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COZZI-GLASER GD, BLANCHARD CT, STANFORD JN, OBEN AG, JAUK VC, SZYCHOWSKI JM, SUBRAMANIAM A, BATTARBEE AN, CASEY BM, Tita AT, Sinkey RG. Outcomes in low-risk patients before and after an institutional policy offering 39-week elective induction of labor. J Matern Fetal Neonatal Med 2024; 37:2295223. [PMID: 38124289 PMCID: PMC10958525 DOI: 10.1080/14767058.2023.2295223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Accepted: 12/11/2023] [Indexed: 12/23/2023]
Abstract
OBJECTIVE Elective induction of labor versus expectant management at 39 weeks gestation in low-risk nulliparous patients was shown in the ARRIVE randomized trial of over 6000 patients to decrease risks of cesarean delivery without significant change in the composite perinatal outcome. We aimed to pragmatically analyze the effect of offering elective induction of labor (eIOL) to all low-risk patients. METHODS Retrospective cohort study of low-risk nulliparous and multiparous patients delivering live, non-anomalous singletons at a single center at greater than or equal to 39 0/7 weeks gestational age. Those with prior or planned cesarean delivery, ruptured membranes, medical comorbidities, or contraindications to vaginal delivery were excluded. Patients were categorized as before (pre-eIOL; 1/2012-3/2014) or after (post-eIOL; 3/2019-12/2021) an institution-wide policy offering eIOL at 39 0/7 weeks. Births occurring April 2014 to December 2018 were allocated to a separate cohort (during-eIOL) given increased exposure to eIOL as our center recruited participants for the ARRIVE trial. The primary outcome was cesarean birth. Secondary outcomes included select maternal (e.g. chorioamnionitis, operative delivery, postpartum hemorrhage) and neonatal morbidities (e.g. birthweight, small- and large-for gestational age, hypoglycemia). Characteristics and outcomes were compared between the pre and during-eIOL, and pre and post-eIOL groups; adjusted OR (95% CI) were calculated using multivariable regression. Subgroup analysis by parity was planned. RESULTS Of 10,758 patients analyzed, 2521 (23.4%) were pre-eIOL, 5410 (50.3%) during-eIOL, and 2827 (26.3%) post-eIOL. Groups differed with respect to labor type, age, race/ethnicity, marital and payor status, and gestational age at care entry. Post-eIOL was associated with lower odds of cesarean compared to pre-eIOL (aOR 0.83 [95% CI 0.72-0.96]), which was even lower among those specifically undergoing labor induction (aOR 0.58 [0.48-0.70]. During-eIOL was also associated with lower odds of cesarean compared to pre-eIOL (aOR 0.79 [0.69-0.90]). Both during and post-eIOL groups were associated with higher odds of chorioamnionitis, operative delivery, and hemorrhage compared to pre-eIOL. However, only among post-eIOL were there fewer neonates weighing ≥4000 g, large-for-gestational age infants, and neonatal hypoglycemia compared to pre-IOL. CONCLUSION An institutional policy offering eIOL at 39 0/7 to low-risk patients was associated with a lower cesarean birth rate, lower birthweights and lower neonatal hypoglycemia, and an increased risk of chorioamnionitis and hemorrhage.
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Affiliation(s)
- Gabriella D COZZI-GLASER
- Center for Women’s Reproductive Health, University of Alabama at Birmingham
- Department of Obstetrics and Gynecology, University of Alabama at Birmingham
| | | | - Jenna N STANFORD
- Center for Women’s Reproductive Health, University of Alabama at Birmingham
- Department of Obstetrics and Gynecology, University of Alabama at Birmingham
| | - Ayamo G OBEN
- Center for Women’s Reproductive Health, University of Alabama at Birmingham
- Department of Obstetrics and Gynecology, University of Alabama at Birmingham
| | - Victoria C JAUK
- Center for Women’s Reproductive Health, University of Alabama at Birmingham
| | - Jeff M SZYCHOWSKI
- Center for Women’s Reproductive Health, University of Alabama at Birmingham
- Department of Biostatistics, University of Alabama at Birmingham
| | - Akila SUBRAMANIAM
- Center for Women’s Reproductive Health, University of Alabama at Birmingham
- Department of Obstetrics and Gynecology, University of Alabama at Birmingham
| | - Ashley N BATTARBEE
- Center for Women’s Reproductive Health, University of Alabama at Birmingham
- Department of Obstetrics and Gynecology, University of Alabama at Birmingham
| | - Brian M CASEY
- Center for Women’s Reproductive Health, University of Alabama at Birmingham
- Department of Obstetrics and Gynecology, University of Alabama at Birmingham
| | - Alan T Tita
- Center for Women’s Reproductive Health, University of Alabama at Birmingham
- Department of Obstetrics and Gynecology, University of Alabama at Birmingham
| | - Rachel G Sinkey
- Center for Women’s Reproductive Health, University of Alabama at Birmingham
- Department of Obstetrics and Gynecology, University of Alabama at Birmingham
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Hamburg-Shields E, Mesiano S. The hormonal control of parturition. Physiol Rev 2024; 104:1121-1145. [PMID: 38329421 DOI: 10.1152/physrev.00019.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Revised: 02/05/2024] [Accepted: 02/06/2024] [Indexed: 02/09/2024] Open
Abstract
Parturition is a complex physiological process that must occur in a reliable manner and at an appropriate gestation stage to ensure a healthy newborn and mother. To this end, hormones that affect the function of the gravid uterus, especially progesterone (P4), 17β-estradiol (E2), oxytocin (OT), and prostaglandins (PGs), play pivotal roles. P4 via the nuclear P4 receptor (PR) promotes uterine quiescence and for most of pregnancy exerts a dominant block to labor. Loss of the P4 block to parturition in association with a gain in prolabor actions of E2 are key transitions in the hormonal cascade leading to parturition. P4 withdrawal can occur through various mechanisms depending on species and physiological context. Parturition in most species involves inflammation within the uterine tissues and especially at the maternal-fetal interface. Local PGs and other inflammatory mediators may initiate parturition by inducing P4 withdrawal. Withdrawal of the P4 block is coordinated with increased E2 actions to enhance uterotonic signals mediated by OT and PGs to promote uterine contractions, cervix softening, and membrane rupture, i.e., labor. This review examines recent advances in research to understand the hormonal control of parturition, with focus on the roles of P4, E2, PGs, OT, inflammatory cytokines, and placental peptide hormones together with evolutionary biology of and implications for clinical management of human parturition.
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Affiliation(s)
- Emily Hamburg-Shields
- Department of Reproductive Biology, Case Western Reserve University, Cleveland, Ohio, United States
- Department of Obstetrics and Gynecology, University Hospitals of Cleveland, Cleveland, Ohio, United States
| | - Sam Mesiano
- Department of Reproductive Biology, Case Western Reserve University, Cleveland, Ohio, United States
- Department of Obstetrics and Gynecology, University Hospitals of Cleveland, Cleveland, Ohio, United States
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Langen I, Langesæter E, Gunnes N, Almaas VM, Haugen G, Estensen M, Sørbye IK. Hypertensive disorders of pregnancy among women with cardiovascular disease in Norway: A historical cohort study. Acta Obstet Gynecol Scand 2024; 103:1457-1465. [PMID: 38597240 PMCID: PMC11168262 DOI: 10.1111/aogs.14841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 03/21/2024] [Accepted: 03/22/2024] [Indexed: 04/11/2024]
Abstract
INTRODUCTION Women with cardiovascular disease may be at increased risk of hypertensive disorders of pregnancy (HDP). We aimed to: (1) Investigate the occurrence of HDP in a cohort of pregnant women with cardiovascular disease and compare it with the occurrence in the general population. (2) Assess the association between maternal cardiovascular risk and risk of HDP. MATERIAL AND METHODS We reviewed clinical data on a cohort of 901 pregnancies among 708 women with cardiovascular disease who were followed at the National Unit for Pregnancy and Heart Disease and gave birth at Oslo University Hospital between 2003 and 2018. The exposure under study was maternal cardiovascular risk, classified as low, moderate, or high based on a modified classification by the World Health Organization. The main outcome of interest was HDP, which included pre-eclampsia and gestational hypertension. The proportion of HDP cases in the general population in the same period was extracted from the Medical Birth Registry of Norway. We used logistic regression to estimate crude and adjusted odds ratios (OR) of HDP, with associated 95% confidence intervals (CIs), for women with moderate- and high cardiovascular risk compared to women with low risk. RESULTS The occurrence of HDP in the study cohort was 12.1% (95% CI: 10.0%-14.4%) and varied between 8.7% (95% CI: 6.5%-11.3%) in the low-risk group, 15.7% (95% CI: 11.1%-21.4%) in the moderate-risk group, and 22.2% (95% CI: 15.1%-30.8%) in the high-risk group. By contrast, the nationwide occurrence of HDP was 5.1% (95% CI: 5.1%-5.2%). In the study cohort, the proportions of pregnancies with gestational hypertension and pre-eclampsia were similar (6.3% and 5.8%, respectively). Compared to pregnancies with low cardiovascular risk, the adjusted OR of HDP was 2.04 (95% CI: 1.21-3.44) in the moderate-risk group and 2.99 (95% CI: 1.73-5.18) in the high-risk group. CONCLUSIONS The occurrence of hypertensive disease of pregnancy in the study cohort was more than doubled compared to the general population in Norway. The risk of HDP increased with maternal cardiovascular risk group. We recommend taking into account maternal cardiovascular risk group when assessing risk and prophylaxis of HDP.
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Affiliation(s)
- Ingrid Langen
- Department of Obstetrics, Division of Obstetrics and GynecologyOslo University HospitalOsloNorway
- Institute of Clinical MedicineUniversity of OsloOsloNorway
| | - Eldrid Langesæter
- Department of Anesthesia and Intensive Care Medicine, Division of Emergencies and Critical CareOslo University HospitalOsloNorway
| | - Nina Gunnes
- Norwegian Research Center for Women's HealthOslo University HospitalOsloNorway
| | - Vibeke Marie Almaas
- Department of Cardiology, Division of Cardiovascular and Pulmonary DiseasesOslo University HospitalOsloNorway
| | - Guttorm Haugen
- Institute of Clinical MedicineUniversity of OsloOsloNorway
- Department of Fetal Medicine, Division of Obstetrics and GynecologyOslo University HospitalOsloNorway
| | - Mette‐Elise Estensen
- Department of Cardiology, Division of Cardiovascular and Pulmonary DiseasesOslo University HospitalOsloNorway
| | - Ingvil Krarup Sørbye
- Department of Obstetrics, Division of Obstetrics and GynecologyOslo University HospitalOsloNorway
- Institute of Clinical MedicineUniversity of OsloOsloNorway
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Song Y, Li S, Hao L, Han Y, Wu W, Fan Y, Gao X, Li X, Ren C, Chen Y. Risk factors of neonatal stroke from different origins: a systematic review and meta-analysis. Eur J Pediatr 2024; 183:3073-3083. [PMID: 38661815 DOI: 10.1007/s00431-024-05531-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Revised: 03/12/2024] [Accepted: 03/17/2024] [Indexed: 04/26/2024]
Abstract
Given the persistent ambiguity regarding the etiology of neonatal stroke across diverse origins, our objective was to conduct a comprehensive evaluation of both qualitative and quantitative risk factors. An exhaustive search of eight databases was executed to amass all pertinent observational studies concerning risk factors for neonatal stroke from various origins. Subsequent to independent screening, data extraction, and bias assessment by two researchers, a meta-analysis was conducted utilizing RevMan and Stata software. Nineteen studies, encompassing a total of 30 factors, were incorporated into this analysis. Beyond established risk factors, our investigation unveiled gestational diabetes (OR, 5.51; P < 0.00001), a history of infertility (OR, 2.44; P < 0.05), placenta previa (OR, 3.92; P = 0.02), postdates (OR, 2.07; P = 0.01), preterm labor (OR, 2.32; P < 0.00001), premature rupture of membranes (OR, 3.02; P = 0.007), a prolonged second stage of labor (OR, 3.94; P < 0.00001), and chorioamnionitis (OR, 4.35; P < 0.00001) as potential risk factors for neonatal cerebral arterial ischemic stroke. Additionally, postdates (OR, 4.31; P = 0.003), preterm labor (OR, 1.60; P < 0.00001), an abnormal CTG tracing (OR, 9.32; P < 0.0001), cesarean section (OR, 4.29; P = 0.0004), male gender (OR, 1.73; P = 0.02), and vaginal delivery (OR, 1.39; P < 0.00001) were associated with an elevated risk for neonatal hemorrhagic stroke. CONCLUSIONS This study provides a succinct overview and comparative analysis of maternal, perinatal, and additional risk factors associated with neonatal cerebral artery ischemic stroke and neonatal hemorrhagic stroke, furnishing critical insights for healthcare practitioners involved in the diagnosis and prevention of neonatal stroke. This research also broadens the conceptual framework for future investigations. WHAT IS KNOWN • Research indicates that prenatal, perinatal, and neonatal risk factors can elevate the risk of neonatal arterial ischemic stroke (NAIS). However, the risk factors for neonatal cerebral arterial ischemic stroke remain contentious, and those for neonatal hemorrhagic stroke (NHS) and neonatal cerebral venous sinus thrombosis (CVST) are still not well-defined. WHAT IS NEW • This study is the inaugural comprehensive review and meta-analysis encompassing 19 studies that explore maternal, perinatal, and various risk factors linked to neonatal stroke of differing etiologies. Notably, our analysis elucidates eight risk factors associated with NAIS: gestational diabetes mellitus, a history of infertility, placenta previa, postdates, preterm birth, premature rupture of membranes, a prolonged second stage of labor, and chorioamnionitis. Furthermore, we identify six risk factors correlated with NHS: postdates, preterm birth, an abnormal CTG, the method of delivery, male gender, and vaginal delivery. Additionally, our systematic review delineates risk factors associated with CVST.
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Affiliation(s)
- Yankun Song
- Department of Pediatrics, First Affifiliated Hospital of Hebei Medical University, Hebei Medical University, Shijiazhuang, 050000, China
| | - Shangbin Li
- Department of Pediatrics, First Affifiliated Hospital of Hebei Medical University, Hebei Medical University, Shijiazhuang, 050000, China
| | - Ling Hao
- Department of Pediatrics, First Affifiliated Hospital of Hebei Medical University, Hebei Medical University, Shijiazhuang, 050000, China
| | - Yiwei Han
- Department of Pediatrics, First Affifiliated Hospital of Hebei Medical University, Hebei Medical University, Shijiazhuang, 050000, China
| | - Wenhui Wu
- Department of Pediatrics, First Affifiliated Hospital of Hebei Medical University, Hebei Medical University, Shijiazhuang, 050000, China
| | - Yuqing Fan
- Department of Pediatrics, First Affifiliated Hospital of Hebei Medical University, Hebei Medical University, Shijiazhuang, 050000, China
| | - Xiong Gao
- Department of Pediatrics, First Affifiliated Hospital of Hebei Medical University, Hebei Medical University, Shijiazhuang, 050000, China
| | - Xueying Li
- Department of Pediatrics, First Affifiliated Hospital of Hebei Medical University, Hebei Medical University, Shijiazhuang, 050000, China
| | - Changjun Ren
- Department of Pediatrics, First Affifiliated Hospital of Hebei Medical University, Hebei Medical University, Shijiazhuang, 050000, China.
| | - Yuan Chen
- Department of Pediatrics, the Second Hospital of Hebei medical university, Hebei Medical University, Shijiazhuang, 050000, China.
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Thomopoulos C, Hitij JB, De Backer T, Gkaliagkousi E, Kreutz R, Lopez-Sublet M, Marketou M, Mihailidou AS, Olszanecka A, Pechère-Bertschi A, Pérez MP, Persu A, Piani F, Socrates T, Stolarz-Skrzypek K, Cífková R. Management of hypertensive disorders in pregnancy: a Position Statement of the European Society of Hypertension Working Group 'Hypertension in Women'. J Hypertens 2024; 42:1109-1132. [PMID: 38690949 DOI: 10.1097/hjh.0000000000003739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/03/2024]
Abstract
Hypertensive disorders in pregnancy (HDP), remain the leading cause of adverse maternal, fetal, and neonatal outcomes. Epidemiological factors, comorbidities, assisted reproduction techniques, placental disorders, and genetic predisposition determine the burden of the disease. The pathophysiological substrate and the clinical presentation of HDP are multifarious. The latter and the lack of well designed clinical trials in the field explain the absence of consensus on disease management among relevant international societies. Thus, the usual clinical management of HDP is largely empirical. The current position statement of the Working Group 'Hypertension in Women' of the European Society of Hypertension (ESH) aims to employ the current evidence for the management of HDP, discuss the recommendations made in the 2023 ESH guidelines for the management of hypertension, and shed light on controversial issues in the field to stimulate future research.
