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Celikkan C, Ibanoglu MC, Engin-Ustun Y. Use of Shock Index, Modified Shock Index, and Age-Adjusted Shock Index for Detection of Postpartum Hemorrhage. Z Geburtshilfe Neonatol 2024; 228:370-376. [PMID: 38838714 DOI: 10.1055/a-2322-1861] [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: 06/07/2024]
Abstract
PURPOSE The aim of this study is to evaluate the role of shock index (SI), modified shock index (MSI), and delta shock index (ΔSI) in predicting postpartum hemorrhage (PPH) and adverse maternal outcomes. MATERIAL AND METHODS In this cross-sectional cohort study, a study group consisting of 416 pregnant women who delivered at our hospital and had postpartum hemorrhage was compared with 467 control patients with normal follow-up. SI (pulse/systolic blood pressure), MSI (pulse/mean arterial pressure), ΔSI (input SI - 2nd- or 6th-hour SI) values were calculated. RESULTS A total of 883 postpartum women were included in the study. The study group had higher peripartum, 2nd-hour, and 6th-hour SI values (p=0.011, p=0.001, p<0.001, respectively). Peripartum MSI values (p=0.004), 2nd-hour MSI values (p<0.001), and 6th-hour MSI values (p<0.001) were significantly lower in the control group than in the PPH group. When the groups were evaluated, the cut-off value of the 2nd-hour SI parameter was>0.8909 (sensitivity 30%, specificity 84%), and the 6th-hour SI parameter was>0.8909 (sensitivity 40%, specificity 80%) for predicting postpartum hemorrhage requiring blood transfusion and surgical intervention. The cut-off value of the 2nd-hour MSI parameter was>1.2 (sensitivity 34%, specificity 82%), and the cut-off value of the 6th-hour MSI parameter was>1.2652 (sensitivity 32%, specificity 90%). CONCLUSION The 2nd- and 6th-hour SI and 2nd- and 6th-hour MSI values were significantly higher in patients with postpartum hemorrhage. Values greater than 0.89 for SI and 1.2 for MSI were considered significant for predicting postpartum hemorrhage with maternal impairment.
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Affiliation(s)
- Cagla Celikkan
- Obstetrics and Gynecology, Ankara Etlik Zübeyde Hanım Kadın Hastalıkları Eğitim ve Araştırma Hastanesi, Ankara, Turkey
| | - Mujde Can Ibanoglu
- Obstetrics and Gynecology, Etlik İhtisas Eğitim ve Araştırma Hastanesi, Ankara, Turkey
- Obstetrics and Gynecology, Ankara Şehir Hastanesi Üniversiteler Mahallesi, Ankara, Turkey
| | - Yaprak Engin-Ustun
- Obstetrics and Gynecology, Ankara Etlik Zübeyde Hanım Kadın Hastalıkları Eğitim ve Araştırma Hastanesi, Ankara, Turkey
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Mappa I, Masturzo B, Ghi T, Rizzo G. Current practice of ultrasound in the management of postpartum hemorrhage: a secondary analysis of a national survey. J Perinat Med 2024; 0:jpm-2024-0231. [PMID: 39089009 DOI: 10.1515/jpm-2024-0231] [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: 05/18/2024] [Accepted: 07/07/2024] [Indexed: 08/03/2024]
Abstract
OBJECTIVES Although frequently employed in the delivery room, current guidelines do not recommend the use of ultrasound in the setting of postpartum hemorrhage (PPH). The aim of this survey was to evaluate the routine use of ultrasonography during PPH. METHODS A questionnaire, composed by a series of questions that assess participant characteristics and ultrasound use during PPH, was sent to members of the Italian Society of Ultrasound in Obstetrics and Gynecology currently employed in obstetrical units. Answers were subsequently grouped based on participant characteristics. RESULTS Based on the responses of 200 participants it was found that ultrasound was routinely employed by 67 % of participants during PPH, by 85 % if Retained Products of Conception (RPOC) was suspected, by 67 % during Bakri balloon placement and by 69 % during curettage procedures. Routine ultrasound use was higher amongst participants working in hospitals with a higher number of deliveries, by those with more years of experience using ultrasound in labor, and by those that had attended specific postgraduate training courses. CONCLUSIONS Despite the lack of recommendations in the current guidelines, the results of this survey show that ultrasound seems to be commonly employed by maternal fetal medicine practitioners in the management of PPH.
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Affiliation(s)
- Ilenia Mappa
- Department of Obstetrics and Gynecology, Fondazione Policlinico di Tor Vergata, 9318 University of Rome Tor Vergata , Rome, Italy
| | - Bianca Masturzo
- Department of Obstetrics and Gynecology Ospedale di Biella, Biella, Italy
| | - Tullio Ghi
- Department of Medicine and Surgery, Obstetrics and Gynecology Unit, University of Parma, Parma, Italy
| | - Giuseppe Rizzo
- Department of Maternal and Child Health and Urological Sciences, Sapiemza University of Rome, Rome, Italy
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Takahashi R, Sakai Y, Kinoshita M, Matsumoto Y, Nakaji Y, Tanaka K. Quantitative and calculated estimated blood loss in cesarean deliveries for twin and singleton pregnancies: a retrospective analysis. J Anesth 2024:10.1007/s00540-024-03370-0. [PMID: 38963564 DOI: 10.1007/s00540-024-03370-0] [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: 02/21/2024] [Accepted: 06/20/2024] [Indexed: 07/05/2024]
Abstract
PURPOSE This study retrospectively assessed blood loss during cesarean deliveries for twin and singleton pregnancies using two distinct methods, quantitative estimation measured during cesarean sections and hematocrit-based calculated estimation. METHODS We included scheduled cesarean deliveries for twin or singleton pregnancies at ≥ 34 weeks of gestation. Quantitative blood loss was recorded based on the blood volume in the graduated collector bottle and by weighing the blood-soaked textiles during cesarean sections. The blood loss was calculated using the change in hematocrit levels before and after the cesarean delivery. RESULTS We evaluated 403 cases including 44 twins and 359 singletons. Quantitative blood loss during cesarean section was significantly higher in twin pregnancies than that in singleton pregnancies (1117 [440] vs 698 [378] mL; p < 0.001). However, no significant differences were observed in the calculated blood loss between the two groups on the day after delivery (487 mL [692 mL] vs 507 mL [522 mL]; p = 0.861). On post-delivery days 4-5, twin pregnancies were associated with a significantly higher calculated blood loss than singleton pregnancies (725 [868] mL vs 444 [565] mL, p = 0.041). Although a significant moderate correlation between quantitative and calculated blood loss was observed in singleton pregnancies (r = 0.473, p < 0.001), no significant correlation was observed between twin pregnancies (r = 0.053, p = 0.735). CONCLUSION Quantitative blood loss measurements during cesarean section may be clinically insufficient in twin pregnancies. Incorporating blood tests and continuous assessments are warranted for enhanced blood loss evaluation, especially in twin pregnancies, owing to the risk of persistent bleeding.
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Affiliation(s)
- Rikako Takahashi
- Department of Anesthesiology, Tokushima University Hospital, 2-50-1 Kuramoto-cho, Tokushima-shi, Tokushima, 770-8503, Japan
| | - Yoko Sakai
- Division of Anesthesiology, Tokushima University Hospital, 2-50-1 Kuramoto-cho, Tokushima-shi, Tokushima, 770-8503, Japan
| | - Michiko Kinoshita
- Department of Anesthesiology, Tokushima University Hospital, 2-50-1 Kuramoto-cho, Tokushima-shi, Tokushima, 770-8503, Japan.
| | - Yako Matsumoto
- Department of Anesthesiology, Tokushima University Hospital, 2-50-1 Kuramoto-cho, Tokushima-shi, Tokushima, 770-8503, Japan
| | - Yoshimi Nakaji
- Department of Anesthesiology, Tokushima University Hospital, 2-50-1 Kuramoto-cho, Tokushima-shi, Tokushima, 770-8503, Japan
| | - Katsuya Tanaka
- Department of Anesthesiology, Tokushima University Hospital, 2-50-1 Kuramoto-cho, Tokushima-shi, Tokushima, 770-8503, Japan
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Okunade KS, Ugwu AO, Adenekan MA, Olumodeji A, Oshodi YA, Ojo T, Adejimi AA, Ademuyiwa IY, Adaramoye V, Okoro AC, Olowe A, Akinmola OO, John-Olabode SO, Adelabu H, Henriquez R, Decroo T, Lynen L. Development of antepartum risk prediction model for postpartum hemorrhage in Lagos, Nigeria: A prospective cohort study (Predict-PPH study). Int J Gynaecol Obstet 2024; 166:343-352. [PMID: 38234155 DOI: 10.1002/ijgo.15364] [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: 09/23/2023] [Accepted: 12/26/2023] [Indexed: 01/19/2024]
Abstract
OBJECTIVES There is currently a limited ability to accurately identify women at risk of postpartum hemorrhage (PPH). We conducted the "Predict-PPH" study to develop and evaluate an antepartum prediction model and its derived risk-scoring system. METHODS This was a prospective cohort study of healthy pregnant women who registered and gave birth in five hospitals in Lagos, Nigeria, from January to June 2023. Maternal antepartum characteristics were compared between women with and without PPH. A predictive multivariable model was estimated using binary logistic regression with a backward stepwise approach eliminating variables when P was greater than 0.10. Statistically significant associations in the final model were reported when P was less than 0.05. RESULTS The prevalence of PPH in the enrolled cohort was 37.1%. Independent predictors of PPH such as maternal obesity (adjusted odds ratio [aOR] 3.25, 95% confidence interval [CI] 2.47-4.26), maternal anemia (aOR 1.32, 95% CI 1.02-1.72), previous history of cesarean delivery (aOR 4.24, 95% CI 3.13-5.73), and previous PPH (aOR 2.65, 95% CI 1.07-6.56) were incorporated to develop a risk-scoring system. The area under the receiver operating characteristic curve (AUROC) for the prediction model and risk scoring system was 0.72 (95% CI 0.69-0.75). CONCLUSION We recorded a relatively high prevalence of PPH. Our model performance was satisfactory in identifying women at risk of PPH. Therefore, the derived risk-scoring system could be a useful tool to screen and identify pregnant women at risk of PPH during their routine antenatal assessment for birth preparedness and complication readiness.
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Affiliation(s)
- Kehinde S Okunade
- Department of Obstetrics and Gynaecology, Lagos University Teaching Hospital, Surulere, Lagos, Nigeria
- Department of Obstetrics and Gynaecology, College of Medicine, University of Lagos, Surulere, Lagos, Nigeria
- Center for Clinical Trials, Research and Implementation Science, College of Medicine, University of Lagos, Surulere, Lagos, Nigeria
| | - Aloy O Ugwu
- Department of Obstetrics and Gynaecology, Nigerian Army Reference Hospital, Yaba, Lagos, Nigeria
| | - Muisi A Adenekan
- Department of Obstetrics and Gynaecology, Lagos Island Maternity Hospital, Lagos Island, Lagos, Nigeria
| | - Ayokunle Olumodeji
- Department of Obstetrics and Gynaecology, Lagos State University Teaching Hospital, Ikeja, Lagos, Nigeria
| | - Yusuf A Oshodi
- Department of Obstetrics and Gynaecology, Lagos State University Teaching Hospital, Ikeja, Lagos, Nigeria
| | - Temitope Ojo
- Department of Obstetrics and Gynaecology, Federal Medical Center, Ebute-Meta, Lagos, Nigeria
| | - Adebola A Adejimi
- Department of Community Health and Primary Care, College of Medicine, University of Lagos, Surulere, Lagos, Nigeria
| | - Iyabo Y Ademuyiwa
- Department of Nursing Science, College of Medicine, University of Lagos, Surulere, Lagos, Nigeria
| | - Victoria Adaramoye
- Department of Obstetrics and Gynaecology, Lagos University Teaching Hospital, Surulere, Lagos, Nigeria
| | - Austin C Okoro
- Department of Obstetrics and Gynaecology, Lagos University Teaching Hospital, Surulere, Lagos, Nigeria
| | - Atinuke Olowe
- Department of Nursing Science, College of Medicine, University of Lagos, Surulere, Lagos, Nigeria
| | - Olukayode O Akinmola
- Department of Haematology and Blood Transfusion, College of Medicine, University of Lagos, Surulere, Lagos, Nigeria
| | - Sarah O John-Olabode
- Department of Chemical Pathology, Lagos University Teaching Hospital, Surulere, Lagos, Nigeria
| | - Hameed Adelabu
- Center for Clinical Trials, Research and Implementation Science, College of Medicine, University of Lagos, Surulere, Lagos, Nigeria
| | - Rodrigo Henriquez
- Department of Clinical Sciences, Institute of Tropical Medicine, Antwerpen, Belgium
| | - Tom Decroo
- Department of Clinical Sciences, Institute of Tropical Medicine, Antwerpen, Belgium
| | - Lutgarde Lynen
- Department of Clinical Sciences, Institute of Tropical Medicine, Antwerpen, Belgium
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Makwe CC, Okunade KS. Conservative approaches to postpartum haemorrhage. Best Pract Res Clin Obstet Gynaecol 2024; 95:102516. [PMID: 38902107 DOI: 10.1016/j.bpobgyn.2024.102516] [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: 02/06/2024] [Revised: 03/21/2024] [Accepted: 06/12/2024] [Indexed: 06/22/2024]
Abstract
Postpartum haemorrhage (PPH) and PPH-related deaths are disproportionately higher in low-income countries, with sub-Saharan Africa and Southern Asia accounting for approximately 85% of the global burden of PPH-related maternal deaths. Although PPH-related mortality is directly related to the amount and duration of bleeding, the high maternal death burden in resource-limited countries suggests that a great majority of these deaths would be avoidable with the appropriate resources and effective use of evidence-based interventions. Non-surgical management is often the first-line approach for PPH, but conservative surgical interventions may be required if bleeding persists or if the underlying cause is not responsive to the initial conservative measures. The appropriate interventions should be selected based on the individual's specific circumstances and clinical condition.
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Affiliation(s)
- Christian Chigozie Makwe
- Department of Obstetrics & Gynaecology, College of Medicine University of Lagos, Nigeria; Department of Obstetrics & Gynaecology, Lagos University Teaching Hospital, Nigeria.
| | - Kehinde Sharafadeen Okunade
- Department of Obstetrics & Gynaecology, College of Medicine University of Lagos, Nigeria; Department of Obstetrics & Gynaecology, Lagos University Teaching Hospital, Nigeria
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Latt SM, Opondo C, Alderdice F, Kurinczuk JJ, Rowe R. Postpartum haemorrhage and risk of cardiovascular disease in later life: A population-based record linkage cohort study. BJOG 2024. [PMID: 38946538 DOI: 10.1111/1471-0528.17896] [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: 04/03/2024] [Revised: 06/04/2024] [Accepted: 06/12/2024] [Indexed: 07/02/2024]
Abstract
OBJECTIVE To investigate the association between postpartum haemorrhage (PPH) and subsequent cardiovascular disease. DESIGN Population-based retrospective cohort study, using record linkage between Aberdeen Maternity and Neonatal Databank (AMND) and Scottish healthcare data sets. SETTING Grampian region, Scotland. POPULATION A cohort of 70 904 women who gave birth after 24 weeks of gestation in the period 1986-2016. METHODS We used extended Cox regression models to investigate the association between having had one or more occurrences of PPH in any (first or subsequent) births (exposure) and subsequent cardiovascular disease, adjusted for sociodemographic, medical, and pregnancy and birth-related factors. MAIN OUTCOME MEASURES Cardiovascular disease identified from the prescription of selected cardiovascular medications, hospital discharge records or death from cardiovascular disease. RESULTS In our cohort of 70 904 women (with 124 795 birth records), 25 177 women (36%) had at least one PPH. Compared with not having a PPH, having at least one PPH was associated with an increased risk of developing cardiovascular disease, as defined above, in the first year after birth (adjusted hazard ratio, aHR 1.96; 95% confidence interval, 95% CI 1.51-2.53; p < 0.001). The association was attenuated over time, but strong evidence of increased risk remained at 2-5 years (aHR 1.19, 95% CI 1.11-1.30, P < 0.001) and at 6-15 years after giving birth (aHR 1.17, 95% CI 1.05-1.30, p = 0.005). CONCLUSIONS Compared with women who have never had a PPH, women who have had at least one episode of PPH are twice as likely to develop cardiovascular disease in the first year after birth, and some increased risk persists for up to 15 years.
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Affiliation(s)
- Su Mon Latt
- National Perinatal Epidemiology Unit, Nuffield Department of Population Health, University of Oxford, Oxford, UK
- Department of Women and Children's Health, Faculty of Life Sciences and Medicine, King's College London, London, UK
| | - Charles Opondo
- National Perinatal Epidemiology Unit, Nuffield Department of Population Health, University of Oxford, Oxford, UK
- Department of Medical Statistics, Faculty of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, London, UK
| | - Fiona Alderdice
- National Perinatal Epidemiology Unit, Nuffield Department of Population Health, University of Oxford, Oxford, UK
| | - Jennifer J Kurinczuk
- National Perinatal Epidemiology Unit, Nuffield Department of Population Health, University of Oxford, Oxford, UK
| | - Rachel Rowe
- National Perinatal Epidemiology Unit, Nuffield Department of Population Health, University of Oxford, Oxford, UK
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Neef V, Meybohm P, Zacharowski K, Kranke P. Current concepts in the use of cell salvage in obstetrics. Curr Opin Anaesthesiol 2024; 37:213-218. [PMID: 38391030 PMCID: PMC11062610 DOI: 10.1097/aco.0000000000001337] [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] [Indexed: 02/24/2024]
Abstract
PURPOSE OF REVIEW The worldwide leading cause of maternal death is severe maternal hemorrhage. Maternal hemorrhage can be profound leading to an entire loss of blood volume. In the past two decades, Patient Blood Management has evolved to improve patient's care and safety. In surgeries with increased blood loss exceeding 500 ml, the use of cell salvage is strongly recommended in order to preserve the patient's own blood volume and to minimize the need for allogeneic red blood cell (RBC) transfusion. In this review, recent evidence and controversies of the use of cell salvage in obstetrics are discussed. RECENT FINDINGS Numerous medical societies as well as national and international guidelines recommend the use of cell salvage during maternal hemorrhage. SUMMARY Intraoperative cell salvage is a strategy to maintain the patient's own blood volume and decrease the need for allogeneic RBC transfusion. Historically, cell salvage has been avoided in the obstetric population due to concerns of iatrogenic amniotic fluid embolism (AFE) or induction of maternal alloimmunization. However, no definite case of AFE has been reported so far. Cell salvage is strongly recommended and cost-effective in patients with predictably high rates of blood loss and RBC transfusion, such as women with placenta accreta spectrum disorder. However, in order to ensure sufficient practical experience in a multiprofessional obstetric setting, liberal use of cell salvage appears advisable.
