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Sandeford J, Nippita T, Bhuta T, Patterson J, Morris J, Seeho S. Protocol for probiotic therapy vs placebo for preterm prelabour rupture of membranes to prolong pregnancy duration (Pro-PPROM) trial. Aust N Z J Obstet Gynaecol 2021; 61:E12-E17. [PMID: 33484479 DOI: 10.1111/ajo.13313] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Revised: 12/21/2020] [Accepted: 12/24/2020] [Indexed: 01/20/2023]
Abstract
BACKGROUND Preterm prelabour rupture of membranes (PPROM) is a common preterm birth antecedent. Preterm infants experience increased adverse newborn outcome risks. Infection is a risk factor for early birth in PPROM. Current management is antibiotic therapy, antenatal corticosteroids and to plan delivery at 37 weeks gestation. The microbiota and probiotics are potentially protective and may improve outcomes. AIMS The primary aim is to evaluate whether oral probiotic therapy (Lactobacillus fermentum CECT5716) administered during PPROM between 24 and 34 weeks gestation prolongs pregnancy duration. The secondary aim is to evaluate maternal and neonatal outcomes. MATERIALS AND METHODS This is a pragmatic, multicentre, double-blind, placebo-controlled randomised controlled trial in Australia. The population will be women with a singleton pregnancy and PPROM less than 34 weeks gestation. The intervention will be an oral probiotic therapy compared with a placebo control. The primary outcome will be the proportion of women still pregnant at seven days following PPROM. One-to-one randomisation will occur within 24 h of PPROM. The trial is powered (80%, alpha = 0.05) to detect an absolute percentage increase in the primary outcome of 30%, (from expected rate of 20% up to 50%). DISCUSSION This trial will provide evidence for the effectiveness of the probiotic in prolonging pregnancy duration. Findings will inform the feasibility of a larger trial to examine the effect of oral probiotics on clinically important maternal and neonatal outcomes in PPROM.
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Affiliation(s)
- Jonathan Sandeford
- Sydney Medical School Northern, The University of Sydney, Sydney, New South Wales, Australia.,Women and Babies Research, Kolling Institute, Northern Sydney Local Health District, Sydney, New South Wales, Australia
| | - Tanya Nippita
- Sydney Medical School Northern, The University of Sydney, Sydney, New South Wales, Australia.,Women and Babies Research, Kolling Institute, Northern Sydney Local Health District, Sydney, New South Wales, Australia.,Department of Obstetrics and Gynaecology, Royal North Shore Hospital, Northern Sydney Local Health District, Sydney, New South Wales, Australia
| | - Tushar Bhuta
- Mater Hospital, Sydney, New South Wales, Australia
| | - Jillian Patterson
- Sydney Medical School Northern, The University of Sydney, Sydney, New South Wales, Australia.,Women and Babies Research, Kolling Institute, Northern Sydney Local Health District, Sydney, New South Wales, Australia
| | - Jonathan Morris
- Sydney Medical School Northern, The University of Sydney, Sydney, New South Wales, Australia.,Women and Babies Research, Kolling Institute, Northern Sydney Local Health District, Sydney, New South Wales, Australia.,Department of Obstetrics and Gynaecology, Royal North Shore Hospital, Northern Sydney Local Health District, Sydney, New South Wales, Australia
| | - Sean Seeho
- Sydney Medical School Northern, The University of Sydney, Sydney, New South Wales, Australia.,Women and Babies Research, Kolling Institute, Northern Sydney Local Health District, Sydney, New South Wales, Australia.,Department of Obstetrics and Gynaecology, Royal North Shore Hospital, Northern Sydney Local Health District, Sydney, New South Wales, Australia
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Prairie E, Côté F, Tsakpinoglou M, Mina M, Quiniou C, Leimert K, Olson D, Chemtob S. The determinant role of IL-6 in the establishment of inflammation leading to spontaneous preterm birth. Cytokine Growth Factor Rev 2021; 59:118-130. [PMID: 33551331 DOI: 10.1016/j.cytogfr.2020.12.004] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 12/18/2020] [Accepted: 12/24/2020] [Indexed: 12/24/2022]
Abstract
Preterm birth (PTB) and its consequences are a major public health concern as preterm delivery is the main cause of mortality and morbidity at birth. There are many causes of PTB, but inflammation is undeniably associated with the process of premature childbirth and fetal injury. At present, treatments clinically available mostly involve attempt to arrest contractions (tocolytics) but do not directly address upstream maternal inflammation on development of the fetus. One of the possible solutions may lie in the modulation of inflammatory mediators. Of the many pro-inflammatory cytokines involved in the induction of PTB, IL-6 stands out for its pleiotropic effects and its involvement in both acute and chronic inflammation. Here, we provide a detailed review of the effects of IL-6 on the timing of childbirth, its occurrence during PTB and its indissociable roles with associated fetal tissue damage.
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Affiliation(s)
- Elizabeth Prairie
- Departments of Pediatrics, Ophthalmology and Pharmacology, CHU Sainte-Justine Research Center, Montreal, H3T 1C5, Canada; Department of Pharmacology, Université de Montréal, Montreal, H3T 1J4, Canada
| | - France Côté
- Departments of Pediatrics, Ophthalmology and Pharmacology, CHU Sainte-Justine Research Center, Montreal, H3T 1C5, Canada; Department of Pharmacology, Université de Montréal, Montreal, H3T 1J4, Canada
| | - Marika Tsakpinoglou
- Department of Pharmacology, Université de Montréal, Montreal, H3T 1J4, Canada
| | - Michael Mina
- Department of Pharmacology, Université de Montréal, Montreal, H3T 1J4, Canada
| | - Christiane Quiniou
- Departments of Pediatrics, Ophthalmology and Pharmacology, CHU Sainte-Justine Research Center, Montreal, H3T 1C5, Canada.
| | - Kelycia Leimert
- Departments of Obstetrics and Gynecology, Pediatrics and Physiology, University of Alberta, Edmonton, T6G 2R3, Canada
| | - David Olson
- Departments of Obstetrics and Gynecology, Pediatrics and Physiology, University of Alberta, Edmonton, T6G 2R3, Canada
| | - Sylvain Chemtob
- Departments of Pediatrics, Ophthalmology and Pharmacology, CHU Sainte-Justine Research Center, Montreal, H3T 1C5, Canada; Department of Pharmacology, Université de Montréal, Montreal, H3T 1J4, Canada.
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53
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Ghazanfari T, Norooznezhad AH, Javidan S, Norouz L, Farzanehdoust A, Mansouri K, Ahmadi MH, Mostafaei S, Javadian P, Sheikh M, Hantoushzadeh S. Indicated and non-indicated antibiotic administration during pregnancy and its effect on pregnancy outcomes: Role of inflammation. Int Immunopharmacol 2020; 89:107081. [PMID: 33068866 DOI: 10.1016/j.intimp.2020.107081] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 10/04/2020] [Accepted: 10/05/2020] [Indexed: 12/12/2022]
Abstract
The objective of this study was to compare the release of endotoxin and pro-inflammatory cytokines as well as pregnancy outcomes after antibiotic exposure in healthy and bacterial infected pregnant rats. Thirty female Wistar pregnant rats were divided into five groups. Group A considered as control and received intraperitoneal saline 0.9% on 17th day of gestation or DG) and groups B and C treated with 20 mg/kg/day intravenous ceftriaxone and ceftazidime, respectively (DG: 18-20). Groups D and E received intraperitoneal E. coli and LPS on 17th DG respectively. Also, groups F and G received the same treatment as group D but they treated with the exact antibiotics mentioned for groups B and C (same dose and duration). Pregnancy outcomes as well as maternal sera levels of endotoxin, tumor necrosis factor α (TNF-α), interleukin 1β (IL-1β), and IL-6 were assessed using enzyme-linked immunosorbent assay. It was shown that group B had a higher IL-1β (P = 0.003) and TNF-α (P = 0.003) levels compared to the controls (CTC). Group C expressed a lower gestational duration (P = 0.007) as well as higher IL-6 (P = 0.025) and TNF-α (P < 0.001) levels CTC. Interestingly, both group B (P = 0.021) and C (P < 0.001) had a higher rate of endotoxin release CTC. Moreover, in group C, IL-6 (P < 0.0001 and r = -0.941) had a significant correlation with gestational duration. As the results showed, antibiotic administration in non-indication condition seems to be associated with significantly higher production of endotoxin and inflammatory cytokines which increase the risk of poor pregnancy outcomes.
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Affiliation(s)
- Tooba Ghazanfari
- Immunoregulation Research Center, Shahed University, Tehran, Iran
| | - Amir Hossein Norooznezhad
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Shima Javidan
- Immunoregulation Research Center, Shahed University, Tehran, Iran
| | - Leila Norouz
- Immunoregulation Research Center, Shahed University, Tehran, Iran
| | | | - Kamran Mansouri
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | | | - Shayan Mostafaei
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran; Inflammation Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Mahdi Sheikh
- Maternal, Fetal and Neonatal Research Center, Tehran University of Medical Sciences, Tehran, Iran; Breastfeeding Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Sedigheh Hantoushzadeh
- Maternal, Fetal and Neonatal Research Center, Tehran University of Medical Sciences, Tehran, Iran; Breastfeeding Research Center, Tehran University of Medical Sciences, Tehran, Iran.
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54
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Boettcher LB, Clark EAS. Neonatal and Childhood Outcomes Following Preterm Premature Rupture of Membranes. Obstet Gynecol Clin North Am 2020; 47:671-680. [PMID: 33121652 DOI: 10.1016/j.ogc.2020.09.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Preterm premature rupture of membranes (PPROM) is almost uniformly associated with preterm birth and thus sequelae of prematurity explain many of the complications associated with this condition. However, the unique inflammatory environment and oligohydramnios associated with PPROM may impart unique neonatal and childhood morbidity compared with other preterm birth pathways.
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Affiliation(s)
- Lillian B Boettcher
- Department of Obstetrics and Gynecology, University of Utah School of Medicine, Suite 2B200, 30 North 1900 East, Salt Lake City, UT 84132, USA
| | - Erin A S Clark
- Department of Obstetrics and Gynecology, University of Utah School of Medicine, Suite 2B200, 30 North 1900 East, Salt Lake City, UT 84132, USA.
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Kelleher MA, Lee JY, Roberts VHJ, Novak CM, Baschat AA, Morgan TK, Novy MJ, Räsänen JP, Frias AE, Burd I. Maternal azithromycin therapy for Ureaplasma parvum intraamniotic infection improves fetal hemodynamics in a nonhuman primate model. Am J Obstet Gynecol 2020; 223:578.e1-578.e11. [PMID: 32343954 PMCID: PMC7591241 DOI: 10.1016/j.ajog.2020.04.015] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Revised: 04/09/2020] [Accepted: 04/18/2020] [Indexed: 12/19/2022]
Abstract
BACKGROUND Ureaplasma parvum infection is a prevalent cause of intrauterine infection associated with preterm birth, preterm premature rupture of membranes, fetal inflammatory response syndrome, and adverse postnatal sequelae. Elucidation of diagnostic and treatment strategies for infection-associated preterm labor may improve perinatal and long-term outcomes for these cases. OBJECTIVE This study assessed the effect of intraamniotic Ureaplasma infection on fetal hemodynamic and cardiac function and the effect of maternal antibiotic treatment on these outcomes. STUDY DESIGN Chronically catheterized pregnant rhesus monkeys were assigned to control (n=6), intraamniotic inoculation with Ureaplasma parvum (107 colony-forming units/mL, n=15), and intraamniotic infection plus azithromycin treatment (12.5 mg/kg twice a day intravenously, n=8) groups. At approximately 135 days' gestation (term=165 days), pulsed and color Doppler ultrasonography was used to obtain measurements of fetal hemodynamics (pulsatility index of umbilical artery, ductus venosus, descending aorta, ductus arteriosus, aortic isthmus, right pulmonary artery, middle cerebral artery and cerebroplacental ratio, and left and right ventricular cardiac outputs) and cardiac function (ratio of peak early vs late transmitral flow velocity [marker of ventricular function], Tei index [myocardial performance index]). These indices were stratified by amniotic fluid proinflammatory mediator levels and cardiac histology. RESULTS Umbilical and fetal pulmonary artery vascular impedances were significantly increased in animals from the intraamniotic inoculation with Ureaplasma parvum group (P<.05). Azithromycin treatment restored values to control levels. Amniotic fluid prostaglandin F2 alpha levels were significantly higher in animals with abnormal umbilical artery pulsatility index (>1.1) than in those with normal blood flow (P<.05; Spearman ρ=0.6, P<.05). In the intraamniotic inoculation with Ureaplasma parvum group, left ventricular cardiac output was significantly decreased (P<.001), and more animals had abnormal right-to-left ventricular cardiac output ratios (defined as >1.6, P<.05). Amniotic fluid interleukin-6 concentrations were elevated in cases of abnormal right-to-left ventricular cardiac output ratios compared with those in normal cases (P<.05). CONCLUSION Fetal hemodynamic alterations were associated with intraamniotic Ureaplasma infection and ameliorated after maternal antibiotic treatment. Doppler ultrasonographic measurements merit continuing investigation as a diagnostic method to identify fetal cardiovascular and hemodynamic compromise associated with intrauterine infection or inflammation and in the evaluation of therapeutic interventions or clinical management of preterm labor.