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Affiliation(s)
- Costas Thomopoulos
- Department of Cardiology, General Hospital of Athens 'Laiko', Athens, Greece
| | - Jana Brguljan Hitij
- Department of Hypertension, University Medical Centre Ljubljana, Medical University Ljubljana, Slovenia
| | - Tine De Backer
- Cardiovascular Center & Clinical Pharmacology, University Hospital Gent, Belgium
| | - Eugenia Gkaliagkousi
- 3rd Department of Internal Medicine, Papageorgiou Hospital Faculty of Medicine, Aristotle University of Thessaloniki, Greece
| | - Reinhold Kreutz
- Charite-Universitätsmedizin Berlin, Institute of Clinical Pharmacology and Toxicology, Berlin, Germany
| | - Marilucy Lopez-Sublet
- AP-HP, Hopital Avicenne, Centre d'Excellence Europeen en Hypertension Arterielle, Service de Medecine Interne, INSERM UMR 942 MASCOT, Paris 13-Universite Paris Nord, Bobigny, FCRIN INI-CRCT (Cardiovascular and Renal Clinical Trialists)
| | - Maria Marketou
- School of Medicine, University of Crete, Heraklion, Greece
| | - Anastasia S Mihailidou
- Department of Cardiology and Kolling Institute, Royal North Shore Hospital, St Leonards
- Faculty of Medicine and Health Sciences, Macquarie University, Sydney, New South Wales, Australia
| | - Agnieszka Olszanecka
- 1st Department of Cardiology, Interventional Electrocardiology, and Hypertension, Jagiellonian University Medical College, Krakow, Poland
| | | | - Mariana Paula Pérez
- Department of Hypertension. Hospital de Agudos J. M. Ramos Mejía, Buenos Aires, Argentina
| | - Alexandre Persu
- Division of Cardiology, Cliniques Universitaires Saint-Luc and Pole of Cardiovascular Research, Institut de Recherche Expérimentale et Clinique, Université Catholique de Louvain, Brussels, Belgium
| | - Federica Piani
- Hypertension and Cardiovascular Risk Research Center, Medical and Surgical Sciences Department, Alma Mater Studiorum University of Bologna, Bologna, Italy
| | - Thenral Socrates
- Medical Outpatient and Hypertension Clinic, ESH Hypertension Centre of Excellence University Hospital Basel, Basel, Switzerland
| | - Katarzyna Stolarz-Skrzypek
- 1st Department of Cardiology, Interventional Electrocardiology, and Hypertension, Jagiellonian University Medical College, Krakow, Poland
| | - Renata Cífková
- Center for Cardiovascular Prevention, Charles University in Prague, First Faculty of Medicine and Thomayer University Hospital
- Department of Medicine II, Charles University in Prague, First Faculty of Medicine, Prague, Czech Republic
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Diab YH, Diab M, Horgan R, Berry M, Saad A, Slagle HBG, Saade G, Kawakita T. Early vs. delayed amniotomy in individuals undergoing pre-induction cervical ripening with transcervical Foley balloon: A meta-analysis. Am J Obstet Gynecol MFM 2024:101408. [PMID: 38897352 DOI: 10.1016/j.ajogmf.2024.101408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2024] [Accepted: 05/14/2024] [Indexed: 06/21/2024]
Abstract
OBJECTIVES To systematically review randomized controlled trials (RCTs) and perform a meta-analysis comparing early amniotomy with delayed amniotomy in individuals undergoing pre-induction cervical ripening by Foley balloon. The primary outcome was the rate of cesarean delivery. Understanding the impact of the timing of amniotomy on the rate of cesarean delivery is crucial for obstetricians and healthcare providers when making decisions about the management of labor induction. DATA SOURCES Data were sourced from electronic databases, including PubMed, OVID, Cochrane Library, Web of Science, and ClinicalTrials.gov through February 2024. The review adhered to Preferred Reporting Item for Systematic Reviews guidelines and registered with PROSPERO (ID CRD42023454520). STUDY ELIGIBILITY CRITERIA Inclusion criteria comprised RCTs comparing early amniotomy with delayed amniotomy in individuals undergoing cervical ripening by Foley balloon. Early amniotomy was defined as amniotomy soon after cervical ripening. Delayed amniotomy was defined as withholding amniotomy until after the onset of the active phase of labor, until at least 4 hours from either initiation of oxytocin or Foley balloon removal/expulsion, or until achieving > 4 cm of dilation. Participants included nulliparous or multiparous individuals with singleton pregnancies undergoing labor induction at 37 weeks or later. STUDY APPRAISAL AND SYNTHESIS A systematic literature search was conducted using defined search terms including "early amniotomy", "delayed amniotomy", "induction of labor", "cervical ripening", and "Foley balloon", and "Foley catheter." The quality of the included trials was assessed using the Cochrane Risk of Bias Tool for randomized controlled trials. The primary outcome was cesarean delivery. Secondary outcomes included outcomes related to labor duration and neonatal outcomes. Pooled relative risks (RR) and weighted mean differences (WMD) with 95% confidence intervals were calculated. RESULTS Five trials involving 849 participants undergoing induction and cervical ripening by Foley balloon were included. The rate of cesarean delivery did not differ between individuals randomly assigned to the early amniotomy group compared with those assigned to the delayed amniotomy group (22.9% vs 23.3%; RR 1.00; 95%CI, 0.65-1.55). Early amniotomy compared to delayed amniotomy was associated with a higher proportion of delivery within 24 hours (79.9% vs. 67.1%; RR 1.19; 95%CI 1.04-1.36). Early amniotomy compared with delayed amniotomy was associated with a shorter interval from oxytocin to delivery (WMD -1.5 hours; 95%CI -2.1- -0.8), from Foley expulsion to vaginal delivery (WMD -2.5 hours; 95%CI -4.8- -0.1), and from the start of oxytocin to vaginal delivery (WMD -1.8 hours; 95%CI -3.2- -0.4). Other outcomes were not significantly different. CONCLUSION Early amniotomy following cervical ripening by Foley balloon in individuals with singleton pregnancies did not impact rates of cesarean delivery compared with delayed amniotomy but led to shorter duration for various labor progress outcomes.
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Affiliation(s)
- Yara Hage Diab
- Department of Obstetrics and Gynecology, Eastern Virginia Medical School, Norfolk, VA, United States
| | - Maya Diab
- Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, MI, United States
| | - Rebecca Horgan
- Department of Obstetrics and Gynecology, Eastern Virginia Medical School, Norfolk, VA, United States
| | - Marissa Berry
- Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, TX, United States
| | - Antonio Saad
- Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, TX, United States
| | - Helen B Gomez Slagle
- Department of Obstetrics and Gynecology, Columbia University, New York, NY, United States
| | - George Saade
- Department of Obstetrics and Gynecology, Eastern Virginia Medical School, Norfolk, VA, United States
| | - Tetsuya Kawakita
- Department of Obstetrics and Gynecology, Eastern Virginia Medical School, Norfolk, VA, United States.
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Fineberg AE, Harley K, Lahiff M, Main EK. The relative impact of labor induction versus improved labor management: Before and after the ARRIVE (a randomized trial of induction vs. expectant management) trial. Birth 2024. [PMID: 38877812 DOI: 10.1111/birt.12845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 03/06/2024] [Accepted: 05/02/2024] [Indexed: 06/16/2024]
Abstract
OBJECTIVE To evaluate the association of labor induction on cesarean delivery and other maternal and neonatal outcomes in low-risk, full-term patients in community hospitals during a period of concerted effort to safely prevent cesarean delivery. METHODS We performed a retrospective cohort study using the California Maternal Data Center comprised linked discharge diagnoses and birth certificate data for all low-risk, nulliparous, term, singleton, vertex (NTSV) individuals between 39 and 41 weeks from three Sacramento Valley community hospitals from 2016 to 2022 (N = 10,821) during a period of state-wide efforts to safely reduce cesarean rates. Logistic regression was used to calculate odds ratios (ORs) and adjusted odds ratios (aORs) after labor induction in two time periods before and after the ARRIVE trial. RESULTS During the study period, labor induction increased from 14.7% to 23.1%. Controlling for maternal age, pre-pregnancy BMI, birthweight, maternal race and ethnicity, birthplace, English language, gestational age, Medicaid status, delivery year, and labor induction was associated with an increased aOR of 1.67 (95% CI 1.48-1.89) for cesarean delivery. We found a trend toward increased aOR of chorioamnionitis but no differences in blood transfusion, severe maternal morbidity, unexpected newborn complications, chorioamnionitis, operative vaginal delivery, maternal lacerations, and shoulder dystocia with labor induction. A decrease aOR of cesarean delivery was observed comparing all births in 2019-2021 to 2016-2018. CONCLUSION Labor induction was associated with an increased aOR for cesarean delivery both before and after the ARRIVE trial. A decreased aOR for cesarean delivery was observed during the period of statewide efforts to safely reduce cesarean delivery both with and without labor induction.
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Affiliation(s)
- Annette E Fineberg
- Sutter Medical Group, Sacramento, California, USA
- School of Public Health, University of California Berkeley, Berkeley, California, USA
| | - Kim Harley
- Maternal Child and Adolescent Health School of Public Health, University of California, Berkeley, California, USA
| | - Maureen Lahiff
- School of Public Health, University of California Berkeley, Berkeley, California, USA
| | - Elliott K Main
- California Maternal Quality Care Collaborative, Palo Alto, California, USA
- Clinical Professor of Obstetrics and Gynecology, Stanford University School of Medicine, Palo Alto, California, USA
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Sigdel M, Burd J, Walker KF, Wennerholm DUB, Berghella V. Severe Perineal Lacerations in Induction of Labor versus Expectant management: a systematic review and meta-analysis of randomized controlled trials. Am J Obstet Gynecol MFM 2024:101407. [PMID: 38880238 DOI: 10.1016/j.ajogmf.2024.101407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Revised: 04/22/2024] [Accepted: 05/12/2024] [Indexed: 06/18/2024]
Abstract
OBJECTIVE This study aimed to evaluate if induction of labor is associated with an increased risk of severe perineal laceration. DATA SOURCES A systematic search was conducted in MEDLINE, Ovid, Scopus, ClinicalTrials.gov, Cochrane Central Register of Controlled Trials, and CINHAL using a combination of keywords and text words related to "induction of labor," "severe perineal laceration," "third-degree laceration," "fourth-degree laceration," and "OASIS" from inception of each database until January 2023. STUDY ELIGIBILITY CRITERIA We included all randomized controlled trials comparing induction of labor to expectant management of a singleton, cephalic pregnancy at term gestation that reported rates of severe perineal laceration. STUDY APPRAISAL AND SYNTHESIS AND METHODS The primary outcome of interest was severe perineal laceration, defined as third or fourth-degree perineal lacerations. We conducted meta-analyses using the random effects model of DerSimonian and Laird to determine the relative risks or mean differences with 95% confidence intervals. Bias was assessed using guidelines established by Cochrane Handbook for Systematic Reviews of Interventions. RESULTS A total of 11,187 unique records were screened and ultimately eight randomized controlled trials were included, involving 13,297 patients. There was no statistically significant difference in the incidence of severe perineal lacerations between the induction of labor and expectant management groups (209/6655 (3.1%) vs. 202/6641 (3.0%); relative risk (RR) 1.03, 95% confidence interval (CI) 0.85, 1.26). There was a statistically significant decrease in the rate of cesarean birth (1090/6655 (16.4%) vs. 1230/6641 (18.5%), RR 0.89, 95% CI 0.82, 0.95) and fetal macrosomia (734/2696 (27.2%) vs. 964/2703 (35.7%); RR 0.67: 95% CI 0.50, 0.90) in the induction of labor group. CONCLUSION There is no significant difference in the risk of severe perineal lacerations between induction of labor and expectant management in this meta-analysis of randomized controlled trials. Furthermore, there is a lower rate of cesarean births in the induction of labor group, indicating more successful vaginal deliveries with similar rates of severe perineal lacerations. Patients should be counseled that in addition to the known benefits of induction, there is no increased risk of severe perineal lacerations.
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Affiliation(s)
- Manisha Sigdel
- Department of Obstetrics and Gynecology, Division of Maternal-Fetal Medicine, University of Pittsburg Medical Center, Harrisburg, PA, USA
| | - Julia Burd
- Department of Obstetrics and Gynecology, Division of Maternal-Fetal Medicine, Washington University in St. Louis, St Louis, MO, USA
| | - Kate F Walker
- Centre for Perinatal Research, University of Nottingham, Nottingham, UK
| | - Dr Ulla-Britt Wennerholm
- Department of Obstetrics and Gynaecology, Institute of Clinical Sciences, Sahlgrenska Academy, Gothenburg University, Sahlgrenska University Hospital, Stockholm, Sweden
| | - Vincenzo Berghella
- Department of Obstetrics and Gynecology, Division of Maternal-Fetal Medicine, Thomas Jefferson University Hospital, Philadelphia, PA, USA.
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9
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Geron Y, Rozner Negrin N, Matot R, Hendin N, Danieli-Gruber S, Shmueli A, Hadar E. Uncertain prelabor rupture of membranes at term and associated delivery outcomes. Int J Gynaecol Obstet 2024. [PMID: 38873729 DOI: 10.1002/ijgo.15735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Revised: 05/10/2024] [Accepted: 06/01/2024] [Indexed: 06/15/2024]
Abstract
OBJECTIVE To determine whether equivocal prelabor rupture of membranes (PROM) cases are associated with adverse outcomes. METHODS A retrospective study was conducted in a tertiary medical center between July 2012 and March 2022. The cohort comprised all women diagnosed with term PROM (≥37 gestational weeks), divided into two groups. (1) Certain PROM-suggestive history of a watery vaginal discharge confirmed by visualization of fluid leaking from the cervix or pooling in the vagina on speculum examination. (2) Uncertain PROM-suggestive history of a watery vaginal discharge not supported by speculum examination. All patients were hospitalized and gave birth spontaneously or following either expectant management for up to 24 h from PROM or induction. The primary outcome measure was cesarean delivery (CD) rate. Secondary outcome measures were adverse maternal/neonatal events. RESULTS Of the 2012 women included in the study, 1750 had certain PROM and 262 uncertain PROM. CD rate was 5.8% in the certain PROM group and 8.8% in the uncertain PROM group; the difference was not statistically significant (P = 0.074). There was a significant between-group difference in the rate of CD due to failed induction on univariate analysis (0.69% vs 2.67%, respectively, P = 0.007), but it was not maintained on multivariate logistic regression (odds ratio 0.37, 95% confidence interval: 0.12-1.17). Other maternal and neonatal outcomes were similar in the two groups. CONCLUSION Our findings indicate that following the same management guidelines for equivocal cases of ruptured membranes as for confirmed cases of term PROM did not compromise maternal or fetal outcomes.
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Affiliation(s)
- Yossi Geron
- Helen Schneider Hospital for Women, Rabin Medical Center - Beilinson Hospital, Petach Tikva, Israel
- Faculty of Medical and Health Sciences, Tel Aviv University, Tel Aviv, Israel
| | - Noam Rozner Negrin
- Faculty of Medical and Health Sciences, Tel Aviv University, Tel Aviv, Israel
| | - Ran Matot
- Helen Schneider Hospital for Women, Rabin Medical Center - Beilinson Hospital, Petach Tikva, Israel
- Faculty of Medical and Health Sciences, Tel Aviv University, Tel Aviv, Israel
| | - Natav Hendin
- Helen Schneider Hospital for Women, Rabin Medical Center - Beilinson Hospital, Petach Tikva, Israel
- Faculty of Medical and Health Sciences, Tel Aviv University, Tel Aviv, Israel
| | - Shir Danieli-Gruber
- Helen Schneider Hospital for Women, Rabin Medical Center - Beilinson Hospital, Petach Tikva, Israel
- Faculty of Medical and Health Sciences, Tel Aviv University, Tel Aviv, Israel
| | - Anat Shmueli
- Helen Schneider Hospital for Women, Rabin Medical Center - Beilinson Hospital, Petach Tikva, Israel
- Faculty of Medical and Health Sciences, Tel Aviv University, Tel Aviv, Israel
| | - Eran Hadar
- Helen Schneider Hospital for Women, Rabin Medical Center - Beilinson Hospital, Petach Tikva, Israel
- Faculty of Medical and Health Sciences, Tel Aviv University, Tel Aviv, Israel
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10
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Simpson KR. Rates of Induction of Labor in the United States over the Last Decade, 2013 to 2022. MCN Am J Matern Child Nurs 2024:00005721-990000000-00054. [PMID: 38864878 DOI: 10.1097/nmc.0000000000001027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2024]
Affiliation(s)
- Kathleen Rice Simpson
- Kathleen Rice Simpson is Perinatal Clinical Nurse Specialist, Saint Louis, MO, and Editor-in-Chief, MCN . Dr. Simpson can be reached at
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11
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Kanjanakaew A, Song M, Driessnack M, Erickson EN. Examining Cesarean Among Individuals of Advanced Maternal Age in Nurse-Midwifery Care. J Midwifery Womens Health 2024. [PMID: 38856042 DOI: 10.1111/jmwh.13656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Revised: 03/01/2024] [Indexed: 06/11/2024]
Abstract
INTRODUCTION Cesarean rates are rising, especially for individuals of advanced maternal age (AMA), defined as aged 35 or older. The Robson 10-Group Classification System (TGCS) facilitates assessment and comparison of cesarean rates among individuals in different settings. In midwifery-led care, in which pregnant people are typically healthier and seek a vaginal birth, it is unknown whether individuals of AMA have different antecedents leading to cesarean compared with younger counterparts. This study aimed to examine antecedents contributing to cesarean using Robson TGCS for individuals across age groups in midwifery care. METHODS This study was a secondary analysis of 2 cohort data sets from Oregon Health & Science University (OHSU) and University of Michigan Health Systems (UMHS) hospitals. The samples were individuals in midwifery-led care birthing at either OHSU from 2012 to 2019 or UMHS from 2007 to 2019. RESULTS A total of 11,951 individuals were studied. Overall cesarean rates were low; however, the rate for individuals of AMA was higher than the rate of their younger counterparts (18.30% vs 15.10%). The Robson groups were similar; however, the primary contributor among AMA individuals was group 5 (multiparous with previous cesarean), followed by group 2 [nulliparous with labor induced or prelabor cesarean], and group 1 [nulliparous with spontaneous labor]. In contrast, the primary contributors for younger individuals were groups 1, 2, and 5, respectively. In addition, prelabor cesarean and induced labor partly mediated the relationship between AMA and cesarean among nulliparous individuals, whereas prelabor cesarean was the key contributor to cesarean among multiparous people. DISCUSSION The cesarean rate in midwifery-led care was low. Using Robson TGCS provided additional insight into the antecedents to cesarean, rather than viewing cesarean as a single outcome. Future studies should continue to use Robson TGCS and investigate antecedents to cesarean, including factors influencing successful vaginal birth after cesarean in individuals of AMA.
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Affiliation(s)
- Antita Kanjanakaew
- Department of Obstetric and Gynaecological Nursing, Faculty of Nursing, Mahidol University, Bangkok, Thailand
| | - MinKyoung Song
- School of Nursing, Oregon Health & Science University, Portland, Oregon
| | - Martha Driessnack
- School of Nursing, Oregon Health & Science University, Portland, Oregon
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12
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Atwani R, Saade G, Huang JC, Kawakita T. Impact of the ARRIVE Trial in Nulliparous Individuals with Morbid Obesity: Interrupted Time Series Analysis. Am J Perinatol 2024. [PMID: 38857621 DOI: 10.1055/s-0044-1787542] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/12/2024]
Abstract
OBJECTIVE We aimed to examine rates of induction of labor at 39 weeks and cesarean delivery before and after the ARRIVE (A Randomized Trial of Induction Versus Expectant Management) trial stratified by body mass index (BMI; kg/m2) category. STUDY DESIGN This was a repeated cross-sectional analysis of publicly available U.S. birth certificate data from 2015 to 2021. We limited analyses to nulliparous individuals with a singleton pregnancy, cephalic presentation, without chronic hypertension, diabetes (gestational or pregestational), and fetal anomaly who delivered between 39 and 42 weeks' gestation. The pre-ARRIVE period spanned from August 2016 to July 2018 and the post-ARRIVE period spanned from January 2019 to December 2020. The dissemination period of the ARRIVE trial was from August 2018 to December 2018. Our co-primary outcomes were induction at 39 weeks and cesarean delivery. Our secondary outcomes were overall induction of labor and preeclampsia. We conducted an interrupted time series analysis after stratifying by prepregnancy BMI (<40 or ≥40). Negative binomial regression was used to calculate adjusted incident rate ratios with 95% confidence intervals. RESULTS Of 2,122,267 individuals that were included, 2,051,050 had BMI <40 and 71,217 had BMI ≥40. In individuals with BMI <40, the post-ARRIVE period compared to the pre-ARRIVE period was associated with an increased rate of induction of labor at 39 weeks, a decreased rate of cesarean delivery, and an increased rate of overall induction of labor. In individuals with BMI ≥40, the post-ARRIVE period compared to the pre-ARRIVE period was associated with an increased rate of induction of labor at 39 weeks, an increased rate of overall induction of labor and a decreased rate of preeclampsia; however, the decrease in the rate of cesarean delivery was not significant. CONCLUSION An increase in induction of labor at 39 weeks' gestation in individuals with BMI ≥40 was not associated with a decrease in the cesarean delivery rate. KEY POINTS · The ARRIVE trial increased 39-week labor inductions in BMI <40 and ≥40.. · BMI <40 had fewer cesareans; BMI ≥40 showed no significant decrease.. · Offering labor induction is reasonable as cesarean rates didn't increase..