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Affiliation(s)
- Vanessa Neef
- Goethe University Frankfurt, University Hospital, Department of Anesthesiology, Intensive Care Medicine and Pain Therapy
| | - Patrick Meybohm
- University Hospital Würzburg, Department of Anaesthesiology, Intensive Care, Emergency and Pain Medicine, Würzburg, Germany
| | - Kai Zacharowski
- Goethe University Frankfurt, University Hospital, Department of Anesthesiology, Intensive Care Medicine and Pain Therapy
| | - Peter Kranke
- University Hospital Würzburg, Department of Anaesthesiology, Intensive Care, Emergency and Pain Medicine, Würzburg, Germany
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Wang T, Li H, Liu Y, Min X. Quantitative blood loss measurement methods for early detection of primary postpartum haemorrhage following vaginal birth: A scoping review. J Clin Nurs 2024. [PMID: 38764248 DOI: 10.1111/jocn.17216] [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] [Received: 11/13/2023] [Revised: 03/09/2024] [Accepted: 05/07/2024] [Indexed: 05/21/2024]
Abstract
AIM To map the commonly used quantitative blood loss measurement methods in clinical practice and provide a solid foundation for future studies. DESIGN AND METHOD This study adhered to the JBI methodology for scoping reviews and preferred reporting items for systematic reviews and meta-analyses extension for scoping reviews. We conducted a literature search using five databases to retrieve articles published between January 2012 and September 2022. The search was repeated on 29 February 2024. Data extraction and verification were carried out by two independent researchers using a self-designed data extraction form. RESULTS Ultimately, 26 studies published between 2012 and 2024 were considered eligible for inclusion. Six categories of methods were identified from the 26 articles. Among the included studies, only two involved randomized controlled trials, with the majority being observational studies. The World Health Organization (2012) version of the postpartum haemorrhage diagnostic criteria was predominantly used in most studies. Gravimetric and volumetric methods emerged as the most commonly used methods for quantifying postpartum haemorrhages. The timing of blood collection was inconsistent among the included studies. Only 12 studies mentioned measures for the management of amniotic fluid. CONCLUSIONS This scoping review supports the replacement of the visual estimation of blood loss with quantitative assessment methods. Supporting a specific assessment approach is not feasible due to the variability of the study. Future research should focus on establishing the best practices for specific quantitative methods to standardize the management of postpartum haemorrhage and reduce the incidence of postpartum haemorrhage-related adverse outcomes. RELEVANCE TO CLINICAL PRACTICE Healthcare professionals need to acknowledge the low accuracy of visual estimation methods and implement quantitative methods to assess postpartum blood loss. Given the limitations inherent in each assessment method, quantification of blood loss should be combined with assessment of maternal vital signs, physiologic indicators and other factors.
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Affiliation(s)
- Tong Wang
- Department of Nursing, The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- School of Nursing, Shanghai Jiao Tong University, Shanghai, China
| | - Hong Li
- Department of Nursing, The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- School of Nursing, Shanghai Jiao Tong University, Shanghai, China
| | - Ying Liu
- Delivery Unit, Shanghai First Maternity and Infant Hospital, Tongji University, Shanghai, China
| | - Xiongkuo Min
- School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai, China
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Alcaraz-Vidal L, Velasco I, Pascual M, I Gomez RG, Escuriet R, Comas C. First alongside midwifery led unit in a high complexity public hospital in Spain: Maternal and neonatal outcomes. Women Birth 2024; 37:101577. [PMID: 38296744 DOI: 10.1016/j.wombi.2024.01.003] [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: 07/14/2023] [Revised: 12/23/2023] [Accepted: 01/08/2024] [Indexed: 02/02/2024]
Abstract
PROBLEM Midwifery led units are rare in Spain. BACKGROUND Midwife-Led Care (MLC) is a widely extended model of care and, within this, the alongside midwifery-led units (AMLU) are those hospital-based and located in close connection with obstetric units. In Spain, CL is the first center belonging to the National Health System of these characteristics. AIM To evaluate the first year of activity of this pioneering unit. METHODS An observational cross-sectional study was carried out to assess maternal and neonatal outcomes of births facilitated at CL by comparing with those births that fulfilled the criteria to be admitted at the AMLU but were assisted at the standard obstetric care unit of the hospital. FINDINGS 174 (20,3%) women and birthing people decided to give birth at CL, whereas 684 (79,7%) gave birth at the Obstetric Unit of the Hospital. Women assisted at the AMLU had lower intervention rates (episiotomy, epidural analgesia) and a higher rate of breastfeeding practice. There were no statistical differences in maternal outcomes (postpartum hemorrhage, third-or-four-degree laceration) or neonatal outcomes (Apgar< 7 at 5 min; birth weight < 2500 gr; macrosomia; shoulder dystocia, neonatal care transfer). DISCUSSION There were differences in transfers from MLU to OU between nulliparous and multiparous; the main reason for transfer is the request for analgesia. Epidural analgesia should be considered when analyzing maternal outcomes. CONCLUSION An alongside midwifery-led unit is a safe option with a low incidence of complications. This model of care can be positively implemented at the Public Healthcare System.
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Affiliation(s)
- Lucía Alcaraz-Vidal
- Department of Gender and Social Determinants in Health, Sevilla University. Sevilla. Spain; Department of Obstetrics and Gynecology, University Hospital Germans Trias i Pujol, Badalona, Spain; Research Group on Sexual and Reproductive Healthcare (GRASSIR) (2021-SGR-01489), 08007 Barcelona, Spain
| | - Inés Velasco
- Department of Obstetrics and Gynecology, University Hospital Germans Trias i Pujol, Badalona, Spain; Institute for Health Science Research Germans Trias i Pujol (IGTP), Badalona, Spain.
| | - Montse Pascual
- Management of Organization and Management Systems, Metropolitana North Region. Catalan Health Institute, Barcelona. Spain
| | - Roser Gol I Gomez
- Research Group on Sexual and Reproductive Healthcare (GRASSIR) (2021-SGR-01489), 08007 Barcelona, Spain; Primary Care Management in Sexual and Reproductive Healthcare, Metropolitana North Region, Catalan Health Institute, Barcelona. Spain
| | - Ramón Escuriet
- Head of the Affective, Sexual and Reproductive Health Plan of the Ministry of Health, Government of Catalonia, Spain; Global Health, Gender and Society Research Group, Facultat de Ciències de la Salut Blanquerna, Universitat Ramon Llull, Barcelona, Spain
| | - Carmina Comas
- Department of Obstetrics and Gynecology, University Hospital Germans Trias i Pujol, Badalona, Spain
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10
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Okunade KS, Adejimi AA, Olumodeji AM, Olowe A, Oyedeji OA, Ademuyiwa IY, Adelabu H, Toks-Omage E, Okoro AC, Davies N, Adenekan MA, Ojo T, Rabiu KA, Oshodi YA, Ugwu AO, Olowoselu FO, Akinmola OO, Olamijulo JA, Oluwole AA. Prenatal anaemia and risk of postpartum haemorrhage: a cohort analysis of data from the Predict-PPH study. BMC Public Health 2024; 24:1028. [PMID: 38609913 PMCID: PMC11015669 DOI: 10.1186/s12889-024-18446-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Accepted: 03/26/2024] [Indexed: 04/14/2024] Open
Abstract
BACKGROUND Most previous clinical studies investigating the connection between prenatal anaemia and postpartum haemorrhage (PPH) have reported conflicting results. OBJECTIVES We examined the association between maternal prenatal anaemia and the risk of PPH in a large cohort of healthy pregnant women in five health institutions in Lagos, Southwest Nigeria. METHODS This was a prospective cohort analysis of data from the Predict-PPH study that was conducted between January and June 2023. The study enrolled n = 1222 healthy pregnant women giving birth in five hospitals in Lagos, Nigeria. The study outcome, WHO-defined PPH, is postpartum blood loss of at least 500 milliliters. We used a multivariable logistic regression model with a backward stepwise conditional approach to examine the association between prenatal anaemia of increasing severity and PPH while adjusting for confounding factors. RESULTS Of the 1222 women recruited to the Predict-PPH study between January and June 2023, 1189 (97·3%) had complete outcome data. Up to 570 (46.6%) of the enrolled women had prenatal anaemia while 442 (37.2%) of those with complete follow-up data had WHO-defined PPH. After controlling for potential confounding factors, maternal prenatal anaemia was independently associated with PPH (adjusted odds ratio = 1.37, 95% confidence interval: 1.05-1.79). However, on the elimination of interaction effects of coexisting uterine fibroids and mode of delivery on this association, a sensitivity analysis yielded a lack of significant association between prenatal anaemia and PPH (adjusted odds ratio = 1.27, 95% confidence interval: 0.99-1.64). We also recorded no statistically significant difference in the median postpartum blood loss in women across the different categories of anaemia (P = 0.131). CONCLUSION Our study revealed that prenatal anaemia was not significantly associated with PPH. These findings challenge the previously held belief of a suspected link between maternal anaemia and PPH. This unique evidence contrary to most previous studies suggests that other factors beyond prenatal anaemia may contribute more significantly to the occurrence of PPH. This highlights the importance of comprehensive assessment and consideration of various maternal health factors in predicting and preventing this life-threatening obstetric complication.
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Affiliation(s)
- Kehinde S Okunade
- Department of Obstetrics & Gynaecology, College of Medicine, University of Lagos, PMB 12003, Lagos, Nigeria.
- Department of Obstetrics & Gynaecology, Lagos University Teaching Hospital, Lagos, Nigeria.
- Centre for Clinical Trials, Research and Implementation Science, College of Medicine, University of Lagos, Surulere, Lagos, Nigeria.
| | - Adebola A Adejimi
- Department of Community Health & Primary Care, College of Medicine, University of Lagos, Surulere, Lagos, Nigeria
| | - Ayokunle M Olumodeji
- Department of Obstetrics & Gynaecology, Lagos State University Teaching Hospital, Ikeja, Lagos, Nigeria
| | - Atinuke Olowe
- Department of Nursing Science, College of Medicine, University of Lagos, Surulere, Lagos, Nigeria
| | - Olufemi A Oyedeji
- Department of Haematology and Blood Transfusion, College of Medicine, University of Lagos, Lagos, Nigeria
| | - Iyabo Y Ademuyiwa
- Department of Nursing Science, College of Medicine, University of Lagos, Surulere, Lagos, Nigeria
| | - Hameed Adelabu
- Centre for Clinical Trials, Research and Implementation Science, College of Medicine, University of Lagos, Surulere, Lagos, Nigeria
| | - Eselobu Toks-Omage
- Faculty of Basic Medical Sciences, College of Medicine, University of Lagos, Surulere, Lagos, Nigeria
| | - Austin C Okoro
- Department of Obstetrics & Gynaecology, Lagos University Teaching Hospital, Lagos, Nigeria
| | - Nosimot Davies
- Department of Haematology and Blood Transfusion, College of Medicine, University of Lagos, Lagos, Nigeria
| | - Muisi A Adenekan
- Department of Obstetrics & Gynaecology, Lagos Island Maternity Hospital, Lagos Island, Nigeria
| | - Temitope Ojo
- Department of Obstetrics & Gynaecology, Federal Medical Center, Ebute-Meta, Lagos, Nigeria
| | - Kabiru A Rabiu
- Department of Obstetrics & Gynaecology, Lagos State University Teaching Hospital, Ikeja, Lagos, Nigeria
| | - Yusuf A Oshodi
- Department of Obstetrics & Gynaecology, Lagos State University Teaching Hospital, Ikeja, Lagos, Nigeria
| | - Aloy O Ugwu
- Department of Obstetrics & Gynaecology, 68 Nigerian Army Reference Hospital, Yaba, Lagos, Nigeria
| | - Festus O Olowoselu
- Department of Haematology and Blood Transfusion, College of Medicine, University of Lagos, Lagos, Nigeria
| | - Olukayode O Akinmola
- Department of Chemical Pathology, Lagos University Teaching Hospital, Surulere, Lagos, Nigeria
| | - Joseph A Olamijulo
- Department of Obstetrics & Gynaecology, College of Medicine, University of Lagos, PMB 12003, Lagos, Nigeria
- Department of Obstetrics & Gynaecology, Lagos University Teaching Hospital, Lagos, Nigeria
| | - Ayodeji A Oluwole
- Department of Obstetrics & Gynaecology, College of Medicine, University of Lagos, PMB 12003, Lagos, Nigeria
- Department of Obstetrics & Gynaecology, Lagos University Teaching Hospital, Lagos, Nigeria
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de Vries P, Deneux-Tharaux C, Caram-Deelder C, Goffinet F, Henriquez D, Seco A, van der Bom J, van den Akker T. Severe postpartum hemorrhage and the risk of adverse maternal outcome: A comparative analysis of two population-based studies in France and the Netherlands. Prev Med Rep 2024; 40:102665. [PMID: 38435415 PMCID: PMC10907197 DOI: 10.1016/j.pmedr.2024.102665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Revised: 02/14/2024] [Accepted: 02/20/2024] [Indexed: 03/05/2024] Open
Abstract
Objectives Among women with severe PPH (sPPH) in France and the Netherlands, we compared incidence of adverse maternal outcome (major obstetric hemorrhage (≥2.5L blood loss) and/or hysterectomy and/or mortality) by mode of delivery. Second, we compared use and timing of resuscitation and transfusion management, second-line uterotonics and uterine-sparing interventions (intra-uterine tamponade, compression sutures, vascular ligation, arterial embolization) by mode of delivery. Methods Secondary analysis of two population-based studies of women with sPPH in France and the Netherlands. Women were selected by a harmonized definition for sPPH: (total blood loss ≥ 1500 ml) AND (blood transfusion of ≥ 4 units packed red blood cells and/or multicomponent blood transfusion). Findings Incidence of adverse maternal outcome after vaginal birth was 793/1002, 9.1 % in the Netherlands versus 88/214, 41.1 % in France and 259/342, 76.2% versus 160/270, 59.3% after cesarean. Hemostatic agents such as fibrinogen were administered less frequently (p < 0.001) in the Netherlands (vaginal birth: 83/1002, 8.3% versus 105/2014, 49.5% in France; cesarean: 47/342, 13.7% and 152/270, 55.6%). Second-line uterotonics were started significantly later after PPH-onset in the Netherlands than France (vaginal birth: 46 versus 25 min; cesarean: 45 versus 18 min). Uterine-sparing interventions were less frequently (p < 0.001) applied in the Netherlands after vaginal birth (394/1002,39.3 %, 134/214, 62.6%) and cesarean (133/342, 38.9 % and 155/270, 57.4%), all initiated later after onset of refractory PPH in the Netherlands. Interpretation Incidence of adverse maternal outcome was higher among women with sPPH in the Netherlands than France regardless mode of birth. Possible explanatory mechanisms are earlier and more frequent use of second-line uterotonics and uterine-sparing interventions in France compared to the Netherlands.
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Affiliation(s)
- P.L.M. de Vries
- Department of Obstetrics, Leiden University Medical Centre, Leiden, The Netherlands
- Port-Royal Maternity Unit, Cochin Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - C. Deneux-Tharaux
- Université Paris Cité, Inserm, Obstetrical, Perinatal and Paediatric Epidemiology Research Team (Epopé), CRESS UMR 1153, Paris, France
| | - C. Caram-Deelder
- Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, The Netherlands
| | - F. Goffinet
- Port-Royal Maternity Unit, Cochin Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
- Université Paris Cité, Inserm, Obstetrical, Perinatal and Paediatric Epidemiology Research Team (Epopé), CRESS UMR 1153, Paris, France
| | - D.D.C.A. Henriquez
- Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, The Netherlands
| | - A. Seco
- Clinical Research Unit Necker Cochin, APHP, Paris, France
| | - J.G. van der Bom
- Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, The Netherlands
| | - T. van den Akker
- Department of Obstetrics, Leiden University Medical Centre, Leiden, The Netherlands
- Athena Institute, VU University, Amsterdam, The Netherlands
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Thomas TK, Umeokonkwo CD, Sesay HW, Adewuyi P, Babalola OJ, Wachekwa I, Amo-Addae MP. Maternal mortality review in a major tertiary referral hospital in Liberia, 2018-2021. Heliyon 2024; 10:e28001. [PMID: 38560688 PMCID: PMC10979222 DOI: 10.1016/j.heliyon.2024.e28001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 03/08/2024] [Accepted: 03/11/2024] [Indexed: 04/04/2024] Open
Abstract
Objectives Anecdotal evidence showed increased maternal deaths at the major tertiary hospital over the past two years (2020-2021). We reviewed the maternal death audit data, identified the main causes of maternal death, and associated risk factors. Findings were shared with policymakers to help reduce maternal mortality. Study design We conducted a secondary data review and descriptive analysis of maternal death at the tertiary hospital located in Monrovia. Method The maternal death data were extracted from patient medical records, including death certificates and maternal audit records. The record of live births was obtained from the delivery register. Data were analyzed using Epi Info version 7.2 Maternal mortality ratio (MMR) was estimated, the leading direct and indirect causes of maternal death were identified, and the factors associated with maternal death were explored using logistic regression at a 5% level of significance. Results There are a total of 233 maternal deaths and 14, 879 live births giving a maternal mortality ratio (MMR) of 1565 per 100,000 live births during the period under review. The median age of the mothers at death was 29 (14-45) years. About 40.3% (94/233) of cases died within <1 day of admission, referrals accounted for 59% (137/233) of the cases. Direct causes of death accounted for 66% (147/223). Hemorrhage [30.6% (45/147)], Eclampsia [(30/147) 20.6%] and Sepsis [(30/147) 20.6%] were the main direct causes of death while cardiovascular-related [18.4% (14/76)] and HIV/AIDS [16% (12/76)] were the leading indirect cause of death. Patients from referred other facilities were 7.9 times more likely to die as compared to non-referral (pOR:7.9, 95%CI: 5.9-10.6, p < 0.001). Conclusion The maternal mortality ratio remained high. Referrals were done late. The Liberia Ministry of Health should equip more secondary-level health facilities and tertiary hospitals to handle maternal emergencies and sensitize the populace and healthcare workers on prompt identification and referral of obstetric emergencies. The MoH also needs to improve the blood transfusion services to help in the management of postpartum hemorrhage.
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Affiliation(s)
- Tete K Thomas
- Liberia Field Epidemiology Training Program, Liberia
- John F. Kennedy Medical Center, Monrovia, Liberia
| | | | - Himiede W Sesay
- Liberia Field Epidemiology Training Program, Liberia
- African Field Epidemiology Network, Monrovia, Liberia
| | - Peter Adewuyi
- Liberia Field Epidemiology Training Program, Liberia
- African Field Epidemiology Network, Monrovia, Liberia
| | - Obafemi J Babalola
- Liberia Field Epidemiology Training Program, Liberia
- African Field Epidemiology Network, Monrovia, Liberia
| | - Ian Wachekwa
- John F. Kennedy Medical Center, Monrovia, Liberia
| | - Maame P Amo-Addae
- Liberia Field Epidemiology Training Program, Liberia
- African Field Epidemiology Network, Monrovia, Liberia
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Hersh AR, Carroli G, Hofmeyr GJ, Garg B, Gülmezoglu M, Lumbiganon P, De Mucio B, Saleem S, Festin MPR, Mittal S, Rubio-Romero JA, Chipato T, Valencia C, Tolosa JE. Third stage of labor: evidence-based practice for prevention of adverse maternal and neonatal outcomes. Am J Obstet Gynecol 2024; 230:S1046-S1060.e1. [PMID: 38462248 DOI: 10.1016/j.ajog.2022.11.1298] [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: 06/06/2022] [Revised: 11/22/2022] [Accepted: 11/23/2022] [Indexed: 03/12/2024]
Abstract
The third stage of labor is defined as the time period between delivery of the fetus through delivery of the placenta. During a normal third stage, uterine contractions lead to separation and expulsion of the placenta from the uterus. Postpartum hemorrhage is a relatively common complication of the third stage of labor. Strategies have been studied to mitigate the risk of postpartum hemorrhage, leading to the widespread implementation of active management of the third stage of labor. Initially, active management of the third stage of labor consisted of a bundle of interventions including administration of a uterotonic agent, early cord clamping, controlled cord traction, and external uterine massage. However, the effectiveness of these interventions as a bundle has been questioned, leading to abandonment of some components in recent years. Despite this, upon review of selected international guidelines, we found that the term "active management of the third stage of labor" was still used, but recommendations for and against individual interventions were variable and not necessarily supported by current evidence. In this review, we: (1) examine the physiology of the third stage of labor, (2) present evidence related to interventions that prevent postpartum hemorrhage and promote maternal and neonatal health, (3) review current global guidelines and recommendations for practice, and (4) propose future areas of investigation. The interventions in this review include pharmacologic agents to prevent postpartum hemorrhage, cord clamping, cord milking, cord traction, cord drainage, early skin-to-skin contact, and nipple stimulation. Treatment of complications of the third stage of labor is outside of the scope of this review. We conclude that current evidence supports the use of effective pharmacologic postpartum hemorrhage prophylaxis, delayed cord clamping, early skin-to-skin contact, and controlled cord traction at delivery when feasible. The most effective uterotonic regimens for preventing postpartum hemorrhage after vaginal delivery include oxytocin plus ergometrine; oxytocin plus misoprostol; or carbetocin. After cesarean delivery, carbetocin or oxytocin as a bolus are the most effective regimens. There is inconsistent evidence regarding the use of tranexamic acid in addition to a uterotonic compared with a uterotonic alone for postpartum hemorrhage prevention after all deliveries. Because of differences in patient comorbidities, costs, and availability of resources and staff, decisions to use specific prevention strategies are dependent on patient- and system-level factors. We recommend that the term "active management of the third stage of labor" as a combined intervention no longer be used. Instead, we recommend that "third stage care" be adopted, which promotes the implementation of evidence-based interventions that incorporate practices that are safe and beneficial for both the woman and neonate.