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Affiliation(s)
- Meredith A Kelleher
- Division of Reproductive and Development Sciences, Oregon National Primate Research Center, Beaverton, OR.
| | - Ji Yeon Lee
- Integrated Research Center for Fetal Medicine, Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Victoria H J Roberts
- Division of Reproductive and Development Sciences, Oregon National Primate Research Center, Beaverton, OR
| | - Christopher M Novak
- Integrated Research Center for Fetal Medicine, Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Ahmet A Baschat
- Johns Hopkins Center for Fetal Therapy, Department of Gynecology and Obstetrics, Johns Hopkins University, School of Medicine, Baltimore, MD
| | - Terry K Morgan
- Department of Obstetrics and Gynecology, Oregon Health and Science University, Portland, OR
| | - Miles J Novy
- Division of Reproductive and Development Sciences, Oregon National Primate Research Center, Beaverton, OR
| | - Juha P Räsänen
- Department of Obstetrics and Gynecology, Oregon Health and Science University, Portland, OR; University of Helsinki, Helsinki, Finland
| | - Antonio E Frias
- Division of Reproductive and Development Sciences, Oregon National Primate Research Center, Beaverton, OR; Department of Obstetrics and Gynecology, Oregon Health and Science University, Portland, OR
| | - Irina Burd
- Integrated Research Center for Fetal Medicine, Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, MD; Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD
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56
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Cobo T, Aldecoa V, Figueras F, Herranz A, Ferrero S, Izquierdo M, Murillo C, Amoedo R, Rueda C, Bosch J, Martínez-Portilla RJ, Gratacós E, Palacio M. Development and validation of a multivariable prediction model of spontaneous preterm delivery and microbial invasion of the amniotic cavity in women with preterm labor. Am J Obstet Gynecol 2020; 223:421.e1-421.e14. [PMID: 32147290 DOI: 10.1016/j.ajog.2020.02.049] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 01/29/2020] [Accepted: 02/27/2020] [Indexed: 12/19/2022]
Abstract
BACKGROUND Early spontaneous preterm delivery is often associated with microbial invasion of the amniotic cavity and/or intraamniotic inflammation. OBJECTIVE The objective of the study was to develop and validate clinically feasible multivariable prediction models of spontaneous delivery within 7 days and microbial invasion of the amniotic cavity in women admitted with diagnose of preterm labor and intact membranes below 34 weeks. STUDY DESIGN We used data from a cohort of women admitted from 2012 to 2018 with diagnosis of preterm labor below 34 weeks who had undergone amniocentesis to rule out microbial invasion of the amniotic cavity. The main outcome was spontaneous delivery within 7 days from admission. The secondary outcome was microbial invasion of the amniotic cavity, defined by a positive culture and/or 16S ribosomal RNA gene in the amniotic fluid. The sample (n = 358) was divided into derivation (2012-2016) and validation cohorts (2017-2018). Logistic regression models using a stepwise selection of variables were developed for the outcomes evaluated. We explored as predictive variables ultrasound cervical length measurement at admission, maternal C-reactive protein, gestational age, amniotic fluid glucose, and interleukin-6 (expressed as log units). Models were developed in the derivation cohort and applied to the validation cohort and diagnostic performance was calculated. RESULTS The derivation cohort included 263 women and the validation cohort 95 women. One hundred five of the women (39%, 105 of 268) spontaneously delivered in the following 7 days and 68 (19%, 68 of 358) had microbial invasion of the amniotic cavity. For spontaneous delivery within 7 days after admission, 4 predictors were identified: cervical length at admission, gestational age, amniotic fluid glucose, and interleukin-6. The diagnostic performance of the model was assessed in the validation cohort using the receiver operating characteristic curve and showed an area under curve of 0.86 (95% confidence interval, 0.77-0.95) with a detection rate of spontaneous delivery within 7 days of 87%, a false-positive rate of 33%, a negative predictive value of 80%, and a negative likelihood ratio of 0.1908. For microbial invasion of the amniotic cavity, 2 independent predictors of the amniotic cavity were identified: amniotic fluid glucose and maternal C-reactive protein. The receiver operating characteristic curve and an area under curve in the validation cohort was 0.83 (95% confidence interval, 0.70-0.96) with a detection rate of 76%, a false-positive rate of 8%, a negative predictive value of 93%, and a negative likelihood ratio of 0.2591. CONCLUSION In women with preterm labor, we propose 2 clinically feasible prediction models to classify as low vs high risk of spontaneous delivery within 7 days and of microbial invasion of the amniotic cavity. The models showed a high diagnostic performance and could be of value to optimize clinical management.
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Affiliation(s)
- Teresa Cobo
- BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (Hospital Clínic and Hospital Sant Joan de Deu), Institut Clínic de Ginecología, Obstetrícia I Neonatología, Fetal i+D Fetal Medicine Research Center, Institut d'Investigacions Biomèdiques August Pi I Sunyer, University of Barcelona, Barcelona, Spain; Centre for Biomedical Research on Rare Diseases, Barcelona, Spain.
| | - Victoria Aldecoa
- BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (Hospital Clínic and Hospital Sant Joan de Deu), Institut Clínic de Ginecología, Obstetrícia I Neonatología, Fetal i+D Fetal Medicine Research Center, Institut d'Investigacions Biomèdiques August Pi I Sunyer, University of Barcelona, Barcelona, Spain
| | - Francesc Figueras
- BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (Hospital Clínic and Hospital Sant Joan de Deu), Institut Clínic de Ginecología, Obstetrícia I Neonatología, Fetal i+D Fetal Medicine Research Center, Institut d'Investigacions Biomèdiques August Pi I Sunyer, University of Barcelona, Barcelona, Spain; Centre for Biomedical Research on Rare Diseases, Barcelona, Spain
| | - Ana Herranz
- BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (Hospital Clínic and Hospital Sant Joan de Deu), Institut Clínic de Ginecología, Obstetrícia I Neonatología, Fetal i+D Fetal Medicine Research Center, Institut d'Investigacions Biomèdiques August Pi I Sunyer, University of Barcelona, Barcelona, Spain
| | - Silvia Ferrero
- BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (Hospital Clínic and Hospital Sant Joan de Deu), Institut Clínic de Ginecología, Obstetrícia I Neonatología, Fetal i+D Fetal Medicine Research Center, Institut d'Investigacions Biomèdiques August Pi I Sunyer, University of Barcelona, Barcelona, Spain
| | - Montse Izquierdo
- BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (Hospital Clínic and Hospital Sant Joan de Deu), Institut Clínic de Ginecología, Obstetrícia I Neonatología, Fetal i+D Fetal Medicine Research Center, Institut d'Investigacions Biomèdiques August Pi I Sunyer, University of Barcelona, Barcelona, Spain
| | - Clara Murillo
- BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (Hospital Clínic and Hospital Sant Joan de Deu), Institut Clínic de Ginecología, Obstetrícia I Neonatología, Fetal i+D Fetal Medicine Research Center, Institut d'Investigacions Biomèdiques August Pi I Sunyer, University of Barcelona, Barcelona, Spain
| | - Raquel Amoedo
- BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (Hospital Clínic and Hospital Sant Joan de Deu), Institut Clínic de Ginecología, Obstetrícia I Neonatología, Fetal i+D Fetal Medicine Research Center, Institut d'Investigacions Biomèdiques August Pi I Sunyer, University of Barcelona, Barcelona, Spain
| | - Claudia Rueda
- BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (Hospital Clínic and Hospital Sant Joan de Deu), Institut Clínic de Ginecología, Obstetrícia I Neonatología, Fetal i+D Fetal Medicine Research Center, Institut d'Investigacions Biomèdiques August Pi I Sunyer, University of Barcelona, Barcelona, Spain
| | - Jordi Bosch
- Microbiology, Biomedical Diagnostic Center, Hospital Clínic and ISGlobal (Barcelona Institute for Global Health), University of Barcelona, Barcelona, Spain
| | - Raigam J Martínez-Portilla
- BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (Hospital Clínic and Hospital Sant Joan de Deu), Institut Clínic de Ginecología, Obstetrícia I Neonatología, Fetal i+D Fetal Medicine Research Center, Institut d'Investigacions Biomèdiques August Pi I Sunyer, University of Barcelona, Barcelona, Spain
| | - Eduard Gratacós
- BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (Hospital Clínic and Hospital Sant Joan de Deu), Institut Clínic de Ginecología, Obstetrícia I Neonatología, Fetal i+D Fetal Medicine Research Center, Institut d'Investigacions Biomèdiques August Pi I Sunyer, University of Barcelona, Barcelona, Spain; Centre for Biomedical Research on Rare Diseases, Barcelona, Spain
| | - Montse Palacio
- BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (Hospital Clínic and Hospital Sant Joan de Deu), Institut Clínic de Ginecología, Obstetrícia I Neonatología, Fetal i+D Fetal Medicine Research Center, Institut d'Investigacions Biomèdiques August Pi I Sunyer, University of Barcelona, Barcelona, Spain; Centre for Biomedical Research on Rare Diseases, Barcelona, Spain
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Cardetti M, Rodríguez S, Sola A. Use (and abuse) of antibiotics in perinatal medicine. ANALES DE PEDIATRÍA (ENGLISH EDITION) 2020. [DOI: 10.1016/j.anpede.2020.08.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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Abstract
To use medications appropriately, patients need to be treated based on their clinical conditions, in doses that are based on their individual requirements, for an adequate amount of time, and at the lowest expense. The perinatal period is characterized by an excessive use of antibiotics. This antibiotic abuse can lead to antibiotic resistance, microbiome alterations, and dysbiosis, which have been associated with serious complications such as infections, abnormal brain development, allergies, autoimmune disorders, obesity, and an increase in mortality as well as an increase in health care expenditures. The need to optimize antibiotic utilization in perinatal medicine has never been more urgent; there is not much more time to wait.
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Affiliation(s)
- Augusto Sola
- Ibero American Society of Neonatology (SIBEN), Wellington, FL
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Cardetti M, Rodríguez S, Sola A. [Use (and abuse) of antibiotics in perinatal medicine]. An Pediatr (Barc) 2020; 93:207.e1-207.e7. [PMID: 32680672 DOI: 10.1016/j.anpedi.2020.06.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 06/05/2020] [Accepted: 06/11/2020] [Indexed: 12/19/2022] Open
Abstract
INTRODUCTION The rational use of antibiotics (ATB) implies that patients receive those adequate for their clinical needs, in correct doses according to their individual conditions, during an adequate period of time, and at the lowest cost for them and their community. The highest rate of ATB abuse occurs during the perinatal period, despite the fact that there is evidence of multiple short- and long-term negative effects. Furthermore, this abuse is associated with increased costs of medical care. OBJECTIVE To update and report the evidence on the use, abuse, and adverse effects of ATB in perinatal medicine, and possible measures to prevent them, and thus improve health care outcomes and costs. METHODS A review and analysis was performed from the literature related to the use of ATB in perinatal medicine up to February 2020. RESULTS ATB abuse in perinatal medicine ranges from 50% to 70%, with even higher rates in some neonatal centres. Adverse effects include death, increased microbial resistance, along with microbiome abnormalities and dysbiosis that lead to serious life-long complications such as infections, allergies, autoimmune disorders, gastrointestinal disorders, arthritis, asthma, obesity, and perhaps cancer. Preventing and reducing the abuse of ATB would lead to better health and to significant savings in the health sector. In only 4neonatal intensive care units, with 1000 admissions per year, savings are estimated at US$230,000 per year. CONCLUSION The need to optimise the use of ATB in perinatal medicine has never been more urgent.
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Affiliation(s)
- Marcelo Cardetti
- Consejería RED SIBEN, Servicio de Neonatología Clínica y Maternidad, Centro de Endocrinología y Reproducción Humana (CERHU), San Luis, Argentina
| | - Susana Rodríguez
- Sociedad Iberoamericana de Neonatología (SIBEN). Docencia e Investigación, Hospital Juan P. Garrahan, Buenos Aires, Argentina.
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Abstract
Progestogens (vaginal progesterone and intramuscular 17-hydroxyprogesterone acetate) are widely recommended for women at high risk of preterm birth. Typical regimens include 17-hydroxyprogesterone caproate (250 mg intramuscularly weekly), starting at 16-20 gestational weeks until 36 weeks or delivery for women with a singleton gestation and a history of spontaneous preterm birth, or vaginal progesterone (90-mg vaginal gel or 200-mg micronized vaginal soft capsules) for women with a short cervix (typically ≤25 mm). Although some randomized trials support this approach, neither of the largest trials (PROLONG for 17-hydroxyprogesterone acetate or OPPTIMUM for vaginal progesterone) demonstrated efficacy. There are almost no data on long-term effects, and none that shows benefit beyond the neonatal period. Although some analyses suggest the cost-effectiveness of the approach, a cervical length screening program followed by progesterone for those with a short cervix will reduce preterm birth rates by less than 0.5%. The present review assesses evidence on the efficacy, likely impact, and long-term effects of implementing the recommendations for progestogens in full. Clinicians and pregnant women can look forward to resolution of the conflicting views on efficacy once the Patient-Centered Outcomes Research Initiative (PCORI)-funded individual patient data meta-analysis is published.
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Affiliation(s)
- Jane E. Norman
- Faculty of Health SciencesUniversity of BristolBristolUK
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Steer PJ, Russell AB, Kochhar S, Cox P, Plumb J, Gopal Rao G. Group B streptococcal disease in the mother and newborn-A review. Eur J Obstet Gynecol Reprod Biol 2020; 252:526-533. [PMID: 32586597 PMCID: PMC7295463 DOI: 10.1016/j.ejogrb.2020.06.024] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Revised: 06/12/2020] [Accepted: 06/13/2020] [Indexed: 02/06/2023]
Abstract
Group B Streptococcus, a common commensal in the gut of humans and in the lower genital tract in women, remains an important cause of neonatal mortality and morbidity. The incidence of early onset disease has fallen markedly in countries that test women for carriage at 35-37 weeks of pregnancy and then offer intrapartum prophylaxis with penicillin during labour. Countries that do not test, but instead employ a risk factor approach, have not seen a similar fall. There are concerns about the effect on the neonatal microbiome of widespread use of antibiotic prophylaxis during labour, but so far the effects seem minor and temporary. Vaccination against GBS would be acceptable to most women and GBS vaccines are in the early stages of development. Tweetable abstract: Group B Strep is a key cause of infection, death and disability in young babies. Antibiotics given in labour remain the mainstay of prevention, until a vaccine is available.