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Affiliation(s)
- Rula Atwani
- Department of Obstetrics and Gynecology, Eastern Virginia Medical School, Norfolk, Virginia
| | - George Saade
- Department of Obstetrics and Gynecology, Eastern Virginia Medical School, Norfolk, Virginia
| | - Jim C Huang
- Department of Business Management, National Sun Yat-Sen University, Kaohsiung, Taiwan
| | - Tetsuya Kawakita
- Department of Obstetrics and Gynecology, Eastern Virginia Medical School, Norfolk, Virginia
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13
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Bleicher I, Dashkovsky-Feldgorn M, Sagi S, Gutzeit O, Blumen L, Farago N, Khatib N, Zipori Y, Vitner D. Delivery mode after cervical ripening among patients with no prior vaginal births. J Gynecol Obstet Hum Reprod 2024; 53:102810. [PMID: 38849116 DOI: 10.1016/j.jogoh.2024.102810] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2024] [Revised: 06/01/2024] [Accepted: 06/04/2024] [Indexed: 06/09/2024]
Abstract
PURPOSE To compare mode of delivery and maternal and neonatal outcomes using cervical ripening balloon (CRB) for induction of labor (IOL) in nulliparous patients vs. those undergoing first trial of labor after cesarean (TOLAC). METHODS Retrospective cohort study including data from two tertiary medical centers. Included were all patients with a singleton pregnancy and a gestational age > 37+0 weeks and no prior vaginal birth undergoing IOL with CRB. Nulliparous patients (nulliparous group) were compared to patients with one prior cesarean delivery (CD) and no prior vaginal delivery (TOLAC group). Patients who withdrew consent for trial of labor at any time in both groups were excluded. The primary outcome was mode of delivery. RESULTS Overall, 161 patients were included in the TOLAC group and 1577 in the nulliparous group. The rate of CD was similar in both groups and remained similar after adjusting for confounders (29.8 % vs. 28.9 %, p = 0.86, OR 1.1, 95 %, CI 0.76-1.58). CD due to fetal distress was more common in the TOLAC group (75 % vs. 56 %, p = 0.014). Other maternal outcomes and neonatal outcomes were similar in the two groups. CONCLUSION Comparable vaginal delivery rates may be achieved in patients with or without a previous CD attempting their first trial of labor, with a cervical ripening balloon for labor induction, without increasing adverse maternal or neonatal outcomes.
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Affiliation(s)
- Inna Bleicher
- Department of Obstetrics and Gynecology, Bnai-Zion Medical Center, Haifa, Israel; Faculty of Medicine, Technion Israel Institute of Technology, Haifa, Israel.
| | - Marianna Dashkovsky-Feldgorn
- Department of Obstetrics and Gynecology, Bnai-Zion Medical Center, Haifa, Israel; Faculty of Medicine, Technion Israel Institute of Technology, Haifa, Israel
| | - Shlomi Sagi
- Department of Obstetrics and Gynecology, Bnai-Zion Medical Center, Haifa, Israel; Faculty of Medicine, Technion Israel Institute of Technology, Haifa, Israel
| | - Ola Gutzeit
- Department of Obstetrics and Gynecology, Rambam Health Care Center, Haifa, Israel; Faculty of Medicine, Technion Israel Institute of Technology, Haifa, Israel
| | - Lihi Blumen
- Department of Obstetrics and Gynecology, Rambam Health Care Center, Haifa, Israel
| | - Naama Farago
- Department of Obstetrics and Gynecology, Rambam Health Care Center, Haifa, Israel; Faculty of Medicine, Technion Israel Institute of Technology, Haifa, Israel
| | - Nizar Khatib
- Department of Obstetrics and Gynecology, Rambam Health Care Center, Haifa, Israel; Faculty of Medicine, Technion Israel Institute of Technology, Haifa, Israel
| | - Yaniv Zipori
- Department of Obstetrics and Gynecology, Rambam Health Care Center, Haifa, Israel; Faculty of Medicine, Technion Israel Institute of Technology, Haifa, Israel
| | - Dana Vitner
- Department of Obstetrics and Gynecology, Rambam Health Care Center, Haifa, Israel; Faculty of Medicine, Technion Israel Institute of Technology, Haifa, Israel
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14
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Hall L, Hsu C, Slocum C, Lowry J. A physiatrist's role in managing unique challenges in pregnancy and delivery in a patient with incomplete lumbar SCI: a case report. Spinal Cord Ser Cases 2024; 10:40. [PMID: 38834538 PMCID: PMC11150403 DOI: 10.1038/s41394-024-00652-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 04/19/2024] [Accepted: 05/17/2024] [Indexed: 06/06/2024] Open
Abstract
INTRODUCTION Women of childbearing age make up around 5-10% of individuals with spinal cord injury (SCI) and may face unique medical and functional complications during pregnancy, including prolonged hospitalization and increased risk of early rehospitalization due to falls. CASE PRESENTATION Here, we discuss a case of a young ambulatory woman with a lumbar motor incomplete spinal cord injury who underwent successful delivery via cesarean section and the role of the physiatrist in the management of the patient's antepartum, intrapartum, and postpartum complications. The patient faced significant antepartum challenges secondary to her neurogenic bladder and pelvic floor weakness, resulting in increased use of her manual wheelchair. The physiatry team assisted with the co-development of a multidisciplinary bladder plan for increased urinary frequency and urinary tract infection prevention with the patient's obstetrics physician (OB). In addition, the physiatry team assisted with the procurement of a new wheelchair suited for the patient's pregnancy and childcare needs in anticipation of decreased mobility during this time. Regarding intrapartum challenges, the physiatry team worked with the patient and her OB to develop a safe birth plan considering the method of delivery, epidural usage, and the need for pelvic floor therapy before and after childbirth. DISCUSSION The patient had a successful cesarean section delivery, with return to independent mobility soon after childbirth. In summary, this case demonstrates that there is a need for a multidisciplinary approach to patients with SCI during pregnancy and that the role of physiatry is critical to optimizing medical and functional outcomes.
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Affiliation(s)
- Lauren Hall
- Spaulding Rehabilitation Hospital, Boston, MA, USA.
- Department of Physical Medicine and Rehabilitation, Harvard Medical School, Boston, MA, USA.
| | - Connie Hsu
- Spaulding Rehabilitation Hospital, Boston, MA, USA
- Department of Physical Medicine and Rehabilitation, Harvard Medical School, Boston, MA, USA
| | - Chloe Slocum
- Spaulding Rehabilitation Hospital, Boston, MA, USA
- Department of Physical Medicine and Rehabilitation, Harvard Medical School, Boston, MA, USA
| | - John Lowry
- Spaulding Rehabilitation Hospital, Boston, MA, USA
- Department of Physical Medicine and Rehabilitation, Harvard Medical School, Boston, MA, USA
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15
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Huang F, Chen H, Wu X, Li J, Guo J, Zhang X, Qiao Y. A model to predict delivery time following induction of labor at term with a dinoprostone vaginal insert: a retrospective study. Ir J Med Sci 2024; 193:1343-1350. [PMID: 37947994 PMCID: PMC11128390 DOI: 10.1007/s11845-023-03568-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Accepted: 11/01/2023] [Indexed: 11/12/2023]
Abstract
BACKGROUND Dinoprostone vaginal insert is the most common pharmacological method for induction of labor (IOL); however, studies on assessing the time to vaginal delivery (DT) following dinoprostone administration are limited. AIMS We sought to identify the primary factors influencing DT in women from central China, at or beyond term, who underwent IOL with dinoprostone vaginal inserts. METHODS In this retrospective observational study, we analyzed the data of 1562 women at 37 weeks 0 days to 41 weeks 6 days of gestation who underwent dinoprostone-induced labor between January 1st, 2019, and December 31st, 2021. The outcomes of interest were vaginal or cesarean delivery and factors influencing DT, including maternal complications and neonatal characteristics. RESULTS Among the enrolled women, 71% (1109/1562) delivered vaginally, with median DT of 740.50 min (interquartile range 443.25 to 1264.50 min). Of the remaining 29% (453/1562), who delivered by cesarean section, 11.9% (54/453) were multiparous. Multiple linear regression analysis showed that multiparity, advanced maternal age, fetal macrosomia, premature rupture of membranes (PROM), and daytime insertion of dinoprostone were the factors that significantly influenced DT. Time to vaginal delivery increased with advanced maternal age and fetal macrosomia and decreased with multiparity, PROM, and daytime insertion of dinoprostone. A mathematical model was developed to integrate these factors for predicting DT: Y = 804.478 - 125.284 × multiparity + 765.637 × advanced maternal age + 411.511 × fetal macrosomia-593.358 × daytime insertion of dinoprostone - 125.284 × PROM. CONCLUSIONS Our findings may help obstetricians estimate the DT before placing a dinoprostone insert, which may improve patient management in busy maternity wards and minimize potential risks.
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Affiliation(s)
- Fenghua Huang
- Department of Gynecology and Obstetrics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, Hubei, China
| | - Huijun Chen
- Department of Gynecology and Obstetrics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, Hubei, China
| | - Xuechun Wu
- Department of Gynecology and Obstetrics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, Hubei, China
| | - Jiafu Li
- Department of Gynecology and Obstetrics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, Hubei, China
| | - Juanjuan Guo
- Department of Gynecology and Obstetrics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, Hubei, China
| | - Xiaoqin Zhang
- Department of Gynecology and Obstetrics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, Hubei, China
| | - Yuan Qiao
- Department of Gynecology and Obstetrics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, Hubei, China.
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16
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Grobman WA. The ARRIVE Trial. Clin Obstet Gynecol 2024; 67:374-380. [PMID: 38032824 DOI: 10.1097/grf.0000000000000844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2023]
Abstract
Timing of delivery such that maternal and perinatal outcomes are optimized is among the most important and commonplace decisions in obstetric care. Given the importance of this determination, it is somewhat surprising that there has been, until relatively recently, little in the way of high-quality evidence to guide obstetric clinicians in this decision. This chapter describes the evolution of studies examining the effects of labor induction and the importance of the ARRIVE trial in that context.
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Affiliation(s)
- William A Grobman
- Department of Obstetrics and Gynecology, The Ohio State University, Columbus, Ohio
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17
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Zamstein O, Wainstock T, Sheiner E. Respiratory morbidity among offspring misclassified as growth restricted. Pediatr Pulmonol 2024; 59:1645-1651. [PMID: 38477629 DOI: 10.1002/ppul.26964] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Revised: 01/16/2024] [Accepted: 03/06/2024] [Indexed: 03/14/2024]
Abstract
OBJECTIVE An ultrasound-based diagnosis implies that some fetuses suspected to be growth-restricted (FGR) are discovered at birth to be appropriately grown (appropriate for gestational age [AGA] birth weight, between the 10th and 90th percentile). These fetuses may thus be exposed to unnecessary medical interventions, including early labor induction. In this study, we have evaluated the long-term respiratory health of offspring misclassified as FGR. STUDY DESIGN A population-based cohort analysis was conducted, including deliveries of AGA singletons between 1991 and 2021 at a tertiary referral hospital. Incidence of morbidity due to various respiratory conditions was compared between AGA offspring with prenatal diagnosis of FGR, and those without a false diagnosis of FGR. The Kaplan-Meier approach was used to estimate cumulative morbidity incidence. The stratified Cox proportional-hazards model was used to control for confounders. RESULTS A total of 324,620 deliveries of AGA newborns were included in the analyses; 3249 of them (1.0%) were misclassified prenatally as FGR. The FGR subgroup delivered at an earlier gestational age (36.7 vs. 39.1 weeks, p < .001) and had more than 25% higher incidence of respiratory-related morbidity during childhood (33.2% vs. 26.5%), specifically related to asthma and obstructive sleep apnea (p < .001 for all). A higher cumulative morbidity rate due to respiratory conditions was observed in the Kaplan-Meier survival curve (log-rank p value < .001). This association between FGR and respiratory morbidity was independent of preterm delivery, maternal age, cesarean delivery, and child's birth year (adjusted hazard ratio = 1.14, 95% confidence interval: 1.07-1.21, p < .001), using a Cox proportional hazards model. CONCLUSION AGA newborns misclassified as FGR, are at an increased risk for long-term respiratory morbidity during childhood and adolescence.
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Affiliation(s)
- Omri Zamstein
- Obstetrics and Gynecology Division, Soroka University Medical Center, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Tamar Wainstock
- Department of Public Health, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Eyal Sheiner
- Obstetrics and Gynecology Division, Soroka University Medical Center, Ben-Gurion University of the Negev, Beer-Sheva, Israel
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18
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Badr DA, Carlin A, Boulvain M, Kadji C, Cannie MM, Jani JC, Gucciardo L. A simulation study to assess the potential benefits of MRI-based fetal weight estimation as a second-line test for suspected macrosomia. Eur J Obstet Gynecol Reprod Biol 2024; 297:126-131. [PMID: 38615575 DOI: 10.1016/j.ejogrb.2024.04.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2024] [Revised: 04/02/2024] [Accepted: 04/08/2024] [Indexed: 04/16/2024]
Abstract
OBJECTIVE To simulate the outcomes of Boulvain's trial by using magnetic resonance imaging (MRI) for estimated fetal weight (EFW) as a second-line confirmatory imaging. STUDY DESIGN Data derived from the Boulvain's trial and the study PREMACRO (PREdict MACROsomia) were used to simulate a 1000-patient trial. Boulvain's trial compared induction of labor (IOL) to expectant management in suspected macrosomia, whereas PREMACRO study compared the performance of ultrasound-EFW (US-EFW) and MRI-EFW in the prediction of birthweight. The primary outcome was the incidence of significant shoulder dystocia (SD). Cesarean delivery (CD), hyperbilirubinemia (HB), and IOL at < 39 weeks of gestation (WG) were selected as secondary outcomes. A subgroup analysis of the Boulvain's trial was performed to estimate the incidence of the primary and secondary outcomes in the true positive and false positive groups for the two study arms. Sensitivity, specificity, positive and negative predictive values (PPV, NPV) for the prediction of macrosomia by MRI-EFW at 36 WG were calculated, and a decision tree was constructed for each outcome. RESULTS The PPV of US-EFW for the prediction of macrosomia in the PREMACRO trial was 56.3 %. MRI-EFW was superior to US-EFW as a predictive tool resulting in lower rates of induction for false-positive cases. Repeating Boulvain's trial using MRI-EFW as a second-line test would result in similar rates of SD (relative risk [RR]:0.36), CD (RR:0.84), and neonatal HB (RR:2.6), as in the original trial. Increasing the sensitivity and specificity of MRI-EFW resulted in a similar relative risk for SD as in Boulvain's trial, but with reduced rates of IOL < 39 WG, and improved the RR of CD in favor of IOL. We found an inverse relationship between IOL rate and incidence of SD for both US-EFW and MRI-EFW, although overall rates of IOL, CD, and neonatal HB would be lower with MRI-derived estimates of fetal weight. CONCLUSION The superior accuracy of MRI-EFW over US-EFW for the diagnosis of macrosomia could result in lower rates of IOL without compromising the relative advantages of the intervention but fails to demonstrate a significant benefit to justify a replication of the original trial using MRI-EFW as a second-line test.
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Affiliation(s)
- Dominique A Badr
- Department of Obstetrics and Gynecology, University Hospital Brugmann, Université Libre de Bruxelles, Brussels, Belgium
| | - Andrew Carlin
- Department of Obstetrics and Gynecology, University Hospital Brugmann, Université Libre de Bruxelles, Brussels, Belgium
| | - Michel Boulvain
- Department of Obstetrics and Gynecology, UZ Brussels, Vrije Universiteit Brussel, Brussels Belgium
| | - Caroline Kadji
- Department of Obstetrics and Gynecology, University Hospital Brugmann, Université Libre de Bruxelles, Brussels, Belgium
| | - Mieke M Cannie
- Department of Radiology, University Hospital Brugmann, Université Libre de Bruxelles, Brussels, Belgium; Department of Radiology, UZ Brussel, Vrije Universiteit Brussel, Brussels, Belgium
| | - Jacques C Jani
- Department of Obstetrics and Gynecology, University Hospital Brugmann, Université Libre de Bruxelles, Vrije Universiteit Brussel, Brussels, Belgium.
| | - Leonardo Gucciardo
- Department of Obstetrics and Gynecology, UZ Brussels, Vrije Universiteit Brussel, Brussels Belgium
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19
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Shqara RA, Francis YN, Goldinfeld G, Haddad Y, Sgayer I, Lavinsky M, Lowenstein L, Wolf MF. Papaverine prior to catheter balloon insertion for labor induction: a randomized controlled trial. Am J Obstet Gynecol MFM 2024:101388. [PMID: 38825005 DOI: 10.1016/j.ajogmf.2024.101388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2024] [Revised: 04/17/2024] [Accepted: 05/09/2024] [Indexed: 06/04/2024]
Abstract
BACKGROUND Catheter-balloon insertion is a cervical ripening method of labor induction. Papaverine and its derivatives are musculotropic antispasmodic drugs that directly induce smooth muscle relaxation. Used during childbirth, these drugs have been suggested to shorten the duration of labor. OBJECTIVE We aimed to evaluate the effect of administering papaverine prior to catheter-balloon insertion on changes in Bishop-scores and on the induction-to-delivery interval. STUDY DESIGN This randomized double-blinded placebo-controlled trial was conducted in a single tertiary university-affiliated hospital. Participants were admitted at term for labor induction with an initial Bishop-score ≤6. Participants were randomized to receive papaverine intravenous 80 mg or saline 0.9%, within 30 minutes of Foley catheter-balloon insertion. The co-primary outcomes were the difference in Bishop-score from before catheter-balloon insertion to after removal, and the induction-to-delivery interval. Secondary outcomes included maternal pain and satisfaction-scores, delivery within 24-hours and neonatal outcome. Both intention-to-treat analysis and per protocol analysis were performed. RESULTS In total, 110 women were enrolled. In the intention-to-treat analysis, for the papaverine (N=55) compared to the placebo group (N=55), the median (range) difference in Bishop-score was greater: 7 (range, 4-11) vs. 6 (1-11), p=0.023; and the median range catheter insertion-to-delivery interval was shorter: 21(6-95) vs. 26 (3-108) hours, p=0.031. A higher proportion of women in the papaverine than placebo group delivered within 24-hours: 65.5% vs. 41.8%, p=0.012. Pain and satisfaction-scores, delivery and neonatal outcomes were similar between the groups. Similar results were found in the per protocol analysis. CONCLUSIONS Papaverine prior to Foley-catheter insertion for cervical ripening resulted in improved Bishop-scores and shorter catheter-to-delivery intervals.
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Affiliation(s)
- Raneen Abu Shqara
- Department of Obstetrics and Gynecology, Galilee Medical Center, Nahariya, Israel; Azrieli Faculty of Medicine, Bar Ilan University, Safed, Israel
| | - Yara Nakhleh Francis
- Department of Obstetrics and Gynecology, Galilee Medical Center, Nahariya, Israel; Azrieli Faculty of Medicine, Bar Ilan University, Safed, Israel
| | | | - Yousef Haddad
- Department of Obstetrics and Gynecology, Galilee Medical Center, Nahariya, Israel; Azrieli Faculty of Medicine, Bar Ilan University, Safed, Israel
| | - Inshirah Sgayer
- Department of Obstetrics and Gynecology, Galilee Medical Center, Nahariya, Israel; Azrieli Faculty of Medicine, Bar Ilan University, Safed, Israel
| | - Miri Lavinsky
- Department of Obstetrics and Gynecology, Galilee Medical Center, Nahariya, Israel
| | - Lior Lowenstein
- Department of Obstetrics and Gynecology, Galilee Medical Center, Nahariya, Israel; Azrieli Faculty of Medicine, Bar Ilan University, Safed, Israel
| | - Maya Frank Wolf
- Department of Obstetrics and Gynecology, Galilee Medical Center, Nahariya, Israel; Azrieli Faculty of Medicine, Bar Ilan University, Safed, Israel.