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Affiliation(s)
- Alyssa R Hersh
- Oregon Health & Science University, Portland, OR; FUNDARED-MATERNA, Bogotá, Colombia.
| | | | - G Justus Hofmeyr
- University of Botswana, Gaborone, Botswana; University of the Witwatersrand, Johannesburg, Johannesburg, South Africa; Walter Sisulu University, Mthatha, South Africa
| | - Bharti Garg
- Oregon Health & Science University, Portland, OR
| | | | - Pisake Lumbiganon
- Department of Obstetrics and Gynecology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Bremen De Mucio
- Latin American Center for Perinatology, Women and Reproductive Health, Montevideo, Uruguay
| | - Sarah Saleem
- Department of Community Health Sciences, Aga Khan University, Karachi, Pakistan
| | - Mario Philip R Festin
- Department of Obstetrics and Gynecology, College of Medicine, University of the Philippines, Manila, Philippines
| | | | | | - Tsungai Chipato
- Faculty of Health Sciences, Department of Obstetrics and Gynaecology, University of Zimbabwe, Harare, Zimbabwe
| | - Catalina Valencia
- FUNDARED-MATERNA, Bogotá, Colombia; Medicina Fetal SAS, Medellin, Colombia
| | - Jorge E Tolosa
- Oregon Health & Science University, Portland, OR; FUNDARED-MATERNA, Bogotá, Colombia; St. Luke's University Health Network, Bethlehem, PA
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Getahun GK, Wubishet D, Wubete BY, Akalu SY, Shitemaw T. Predictors of postpartum hemorrhage at public hospitals in Addis Ababa, Ethiopia: A case-control study. Heliyon 2024; 10:e26762. [PMID: 38434069 PMCID: PMC10906385 DOI: 10.1016/j.heliyon.2024.e26762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Revised: 02/07/2024] [Accepted: 02/20/2024] [Indexed: 03/05/2024] Open
Abstract
Introduction Postpartum hemorrhage (PPH) is responsible for half of all maternal deaths during childbirth. Despite being preventable and curable, PPH remains the leading cause of maternal death in Ethiopia. Therefore, the aim of this study was to identify the determinants of PPH among women delivered at public hospitals in Addis Ababa, Ethiopia, in 2022. Methods A facility-based, unmatched case control study with 378 study participants was carried out in selected public hospitals in Addis Ababa, Ethiopia. Women who gave birth and developed PPH were considered cases, while women who gave birth in public hospitals in Addis Ababa and did not develop PPH were controls. Binary and multivariable logistic regression analyses were used to identify independent predictors of PPH. Variables was considered statistically significant in the final model if their p-value was less than 0.05. Results The result of this study identified that antenatal care follow-up (AOR: 2.58; 95% CI: 1.12, 5.96), history of cesarean delivery (AOR: 3.47; 95% CI: 1.40, 8.58), prolonged labor (AOR: 5.14; CI: 2.07, 12.75), and genital trauma apart from episiotomy (AOR: 4.39; CI: 1.51, 12.81) were determinants of PPH. Conclusion According to the finding of this study duration of labor, history of cesarean section, antenatal care follow-up, and genital trauma other than episiotomy were independent determinants of PPH. Therefore, it is crucial to screen and closely monitor high-risk mothers during antepartum care visit, including those who have a history of cesarean delivery.
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Affiliation(s)
- Genanew Kassie Getahun
- Menelik II Medical and Health Science College, Addis Ababa, Ethiopia
- Yanet College, Addis Ababa, Ethiopia
| | | | | | | | - Tewodros Shitemaw
- Menelik II Medical and Health Science College, Addis Ababa, Ethiopia
- Yanet College, Addis Ababa, Ethiopia
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Al-Khatib A, Sagot P, Cottenet J, Aroun M, Quantin C, Desplanches T. Major postpartum haemorrhage after frozen embryo transfer: A population-based study. BJOG 2024; 131:300-308. [PMID: 37550089 DOI: 10.1111/1471-0528.17625] [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: 01/27/2023] [Revised: 06/12/2023] [Accepted: 07/13/2023] [Indexed: 08/09/2023]
Abstract
OBJECTIVE To investigate the effect on major postpartum haemorrhage (PPH) of mode of conception, differentiating between naturally conceived pregnancies, fresh embryo in vitro fertilisation (fresh-IVF) and frozen embryo transfer (frozen-IVF). DESIGN Retrospective cohort study. SETTING The French Burgundy Perinatal Network database, including all deliveries from 2006 to 2020, was linked to the regional blood centre database. POPULATION OR SAMPLE In all, 244 336 women were included, of whom 240 259 (98.3%) were singleton pregnancies. METHODS The main analyses were conducted in singleton pregnancies, including 237 608 naturally conceived, 1773 fresh-IVF and 878 frozen-IVF pregnancies. Multivariate logistic regression models adjusted on maternal age, body mass index, smoking, parity, induction of labour, hypertensive disorders, diabetes, placenta praevia and/or accreta, history of caesarean section, mode of delivery, birthweight, birth place and year of delivery, were used. MAIN OUTCOME MEASURES Major PPH was defined as PPH requiring blood transfusion and/or emergency surgery and/or interventional radiology. RESULTS The prevalence of major PPH was 0.74% (n = 1749) in naturally conceived pregnancies, 1.92% (n = 34) in fresh-IVF pregnancies, and 3.30% (n = 29) in frozen-IVF pregnancies. The risk of major PPH was higher in frozen-IVF pregnancies than in both naturally conceived pregnancies (adjusted odds ratio [aOR] 2.63, 95% CI 1.68-4.10) and fresh-IVF pregnancies (aOR 2.78, 95% CI 1.44-5.35). CONCLUSIONS We found that frozen-IVF pregnancies have a higher risk of major PPH and they should be subject to increased vigilance in the delivery room.
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Affiliation(s)
- Amélie Al-Khatib
- Pôle de Gynécologie-Obstétrique et Biologie de la Reproduction, Dijon University Hospital, Dijon, France
| | - Paul Sagot
- Pôle de Gynécologie-Obstétrique et Biologie de la Reproduction, Dijon University Hospital, Dijon, France
| | - Jonathan Cottenet
- Service de Biostatistique et d'Informatique Médicale (DIM), Dijon University Hospital, Dijon, France
| | - Massinissa Aroun
- Pôle de Gynécologie-Obstétrique et Biologie de la Reproduction, Dijon University Hospital, Dijon, France
| | - Catherine Quantin
- Service de Biostatistique et d'Informatique Médicale (DIM), Dijon University Hospital, Dijon, France
- Clinical Epidemiology Unit, Inserm, CIC 1432, Dijon, France
- Clinical Investigation Centre, Dijon University Hospital, Dijon, France
- Biostatistics, Biomathematics, Pharmacoepidemiology and Infectious Diseases (B2PHI), INSERM, UVSQ, Institut Pasteur, Université Paris-Saclay, Paris, France
| | - Thomas Desplanches
- Pôle de Gynécologie-Obstétrique et Biologie de la Reproduction, Dijon University Hospital, Dijon, France
- Geneva School of Health Sciences, HES-SO University of Applied Sciences and Arts Western Switzerland, Geneva, Switzerland
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Agaba DC, Lugobe HM, Migisha R, Jjuuko M, Saturday P, Kisombo D, Atupele SM, Kirabira J, Tumusiime M, Katamba G, Mugyenyi G, Masembe S, Kayondo M, Ngonzi J. Abnormal obstetric shock index and associated factors among immediate postpartum women following vaginal delivery at a tertiary hospital in southwestern Uganda. BMC Pregnancy Childbirth 2024; 24:31. [PMID: 38178057 PMCID: PMC10768342 DOI: 10.1186/s12884-023-06238-5] [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: 12/20/2022] [Accepted: 12/29/2023] [Indexed: 01/06/2024] Open
Abstract
BACKGROUND Early recognition of haemodynamic instability after birth and prompt interventions are necessary to reduce adverse maternal outcomes due to postpartum haemorrhage. Obstetric shock Index (OSI) has been recommended as a simple, accurate, reliable, and low-cost early diagnostic measure that identifies hemodynamically unstable women. OBJECTIVES We determined the prevalence of abnormal obstetric shock index and associated factors among women in the immediate postpartum period following vaginal delivery at Mbarara Regional Referral Hospital (MRRH) in southwestern Uganda. METHODS We conducted a cross-sectional study at the labour suite and postnatal ward of MRRH from January 2022 to April 2022. We systematically sampled women who had delivered vaginally, and measured their blood pressures and pulse rates at 1 h postpartum. We excluded mothers with hypertensive disorders of pregnancy. Sociodemographic, medical and obstetric data were obtained through interviewer-administered questionnaires. The prevalence of abnormal OSI was the proportion of participants with an OSI ≥ 0.9 (calculated as the pulse rate divided by the systolic BP). Logistic regression analysis was used to determine associations between abnormal OSI and independent variables. RESULTS We enrolled 427 women with a mean age of 25.66 ± 5.30 years. Of these, 83 (19.44%), 95% CI (15.79-23.52) had an abnormal obstetric shock index. Being referred [aPR 1.94, 95% CI (1.31-2.88), p = 0.001], having had antepartum haemorrhage [aPR 2.63, 95% CI (1.26-5.73), p = 0.010] and having a visually estimated blood loss > 200 mls [aPR 1.59, 95% CI (1.08-2.33), p = 0.018] were significantly associated with abnormal OSI. CONCLUSION Approximately one in every five women who delivered vaginally at MRRH during the study period had an abnormal OSI. We recommend that clinicians have a high index of suspicion for haemodynamic instability among women in the immediate postpartum period. Mothers who are referred in from other facilities, those that get antepartum haemorrhage and those with estimated blood loss > 200mls should be prioritized for close monitoring. It should be noted that the study was not powered to study the factors associated with AOSI and therefore the analysis for factors associated should be considered exploratory.
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Affiliation(s)
- David Collins Agaba
- Department of Physiology, Mbarara University of Science & Technology, P.O Box 1410, Mbarara, Southwestern, Uganda.
| | - Henry Mark Lugobe
- Department of Obstetrics & Gynaecology, Mbarara University of Science & Technology, P.O Box 1410, Mbarara, Southwestern, Uganda
| | - Richard Migisha
- Department of Physiology, Mbarara University of Science & Technology, P.O Box 1410, Mbarara, Southwestern, Uganda
| | - Mark Jjuuko
- Department of Obstetrics & Gynaecology, Mbarara University of Science & Technology, P.O Box 1410, Mbarara, Southwestern, Uganda
| | - Pascal Saturday
- Department of Obstetrics & Gynaecology, Mbarara University of Science & Technology, P.O Box 1410, Mbarara, Southwestern, Uganda
| | - Dean Kisombo
- Department of Obstetrics & Gynaecology, Mbarara University of Science & Technology, P.O Box 1410, Mbarara, Southwestern, Uganda
| | - Subira Mlangwa Atupele
- Department of Obstetrics & Gynaecology, Mbarara University of Science & Technology, P.O Box 1410, Mbarara, Southwestern, Uganda
| | - Justus Kirabira
- Department of Obstetrics & Gynaecology, Mbarara University of Science & Technology, P.O Box 1410, Mbarara, Southwestern, Uganda
| | - Matthew Tumusiime
- Department of Obstetrics & Gynaecology, Mbarara University of Science & Technology, P.O Box 1410, Mbarara, Southwestern, Uganda
| | - Godfrey Katamba
- Department of Physiology, King Ceasor University, P.O Box 88, Kampala, Uganda
| | - Godfrey Mugyenyi
- Department of Obstetrics & Gynaecology, Mbarara University of Science & Technology, P.O Box 1410, Mbarara, Southwestern, Uganda
| | - Sezalio Masembe
- Department of Obstetrics & Gynaecology, Kabale University, P.O Box 317, Kabale, Southwestern, Uganda
| | - Musa Kayondo
- Department of Obstetrics & Gynaecology, Mbarara University of Science & Technology, P.O Box 1410, Mbarara, Southwestern, Uganda
| | - Joseph Ngonzi
- Department of Obstetrics & Gynaecology, Mbarara University of Science & Technology, P.O Box 1410, Mbarara, Southwestern, Uganda
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de Vries PLM, Deneux-Tharaux C, Baud D, Chen KK, Donati S, Goffinet F, Knight M, D'Souzah R, Sueters M, van den Akker T. Postpartum haemorrhage in high-resource settings: Variations in clinical management and future research directions based on a comparative study of national guidelines. BJOG 2023; 130:1639-1652. [PMID: 37259184 DOI: 10.1111/1471-0528.17551] [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: 12/25/2022] [Revised: 04/15/2023] [Accepted: 05/04/2023] [Indexed: 06/02/2023]
Abstract
OBJECTIVE To compare guidelines from eight high-income countries on prevention and management of postpartum haemorrhage (PPH), with a particular focus on severe PPH. DESIGN Comparative study. SETTING High-resource countries. POPULATION Women with PPH. METHODS Systematic comparison of guidance on PPH from eight high-income countries. MAIN OUTCOME MEASURES Definition of PPH, prophylactic management, measurement of blood loss, initial PPH-management, second-line uterotonics, non-pharmacological management, resuscitation/transfusion management, organisation of care, quality/methodological rigour. CONCLUSIONS Our study highlights areas where strong evidence is lacking. There is need for a universal definition of (severe) PPH. Consensus is required on how and when to quantify blood loss to identify PPH promptly. Future research may focus on timing and sequence of second-line uterotonics and non-pharmacological interventions and how these impact maternal outcome. Until more data are available, different transfusion strategies will be applied. The use of clear transfusion-protocols are nonetheless recommended to reduce delays in initiation. There is a need for a collaborative effort to develop standardised, evidence-based PPH guidelines. RESULTS Definitions of (severe) PPH varied as to the applied cut-off of blood loss and incorporation of clinical parameters. Dose and mode of administration of prophylactic uterotonics and methods of blood loss measurement were heterogeneous. Recommendations on second-line uterotonics differed as to type and dose. Obstetric management diverged particularly regarding procedures for uterine atony. Recommendations on transfusion approaches varied with different thresholds for blood transfusion and supplementation of haemostatic agents. Quality of guidelines varied considerably.
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Affiliation(s)
- Pauline L M de Vries
- Department of Obstetrics, Leiden University Medical Centre, Leiden, The Netherlands
- Port-Royal Maternity Unit, Cochin Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Catherine Deneux-Tharaux
- Université Paris Cité, Inserm, Obstetrical, Perinatal and Paediatric Epidemiology Research Team (Epopé), CRESS, Paris, France
| | - David Baud
- Department of Gynaecology and Obstetrics, University Hospital of Lausanne, Lausanne, Switzerland
| | - Kenneth K Chen
- Departments of Medicine & ObGyn, Brown University, Providence, Rhode Island, USA
| | - Serena Donati
- National Centre for Disease Prevention and Health Promotion, Istituto Superiore di Sanità-Italian National Institute of Health, Rome, Italy
| | - Francois Goffinet
- Port-Royal Maternity Unit, Cochin Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Marian Knight
- National Perinatal Epidemiology Unit, Nuffield Department of Population Health, University of Oxford, Oxford, UK
| | - Rohan D'Souzah
- National Perinatal Epidemiology Unit, Nuffield Department of Population Health, University of Oxford, Oxford, UK
- Departments of Obstetrics & Gynaecology and Health Research Methods Evidence and Impact, McMaster University, Hamilton, Canada
- Department of Obstetrics and Gynaecology, Lunenfeld Tanenbaum Research Institute, Mount Sinai Hospital, University of Toronto, Toronto, Ontario, Canada
| | - Marieke Sueters
- Department of Obstetrics, Leiden University Medical Centre, Leiden, The Netherlands
| | - Thomas van den Akker
- Department of Obstetrics, Leiden University Medical Centre, Leiden, The Netherlands
- Athena Institute, VU University, Amsterdam, The Netherlands
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Liao YC, Tsang LLC, Yang TH, Lin YJ, Chang YW, Hsu TY, Kung FT. Unscarred uterine rupture with catastrophic hemorrhage immediately after vaginal delivery: diagnosis and management of six consecutive cases. J Matern Fetal Neonatal Med 2023; 36:2243366. [PMID: 37586890 DOI: 10.1080/14767058.2023.2243366] [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: 04/09/2022] [Revised: 07/26/2023] [Accepted: 07/27/2023] [Indexed: 08/18/2023]
Abstract
BACKGROUND To describe and explore the risk factors, clinical presentations, timely diagnostic approaches, and management in patients experiencing unscarred uterine rupture with catastrophic hemorrhage. METHODS We retrospectively analyzed clinical and imaging data from women who encountered postpartum hemorrhage (PPH) and were diagnosed with unscarred uterine rupture within a three-year timeframe (2018-2020). The data were extracted from medical records obtained from a multi-hospital 24-hour emergency PPH transfer system. RESULTS Six patients were identified as having unscarred uterine rupture after vaginal delivery. All six women were para 2, with four of them undergoing vacuum-assisted delivery. One patient experienced out-of-hospital cardiac arrest (OHCA), while five patients presented with hypovolemic shock. Abdominopelvic ultrasound revealed a boggy lower uterine segment. Initially, five patients underwent transarterial embolization (TAE) of the internal iliac arteries in an attempt to achieve hemostasis, but this approach proved unsuccessful. Abdominopelvic computed tomography (CT) confirmed the diagnosis of ruptured uterus by demonstrating disrupted myometrium and hemoperitoneum. Immediate exploratory laparotomy followed by life-saving hysterectomy was performed in all cases. The median estimated total blood loss was 2725 mL ± 900 mL (ranging from 1600 mL to 7100 mL). Lower segment lacerations were observed in all patients, with more extensive uterine damage noted in those who underwent vacuum extraction. The length of hospital stay varied between 9 and 38 days. CONCLUSION Instrument-assisted obstetric delivery is a possible contributing factor to unscarred uterine rupture in our study. In specific cases, the use of abdominopelvic CT prior to initiating transarterial embolization (TAE) offers valuable information to complement ultrasound findings. This comprehensive approach helps in accurately identifying the underlying cause of intractable postpartum hemorrhage (PPH). Immediate conversion to laparotomy is essential to explore the intra-abdominal factors causing PPH that cannot be controlled by TAE. The rational etiologies of uterine rupture must be clarified while generating practical guideline in the future.