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Affiliation(s)
- Philip J Steer
- Imperial College London, Academic Department of Obstetrics and Gynaecology, Chelsea and Westminster Hospital, London SW10 9NH, United Kingdom.
| | | | - Sonali Kochhar
- Global Healthcare Consulting, India; Department of Global Health, University of Washington, Seattle, United States
| | - Philippa Cox
- Homerton University Hospital NHS Foundation Trust, London, United Kingdom
| | - Jane Plumb
- Group B Strep Support, Haywards Heath, RH16 1UA, United Kingdom
| | - Gopal Gopal Rao
- London North West University Healthcare NHS Trust, Harrow, United Kingdom
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Cappelletti M, Presicce P, Kallapur SG. Immunobiology of Acute Chorioamnionitis. Front Immunol 2020; 11:649. [PMID: 32373122 PMCID: PMC7177011 DOI: 10.3389/fimmu.2020.00649] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2019] [Accepted: 03/23/2020] [Indexed: 12/19/2022] Open
Abstract
Acute chorioamnionitis is characterized by neutrophilic infiltration and inflammation at the maternal fetal interface. It is a relatively common complication of pregnancy and can have devastating consequences including preterm labor, maternal infections, fetal infection/inflammation, fetal lung, brain, and gastrointestinal tract injury. In this review, we will discuss current understanding of the pathogenesis, immunobiology, and mechanisms of this condition. Most commonly, acute chorioamnionitis is a result of ascending infection with relatively low-virulence organisms such as the Ureaplasma species. Furthermore, recent vaginal microbiome studies suggest that there is a link between vaginal dysbiosis, vaginal inflammation, and ascending infection. Although less common, microorganisms invading the maternal-fetal interface via hematogenous route (e.g., Zika virus, Cytomegalovirus, and Listeria) can cause placental villitis and severe fetal inflammation and injury. We will provide an overview of the knowledge gleaned from different animal models of acute chorioamnionitis and the role of different immune cells in different maternal-fetal compartments. Lastly, we will discuss how infectious agents can break the maternal tolerance of fetal allograft during pregnancy and highlight the novel future therapeutic approaches.
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Affiliation(s)
- Monica Cappelletti
- Divisions of Neonatology and Developmental Biology, David Geffen School of Medicine at the University of California Los Angeles, Los Angeles, CA, United States
| | - Pietro Presicce
- Divisions of Neonatology and Developmental Biology, David Geffen School of Medicine at the University of California Los Angeles, Los Angeles, CA, United States
| | - Suhas G Kallapur
- Divisions of Neonatology and Developmental Biology, David Geffen School of Medicine at the University of California Los Angeles, Los Angeles, CA, United States
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63
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Axford SB, Andersen CC, Stark MJ. Standardised antenatal antibiotic regimens and neonatal sepsis-Are we certain we have it right? Aust N Z J Obstet Gynaecol 2020; 60:E4. [PMID: 32291759 DOI: 10.1111/ajo.13142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Accepted: 02/01/2020] [Indexed: 11/30/2022]
Affiliation(s)
- Samuel B Axford
- Department of Neonatal Medicine, Women's and Children's Hospital, Adelaide, South Australia, Australia
| | - Chad C Andersen
- Department of Neonatal Medicine, Women's and Children's Hospital, Adelaide, South Australia, Australia
| | - Michael J Stark
- Department of Neonatal Medicine, Women's and Children's Hospital, Adelaide, South Australia, Australia.,School of Medicine, Robinson Research Institute, University of Adelaide, Adelaide, South Australia, Australia
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van Winden T, Klumper J, Kleinrouweler CE, Tichelaar MA, Naaktgeboren CA, Nijman TA, van Baar AL, van Wassenaer-Leemhuis AG, Roseboom TJ, Van't Hooft J, Roos C, Mol BW, Pajkrt E, Oudijk MA. Effects of tocolysis with nifedipine or atosiban on child outcome: follow-up of the APOSTEL III trial. BJOG 2020; 127:1129-1137. [PMID: 32124520 PMCID: PMC7384124 DOI: 10.1111/1471-0528.16186] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/17/2020] [Indexed: 01/03/2023]
Abstract
OBJECTIVE To compare the long-term effects of tocolysis with nifedipine or atosiban on child outcome at age 2.5-5.5 years. DESIGN The APOSTEL III trial was a multicentre randomised controlled trial that compared tocolysis with nifedipine or atosiban in 503 women with threatened preterm birth. Neonatal outcomes did not differ between both treatment arms, except for a higher incidence of intubation in the atosiban group. METHODS Parents were asked to complete four questionnaires regarding neurodevelopment, executive function, behaviour problems and general health. MAIN OUTCOME MEASURES The main long-term outcome measure was a composite of abnormal development at the age of 2.5-5.5 years. RESULTS Of the 426 women eligible for follow-up, 196 (46%) parents returned the questionnaires for 115 children in the nifedipine group and 110 children in the atosiban group. Abnormal development occurred in 32 children (30%) in the nifedipine group and in 38 children (38%) in the atosiban group (OR 0.74, 95% CI 0.41-1.34). The separate outcomes for neurodevelopment, executive function, behaviour, and general health showed no significant differences between the groups. Sensitivity analysis for all children of the APOSTEL III trial, including a comparison of deceased children, resulted in a higher rate of healthy survival in the nifedipine group (64 versus 54%), but there was no significant difference in the overall mortality rate (5.4 versus 2.7%). There were no significant subgroup effects. CONCLUSION Outcomes on broad child neurodevelopment, executive function, behaviour and general health were comparable in both groups. Neither nifedipine nor atosiban can be considered as the preferred treatment for women with threatened preterm birth. TWEETABLE ABSTRACT Nifedipine- and atosiban-exposed children had comparable long-term outcomes, including neurodevelopment, executive function and behaviour.
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Affiliation(s)
- Tms van Winden
- Obstetrics, Amsterdam Reproduction and Development Research Institute, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
| | - J Klumper
- Obstetrics, Amsterdam Reproduction and Development Research Institute, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
| | - C E Kleinrouweler
- Obstetrics, Amsterdam Reproduction and Development Research Institute, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
| | - M A Tichelaar
- Obstetrics, Amsterdam Reproduction and Development Research Institute, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
| | - C A Naaktgeboren
- Julius Centre for Health Sciences and Primary Care, University Medical Centre Utrecht, Utrecht, the Netherlands
| | - T A Nijman
- Department of Obstetrics and Gynaecology, Leiden University Medical Centre, Leiden, the Netherlands
| | - A L van Baar
- Child and Adolescent Studies, Utrecht University, Utrecht, the Netherlands
| | - A G van Wassenaer-Leemhuis
- Paediatrics, Amsterdam Reproduction and Development Research Institute, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
| | - T J Roseboom
- Obstetrics, Amsterdam Reproduction and Development Research Institute, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands.,Department of Clinical Epidemiology, Biostatistics, and Bioinformatics, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
| | - J Van't Hooft
- Obstetrics, Amsterdam Reproduction and Development Research Institute, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
| | - C Roos
- Obstetrics, Amsterdam Reproduction and Development Research Institute, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
| | - B W Mol
- Department of Obstetrics and Gynaecology, Monash University, Clayton, Victoria, Australia
| | - E Pajkrt
- Obstetrics, Amsterdam Reproduction and Development Research Institute, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
| | - M A Oudijk
- Obstetrics, Amsterdam Reproduction and Development Research Institute, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
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Fan H, Gilbert R, O'Callaghan F, Li L. Associations between macrolide antibiotics prescribing during pregnancy and adverse child outcomes in the UK: population based cohort study. BMJ 2020; 368:m331. [PMID: 32075790 PMCID: PMC7190043 DOI: 10.1136/bmj.m331] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
OBJECTIVE To assess the association between macrolide antibiotics prescribing during pregnancy and major malformations, cerebral palsy, epilepsy, attention deficit hyperactivity disorder, and autism spectrum disorder in children. DESIGN Population based cohort study. SETTING The UK Clinical Practice Research Datalink. PARTICIPANTS The study cohort included 104 605 children born from 1990 to 2016 whose mothers were prescribed one macrolide monotherapy (erythromycin, clarithromycin, or azithromycin) or one penicillin monotherapy from the fourth gestational week to delivery. Two negative control cohorts consisted of 82 314 children whose mothers were prescribed macrolides or penicillins before conception, and 53 735 children who were siblings of the children in the study cohort. MAIN OUTCOME MEASURES Risks of any major malformations and system specific major malformations (nervous, cardiovascular, gastrointestinal, genital, and urinary) after macrolide or penicillin prescribing during the first trimester (four to 13 gestational weeks), second to third trimester (14 gestational weeks to birth), or any trimester of pregnancy. Additionally, risks of cerebral palsy, epilepsy, attention deficit hyperactivity disorder, and autism spectrum disorder. RESULTS Major malformations were recorded in 186 of 8632 children (21.55 per 1000) whose mothers were prescribed macrolides and 1666 of 95 973 children (17.36 per 1000) whose mothers were prescribed penicillins during pregnancy. Macrolide prescribing during the first trimester was associated with an increased risk of any major malformation compared with penicillin (27.65 v 17.65 per 1000, adjusted risk ratio 1.55, 95% confidence interval 1.19 to 2.03) and specifically cardiovascular malformations (10.60 v 6.61 per 1000, 1.62, 1.05 to 2.51). Macrolide prescribing in any trimester was associated with an increased risk of genital malformations (4.75 v 3.07 per 1000, 1.58, 1.14 to 2.19, mainly hypospadias). Erythromycin in the first trimester was associated with an increased risk of any major malformation (27.39 v 17.65 per 1000, 1.50, 1.13 to 1.99). No statistically significant associations were found for other system specific malformations or for neurodevelopmental disorders. Findings were robust to sensitivity analyses. CONCLUSIONS Prescribing macrolide antibiotics during the first trimester of pregnancy was associated with an increased risk of any major malformation and specifically cardiovascular malformations compared with penicillin antibiotics. Macrolide prescribing in any trimester was associated with an increased risk of genital malformations. These findings show that macrolides should be used with caution during pregnancy and if feasible alternative antibiotics should be prescribed until further research is available. TRIAL REGISTRATION ClinicalTrials.gov NCT03948620.
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Affiliation(s)
- Heng Fan
- Population, Policy and Practice Programme, Great Ormond Street Institute of Child Health, University College London, London WC1N 1EH, UK
| | - Ruth Gilbert
- Population, Policy and Practice Programme, Great Ormond Street Institute of Child Health, University College London, London WC1N 1EH, UK
| | - Finbar O'Callaghan
- Developmental Neurosciences Programme, Great Ormond Street Institute of Child Health, University College London, London, UK
| | - Leah Li
- Population, Policy and Practice Programme, Great Ormond Street Institute of Child Health, University College London, London WC1N 1EH, UK
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66
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Prophylactic antibiotics in prevention of infection after operative vaginal or caesarean delivery. Clin Microbiol Infect 2020; 26:404-405. [PMID: 31899332 DOI: 10.1016/j.cmi.2019.12.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Revised: 12/20/2019] [Accepted: 12/22/2019] [Indexed: 11/21/2022]
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67
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Silwedel C, Speer CP, Härtel C, Glaser K. Ureaplasma-Driven Neuroinflammation in Neonates: Assembling the Puzzle Pieces. Neonatology 2020; 117:665-672. [PMID: 33271546 PMCID: PMC7949233 DOI: 10.1159/000512019] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Accepted: 09/22/2020] [Indexed: 12/12/2022]
Abstract
Ureaplasma species (spp.) are commonly regarded as low-virulence colonizers of the genitourinary tract. Intrauterine Ureaplasma infection, however, has been associated with chorioamnionitis and preterm birth. The overall impact of a neonatal Ureaplasma colonization is yet to be understood. High pathogen prevalence and frequent neurological morbidities particularly in immature preterm infants call for an assessment of the significance of Ureaplasma spp. in neonatal neuroinflammation. This narrative review summarizes clinical data, animal studies, and in vitro results to elucidate potential Ureaplasma-associated neurological morbidities as well as underlying mechanisms. Increasing evidence indicates an involvement of Ureaplasma spp. in invasive central nervous system infections, suggesting a meticulous ability of Ureaplasma spp. to interfere with immune defense mechanisms. Ultimately, Ureaplasma spp. should be considered as relevant pathogens in neonatal neuroinflammation.
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Affiliation(s)
- Christine Silwedel
- University Children's Hospital, University of Wuerzburg, Wuerzburg, Germany,
| | - Christian P Speer
- University Children's Hospital, University of Wuerzburg, Wuerzburg, Germany
| | - Christoph Härtel
- University Children's Hospital, University of Wuerzburg, Wuerzburg, Germany
| | - Kirsten Glaser
- University Children's Hospital, University of Wuerzburg, Wuerzburg, Germany.,Department of Women and Child Health, Center for Pediatric Research Leipzig, Division of Neonatology, University of Leipzig, Leipzig, Germany
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68
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Giraud A, Allard MJ, Segura M, Roche F, Patural H, Sébire G. Ampicillin Treatment Increases Placental Interleukin-1 Beta Concentration and Polymorphonuclear Infiltration in Group B Streptococcus-Induced Chorioamnionitis: A Preclinical Study. Neonatology 2020; 117:369-373. [PMID: 32375156 DOI: 10.1159/000506906] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Accepted: 03/02/2020] [Indexed: 11/19/2022]
Abstract
BACKGROUND Antibiotic therapy during preterm labor with intact membranes has been associated with an increased risk of neonatal death. OBJECTIVES Using an established rat model of group B Streptococcus (GBS)-induced chorioamnionitis, we hypothesized that ampicillin treatment increases placental inflammation, as shown in other bacterial infections. METHODS At gestational day 19, 19 Lewis dams were intraperitoneally (i.p.) inoculated by 108 CFU of β-hemolytic serotype Ia GBS (strain #16955 susceptible to ampicillin). Dams were treated i.p. with either 200 mg/kg of ampicillin (n = 9) or 0.9% saline (n = 10) at 48 and 60 h post-GBS inoculation. Cesarean sections were performed 72 h post-GBS inoculation. RESULTS Ampicillin treatment was associated with an increased number of polymorphonuclear cells (PMN) infiltrating the decidua (mean 1,536 vs. 532 PMN/mm2; p < 0.001) and a higher placental concentration of IL-1β (mean 26.4 vs. 7.9 pg/mg; p < 0.01) compared to saline-treated dams. These effects were observed in dams without GBS bacteremia. Conversely, ampicillin treatment was associated with a decreased placental concentration of proinflammatory cytokines in dams with GBS bacteremia. CONCLUSIONS Ampicillin increases placental inflammation in a rat model of GBS-induced chorioamnionitis without bacteremia. This proinflammatory effect of ampicillin could be due to bacterial lysis. Our findings do not query the intrapartum antibiotic prophylaxis against GBS disease. They pave the way for future preclinical studies combining anti-inflammatory treatments and antibiotic therapy for GBS-induced chorioamnionitis.