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20
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Mwancha-Kwasa M, Admani R, Mbuga M, Maina M, Mwangi J, Ng'ang'a L, Waweru M, Mwangi S, Nyaga P, Kamondo D, Ochieng GA, Juttla PK, Nyotu R, Kimani TN, Ndiritu M. Comparing labour induction outcomes using misoprostol and dinoprostone in term pregnancies: A retrospective study at Kiambu Level 5 Hospital between 2018 and 2020. PLoS One 2024; 19:e0304631. [PMID: 38820427 PMCID: PMC11142478 DOI: 10.1371/journal.pone.0304631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Accepted: 05/15/2024] [Indexed: 06/02/2024] Open
Abstract
BACKGROUND The Maternal and Perinatal Death Surveillance and Response (MPDSR) was introduced in Kenya in 2016 and implemented at Kiambu Level 5 Hospital (KL5H) three years later in 2019. During a routine MPDSR meeting at KL5H, committee members identified a possible link between the off-label use of 200mcg misoprostol tablets divided eight times to achieve the necessary dose for labour induction (25mcg) and maternal deaths. Following this, an administrative decision was made to switch from misoprostol to dinoprostone for the induction of labour in June of 2019. This study aimed to assess the overall impact of MPDSR as well as the effect of replacing misoprostol with dinoprostone on uterine rupture, maternal and neonatal deaths at KL5H. METHODS We conducted a retrospective cohort study of women who gave birth at KL5H between January 2018 and December 2020. We defined the pre-intervention period as January 2018-June 2019, and the intervention period as July 2019-December 2020. We randomly selected the records of 411 mothers, 167 from the pre-intervention period and 208 from the intervention period, all of whom were induced. We used Bayes-Poisson Generalised Linear Models to fit the risk of uterine rupture, maternal and perinatal death. 12 semi-structured key person questionnaires was used to describe staff perspectives regarding the switch from misoprostol to dinoprostone. Inductive and deductive data analysis was done to capture the salient emerging themes. RESULTS We reviewed 411 patient records and carried out 12 key informant interviews. Mothers induced with misoprostol (IRR = 3.89; CI = 0.21-71.6) had an increased risk of death while mothers were less likely to die if they were induced with dinoprostone (IRR = 0.23; CI = 0.01-7.12) or had uterine rupture (IRR = 0.56; CI = 0.02-18.2). The risk of dying during childbearing increased during Jul 2019-Dec 2020 (IRR = 5.43, CI = 0.68-43.2) when the MPDSR activities were strengthened. Induction of labour (IRR = 1.01; CI = 0.06-17.1) had no effect on the risk of dying from childbirth in our setting. The qualitative results exposed that maternity unit staff preferred dinoprostone to misoprostol as it was thought to be more effective (fewer failed inductions) and safer, regardless of being more expensive compared to misoprostol. CONCLUSION While the period immediately following the implementation of MPDSR at KL5H was associated with an increased risk of death, the switch to dinoprostone for labour induction was associated with a lower risk of maternal and perinatal death. The use of dinoprostone, however, was linked to an increased risk of uterine rupture, possibly attributed to reduced labour monitoring given that staff held the belief that it is inherently safer than misoprostol. Consequently, even though the changeover was warranted, further investigation is needed to determine the reasons behind the rise in maternal mortalities, even though the MPDSR framework appeared to have been put in place to quell such an increase.
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Affiliation(s)
| | - Rashida Admani
- Kiambu Level Five Hospital, County Government of Kiambu, Kiambu, Kiambu County, Kenya
| | - Margaret Mbuga
- Kiambu Level Five Hospital, County Government of Kiambu, Kiambu, Kiambu County, Kenya
| | - Mary Maina
- Kiambu Level Five Hospital, County Government of Kiambu, Kiambu, Kiambu County, Kenya
| | - Jonathan Mwangi
- School of Pharmacy and Health Sciences, United States International University, Nairobi, Kenya
| | - Lucy Ng'ang'a
- Kiambu Level Five Hospital, County Government of Kiambu, Kiambu, Kiambu County, Kenya
| | - Margaret Waweru
- Kiambu Level Five Hospital, County Government of Kiambu, Kiambu, Kiambu County, Kenya
| | - Sarah Mwangi
- Kiambu Level Five Hospital, County Government of Kiambu, Kiambu, Kiambu County, Kenya
| | - Patrick Nyaga
- Department of Health, County Government of Kiambu, Kiambu, Kiambu County, Kenya
| | - Davis Kamondo
- Department of Health, County Government of Kiambu, Kiambu, Kiambu County, Kenya
| | - Grace Akech Ochieng
- Kiambu Level Five Hospital, County Government of Kiambu, Kiambu, Kiambu County, Kenya
| | - Prabhjot Kaur Juttla
- Faculty of Health Sciences, School of Medicine, University of Nairobi, Nairobi, Kenya
| | - Ryan Nyotu
- Department of Health, County Government of Kiambu, Kiambu, Kiambu County, Kenya
| | | | - Moses Ndiritu
- Department of Health, County Government of Kiambu, Kiambu, Kiambu County, Kenya
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21
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Lowen DJ, Meikhail M, Jovic E, Sheridan N, Tacey M, Bisits A, Hodgson R. A double-blinded randomised controlled study of fluid restriction versus liberal fluid during induction of labour: A pilot study. Aust N Z J Obstet Gynaecol 2024. [PMID: 38780492 DOI: 10.1111/ajo.13841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Accepted: 05/07/2024] [Indexed: 05/25/2024]
Abstract
BACKGROUND Excess intravenous fluid for women requiring an induction of labour may adversely affect the duration of labour and maternal/neonatal outcomes. AIMS This study aimed to determine the difference in duration of labour and outcomes with a low background infusion rate, compared to liberal background intravenous fluid management. MATERIALS AND METHODS A double blind randomised controlled pilot study was performed on 200 women who underwent induction of labour at a single institution. Women were randomised to an intravenous rate of 40 mL/h versus 250 mL/h of Hartmann's solution. Fluid boluses were strictly controlled to limit bias. This trial was registered with the Australian clinical trial registry: ACTRN12621001298808. RESULTS Analysis of the total amount of fluid received showed good separation with Group 1 (40 mL/h) receiving 1,736 mL less than Group 2 (250 mL/h), median (interquartile range) 841 mL (458, 1691) versus 2,577 mL (1620, 4326) (P < 0.001). Median duration of labour was shorter in Group 1 by 24 min (P = ns). Subset analysis of nulliparous women showed that duration of labour was shorter in Group 1 by 83.5 min (P = ns). CONCLUSION As this was a pilot study, a significant difference in duration of labour or secondary outcomes was not seen. Given the increasing numbers of nulliparous women having an induction of labour, potential for adverse maternal and neonatal outcomes and the associated higher rate of operative birth, this study guides power calculations and supports proof of concept for future research into optimum fluid management during induction of labour for these women.
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Affiliation(s)
- Darren J Lowen
- Department of Anaesthesia & Perioperative Medicine, Northern Health, Melbourne, Victoria, Australia
- Department of Critical Care, Melbourne Medical School, The University of Melbourne, Melbourne, Victoria, Australia
| | - Marina Meikhail
- Department of Obstetrics & Gynaecology, Northern Health, Melbourne, Victoria, Australia
| | - Ekaterina Jovic
- Department of Obstetrics & Gynaecology, Northern Health, Melbourne, Victoria, Australia
| | - Nicole Sheridan
- Department of Anaesthesia, Pain and Perioperative Medicine, Western Health, Melbourne, Victoria, Australia
| | - Mark Tacey
- Department of Radiation Oncology, Austin Health, Melbourne, Victoria, Australia
| | - Andrew Bisits
- Department of Maternity, Royal Hospital for Women, Sydney, New South Wales, Australia
| | - Russell Hodgson
- Division of Surgery, Northern Health, Melbourne, Victoria, Australia
- Department of Surgery, University of Melbourne, Melbourne, Victoria, Australia
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22
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Silver RM, Reddy U. Stillbirth: we can do better. Am J Obstet Gynecol 2024:S0002-9378(24)00628-8. [PMID: 38789073 DOI: 10.1016/j.ajog.2024.05.042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Revised: 04/23/2024] [Accepted: 05/20/2024] [Indexed: 05/26/2024]
Abstract
Stillbirth is far too common, occurring in millions of pregnancies per year globally. The rate of stillbirth (defined as death of a fetus prior to birth at 20 weeks' gestation or more) in the United States is 5.73 per 1000. This is approximately 1 in 175 pregnancies accounting for about 21,000 stillbirths per year. Although rates are much higher in low-income countries, the stillbirth rate in the United States is much higher than most high resource countries. Moreover, there are substantial disparities in stillbirth, with rates twice as high for non-Hispanic Black and Native Hawaiian or Other Pacific Islanders compared to non-Hispanic Whites. There is considerable opportunity for reduction in stillbirths, even in high resource countries such as the United States. In this article, we review the epidemiology, risk factors, causes, evaluation, medical and emotional management, and prevention of stillbirth. We focus on novel data regarding genetic etiologies, placental assessment, risk stratification, and prevention.
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Affiliation(s)
- Robert M Silver
- Departments of Obstetrics and Gynecology, Divisions of Maternal Fetal Medicine, University of Utah, Salt Lake City, UT.
| | - Uma Reddy
- Departments of Obstetrics and Gynecology, Divisions of Maternal Fetal Medicine, Columbia University, New York, NY
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23
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Winner RM, Graves J, Jarvis K, Beckman D, Youkilis BB, Monroe M, Davies CC. Relationships Among Mode of Birth, Onset of Labor, and Bishop Score. J Obstet Gynecol Neonatal Nurs 2024:S0884-2175(24)00069-8. [PMID: 38782048 DOI: 10.1016/j.jogn.2024.04.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 04/10/2024] [Accepted: 04/12/2024] [Indexed: 05/25/2024] Open
Abstract
OBJECTIVE To investigate mode of birth in relation to onset of labor and Bishop score. DESIGN Retrospective observational cohort design. SETTING A 434-bed Magnet e-designated community hospital. PARTICIPANTS Nulliparous women, 18 years of age or older, who gave birth at 37 to 41 weeks gestation to live, singleton fetuses in the vertex presentation (N = 701). METHODS We conducted a retrospective chart review and used chi-square analysis to measure the associations among mode of birth, onset of labor, and Bishop score. We used logistic regression to test the probability of cesarean birth for women undergoing elective induction of labor. RESULTS Most participants (n = 531, 75.7%) gave birth vaginally. Significant findings included the following relationships: spontaneous onset of labor and vaginal birth (χ2 = 22.2, Ø = 0.18, p < .001) and Bishop score of greater than or equal to 8 and vaginal birth (χ2 = 4.9, Ø = .14, p = .028). Induction of labor was a significant predictor in cesarean birth when controlling for age and body mass index (OR = 2.1, 95% confidence interval [1.5, 3.1], p < .01). CONCLUSION Reducing elective induction of labor in women with low-risk pregnancies may help lower the risk of cesarean birth. Clinically, Bishop score and mode of birth have a weak association, particularly when induction includes cervical ripening.
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24
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Morris RK, Johnstone E, Lees C, Morton V, Smith G. Investigation and Care of a Small-for-Gestational-Age Fetus and a Growth Restricted Fetus (Green-top Guideline No. 31). BJOG 2024. [PMID: 38740546 DOI: 10.1111/1471-0528.17814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/16/2024]
Abstract
Key recommendations
All women should be assessed at booking (by 14 weeks) for risk factors for fetal growth restriction (FGR) to identify those who require increased surveillance using an agreed pathway [Grade GPP]. Findings at the midtrimester anomaly scan should be incorporated into the fetal growth risk assessment and the risk assessment updated throughout pregnancy. [Grade GPP]
Reduce smoking in pregnancy by identifying women who smoke with the assistance of carbon monoxide (CO) testing and ensuring in‐house treatment from a trained tobacco dependence advisor is offered to all pregnant women who smoke, using an opt‐out referral process. [Grade GPP]
Women at risk of pre‐eclampsia and/or placental dysfunction should take aspirin 150 mg once daily at night from 12+0–36+0 weeks of pregnancy to reduce their chance of small‐for‐gestational‐age (SGA) and FGR. [Grade A]
Uterine artery Dopplers should be carried out between 18+0 and 23+6 weeks for women at high risk of fetal growth disorders [Grade B]. In a woman with normal uterine artery Doppler and normal fetal biometry at the midtrimester scan, serial ultrasound scans for fetal biometry can commence at 32 weeks. Women with an abnormal uterine artery Doppler (mean pulsatility index > 95th centile) should commence ultrasound scans at 24+0–28+6 weeks based on individual history. [Grade B]
Women who are at low risk of FGR should have serial measurement of symphysis fundal height (SFH) at each antenatal appointment after 24+0 weeks of pregnancy (no more frequently than every 2 weeks). The first measurement should be carried out by 28+6 weeks. [Grade C]
Women in the moderate risk category are at risk of late onset FGR so require serial ultrasound scan assessment of fetal growth commencing at 32+0 weeks. For the majority of women, a scan interval of four weeks until birth is appropriate. [Grade B]
Maternity providers should ensure that they clearly identify the reference charts to plot SFH, individual biometry and estimated fetal weight (EFW) measurements to calculate centiles. For individual biometry measurements the method used for measurement should be the same as those used in the development of the individual biometry and fetal growth chart [Grade GPP]. For EFW the Hadlock three parameter model should be used. [Grade C]
Maternity providers should ensure that they have guidance that promotes the use of standard planes of acquisition and calliper placement when performing ultrasound scanning for fetal growth assessment. Quality control of images and measurements should be undertaken. [Grade C]
Ultrasound biometry should be carried out every 2 weeks in fetuses identified to be SGA [Grade C]. Umbilical artery Doppler is the primary surveillance tool and should be carried out at the point of diagnosis of SGA and during follow‐up as a minimum every 2 weeks. [Grade B]
In fetuses with an EFW between the 3rd and 10th centile, other features must be present for birth to be recommended prior to 39+0 weeks, either maternal (maternal medical conditions or concerns regarding fetal movements) or fetal compromise (a diagnosis of FGR based on Doppler assessment, fetal growth velocity or a concern on cardiotocography [CTG]) [Grade C]. For fetuses with an EFW or abdominal circumference less than the 10th centile where FGR has been excluded, birth or the initiation of induction of labour should be considered at 39+0 weeks after discussion with the woman and her partner/family/support network. Birth should occur by 39+6 weeks. [Grade B]
Pregnancies with early FGR (prior to 32+0 weeks) should be monitored and managed with input from tertiary level units with the highest level neonatal care. Care should be multidisciplinary by neonatology and obstetricians with fetal medicine expertise, particularly when extremely preterm (before 28 weeks) [Grade GPP]. Fetal biometry in FGR should be repeated every 2 weeks [Grade B]. Assessment of fetal wellbeing can include multiple modalities but must include computerised CTG and/or ductus venous. [Grade B]
In pregnancies with late FGR, birth should be initiated from 37+0 weeks to be completed by 37+6 weeks [Grade A]. Decisions for birth should be based on fetal wellbeing assessments or maternal indication. [Grade GPP]
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25
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Saucedo AM, Macones GA, Cahill AG, Harper LM. Elective Induction of Labor Following Prior Cesarean Delivery. Am J Perinatol 2024. [PMID: 38648851 DOI: 10.1055/a-2310-9817] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/25/2024]
Abstract
OBJECTIVE Following the release of A Randomized Trial of Induction versus Expectant Management (ARRIVE) trial, the induction of labor at 39 weeks has increased in the United States. The risk of uterine rupture and optimal timing of elective induction in those patients with a prior cesarean delivery is not well-described, and they were not included in the original trial. We aimed to determine the risk of uterine rupture in those patients undergoing elective induction of labor with prior cesarean delivery. STUDY DESIGN This was a retrospective cohort of participants with prior cesarean delivery from 1996 to 2000. Participants were included if they had two or more prior cesareans. Participants were excluded if they had a history of an unknown prior incision, a classical incision, gestational age <39 weeks, any diabetes, chronic hypertension, twin gestation, collagen or vascular disease, or HIV. Those undergoing expectant management were compared with those undergoing elective induction with no medical or obstetrical indications for delivery. Analysis was performed at three gestational age groups: 39 weeks, 40 weeks, and 41 weeks. The primary outcomes were uterine rupture, rates of successful vaginal delivery, and a composite major morbidity risk. Multivariable logistic regression was performed. RESULTS At 39 weeks, 618 (10.3%) elective inductions were compared with 5,365 (89.7%) undergoing expectant management; uterine rupture occurred more frequently (13 patients [2.1%] vs. 49 patients [0.9%]; adjusted odds ratio [aOR], 2.5; 95% confidence interval, 1.3-4.6) with fewer successful vaginal birth after cesarean [VBAC; 66.8 vs. 75%; aOR, 0.6; 95% confidence interval, 0.5-0.7]. The risk of uterine rupture was similar between groups at 40 weeks (5 patients [0.8%] vs. 21 patients [1.2%]; p = 0.387) and 41 weeks (7 patients [1.4%] vs. 2 patients (0.8%); p = 0.448). CONCLUSION Patients undergoing elective induction of labor with a prior cesarean scar had an increased risk of uterine rupture when compared with expectant management at 39 weeks, with fewer successful VBAC. KEY POINTS · TOLAC elective induction at 39 weeks has an increased risk of uterine rupture.. · TOLAC elective induction at 39 weeks has a less successful chance of vaginal delivery.. · Awaiting spontaneous labor in this cohort does not increase the risk of uterine rupture..
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Affiliation(s)
- Alexander M Saucedo
- Department of Women's Health, Dell Medical School, University of Texas at Austin, Austin, Texas
| | - George A Macones
- Department of Women's Health, Dell Medical School, University of Texas at Austin, Austin, Texas
| | - Alison G Cahill
- Department of Women's Health, Dell Medical School, University of Texas at Austin, Austin, Texas
| | - Lorie M Harper
- Department of Women's Health, Dell Medical School, University of Texas at Austin, Austin, Texas
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26
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Triebwasser JE, Louis L, Bailey JM, Mitchell-Solomon L, Malone AM, Hamm RF, Moniz MH, Stout MJ. Implementation and Clinical Impact of a Guideline for Standardized, Evidence-Based Induction of Labor. Am J Perinatol 2024. [PMID: 38593985 DOI: 10.1055/a-2302-7334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/11/2024]
Abstract
OBJECTIVE This study aimed to assess the impact of implementation of an induction of labor (IOL) guideline on IOL length and utilization of evidence-based practices. STUDY DESIGN We conducted a quality improvement project to increase utilization of three evidence-based IOL practices: combined agent ripening, vaginal misoprostol, and early amniotomy. Singletons with intact membranes and cervical dilation ≤2 cm admitted for IOL were included. Primary outcome was IOL length. Secondary outcomes included cesarean delivery and practice utilization. We compared preimplementation (PRE; November 1, 2021 through January 31, 2022) to postimplementation (POST; March 1, 2022 through April 30, 2022) with sensitivity analyses by self-reported race and ethnicity. Cox proportional hazards models and logistic regression were used to test the association between period and outcomes. RESULTS Among 495 birthing people (PRE, n = 293; POST, n = 202), IOL length was shorter POST (22.0 vs. 18.3 h, p = 0.003), with faster time to delivery (adjusted hazard ratio [aHR] 1.38, 95% CI 1.15-1.66), more birthing people delivered within 24 hours (57 vs. 68.8%, adjusted odds ratio [aOR] 1.90 [95% CI 1.25-2.89]), and no difference in cesarean. Utilization of combined agent ripening (31.1 vs. 42.6%, p = 0.009), vaginal misoprostol (34.5 vs. 68.3%, p < 0.001), and early amniotomy (19.1 vs. 31.7%, p = 0.001) increased POST. CONCLUSION Implementation of an evidence-based IOL guideline is associated with shorter induction time. Additional implementation efforts to increase adoption of practices are needed to optimize outcomes after IOL. KEY POINTS · Implementation of an IOL guideline is associated with faster time to delivery.. · Evidence-based induction practices were used more often after guideline implementation.. · Adoption of evidence-based induction practices is variable even with a guideline..