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Affiliation(s)
- Yi-Chiao Liao
- Department of Obstetrics and Gynecology, Kaohsiung Chang Gung Memorial Hospital; Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Leo Leung-Chit Tsang
- Department of Diagnostic Radiology, Kaohsiung Chang Gung Memorial Hospital; Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Tsai-Hwa Yang
- Department of Obstetrics and Gynecology, Kaohsiung Chang Gung Memorial Hospital; Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Yu-Ju Lin
- Department of Obstetrics and Gynecology, Kaohsiung Chang Gung Memorial Hospital; Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Yu-Wei Chang
- Department of Obstetrics and Gynecology, Kaohsiung Chang Gung Memorial Hospital; Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Te-Yao Hsu
- Department of Obstetrics and Gynecology, Kaohsiung Chang Gung Memorial Hospital; Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Fu-Tsai Kung
- Department of Obstetrics and Gynecology, Kaohsiung Chang Gung Memorial Hospital; Chang Gung University College of Medicine, Kaohsiung, Taiwan
- Department of Obstetrics and Gynecology, Xiamen Chang Gung Hospital, Xiamen, Fujian, China
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Betti T, Gouveia HG, Gasparin VA, Vieira LB, Strada JKR, Fagherazzi J. Prevalence of risk factors for primary postpartum hemorrhage in a university hospital. Rev Bras Enferm 2023; 76:e20220134. [PMID: 38018607 PMCID: PMC10680393 DOI: 10.1590/0034-7167-2022-0134] [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: 05/23/2022] [Accepted: 05/07/2023] [Indexed: 11/30/2023] Open
Abstract
OBJECTIVES to identify the risk factors associated with primary postpartum hemorrhage in a university hospital. METHODS a cross-sectional study was conducted with 277 postpartum women who received care during childbirth or cesarean section between June and August 2020. Data were collected using a pre-structured questionnaire administered 24 hours after delivery. Poisson Regression was employed to analyze the factors associated with postpartum hemorrhage. RESULTS postpartum hemorrhage was observed in 30% of the study sample. Shock Index and uterine distension were found to be statistically associated with postpartum hemorrhage. Postpartum women with a Shock Index ≥ 0.9 had a 61% higher prevalence of postpartum hemorrhage (PR=1.61, 95% CI: 1.07 - 2.43), while those with uterine distension had a 134% higher prevalence (PR=2.34, 95% CI: 1.63 - 3.36). CONCLUSIONS recognizing these factors contributes to improvements in clinical practice, as they enable the prediction of their occurrence and call for appropriate management, thereby preventing unfavorable outcomes.
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Affiliation(s)
- Thaís Betti
- Universidade Federal do Rio Grande do Sul. Porto Alegre, Rio Grande do Sul, Brazil
| | | | | | | | | | - Júlia Fagherazzi
- Universidade Federal do Rio Grande do Sul. Porto Alegre, Rio Grande do Sul, Brazil
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20
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Kinrade SH. Reducing the Adverse Effects of Birth Trauma Among Birth Companions. J Obstet Gynecol Neonatal Nurs 2023; 52:509-519. [PMID: 37634544 DOI: 10.1016/j.jogn.2023.08.001] [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: 04/20/2023] [Revised: 08/03/2023] [Accepted: 08/08/2023] [Indexed: 08/29/2023] Open
Abstract
Birth trauma affects the entire family, yet limited attention has been directed to how nurses influence the experiences of birth companions. Therefore, the purpose of this article is to increase awareness of birth trauma among birth companions and provide nursing strategies to reduce the adverse effects of traumatic childbirth among birth companions. I review background information describing birth companions' perceptions of childbirth as traumatic and the implications of birth trauma. I then present protective nursing strategies before, during, and after birth, followed by a discussion on implications. Lastly, I offer a summary of protective nursing strategies, an example of postnatal debriefing using the adapted ASSIST communication tool, and available online birth companion resources.
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21
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Riascos N, Loaiza-Osorio S, Monroy A, Barona JS, Carvajal J, Echavarria MP, Nasner D, Escobar MF. Effect of the postpartum hemorrhage intervention package implementation in a fourth-level hospital in Latin America. Int J Gynaecol Obstet 2023; 163:291-301. [PMID: 37269178 DOI: 10.1002/ijgo.14886] [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: 01/17/2023] [Revised: 04/12/2023] [Accepted: 05/09/2023] [Indexed: 06/04/2023]
Abstract
OBJECTIVE To evaluate the effectiveness of the implementation of intervention packages for postpartum hemorrhage (PPH) management in pregnant women hospitalized in a High Obstetric Complexity Unit in a Latin American country. METHODS Retrospective cohort study including pregnant women with PPH attended between January 2011 to December 2019. Three periods of time were defined according to management strategies We performed univariate and multivariate robust Poisson regression logistic models for each of the outcomes derived from each period. RESULTS We included 602 patients. There was a reduction in period 3 of the incidence of massive PPH (16% versus 12% P < 0.001, relative risk [RR] 0.61, 95% confidence interval [CI] 0.44-0.85; P = 0.003), major surgery (24%, 13%, 11%, P = 0.002, RR 0.54, 95% CI 0.33-0.883; P = 0.014), and admission to the intensive care unit (ICU) (14%, 7%, 6.1%, P = 0.0, RR 0.40, 95% CI 0.17-0.96 P = 0.00). CONCLUSION The implementation of PPH intervention packages in a hospital in a middle-income country from Latin America, led to a significant decrease in the incidence of massive bleeding, the rate of major surgery, and the ICU stay of pregnant women affected by this condition.
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Affiliation(s)
- Natalia Riascos
- Department of Obstetrics and Gynecology, Fundación Valle del Lili, Cali, Colombia
- Facultad de Ciencias de la Salud, Universidad Icesi, Cali, Colombia
| | - Sara Loaiza-Osorio
- Department of Obstetrics and Gynecology, Fundación Valle del Lili, Cali, Colombia
| | - Angelica Monroy
- Department of Obstetrics and Gynecology, Fundación Valle del Lili, Cali, Colombia
- Facultad de Ciencias de la Salud, Universidad Icesi, Cali, Colombia
| | - Juan Sebastián Barona
- Department of Obstetrics and Gynecology, Fundación Valle del Lili, Cali, Colombia
- Facultad de Ciencias de la Salud, Universidad Icesi, Cali, Colombia
| | - Javier Carvajal
- Department of Obstetrics and Gynecology, Fundación Valle del Lili, Cali, Colombia
| | | | - Daniela Nasner
- Centro de Investigaciones Clínicas, Fundación Valle del Lili, Cali, Colombia
| | - María Fernanda Escobar
- Department of Obstetrics and Gynecology, Fundación Valle del Lili, Cali, Colombia
- Facultad de Ciencias de la Salud, Universidad Icesi, Cali, Colombia
- Department of Telemedicine, Fundación Valle del Lili, Cali, Colombia
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22
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Cetin C, Tanoglu FB, Hanligil E, Gokce A, Pasin O, Ozcan P. Carbetocin versus Oxytocin with or without Tranexamic Acid for Prophylactic Prevention of Postpartum Hemorrhage after a Vaginal Delivery: A Randomized Clinical Trial. Gynecol Obstet Invest 2023; 88:366-374. [PMID: 37778349 DOI: 10.1159/000534375] [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: 08/11/2023] [Accepted: 09/24/2023] [Indexed: 10/03/2023]
Abstract
OBJECTIVE Our study's primary objective was to examine the effects of four different prophylactic protocols on the prevention of postpartum hemorrhage following vaginal birth, including carbetocin only, oxytocin only, and a combination of carbetocin or oxytocin with tranexamic acid. DESIGN A multicentric randomized controlled trial. PARTICIPANTS/MATERIALS, SETTING, AND METHODS This multicentric center prospective randomized controlled trial was conducted at the Department of Obstetrics and Gynecology of Bezmialem University and Van Health Teaching and Research Hospital from August 2022 to January 2023. The collected data included age, gravidity, parity, gestational age at birth, duration of delivery stages, prepartum hemoglobin and hematocrit concentrations, changes in hemoglobin and hematocrit concentrations, intrapartum blood loss, estimated blood loss after 2 h of vaginal delivery, Apgar scores at 1 and 5 min, birth weight, and neonatal intensive care unit (NICU) admission. Intrapartum blood loss was objectively measured in milliliters using a postpartum drape with a calibrated bag. The amount of bleeding was measured by subtracting the empty weight of the pads placed under the patient in the patient's bed within 2 h after delivery. Group I: carbetocin 100 μg/mL (n = 75), group II: oxytocin 5 IU/mL (n = 75), group III: carbetocin and tranexamic acid 50 mg/mL (n = 75), group IV: oxytocin and tranexamic acid (n = 75). RESULTS The hemoglobin concentration decrease significantly differed between groups (1.03 ± 1.04, 1.3 ± 0.85, 1.4 ± 0.85, 1.41 ± 0.87, respectively; p < 0.001). Group 4 has the highest decrease in hemoglobin and hematocrit concentrations. When we investigated the subgroup differences, the decrease in hemoglobin concentration was significantly higher in group 2 than group 1 (1.30 ± 0.85 vs. 1.03 ± 1.04; p = 0.023), in group 2 than group 3 (1.3 ± 0.85 vs. 1.04 ± 0.9; p = 0.013), and in group 4 than group 3 (1.41 ± 0.87 vs. 1.04 ± 0.9; p < 0.001). The decrease in hematocrit level was significantly different between groups (3.07 ± 3.23, 3.55 ± 2.44, 2.13 ± 3.09, 4.25 ± 2.52; p < 0.001, respectively). No significant differences were observed in terms of mean blood loss between the four groups (277.19 ± 208.10, 294.13 ± 198.64, 274.33 ± 199.57, and 283.97 ± 178.11; p = 0.445, respectively). Furthermore, there was no significant difference between the groups in the rate of need for blood transfusion (1.3%, 5.4%, 4%, and 4%, respectively; p = 0.6). LIMITATIONS The most important limitation of the study is a relatively small number of participants. CONCLUSION In conclusion, our findings suggest that carbetocin may be more successful than oxytocin and oxytocin plus tranexamic acid regimens in terms of postpartum hemoglobin reduction, and there is no difference in terms of the need for blood transfusion when it is used for postpartum hemorrhage prophylaxis after vaginal delivery.
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Affiliation(s)
- Caglar Cetin
- Department of Obstetrics and Gynecology, Bezmialem Vakif University, Faculty of Medicine, Istanbul, Turkey
| | - Fatma Basak Tanoglu
- Department of Obstetrics and Gynecology, Bezmialem Vakif University, Faculty of Medicine, Istanbul, Turkey
| | - Erhan Hanligil
- Department of Obstetrics and Gynecology, Van Research and Training Hospital, Van, Turkey
| | - Ali Gokce
- Department of Obstetrics and Gynecology, Ankara University Medical School, Ankara, Turkey
| | - Ozge Pasin
- Faculty of Medicine, Department of Basic Medical Sciences, Department of Biostatistics and Medical Informatics, Bezmialem Vakif University, Istanbul, Turkey
| | - Pinar Ozcan
- Department of Obstetrics and Gynecology, Bezmialem Vakif University, Faculty of Medicine, Istanbul, Turkey
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23
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Madar H, Sentilhes L, Goffinet F, Bonnet MP, Rozenberg P, Deneux-Tharaux C. Comparison of quantitative and calculated postpartum blood loss after vaginal delivery. Am J Obstet Gynecol MFM 2023; 5:101065. [PMID: 37356572 DOI: 10.1016/j.ajogmf.2023.101065] [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: 03/07/2023] [Revised: 06/09/2023] [Accepted: 06/19/2023] [Indexed: 06/27/2023]
Abstract
BACKGROUND Because there is no consensus on the method of assessing postpartum blood loss, the comparability and relevance of the postpartum hemorrhage-related literature are questionable. Quantitative blood loss assessment using a volumetric technique with a graduated collector bag has been proposed to overcome limitations of intervention-based outcomes but remains partly subjective and potentially biased by amniotic fluid or missed out-of-bag losses. Calculated blood loss based on laboratory parameters has been studied and used as an objective method expected to reflect total blood loss. However, few studies have compared quantitative with calculated blood loss. OBJECTIVE This study aimed to compare the distribution of postpartum blood loss after vaginal delivery assessed by 2 methods-quantitative and calculated blood loss-and the incidence of abnormal blood loss with each method. STUDY DESIGN Data were obtained from the merged database of 3 multicenter, randomized controlled trials, all testing different interventions to prevent postpartum blood loss in individuals with a singleton live fetus at ≥35 weeks of gestation, born vaginally. All 3 trials measured blood loss volume by using a graduated collector bag. Hematocrit was measured in the eighth or ninth month of gestation and on day 2 postpartum. The 2 primary outcomes were: quantitative blood loss, defined by the total volume of blood loss measured in a graduated collector bag, and calculated blood loss, mathematically defined from the peripartum hematocrit change (estimated blood volume × [(antepartum hematocrit-postpartum hematocrit)/antepartum hematocrit], where estimated blood volume [mL]=booking weight [kg] × 85). We modeled the association between positive quantitative blood loss and positive calculated blood loss with polynomial regression and calculated the Spearman correlation coefficient. RESULTS Among the 8341 individuals included in this analysis, the median quantitative blood loss (100 mL; interquartile range, 50-275) was significantly lower than the median calculated blood loss (260 mL; interquartile range, 0-630) (P<.05). The incidence of abnormal blood loss was lower with quantitative blood loss than calculated blood loss for all 3 thresholds: for ≥500 mL, it was 9.6% (799/8341) and 32.3% (2691/8341), respectively; for ≥1000 mL, 2.1% (176/8341) and 11.5% (959/8341); and for ≥2000 mL, 0.1% (10/8341) and 1.4% (117/8341) (P<.05). Quantitative blood loss and calculated blood loss were significantly but moderately correlated (Spearman coefficient=0.44; P<.05). The association between them was not linear, and their difference tended to increase with blood loss. Negative calculated blood loss values occurred in 23% (1958/8341) of individuals; among them, >99% (1939/1958) had quantitative blood loss ≤500 mL. CONCLUSION Quantitative and calculated blood loss were significantly but moderately correlated after vaginal delivery. However, clinicians should be aware that quantitative blood loss is lower than calculated blood loss, with a difference that tended to rise as blood loss increased.
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Affiliation(s)
- Hugo Madar
- Department of Obstetrics and Gynecology, Bordeaux University Hospital, Bordeaux, France (Drs Madar and Sentilhes).
| | - Loïc Sentilhes
- Department of Obstetrics and Gynecology, Bordeaux University Hospital, Bordeaux, France (Drs Madar and Sentilhes)
| | - François Goffinet
- Université Paris Cité, Women's Health IHM, U1153, Centre of Research In Epidemiology and Statistics, Obstetrical, Perinatal and Pediatric Epidemiology EPOPé Research Team, INSERM, INRAE, Paris, France (Drs Madar, Goffinet, Bonnet, and Deneux-Tharaux); Maternité Port-Royal, Department of Obstetrics and Gynecology, Assistance Publique-Hôpitaux de Paris, Université Paris Cité, FHU PREMA, Paris, France (Dr Goffinet)
| | - Marie-Pierre Bonnet
- Université Paris Cité, Women's Health IHM, U1153, Centre of Research In Epidemiology and Statistics, Obstetrical, Perinatal and Pediatric Epidemiology EPOPé Research Team, INSERM, INRAE, Paris, France (Drs Madar, Goffinet, Bonnet, and Deneux-Tharaux); Sorbonne Université, Department of Anesthesia and Intensive Care, Armand Trousseau Hospital, DMU DREAM, GRC 29, Assistance Publique-Hôpitaux de Paris, Paris, France (Dr Bonnet)
| | - Patrick Rozenberg
- Department of Obstetrics and Gynecology, American Hospital of Paris, Neuilly-sur-Seine, France (Dr Rozenberg); Department of Obstetrics and Gynecology, Poissy-Saint Germain Hospital, Poissy, France (Dr Rozenberg); Paris Saclay University, UVSQ, INSERM, Team U1018, Clinical Epidemiology, CESP, Montigny-le-Bretonneux, France (Dr Rozenberg)
| | - Catherine Deneux-Tharaux
- Université Paris Cité, Women's Health IHM, U1153, Centre of Research In Epidemiology and Statistics, Obstetrical, Perinatal and Pediatric Epidemiology EPOPé Research Team, INSERM, INRAE, Paris, France (Drs Madar, Goffinet, Bonnet, and Deneux-Tharaux)
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24
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Niknami M, Farash M, Rahnavardi M, Maroufizadeh S, Darkhaneh RF. The effect of date fruit consumption on early postpartum hemorrhage: a randomized clinical trial. BMC Womens Health 2023; 23:441. [PMID: 37612639 PMCID: PMC10463832 DOI: 10.1186/s12905-023-02604-9] [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: 12/06/2022] [Accepted: 08/16/2023] [Indexed: 08/25/2023] Open
Abstract
BACKGROUND Postpartum hemorrhage, anemia, and iron deficiency are important health problems. Using safe, cheap, and available methods to reduce the amount of hemorrhage after childbirth can be effective for the mother's health during this period. Therefore, this study was conducted to determine the effect of date fruit consumption on the amount of hemorrhage after natural childbirth. METHODS This randomized clinical trial was conducted on 98 women referred to the maternity ward of Al-Zahra Hospital in Rasht using the available sampling method. The primary outcome was postpartum hemorrhage, measured using the Pictorial Blood Loss Assessment Chart (PBLAC). Two hours after delivery, 100 g of date fruits were given to the intervention group, and the amount of hemorrhage was recorded during the first 24 h. Comparison between the two groups was done with the Mann-Whitney test with the Hodges-Lehmann estimator and corresponding exact conditional nonparametric confidence interval (CI) as effect estimate. A P < 0.05 was considered significant. RESULTS The median of postpartum hemorrhage after normal delivery in the date and control groups was 35.0 [interquartile range (IQR): 22.0 to 39.8] and 39.0 [IQR: 27.5 to 64.5], respectively. Using the Hodges-Lehmann estimator, on average, the median postpartum hemorrhage in the date group was 9.0 (95% CI: 2.00-18.0) units lower than the control group (P = 0.009). CONCLUSION Consumption of dates effectively reduces the amount of hemorrhage after natural childbirth; thus, consuming this fruit during postpartum period is recommended. Also to confirm the findings, it is recommended to conduct similar studies in this field. TRIAL REGISTRATION This trial was registered with the Iranian Registry of Clinical Trials; https://www.irct.ir/trial/59197 (IRCT20210607051505N2) on 31/10/2021.