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Affiliation(s)
- Antoine Giraud
- Child Neurology Division, Department of Pediatrics, McGill University, Montreal, Québec, Canada, .,EA 4607 SNA EPIS, Université de Lyon, Université Jean Monnet, Saint-Étienne, France,
| | - Marie-Julie Allard
- Child Neurology Division, Department of Pediatrics, McGill University, Montreal, Québec, Canada
| | - Mariela Segura
- Department of Infectiology and Microbiology, Faculté de Médecine Vétérinaire, Université de Montréal, Saint-Hyacinthe, Québec, Canada
| | - Frédéric Roche
- EA 4607 SNA EPIS, Université de Lyon, Université Jean Monnet, Saint-Étienne, France
| | - Hugues Patural
- EA 4607 SNA EPIS, Université de Lyon, Université Jean Monnet, Saint-Étienne, France.,Neonatal Intensive Care Unit, Centre Hospitalier Universitaire de Saint-Étienne, Saint-Étienne, France
| | - Guillaume Sébire
- Child Neurology Division, Department of Pediatrics, McGill University, Montreal, Québec, Canada
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69
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Stinson LF, Payne MS. Infection-mediated preterm birth: Bacterial origins and avenues for intervention. Aust N Z J Obstet Gynaecol 2019; 59:781-790. [PMID: 31617207 DOI: 10.1111/ajo.13078] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Revised: 08/30/2019] [Accepted: 09/03/2019] [Indexed: 01/07/2023]
Abstract
Preterm birth (PTB) is globally the leading cause of death and disability in children under five years of age. Intra-amniotic infection is well recognised as a major cause of PTB. Importantly, it is the most common cause of extreme PTB (birth prior to 28 weeks gestation), which is frequently associated with a wide range of serious neonatal morbidities. Recent developments in next generation sequencing technologies, combined with many years of culture-based microbiological data have allowed us to gain a deeper understanding of the pathogenesis of infection-mediated PTB. In particular, studies have revealed numerous potential routes to intra-amniotic infection beyond the classically described ascending vaginal route. Currently, antibiotic therapy is standard treatment for suspected or confirmed intra-amniotic infection, although its use in this context has had mixed success due to problems ranging from inappropriate antibiotic selection in relation to the target organism/s, to poor transplacental drug passage. In this review, we will draw together evidence from animal models and human studies to characterise pathways to intra-amniotic infection. We will then thoroughly outline current therapeutic protocols for cases of intra-amniotic infection and suggest potential new avenues for treatment.
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Affiliation(s)
- Lisa F Stinson
- School of Molecular Sciences, The University of Western Australia, Perth, Australia
| | - Matthew S Payne
- Division of Obstetrics and Gynaecology, Faculty of Health & Medical Sciences, The University of Western Australia, Perth, Australia
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70
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Abstract
This review underlines the important role that obstetricians play in the prevention of retinopathy of prematurity. Efforts predominately focus on predicting which pregnant women are at highest risk of preterm birth, instigating treatments to prevent pre-eclampsia, fetal growth restriction and maternal infection which could lead to iatrogenic or spontaneous preterm birth, and optimizing care when preterm birth is inevitable. More broadly, optimizing maternal health pre-conception through stopping smoking, improving diet, reducing obesity with its associated gestational diabetes, and treating hypertension may reduce preterm birth and other pregnancy complications. This is a message that all healthcare professionals including obstetricians, neonatologists and GPs, nursing and midwifery staff need to communicate all women and men who are contemplating having a baby.
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Affiliation(s)
- Lindsay M Kindinger
- Institute for Women's Health, Faculty of Population Health Sciences, University College London, London, WC1E 6HX, UK.
| | - Anna L David
- Institute for Women's Health, Faculty of Population Health Sciences, University College London, London, WC1E 6HX, UK
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71
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Kachikis A, Walker CL, McAdams RM, Gyamfi-Bannerman C, Adams Waldorf KM. Phenotypic overlap in neonatal respiratory morbidity following preterm premature rupture of membranes versus spontaneous preterm labor. J Matern Fetal Neonatal Med 2019; 34:1941-1948. [PMID: 31402735 DOI: 10.1080/14767058.2019.1651280] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
BACKGROUND Bronchopulmonary dysplasia (BPD), a major source of morbidity in premature neonates, has been associated with intrauterine infection and preterm birth. Both preterm premature rupture of membranes (PPROM) and spontaneous preterm labor (sPTL) are linked with intrauterine inflammation. Whether PPROM and sPTL, as two phenotypic categories of preterm birth, are associated with exposure to different degrees and durations of inflammation that might impact fetal lung development is unknown. PPROM may be associated with longer latency until delivery, which is beneficial for neonatal mortality, but may impart greater injury risk to the developing fetal lungs. It is unknown if PPROM is associated with a greater risk of adverse neonatal respiratory outcomes than sPTL. OBJECTIVE The objective of this study was to determine if PPROM imparts a differentially greater risk for neonatal BPD than sPTL. A secondary objective was to determine if PPROM was associated with a greater risk of adverse neonatal respiratory outcomes other than BPD and whether gestational latency following PPROM or sPTL diagnosis constitutes a risk factor for fetal lung injury. STUDY DESIGN We conducted a retrospective secondary analysis of a large cohort of women at risk for spontaneous preterm birth, who were originally enrolled in a randomized controlled trial of magnesium sulfate versus placebo examining neuroprotection. For our study, we included women with a singleton pregnancy complicated by PPROM or sPTL and delivery between 24 and 34 weeks gestational age. Cases with multiple gestation, congenital anomalies, maternal seropositivity for human immunodeficiency virus, or hypertensive diseases of pregnancy (including preeclampsia) were excluded. The primary outcome was BPD. Secondary outcomes were respiratory distress syndrome (RDS), transient tachypnea of the newborn (TTN), requirement for mechanical ventilation, pneumonia, neonatal sepsis, fetal or neonatal death, and a composite of adverse neonatal respiratory outcomes including (BPD, pneumonia, RDS, and TTN). Statistical analyses included chi-square, Student's t-test and logistic and multiple regression. RESULTS A total of 1729 women were included in this analysis including 1554 with PPROM and 175 with sPTL. Women in the PPROM group were more likely to be older, not of Hispanic race, married, more educated, have smoked during pregnancy and have a greater body mass index. The BPD rate was not significantly different following PPROM versus sPTL. Neonates in the PPROM group experienced a lower rate of pneumonia (p = .001), neonatal sepsis (p = .009) and patent ductus arterious (PDA) requiring either medical or surgical therapy (p < .001) than neonates in the sPTL group. Chorioamnionitis was more common in the PPROM group (p = .008) than the sPTL group. After multivariable logistic regression with BPD or composite of adverse neonatal respiratory outcomes as the dependent outcomes, and controlling for gestational age at delivery, maternal smoking history, duration of mechanical ventilation and RDS, there was no significant difference between PPROM and sPTL. CONCLUSIONS BPD rates were not significantly different in neonates born to women following PPROM versus sPTL. However, PPROM was associated with lower rates of pneumonia, neonatal sepsis, and PDA requiring therapy in the univariate analysis, but not the multivariate analysis. Neonatal respiratory outcomes may have a similar phenotypic overlap regardless of whether preterm birth follows PPROM or sPTL.
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Affiliation(s)
- Alisa Kachikis
- Department of Obstetrics and Gynecology, University of Washington, Seattle, WA, USA
| | - Christie L Walker
- Department of Obstetrics and Gynecology, University of Washington, Seattle, WA, USA
| | - Ryan M McAdams
- Department of Pediatrics, University of Wisconsin, Madison, WI, USA
| | | | - Kristina M Adams Waldorf
- Department of Obstetrics and Gynecology, University of Washington, Seattle, WA, USA.,Department of Global Health, University of Washington, Seattle, WA, USA
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72
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Voon HY, Pow JY, Tan LN, Suharjono HN, Teo WS. Antibiotic prophylaxis in ragged placental membranes: a prospective, multicentre, randomized trial. BMC Pregnancy Childbirth 2019; 19:240. [PMID: 31296180 PMCID: PMC6624936 DOI: 10.1186/s12884-019-2373-9] [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: 05/08/2018] [Accepted: 06/24/2019] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Ragged placental membranes is a distinct entity from retained placenta and not uncommonly reported in midwifery texts. Although the incidence of postpartum endometritis is merely 1-5% after vaginal births, it remains the most common source of puerperal sepsis, contributing up to 15% of maternal mortality in low income countries. Geographically-remote centres in Malaysia prophylactically administer antibiotics for women with ragged placental membranes after vaginal birth, extrapolating evidence from retained placenta. We sought to clarify the rationale in continuing such practices. METHODS This was an open-label, prospective, multicentre, randomized trial. Three hospitals where the current protocol was to administer prophylactic amoxycillin-clavulanic acid served as the sites of recruitment. Women who delivered vaginally beyond 24+ 0 weeks of gestation with ragged membranes were invited to participate in the trial and randomized into prophylaxis or expectant management with medical advice by blocks of 10, at a 1:1 ratio. A medication adherence diary was provided and patients followed up at 2 weeks and 6 weeks postpartum. RESULTS A total of 6569 women gave birth vaginally in three centres during the trial period, of which 10.9% had ragged membranes. The incidence of endometritis was not significantly raised in women with or without prophylaxis (0.90% vs 0.29%; p = 0.60). All cases of endometritis presented within the first 2 weeks and preventive use of antibiotics did not ameliorate the severity of endometritis since rates of ICU admission, surgical evacuation and transfusion were comparable. CONCLUSION Preventive use of antibiotics after vaginal delivery in women with ragged placental membranes did not result in a reduction of endometritis. Educating women on the signs and symptoms of endometritis would suffice. Based on the reported incidence of ragged membranes, a change in practice would result in 1500 less prescriptions of antibiotics per annum in these three centres. TRIAL REGISTRATION NCT03459599 (Retrospectively registered on 9 March 2018).
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Affiliation(s)
- Hian Yan Voon
- Department of Obstetrics and Gynaecology, Sarawak General Hospital, Hospital Road, 93586, Kuching, Sarawak, Malaysia. .,Department of Obstetrics and Gynaecology, Sri Aman Hospital, Hospital Road, 95000, Sri Aman, Sarawak, Malaysia. .,Department of Obstetrics and Gynaecology, Faculty of Medicine and Health Sciences, Universiti Malaysia Sarawak, 94300, Kota Samarahan, Sarawak, Malaysia.
| | - Jun Yan Pow
- Department of Obstetrics and Gynaecology, Sarawak General Hospital, Hospital Road, 93586, Kuching, Sarawak, Malaysia
| | - Lee Na Tan
- Department of Obstetrics and Gynaecology, Bintulu Hospital, Nyabau Road, 97000, Bintulu, Sarawak, Malaysia
| | - Haris Njoo Suharjono
- Department of Obstetrics and Gynaecology, Sarawak General Hospital, Hospital Road, 93586, Kuching, Sarawak, Malaysia.,Department of Obstetrics and Gynaecology, Faculty of Medicine and Health Sciences, Universiti Malaysia Sarawak, 94300, Kota Samarahan, Sarawak, Malaysia
| | - Wan Sim Teo
- Department of Obstetrics and Gynaecology, Sarawak General Hospital, Hospital Road, 93586, Kuching, Sarawak, Malaysia
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Simons NE, van de Beek C, van der Lee JH, Opmeer BC, van Wassenaer-Leemhuis AG, van Baar AL, Steenis L, Liem S, Schuit E, Bekedam D, Mol BWJ, Van't Hooft J. Child outcomes after placement of a cervical pessary in women with a multiple pregnancy: A 4-year follow-up of the ProTWIN trial. Acta Obstet Gynecol Scand 2019; 98:1292-1300. [PMID: 31032879 PMCID: PMC6900136 DOI: 10.1111/aogs.13630] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Revised: 03/23/2019] [Accepted: 04/14/2019] [Indexed: 01/24/2023]
Abstract
Introduction The ProTWIN trial previously showed no beneficial effect of treatment with a cervical pessary vs usual care to prevent preterm birth in women with a multiple pregnancy. However, in women with a midtrimester short cervix (<38 mm), pessary did reduce the composite outcome of neonatal morbidity and mortality. This follow‐up study evaluates the long‐term outcomes of all children born to mothers who participated in the ProTWIN trial at 4 years of age. Material and methods Parents received the Ages and Stages Questionnaire, Strength and Difficulties Questionnaire and a health questionnaire. All questionnaires were reported separately and as a combined outcome (abnormal child outcome). A linear mixed effects model was used to adjust for correlated data in twins and correction for confounders was performed. In exploratory analysis, a composite outcome of death or survival with abnormal child outcome was used by combining extrapolated data on child outcome with survival data. All data were analyzed for the total group and the subgroup of women with midtrimester short cervix. Results Of the original 813 women of the ProTWIN trial, we approached 579, of whom 258 participated (45%) in follow‐up. We received questionnaires of 514 children (281 pessary vs 233 control), with 119 children in the subgroup of women with midtrimester short cervix. An abnormal child outcome was found in 23% in the pessary group vs 16% in the control group (odds ratio 1.58; 95% confidence interval 0.94‐2.65). In exploratory analysis with extrapolated data on child outcome (n = 815), no difference in abnormal child outcome was seen between the pessary and control group. In the subgroup of women with a short cervix (n = 268), this composite outcome indicated a favorable outcome for children born to mothers with pessary. Conclusions In women with a multiple pregnancy, the use of a cervical pessary did not improve development, behavior or physical outcomes of the surviving children at age 4.