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Affiliation(s)
- Jourdan E Triebwasser
- Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, Michigan
| | - LeAnn Louis
- Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, Michigan
| | - Joanne M Bailey
- Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, Michigan
| | - Leah Mitchell-Solomon
- Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, Michigan
| | - Anita M Malone
- Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, Michigan
| | - Rebecca F Hamm
- Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Michelle H Moniz
- Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, Michigan
| | - Molly J Stout
- Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, Michigan
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27
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Lalithadevi P, Rengaraj S, Dasari P, Adhisivam B. Elective induction of labor versus expectant management at 39 weeks among low-risk nulliparous pregnant women: A randomized controlled trial in India (ELITE-39 trial). Int J Gynaecol Obstet 2024. [PMID: 38708604 DOI: 10.1002/ijgo.15597] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 04/18/2024] [Accepted: 04/25/2024] [Indexed: 05/07/2024]
Abstract
OBJECTIVE The aim of the present open label randomized controlled trial was to compare the rate of cesarean section (CS) after elective induction with that of expectant management in low-risk nulliparous women at 39 weeks. METHODS This randomized controlled trial from a tertiary maternity care center enrolled low risk nulliparous pregnant women at 38-38+4 weeks between April 1, 2019 and December 31, 2021. Participants were randomized into either the elective induction group (e-IOL) or the expectant management (EM) group though computer generated block randomization. The primary outcome was cesarean rate and the secondary outcome include adverse maternal and perinatal outcome between e-IOL and EM groups. We performed intention to treat analysis. RESULTS A total of 360 women were enrolled into the present study. Analysis was performed for 179 women in the e-IOL group and 180 women in the EM group. The baseline demographic characteristics including Bishop score were comparable between the groups. The CS rate in both groups was 17.3% (31/179) and 25% (45/180), which is comparable (P = 0.08). There was one intrapartum stillbirth in the e-IOL group, and two babies succumbed in the neonatal period in the EM group. The maternal and perinatal outcomes between the groups were not found to be significantly different. CONCLUSION Elective induction of low-risk nulliparous women at 39 weeks was not associated with increased cesarean section rate. The maternal and perinatal outcomes were comparable. Large, multicentric real time randomized controlled trials are needed to understand the benefit of elective induction in low-risk nulliparous women. This should include centers with large volume of deliveries especially from emerging countries also.
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Affiliation(s)
| | | | - Paapa Dasari
- Department of Obstetrics and Gynecology, JIPMER, Puducherry, India
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28
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Rimsza RR, Kelly JC, Frolova AI, Odibo AA, Carter EB, Cahill AG, Raghuraman N. The Impact of Cervical Effacement at Time of Amniotomy in Patients Undergoing Induction of Labor. Am J Perinatol 2024; 41:e1989-e1995. [PMID: 37207677 DOI: 10.1055/a-2096-2277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
OBJECTIVE There is evidence to suggest that early amniotomy during induction of labor is advantageous. However, following cervical ripening balloon removal, the cervix remains less effaced and the utility of amniotomy in this setting is less clear. We investigated whether cervical effacement at the time of amniotomy impacts outcomes among nulliparas undergoing induction of labor. STUDY DESIGN This was a secondary analysis of a prospective cohort of singleton, term, nulliparous patients at a tertiary care center undergoing induction of labor and amniotomy. The primary outcome was completion of the first stage of labor. Secondary outcomes were vaginal delivery and postpartum hemorrhage. Outcomes were compared between patients with cervical effacement ≤50% (low effacement) and >50% (high effacement) at time of amniotomy. Multivariable logistic regression was used calculate risk ratios (RR) to adjust for confounders including cervical dilation. Stratified analysis was performed in patients with cervical ripening balloon use. A post hoc sensitivity analysis was performed to further control for cervical dilation. RESULTS Of 1,256 patients, 365 (29%) underwent amniotomy at low effacement. Amniotomy at low effacement was associated with reduced likelihood of completing the first stage (aRR: 0.87 [95% confidence interval, CI: 0.78-0.95]) and vaginal delivery (aRR: 0.87 [95% CI: 0.77-0.96]). Although amniotomy at low effacement was associated with lower likelihood of completing the first stage in all-comers, those who had amniotomy performed at low effacement following cervical ripening balloon expulsion were at the highest risk (aRR: 0.84 [95% CI: 0.69-0.98], p for interaction = 0.04) In the post hoc sensitivity analysis, including patients who underwent amniotomy at 3- or 4-cm dilation, low cervical effacement remained associated with a lower likelihood of completing the first stage of labor. CONCLUSION Low cervical effacement at time of amniotomy, particularly following cervical ripening balloon expulsion, is associated with a lower likelihood of successful induction. KEY POINTS · Low cervical effacement at amniotomy was associated with lower rates of complete dilation.. · Effacement at amniotomy is especially important for patients who had a cervical ripening balloon.. · Providers should consider cervical effacement when timing amniotomy for nulliparous term patients..
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Affiliation(s)
- Rebecca R Rimsza
- Department of Obstetrics and Gynecology, Division of Maternal-Fetal Medicine and Ultrasound, Washington University in St. Louis, St. Louis, Missouri
| | - Jeannie C Kelly
- Department of Obstetrics and Gynecology, Division of Maternal-Fetal Medicine and Ultrasound, Washington University in St. Louis, St. Louis, Missouri
| | - Antonina I Frolova
- Department of Obstetrics and Gynecology, Division of Maternal-Fetal Medicine and Ultrasound, Washington University in St. Louis, St. Louis, Missouri
| | - Anthony A Odibo
- Department of Obstetrics and Gynecology, Division of Maternal-Fetal Medicine and Ultrasound, Washington University in St. Louis, St. Louis, Missouri
| | - Ebony B Carter
- Department of Obstetrics and Gynecology, Division of Maternal-Fetal Medicine and Ultrasound, Washington University in St. Louis, St. Louis, Missouri
| | - Alison G Cahill
- Department of Obstetrics and Gynecology, Division of Maternal-Fetal Medicine, Dell School of Medicine, University of Texas at Austin, Austin, Texas
| | - Nandini Raghuraman
- Department of Obstetrics and Gynecology, Division of Maternal-Fetal Medicine and Ultrasound, Washington University in St. Louis, St. Louis, Missouri
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29
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Hersh AR, Urbanowicz E, Garg B, Schmidt EM, Packer CH, Caughey AB. Outcomes among Nulliparous Women Undergoing Nonmedically Indicated Induction of Labor at 39 Weeks Compared with Expectant Management Differ by Maternal Age. Am J Perinatol 2024; 41:e1061-e1068. [PMID: 36452970 DOI: 10.1055/a-1990-8411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
Abstract
OBJECTIVE Prior studies have demonstrated the potential benefit of nonmedically indicated induction of labor for nulliparous women at 39 weeks of gestation, yet few have studied the impact of this management strategy in different maternal age groups on obstetric outcomes. We sought to assess whether obstetric outcomes among women undergoing nonmedically indicated induction of labor at 39 weeks of gestation as compared with expectant management vary based on maternal age. STUDY DESIGN This was a retrospective cohort study of singleton, nonanomalous, deliveries between 2007 and 2012 in California. We defined nonmedically indicated induction of labor as induction of labor without a specific medical indication, and women with planned cesarean sections were excluded. We compared induction of labor with expectant management beyond the gestational age of induction and examined this comparison in different maternal age groups. Numerous maternal and neonatal outcomes were examined. Chi-squared and multivariable logistic regression analyses were used for statistical comparisons and a p-value of less than 0.05 was used to indicate statistical significance. RESULTS A total of 630,485 women-infant dyads met our inclusion criteria and were included in this study. At 39 weeks' gestation, 6% of women underwent nonmedically indicated induction of labor and 94% underwent expectant management. Women 20 to 34 and ≥35 years old had lower odds of cesarean delivery if they underwent induction of labor. Women of all ages undergoing nonmedically indicated induction of labor had higher odds of operative vaginal delivery. Neonatal outcomes were better with nonmedically indicated induction of labor, including lower odds of neonatal intensive care unit admission and neonatal respiratory distress. CONCLUSION Our study demonstrated that obstetric outcomes vary among women undergoing nonmedically indicated induction of labor compared with expectant management when stratified by maternal age. These findings illustrate the importance of understanding age-related differences in outcomes associated with nonmedically indicated induction of labor. KEY POINTS · Outcomes are different by age with nonmedically indicated induction of labor (IOL).. · The odds of cesarean delivery with IOL decreases with increasing maternal age compared with expectant management.. · Neonatal outcomes were improved with IOL compared with expectant management..
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Affiliation(s)
- Alyssa R Hersh
- Department of Obstetrics and Gynecology, Oregon Health and Science University, Portland, Oregon
| | - Erin Urbanowicz
- Department of Obstetrics and Gynecology, Oregon Health and Science University, Portland, Oregon
| | - Bharti Garg
- Department of Obstetrics and Gynecology, Oregon Health and Science University, Portland, Oregon
| | - Eleanor M Schmidt
- Department of Obstetrics and Gynecology, Oregon Health and Science University, Portland, Oregon
| | - Claire H Packer
- Department of Obstetrics and Gynecology, Oregon Health and Science University, Portland, Oregon
| | - Aaron B Caughey
- Department of Obstetrics and Gynecology, Oregon Health and Science University, Portland, Oregon
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Benson M, Younes L, Watson A, Saade GR, Saad AF. Applying Tension to the Transcervical Foley Balloon and Delivery Times in Term Nulliparous Women Undergoing Induction of Labor: A Randomized Controlled Trial. Obstet Gynecol 2024; 143:670-676. [PMID: 38422505 DOI: 10.1097/aog.0000000000005546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Accepted: 01/25/2024] [Indexed: 03/02/2024]
Abstract
OBJECTIVE To investigate the effects of applying tension to a transcervical Foley balloon on delivery time in term nulliparous patients undergoing labor induction. METHODS This cluster randomized clinical trial included 279 term nulliparous women presenting for labor induction with a plan for cervical ripening through transcervical Foley balloon placement. Participants were assigned to either the tension group (n=138) or the no-tension group (n=141) on the basis of randomized, weekly clusters (26 total clusters). The primary outcome measured was the time from initial Foley balloon insertion to delivery. Secondary outcomes included cesarean delivery rates, peripartum infection, and neonatal intensive care unit (NICU) admission. Our prior data suggested that delivery time in the tension group would be about 1,053 minutes. We estimated a sample size of 260 (130 per group, 26 clusters) on the basis of a 25% difference, power of 80%, and two-sided α of 0.05. RESULTS A total of 279 term nulliparous patients were included in the analysis. The median time from Foley placement to delivery was 1,596 minutes (range 430-3,438 minutes) for the tension group and 1,621 minutes (range 488-3,323 minutes) for the no-tension group ( P =.8); similar results were noted for time to vaginal delivery. No significant differences were observed in the secondary outcomes, including the rates of cesarean delivery (34.1% vs 29.8%, P =.7), peripartum infection, and NICU admission, between the two groups. CONCLUSION Applying tension to a transcervical Foley balloon in term nulliparous women undergoing labor induction did not significantly reduce delivery time or improve secondary outcomes. CLINICAL TRIAL REGISTRATION ClinicalTrials.gov , NCT05404776.
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Affiliation(s)
- Meagan Benson
- Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, the Department of Obstetrics and Gynecology, and the School of Medicine, University of Texas Medical Branch, Galveston, Texas; and the Division of Maternal-Fetal Medicine, Department of Obstetrics & Gynecology, Eastern Virginia Medical School, Norfolk, and the Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, Inova Fairfax Hospital, Falls Church, Virginia
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Wheeler SM, Truong T, Unnithan S, Hong H, Myers E, Swamy GK. Obstetric Racial Disparities in the Era of the ARRIVE (A Randomized Trial of Induction Versus Expectant Management) Trial and the Coronavirus Disease 2019 (COVID-19) Pandemic. Obstet Gynecol 2024; 143:690-699. [PMID: 38547489 PMCID: PMC11031288 DOI: 10.1097/aog.0000000000005564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Accepted: 02/01/2024] [Indexed: 04/08/2024]
Abstract
OBJECTIVE To evaluate the influence of the ARRIVE (A Randomized Trial of Induction Versus Expectant Management) trial and the coronavirus disease 2019 (COVID-19) pandemic on racial and ethnic differences in labor induction, pregnancy-associated hypertension, and cesarean delivery among non-Hispanic Black and non-Hispanic White low-risk, first-time pregnancies. METHODS We conducted an interrupted time series analysis of U.S. birth certificate data from maternal non-Hispanic Black and non-Hispanic White race and ethnicity, first pregnancy, 39 or more weeks of gestation, with no documented contraindication to vaginal delivery or expectant management beyond 39 weeks. We compared the rate of labor induction (primary outcome), pregnancy-associated hypertension, and cesarean delivery during three time periods: pre-ARRIVE (January 1, 2015-July 31, 2018), post-ARRIVE (November 1, 2018-February 29, 2020), and post-COVID-19 (March 1, 2020-December 31, 2021). RESULTS In the post-ARRIVE period, the rate of labor induction increased in both non-Hispanic White and non-Hispanic Black patients, with no statistically significant difference in the magnitude of increase between the two groups (rate ratio for race [RR race ] 0.98, 95% CI, 0.95-1.02, P =.289). Post-COVID-19, the rate of labor induction increased in non-Hispanic White but not non-Hispanic Black patients. The magnitude of the rate change between non-Hispanic White and non-Hispanic Black patients was significant (RR race 0.95, 95% CI, 0.92-0.99, P =.009). Non-Hispanic Black pregnant people were more likely to have pregnancy-associated hypertension and more often delivered by cesarean at all time periods. CONCLUSION Changes in obstetric practice after both the ARRIVE trial and the COVID-19 pandemic were not associated with changes in Black-White racial differences in labor induction, cesarean delivery, and pregnancy-associated hypertension.
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Affiliation(s)
- Sarahn M Wheeler
- Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, the Department of Biostatics and Bioinformatics, and the Division of Women's Community and Population Health, Department of Obstetrics and Gynecology, Duke University School of Medicine, Durham, North Carolina
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Roberts AW, Hotra J, Soto E, Pedroza C, Sibai BM, Blackwell SC, Chauhan SP. Indicated vs universal third-trimester ultrasound examination in low-risk pregnancies: a pre-post-intervention study. Am J Obstet Gynecol MFM 2024; 6:101373. [PMID: 38583714 DOI: 10.1016/j.ajogmf.2024.101373] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Revised: 03/13/2024] [Accepted: 04/01/2024] [Indexed: 04/09/2024]
Abstract
BACKGROUND In low-risk pregnancies, a third-trimester ultrasound examination is indicated if fundal height measurement and gestational age discrepancy are observed. Despite potential improvement in the detection of ultrasound abnormality, prior trials to date on universal third-trimester ultrasound examination in low-risk pregnancies, compared with indicated ultrasound examination, have not demonstrated improvement in neonatal or maternal adverse outcomes. OBJECTIVE The primary objective was to determine if universal third-trimester ultrasound examination in low-risk pregnancies could attenuate composite neonatal adverse outcomes. The secondary objectives were to compare changes in composite maternal adverse outcomes and detection of abnormalities of fetal growth (fetal growth restriction or large for gestational age) or amniotic fluid (oligohydramnios or polyhydramnios). STUDY DESIGN Our pre-post intervention study at 9 locations included low-risk pregnancies, those without indication for ultrasound examination in the third trimester. Compared with indicated ultrasound in the preimplementation period, in the postimplementation period, all patients were scheduled for ultrasound examination at 36.0-37.6 weeks. In both periods, clinicians intervened on the basis of abnormalities identified. Composite neonatal adverse outcomes included any of: Apgar score ≤5 at 5 minutes, cord pH <7.00, birth trauma (bone fracture or brachial plexus palsy), intubation for >24 hours, hypoxic-ischemic encephalopathy, seizure, sepsis (bacteremia proven with blood culture), meconium aspiration syndrome, intraventricular hemorrhage grade III or IV, periventricular leukomalacia, necrotizing enterocolitis, stillbirth after 36 weeks, or neonatal death within 28 days of birth. Composite maternal adverse outcomes included any of the following: chorioamnionitis, wound infection, estimated blood loss >1000 mL, blood transfusion, deep venous thrombus or pulmonary embolism, admission to intensive care unit, or death. Using Bayesian statistics, we calculated a sample size of 600 individuals in each arm to detect >75% probability of any reduction in primary outcome (80% power; 50% hypothesized risk reduction). RESULTS During the preintervention phase, 747 individuals were identified during the initial ultrasound examination, and among them, 568 (76.0%) met the inclusion criteria at 36.0-37.6 weeks; during the postintervention period, the corresponding numbers were 770 and 661 (85.8%). The rate of identified abnormalities of fetal growth or amniotic fluid increased from between the pre-post intervention period (7.1% vs 22.2%; P<.0001; number needed to diagnose, 7; 95% confidence interval, 5-9). The primary outcome occurred in 15 of 568 (2.6%) individuals in the preintervention and 12 of 661 (1.8%) in the postintervention group (83% probability of risk reduction; posterior relative risk, 0.69 [95% credible interval, 0.34-1.42]). The composite maternal adverse outcomes occurred in 8.6% in the preintervention and 6.5% in the postintervention group (90% probability of risk; posterior relative risk, 0.74 [95% credible interval, 0.49-1.15]). The number needed to treat to reduce composite neonatal adverse outcomes was 121 (95% confidence interval, 40-200). In addition, the number to reduce composite maternal adverse outcomes was 46 (95% confidence interval, 19-74), whereas the number to prevent cesarean delivery was 18 (95% confidence interval, 9-31). CONCLUSION Among low-risk pregnancies, compared with routine care with indicated ultrasound examination, implementation of a universal third-trimester ultrasound examination at 36.0-37.6 weeks attenuated composite neonatal and maternal adverse outcomes.