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Affiliation(s)
- Maryam Niknami
- Department of Midwifery, School of Nursing and Midwifery, Guilan University of Medical Sciences, Rasht, Iran
| | - Maryam Farash
- MSc Student of Midwifery, School of Nursing and Midwifery, Guilan University of Medical Sciences, Rasht, Iran.
| | - Mona Rahnavardi
- Department of Midwifery, School of Nursing and Midwifery, Guilan University of Medical Sciences, Rasht, Iran
| | - Saman Maroufizadeh
- Department of Biostatistics and Epidemiology, School of Health, Guilan University of Medical Sciences, Rasht, Iran
| | - Roya Faraji Darkhaneh
- Professor of Obstetrics & Gynecology, Reproductive Health Research Center, Department of Obstetrics & Gynecology, Al-Zahra Hospital, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran
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Futcher F, Moufawad G, Centini G, Hayek J, Tarchichi J, Bakar J, Habib N. Intrauterine Tamponade Balloon for Management of Severe Postpartum Haemorrhage: Does Early Insertion Change the Outcome? A Retrospective Study on Blood Loss. J Clin Med 2023; 12:5439. [PMID: 37685506 PMCID: PMC10487974 DOI: 10.3390/jcm12175439] [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: 07/08/2023] [Revised: 08/18/2023] [Accepted: 08/19/2023] [Indexed: 09/10/2023] Open
Abstract
The French College of Gynecologists and Obstetricians (CNGOF) recommends the use of intrauterine tamponade balloon (IUTB) in postpartum haemorrhage for bleeding that is refractory after sulprostone before either surgery or interventional radiology. However, the elapsed time between uterotonic drug injection and the insertion of intrauterine tamponade balloon was not reliably assessed. OBJECTIVE To evaluate the role of the timing of IUTB insertion and to assess the correlation between the time of insertion and outcome. METHODS A retrospective study in two tertiary care centres, including patients transferred for severe PPH management. RESULTS A total of 81 patients were included: 52 patients with IUTB inserted before 15 min (group 1) and 29 patients with IUTB inserted after 15 min (group 2). The mean volume of blood loss in the group of patients with IUTB inserted before 15 min was significantly lower than in group of patients with IUTB set after 15 min. CONCLUSION An IUTB could be inserted simultaneously with a uterotonic agent, within 15 min and not after 15 min as suggested by local guidelines, but further prospective studies are required to confirm this.
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Affiliation(s)
- Françoise Futcher
- Department of Obstetrics and Gynecology, Moulins-Yzeure Hospital, 10 Av. du Général de Gaulle, 03006 Moulins, France;
| | - Graziella Moufawad
- Department of Obstetrics and Gynecology, Francois Quesnay Hospital, 78201 Mantes-la-Jolie, France; (G.M.); (J.H.); (J.T.); (J.B.)
| | - Gabriele Centini
- Department of Molecular and Reproductive Medicine, University of Siena, 53100 Siena, Italy;
| | - Jad Hayek
- Department of Obstetrics and Gynecology, Francois Quesnay Hospital, 78201 Mantes-la-Jolie, France; (G.M.); (J.H.); (J.T.); (J.B.)
| | - Jana Tarchichi
- Department of Obstetrics and Gynecology, Francois Quesnay Hospital, 78201 Mantes-la-Jolie, France; (G.M.); (J.H.); (J.T.); (J.B.)
| | - Joseph Bakar
- Department of Obstetrics and Gynecology, Francois Quesnay Hospital, 78201 Mantes-la-Jolie, France; (G.M.); (J.H.); (J.T.); (J.B.)
| | - Nassir Habib
- Department of Obstetrics and Gynecology, Francois Quesnay Hospital, 78201 Mantes-la-Jolie, France; (G.M.); (J.H.); (J.T.); (J.B.)
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26
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Bernitz S, Betran AP, Gunnes N, Zhang J, Blix E, Øian P, Eggebø TM, Dalbye R. Association of oxytocin augmentation and duration of labour with postpartum haemorrhage: A cohort study of nulliparous women. Midwifery 2023; 123:103705. [PMID: 37244235 DOI: 10.1016/j.midw.2023.103705] [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: 09/22/2022] [Revised: 02/13/2023] [Accepted: 04/26/2023] [Indexed: 05/29/2023]
Abstract
OBJECTIVE Both duration of labour and use of oxytocin for augmentation are known risk factors for postpartum haemorrhage but distinguishing between the significance of these factors is complex. In this study, we aimed to investigate the association between both labour duration and oxytocin augmentation, for postpartum haemorrhage. DESIGN A cohort study based on a secondary analysis of a cluster-randomised trial. PARTICIPANTS AND SETTING Term nulliparous women with a single foetus in cephalic presentation, spontaneous onset of active labour and a vaginal birth. The participants were originally included in cluster-randomised trial conducted in Norway from December 1, 2014, to January 31, 2017, that aimed to compare the frequency of intrapartum caesarean sections when adhering to the WHO partograph versus Zhang's guideline. MEASUREMENTS The data were analysed through four statistical models. Model 1 investigated the effect of oxytocin augmentation as a dichotomous variable (yes/no); Model 2 investigated the effect of the duration of oxytocin augmentation; Model 3 investigated the effect of the maximum dose of oxytocin; and Model 4 investigated the effect of both the duration of augmentation and the maximum dose of oxytocin. All four models included duration of labour divided into five time-intervals. We used binary logistic regression to estimate the odds ratios of postpartum haemorrhage, defined as blood loss of ≥ 1000 ml, including a random intercept for hospital and mutually adjusting for oxytocin augmentation and labour duration in addition to maternal age, maternal marital status, maternal higher education level, maternal smoking habits in the first trimester, maternal body mass index and birth weight. FINDINGS Model 1 found a significant association between the use of oxytocin and postpartum haemorrhage. In Model 2, oxytocin augmentation of ≥ 4.5 h was associated with postpartum haemorrhage. In Model 3, we found an association between a maximum dose of oxytocin of ≥ 20 mU/min and postpartum haemorrhage. Model 4 showed that a maximum dose of oxytocin ≥ 20 mU/min was associated with postpartum haemorrhage both for those augmented < 4.5 h and for those augmented ≥ 4.5 h. Duration of labour was associated with postpartum haemorrhage in all models if lasting ≥ 16 h. KEY CONCLUSIONS We found both oxytocin augmentation and labour duration to be associated with postpartum haemorrhage. Oxytocin doses of ≥ 20 mU/min and a labour duration of ≥ 16 h showed an independent association. IMPLICATION FOR PRACTICE The potent drug oxytocin should be carefully administered, as doses of ≥ 20 mU/min were associated with an increased risk of PPH, regardless of the duration of oxytocin augmentation.
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Affiliation(s)
- Stine Bernitz
- Department of Obstetrics and Gynaecology, Østfold Hospital Trust, Grålum, Norway; Department of Nursing and Health Promotion, Faculty of Health Sciences, OsloMet - Oslo Metropolitan University, Oslo, Norway.
| | - Ana Pilar Betran
- UNDP/UNFPA/UNICEF/WHO/World Bank Special Programme of Research, Development and Research Training in Human Reproduction (HRP), Department of Reproductive Health and Research, World Health Organization, Switzerland
| | - Nina Gunnes
- Norwegian Research Centre for Women's Health, Oslo University Hospital, Oslo, Norway
| | - Jun Zhang
- Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ellen Blix
- Department of Nursing and Health Promotion, Faculty of Health Sciences, OsloMet - Oslo Metropolitan University, Oslo, Norway
| | - Pål Øian
- University Hospital of North Norway, Norway
| | - Torbjørn Moe Eggebø
- National Center for Fetal Medicine, St. Olavs hospital, Trondheim University Hospital, Trondheim, Norway; Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway
| | - Rebecka Dalbye
- Department of Obstetrics and Gynaecology, Østfold Hospital Trust, Grålum, Norway; Department of Nursing and Health Promotion, Faculty of Health Sciences, OsloMet - Oslo Metropolitan University, Oslo, Norway
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Han D, Clarke-Deelder E, Miller N, Opondo K, Burke T, Oguttu M, McConnell M, Cohen J. Health care provider decision-making and the quality of maternity care: An analysis of postpartum care in Kenyan hospitals. Soc Sci Med 2023; 331:116071. [PMID: 37450989 PMCID: PMC10410252 DOI: 10.1016/j.socscimed.2023.116071] [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: 02/19/2023] [Revised: 05/17/2023] [Accepted: 07/02/2023] [Indexed: 07/18/2023]
Abstract
Evidence suggests that health care providers' non-adherence to clinical guidelines is widespread and contributes to poor patient outcomes across low- and middle-income countries. Through observations of maternity care in Kenya, we found limited adherence to guideline-recommended active monitoring of patients for signs of postpartum hemorrhage, the leading cause of maternal mortality, despite providers' having the necessary training and equipment. Using survey vignettes conducted with 144 maternity providers, we documented evidence consistent with subjective risk and perceived uncertainty driving providers' decisions to actively monitor patients. Motivated by these findings, we introduced a simple model of providers' decision-making about whether to monitor a patient, which may depend on their perceptions of risk, diagnostic uncertainty, and the value of new information. The model highlights key trade-offs between gathering diagnostic information through active monitoring versus waiting for signs and symptoms of hemorrhage to manifest. Our work provides a template for understanding provider decision-making and could inform interventions to encourage more proactive obstetric care.
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Affiliation(s)
- Dan Han
- Lee Kuan Yew School of Public Policy, National University of Singapore, Singapore; Department of Global Health and Population, Harvard T. H. Chan School of Public Health, Boston, MA, USA.
| | - Emma Clarke-Deelder
- Department of Global Health and Population, Harvard T. H. Chan School of Public Health, Boston, MA, USA; Department of Epidemiology and Public Health, Swiss TPH and University of Basel, Basel, Switzerland
| | - Nora Miller
- Department of Global Health and Population, Harvard T. H. Chan School of Public Health, Boston, MA, USA
| | - Kennedy Opondo
- Department of Global Health and Population, Harvard T. H. Chan School of Public Health, Boston, MA, USA; Kisumu Medical and Education Trust, Kisumu, Kenya
| | - Thomas Burke
- Department of Global Health and Population, Harvard T. H. Chan School of Public Health, Boston, MA, USA; Global Health Innovation Laboratory, Department of Emergency Medicine, Massachusetts General Hospital, Boston, MA, USA; Harvard Medical School, Boston, MA, USA
| | | | - Margaret McConnell
- Department of Global Health and Population, Harvard T. H. Chan School of Public Health, Boston, MA, USA
| | - Jessica Cohen
- Department of Global Health and Population, Harvard T. H. Chan School of Public Health, Boston, MA, USA
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Whitley J, Dazelle W, Kripalani S, Ahmadzia H. The association between body mass index and postpartum hemorrhage after cesarean delivery. Sci Rep 2023; 13:11998. [PMID: 37491437 PMCID: PMC10368616 DOI: 10.1038/s41598-023-38526-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Accepted: 07/10/2023] [Indexed: 07/27/2023] Open
Abstract
We aimed to evaluate the association between obesity and postpartum hemorrhage (PPH) after cesarean delivery (CD). This was a retrospective cohort study using a multicenter database of 20 hospitals in the United States. We analyzed 27,708 patients undergoing CD from 2015 to 2019. The exposure of interest was BMI, and the primary outcome was PPH (estimated blood loss [EBL] ≥ 1000 mL). Simple logistic regression was used to evaluate the relationship between obesity and intrapartum complications. Multivariable logistic regression was used to adjust for any confounding demographic variables. Hosmer and Lemeshow's purposeful selection algorithm was adapted to develop a multivariable logistic regression model of PPH. Analyses were conducted using STATA 16.1 (College Station, Texas) with p ≤ 0.05 considered significant. BMI exerted a significant effect on the frequency of PPH (p = 0.004). Compared to patients with BMI 18.5-24.9 kg/m2, patients with BMI between 25 and 59.9 kg/m2 had an increased odds of PPH. The odds of PPH in patients with BMI > 60 kg/m2 was not increased compared to patients with BMI 18.5-24.9 kg/m2. Obesity was associated with a decreased odds of blood transfusion (aOR 0.73, 95% CI 0.55-0.97). In conclusion, higher BMI was associated with PPH yet a lower odds of transfusion after CD.
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Affiliation(s)
- Julia Whitley
- Department of Obstetrics and Gynecology, George Washington University School of Medicine and Health Sciences, 2150 Pennsylvania Ave NW, Washington, DC, 20037, USA.
| | - Wayde Dazelle
- Department of Obstetrics and Gynecology, George Washington University School of Medicine and Health Sciences, 2150 Pennsylvania Ave NW, Washington, DC, 20037, USA
| | - Shawn Kripalani
- Department of Obstetrics and Gynecology, George Washington University School of Medicine and Health Sciences, 2150 Pennsylvania Ave NW, Washington, DC, 20037, USA
| | - Homa Ahmadzia
- Department of Obstetrics and Gynecology, George Washington University School of Medicine and Health Sciences, 2150 Pennsylvania Ave NW, Washington, DC, 20037, USA
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Mitta K, Tsakiridis I, Dagklis T, Grigoriadou R, Mamopoulos A, Athanasiadis A, Kalogiannidis I. Incidence and Risk Factors for Postpartum Hemorrhage: A Case-Control Study in a Tertiary Hospital in Greece. MEDICINA (KAUNAS, LITHUANIA) 2023; 59:1151. [PMID: 37374355 DOI: 10.3390/medicina59061151] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Revised: 05/28/2023] [Accepted: 06/14/2023] [Indexed: 06/29/2023]
Abstract
Background and Objectives: Postpartum hemorrhage (PPH) is an obstetrical emergency and although the mortality rate from PPH has decreased, it is still considered a challenge in obstetrics. This study aimed to estimate the rate of primary PPH, as well as to investigate the potential risk factors and management options. Material and methods: This was a retrospective case-control study of all cases with PPH (blood loss > 500 mL, irrespective of the mode of delivery) managed in the Third Department of Obstetrics and Gynecology, Aristotle University of Thessaloniki, Greece, from 2015 to 2021. The ratio of cases to controls was estimated to be 1:1. The chi-squared test was used to examine if there was any relationship between several variables and PPH, while subgroup multivariate logistic regression analyses of certain causes of PPH were also conducted. Results: During the study period, from a total of 8545 births, 219 (2.5%) pregnancies were complicated with PPH. A maternal age > 35 years (OR: 2.172; 95% CI: 1.206-3.912; p = 0.010), preterm delivery (<37 weeks) (OR: 5.090; 95% CI: 2.869-9.030; p < 0.001) and parity (OR: 1.701; 95% CI: 1.164-2.487; p = 0.006) were identified as risk factors for PPH. Uterine atony was the main cause of PPH in 54.8% of the women, followed by placental retention in 30.5% of the sample. Regarding management, 57.9% (n = 127) of the women received uterotonic medication, while in 7.3% (n = 16), a cesarean hysterectomy was performed to control PPH. Preterm delivery (OR: 2.162; 95% CI: 1.138-4.106; p = 0.019) and delivery via a cesarean section (OR: 4.279; 95% CI: 1.921-9.531; p < 0.001) were associated with a higher need for multiple treatment modalities. Prematurity (OR: 8.695; 95% CI: 2.324-32.527; p = 0.001) was identified as an independent predictor for an obstetric hysterectomy. From the retrospective analysis of the births complicated by PPH, no maternal death was identified. Conclusions: Most of the cases complicated with PPH were managed with uterotonic medication. An advanced maternal age, prematurity and multiparity had a significant impact on the occurrence of PPH. More research is needed on the risk factors of PPH, while the establishment of validated predictive models would be of value.
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Affiliation(s)
- Kyriaki Mitta
- Third Department of Obstetrics and Gynecology, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece
| | - Ioannis Tsakiridis
- Third Department of Obstetrics and Gynecology, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece
| | - Themistoklis Dagklis
- Third Department of Obstetrics and Gynecology, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece
| | - Riola Grigoriadou
- Third Department of Obstetrics and Gynecology, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece
| | - Apostolos Mamopoulos
- Third Department of Obstetrics and Gynecology, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece
| | - Apostolos Athanasiadis
- Third Department of Obstetrics and Gynecology, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece
| | - Ioannis Kalogiannidis
- Third Department of Obstetrics and Gynecology, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece
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Latt SM, Alderdice F, Elkington M, Awng Shar M, Kurinczuk JJ, Rowe R. Primary postpartum haemorrhage and longer-term physical, psychological, and psychosocial health outcomes for women and their partners in high income countries: A mixed-methods systematic review. PLoS One 2023; 18:e0274041. [PMID: 37315027 PMCID: PMC10266652 DOI: 10.1371/journal.pone.0274041] [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: 08/19/2022] [Accepted: 05/15/2023] [Indexed: 06/16/2023] Open
Abstract
OBJECTIVES Most research about outcomes following postpartum haemorrhage (PPH) has focused on immediate outcomes. There are fewer studies investigating longer-term maternal morbidity following PPH, resulting in a significant knowledge gap. This review aimed to synthesize the evidence about the longer-term physical and psychological consequences of primary PPH for women and their partners from high income settings. METHODS The review was registered with PROSPERO and five electronic databases were searched. Studies were independently screened against the eligibility criteria by two reviewers and data were extracted from both quantitative and qualitative studies that reported non-immediate health outcomes of primary PPH. RESULTS Data were included from 24 studies, of which 16 were quantitative, five were qualitative and three used mixed-methods. The included studies were of mixed methodological quality. Of the nine studies reporting outcomes beyond five years after birth, only two quantitative studies and one qualitative study had a follow-up period longer than ten years. Seven studies reported outcomes or experiences for partners. The evidence indicated that women with PPH were more likely to have persistent physical and psychological health problems after birth compared with women who did not have a PPH. These problems, including PTSD symptoms and cardiovascular disease, may be severe and extend for many years after birth and were more pronounced after a severe PPH, as indicated by a blood transfusion or hysterectomy. There was limited evidence about outcomes for partners after PPH, but conflicting evidence of association between PTSD and PPH among partners who witnessed PPH. CONCLUSION This review explored existing evidence about longer-term physical and psychological health outcomes among women who had a primary PPH in high income countries, and their partners. While the evidence about health outcomes beyond five years after PPH is limited, our findings indicate that women can experience long lasting negative impacts after primary PPH, including PTSD symptoms and cardiovascular disease, extending for many years after birth. PROSPERO REGISTRATION PROSPERO registration number: CRD42020161144.
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Affiliation(s)
- Su Mon Latt
- National Perinatal Epidemiology Unit, Nuffield Department of Population Health, University of Oxford, Oxford, United Kingdom
| | - Fiona Alderdice
- National Perinatal Epidemiology Unit, Nuffield Department of Population Health, University of Oxford, Oxford, United Kingdom
| | - Madeline Elkington
- National Perinatal Epidemiology Unit, Nuffield Department of Population Health, University of Oxford, Oxford, United Kingdom
| | - Mahkawnghta Awng Shar
- Health and Nutrition Specialist, United Nations International Children Fund, Myanmar
| | - Jennifer J. Kurinczuk
- National Perinatal Epidemiology Unit, Nuffield Department of Population Health, University of Oxford, Oxford, United Kingdom
| | - Rachel Rowe
- National Perinatal Epidemiology Unit, Nuffield Department of Population Health, University of Oxford, Oxford, United Kingdom
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Post SE, Rood KM, Kiefer MK. Interventions of Postpartum Hemorrhage. Clin Obstet Gynecol 2023; 66:367-383. [PMID: 37204172 DOI: 10.1097/grf.0000000000000785] [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: 05/20/2023]
Abstract
Postpartum hemorrhage is a common and potentially life-threatening obstetric complication, with successful management relying heavily on early identification of hemorrhage and prompt intervention. This article will review the management of postpartum hemorrhage, including initial steps, exam-specific interventions, medical therapy, minimally invasive, and surgical interventions.