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Affiliation(s)
- Noor E Simons
- Department of Obstetrics and Gynecology, Amsterdam UMC - Location AMC, Amsterdam, The Netherlands
| | - Cornelieke van de Beek
- Department of Obstetrics and Gynecology, Amsterdam UMC - Location AMC, Amsterdam, The Netherlands
| | - Johanna H van der Lee
- Pediatric Clinical Research Office, Emma Children's Hospital Amsterdam UMC - Location AMC, Amsterdam, The Netherlands
| | - Brent C Opmeer
- Clinical Research Unit, Amsterdam UMC - Location AMC, Amsterdam, The Netherlands
| | - Aleid G van Wassenaer-Leemhuis
- Department of Neonatology and Pediatrics, Emma Children's Hospital Amsterdam UMC - Location AMC, Amsterdam, The Netherlands
| | | | - Leonie Steenis
- Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Sophie Liem
- Department of Obstetrics and Gynecology, Amsterdam UMC - Location AMC, Amsterdam, The Netherlands
| | - Ewoud Schuit
- Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Dick Bekedam
- Department of Obstetrics and Gynecology, OLVG-Oost, Amsterdam, The Netherlands
| | - Ben W J Mol
- Department of Obstetrics and Gynecology, Monash University, Melbourne, Victoria, Australia
| | - Janneke Van't Hooft
- Department of Obstetrics and Gynecology, Amsterdam UMC - Location AMC, Amsterdam, The Netherlands
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Norris T, Johnson W, Petherick E, Cameron N, Oddie S, Johnson S, Wright J, Draper E, Baker PN. Investigating the relationship between fetal growth and academic attainment: secondary analysis of the Born in Bradford (BiB) cohort. Int J Epidemiol 2019; 47:1475-1484. [PMID: 30060064 PMCID: PMC6208280 DOI: 10.1093/ije/dyy157] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Accepted: 07/16/2018] [Indexed: 11/13/2022] Open
Abstract
Background The relationship between ultrasongraphically derived estimates of fetal growth and educational attainment in the postnatal period is unknown. Results from previous studies focusing on cognitive ability, however, suggest there may be gestation-specific associations. Our objective was to model growth in fetal weight (EFW) and head circumference (HC) and identify whether growth variation in different periods was related to academic attainment in middle childhood. Methods Data come from the Born in Bradford (BiB) cohort study, which has performed data linkage to both routine antenatal scans and national academic attainment tests at age 6-7 years. Multilevel linear spline models were used to model EFW and HC. Random effects from these were related to Key Stage 1 (KS1) results in reading, writing, mathematics, science and a composite of all four (age 6-7 years), using ordinal logistic and logistic regression. Associations were adjusted for potential confounders, facilitated by directed acyclic graphs. Missing covariate data were imputed using multiple imputation. Results In all, 6995 and 8438 children had complete KS1, and EFW and HC data, respectively. Positive associations were observed between both fetal weight in early pregnancy (14 weeks) and EFW growth in mid-pregnancy (14-26 weeks) and the individual KS1 outcomes. Furthermore, after adjustment for previous size and confounders, a 1-z score increase in growth in mid-pregnancy was associated with an 8% increased odds of achieving the expected standard for all KS1 outcomes [odds ratio (OR): 1.08, 95% confidence interval (CI): 1.02; 1.13]. Similar results were observed for HC, with generally larger effect sizes. Smaller associations were observed with growth in the early-third trimester, with no associations observed with growth in the later-third trimester. Conclusions We observed consistent positive associations between fetal size and growth in early and mid-gestation and academic attainment in childhood. The smaller and null associations with growth in the early-third and later-third trimester, respectively, suggests that early-mid gestation may be a sensitive period for future cognitive development.
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Affiliation(s)
- Tom Norris
- Department of Health Sciences, University of Leicester, Leicester, UK.,School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough, UK
| | - William Johnson
- School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough, UK
| | - Emily Petherick
- School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough, UK
| | - Noel Cameron
- School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough, UK
| | - Sam Oddie
- Bradford Neonatology, Bradford Royal Infirmary, Bradford Teaching Hospitals Foundation Trust, Bradford, UK
| | - Samantha Johnson
- Department of Health Sciences, University of Leicester, Leicester, UK
| | - John Wright
- Bradford Institute for Health Research, Bradford Royal Infirmary, Bradford, UK
| | - Elizabeth Draper
- Department of Health Sciences, University of Leicester, Leicester, UK
| | - Philip N Baker
- College of Life Sciences, University of Leicester, Leicester, UK
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Norman JE, Marlow N, Messow CM, Shennan A, Bennett PR, Thornton S, Robson SC, McConnachie A, Petrou S, Sebire NJ, Lavender T, Whyte S, Norrie J. Does progesterone prophylaxis to prevent preterm labour improve outcome? A randomised double-blind placebo-controlled trial (OPPTIMUM). Health Technol Assess 2019; 22:1-304. [PMID: 29945711 DOI: 10.3310/hta22350] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND Progesterone prophylaxis is widely used to prevent preterm birth but is not licensed and there is little information on long-term outcome. OBJECTIVE To determine the effect of progesterone prophylaxis in women at high risk of preterm birth on obstetric, neonatal and childhood outcomes. DESIGN Double-blind, randomised placebo-controlled trial. SETTING Obstetric units in the UK and Europe between February 2009 and April 2013. PARTICIPANTS Women with a singleton pregnancy who are at high risk of preterm birth because of either a positive fibronectin test or a negative fibronectin test, and either previous spontaneous birth at ≤ 34 weeks+0 of gestation or a cervical length of ≤ 25 mm. INTERVENTIONS Fibronectin test at 18+0 to 23+0 weeks of pregnancy to determine risk of preterm birth. Eligible women were allocated (using a web-based randomisation portal) to 200 mg of progesterone or placebo, taken vaginally daily from 22+0 to 24+0 until 34+0 weeks' gestation. Participants, caregivers and those assessing the outcomes were blinded to group assignment until data collection was complete. MAIN OUTCOME MEASURES There were three primary outcomes, as follows: (1) obstetric - fetal death or delivery before 34+0 weeks' gestation; (2) neonatal - a composite of death, brain injury on ultrasound scan (according to specific criteria in the protocol) and bronchopulmonary dysplasia; and (3) childhood - the Bayley-III cognitive composite score at 22-26 months of age. RESULTS In total, 96 out of 600 (16%) women in the progesterone group and 108 out of 597 (18%) women in the placebo group had the primary obstetric outcome [odds ratio (OR) 0.86, 95% confidence interval (CI) 0.61 to 1.22]. Forty-six out of 589 (8%) babies of women in the progesterone group and 62 out of 587 (11%) babies of
women in the placebo group experienced the primary neonatal outcome [OR 0.72, 95% CI 0.44 to 1.17]. The mean Bayley-III cognitive composite score of the children at 2 years of age was 97.3 points [standard deviation (SD) 17.9 points; n = 430] in the progesterone group and 97.7 points (SD 17.5 points; n = 439) in the placebo group (difference in means -0.48, 95% CI -2.77 to 1.81). LIMITATIONS Overall compliance with the intervention was 69%. HARMS There were no major harms, although there was a trend of more deaths from trial entry to 2 years in the progesterone group (20/600) than in the placebo group (16/598) (OR 1.26, 95% CI 0.65 to 2.42). CONCLUSIONS In this study, progesterone had no significant beneficial or harmful effects on the primary obstetric, neonatal or childhood outcomes.The OPPTIMUM trial is now complete. We intend to participate in a comprehensive individual patient-level data meta-analysis examining women with a singleton pregnancy with a variety of risk factors for preterm birth. TRIAL REGISTRATION Current Controlled Trials ISRCTN14568373. FUNDING This trial was funded by the Medical Research Council (MRC) and managed by the National Institute for Health Research (NIHR) on behalf of the MRC-NIHR partnership.
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Affiliation(s)
- Jane E Norman
- Tommy's Centre for Maternal and Fetal Health, MRC Centre for Maternal and Fetal Health, University of Edinburgh, Edinburgh, UK
| | - Neil Marlow
- Institute of Women's Health, University College London, London, UK
| | - Claudia-Martina Messow
- Robertson Centre for Biostatistics, Institute of Health and Wellbeing, University of Glasgow, Glasgow, UK
| | - Andrew Shennan
- Women's Health Academic Centre, King's College London, London, UK
| | - Philip R Bennett
- Obstetrics and Gynaecology, Department of Surgery and Cancer, Imperial College London, London, UK
| | - Steven Thornton
- Obstetrics and Gynaecology (Barts), Queen Mary University of London, London, UK
| | | | - Alex McConnachie
- Robertson Centre for Biostatistics, Institute of Health and Wellbeing, University of Glasgow, Glasgow, UK
| | - Stavros Petrou
- Division of Health Sciences, Warwick Medical School, University of Warwick, Coventry, UK
| | - Neil J Sebire
- Institute of Women's Health, University College London, London, UK
| | - Tina Lavender
- School of Nursing, University of Manchester, Manchester, UK
| | - Sonia Whyte
- Tommy's Centre for Maternal and Fetal Health, MRC Centre for Maternal and Fetal Health, University of Edinburgh, Edinburgh, UK
| | - John Norrie
- Centre for Healthcare Randomised Trials, Health Services Research Unit, University of Aberdeen, Aberdeen, UK
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Seedat F, Geppert J, Stinton C, Patterson J, Freeman K, Johnson SA, Fraser H, Brown CS, Uthman OA, Tan B, Robinson ER, McCarthy ND, Clarke A, Marshall J, Visintin C, Mackie A, Taylor-Phillips S. Universal antenatal screening for group B streptococcus may cause more harm than good. BMJ 2019; 364:l463. [PMID: 30787018 DOI: 10.1136/bmj.l463] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Farah Seedat
- Division of Health Sciences, University of Warwick Medical School, Gibbet Hill Campus, Coventry CV4 7AL, UK
| | - Julia Geppert
- Division of Health Sciences, University of Warwick Medical School, Gibbet Hill Campus, Coventry CV4 7AL, UK
| | - Chris Stinton
- Division of Health Sciences, University of Warwick Medical School, Gibbet Hill Campus, Coventry CV4 7AL, UK
| | - Jacoby Patterson
- Division of Health Sciences, University of Warwick Medical School, Gibbet Hill Campus, Coventry CV4 7AL, UK
| | - Karoline Freeman
- Division of Health Sciences, University of Warwick Medical School, Gibbet Hill Campus, Coventry CV4 7AL, UK
| | - Samantha Ann Johnson
- Division of Health Sciences, University of Warwick Medical School, Gibbet Hill Campus, Coventry CV4 7AL, UK
| | - Hannah Fraser
- Division of Health Sciences, University of Warwick Medical School, Gibbet Hill Campus, Coventry CV4 7AL, UK
| | - Colin Stewart Brown
- Bacteria Reference Department, National Infection Service, Public Health England, London, UK
| | - Olalekan A Uthman
- Division of Health Sciences, University of Warwick Medical School, Gibbet Hill Campus, Coventry CV4 7AL, UK
| | - Bee Tan
- Department of Cardiovascular Sciences, Robert Kilpatrick Clinical Sciences Building, University of Leicester, LE2 7LX, UK
| | - Esther R Robinson
- Field Service, National Infection Service, Public Health England, Nottingham, UK
| | - Noel Denis McCarthy
- Division of Health Sciences, University of Warwick Medical School, Gibbet Hill Campus, Coventry CV4 7AL, UK
| | - Aileen Clarke
- Division of Health Sciences, University of Warwick Medical School, Gibbet Hill Campus, Coventry CV4 7AL, UK
| | | | | | | | - Sian Taylor-Phillips
- Division of Health Sciences, University of Warwick Medical School, Gibbet Hill Campus, Coventry CV4 7AL, UK
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Associations between use of macrolide antibiotics during pregnancy and adverse child outcomes: A systematic review and meta-analysis. PLoS One 2019; 14:e0212212. [PMID: 30779772 PMCID: PMC6380581 DOI: 10.1371/journal.pone.0212212] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2018] [Accepted: 01/29/2019] [Indexed: 12/03/2022] Open
Abstract
Background Evidence on adverse effects of maternal macrolide use during pregnancy is inconsistent. We conducted a systematic review and meta-analysis to investigate the association between macrolide use during pregnancy and adverse fetal and child outcomes. Methods and findings We included observational studies and randomised controlled trials (RCTs) that recorded macrolide use during pregnancy and child outcomes. We prioritized comparisons of macrolides with alternative antibiotics (mainly penicillins or cephalosporins) for comparability of indication and effect. Random effects meta-analysis was used to derive pooled odds ratios (OR) for each outcome. Subgroup analyses were performed according to specific types (generic forms) of macrolide. Of 11,186 citations identified, 19 (10 observational, 9 RCTs) studies were included (21 articles including 228,556 participants). Macrolide prescribing during pregnancy was associated with an increased risk of miscarriage (pooled ORobs 1·82, 95% CI 1·57–2·11, three studies, I2 = 0%), cerebral palsy and/or epilepsy (ORobs 1·78, 1·18–2·69; one study), epilepsy alone (ORobs 2·02, 1·30–3·14, one study; ORRCT 1.03, 0.79–1.35, two studies), and gastrointestinal malformations (ORobs 1·56, 1·05–2·32, two studies) compared with alternative antibiotics. We found no evidence of an adverse effect on 12 other malformations, stillbirth, or neonatal death. Results were robust to excluding studies with high risk of bias. Conclusions Consistent evidence of an increased risk of miscarriage in observational studies and uncertain risks of cerebral palsy and epilepsy warrant cautious use of macrolide in pregnancy with warnings in drug safety leaflets and use of alternative antibiotics where appropriate. As macrolides are the third most commonly used class of antibiotics, it is important to confirm these results with high quality studies.