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Affiliation(s)
- Aaron W Roberts
- Department of Obstetrics, Gynecology and Reproductive Sciences, McGovern Medical School at The University of Texas Health Science Center, Houston, TX (Dr Roberts, Mr Hotra, Drs Soto, Sibai, Blackwell, and Chauhan).
| | - John Hotra
- Department of Obstetrics, Gynecology and Reproductive Sciences, McGovern Medical School at The University of Texas Health Science Center, Houston, TX (Dr Roberts, Mr Hotra, Drs Soto, Sibai, Blackwell, and Chauhan)
| | - Eleazar Soto
- Department of Obstetrics, Gynecology and Reproductive Sciences, McGovern Medical School at The University of Texas Health Science Center, Houston, TX (Dr Roberts, Mr Hotra, Drs Soto, Sibai, Blackwell, and Chauhan)
| | - Claudia Pedroza
- Center for Clinical Research and Evidence-Based Medicine, Department of Pediatrics, The University of Texas Health Science Center at Houston, Houston, TX (Dr Pedroza)
| | - Baha M Sibai
- Department of Obstetrics, Gynecology and Reproductive Sciences, McGovern Medical School at The University of Texas Health Science Center, Houston, TX (Dr Roberts, Mr Hotra, Drs Soto, Sibai, Blackwell, and Chauhan)
| | - Sean C Blackwell
- Department of Obstetrics, Gynecology and Reproductive Sciences, McGovern Medical School at The University of Texas Health Science Center, Houston, TX (Dr Roberts, Mr Hotra, Drs Soto, Sibai, Blackwell, and Chauhan)
| | - Suneet P Chauhan
- Department of Obstetrics, Gynecology and Reproductive Sciences, McGovern Medical School at The University of Texas Health Science Center, Houston, TX (Dr Roberts, Mr Hotra, Drs Soto, Sibai, Blackwell, and Chauhan)
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Langen ES, Schiller AJ, Moore K, Jiang C, Bourdeau A, Morgan DM, Low LK. Outcomes of Elective Induction of Labor at 39 Weeks from a Statewide Collaborative Quality Initiative. Am J Perinatol 2024; 41:e1281-e1287. [PMID: 36796400 DOI: 10.1055/s-0043-1761918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
Abstract
OBJECTIVE This article evaluates the impact of adopting a practice of elective induction of labor (eIOL) at 39 weeks among nulliparous, term, singleton, vertex (NTSV) pregnancies in a statewide collaborative. STUDY DESIGN We used data from a statewide maternity hospital collaborative quality initiative to analyze pregnancies that reached 39 weeks without a medical indication for delivery. We compared patients who underwent an eIOL versus those who experienced expectant management. The eIOL cohort was subsequently compared with a propensity score-matched cohort who were expectantly managed. The primary outcome was cesarean birth rate. Secondary outcomes included time to delivery and maternal and neonatal morbidities. Chi-square test, t-test, logistic regression, and propensity score matching methods were used for analysis. RESULTS In 2020, 27,313 NTSV pregnancies were entered into the collaborative's data registry. A total of 1,558 women underwent eIOL and 12,577 were expectantly managed. Women in the eIOL cohort were more likely to be ≥35 years old (12.1 vs. 5.3%, p < 0.001), identify as white non-Hispanic (73.9 vs. 66.8%, p < 0.001), and be privately insured (63.0 vs. 61.3%, p = 0.04). When compared with all expectantly managed women, eIOL was associated with a higher cesarean birth rate (30.1 vs. 23.6%, p < 0.001). When compared with a propensity score-matched cohort, eIOL was not associated with a difference in cesarean birth rate (30.1 vs. 30.7%, p = 0.697). Time from admission to delivery was longer for the eIOL cohort compared with the unmatched (24.7 ± 12.3 vs. 16.3 ± 11.3 hours, p < 0.001) and matched (24.7 ± 12.3 vs. 20.1 ± 12.0 hours, p < 0.001) cohorts. Expectantly managed women were less likely to have a postpartum hemorrhage (8.3 vs. 10.1%, p = 0.02) or operative delivery (9.3 vs. 11.4%, p = 0.029), whereas women who underwent an eIOL were less likely to have a hypertensive disorder of pregnancy (5.5 vs. 9.2%, p < 0.001). CONCLUSION eIOL at 39 weeks may not be associated with a reduced NTSV cesarean delivery rate. KEY POINTS · Elective IOL at 39 weeks may not be associated with a reduced NTSV cesarean delivery rate.. · The practice of elective induction of labor may not be equitably applied across birthing people.. · Further research is needed to identify best practices to support people undergoing labor induction..
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Affiliation(s)
- Elizabeth S Langen
- Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, Michigan
- The Obstetrics Initiative, Ann Arbor, Michigan
| | | | | | - Charley Jiang
- Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, Michigan
| | | | - Daniel M Morgan
- Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, Michigan
| | - Lisa Kane Low
- Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, Michigan
- The Obstetrics Initiative, Ann Arbor, Michigan
- School of Nursing Department of Health Behavior and Biological Sciences, University of Michigan, Ann Arbor, Michigan
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Kominiarek MA, Espinal M, Cassimatis IR, Peace JM, Premkumar A, Toledo P, Shramuk M, Wafford EQ. Peripartum interventions for people with class III obesity: a systematic review and meta-analysis. Am J Obstet Gynecol MFM 2024; 6:101354. [PMID: 38494155 DOI: 10.1016/j.ajogmf.2024.101354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 02/27/2024] [Accepted: 03/07/2024] [Indexed: 03/19/2024]
Abstract
OBJECTIVE This study aimed to identify evidence-based peripartum interventions for people with a body mass index ≥40 kg/m2. DATA SOURCES PubMed, MEDLINE, EMBASE, Cochrane, CINAHL, and ClinicalTrials.gov were searched from inception to 2022 without date, publication type, or language restrictions. STUDY ELIGIBILITY CRITERIA Cohort and randomized controlled trials that implemented an intervention and evaluated peripartum outcomes of people with a body mass index ≥40 kg/m2 were included. The primary outcome depended on the intervention but was commonly related to wound morbidity after cesarean delivery (ie, infection, separation, hematoma). METHODS Meta-analysis was completed for interventions with at least 2 studies. Pooled risk ratios with 95% confidence intervals and heterogeneity (I2 statistics) were reported. RESULTS Of 20,301 studies screened, 30 studies (17 cohort and 13 randomized controlled trials) encompassing 10 types of interventions were included. The interventions included delivery planning (induction of labor, planned cesarean delivery), antibiotics during labor induction or for surgical prophylaxis, 6 types of cesarean delivery techniques, and anticoagulation dosing after a cesarean delivery. Planned cesarean delivery compared with planned vaginal delivery did not improve outcomes according to 3 cohort studies. One cohort study compared 3 g with 2 g of cephazolin prophylaxis for cesarean delivery and found no differences in surgical site infections. According to 3 cohort studies and 2 randomized controlled trials, there was no improvement in outcomes with a non-low transverse skin incision. Ten studies (4 cohort and 6 randomized controlled trials) met the inclusion criteria for the meta-analysis. Two randomized controlled trials compared subcuticular closure with suture vs staples after cesarean delivery and found no differences in wound morbidity within 6 weeks of cesarean delivery (n=422; risk ratio, 1.09; 95% confidence interval, 0.75-1.59; I2=9%). Prophylactic negative-pressure wound therapy was compared with standard dressing in 4 cohort and 4 randomized controlled trials, which found no differences in wound morbidity (cohort n=2200; risk ratio, 1.19; 95% confidence interval, 0.88-1.63; I2=66.1%) or surgical site infections (randomized controlled trial n=1262; risk ratio, 0.90; 95% confidence interval, 0.63-1.29; I2=0). CONCLUSION Few studies address interventions in people with a body mass index ≥40 kg/m2, and most studies did not demonstrate a benefit. Either staples or suture are recommended for subcuticular closure, but available data do not support prophylactic negative-pressure wound therapy after cesarean delivery for people with a body mass index ≥40 kg/m2.
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Affiliation(s)
- Michelle A Kominiarek
- Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Northwestern University Feinberg School of Medicine, Chicago, IL (Drs Kominiarek and Espinal).
| | - Mariana Espinal
- Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Northwestern University Feinberg School of Medicine, Chicago, IL (Drs Kominiarek and Espinal)
| | - Irina R Cassimatis
- Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Oregon Health & Science University, Portland, OR (Dr Cassimatis)
| | - Jack M Peace
- Department of Anesthesiology, Lewis Katz School of Medicine at Temple University, Philadelphia, PA (Dr Peace)
| | - Ashish Premkumar
- Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, University of Chicago, Chicago, IL (Dr Premkumar)
| | - Paloma Toledo
- Department of Anesthesiology, University of Miami, Miami, FL (Dr Toledo)
| | - Maxwell Shramuk
- Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL (Mr Shramuk)
| | - Eileen Q Wafford
- Galter Health Sciences Library & Learning Center, Northwestern University Feinberg School of Medicine, Chicago, IL (Ms Wafford)
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Einerson BD, Allshouse AA, Sandoval G, Nelson RE, Esplin MS, Varner M, Grobman WA, Metz TD. Source of variation in cost of obstetrical care for low-risk nulliparas at term. Am J Obstet Gynecol 2024; 230:e99-e100. [PMID: 38191018 PMCID: PMC11070294 DOI: 10.1016/j.ajog.2023.12.041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Accepted: 12/29/2023] [Indexed: 01/10/2024]
Affiliation(s)
- Brett D Einerson
- Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, University of Utah Health, 30N 1900 East, Room 2B200, Salt Lake City, UT 84132; Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Intermountain Healthcare, Salt Lake City, UT.
| | - Amanda A Allshouse
- Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, UT
| | - Grecio Sandoval
- George Washington University Biostatistics Center, Washington, DC
| | - Richard E Nelson
- Division of Epidemiology, Department of Internal Medicine, University of Utah Health, Salt Lake City, UT; IDEAS Center, VA Salt Lake City Healthcare System, Salt Lake City, Utah
| | - M Sean Esplin
- Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, UT; Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Intermountain Healthcare, Salt Lake City, UT
| | - Michael Varner
- Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, UT; Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Intermountain Healthcare, Salt Lake City, UT
| | - William A Grobman
- Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, Northwestern University, Chicago, IL
| | - Torri D Metz
- Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, UT
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Al-Matary A, Alsharif SA, Bukhari IA, Baradwan S, Alshahrani MS, Khadawardi K, Badghish E, Albouq B, Baradwan A, Abuzaid M, Al-Jundy H, Alyousef A, Ragab WS, Abu-Zaid A. Cervical Osmotic Dilators versus Dinoprostone for Cervical Ripening during Labor Induction: A Systematic Review and Meta-analysis of 14 Controlled Trials. Am J Perinatol 2024; 41:e2034-e2046. [PMID: 37336231 DOI: 10.1055/s-0043-1770161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/21/2023]
Abstract
OBJECTIVE This study aimed to conduct a systematic review and meta-analysis of all randomized and nonrandomized controlled trials (RCTs and NCTs, respectively) that explored the maternal-neonatal outcomes of cervical osmotic dilators versus dinoprostone in promoting cervical ripening during labor induction. STUDY DESIGN Six major databases were screened until August 27, 2022. The quality of included studies was evaluated. The data were summarized as mean difference or risk ratio (RR) with 95% confidence interval (CI) in a random-effects model. RESULTS Overall, 14 studies with 15 arms were analyzed (n = 2,380 patients). Ten and four studies were RCTs and NCTs, respectively. The overall quality for RCTs varied (low risk n = 2, unclear risk n = 7, and high risk n = 1), whereas all NCTs had good quality (n = 4). For the primary endpoints, there was no significant difference between both groups regarding the rate of normal vaginal delivery (RR = 1.04, 95% CI: 0.95-1.14, p = 0.41) and rate of cesarean delivery (RR = 1.04, 95% CI: 0.93-1.17, p = 0.51). Additionally, there was no significant difference between both groups regarding the mean change in Bishop score and mean time from intervention to delivery. The rate of uterine hyperstimulation was significantly lower in the cervical osmotic dilator group. For the neonatal outcomes, during cervical ripening, the rate of fetal distress was significantly lower in the cervical osmotic dilator group. There was no significant difference between both groups regarding the mean Apgar scores, rate of meconium-stained amniotic fluid, rate of umbilical cord metabolic acidosis, rate of neonatal infection, and rate of neonatal intensive care unit admission. CONCLUSION During labor induction, cervical ripening with cervical osmotic dilators and dinoprostone had comparable maternal-neonatal outcomes. Cervical osmotic dilators had low risk of uterine hyperstimulation compared with dinoprostone. Overall, cervical osmotic dilators might be more preferred over dinoprostone in view of their analogous cervical ripening effects, comparable maternal-neonatal outcomes, and lack of drug-related adverse events. KEY POINTS · This is the first analysis of cervical osmotic dilators versus PGE2 for cervical ripening during labor.. · There was no difference between both arms regarding the rates of normal vaginal/cesarean deliveries.. · There was no difference between both arms regarding the rates of neonatal adverse events.. · Cervical osmotic dilators had significant lower risk of uterine hyperstimulation compared with PGE2.. · Cervical osmotic dilators may be superior to PGE2 in view of their similar efficacy and better safety..
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Affiliation(s)
| | - Saud A Alsharif
- Department of Obstetrics and Gynecology, College of Medicine, Prince Sattam Bin Abdulaziz University, Alkharj, Saudi Arabia
| | - Ibtihal A Bukhari
- Clinical Sciences Department, College of Medicine, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia
| | - Saeed Baradwan
- Department of Obstetrics and Gynecology, King Faisal Specialist Hospital and Research Center, Jeddah, Saudi Arabia
| | - Majed S Alshahrani
- Department of Obstetrics and Gynecology, Faculty of Medicine, Najran University, Najran, Saudi Arabia
| | - Khalid Khadawardi
- Department of Obstetrics and Gynecology, Faculty of Medicine, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Ehab Badghish
- Department of Obstetrics and Gynecology, Maternity and Children Hospital, Makkah, Saudi Arabia
| | - Bayan Albouq
- Department of Obstetrics and Gynecology, Prince Mohammed Bin Abdulaziz National Guard Hospital, Madinah, Saudi Arabia
| | - Afnan Baradwan
- Department of Obstetrics and Gynecology, Mediclinic Almurjan Hospital, Jeddah, Saudi Arabia
| | - Mohammed Abuzaid
- Department of Obstetrics and Gynecology, Muhayl General Hospital, Muhayl, Saudi Arabia
| | - Haifa Al-Jundy
- Department of Obstetrics and Gynecology, Dr. Sulaiman Al-Habib Hospital, Riyadh, Saudi Arabia
| | - Abdullah Alyousef
- Department of Obstetrics and Gynecology, College of Medicine, Almaarefa University, Riyadh, Saudi Arabia
| | - Wael S Ragab
- Department of Obstetrics and Gynecology, Faculty of Medicine, Fayoum University, Fayoum, Egypt
| | - Ahmed Abu-Zaid
- Department of Obstetrics and Gynecology, College of Medicine, Alfaisal University, Riyadh, Saudi Arabia
- Department Pharmacology, College of Graduate Health Sciences, University of Tennessee Health Science Center, Memphis, Tennessee
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Kawakita T, Saeed H, Huang JC. An Externally Validated Model to Predict Prolonged Induction of Labor with an Unfavorable Cervix. Am J Perinatol 2024; 41:e3140-e3146. [PMID: 37863073 DOI: 10.1055/a-2195-6063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/22/2023]
Abstract
OBJECTIVE To develop and externally validate a prediction model to calculate the likelihood of prolonged induction of labor (induction start to delivery time > 36 hours). STUDY DESIGN This was a retrospective cohort study of all nulliparous women with singleton pregnancies and vertex presentation at term who underwent induction of labor and had a vaginal delivery at a single academic center. Women with contraindications for vaginal delivery were excluded. Analyses were limited to women with unfavorable cervix (both simplified Bishop score [dilation, station, and effacement: range 0-9] <6 and cervical dilation <3 cm). Prolonged induction of labor was defined as the duration of induction (induction start time to delivery) longer than 36 hours. A backward stepwise logistic regression analysis was used to identify the factors associated with prolonged induction of labor by considering maternal characteristics and comorbidities as well as fetal conditions. The final model was validated using an external dataset of the Consortium on Safe Labor after applying the same inclusion and exclusion criteria. We developed a receiver observer characteristic curve with area under the curve (AUC) in validation cohorts. RESULTS Of 2,118 women, 364 (17%) had prolonged induction of labor. Factors associated with prolonged induction of labor included body mass index at admission, hypertension, fetal conditions, and epidural. Factors including younger maternal age, prelabor rupture of membranes, and a more favorable simplified Bishop score were associated with a decreased likelihood of prolonged induction of labor. In the external validation cohort, 4,418 women were analyzed, of whom 188 (4%) had prolonged induction of labor. The AUC of the final model was 0.76 (95% confidence interval: 0.73-0.80) for the external validation cohort. The online calculator was created and is available at: https://medstarapps.org/obstetricriskcalculator. CONCLUSION Our externally validated model was efficient in predicting prolonged induction of labor with an unfavorable cervix. KEY POINTS · The number of inductions of labor at 39 weeks' gestation and beyond has been increasing.. · Our model had a good prediction of prolonged induction of labor.. · An online calculator has been created and available..
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Affiliation(s)
- Tetsuya Kawakita
- Department of Obstetrics and Gynecology, Eastern Virginia Medical School, Norfolk, Virginia
| | - Haleema Saeed
- Department of Obstetrics and Gynecology, MedStar Washington Hospital Center, Washington, District of Columbia
| | - Jim C Huang
- Department of Business Management, National Sun Yat-Sen University, Kaohsiung, Taiwan
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Jaber S, Blanchard CT, Lu MY, Cozzi GD, Casey BM, Tita AT, Kim DJ, Szychowski JM, Subramaniam A. Contemporary Trends in Cesarean Delivery Rates and Indications. Am J Perinatol 2024; 41:e2026-e2033. [PMID: 37216971 DOI: 10.1055/a-2097-1958] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
OBJECTIVE This study aimed to describe cesarean delivery rates and indications at a single center in order to assess the impact of the guidelines published by the American College of Obstetricians and Gynecologists and the Society for Maternal-Fetal Medicine on trends in labor management. STUDY DESIGN This is a retrospective cohort study of patients ≥23 weeks' gestation delivering at a single tertiary care referral center from 2013 to 2018. Demographic characteristics, mode of delivery, and main indication for cesarean delivery were ascertained by individual chart review. Cesarean delivery indications (mutually exclusive) were the following: repeat cesarean delivery, nonreassuring fetal status, malpresentation, maternal indications (e.g., placenta previa or genital herpes simplex virus), failed labor (any stage labor arrest), or other (i.e., fetal anomaly and elective). Polynomial (cubic) regression models were used to model rates of cesarean delivery and indications over time. Subgroup analyses further examined trends in nulliparous women. RESULTS Of the 24,637 patients delivered during the study period, 24,050 were included in the analysis; 7,835 (32.6%) had a cesarean delivery. The rates of overall cesarean delivery were significantly different over time (p < 0.001), declining to a minimum of 30.9% in 2014 and peaking at 34.6% in 2018. With regard to the overall cesarean delivery indications, there were no significant differences over time. When limited to nulliparous patients, the rates of cesarean delivery were also noted to be significantly different over time (p = 0.02) nadiring at 30% in 2015 from 35.4% in 2013 and then rising up to 33.9% in 2018. As for nulliparous patients, there was no significant difference in primary cesarean delivery indications over time except for nonreassuring fetal status (p = 0.049). CONCLUSION Despite changes in labor management definitions and guidelines encouraging vaginal birth, the rates of overall cesarean delivery did not decrease over time. The indications for delivery, particularly failed labor, repeat cesarean delivery, and malpresentation have not significantly changed over time. KEY POINTS · The rates of overall cesarean deliveries did not decrease despite the 2014 published recommendations for the reduction in cesarean deliveries.. · There were no significant differences in the indications of cesarean deliveries among nulliparous or multiparous women.. · Despite the adoption of strategies to reduce the overall and primary cesarean delivery rates, these trends remain unchanged.. · Indications for delivery, particularly failed labor, repeat cesarean delivery, and malpresentation have also not significantly changed over time.. · Additional strategies to encourage and increase vaginal delivery rates must be adopted..