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Affiliation(s)
- Sara E Post
- Department of Obstetrics and Gynecology, College of Medicine, The Ohio State University, Columbus, Ohio
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Pettersen S, Falk RS, Vangen S, Nyfløt LT. Exploring trends of severe postpartum haemorrhage: a hospital-based study. BMC Pregnancy Childbirth 2023; 23:363. [PMID: 37208647 DOI: 10.1186/s12884-023-05702-6] [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: 02/01/2023] [Accepted: 05/14/2023] [Indexed: 05/21/2023] Open
Abstract
BACKGROUND Over the past two decades several high-income countries have reported increased rates of postpartum haemorrhage (PPH). Many of the studies are registry studies with limited access to detailed information. We aimed to explore trends of severe PPH in the largest labour ward in Norway during a 10-year period with a hospital based study. Our population constituted all women who gave birth after week 22 at Oslo University Hospital between 2008 and 2017. The main outcome measure was severe PPH, defined as registered blood loss greater than 1500 ml, or transfusion of blood products due to PPH. METHODS We estimated the incidence of severe PPH and blood transfusions, and performed temporal trend analysis. We performed Poisson regression analysis to investigate associations between pregnancy characteristics and severe PPH, presented using crude incidence rate ratios (IRR) with 95% confidence intervals (CI)s. We also estimated annual percentage change of the linear trends. RESULTS Among 96 313 deliveries during the 10-year study period, 2621 (2.7%) were diagnosed with severe PPH. The incidence rate doubled from 17.1/1000 to 2008 to 34.2/1000 in 2017. We also observed an increased rate of women receiving blood transfusion due to PPH, from 12.2/1000 to 2008 to 27.5/1000 in 2017. The rates of invasive procedures to manage severe PPH did not increase, and we did not observe a significant increase in the number of women defined with maternal near miss or massive transfusions. No women died due to PPH during the study period. CONCLUSION We found a significant increasing trend of severe PPH and related blood transfusions during the 10-year study period. We did not find an increase in massive PPH, or in invasive management, and we suspect that the rise can be at least partly explained by increased awareness and early intervention contributing to improved registration of severe PPH.
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Affiliation(s)
- Silje Pettersen
- Norwegian Research Centre for Women's Health, Oslo University Hospital, Box 4959, Nydalen, Oslo, 0424, Norway.
- Institute of Clinical Medicine, University of Oslo, Oslo, Norway.
| | - Ragnhild Sørum Falk
- Oslo Centre for Biostatistics and Epidemiology, Oslo University Hospital, Oslo, Norway
| | - Siri Vangen
- Norwegian Research Centre for Women's Health, Oslo University Hospital, Box 4959, Nydalen, Oslo, 0424, Norway
- Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Lill Trine Nyfløt
- Norwegian Research Centre for Women's Health, Oslo University Hospital, Box 4959, Nydalen, Oslo, 0424, Norway
- Department of Obstetrics, Drammen Hospital, Drammen, Norway
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Zewdu D, Tantu T, Ali R, Demissie H, Baboker P, Daniel Z, Wondwosen M, Yehualashet T. Prevalence and predictors of postpartum anemia after caesarean delivery in Ethiopia: A retrospective analysis of risk factors. Midwifery 2023; 123:103707. [PMID: 37187101 DOI: 10.1016/j.midw.2023.103707] [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: 12/27/2022] [Revised: 04/01/2023] [Accepted: 04/27/2023] [Indexed: 05/17/2023]
Abstract
BACKGROUND Despite the burden of anemia during pregnancy has been extensively studied, the magnitude of postpartum anemia (PPA) and its predictors, especially after caesarean delivery remains unexplored. Therefore, we investigated the prevalence of postpartum anemia, and its predictors among women who underwent cesarean delivery. METHODS A retrospective study was conducted among women who underwent caesarean delivery in Southern Ethiopia. Data were retrospectively retrieved from the medical records of the participants. Multivariate logistic regression analysis identified independent predictors associated with postpartum anemia. An adjusted odd ratio (AOR), and a 95% confidence interval (CI), were used to identify associations. A p-value < 0.05 is considered statistically significant. RESULTS A total of 368 women who underwent caesarean delivery were included in this study. The overall incidence of PPA using a cut-off value of hemoglobin level < 11 g/dl after cesarean delivery was 103(28%). Multiple logistic regression analysis showed that the predictors of PPA were more likely among women with Prepartum Anemia (AOR=5.46: 95% CI=2.09-14.31), Grand parity (AOR=3.98: 95% CI=1.45-10.90), Placenta previa (AOR=7.73: 95% CI=1.91-31.38), ANC follow-up < 3 times (AOR=2.33: 95% CI=1.07-3.47), and those who developed Postpartum Hemorrhage (AOR=2.73: 95% CI=1.51-4.93). CONCLUSION More than one-fourth of women who underwent caesarean delivery in Southern Ethiopia had PPA. Poor ANC- follow-up, grand parity, placenta previa, Prepartum anemia, and PPH were the best predictors of PPA. Therefore, implementing strategies that consider the identified predictors could help to reduce the prevalence of PPA and its complications.
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Affiliation(s)
- Dereje Zewdu
- Department of Anesthesia, College of Medicine and Health Science, Wolkite University, Wolkite, Ethiopia
| | - Temesgen Tantu
- Department of Obstetrics and Gynecology, College of Medicine and Health Science, Wolkite University, Wolkite, Ethiopia.
| | - Rebi Ali
- Department of Obstetrics and Gynecology, College of Medicine and Health Science, Wolkite University, Wolkite, Ethiopia
| | - Haile Demissie
- Department of Anesthesia, College of Medicine and Health Science, Wolkite University, Wolkite, Ethiopia
| | - Petros Baboker
- Department of Anesthesia, College of Medicine and Health Science, Wolkite University, Wolkite, Ethiopia
| | - Zelele Daniel
- Department of Obstetrics and Gynecology, College of Medicine and Health Science, Wolkite University, Wolkite, Ethiopia
| | - Mekete Wondwosen
- Department of Surgery, College of Medicine and Health Science, Wolkite University, Wolkite, Ethiopia
| | - Tsion Yehualashet
- Department of Internal Medicine, College of Medicine and Health Science, Wolkite University, Wolkite, Ethiopia
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Guzeltas G, Ibanoglu MC, Engin-Üstün Y. Cysteinyl Leukotriene and Systemic Inflammatory Levels in Preeclampsia. Cureus 2023; 15:e37764. [PMID: 37213986 PMCID: PMC10194035 DOI: 10.7759/cureus.37764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/18/2023] [Indexed: 05/23/2023] Open
Abstract
Background In this study, we aimed to demonstrate the efficacy of cysteinyl leukotriene levels, which play a role in inflammation, in predicting the severity of preeclampsia (PE) and to determine whether this marker can be used as a screening tool. Methods In this cross-sectional analytic study, we classified pregnant women who were normotensive (control) or PE or severe PE (SPE) between March 2019 and July 2019. Singleton pregnant 60 women who met the following criteria for the diagnosis of PE were included in the study group. We identified 30 patients with PE and 30 patients with SPE. Normotensive pregnant women (n=30) who met this criterion were included as a control group by randomly selecting them on odd days of the week. Results All pregnant women who participated in the study had a singleton pregnancy, and maternal age ranged from 18 to 40 years, with a mean age of 28.77±6.37 years. The mean gestational week of the group was 35.54±3.247 weeks. Gestational age was higher in women in the control group (p=0.018), shock index was higher in women in the control group (p < 0.001), and body mass index (BMI) value was lower in this group than in the other groups (p=0.002). The values of mean arterial pressure (MAP) were found to have a strong correlation with shock index value and a weak and negative correlation with gestational week and platelet/lymphocyte ratio (p < 0.05). The mean cysteinyl leukotriene levels of 206.15 pg/mL for the control group, 273.2 pg/mL for PE, and 211.85 pg/mL for SPE were calculated. However, no statistically significant difference was found between the groups (p=0.707). Conclusion We found that cysteinyl leukotrienes were not clinically important in assessing the risk for developing PE and predicting SPE. Alanine aminotransferase, white blood cell, lymphocyte, C-reactive protein, platelet/lymphocyte ratio, and shock index were positively correlated with the value of MAP.
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Affiliation(s)
- Gokhan Guzeltas
- Obstetrics, University of Health Sciences Ankara City Hospital, Ankara, TUR
| | | | - Yaprak Engin-Üstün
- Obstetrics and Gynecology, University of Health Sciences Etlik Zubeyde Hanim Women's Health Training and Research Hospital, Ankara, TUR
- Obstetrics and Gynecology, Zekai Tahir Burak Womens Health Research and Education Hospital, Ankara, TUR
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Gallo DM, Romero R, Bosco M, Chaiworapongsa T, Gomez-Lopez N, Arenas-Hernandez M, Jung E, Suksai M, Gotsch F, Erez O, Tarca AL. Maternal plasma cytokines and the subsequent risk of uterine atony and postpartum hemorrhage. J Perinat Med 2023; 51:219-232. [PMID: 35724639 PMCID: PMC9768104 DOI: 10.1515/jpm-2022-0211] [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: 05/02/2022] [Accepted: 05/23/2022] [Indexed: 11/15/2022]
Abstract
OBJECTIVES To determine whether the maternal plasma concentrations of cytokines are higher in pregnant women with postpartum hemorrhage (PPH) compared to pregnant women without PPH. METHODS A retrospective case-control study included 36 women with PPH and 72 matched controls. Cases and controls were matched for gestational age at delivery, labor status, delivery route, parity, and year of sample collection. Maternal plasma samples were collected up to 3 days prior to delivery. Comparison of the plasma concentrations of 29 cytokines was performed by using linear mixed-effects models and included adjustment for covariates and multiple testing. A false discovery rate adjusted p-value <0.1 was used to infer significance. Random forest models with evaluation by leave-one-out and 9-fold cross-validation were used to assess the combined value of the proteins in predicting PPH. RESULTS Concentrations of interleukin (IL)-16, IL-6, IL-12/IL-23p40, monocyte chemotactic protein 1 (MCP-1), and IL-1β were significantly higher in PPH than in the control group. This difference remained significant after adjustment for maternal age, clinical chorioamnionitis, and preeclampsia. Multi-protein random forest proteomics models had moderate cross-validated accuracy for prediction of PPH [area under the ROC curve, 0.69 (0.58-0.81) by leave-one-out cross validation and 0.73 (0.65-0.81) by 9-fold cross-validation], and the inclusion of clinical and demographic information did not increase the prediction performance. CONCLUSIONS Pregnant women with severe PPH had higher median maternal plasma concentrations of IL-16, IL-6, IL-12/IL-23p40, MCP-1, and IL-1β than patients without PPH. These cytokines could serve as biomarkers or their pathways may be therapeutic targets.
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Affiliation(s)
- Dahiana M. Gallo
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, United States Department of Health and Human Services (NICHD/NIH/DHHS), Bethesda, MD, and Detroit, MI, USA,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
| | - Roberto Romero
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, United States Department of Health and Human Services (NICHD/NIH/DHHS), Bethesda, MD, and Detroit, MI, USA,Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, MI, USA,Department of Epidemiology and Biostatistics, Michigan State University, East Lansing, MI, USA,Center for Molecular Medicine and Genetics, Wayne State University, Detroit, MI, USA,Detroit Medical Center, Detroit, MI, USA
| | - Mariachiara Bosco
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, United States Department of Health and Human Services (NICHD/NIH/DHHS), Bethesda, MD, and Detroit, MI, USA,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
| | - Tinnakorn Chaiworapongsa
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, United States Department of Health and Human Services (NICHD/NIH/DHHS), Bethesda, MD, and Detroit, MI, USA,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
| | - Nardhy Gomez-Lopez
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, United States Department of Health and Human Services (NICHD/NIH/DHHS), Bethesda, MD, and Detroit, MI, USA,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA,Department of Biochemistry, Microbiology and Immunology, Wayne State University School of Medicine, Detroit, MI, USA
| | - Marcia Arenas-Hernandez
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, United States Department of Health and Human Services (NICHD/NIH/DHHS), Bethesda, MD, and Detroit, MI, USA,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
| | - Eunjung Jung
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, United States Department of Health and Human Services (NICHD/NIH/DHHS), Bethesda, MD, and Detroit, MI, USA,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
| | - Manaphat Suksai
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, United States Department of Health and Human Services (NICHD/NIH/DHHS), Bethesda, MD, and Detroit, MI, USA,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
| | - Francesca Gotsch
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, United States Department of Health and Human Services (NICHD/NIH/DHHS), Bethesda, MD, and Detroit, MI, USA,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
| | - Offer Erez
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, United States Department of Health and Human Services (NICHD/NIH/DHHS), Bethesda, MD, and Detroit, MI, USA,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA,Department of Obstetrics and Gynecology, HaEmek Medical Center, Afula, Israel
| | - Adi L. Tarca
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, United States Department of Health and Human Services (NICHD/NIH/DHHS), Bethesda, MD, and Detroit, MI, USA,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA,Department of Computer Science, Wayne State University College of Engineering, Detroit, MI, USA
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Investigation of The Effects of Oxytocin Administration Timing on Postpartum Hemorrhage during Cesarean Section. MEDICINA (KAUNAS, LITHUANIA) 2023; 59:medicina59020222. [PMID: 36837424 PMCID: PMC9967335 DOI: 10.3390/medicina59020222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 01/17/2023] [Accepted: 01/19/2023] [Indexed: 01/27/2023]
Abstract
Background and Objectives: To determine and compare the effects of the timing of oxytocin administration (routinely used for intraoperative uterotonic purposes in cesarean section (CS) deliveries in our clinic) on the severity of postpartum hemorrhage following CS. Materials and Methods: All study participants (n = 216) had previous cesarean deliveries, were 38-40 weeks pregnant, and had CS planned under elective conditions. The cases were randomly divided into two groups: one group (n = 108) receiving oxytocin administration before the removal of the placenta (AOBRP) and another group (n = 108) receiving oxytocin administration after the removal of the placenta (AOARP). In all cases, the placenta was removed using the manual traction method. The standard dose of oxytocin is administered as an intravenous (IV) push of 3 international units (IU); simultaneously, 10 IU of oxytocin is added to 1000 cc isotonic fluid and given as an IV infusion at a rate of 250 cc/h. All methods and procedures applied to both groups were identical, except for the timing of administration of the standard oxytocin dose. Age, body mass index (BMI), parity, gestational week, preoperative hemoglobin (HB) and hematocrit (HTC), postoperative 6th and 24th hour HB-HTC, intraoperative hemorrhage, additional uterotonic need during cesarean section, postoperative hemorrhage (number of pads), need for blood transfusion during or after cesarean section, cesarean section time, and postpartum newborn baby weight were evaluated. Results: Age (year), BMI (kg/m2), parity, gestational week, surgical time, and newborn weight (g) did not differ between the groups (p > 0.05). The AOBRP group had significantly higher postoperative 6th hour HB and HTC and postoperative 24th hour HB and HTC values (p < 0.05). The intraoperative hemorrhage level was higher in the AOARP group (p = 0.000). Conclusions: The administration of oxytocin before placenta removal did not change the volume of bleeding in the postoperative period but significantly reduced the volume of bleeding in the intraoperative period. Therefore, in the postoperative period, the HB and HTC values of the AOBRP group were higher than those of the AOARP group.
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Postpartum Hemorrhage Trends and Outcomes in the United States, 2000-2019. Obstet Gynecol 2023; 141:152-161. [PMID: 36701615 DOI: 10.1097/aog.0000000000004972] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2022] [Accepted: 08/19/2022] [Indexed: 12/23/2022]
Abstract
OBJECTIVE To analyze temporal trends in and risk factors for postpartum hemorrhage and to analyze the association of risk factors with postpartum hemorrhage-related interventions such as blood transfusion and peripartum hysterectomy. METHODS This repeated cross-sectional study analyzed delivery hospitalizations from 2000 to 2019 in the National (Nationwide) Inpatient Sample. Trends analyses were conducted using joinpoint regression to estimate the average annual percent change (AAPC) with 95% CIs. Unadjusted and adjusted survey-weighted logistic regression models were performed to evaluate the relationship between postpartum hemorrhage risk factors and likelihood of 1) postpartum hemorrhage, 2) postpartum hemorrhage that requires blood transfusion, and 3) peripartum hysterectomy in the setting of postpartum hemorrhage, with unadjusted odds ratios and adjusted odds ratios with 95% CIs as measures of association. RESULTS Of an estimated 76.7 million delivery hospitalizations, 2.3 million (3.0%) were complicated by postpartum hemorrhage. From 2000 to 2019, the rate of postpartum hemorrhage increased from 2.7% to 4.3% (AAPC 2.6%, 94% CI 1.7-3.5%). Over the study period, the proportion of deliveries to individuals with at least one postpartum hemorrhage risk factor increased from 18.6% to 26.9% (AAPC 1.9%, 95% CI 1.7-2.0%). Among deliveries complicated by postpartum hemorrhage, blood transfusions increased from 5.4% to 16.7% from 2000 to 2011 and then decreased from 16.7% to 12.6% from 2011 to 2019. Peripartum hysterectomy among hospitalized individuals with postpartum hemorrhage increased from 1.4% to 2.4% from 2000 to 2009, did not change significantly from 2009 to 2016, and then decreased significantly from 2.1% to 0.9% from 2016 to 2019 (AAPC -27.0%, 95% CI -35.2% to -17.6%). Risk factors associated with postpartum hemorrhage and transfusion and hysterectomy in the setting of postpartum hemorrhage included prior cesarean delivery with previa or placenta accreta, placenta previa without prior cesarean delivery, and antepartum hemorrhage or placental abruption. CONCLUSION Postpartum hemorrhage and related risk factors increased over a 20-year period. Despite the increased postpartum hemorrhage rates, blood transfusions, and hysterectomy rates decreased in recent years.
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Clarke-Deelder E, Opondo K, Achieng E, Garg L, Han D, Henry J, Guha M, Lightbourne A, Makin J, Miller N, Otieno B, Borovac-Pinheiro A, Suarez-Rebling D, Menzies NA, Burke T, Oguttu M, McConnell M, Cohen J. Quality of care for postpartum hemorrhage: A direct observation study in referral hospitals in Kenya. PLOS GLOBAL PUBLIC HEALTH 2023; 3:e0001670. [PMID: 36963063 PMCID: PMC10022124 DOI: 10.1371/journal.pgph.0001670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Accepted: 02/08/2023] [Indexed: 03/06/2023]
Abstract
Postpartum hemorrhage (PPH) is the leading cause of maternal mortality in Kenya. The aim of this study was to measure quality and timeliness of care for PPH in a sample of deliveries in referral hospitals in Kenya. We conducted direct observations of 907 vaginal deliveries in three Kenyan hospitals from October 2018 through February 2019, observing the care women received from admission for labor and delivery through hospital discharge. We identified cases of "suspected PPH", defined as cases in which providers indicated suspicion of and/or took an action to manage abnormal bleeding. We measured adherence to World Health Organization and Kenyan guidelines for PPH risk assessment, prevention, identification, and management and the timeliness of care in each domain. The rate of suspected PPH among the observed vaginal deliveries was 9% (95% Confidence Interval: 7% - 11%). Health care providers followed all guidelines for PPH risk assessment in 7% (5% - 10%) of observed deliveries and all guidelines for PPH prevention in 4% (3% - 6%) of observed deliveries. Lowest adherence was observed for taking vital signs and for timely administration of a prophylactic uterotonic. Providers did not follow guidelines for postpartum monitoring in any of the observed deliveries. When suspected PPH occurred, providers performed all recommended actions in 23% (6% - 40%) of cases. Many of the critical actions for suspected PPH were performed in a timely manner, but, in some cases, substantial delays were observed. In conclusion, we found significant gaps in the quality of risk assessment, prevention, identification, and management of PPH after vaginal deliveries in referral hospitals in Kenya. Efforts to reduce maternal morbidity and mortality from PPH should emphasize improvements in the quality of care, with a particular focus on postpartum monitoring and timely emergency response.