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Prevention of spontaneous preterm birth. Arch Gynecol Obstet 2019; 299:1261-1273. [DOI: 10.1007/s00404-019-05095-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Accepted: 02/06/2019] [Indexed: 10/27/2022]
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Hansen MP, Scott AM, McCullough A, Thorning S, Aronson JK, Beller EM, Glasziou PP, Hoffmann TC, Clark J, Del Mar CB. Adverse events in people taking macrolide antibiotics versus placebo for any indication. Cochrane Database Syst Rev 2019; 1:CD011825. [PMID: 30656650 PMCID: PMC6353052 DOI: 10.1002/14651858.cd011825.pub2] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
BACKGROUND Macrolide antibiotics (macrolides) are among the most commonly prescribed antibiotics worldwide and are used for a wide range of infections. However, macrolides also expose people to the risk of adverse events. The current understanding of adverse events is mostly derived from observational studies, which are subject to bias because it is hard to distinguish events caused by antibiotics from events caused by the diseases being treated. Because adverse events are treatment-specific, rather than disease-specific, it is possible to increase the number of adverse events available for analysis by combining randomised controlled trials (RCTs) of the same treatment across different diseases. OBJECTIVES To quantify the incidences of reported adverse events in people taking macrolide antibiotics compared to placebo for any indication. SEARCH METHODS We searched the Cochrane Central Register of Controlled Trials (CENTRAL), which includes the Cochrane Acute Respiratory Infections Group Specialised Register (2018, Issue 4); MEDLINE (Ovid, from 1946 to 8 May 2018); Embase (from 2010 to 8 May 2018); CINAHL (from 1981 to 8 May 2018); LILACS (from 1982 to 8 May 2018); and Web of Science (from 1955 to 8 May 2018). We searched clinical trial registries for current and completed trials (9 May 2018) and checked the reference lists of included studies and of previous Cochrane Reviews on macrolides. SELECTION CRITERIA We included RCTs that compared a macrolide antibiotic to placebo for any indication. We included trials using any of the four most commonly used macrolide antibiotics: azithromycin, clarithromycin, erythromycin, or roxithromycin. Macrolides could be administered by any route. Concomitant medications were permitted provided they were equally available to both treatment and comparison groups. DATA COLLECTION AND ANALYSIS Two review authors independently extracted and collected data. We assessed the risk of bias of all included studies and the quality of evidence for each outcome of interest. We analysed specific adverse events, deaths, and subsequent carriage of macrolide-resistant bacteria separately. The study participant was the unit of analysis for each adverse event. Any specific adverse events that occurred in 5% or more of any group were reported. We undertook a meta-analysis when three or more included studies reported a specific adverse event. MAIN RESULTS We included 183 studies with a total of 252,886 participants (range 40 to 190,238). The indications for macrolide antibiotics varied greatly, with most studies using macrolides for the treatment or prevention of either acute respiratory tract infections, cardiovascular diseases, chronic respiratory diseases, gastrointestinal conditions, or urogynaecological problems. Most trials were conducted in secondary care settings. Azithromycin and erythromycin were more commonly studied than clarithromycin and roxithromycin.Most studies (89%) reported some adverse events or at least stated that no adverse events were observed.Gastrointestinal adverse events were the most commonly reported type of adverse event. Compared to placebo, macrolides caused more diarrhoea (odds ratio (OR) 1.70, 95% confidence interval (CI) 1.34 to 2.16; low-quality evidence); more abdominal pain (OR 1.66, 95% CI 1.22 to 2.26; low-quality evidence); and more nausea (OR 1.61, 95% CI 1.37 to 1.90; moderate-quality evidence). Vomiting (OR 1.27, 95% CI 1.04 to 1.56; moderate-quality evidence) and gastrointestinal disorders not otherwise specified (NOS) (OR 2.16, 95% CI 1.56 to 3.00; moderate-quality evidence) were also reported more often in participants taking macrolides compared to placebo.The number of additional people (absolute difference in risk) who experienced adverse events from macrolides was: gastrointestinal disorders NOS 85/1000; diarrhoea 72/1000; abdominal pain 62/1000; nausea 47/1000; and vomiting 23/1000.The number needed to treat for an additional harmful outcome (NNTH) ranged from 12 (95% CI 8 to 23) for gastrointestinal disorders NOS to 17 (9 to 47) for abdominal pain; 19 (12 to 33) for diarrhoea; 19 (13 to 30) for nausea; and 45 (22 to 295) for vomiting.There was no clear consistent difference in gastrointestinal adverse events between different types of macrolides or route of administration.Taste disturbances were reported more often by participants taking macrolide antibiotics, although there were wide confidence intervals and moderate heterogeneity (OR 4.95, 95% CI 1.64 to 14.93; I² = 46%; low-quality evidence).Compared with participants taking placebo, those taking macrolides experienced hearing loss more often, however only four studies reported this outcome (OR 1.30, 95% CI 1.00 to 1.70; I² = 0%; low-quality evidence).We did not find any evidence that macrolides caused more cardiac disorders (OR 0.87, 95% CI 0.54 to 1.40; very low-quality evidence); hepatobiliary disorders (OR 1.04, 95% CI 0.27 to 4.09; very low-quality evidence); or changes in liver enzymes (OR 1.56, 95% CI 0.73 to 3.37; very low-quality evidence) compared to placebo.We did not find any evidence that appetite loss, dizziness, headache, respiratory symptoms, blood infections, skin and soft tissue infections, itching, or rashes were reported more often by participants treated with macrolides compared to placebo.Macrolides caused less cough (OR 0.57, 95% CI 0.40 to 0.80; moderate-quality evidence) and fewer respiratory tract infections (OR 0.70, 95% CI 0.62 to 0.80; moderate-quality evidence) compared to placebo, probably because these are not adverse events, but rather characteristics of the indications for the antibiotics. Less fever (OR 0.73, 95% 0.54 to 1.00; moderate-quality evidence) was also reported by participants taking macrolides compared to placebo, although these findings were non-significant.There was no increase in mortality in participants taking macrolides compared with placebo (OR 0.96, 95% 0.87 to 1.06; I² = 11%; low-quality evidence).Only 24 studies (13%) provided useful data on macrolide-resistant bacteria. Macrolide-resistant bacteria were more commonly identified among participants immediately after exposure to the antibiotic. However, differences in resistance thereafter were inconsistent.Pharmaceutical companies supplied the trial medication or funding, or both, for 91 trials. AUTHORS' CONCLUSIONS The macrolides as a group clearly increased rates of gastrointestinal adverse events. Most trials made at least some statement about adverse events, such as "none were observed". However, few trials clearly listed adverse events as outcomes, reported on the methods used for eliciting adverse events, or even detailed the numbers of people who experienced adverse events in both the intervention and placebo group. This was especially true for the adverse event of bacterial resistance.
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Affiliation(s)
| | - Anna M Scott
- Bond UniversityCentre for Research in Evidence‐Based Practice (CREBP)14 University DriveGold CoastQueenslandAustralia4229
| | - Amanda McCullough
- Bond UniversityCentre for Research in Evidence‐Based Practice (CREBP)14 University DriveGold CoastQueenslandAustralia4229
| | - Sarah Thorning
- Gold Coast Hospital and Health ServiceGCUH LibraryLevel 1, Block E, GCUHSouthportQueenslandAustralia4215
| | - Jeffrey K Aronson
- Oxford UniversityNuffield Department of Primary Care Health SciencesOxfordOxonUKOX26GG
| | - Elaine M Beller
- Bond UniversityCentre for Research in Evidence‐Based Practice (CREBP)14 University DriveGold CoastQueenslandAustralia4229
| | - Paul P Glasziou
- Bond UniversityCentre for Research in Evidence‐Based Practice (CREBP)14 University DriveGold CoastQueenslandAustralia4229
| | - Tammy C Hoffmann
- Bond UniversityCentre for Research in Evidence‐Based Practice (CREBP)14 University DriveGold CoastQueenslandAustralia4229
| | - Justin Clark
- Bond UniversityCentre for Research in Evidence‐Based Practice (CREBP)14 University DriveGold CoastQueenslandAustralia4229
| | - Chris B Del Mar
- Bond UniversityCentre for Research in Evidence‐Based Practice (CREBP)14 University DriveGold CoastQueenslandAustralia4229
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Alsaleh R, Gari S, Gari M. The Awareness of Pregnant Patient about Effect of Antibiotics in Pregnancy. J Microsc Ultrastruct 2019; 7:72-77. [PMID: 31293888 PMCID: PMC6585477 DOI: 10.4103/jmau.jmau_56_18] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Background Medication during pregnancy should be prescribed under caution as some medication has adverse effects on fetus health and they may be teratogenic. Antibiotics are widely used in pregnancy as a result of infections, adding that many pregnant women may administrate antibiotic without doctors' prescription. It is very important to assess the awareness of females about the effect of antibiotics during the pregnancy period. Aim The aim of the study is to assess the awareness of pregnant patient about effect of antibiotics in pregnancy. Subjects and Methods This study is cross-sectional study which was conducted in 2017 from September to October. Data were collected using interviewing questionnaire which investigated several variables including sociodemographics, clinical examination, clinical history, and clinical measurements. Results Education and economic levels significantly affected the knowledge about reason for using antibiotic (P = 0.006, 0.002), using of antibiotic against what (P = 0.005, 0.000), education level affected the knowledge about the using of antibiotic without doctors' prescription (P = 0.01), and while economic level influenced knowledge about the effect of antibiotic (P = 0.01). Conclusion There was good level of knowledge about using of antibiotic during pregnancy among females which was affected by economic and education levels.
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Affiliation(s)
- Rehab Alsaleh
- Department of Obstetrics and Gynecology, Ibn Sina National College, Jeddah, Saudi Arabia
| | - Shahad Gari
- Department of Obstetrics and Gynecology, Ibn Sina National College, Jeddah, Saudi Arabia
| | - Maram Gari
- Department of Obstetrics and Gynecology, Ibn Sina National College, Jeddah, Saudi Arabia
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Subtil D, Brabant G, Tilloy E, Devos P, Canis F, Fruchart A, Bissinger MC, Dugimont JC, Nolf C, Hacot C, Gautier S, Chantrel J, Jousse M, Desseauve D, Plennevaux JL, Delaeter C, Deghilage S, Personne A, Joyez E, Guinard E, Kipnis E, Faure K, Grandbastien B, Ancel PY, Goffinet F, Dessein R. Early clindamycin for bacterial vaginosis in pregnancy (PREMEVA): a multicentre, double-blind, randomised controlled trial. Lancet 2018; 392:2171-2179. [PMID: 30322724 DOI: 10.1016/s0140-6736(18)31617-9] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/19/2017] [Revised: 02/22/2018] [Accepted: 07/10/2018] [Indexed: 11/17/2022]
Abstract
BACKGROUND Preterm delivery during pregnancy (<37 weeks' gestation) is a leading cause of perinatal mortality and morbidity. Treating bacterial vaginosis during pregnancy can reduce poor outcomes, such as preterm birth. We aimed to investigate whether treatment of bacterial vaginosis decreases late miscarriages or spontaneous very preterm birth. METHODS PREMEVA was a double-blind randomised controlled trial done in 40 French centres. Women aged 18 years or older with bacterial vaginosis and low-risk pregnancy were eligible for inclusion and were randomly assigned (2:1) to three parallel groups: single-course or triple-course 300 mg clindamycin twice-daily for 4 days, or placebo. Women with high-risk pregnancy outcomes were eligible for inclusion in a high-risk subtrial and were randomly assigned (1:1) to either single-course or triple-course clindamycin. The primary outcome was a composite of late miscarriage (16-21 weeks) or spontaneous very preterm birth (22-32 weeks), which we assessed in all patients with delivery data (modified intention to treat). Adverse events were systematically reported. This study is registered with ClinicalTrials.gov, number NCT00642980. FINDINGS Between April 1, 2006, and June 30, 2011, we screened 84 530 pregnant women before 14 weeks' gestation. 5630 had bacterial vaginosis, of whom 3105 were randomly assigned to groups in the low-risk trial (n=943 to receive single-course clindamycin, n=968 to receive triple-course clindamycin, and n=958 to receive placebo) or high-risk subtrial (n=122 to receive single-course clindamycin and n=114 to receive triple-course clindamycin). In 2869 low-risk pregnancies, the primary outcome occurred in 22 (1·2%) of 1904 participants receiving clindamycin and 10 (1·0%) of 956 participants receiving placebo (relative risk [RR] 1·10, 95% CI 0·53-2·32; p=0·82). In 236 high-risk pregnancies, the primary outcome occurred in 5 (4·4%) participants in the triple-course clindamycin group and 8 (6·0%) participants in the single-course clindamycin group (RR 0·67, 95% CI 0·23-2·00; p=0·47). In the low-risk trial, adverse events were more common in the clindamycin groups than in the placebo group (58 [3·0%] of 1904 vs 12 [1·3%] of 956; p=0·0035). The most commonly reported adverse event was diarrhoea (30 [1·6%] in the clindamycin groups vs 4 [0·4%] in the placebo group; p=0·0071); abdominal pain was also observed in the clindamycin groups (9 [0·6%] participants) versus none in the placebo group (p=0·034). No severe adverse event was reported in any group. Adverse fetal and neonatal outcomes did not differ significantly between groups in the high-risk subtrial. INTERPRETATION Systematic screening and subsequent treatment for bacterial vaginosis in women with low-risk pregnancies shows no evidence of risk reduction of late miscarriage or spontaneous very preterm birth. Use of antibiotics to prevent preterm delivery in this patient population should be reconsidered. FUNDING French Ministry of Health.
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Affiliation(s)
- Damien Subtil
- Pôle Femme Mère Nouveau-né, Centre Hospitalier Universitaire de Lille, Lille, France; Epidémiologie et Qualité des soins (EA 2694), Université de Lille, Lille, France
| | - Gilles Brabant
- Service de Gynécologie-Obstétrique, Groupement des Hôpitaux de l'Institut Catholique de Lille, Hôpital Saint Vincent, Lille, France
| | - Emma Tilloy
- Pôle Femme Mère Nouveau-né, Centre Hospitalier Universitaire de Lille, Lille, France; Epidémiologie et Qualité des soins (EA 2694), Université de Lille, Lille, France
| | - Patrick Devos
- Epidémiologie et Qualité des soins (EA 2694), Université de Lille, Lille, France
| | - Frédérique Canis
- Laboratoire de Biologie Médicale, Centre Hospitalier de Valenciennes, Valenciennes, France
| | - Annie Fruchart
- Institut de Microbiologie, Centre Hospitalier Universitaire de Lille, Lille, France
| | | | | | - Catherine Nolf
- Association des Biologistes des Régions Nord Picardie, Marcq-en-Baroeul, France
| | - Christophe Hacot
- Association des Biologistes des Régions Nord Picardie, Marcq-en-Baroeul, France
| | - Sophie Gautier
- Centre Regional de Pharmacovigilance, Centre Hospitalier Universitaire de Lille, Lille, France
| | - Jérôme Chantrel
- Hôpital Privé de Villeneuve d'Ascq, Villeneuve d'Ascq, France
| | - Marielle Jousse
- Service de Gynécologie-Obstétrique, Centre Hospitalier Universitaire de Poitiers, Poitiers, France
| | - David Desseauve
- Service de Gynécologie-Obstétrique, Centre Hospitalier Universitaire de Poitiers, Poitiers, France
| | | | - Christine Delaeter
- Pôle Femme Mère Nouveau-né, Centre Hospitalier Universitaire de Lille, Lille, France
| | - Sylvie Deghilage
- Pôle Femme Mère Nouveau-né, Centre Hospitalier Universitaire de Lille, Lille, France
| | - Anne Personne
- Pôle Femme Mère Nouveau-né, Centre Hospitalier Universitaire de Lille, Lille, France
| | - Emmanuelle Joyez
- Service de Gynécologie-Obstétrique, Centre Hospitalier de Calais, Calais, France
| | - Elisabeth Guinard
- Service de Gynécologie-Obstétrique, Centre Hospitalier de Calais, Calais, France
| | - Eric Kipnis
- Service de Réanimation Chirurgicale, Centre Hospitalier Universitaire de Lille, Lille, France; Recherche Translationelle Relation Hôte-Pathogènes, Université de Lille, Lille, France
| | - Karine Faure
- Service de Maladies Infectieuses, Centre Hospitalier Universitaire de Lille, Lille, France; Recherche Translationelle Relation Hôte-Pathogènes, Université de Lille, Lille, France
| | - Bruno Grandbastien
- Service de Gestion de Risque Infectieux et des Vigilances, Centre Hospitalier Universitaire de Lille, Lille, France; Epidémiologie et Qualité des soins (EA 2694), Université de Lille, Lille, France
| | - Pierre-Yves Ancel
- Epidemiological Research in Perinatal Health and Women's and Children Health, INSERM UMR 1153, Paris, France
| | - François Goffinet
- Epidemiological Research in Perinatal Health and Women's and Children Health, INSERM UMR 1153, Paris, France; Service de Gynécologie-Obstétrique, Centre Hospitalier Universitaire Cochin Port Royal Saint Vincent de Paul, Paris, France
| | - Rodrigue Dessein
- Institut de Microbiologie, Centre Hospitalier Universitaire de Lille, Lille, France; Recherche Translationelle Relation Hôte-Pathogènes, Université de Lille, Lille, France.