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Affiliation(s)
- Sara Jaber
- Department of Obstetrics and Gynecology, Beaumont Hospital Royal Oak, Royal Oak, Michigan
| | - Christina T Blanchard
- Center for Women's Reproductive Health, University of Alabama at Birmingham, Birmingham, Alabama
- Department of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Michelle Y Lu
- Center for Women's Reproductive Health, University of Alabama at Birmingham, Birmingham, Alabama
- Department of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Gabriella D Cozzi
- Center for Women's Reproductive Health, University of Alabama at Birmingham, Birmingham, Alabama
- Department of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Brian M Casey
- Center for Women's Reproductive Health, University of Alabama at Birmingham, Birmingham, Alabama
- Department of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Alan T Tita
- Center for Women's Reproductive Health, University of Alabama at Birmingham, Birmingham, Alabama
- Department of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Dhong-Jin Kim
- Center for Women's Reproductive Health, University of Alabama at Birmingham, Birmingham, Alabama
- Department of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Jeff M Szychowski
- Center for Women's Reproductive Health, University of Alabama at Birmingham, Birmingham, Alabama
- Department of Biostatistics, University of Alabama at Birmingham, Birmingham, Alabama
| | - Akila Subramaniam
- Center for Women's Reproductive Health, University of Alabama at Birmingham, Birmingham, Alabama
- Department of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, Alabama
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Bart Y, Meyer R, Moran O, Tsur A, Kassif E, Mohr-Sasson A, Hamilton E, Sivan E, Yinon Y, Mazaki-Tovi S, Yoeli R. Perinatal Outcome following the Suspension of Intrapartum Oxygen Treatment. Am J Perinatol 2024; 41:e1479-e1485. [PMID: 36894155 DOI: 10.1055/a-2051-4047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/11/2023]
Abstract
OBJECTIVE This study aimed to evaluate whether the suspension of intrapartum maternal oxygen supplementation for nonreassuring fetal heart rate is associated with adverse perinatal outcomes. STUDY DESIGN A retrospective cohort study, including all individuals that underwent labor in a single tertiary medical center. On April 16, 2020, the routine use of intrapartum oxygen for category II and III fetal heart rate tracings was suspended. The study group included individuals with singleton pregnancies that underwent labor during the 7 months between April 16, 2020, and November 14, 2020. The control group included individuals that underwent labor during the 7 months before April 16, 2020. Exclusion criteria included elective cesarean section, multifetal pregnancy, fetal death, and maternal oxygen saturation <95% during delivery. The primary outcome was defined as the rate of composite neonatal outcome, consisting of arterial cord pH <7.1, mechanical ventilation, respiratory distress syndrome, necrotizing enterocolitis, intraventricular hemorrhage grade 3/4, and neonatal death. The secondary outcome was the rate of cesarean and operative delivery. RESULTS The study group included 4,932 individuals, compared with 4,906 individuals in the control group. The suspension of intrapartum oxygen treatment was associated with a significant increase in the rate of composite neonatal outcome (187 [3.8%] vs. 120 [2.4%], p < 0.001), including the rate of abnormal cord arterial pH <7.1 (119 [2.4%] vs. 56 [1.1%], p < 0.01). A higher rate of cesarean section due to nonreassuring fetal heart rate was noted in the study group (320 [6.5%] vs. 268 [5.5%], p = 0.03).A logistic regression analysis revealed that the suspension of intrapartum oxygen treatment was independently associated with the composite neonatal outcome (adjusted odds ratio = 1.55 [95% confidence interval, 1.23-1.96]) while adjusting for suspected chorioamnionitis, intrauterine growth restriction, and recent coronavirus disease 2019 exposure. CONCLUSION Suspension of intrapartum oxygen treatment for nonreassuring fetal heart rate was associated with higher rates of adverse neonatal outcomes and urgent cesarean section due to fetal heart rate. KEY POINTS · The available data on intrapartum maternal oxygen supplementation are equivocal.. · Suspension of maternal oxygen for nonreassuring fetal heart rate during labor was associated with adverse neonatal outcomes.. · Oxygen treatment might still be important and relevant during labor..
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Affiliation(s)
- Yossi Bart
- Department of Obstetrics and Gynecology, Sheba Medical Center, Tel-Hashomer, Israel
| | - Raanan Meyer
- Department of Obstetrics and Gynecology, Sheba Medical Center, Tel-Hashomer, Israel
| | - Orit Moran
- Department of Obstetrics and Gynecology, Sheba Medical Center, Tel-Hashomer, Israel
| | - Abraham Tsur
- Department of Obstetrics and Gynecology, Sheba Medical Center, Tel-Hashomer, Israel
| | - Eran Kassif
- Department of Obstetrics and Gynecology, Sheba Medical Center, Tel-Hashomer, Israel
| | - Aya Mohr-Sasson
- Department of Obstetrics and Gynecology, Sheba Medical Center, Tel-Hashomer, Israel
| | - Emily Hamilton
- Department of Obstetrics and Gynecology, Sheba Medical Center, Tel-Hashomer, Israel
| | - Eyal Sivan
- Department of Obstetrics and Gynecology, Sheba Medical Center, Tel-Hashomer, Israel
| | - Yoav Yinon
- Department of Obstetrics and Gynecology, Sheba Medical Center, Tel-Hashomer, Israel
| | - Shali Mazaki-Tovi
- Department of Obstetrics and Gynecology, Sheba Medical Center, Tel-Hashomer, Israel
| | - Rakefet Yoeli
- Department of Obstetrics and Gynecology, Sheba Medical Center, Tel-Hashomer, Israel
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Carlhäll S, Alsweiler J, Battin M, Wilson J, Sadler L, Thompson JMD, Wise MR. Neonatal and maternal outcomes at early vs. full term following induction of labor; A secondary analysis of the OBLIGE randomized trial. Acta Obstet Gynecol Scand 2024; 103:955-964. [PMID: 38212889 PMCID: PMC11019511 DOI: 10.1111/aogs.14775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 12/17/2023] [Accepted: 12/20/2023] [Indexed: 01/13/2024]
Abstract
INTRODUCTION Birth at early term (37+0-38+6 completed gestational weeks [GW] and additional days) is associated with adverse neonatal outcomes compared with waiting to ≥39 GW. Most studies report outcomes after elective cesarean section or a mix of all modes of births; it is unclear whether these adverse outcomes apply to early-term babies born after induction of labor (IOL). We aimed to determine, in women with a non-urgent induction indication (elective/planned >48 h in advance), if IOL at early and late term was associated with adverse neonatal and maternal outcomes compared with IOL at full term. MATERIAL AND METHODS An observational cohort study as a secondary analysis of a multicenter randomized controlled trial of 1087 New Zealand women with a planned IOL ≥37+0 GW. Multivariable logistic regression was used to analyze neonatal and maternal outcomes in relation to gestational age; 37+0-38+6 (early term), 39+0-40+6 (full term) and ≥41+0 (late term) GW. Neonatal outcome analyses were adjusted for sex, birthweight, mode of birth and induction indication, and maternal outcome analyses for parity, age, body mass index and induction method. The primary neonatal outcome was admission to neonatal intensive care unit (NICU) for >4 hours; the primary maternal outcome was cesarean section. RESULTS Among the 1087 participants, 266 had IOL at early term, 480 at full term, and 341 at late term. Babies born following IOL at early term had increased odds for NICU admission for >4 hours (adjusted odds ratio [aOR] 2.16, 95% confidence intervals (CI) 1.16-4.05), compared with full term. Women having IOL at early term had no difference in emergency cesarean rates but had an increased need for a second induction method (aOR 1.70, 95% CI 1.15-2.51) and spent 4 h longer from start of IOL to birth (Hodges-Lehmann estimator 4.10, 95% CI 1.33-6.95) compared with those with IOL at full term. CONCLUSIONS IOL for a non-urgent indication at early term was associated with adverse neonatal and maternal outcomes and no benefits compared with IOL at full term. These findings support international guidelines to avoid IOL before 39 GW unless there is an evidence-based indication for earlier planned birth and will help inform women and clinicians in their decision-making about timing of IOL.
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Affiliation(s)
- Sara Carlhäll
- Department of Obstetrics and Gynaecology, Faculty of Medical and Health SciencesUniversity of AucklandAucklandNew Zealand
- Department of Obstetrics and Gynecology and Department of Biomedical and Clinical SciencesLinköping UniversityLinköpingSweden
| | - Jane Alsweiler
- Department of Paediatrics, Child and Youth Health, Faculty of Medical and Health SciencesUniversity of AucklandAucklandNew Zealand
| | - Malcolm Battin
- Department of Paediatrics, Child and Youth Health, Faculty of Medical and Health SciencesUniversity of AucklandAucklandNew Zealand
| | - Jessica Wilson
- Department of Obstetrics and Gynaecology, Faculty of Medical and Health SciencesUniversity of AucklandAucklandNew Zealand
- Department of Paediatrics, Child and Youth Health, Faculty of Medical and Health SciencesUniversity of AucklandAucklandNew Zealand
| | - Lynn Sadler
- Women's Health, Te Whatu Ora, Te Toka TumaiAucklandNew Zealand
| | - John M. D. Thompson
- Department of Obstetrics and Gynaecology, Faculty of Medical and Health SciencesUniversity of AucklandAucklandNew Zealand
- Department of Paediatrics, Child and Youth Health, Faculty of Medical and Health SciencesUniversity of AucklandAucklandNew Zealand
| | - Michelle R. Wise
- Department of Obstetrics and Gynaecology, Faculty of Medical and Health SciencesUniversity of AucklandAucklandNew Zealand
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Wilkie G, Leung K, Lauring J. Clinical Factors Associated with Intrapartum Presentation Change after Mechanical Cervical Ripening. Am J Perinatol 2024; 41:e1830-e1834. [PMID: 37100420 DOI: 10.1055/a-2081-2986] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/28/2023]
Abstract
OBJECTIVE The use of mechanical cervical ripening with balloon devices is common during induction of labor; however, there is risk for displacement of the fetal presenting part during its insertion. This study sought to investigate the clinical risk factors associated with an intrapartum presentation change from cephalic to noncephalic presentation after mechanical cervical ripening. STUDY DESIGN Data were obtained from the Consortium on Safe Labor, a multicenter retrospective study that abstracted detailed labor and delivery information from electronic medical records in 19 hospitals across the United States. All women with fetal cephalic confirmed position on admission undergoing induction of labor with mechanical cervical ripening were included. Women who had a cesarean delivery for noncephalic presentation were compared with women who had a vaginal delivery or cesarean delivery for other indications. Models were adjusted for nulliparity, multiple gestation, and gestational age. RESULTS A total of 3,462 women met inclusion criteria, with 1.3% (n = 46) having an intrapartum presentation change from cephalic to noncephalic presentation after mechanical cervical ripening. Those who had a cesarean delivery for an intrapartum presentation change were more likely to be nulliparous (82.6 vs. 65.4%, p = 0.01), less than 34 weeks' gestation (6.5 vs. 1.3%, p = 0.02), and have twins (6.5 vs. 1.2%, p = 0.02). In adjusted analysis, twins were associated with an increased odds of cesarean delivery for intrapartum presentation change (adjusted odds ratio [aOR]: 4.43; 95% confidence interval [CI]: 1.25-15.77), whereas multiparity reduced the odds (aOR: 0.38; 95% CI: 0.17-0.82). CONCLUSION Nulliparity and multifetal gestation are associated with a cesarean delivery for an intrapartum presentation change after mechanical cervical ripening. KEY POINTS · Intrapartum presentation change after mechanical cervical ripening is low at 1.3%.. · Nulliparity and multifetal gestation are associated with a cesarean delivery for presentation change.. · There were no significant differences in neonatal morbidity by delivery status to delivery type..
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Affiliation(s)
- Gianna Wilkie
- Department of Obstetrics and Gynecology, University of Massachusetts Chan Medical School, Worcester, Massachusetts
| | - Katherine Leung
- Department of Obstetrics and Gynecology, University of Massachusetts Chan Medical School, Worcester, Massachusetts
| | - Julianne Lauring
- Department of Obstetrics and Gynecology, University of Massachusetts Chan Medical School, Worcester, Massachusetts
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Fleenor RE, Harmon DT, Gazi M, Szychowski J, Harper LM, Tita ATN, Subramaniam A. Perinatal Morbidity in Healthy Obese Pregnant Individuals Delivered by Elective Repeat Cesarean at Term. Am J Perinatol 2024; 41:e1885-e1894. [PMID: 37216970 DOI: 10.1055/a-2096-7842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
OBJECTIVE This study aimed to compare the risks of adverse perinatal outcomes by body mass index (BMI) categories in healthy pregnant individuals delivered by term elective repeat cesarean (ERCD) to describe an optimal timing of delivery in otherwise healthy patients at the highest-risk BMI threshold. STUDY DESIGN A secondary analysis of a prospective cohort of pregnant individuals undergoing ERCD at 19 centers in the Maternal-Fetal Medicine Units Network from 1999 to 2002. Nonanomalous singletons undergoing prelabor ERCD at term were included. The primary outcome was composite neonatal morbidity; secondary outcomes included composite maternal morbidity and individual components of the composites. Patients were stratified by BMI classes and to identify a BMI threshold for which morbidity was the highest. Outcomes were then examined by completed week's gestation, between BMI classes. Multivariable logistic regression was used to calculate adjusted odds ratios (aOR) and 95% confidence intervals (CI). RESULTS A total of 12,755 patients were included in analysis. Patient's with BMI ≥ 40 had the highest rates of newborn sepsis, neonatal intensive care unit admissions, and wound complications. While a weight-related response was observed between BMI class and neonatal composite morbidity (p < 0.001), only those with BMI ≥ 40 had significantly higher odds of composite neonatal morbidity (aOR: 1.4, 95% CI: 1.0-1.8). In analyses of patients with BMI ≥ 40 (n = 1,848), there was no difference in the incidence of composite neonatal or maternal morbidity across weeks' gestation at delivery; however, as gestational age approached 39 to 40 weeks, rates of adverse neonatal outcomes decreased, only to increase again at 41 weeks' gestation. Of note, the odds of the primary neonatal composite were the highest at 38 weeks compared with 39 weeks (aOR: 1.5, 95% CI: 1.1-2.0). CONCLUSION Neonatal morbidity is significantly higher in pregnant individuals with BMI ≥40 delivering by ERCD. Despite this increased perinatal morbidity, delivery prior to 39 and after 41 weeks in these patients is associated with increased neonatal risks. KEY POINTS · Obese patients without additional comorbidities have higher rates of neonatal morbidity.. · Patients with BMI ≥ 40 carry the highest odds of poor perinatal outcomes.. · Earlier timing of delivery does not appear to reduce this risk..
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Affiliation(s)
- Rebecca E Fleenor
- Department of Obstetrics and Gynecology, Center for Women's Reproductive Health, University of Alabama at Birmingham, Birmingham, Alabama
| | - Duncan T Harmon
- Devision of Maternal-Fetal Medicine, St. Luke's Clinic, Maternal Fetal Medicine, Boise, Idaho
| | - Melissa Gazi
- Department of Neurology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Jeff Szychowski
- Department of Biostatistics, Center for Women's Reproductive Health, University of Alabama at Birmingham, Birmingham, Alabama
| | - Lorie M Harper
- Division of Maternal-Fetal Medicine, University of Texas Dell Medical School, Austin, Texas
| | - Alan T N Tita
- Department of Obstetrics and Gynecology, Center for Women's Reproductive Health, University of Alabama at Birmingham, Birmingham, Alabama
| | - Akila Subramaniam
- Division of Maternal-Fetal Medicine, University of Alabama at Birmingham Center for Women's Reproductive Health, University of Alabama at Birmingham, Birmingham, Alabama
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Kehl S. Obesity at term: What to consider? How to deliver? Arch Gynecol Obstet 2024; 309:1725-1733. [PMID: 38326633 DOI: 10.1007/s00404-023-07354-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Accepted: 12/17/2023] [Indexed: 02/09/2024]
Abstract
Obesity presents significant challenges during pregnancy, increasing the risk of complications and adverse outcomes for both mother and baby. With the rising prevalence of obesity among pregnant women, questions arise regarding optimal management, including timing of delivery and choice of delivery mode. Labour induction in obese women may require a combination of mechanical and pharmacological methods due to increased risk of failed induction. Caesarean section in obese women presents unique challenges, requiring comprehensive perioperative planning and specialized care to optimize outcomes. However, specific guidelines tailored to obese patients undergoing caesarean sections are lacking. Postpartum care should include vigilant monitoring for complications. Addressing obesity in pregnancy necessitates a multidisciplinary approach and specialized care to ensure the best outcomes.
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Affiliation(s)
- Sven Kehl
- Department of Obstetrics and Gynaecology, Erlangen University Hospital, Universitätsstr. 21-23, 91054, Erlangen, Germany.
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Bridges AG, Allshouse AA, Canfield DR, Grover BW, Son SL, Einerson BD, Silver RM, Haas DM, Grobman WA, Simhan HN, Day RC, Blue NR. Association of Prostaglandin Use for Cervical Ripening with Mode of Delivery in Small for Gestational Age versus Non-Small for Gestational Age Neonates. Am J Perinatol 2024; 41:e456-e464. [PMID: 35863371 DOI: 10.1055/a-1906-8919] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
OBJECTIVE Prostaglandins (PGs) use for cervical ripening with small for gestational age (SGA) fetuses is controversial since it remains uncertain if use increases the chance of cesarean delivery (CD). We aimed to assess the association between PG use for cervical ripening and mode of delivery between SGA and appropriate for gestational age (AGA) neonates. STUDY DESIGN Secondary analysis of the Nulliparous Pregnancy Outcomes Study: Monitoring Mothers-to-Be (nuMoM2b), a prospective observational cohort study of 10,038 nulliparas. We included women undergoing induction with nonanomalous fetuses in the cephalic presentation. Women with >2 cm cervical dilation or prior uterine scar were excluded. We assessed the association of PG use with CD among women with SGA and AGA neonates. SGA was defined as birth weight <10th percentile for gestational age and sex. Multivariable logistic regression was used to adjust for potential confounders and test for interaction. Secondary outcomes included adverse neonatal outcomes, indication for CD, maternal hemorrhage, and chorioamnionitis. RESULTS Among 2,353 women eligible, PGs were used in 54.8%, SGA occurred in 15.1%, and 35.0% had CD. The association between PG use and CD differed significantly (interaction p = 0.018) for SGA versus AGA neonates; CD occurred more often in SGA neonates exposed to PGs than not (35 vs. 22%, p = 0.009). PG use was not associated with CD among AGA neonates (36 vs. 36%, p = 0.8). This effect remained significant when adjusting for body mass index, race/ethnicity, and cervical dilation. Among SGA neonates, CD for "nonreassuring fetal status" was similar between PG groups. Among SGA neonates, PG use was not associated with adverse neonatal outcomes or postpartum hemorrhage but had a higher rate of chorioamnionitis (7.0 vs. 2.1%, p = 0.048). CONCLUSION PG use was associated with a higher rate of CD in SGA but not AGA neonates; however, further studies are needed before PG use is discouraged with SGA neonates. KEY POINTS · PGs are commonly used for cervical ripening.. · PG use was associated with increased risk of cesarean delivery in SGA neonates.. · PG use was not associated with adverse neonatal outcomes..