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Affiliation(s)
- Emma Clarke-Deelder
- Department of Global Health and Population, Harvard T. H. Chan School of Public Health, Boston, MA, United States of America
- Department of Epidemiology and Public Health, Swiss Tropical and Public Health Institute, Allschwil, Switzerland
| | - Kennedy Opondo
- Kisumu Medical and Education Trust, Kisumu, Kenya
- Vayu Global Health Foundation, Boston, MA, United States of America
| | | | - Lorraine Garg
- Department of Emergency Medicine, Global Health Innovation Laboratory, Massachusetts General Hospital, Boston, MA, United States of America
| | - Dan Han
- Department of Global Health and Population, Harvard T. H. Chan School of Public Health, Boston, MA, United States of America
- Lee Kuan Yew School of Public Policy, National University of Singapore, Singapore, Singapore
| | - Junita Henry
- Economics Department, Massachusetts Institute of Technology, Cambridge, MA, United States of America
| | - Moytrayee Guha
- Department of Emergency Medicine, Global Health Innovation Laboratory, Massachusetts General Hospital, Boston, MA, United States of America
- Brown University, Providence, RI, United States of America
| | - Alicia Lightbourne
- Department of Emergency Medicine, Global Health Innovation Laboratory, Massachusetts General Hospital, Boston, MA, United States of America
- Duke University, Durham, North Carolina, United States of America
| | - Jennifer Makin
- Department of Emergency Medicine, Global Health Innovation Laboratory, Massachusetts General Hospital, Boston, MA, United States of America
- Department of Obstetrics and Gynecology, University of Pittsburgh Medical Center, Pittsburgh, PA, United States of America
| | - Nora Miller
- Department of Global Health and Population, Harvard T. H. Chan School of Public Health, Boston, MA, United States of America
| | | | - Anderson Borovac-Pinheiro
- Department of Emergency Medicine, Global Health Innovation Laboratory, Massachusetts General Hospital, Boston, MA, United States of America
- Department of Obstetrics and Gynecology, School of Medical Sciences, University of Campinas, Campinas (SP), Brazil
| | - Daniela Suarez-Rebling
- Department of Emergency Medicine, Global Health Innovation Laboratory, Massachusetts General Hospital, Boston, MA, United States of America
| | - Nicolas A Menzies
- Department of Global Health and Population, Harvard T. H. Chan School of Public Health, Boston, MA, United States of America
| | - Thomas Burke
- Department of Global Health and Population, Harvard T. H. Chan School of Public Health, Boston, MA, United States of America
- Department of Emergency Medicine, Global Health Innovation Laboratory, Massachusetts General Hospital, Boston, MA, United States of America
- Harvard Medical School, Boston, MA, United States of America
| | | | - Margaret McConnell
- Department of Global Health and Population, Harvard T. H. Chan School of Public Health, Boston, MA, United States of America
| | - Jessica Cohen
- Department of Global Health and Population, Harvard T. H. Chan School of Public Health, Boston, MA, United States of America
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Arango-Montoya C, López-Arroyave MX, Marín-Ríos J, Colonia-Toro A, Bareño-Silva J. Successful vaginal delivery and maternal and perinatal outcomes in patients with a history of cesarean section and labor trial: cross-sectional study. REVISTA COLOMBIANA DE OBSTETRICIA Y GINECOLOGIA 2022; 73:369-377. [PMID: 36637385 PMCID: PMC9856610 DOI: 10.18597/rcog.3874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Accepted: 09/07/2022] [Indexed: 12/31/2022]
Abstract
Objectives To determine the proportion of successful vaginal deliveries in women with prior cesarean section; to describe maternal and perinatal complications; and to examine the factors associated with vaginal delivery. Materials and methods Descriptive cross-sectional study of women with a history of cesarean delivery, gestational age of more than 24 weeks, singleton live fetuses, with prior vaginal delivery who received care in a high complexity public institution in 2019. Patients with a history of more than one cesarean section or myomectomy were excluded. Consecutive sampling was used. Sociodemographic and obstetric variables, delivery route and maternal and perinatal complications were measured. A descriptive analysis as well as a multivariate exploratory analysis of the factors associated with successful vaginal delivery were carried out. Results Among 286 pregnant women included, the percentage of successful vaginal deliveries was 74.5 %. Maternal complications were identified in 3.2 % of vaginal delivery cases and in 6.8 % of cesarean births. Complications occurred in 1.3 % of all live neonates; there were 2 perinatal deaths. An association was found between successful vaginal delivery and a history of prior vaginal delivery (OR: 2.7; 95 % CI: 1.15-6.29); a Bishop score greater than 6 (OR: 2.2; 95 % CI: 1.03-4.56); spontaneous labor initiation (OR: 4.5; IC 95 % CI: 2.07-9.6); and maternal age under 30 years (OR:2.28; 95 % CI: 1.2-4.2). Conclusions Vaginal delivery is a safe option to consider in patients with prior cesarean section, in particular in cases of spontaneous labor initiation or prior vaginal delivery. Prospective cohorts are needed in order to confirm these findings.
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Affiliation(s)
- Carolina Arango-Montoya
- Hospital General de Medellín, Medellín (Colombia).Hospital General de MedellínMedellínColombia, Carolina Arango-Montoya. Cra. 48 # 32-102, Hospital General de Medellín, Medellín (Colombia). Correo electrónico:
| | | | - Juliana Marín-Ríos
- Hospital General de Medellín, Medellín (Colombia).Hospital General de MedellínMedellínColombia
| | - Alejandro Colonia-Toro
- Docente Universidad CES. Hospital General de Medellín, Medellín (Colombia).Universidad CESUniversidad CESMedellínColombia
| | - José Bareño-Silva
- Universidad CES, Medellín (Colombia).Universidad CESUniversidad CESMedellínColombia
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Attali E, Kern G, Fouks Y, Reicher L, Many A, Levin I, Yogev Y, Cohen A. Labor induction in third trimester non-viable fetus. J Matern Fetal Neonatal Med 2022; 35:10530-10534. [PMID: 36244686 DOI: 10.1080/14767058.2022.2134768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
OBJECTIVE We aimed to assess the efficacy of three different labor induction methods for non-viable third-trimester fetuses. METHODS This retrospective cohort study included women who had an intra-uterine fetal death or termination of pregnancy at or after 28 weeks of gestation and underwent labor induction by either transcervical foley catheter and concomitant oxytocin infusion or regular doses of vaginal Prostin© or Propess©.The primary outcome was induction to the delivery interval. Secondary outcomes included the rate of women who delivered within 24 h, time spent in the delivery room, failed induction, adverse outcomes and reported occurrence of moderate to severe pain. RESULTS Between January 2017 to June 2020, 107 women met the inclusion criteria. 25 women underwent induction of labor using transcervical foley catheter, 44 using Propess©, and 58 by Prostin©. The three groups were found to be demographically similar. The rate of women who delivered within 24 h was higher in the transcervical foley catheter group compared to the Propess© and Prostin© groups (72% vs 25% vs 29.3%, p < .001 respectively). Time to delivery was shorter among the transcervical foley catheter group compared to the Propess© and Prostin© groups (16.97 h vs 39.4 vs 39.3, p < .001 respectively). When comparing the Foley catheter group to both Propess© and Prostin©, moderate to severe pain was significantly more commonly reported in the prostaglandins groups (36.0% vs 50.0% vs 65.62%, p = .04). No difference was found in adverse outcomes, defined as intrapartum fever, post-partum hemorrhage and retained placenta. CONCLUSION Cervical foley catheter with concomitant oxytocin infusion is the most effective method for induction of labor in third trimester non-viable in fetus compared to PGE2.
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Affiliation(s)
- Emmanuel Attali
- Lis Hospital for Women, Sourasky Medical Center, Tel Aviv, Israel.,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Guy Kern
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Yuval Fouks
- Lis Hospital for Women, Sourasky Medical Center, Tel Aviv, Israel.,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Lee Reicher
- Lis Hospital for Women, Sourasky Medical Center, Tel Aviv, Israel.,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Ariel Many
- Lis Hospital for Women, Sourasky Medical Center, Tel Aviv, Israel.,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Ishai Levin
- Lis Hospital for Women, Sourasky Medical Center, Tel Aviv, Israel.,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Yariv Yogev
- Lis Hospital for Women, Sourasky Medical Center, Tel Aviv, Israel.,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Aviad Cohen
- Lis Hospital for Women, Sourasky Medical Center, Tel Aviv, Israel.,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
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Bláha J, Bartošová T. Epidemiology and definition of PPH worldwide. Best Pract Res Clin Anaesthesiol 2022; 36:325-339. [PMID: 36513428 DOI: 10.1016/j.bpa.2022.11.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Revised: 10/17/2022] [Accepted: 11/09/2022] [Indexed: 11/15/2022]
Abstract
Postpartum/peripartum hemorrhage (PPH) is an obstetric emergency complicating 1-10% of all deliveries and is a leading cause of maternal mortality and morbidity worldwide. However, the incidence of PPH differs widely according to the definition and criteria used, the way of measuring postpartum blood loss, and the population being studied with the highest numbers in developing countries. Despite all the significant progress in healthcare, the incidence of PPH is rising due to an incomplete implementation of guidelines, resulting in treatment delays and suboptimal care. A consensus clinical definition of PPH is needed to enable awareness, early recognition, and initiation of appropriate intensive treatment. Unfortunately, the most used definition of PPH based on blood loss ≥500 ml after delivery suffers from inaccuracies in blood loss quantification and is not clinically relevant in most cases, as the amount of blood loss does not fully reflect the severity of bleeding.
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Affiliation(s)
- Jan Bláha
- Department of Anaesthesiology and Intensive Care Medicine, First Faculty of Medicine, Charles University and General University Hospital in Prague, U Nemocnice 2, 128 08, Prague 2, Czech Republic.
| | - Tereza Bartošová
- Department of Anaesthesiology and Intensive Care Medicine, First Faculty of Medicine, Charles University and General University Hospital in Prague, U Nemocnice 2, 128 08, Prague 2, Czech Republic.
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Lawrence ER, Klein TJ, Beyuo TK. Maternal Mortality in Low and Middle-Income Countries. Obstet Gynecol Clin North Am 2022; 49:713-733. [DOI: 10.1016/j.ogc.2022.07.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Erickson EN, Krol KM, Perkeybile AM, Connelly JJ, Myatt L. Oxytocin receptor single nucleotide polymorphism predicts atony-related postpartum hemorrhage. BMC Pregnancy Childbirth 2022; 22:884. [PMID: 36447139 PMCID: PMC9706912 DOI: 10.1186/s12884-022-05205-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Accepted: 11/10/2022] [Indexed: 11/30/2022] Open
Abstract
BACKGROUND Postpartum hemorrhage remains a key contributor to overall maternal morbidity in the United States. Current clinical assessment methods used to predict postpartum hemorrhage are unable to prospectively identify about 40% of hemorrhage cases. Oxytocin is a first-line pharmaceutical for preventing and treating postpartum hemorrhage, which acts through oxytocin receptors on uterine myocytes. Existing research indicates that oxytocin function is subject to variation, influenced in part by differences in the DNA sequence within the oxytocin receptor gene. One variant, rs53576, has been shown to be associated with variable responses to exogenous oxytocin when administered during psychological research studies. How this variant may influence myometrial oxytocin response in the setting of third stage labor has not been studied. We tested for differences in the frequency of the oxytocin receptor genotype at rs53576 in relationship to the severity of blood loss among a sample of individuals who experienced vaginal birth. METHODS A case-control prospective design was used to enroll 119 postpartum participants who underwent vaginal birth who were at least 37 weeks of gestation. Cases were defined by either a 1000 mL or greater blood loss or instances of heavier bleeding where parturients were given additional uterotonic treatment due to uterine atony. Controls were matched to cases on primiparity and labor induction status. Genotype was measured from a maternal blood sample obtained during the 2nd postpartum month from 95 participants. Statistical analysis included bivariate tests and generalized linear and Poisson regression modeling. RESULTS The distribution of the genotype across the sample of 95 participants was 40% GG (n = 38), 50.5% AG (n = 48) and 9.5% AA (n = 9). Blood loss of 1000 mL or greater occurred at a rate of 7.9% for GG, 12.5% for AG and 55.6% for AA participants (p = 0.005). Multivariable models demonstrated A-carriers (versus GG) had 275.2 mL higher blood loss (95% CI 96.9-453.4, p < 0.01) controlling for parity, intrapartum oxytocin, self-reported ancestry, active management of third stage or genital tract lacerations. Furthermore, A-carrier individuals had a 79% higher risk for needing at least one second-line treatment (RR = 1.79, 95% CI = 1.08-2.95) controlling for covariates. Interaction models revealed that A-carriers who required no oxytocin for labor stimulation experienced 371.4 mL greater blood loss (95% CI 196.6-546.2 mL). CONCLUSIONS We provide evidence of a risk allele in the oxytocin receptor gene that may be involved in the development of postpartum hemorrhage among participants undergoing vaginal birth, particularly among those with fewer risk factors. The findings, if reproducible, could be useful in studying pharmacogenomic strategies for predicting, preventing or treating postpartum hemorrhage.
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Affiliation(s)
- Elise N. Erickson
- grid.134563.60000 0001 2168 186XPresent Address: University of Arizona, Tucson, AZ USA ,grid.5288.70000 0000 9758 5690Oregon Health and Science University, OR Portland, USA
| | - Kathleen M. Krol
- grid.27755.320000 0000 9136 933XUniversity of Virginia, Charlottesville, VA USA
| | | | - Jessica J. Connelly
- grid.27755.320000 0000 9136 933XUniversity of Virginia, Charlottesville, VA USA
| | - Leslie Myatt
- grid.5288.70000 0000 9758 5690Oregon Health and Science University, OR Portland, USA
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Akter S, Forbes G, Miller S, Galadanci H, Qureshi Z, Fawcus S, Justus Hofmeyr G, Moran N, Singata-Madliki M, Amole TG, Gwako G, Osoti A, Thomas E, Gallos I, Mammoliti KM, Coomarasamy A, Althabe F, Lorencatto F, Bohren MA. Detection and management of postpartum haemorrhage: Qualitative evidence on healthcare providers' knowledge and practices in Kenya, Nigeria, and South Africa. Front Glob Womens Health 2022; 3:1020163. [PMID: 36467287 PMCID: PMC9715762 DOI: 10.3389/fgwh.2022.1020163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Accepted: 10/26/2022] [Indexed: 11/21/2022] Open
Abstract
Background Postpartum haemorrhage (PPH) is the leading cause of maternal death globally. Most PPH deaths can be avoided with timely detection and management; however, critical challenges persist. A multi-country cluster-randomised trial (E-MOTIVE) will introduce a clinical care bundle for early detection and first-response PPH management in hospital settings. This formative qualitative study aimed to explore healthcare providers' knowledge and practices of PPH detection and management after vaginal birth, to inform design and implementation of E-MOTIVE. Methods Between July 2020-June 2021, semi-structured qualitative interviews were conducted with 45 maternity healthcare providers (midwives, nurses, doctors, managers) of nine hospitals in Kenya, Nigeria, and South Africa. A thematic analysis approach was used. Results Four key themes were identified, which varied across contexts: in-service training on emergency obstetric care; limited knowledge about PPH; current approaches to PPH detection; and current PPH management and associated challenges. PPH was recognised as an emergency but understanding of PPH varied. Early PPH detection was limited by the subjective nature of visual estimation of blood loss. Lack of expertise on PPH detection and using visual estimation can result in delays in initiation of PPH management. Shortages of trained staff and essential resources, and late inter-hospital referrals were common barriers to PPH management. Conclusion There are critical needs to address context-specific barriers to early and timely detection and management of PPH in hospital settings. These findings will be used to develop evidence-informed implementation strategies, such as improved in-service training, and objective measurement of blood loss, which are key components of the E-MOTIVE trial (Trial registration: ClinicalTrials.gov: NCT04341662).
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Affiliation(s)
- Shahinoor Akter
- Gender and Women’s Health Unit, Centre for Health Equity, University of Melbourne School of Population and Global Health, Carlton, VIC, Australia
| | - Gillian Forbes
- Centre for Behaviour Change, University College London, London, United Kingdom
| | - Suellen Miller
- Department of Obstetrics, and Reproductive Sciences, School of Medicine, University of California, San Francisco, United States
| | - Hadiza Galadanci
- Africa Center of Excellence for Population Health and Policy, Bayero University Kano, Kano, Nigeria
| | - Zahida Qureshi
- Department of Obstetrics and Gynaecology, University of Nairobi, Nairobi, Kenya
| | - Sue Fawcus
- Department of Obstetrics and Gynaecology, University Cape Town, Cape Town, South Africa
| | - G. Justus Hofmeyr
- Department of Obstetrics and Gynaecology, University of Botswana, Gaborone, Botswana
- Effective Care Research Unit, Department of Obstetrics and Gynaecology, Universities of Witwatersrand and Walter Sisulu University, East London, South Africa
| | - Neil Moran
- KwaZulu-Natal Department of Health, and Department of Obstetrics and Gynaecology, School of Clinical Medicine, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa
| | - Mandisa Singata-Madliki
- Effective Care Research Unit, Department of Obstetrics and Gynaecology, Universities of Witwatersrand and Walter Sisulu University, East London, South Africa
| | - Taiwo Gboluwaga Amole
- Africa Center of Excellence for Population Health and Policy, Bayero University Kano and Department of Community Medicine, Bayero University/Aminu Kano Teaching Hospital, Kano, Nigeria
| | - George Gwako
- Department of Obstetrics and Gynaecology, University of Nairobi, Nairobi, Kenya
| | - Alfred Osoti
- Department of Obstetrics and Gynaecology, University of Nairobi, Nairobi, Kenya
- Department of Global Health University of Washington, United States
| | - Eleanor Thomas
- WHO Collaborating Centre on Global Women’s Health, Institute of Metabolism and Systems Research, College of Medical and Dental Sciences, University of Birmingham, London, United Kingdom
| | - Ioannis Gallos
- WHO Collaborating Centre on Global Women’s Health, Institute of Metabolism and Systems Research, College of Medical and Dental Sciences, University of Birmingham, London, United Kingdom
| | - Kristie-Marie Mammoliti
- WHO Collaborating Centre on Global Women’s Health, Institute of Metabolism and Systems Research, College of Medical and Dental Sciences, University of Birmingham, London, United Kingdom
| | - Arri Coomarasamy
- WHO Collaborating Centre on Global Women’s Health, Institute of Metabolism and Systems Research, College of Medical and Dental Sciences, University of Birmingham, London, United Kingdom
| | - Fernando Althabe
- UNDP/UNFPA/UNICEF/wHO/World Bank Special Programme of Research, Development and Research Training in Human Reproduction (HRP), Department of Sexual and Reproductive Health and Research, World Health Organization, Geneva, Switzerland
| | - Fabiana Lorencatto
- Centre for Behaviour Change, University College London, London, United Kingdom
| | - Meghan A. Bohren
- Gender and Women’s Health Unit, Centre for Health Equity, University of Melbourne School of Population and Global Health, Carlton, VIC, Australia
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Faria I, Thivalapill N, Makin J, Puyana JC, Raykar N. Bleeding, Hemorrhagic Shock, and the Global Blood Supply. Crit Care Clin 2022; 38:775-793. [PMID: 36162910 DOI: 10.1016/j.ccc.2022.06.013] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Hemorrhage is responsible for at least 40% of deaths after trauma and 27% of maternal deaths worldwide. Patients with hemorrhagic shock require attentive critical care and transfusion of blood products. Access to a safe and affordable blood supply is critical to providing safe surgical care. Traumatic injury, obstetric hemorrhage, and upper gastrointestinal bleed are the main causes of severe bleeding requiring transfusion. This article discusses the presentation and management of these causes across the world and provides a brief overview of the current challenges in maintaining a global blood supply.