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Suff N, Karda R, Diaz JA, Ng J, Baruteau J, Perocheau D, Tangney M, Taylor PW, Peebles D, Buckley SMK, Waddington SN. Ascending Vaginal Infection Using Bioluminescent Bacteria Evokes Intrauterine Inflammation, Preterm Birth, and Neonatal Brain Injury in Pregnant Mice. THE AMERICAN JOURNAL OF PATHOLOGY 2018; 188:2164-2176. [PMID: 30036519 PMCID: PMC6168615 DOI: 10.1016/j.ajpath.2018.06.016] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Revised: 06/08/2018] [Accepted: 06/19/2018] [Indexed: 12/11/2022]
Abstract
Preterm birth is a serious global health problem and the leading cause of infant death before 5 years of age. At least 40% of cases are associated with infection. The most common way for pathogens to access the uterine cavity is by ascending from the vagina. Bioluminescent pathogens have revolutionized the understanding of infectious diseases. We hypothesized that bioluminescent Escherichia coli can be used to track and monitor ascending vaginal infections. Two bioluminescent strains were studied: E. coli K12 MG1655-lux, a nonpathogenic laboratory strain, and E. coli K1 A192PP-lux2, a pathogenic strain capable of causing neonatal meningitis and sepsis in neonatal rats. On embryonic day 16, mice received intravaginal E. coli K12, E. coli K1, or phosphate-buffered saline followed by whole-body bioluminescent imaging. In both cases, intravaginal delivery of E. coli K12 or E. coli K1 led to bacterial ascension into the uterine cavity, but only E. coli K1 induced preterm parturition. Intravaginal administration of E. coli K1 significantly reduced the proportion of pups born alive compared with E. coli K12 and phosphate-buffered saline controls. However, in both groups of viable pups born after bacterial inoculation, there was evidence of comparable brain inflammation by postnatal day 6. This study ascribes specific mechanisms by which exposure to intrauterine bacteria leads to premature delivery and neurologic inflammation in neonates.
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Affiliation(s)
- Natalie Suff
- Gene Transfer Technology Group, University College London, London, United Kingdom; Preterm Birth Group, Department of Maternal and Fetal Medicine, Institute for Women's Health, University College London, London, United Kingdom
| | - Rajvinder Karda
- Gene Transfer Technology Group, University College London, London, United Kingdom
| | - Juan A Diaz
- Gene Transfer Technology Group, University College London, London, United Kingdom
| | - Joanne Ng
- Gene Transfer Technology Group, University College London, London, United Kingdom
| | - Julien Baruteau
- Gene Transfer Technology Group, University College London, London, United Kingdom; Department of Metabolic Medicine, Great Ormond Street Hospital for Children NHS Foundation Trust, London, United Kingdom
| | - Dany Perocheau
- Gene Transfer Technology Group, University College London, London, United Kingdom
| | - Mark Tangney
- SynBio Centre, University College Cork, Cork, Ireland
| | - Peter W Taylor
- School of Pharmacy, University College London, London, United Kingdom
| | - Donald Peebles
- Preterm Birth Group, Department of Maternal and Fetal Medicine, Institute for Women's Health, University College London, London, United Kingdom
| | - Suzanne M K Buckley
- Gene Transfer Technology Group, University College London, London, United Kingdom.
| | - Simon N Waddington
- Gene Transfer Technology Group, University College London, London, United Kingdom; MRC Antiviral Gene Therapy Research Unit, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
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83
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ACOG Practice Bulletin No. 199: Use of Prophylactic Antibiotics in Labor and Delivery. Obstet Gynecol 2018; 132:e103-e119. [DOI: 10.1097/aog.0000000000002833] [Citation(s) in RCA: 105] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Ellery SJ, Kelleher M, Grigsby P, Burd I, Derks JB, Hirst J, Miller SL, Sherman LS, Tolcos M, Walker DW. Antenatal prevention of cerebral palsy and childhood disability: is the impossible possible? J Physiol 2018; 596:5593-5609. [PMID: 29928763 DOI: 10.1113/jp275595] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Accepted: 05/15/2018] [Indexed: 12/11/2022] Open
Abstract
This review covers our current knowledge of the causes of perinatal brain injury leading to cerebral palsy-like outcomes, and argues that much of this brain damage is preventable. We review the experimental evidence that there are treatments that can be safely administered to women in late pregnancy that decrease the likelihood and extent of perinatal brain damage that occurs because of acute and severe hypoxia that arises during some births, and the additional impact of chronic fetal hypoxia, infection, inflammation, growth restriction and preterm birth. We discuss the types of interventions required to ameliorate or even prevent apoptotic and necrotic cell death, and the vulnerability of all the major cell types in the brain (neurons, astrocytes, oligodendrocytes, microglia, cerebral vasculature) to hypoxia/ischaemia, and whether a pan-protective treatment given to the mother before birth is a realistic prospect.
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Affiliation(s)
- Stacey J Ellery
- The Ritchie Centre, Hudson Institute of Medical Research and Department of Obstetrics and Gynaecology, Monash University, Melbourne, Australia
| | - Meredith Kelleher
- Oregon National Primate Research Center, Oregon Health & Science University, Portland, OR, USA
| | - Peta Grigsby
- Oregon National Primate Research Center, Oregon Health & Science University, Portland, OR, USA
| | - Irina Burd
- Department of Gynecology & Obstetrics, Johns Hopkins University, Baltimore, MD, USA
| | - Jan B Derks
- Department of Perinatal Medicine University Medical Center Utrecht, The Netherlands, Gynaecology, Monash University, Melbourne, Australia
| | - Jon Hirst
- University of Newcastle, Newcastle, Australia
| | - Suzanne L Miller
- The Ritchie Centre, Hudson Institute of Medical Research and Department of Obstetrics and Gynaecology, Monash University, Melbourne, Australia
| | - Larry S Sherman
- Oregon National Primate Research Center, Oregon Health & Science University, Portland, OR, USA
| | - Mary Tolcos
- School of Health & Biomedical Sciences, RMIT University, Bundoora, Melbourne, Australia
| | - David W Walker
- The Ritchie Centre, Hudson Institute of Medical Research and Department of Obstetrics and Gynaecology, Monash University, Melbourne, Australia.,School of Health & Biomedical Sciences, RMIT University, Bundoora, Melbourne, Australia
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Relationships Between Perinatal Interventions, Maternal-Infant Microbiomes, and Neonatal Outcomes. Clin Perinatol 2018; 45:339-355. [PMID: 29747892 DOI: 10.1016/j.clp.2018.01.008] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
The human microbiome acquires its vastness and diversity over a relatively short time period during development. Much is unknown, however, about the precise prenatal versus postnatal timing or its sources and determinants. Given early evidence of a role for influences during pregnancy and early neonatal and infant life on the microbiome and subsequent metabolic health, research investigating the development and shaping of the microbiome in the fetus and neonate is an important arena for study. This article reviews the relevant available literature and future questions on what shapes the microbiome during early development and mechanisms for doing so.
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87
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van 't Hooft J, van der Lee JH, Opmeer BC, van Wassenaer-Leemhuis AG, van Baar AL, Bekedam DJ, Steenis LJP, Liem S, Schuit E, Cuijpers C, Bleeker E, Vinke ME, Simons N, de Graaf IM, Mol BWJ, van de Beek C. Pessary for prevention of preterm birth in twin pregnancy with short cervix: 3-year follow-up study. ULTRASOUND IN OBSTETRICS & GYNECOLOGY : THE OFFICIAL JOURNAL OF THE INTERNATIONAL SOCIETY OF ULTRASOUND IN OBSTETRICS AND GYNECOLOGY 2018; 51:621-628. [PMID: 29468770 DOI: 10.1002/uog.19029] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2017] [Revised: 11/06/2017] [Accepted: 01/03/2018] [Indexed: 06/08/2023]
Abstract
OBJECTIVE A recent randomized clinical trial (ProTWIN) showed that a cervical pessary prevented preterm birth and improved neonatal outcome in women with multiple pregnancy and cervical length (CL) < 38 mm. In this follow-up study, the long-term developmental outcome of these children was evaluated at 3 years' corrected age. METHODS This was a follow-up study of ProTWIN, a multicenter trial conducted between 2009 and 2012 in which asymptomatic women with a multiple pregnancy were randomized to placement of a cervical pessary or no intervention. Current follow-up and analysis were limited to mothers with a mid-trimester CL < 38 mm (78 women (157 children) in the pessary group and 55 women (111 children) in the control group). At 3 years of corrected age, surviving children were invited for a Bayley Scales of Infant and Toddler Development-third edition (Bayley-III) assessment. Death after randomization or neurodevelopmental disability (Bayley-III score of ≤ 85, 1 SD below mean) rates were compared between the pessary and control groups, according to the intention-to-treat principle and using multiple imputation for missing data. Mean Bayley-III scores in surviving children were also assessed. A linear mixed-effects model was used to adjust for correlation between children of one mother. RESULTS From the time of entry in the ProTWIN trial until follow-up at 3 years of age, a total of 27 children had died (six (5%) in the pessary vs 21 (26%) in the control group; odds ratio (OR), 0.13; 95% CI, 0.04-0.48). Bayley-III outcomes were collected for 173/241 (72%) surviving children (114 (75%) in the pessary vs 59 (66%) in the control group). The cumulative incidence of death or survival with a neurodevelopmental disability was 12 (10%) in the pessary vs 23 (29%) in the control group (OR, 0.26; 95% CI, 0.09-0.73). No statistical or clinically relevant differences were found with respect to cognitive, language and motor development among surviving children between the groups. Comparable results were found after multiple imputation. CONCLUSION In women with twin pregnancy and a CL < 38 mm, the use of a cervical pessary strongly improved survival of the children without affecting neurodevelopment at 3 years' corrected age. Copyright © 2018 ISUOG. Published by John Wiley & Sons Ltd.
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Affiliation(s)
- J van 't Hooft
- Department of Obstetrics and Gynecology, Academic Medical Center, Amsterdam, The Netherlands
| | - J H van der Lee
- Pediatric Clinical Research Office, Emma Children's Hospital, Academic Medical Center, Amsterdam, The Netherlands
| | - B C Opmeer
- Clinical Research Unit, Academic Medical Center, Amsterdam, The Netherlands
| | - A G van Wassenaer-Leemhuis
- Department of Neonatology and Pediatrics, Emma Children's Hospital, Academic Medical Center, Amsterdam, The Netherlands
| | - A L van Baar
- Child and Adolescent Studies, Utrecht University, Utrecht, The Netherlands
| | - D J Bekedam
- Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis-Oost, Amsterdam, The Netherlands
| | - L J P Steenis
- Child and Adolescent Studies, Utrecht University, Utrecht, The Netherlands
| | - S Liem
- Department of Obstetrics and Gynecology, Academic Medical Center, Amsterdam, The Netherlands
| | - E Schuit
- Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands
| | - C Cuijpers
- Department of Obstetrics and Gynecology, Academic Medical Center, Amsterdam, The Netherlands
| | - E Bleeker
- Department of Obstetrics and Gynecology, Academic Medical Center, Amsterdam, The Netherlands
| | - M E Vinke
- Department of Obstetrics and Gynecology, Academic Medical Center, Amsterdam, The Netherlands
| | - N Simons
- Department of Obstetrics and Gynecology, Academic Medical Center, Amsterdam, The Netherlands
| | - I M de Graaf
- Department of Obstetrics and Gynecology, Academic Medical Center, Amsterdam, The Netherlands
| | - B W J Mol
- Department of Obstetrics and Gynaecology, Monash University, Clayton, Australia
| | - C van de Beek
- Department of Obstetrics and Gynecology, Academic Medical Center, Amsterdam, The Netherlands
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Ghouri F, Hollywood A, Ryan K. A systematic review of non-antibiotic measures for the prevention of urinary tract infections in pregnancy. BMC Pregnancy Childbirth 2018; 18:99. [PMID: 29653573 PMCID: PMC5899369 DOI: 10.1186/s12884-018-1732-2] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Accepted: 04/05/2018] [Indexed: 11/16/2022] Open
Abstract
Background Urinary tract infections (UTIs) are common in pregnancy and account for the highest proportion of primary care antibiotic prescriptions issued to pregnant women in the UK. It is well known that antibiotic use is associated with increased antimicrobial resistance and therefore measures to minimise antibiotic use for UTI prevention have been studied. The efficacy and safety of these measures in pregnancy have not been addressed and therefore the aim of this study was to systematically review the literature to identify and evaluate potential measures to prevent UTIs in pregnant women. Methods Ten databases (EMBASE, AMED, BNI, CINAHL, Medline, PubMed, PsycINFO, Cochrane Trials, Scopus and Science Direct) were systematically searched in July 2017 for studies reporting non-antibiotic measures to prevent UTIs in pregnancy. The terms (“urinary tract infection” or UTI or bacteriuria or cystitis) AND (prevention) AND (pregnan*) were used. The quality of the publications was appraised using the Critical Appraisal Skills Programme (CASP) checklists for cohort study, case-control study and randomised controlled trial. The results were synthesised using a textual narrative approach. Results Search results yielded 3276 publications and after reviewing titles and removing duplicates, 57 full text articles were assessed for eligibility and eight were included in the review. Five different approaches (hygiene measures, cranberry juice, immunisation, ascorbic acid and Canephron® N) have been identified, all of which are reported to be safe in pregnancy. Conclusion The quality of the evidence varied considerably and only hygiene measures were supported by evidence to be recommended in practice. Future work needs to concentrate on strengthening the evidence base through improved design and reporting of studies with a focus on immunisation, ascorbic acid and Canephron® N. Electronic supplementary material The online version of this article (10.1186/s12884-018-1732-2) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Flavia Ghouri
- School of Pharmacy, University of Reading, PO Box 226, Whiteknights, Reading, RG6 6AP, UK
| | - Amelia Hollywood
- School of Pharmacy, University of Reading, PO Box 226, Whiteknights, Reading, RG6 6AP, UK.