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Affiliation(s)
- Alexis G Bridges
- Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, Utah
- Department of Obstetrics and Gynecology, Intermountain Healthcare, Salt Lake City, Utah
| | - Amanda A Allshouse
- Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, Utah
| | - Dana R Canfield
- Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, Utah
- Department of Obstetrics and Gynecology, Intermountain Healthcare, Salt Lake City, Utah
| | - Bryan W Grover
- University of Utah School of Medicine, Salt Lake City, Utah
| | - Shannon L Son
- Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, Utah
- Department of Obstetrics and Gynecology, Intermountain Healthcare, Salt Lake City, Utah
| | - Brett D Einerson
- Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, Utah
- Department of Obstetrics and Gynecology, Intermountain Healthcare, Salt Lake City, Utah
| | - Robert M Silver
- Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, Utah
- Department of Obstetrics and Gynecology, Intermountain Healthcare, Salt Lake City, Utah
| | - David M Haas
- Department of Obstetrics and Gynecology, Indiana University, Indianapolis, Indiana
| | - William A Grobman
- Department of Obstetrics and Gynecology, Northwestern University, Chicago, Illinois
| | - Hyagriv N Simhan
- Department of Obstetrics and Gynecology, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Robert C Day
- Department of Obstetrics and Gynecology, University of California-Irvine, Irvine, California
| | - Nathan R Blue
- Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, Utah
- Department of Obstetrics and Gynecology, Intermountain Healthcare, Salt Lake City, Utah
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Badr DA, Cannie MM, Kadji C, Kang X, Carlin A, Jani JC. Reducing macrosomia-related birth complications in primigravid women: ultrasound- and magnetic resonance imaging-based models. Am J Obstet Gynecol 2024; 230:557.e1-557.e8. [PMID: 37827273 DOI: 10.1016/j.ajog.2023.10.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 10/05/2023] [Accepted: 10/06/2023] [Indexed: 10/14/2023]
Abstract
BACKGROUND Many complications increase with macrosomia, which is defined as birthweight of ≥4000 g. The ability to estimate when the fetus would exceed 4000 g could help to guide decisions surrounding the optimal timing of delivery. To the best of our knowledge, there is no available tool to perform this estimation independent of the currently available growth charts. OBJECTIVE This study aimed to develop ultrasound- and magnetic resonance imaging-based models to estimate at which gestational age the birthweight would exceed 4000 g, evaluate their predictive performance, and assess the effect of each model in reducing adverse outcomes in a prospectively collected cohort. STUDY DESIGN This study was a subgroup analysis of women who were recruited for the estimation of fetal weight by ultrasound and magnetic resonance imaging at 36 0/7 to 36 6/7 weeks of gestation. Primigravid women who were eligible for normal vaginal delivery were selected. Multiparous patients, patients with preeclampsia spectrum, patients with elective cesarean delivery, and patients with contraindications for normal vaginal delivery were excluded. Of note, 2 linear models were built for the magnetic resonance imaging- and ultrasound-based models to predict a birthweight of ≥4000 g. Moreover, 2 formulas were created to predict the gestational age at which birthweight will reach 4000 g (predicted gestational age); one was based on the magnetic resonance imaging model, and the second one was based on the ultrasound model. This study compared the adverse birth outcomes, such as intrapartum cesarean delivery, operative vaginal delivery, anal sphincter injury, postpartum hemorrhage, shoulder dystocia, brachial plexus injury, Apgar score of <7 at 5 minutes of life, neonatal intensive care unit admission, and intracranial hemorrhage in the group of patients who delivered after the predicted gestational age according to the magnetic resonance imaging-based or the ultrasound-based models with those who delivered before the predicted gestational age by each model, respectively. RESULTS Of 2378 patients, 732 (30.8%) were eligible for inclusion in the current study. The median gestational age at birth was 39.86 weeks of gestation (interquartile range, 39.00-40.57), the median birthweight was 3340 g (interquartile range, 3080-3650), and 63 patients (8.6%) had a birthweight of ≥4000 g. Prepregnancy body mass index, geographic origin, gestational age at birth, and fetal body volume were retained for the optimal magnetic resonance imaging-based model, whereas maternal age, gestational diabetes mellitus, diabetes mellitus type 1 or 2, geographic origin, fetal gender, gestational age at birth, and estimated fetal weight were retained for the optimal ultrasound-based model. The performance of the first model was significantly better than the second model (area under the curve: 0.98 vs 0.89, respectively; P<.001). The group of patients who delivered after the predicted gestational age by the first model (n=40) had a higher risk of cesarean delivery, postpartum hemorrhage, and shoulder dystocia (adjusted odds ratio: 3.15, 4.50, and 9.67, respectively) than the group who delivered before this limit. Similarly, the group who delivered after the predicted gestational age by the second model (n=25) had a higher risk of cesarean delivery and postpartum hemorrhage (adjusted odds ratio: 5.27 and 6.74, respectively) than the group who delivered before this limit. CONCLUSION The clinical use of magnetic resonance imaging- and ultrasound-based models, which predict a gestational age at which birthweight will exceed 4000 g, may reduce macrosomia-related adverse outcomes in a primigravid population. The magnetic resonance imaging-based model is better for the identification of the highest-risk patients.
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Affiliation(s)
- Dominique A Badr
- Department of Obstetrics and Gynecology, University Hospital Brugmann, Université Libre de Bruxelles, Brussels, Belgium
| | - Mieke M Cannie
- Department of Radiology, University Hospital Brugmann, Université Libre de Bruxelles, Brussels, Belgium; Department of Radiology, University Hospital Brussels, Vrije Universiteit Brussel, Brussels, Belgium
| | - Caroline Kadji
- Department of Obstetrics and Gynecology, University Hospital Brugmann, Université Libre de Bruxelles, Brussels, Belgium
| | - Xin Kang
- Department of Obstetrics and Gynecology, University Hospital Brugmann, Université Libre de Bruxelles, Brussels, Belgium
| | - Andrew Carlin
- Department of Obstetrics and Gynecology, University Hospital Brugmann, Université Libre de Bruxelles, Brussels, Belgium
| | - Jacques C Jani
- Department of Obstetrics and Gynecology, University Hospital Brugmann, Université Libre de Bruxelles, Brussels, Belgium.
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van Tintelen AMG, Jansen DEMC, Bolt SH, Warmelink JC, Verhoeven CJ, Henrichs J. The Association Between Unintended Pregnancy and Perinatal Outcomes in Low-Risk Pregnancies: A Retrospective Registry Study in the Netherlands. J Midwifery Womens Health 2024. [PMID: 38659281 DOI: 10.1111/jmwh.13634] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Revised: 01/31/2024] [Indexed: 04/26/2024]
Abstract
INTRODUCTION People with unintended pregnancies might be at increased risk of adverse perinatal outcomes due to structural factors, distress, or delayed prenatal care. Existing studies addressing this association yielded inconsistent findings. Using contemporary data from a large Dutch midwifery care registry, we investigated the association between unintended pregnancy ending in birth and neonatal outcomes, parental morbidity, and obstetric interventions. We extend previous research by exploring whether delayed initiation of prenatal care mediates these associations. METHOD This study used data (N = 9803) from a Dutch nationally representative registry of people with low-risk pregnancies receiving primary midwife-led care in the Netherlands between 2012 and 2020. Using logistic (mediation) regression analyses adjusted for potential confounders we investigated associations between unintended pregnancy and neonatal outcomes (low Apgar score, small for gestational age, and prematurity), parental morbidity (hypertension and gestational diabetes mellitus), and obstetric interventions (induction of labor, pain medication, assisted vaginal birth, and cesarean birth) and whether delayed initiation of prenatal care mediated these associations. RESULTS Unintended pregnancies were associated with increased odds of low Apgar scores (odds ratio [OR], 1.68; 95% CI, 1.09 -2.59), preterm birth (OR, 1.27; 95% CI, 1.02-1.58), small for gestational age (OR, 1.19; 95% CI, 1.00-1.41), and induction of labor (OR, 1.14; 95% CI, 1.01-1.28). Conversely, unintended pregnancy was associated with a decreased odds of cesarean birth (OR, 0.83; 95% CI, 0.71-0.97). The timing of prenatal care initiation did not mediate any of these associations. DISCUSSION Our findings suggest that people in primary midwifery-led care with unintended pregnancies ending in birth are at increased risk for adverse perinatal health outcomes and that structural factors might underlie this link. Health care professionals and policy makers should attend to their own biases and offer nonjudgmental, tailored preventive preconception care and antenatal care strategies for people with higher vulnerabilities.
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Affiliation(s)
- Amke M G van Tintelen
- Department of Primary and Long-Term Care, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
- Midwifery Academy Amsterdam Groningen, Inholland, Groningen, the Netherlands
- Midwifery Science, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
| | - Danielle E M C Jansen
- Department of Primary and Long-Term Care, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
- Department of Sociology and Interuniversity Center for Social Science Theory and Methodology, University of Groningen, Groningen, the Netherlands
- University Center for Child and Adolescent Psychiatry, Accare, Groningen, the Netherlands
| | - Sophie H Bolt
- Research Department, Fiom, 's-Hertogenbosch, the Netherlands
| | - J Catja Warmelink
- Department of Primary and Long-Term Care, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
- Midwifery Academy Amsterdam Groningen, Inholland, Groningen, the Netherlands
- Midwifery Science, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
| | - Corine J Verhoeven
- Department of Primary and Long-Term Care, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
- Midwifery Academy Amsterdam Groningen, Inholland, Groningen, the Netherlands
- Midwifery Science, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
- Division of Midwifery School of Health Sciences, University of Nottingham, Queen's Medical Centre, Nottingham, United Kingdom
| | - Jens Henrichs
- Department of Primary and Long-Term Care, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
- Midwifery Academy Amsterdam Groningen, Inholland, Groningen, the Netherlands
- Midwifery Science, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
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Nace MC, Delotte J, Gauci PA. Comparative study of second-line labor induction methods in patients with unfavorable cervix after first-line low-dose oral misoprostol. Int J Gynaecol Obstet 2024. [PMID: 38655718 DOI: 10.1002/ijgo.15552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 01/29/2024] [Accepted: 04/06/2024] [Indexed: 04/26/2024]
Abstract
OBJECTIVE The present study aimed to evaluate low-dose oral misoprostol induction, and compare different methods used in second-line induction in patients with a Bishop score less than 6. METHODS This retrospective study analyzed the medical history and courses of pregnancy of all patients induced with first-line of low-dose oral misoprostol (50 μg every 4 h with a total of 200 μg/24 h) from April 2021 to June 2022 in a university hospital center, and reported outcomes according to the second-line method of induction. RESULTS Among 437 labor inductions with low-dose oral misoprostol, 120 patients required a second-line induction. Predictive factors of first-line failure were higher body mass index (P = 0.011), absence of premature rupture of membranes (P = 0.021) and earlier term of pregnancy (P < 0.001). Regarding second methods of induction of labor, time from induction to delivery was shorter in the oxytocin group than the dinoprostone and misoprostol groups (24.0 vs. 41 and 51.0 h, respectively; P < 0.001), and was also significantly shorter in the dinoprostone than the misoprostol group (P = 0.048). Cesarean section rates did not differ between the three groups (P = 0.651). There were no clinically significant differences in adverse events between the groups. CONCLUSION Normal body mass index, previous rupture of membranes and later term of induction of labor were the three favoring success factors during first-line oral misoprostol. In cases of a Bishop score <6, oxytocin may be the best option to reduce duration to delivery, with the same maternal-fetal outcomes, including a similar rate of vaginal delivery.
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Affiliation(s)
- Marie-Cécile Nace
- Department of Obstetrics and Gynecology, Reproduction and Fetal Medicine, CHU de Nice, University of Côte d'Azur, Nice, France
| | - Jérôme Delotte
- Department of Obstetrics and Gynecology, Reproduction and Fetal Medicine, CHU de Nice, University of Côte d'Azur, Nice, France
| | - Pierre-Alexis Gauci
- Department of Obstetrics and Gynecology, Reproduction and Fetal Medicine, CHU de Nice, University of Côte d'Azur, Nice, France
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Watters A, Ekpe E, Okafor A, Donelan E. Patient Perspectives on Outpatient versus Inpatient Cervical Ripening for Induction of Labor. Am J Perinatol 2024. [PMID: 38569508 DOI: 10.1055/a-2298-5166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/05/2024]
Abstract
OBJECTIVE Our objective was to compare patient perceived control and experience with outpatient versus inpatient cervical ripening. STUDY DESIGN This is a retrospective mixed-methods analysis of a quality improvement initiative focused on the impact to patients of incorporating outpatient cervical ripening into routine practice. Postpartum inpatients who had elected for outpatient cervical ripening (outpatients) and those who met criteria for outpatient cervical ripening but opted for an inpatient setting (inpatients) were invited to participate in the study. Patients completed the Perceived Control in Childbirth Scale, and scores were compared between outpatient and inpatient groups using Mann-Whitney U test. In addition, semistructured questions elicited feedback prior to hospital discharge, and these qualitative data were analyzed using iterative thematic analysis. RESULTS The study population consisted of 36 outpatients and 38 inpatients. The median score on the Perceived Control in Childbirth Scale was 69 for outpatients and 67 for inpatients (p-value = 0.49), out of a maximum score of 72 (representing the highest level of perceived control). Both groups reported similarly high levels of perceived control, regardless of cervical ripening setting. In the qualitative analysis, pain was the most common theme in both groups. Inpatients reported more distress despite access to stronger pain medications. Outpatients utilized a variety of distraction techniques and expressed gratitude for their setting more than inpatients. CONCLUSION Outpatient cervical ripening can be a patient-centered solution to obstetric throughput challenges arising from increased numbers of inductions. Those who underwent outpatient cervical ripening had similar perceived control to those who underwent inpatient cervical ripening, suggesting that individual patient preferences are most important in determining the optimal setting for care. The patients' reported experiences identified focus areas for process improvement efforts and future research, including improving patient education regarding expectations and innovating new pain management strategies for cervical ripening. KEY POINTS · Patient experiences must inform patient-centered care.. · Perceived control with cervical ripening was high.. · Pain with cervical ripening was the most cited theme..
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Affiliation(s)
- Amber Watters
- Department of Obstetrics and Gynecology, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Etoroabasi Ekpe
- Department of Obstetrics and Gynecology, Northwestern University Feinberg School of Medicine, Chicago, Illinois
- Department of Obstetrics and Gynecology, University of Toronto, Toronto, Illinois
| | - Annette Okafor
- Department of Obstetrics and Gynecology, Northwestern University Feinberg School of Medicine, Chicago, Illinois
- University of Illinois College of Medicine, Chicago, Illinois
| | - Emily Donelan
- Department of Obstetrics and Gynecology, Northwestern University Feinberg School of Medicine, Chicago, Illinois
- Department of Obstetrics and Gynecology, Dartmouth Hitchcock Medical Center, Lebanon, New Hampshire
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Lerner Y, Peled T, Priner Adler S, Rotem R, Sela HY, Grisaru-Granovsky S, Rottenstreich M. Induction of labor in term pregnancies with isolated polyhydramnios: Is it beneficial or harmful? Int J Gynaecol Obstet 2024. [PMID: 38581215 DOI: 10.1002/ijgo.15527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 03/12/2024] [Accepted: 03/24/2024] [Indexed: 04/08/2024]
Abstract
OBJECTIVE To compare rates of adverse pregnancy outcomes in term pregnancies complicated by polyhydramnios between women who had induction of labor (IOB) versus women who had expectant management. METHODS This multicenter retrospective study included term pregnancies complicated by isolated polyhydramnios. Patients who underwent IOB were compared with those who had expectant management. The primary outcome was defined as a composite adverse maternal outcome, and secondary outcomes were various maternal and neonatal adverse outcomes. Univariate analyses were followed by multivariate logistic regression. RESULTS A total of 865 pregnancies with term isolated polyhydramnios were included: 169 patients underwent IOB (19.5%), while 696 had expectant management and developed spontaneous onset of labor (80.5%). Women who underwent IOB had significantly higher rates of composite adverse maternal outcome (23.1% vs 9.8%, P < 0.01), prolonged hospital stay, perineal tear grade 3/4, intrapartum cesarean, postpartum hemorrhage, blood products transfusion, and neonatal asphyxia compared with expectant management. While the perinatal fetal death rate was similar between the groups (0.6% vs 0.6%, P = 0.98), the timing of the loss was different. Four women in the expectant management group had a stillbirth, while in the induction group one case of intrapartum fetal death occurred due to uterine rupture. Multivariate analyses revealed that IOB was associated with a higher rate of composite adverse maternal outcome (adjusted odds ratio, 2.22 [95% CI, 1.28-3.83]; P < 0.01). CONCLUSION IOB in women with term isolated polyhydramnios is associated with higher rates of adverse maternal outcomes in comparison to expectant management. Further research is needed to determine the optimal approach for the management of isolated polyhydramnios at term.
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Affiliation(s)
- Yael Lerner
- Department of Obstetrics & Gynecology, Shaare Zedek Medical Center, Affiliated with the Hebrew University School of Medicine, Jerusalem, Israel
| | - Tzuria Peled
- Department of Obstetrics & Gynecology, Shaare Zedek Medical Center, Affiliated with the Hebrew University School of Medicine, Jerusalem, Israel
| | - Shira Priner Adler
- Department of Obstetrics & Gynecology, Shaare Zedek Medical Center, Affiliated with the Hebrew University School of Medicine, Jerusalem, Israel
| | - Reut Rotem
- Department of Obstetrics & Gynecology, Shaare Zedek Medical Center, Affiliated with the Hebrew University School of Medicine, Jerusalem, Israel
| | - Hen Y Sela
- Department of Obstetrics & Gynecology, Shaare Zedek Medical Center, Affiliated with the Hebrew University School of Medicine, Jerusalem, Israel
| | - Sorina Grisaru-Granovsky
- Department of Obstetrics & Gynecology, Shaare Zedek Medical Center, Affiliated with the Hebrew University School of Medicine, Jerusalem, Israel
| | - Misgav Rottenstreich
- Department of Obstetrics & Gynecology, Shaare Zedek Medical Center, Affiliated with the Hebrew University School of Medicine, Jerusalem, Israel
- Department of Nursing, Jerusalem College of Technology, Jerusalem, Israel
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50
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Oyelese Y. Randomized controlled trials: not always the "gold standard" for evidence in obstetrics and gynecology. Am J Obstet Gynecol 2024; 230:417-425. [PMID: 37838101 DOI: 10.1016/j.ajog.2023.10.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2023] [Revised: 09/20/2023] [Accepted: 10/07/2023] [Indexed: 10/16/2023]
Abstract
Randomized controlled trials are considered the "gold standard" for therapeutic interventions, and it is not uncommon for sweeping changes in medical practice to follow positive results from such trials. However, randomized controlled trials are not without their limitations. Physicians frequently view randomized controlled trials as infallible, whereas they tend to dismiss evidence derived from sources other than randomized controlled trials as less credible or reliable. In several situations in obstetrics and gynecology, there are no randomized controlled trials to help guide the clinician. In these circumstances, it is important to evaluate the entire body of evidence including observational studies, rather than dismiss interventions altogether simply because no randomized controlled trials exist. Randomized controlled trials and observational studies should be viewed as complementary rather than at odds with each other. Some reversals in widely adopted clinical practice have recently been implemented following subsequent studies that contradicted the outcomes of major randomized controlled trials. The most notable of these was the withdrawal from the market of 17-hydroxyprogesterone caproate for preterm birth prevention. Such reversals could potentially have been averted if the inherent limitations of randomized controlled trials were carefully considered before implementing these universal practice changes. This Clinical Opinion underscores the limitations of an exclusive reliance on randomized controlled trials while disregarding other evidence in determining how best to care for patients. Solutions are proposed that advocate that clinicians adopt a more balanced perspective that considers the entirety of the available medical evidence and the individual patient characteristics, needs, and wishes.
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Affiliation(s)
- Yinka Oyelese
- Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA; Maternal Fetal Care Center, Boston Children's Hospital, Harvard Medical School, Boston, MA.
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