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Affiliation(s)
- Isabella Faria
- Program in Global Surgery and Social Change, Harvard Medical School, 641 Hungtington Avenue, Boston, MA 02115, USA; Faculdade de Medicina da Universidade Federal de Minas Gerais, 190 Avenida Professor Alfredo Balena, Belo Horizonte, MG 31130450, Brazil
| | - Neil Thivalapill
- Institute for Public Health and Medicine, Northwestern University Feinberg School of Medicine, 420 East Superior Street, Chicago IL 60611, USA
| | - Jennifer Makin
- Department of Obstetrics, Gynecology and Reproductive Science, The University of Pittsburgh Medical Center Magee - Women's Hospital, 300 Halket Street, Pittsburgh, PA 15213, USA
| | - Juan Carlos Puyana
- Critical Care Medicine, and Clinical Translational Science, Pittsburgh, PA 15213, USA; University of Pittsburgh, UPMC Presbyterian, F1263, 200 Lothrop Street, Pittsburgh, PA 15213, USA
| | - Nakul Raykar
- Program in Global Surgery and Social Change, Harvard Medical School, 641 Hungtington Avenue, Boston, MA 02115, USA; Division of Trauma & Emergency Surgery, Center for Surgery and Public Health, Brigham and Women's Hospital, 75 Francis Street, Boston, MA 02215, USA.
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Lavoie P, Lapierre A, Maheu-Cadotte MA, Rodriguez D, Lavallée A, Mailhot T. Improving the recognition and management of hemorrhage: A scoping review of nursing and midwifery education. NURSE EDUCATION TODAY 2022; 113:105361. [PMID: 35429750 DOI: 10.1016/j.nedt.2022.105361] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 03/16/2022] [Accepted: 04/01/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND Hemorrhage is a frequent complication that nurses and midwives must recognize and manage to avoid life-threatening consequences for patients. There is currently no synthesis of evidence on educational interventions in nursing and midwifery regarding hemorrhage, thus limiting the definition of best practices. OBJECTIVE To map the literature on nursing and midwifery education regarding the recognition and management of hemorrhage. DESIGN Scoping review based on the Joanna Briggs Institute guidelines. DATA SOURCES Quantitative studies evaluating the effect of educational interventions with students, nurses, or midwives published in English or French, with no time limit. REVIEW METHODS Study selection, data extraction, and quality assessment were conducted by two independent reviewers. We characterized educational interventions based on the Guideline for Reporting Evidence-Based Practice Educational Interventions and Teaching. We categorized learning outcomes using the New World Kirkpatrick Model. Methodological quality appraisal was performed with tools from the Joanna Briggs Institute. Findings were synthesized using descriptive statistics and graphical methods RESULT: Most of the 38 studies used a single-group design (n = 26, 68%) and were conducted with professionals (n = 28, 74%) in hospital settings (n = 20, 53%). Most were of low (n = 14; 37%) or moderate (n = 18, 47%) methodological quality. Most interventions focused on postpartum hemorrhage (n = 34, 89%) and combined two or more teaching strategies (n = 25, 66%), often pairing an informational segment (e.g., lecture, readings) with a practical session (e.g., workshop, simulation). Learning outcomes related to the management (n = 27; 71%) and recognition of hemorrhage (n = 19, 50%), as well as results for patients and organizations (n = 9, 24%). CONCLUSION Considerable heterogeneity in interventions and learning outcomes precluded conducting a systematic review of effectiveness. High-quality, controlled studies are needed, particularly in surgery and trauma. Reflection on the contribution of nurses and midwives to the detection, monitoring, and management of hemorrhage could enrich the content and expected outcomes of hemorrhage education.
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Affiliation(s)
- Patrick Lavoie
- Faculty of Nursing, Université de Montréal, 2375 Chemin De la Côte-Sainte-Catherine, Montreal, Quebec H3C 3J7, Canada; Montreal Heart Institute Research Center, 5000 rue Bélanger, Montreal, Quebec H1T 1C8, Canada.
| | - Alexandra Lapierre
- Faculty of Nursing, Université de Montréal, 2375 Chemin De la Côte-Sainte-Catherine, Montreal, Quebec H3C 3J7, Canada
| | - Marc-André Maheu-Cadotte
- Faculty of Nursing, Université de Montréal, 2375 Chemin De la Côte-Sainte-Catherine, Montreal, Quebec H3C 3J7, Canada; Montreal Heart Institute Research Center, 5000 rue Bélanger, Montreal, Quebec H1T 1C8, Canada
| | - Dora Rodriguez
- Faculty of Nursing, Université de Montréal, 2375 Chemin De la Côte-Sainte-Catherine, Montreal, Quebec H3C 3J7, Canada
| | - Andréane Lavallée
- Department of Pediatrics, Columbia University Medical Center, 51 Audubon Ave, Suite 100, New York, NY 10032, United States
| | - Tanya Mailhot
- Faculty of Nursing, Université de Montréal, 2375 Chemin De la Côte-Sainte-Catherine, Montreal, Quebec H3C 3J7, Canada; Montreal Heart Institute Research Center, 5000 rue Bélanger, Montreal, Quebec H1T 1C8, Canada
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Cao X, Luo Y, Zhou S, Zhao Q, Qin X, Liu Z, Xu Z. Twin Growth Discordance and Risk of Postpartum Hemorrhage: A Retrospective Cohort Study. Front Med (Lausanne) 2022; 9:876411. [PMID: 35692549 PMCID: PMC9174790 DOI: 10.3389/fmed.2022.876411] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Accepted: 04/25/2022] [Indexed: 11/30/2022] Open
Abstract
Background In recent years, the incidence of postpartum hemorrhage has increased globally. Multiple pregnancies and cesarean sections are well-known risk factors for postpartum hemorrhage. No studies have evaluated the associations between fetal growth anomalies and postpartum hemorrhage in women with twin pregnancies undergoing cesarean section. This study aimed to identify the relationship between fetal growth anomalies and postpartum hemorrhage in women with twin pregnancies undergoing cesarean section. Methods This retrospective single-center study included 3,180 women with twin pregnancies at a tertiary hospital between August 2013 and July 2020. Singleton reference charts were used to assess fetal growth restriction at birth. Discordant growth was defined as an intertwin birth weight difference of ≥20%. Logistic regression analyses were used to evaluate the association between fetal growth anomalies and postpartum hemorrhage. Additionally, sensitivity analysis of abnormal placenta and stratification by twin chorionicity were conducted. Results The overall incidence of postpartum hemorrhage was 4.3%. Twin growth discordance, especially with fetal growth restriction, was associated with an increased risk of postpartum hemorrhage (adjusted odds ratio [AOR] = 1.62, 95% confidence interval [CI], 1.05-2.51, P = 0.031; AOR = 1.71; 95% CI, 1.08-2.70, P = 0.022; AOR = 1.98, 95% CI, 1.21-3.25, P = 0.006, respectively). After stratification, this relationship persisted in dichorionic twins (OR = 1.71, 95% CI, 1.04-2.82, P = 0.036; OR = 1.90, 95% CI, 1.13-3.21, P = 0.016; OR = 2.48, 95% CI, 1.41-4.38, P = 0.002, respectively). However, no significant association was observed in monochorionic twin pregnancies. Conclusion Growth discordance, especially complicated by fetal growth restriction, was associated with an increased risk of postpartum hemorrhage in women with twin pregnancies undergoing cesarean section, and was more evident in patients with dichorionic twins.
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Affiliation(s)
- Xiuhong Cao
- Department of Anesthesiology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Ye Luo
- Department of Research and Education, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Shuangqiong Zhou
- Department of Anesthesiology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Qingsong Zhao
- Department of Anesthesiology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Xuewei Qin
- Department of Obstetrics, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Zhiqiang Liu
- Department of Anesthesiology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Zhendong Xu
- Department of Anesthesiology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, China
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Voillequin S, Rozenberg P, Ravaud P, Rousseau A. Promptness of oxytocin administration for first-line treatment of postpartum hemorrhage: a national vignette-based study among midwives. BMC Pregnancy Childbirth 2022; 22:353. [PMID: 35461215 PMCID: PMC9034651 DOI: 10.1186/s12884-022-04648-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Accepted: 03/31/2022] [Indexed: 11/24/2022] Open
Abstract
Background Postpartum hemorrhage (PPH) remains a leading cause of maternal morbidity and mortality worldwide. Midwives play a key role in the initial management of PPH. Uterotonic agents are widely used in its prevention and treatment, with oxytocin the first-line agent. Nonetheless, a standardized guideline for optimal dose and rate of administration has not been clearly defined. The aim of this study was to investigate French midwives’ practices regarding first-line oxytocin treatment and the factors influencing its delayed administration. Methods This multicenter study was based on clinical vignettes of PPH management collected using an anonymous online questionnaire. A random sample of midwives from 145 maternity units in France from 15 randomly selected perinatal networks were invited to participate by email. The Previously validated case vignettes described two different scenarios of severe PPH. Vignette 1 described a typical immediate, severe PPH, and vignette 2 a less typical case of severe but gradual PPH They were constructed in three successive steps and included multiple-choice questions proposing several types of clinical practice options at each stage. For each vignette separately, we analyzed the lack of prompt oxytocin administration and the factors contributing to them, that is, characteristics of the midwives and organizational features of maternity units. Bivariate analysis and multivariable logistic regression analysis were applied. Results In all, 450 midwives from 87 maternity units provided complete responses. Lack of promptness was observed in 21.6% of responses (N = 97) in Vignette 1 and in 13.8% (N = 62) in Vignette 2 (p < .05). After multivariate analysis, the risk of delay was lower among with midwives working in university maternity hospitals (ORa 0.47, 95% 0.21, 0.97) and in units with 1500 to 2500 births per year (ORa 0.49, 95% CI 0.26, 0.90) for Vignette 1. We also noticed that delay increased with the midwives’ years of experience (per 10-year period) (ORa 1.30, 95% CI 1.01, 1.69). Conclusions This study using clinical vignettes showed delays in oxytocin administration for first-line treatment of PPH. Because delay in treatment is a major cause of preventable maternal morbidity in PPH, these findings suggest that continuing training of midwives should be considered, especially in small maternity units. Supplementary Information The online version contains supplementary material available at 10.1186/s12884-022-04648-5.
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Affiliation(s)
- S Voillequin
- Department of Obstetrics and Gynecology, Strasbourg University Hospital, Strasbourg, France. .,INSERM UMR1018 "Clinical Epidemiology Team", Research Center on Epidemiology and Population Health (CESP), UVSQ, Paris Saclay University, Villejuif, France. .,Midwifery Department, Strasbourg University, Strasbourg, France.
| | - P Rozenberg
- INSERM UMR1018 "Clinical Epidemiology Team", Research Center on Epidemiology and Population Health (CESP), UVSQ, Paris Saclay University, Villejuif, France.,Department of Obstetrics and Gynecology, Poissy-Saint Germain Hospital, Poissy, France
| | - Ph Ravaud
- INSERM UMR1153, Centre of Research Epidemiology and Statistics (CRESS), Université de Paris, Paris, France.,Center for Clinical Epidemiology, Assistance Publique des Hôpitaux de Paris (AP-HP), Hôpital Hôtel Dieu, Paris, France
| | - A Rousseau
- INSERM UMR1018 "Clinical Epidemiology Team", Research Center on Epidemiology and Population Health (CESP), UVSQ, Paris Saclay University, Villejuif, France.,Department of Obstetrics and Gynecology, Poissy-Saint Germain Hospital, Poissy, France
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Bellos I, Pergialiotis V. Tranexamic acid for the prevention of postpartum hemorrhage in women undergoing cesarean delivery: an updated meta-analysis. Am J Obstet Gynecol 2022; 226:510-523.e22. [PMID: 34582795 DOI: 10.1016/j.ajog.2021.09.025] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 09/16/2021] [Accepted: 09/21/2021] [Indexed: 11/19/2022]
Abstract
OBJECTIVE This study aimed to assess the efficacy and safety of prophylactic tranexamic acid administration vs standard uterotonic agents alone among women undergoing cesarean delivery. DATA SOURCES MEDLINE, Scopus, Web of Science, Cochrane Central Register of Controlled Trials, ClinicalTrials.gov, and Google Scholar were systematically searched from inception to June 30, 2021. STUDY ELIGIBILITY CRITERIA Randomized controlled trials comparing intravenous tranexamic acid administration with placebo in women undergoing cesarean delivery and receiving standard prophylactic uterotonic agents were held eligible. STUDY APPRAISAL AND SYNTHESIS METHODS The risk of bias of individual studies was appraised with the Risk of Bias 2 tool. Meta-analysis was conducted by fitting random-effects models using restricted maximum likelihood. Subgroup analysis was performed on the basis of country, protocol availability, double-blinding, risk of bias, sample size, and tranexamic acid dose. A 1-stage meta-analysis was performed as a sensitivity analysis. The credibility of outcomes was appraised with the Grading of Recommendations Assessment, Development and Evaluation approach. RESULTS Overall, 36 studies with 10,659 women were included. Tranexamic acid administration was associated with significantly lower total blood loss (mean difference, -189.44 mL; 95% confidence intervals, -218.63 to -160.25), lower hemoglobin drop (mean difference, 8.22%; 95% confidence interval, 5.54-10.90), decreased risk of blood loss of >1000 mL (odds ratio, 0.37; 95% confidence interval, 0.22-0.60), transfusion requirement (odds ratio, 0.41; 95% confidence interval, 0.26-0.65), and need of additional uterotonics (odds ratio, 0.36; 95% confidence interval, 0.25-0.52). Subgroup analysis indicated a greater effect of tranexamic acid on total blood loss reduction in low-middle income countries. The outcomes remained stable by separately evaluating women at low bleeding risk. The 1-stage meta-analysis demonstrated similar outcomes with the primary analysis. The quality of evidence was judged to be moderate regarding total blood loss and hemoglobin percentage change and low for the other outcomes. CONCLUSION This meta-analysis suggested that prophylactic tranexamic acid administration is effective among women undergoing cesarean delivery in lowering postpartum blood loss and limiting hemoglobin drop. Further research is needed to test its efficacy in high-risk populations and verify its safety profile.
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Affiliation(s)
- Ioannis Bellos
- Laboratory of Experimental Surgery and Surgical Research N.S. Christeas, Athens University Medical School, National and Kapodistrian University of Athens, Athens, Greece.
| | - Vasilios Pergialiotis
- Laboratory of Experimental Surgery and Surgical Research N.S. Christeas, Athens University Medical School, National and Kapodistrian University of Athens, Athens, Greece
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Brenner A, Roberts I, Balogun E, Bello FA, Chaudhri R, Fleming C, Javaid K, Kayani A, Lubeya MK, Mansukhani R, Olayemi O, Prowse D, Vwalika B, Shakur-Still H. Postpartum haemorrhage in anaemic women: assessing outcome measures for clinical trials. Trials 2022; 23:220. [PMID: 35303924 PMCID: PMC8932334 DOI: 10.1186/s13063-022-06140-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Accepted: 12/27/2021] [Indexed: 11/10/2022] Open
Abstract
Background Postpartum haemorrhage (PPH) is a leading cause of maternal mortality worldwide. Maternal anaemia greatly increases the risk of PPH, and over a third of all pregnant women are anaemic. Because anaemia reduces the oxygen-carrying capacity of the blood, anaemic women cannot tolerate the same volume of blood loss as healthy women. Yet the same blood loss threshold is used to define PPH in all women. The lack of an established PPH definition in anaemic women means the most appropriate outcome measures for use in clinical trials are open to question. We used data from the WOMAN-2 trial to examine different definitions of PPH in anaemic women and consider their appropriateness as clinical trial outcome measures. Main body The WOMAN-2 trial is assessing tranexamic acid (TXA) for PPH prevention in women with moderate or severe anaemia at baseline. To obtain an accurate, precise estimate of the treatment effect, outcome measures should be highly specific and reasonably sensitive. Some outcome misclassification is inevitable. Low sensitivity reduces precision, but low specificity biases the effect estimate towards the null. Outcomes should also be related to how patients feel, function, or survive. The primary outcome in the WOMAN-2 trial, a ‘clinical diagnosis of PPH’, is defined as estimated blood loss > 500 ml or any blood loss within 24 h sufficient to compromise haemodynamic stability. To explore the utility of several PPH outcome measures, we analysed blinded data from 4521 participants. For each outcome, we assessed its: (1) frequency, (2) specificity for significant bleeding defined as shock index ≥1.0 and (3) association with fatigue (modified fatigue symptom inventory [MFSI]), physical endurance (six-minute walk test) and breathlessness. A clinical diagnosis of PPH was sufficiently frequent (7%), highly specific for clinical signs of early shock (95% specificity for shock index ≥1) and associated with worse maternal functioning after childbirth. Conclusion Outcome measures in clinical trials of interventions for PPH prevention should facilitate valid and precise estimation of the treatment effect and be important to women. A clinical diagnosis of PPH appears to meet these criteria, making it an appropriate primary outcome for the WOMAN-2 trial. Trial registration ClinicalTrials.gov NCT03475342, registered on 23 March 2018; ISRCTN62396133, registered on 7 December 2017; Pan African Clinical Trial Registry PACTR201909735842379, registered on 18 September 2019.
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Affiliation(s)
- Amy Brenner
- London School of Hygiene and Tropical Medicine, Clinical Trials Unit, Keppel Street, London, WC1E 7HT, UK.
| | - Ian Roberts
- London School of Hygiene and Tropical Medicine, Clinical Trials Unit, Keppel Street, London, WC1E 7HT, UK
| | - Eni Balogun
- London School of Hygiene and Tropical Medicine, Clinical Trials Unit, Keppel Street, London, WC1E 7HT, UK
| | - Folasade Adenike Bello
- Department of Obstetrics and Gynaecology, University College Hospital, Ibadan, Oyo State, Nigeria
| | - Rizwana Chaudhri
- Global Institute of Human Development, Shifa Tameer-e-Millat University, Islamabad, 44000, Pakistan
| | - Charlotte Fleming
- London School of Hygiene and Tropical Medicine, Clinical Trials Unit, Keppel Street, London, WC1E 7HT, UK
| | - Kiran Javaid
- Global Institute of Human Development, Shifa Tameer-e-Millat University, Islamabad, 44000, Pakistan
| | - Aasia Kayani
- Global Institute of Human Development, Shifa Tameer-e-Millat University, Islamabad, 44000, Pakistan
| | - Mwansa Ketty Lubeya
- Women and Newborn Hospital, University Teaching Hospital, Department of Obstetrics and Gynaecology, Nationalist Road, Private Bag RW1X, 10101, Lusaka, Zambia
| | - Raoul Mansukhani
- London School of Hygiene and Tropical Medicine, Clinical Trials Unit, Keppel Street, London, WC1E 7HT, UK
| | - Oladapo Olayemi
- Department of Obstetrics and Gynaecology, University College Hospital, Ibadan, Oyo State, Nigeria
| | - Danielle Prowse
- London School of Hygiene and Tropical Medicine, Clinical Trials Unit, Keppel Street, London, WC1E 7HT, UK
| | - Bellington Vwalika
- Women and Newborn Hospital, University Teaching Hospital, Department of Obstetrics and Gynaecology, Nationalist Road, Private Bag RW1X, 10101, Lusaka, Zambia
| | - Haleema Shakur-Still
- London School of Hygiene and Tropical Medicine, Clinical Trials Unit, Keppel Street, London, WC1E 7HT, UK
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