| | - Kath Ryan
- School of Pharmacy, University of Reading, PO Box 226, Whiteknights, Reading, RG6 6AP, UK
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Huppertz H. Folgen perioperativer Antibiotikaprophylaxe bei Kaiserschnittentbindung für das Kind. Monatsschr Kinderheilkd 2018. [DOI: 10.1007/s00112-017-0345-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Shah PS, McDonald SD, Barrett J, Synnes A, Robson K, Foster J, Pasquier JC, Joseph KS, Piedboeuf B, Lacaze-Masmonteil T, O'Brien K, Shivananda S, Chaillet N, Pechlivanoglou P. The Canadian Preterm Birth Network: a study protocol for improving outcomes for preterm infants and their families. CMAJ Open 2018; 6:E44-E49. [PMID: 29348260 PMCID: PMC5878956 DOI: 10.9778/cmajo.20170128] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND Preterm birth (birth before 37 wk of gestation) occurs in about 8% of pregnancies in Canada and is associated with high mortality and morbidity rates that substantially affect infants, their families and the health care system. Our overall goal is to create a transdisciplinary platform, the Canadian Preterm Birth Network (CPTBN), where investigators, stakeholders and families will work together to improve childhood outcomes of preterm neonates. METHODS Our national cohort will include 24 maternal-fetal/obstetrical units, 31 neonatal intensive care units and 26 neonatal follow-up programs across Canada with planned linkages to provincial health information systems. Three broad clusters of projects will be undertaken. Cluster 1 will focus on quality-improvement efforts that use the Evidence-based Practice for Improving Quality method to evaluate information from the CPTBN database and review the current literature, then identify potentially better health care practices and implement identified strategies. Cluster 2 will assess the impact of current practices and practice changes in maternal, perinatal and neonatal care on maternal, neonatal and neurodevelopmental outcomes. Cluster 3 will evaluate the effect of preterm birth on babies, their families and the health care system by integrating CPTBN data, parent feedback, and national and provincial database information in order to identify areas where more parental support is needed, and also generate robust estimates of resource use, cost and cost-effectiveness around preterm neonatal care. INTERPRETATION These collaborative efforts will create a flexible, transdisciplinary, evaluable and informative research and quality-improvement platform that supports programs, projects and partnerships focused on improving outcomes of preterm neonates.
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Affiliation(s)
- Prakesh S Shah
- Affiliations: Department of Paediatrics (Shah, O'Brien), Mount Sinai Hospital; Department of Pediatrics (Shah, O'Brien), University of Toronto, Toronto, Ont.; Departments of Obstetrics and Gynecology, Radiology, and Health Research Methods, Evidence, and Impact (McDonald), McMaster University, Hamilton, Ont.; Women and Babies Program (Barrett), Sunnybrook Health Sciences Centre, Sunnybrook Research Institute, Toronto, Ont.; Department of Pediatrics (Synnes, Shivananda), University of British Columbia, Vancouver, BC; Canadian Premature Babies Foundation (Robson, Foster), Toronto, Ont.; Women and Babies Program (Robson), Sunnybrook Health Sciences Centre, Toronto, Ont.; Department of Obstetrics and Gynecology (Pasquier), Université de Sherbrooke, Sherbrooke, Que.; Department of Obstetrics and Gynaecology (Joseph), University of British Columbia, Vancouver, BC; Department of Pediatrics (Piedboeuf), Université Laval, Québec, Que.; Department of Pediatrics (Lacaze-Masmonteil), Alberta Health Services and Cumming School of Medicine, University of Calgary, Calgary, Alta.; Department of Obstetrics and Gynecology (Chaillet), Université Laval, Québec, Que.; Child Health Evaluative Sciences (Pechlivanoglou), The Hospital for Sick Children, Toronto, Ont
| | - Sarah D McDonald
- Affiliations: Department of Paediatrics (Shah, O'Brien), Mount Sinai Hospital; Department of Pediatrics (Shah, O'Brien), University of Toronto, Toronto, Ont.; Departments of Obstetrics and Gynecology, Radiology, and Health Research Methods, Evidence, and Impact (McDonald), McMaster University, Hamilton, Ont.; Women and Babies Program (Barrett), Sunnybrook Health Sciences Centre, Sunnybrook Research Institute, Toronto, Ont.; Department of Pediatrics (Synnes, Shivananda), University of British Columbia, Vancouver, BC; Canadian Premature Babies Foundation (Robson, Foster), Toronto, Ont.; Women and Babies Program (Robson), Sunnybrook Health Sciences Centre, Toronto, Ont.; Department of Obstetrics and Gynecology (Pasquier), Université de Sherbrooke, Sherbrooke, Que.; Department of Obstetrics and Gynaecology (Joseph), University of British Columbia, Vancouver, BC; Department of Pediatrics (Piedboeuf), Université Laval, Québec, Que.; Department of Pediatrics (Lacaze-Masmonteil), Alberta Health Services and Cumming School of Medicine, University of Calgary, Calgary, Alta.; Department of Obstetrics and Gynecology (Chaillet), Université Laval, Québec, Que.; Child Health Evaluative Sciences (Pechlivanoglou), The Hospital for Sick Children, Toronto, Ont
| | - Jon Barrett
- Affiliations: Department of Paediatrics (Shah, O'Brien), Mount Sinai Hospital; Department of Pediatrics (Shah, O'Brien), University of Toronto, Toronto, Ont.; Departments of Obstetrics and Gynecology, Radiology, and Health Research Methods, Evidence, and Impact (McDonald), McMaster University, Hamilton, Ont.; Women and Babies Program (Barrett), Sunnybrook Health Sciences Centre, Sunnybrook Research Institute, Toronto, Ont.; Department of Pediatrics (Synnes, Shivananda), University of British Columbia, Vancouver, BC; Canadian Premature Babies Foundation (Robson, Foster), Toronto, Ont.; Women and Babies Program (Robson), Sunnybrook Health Sciences Centre, Toronto, Ont.; Department of Obstetrics and Gynecology (Pasquier), Université de Sherbrooke, Sherbrooke, Que.; Department of Obstetrics and Gynaecology (Joseph), University of British Columbia, Vancouver, BC; Department of Pediatrics (Piedboeuf), Université Laval, Québec, Que.; Department of Pediatrics (Lacaze-Masmonteil), Alberta Health Services and Cumming School of Medicine, University of Calgary, Calgary, Alta.; Department of Obstetrics and Gynecology (Chaillet), Université Laval, Québec, Que.; Child Health Evaluative Sciences (Pechlivanoglou), The Hospital for Sick Children, Toronto, Ont
| | - Anne Synnes
- Affiliations: Department of Paediatrics (Shah, O'Brien), Mount Sinai Hospital; Department of Pediatrics (Shah, O'Brien), University of Toronto, Toronto, Ont.; Departments of Obstetrics and Gynecology, Radiology, and Health Research Methods, Evidence, and Impact (McDonald), McMaster University, Hamilton, Ont.; Women and Babies Program (Barrett), Sunnybrook Health Sciences Centre, Sunnybrook Research Institute, Toronto, Ont.; Department of Pediatrics (Synnes, Shivananda), University of British Columbia, Vancouver, BC; Canadian Premature Babies Foundation (Robson, Foster), Toronto, Ont.; Women and Babies Program (Robson), Sunnybrook Health Sciences Centre, Toronto, Ont.; Department of Obstetrics and Gynecology (Pasquier), Université de Sherbrooke, Sherbrooke, Que.; Department of Obstetrics and Gynaecology (Joseph), University of British Columbia, Vancouver, BC; Department of Pediatrics (Piedboeuf), Université Laval, Québec, Que.; Department of Pediatrics (Lacaze-Masmonteil), Alberta Health Services and Cumming School of Medicine, University of Calgary, Calgary, Alta.; Department of Obstetrics and Gynecology (Chaillet), Université Laval, Québec, Que.; Child Health Evaluative Sciences (Pechlivanoglou), The Hospital for Sick Children, Toronto, Ont
| | - Kate Robson
- Affiliations: Department of Paediatrics (Shah, O'Brien), Mount Sinai Hospital; Department of Pediatrics (Shah, O'Brien), University of Toronto, Toronto, Ont.; Departments of Obstetrics and Gynecology, Radiology, and Health Research Methods, Evidence, and Impact (McDonald), McMaster University, Hamilton, Ont.; Women and Babies Program (Barrett), Sunnybrook Health Sciences Centre, Sunnybrook Research Institute, Toronto, Ont.; Department of Pediatrics (Synnes, Shivananda), University of British Columbia, Vancouver, BC; Canadian Premature Babies Foundation (Robson, Foster), Toronto, Ont.; Women and Babies Program (Robson), Sunnybrook Health Sciences Centre, Toronto, Ont.; Department of Obstetrics and Gynecology (Pasquier), Université de Sherbrooke, Sherbrooke, Que.; Department of Obstetrics and Gynaecology (Joseph), University of British Columbia, Vancouver, BC; Department of Pediatrics (Piedboeuf), Université Laval, Québec, Que.; Department of Pediatrics (Lacaze-Masmonteil), Alberta Health Services and Cumming School of Medicine, University of Calgary, Calgary, Alta.; Department of Obstetrics and Gynecology (Chaillet), Université Laval, Québec, Que.; Child Health Evaluative Sciences (Pechlivanoglou), The Hospital for Sick Children, Toronto, Ont
| | - Jonathan Foster
- Affiliations: Department of Paediatrics (Shah, O'Brien), Mount Sinai Hospital; Department of Pediatrics (Shah, O'Brien), University of Toronto, Toronto, Ont.; Departments of Obstetrics and Gynecology, Radiology, and Health Research Methods, Evidence, and Impact (McDonald), McMaster University, Hamilton, Ont.; Women and Babies Program (Barrett), Sunnybrook Health Sciences Centre, Sunnybrook Research Institute, Toronto, Ont.; Department of Pediatrics (Synnes, Shivananda), University of British Columbia, Vancouver, BC; Canadian Premature Babies Foundation (Robson, Foster), Toronto, Ont.; Women and Babies Program (Robson), Sunnybrook Health Sciences Centre, Toronto, Ont.; Department of Obstetrics and Gynecology (Pasquier), Université de Sherbrooke, Sherbrooke, Que.; Department of Obstetrics and Gynaecology (Joseph), University of British Columbia, Vancouver, BC; Department of Pediatrics (Piedboeuf), Université Laval, Québec, Que.; Department of Pediatrics (Lacaze-Masmonteil), Alberta Health Services and Cumming School of Medicine, University of Calgary, Calgary, Alta.; Department of Obstetrics and Gynecology (Chaillet), Université Laval, Québec, Que.; Child Health Evaluative Sciences (Pechlivanoglou), The Hospital for Sick Children, Toronto, Ont
| | - Jean-Charles Pasquier
- Affiliations: Department of Paediatrics (Shah, O'Brien), Mount Sinai Hospital; Department of Pediatrics (Shah, O'Brien), University of Toronto, Toronto, Ont.; Departments of Obstetrics and Gynecology, Radiology, and Health Research Methods, Evidence, and Impact (McDonald), McMaster University, Hamilton, Ont.; Women and Babies Program (Barrett), Sunnybrook Health Sciences Centre, Sunnybrook Research Institute, Toronto, Ont.; Department of Pediatrics (Synnes, Shivananda), University of British Columbia, Vancouver, BC; Canadian Premature Babies Foundation (Robson, Foster), Toronto, Ont.; Women and Babies Program (Robson), Sunnybrook Health Sciences Centre, Toronto, Ont.; Department of Obstetrics and Gynecology (Pasquier), Université de Sherbrooke, Sherbrooke, Que.; Department of Obstetrics and Gynaecology (Joseph), University of British Columbia, Vancouver, BC; Department of Pediatrics (Piedboeuf), Université Laval, Québec, Que.; Department of Pediatrics (Lacaze-Masmonteil), Alberta Health Services and Cumming School of Medicine, University of Calgary, Calgary, Alta.; Department of Obstetrics and Gynecology (Chaillet), Université Laval, Québec, Que.; Child Health Evaluative Sciences (Pechlivanoglou), The Hospital for Sick Children, Toronto, Ont
| | - K S Joseph
- Affiliations: Department of Paediatrics (Shah, O'Brien), Mount Sinai Hospital; Department of Pediatrics (Shah, O'Brien), University of Toronto, Toronto, Ont.; Departments of Obstetrics and Gynecology, Radiology, and Health Research Methods, Evidence, and Impact (McDonald), McMaster University, Hamilton, Ont.; Women and Babies Program (Barrett), Sunnybrook Health Sciences Centre, Sunnybrook Research Institute, Toronto, Ont.; Department of Pediatrics (Synnes, Shivananda), University of British Columbia, Vancouver, BC; Canadian Premature Babies Foundation (Robson, Foster), Toronto, Ont.; Women and Babies Program (Robson), Sunnybrook Health Sciences Centre, Toronto, Ont.; Department of Obstetrics and Gynecology (Pasquier), Université de Sherbrooke, Sherbrooke, Que.; Department of Obstetrics and Gynaecology (Joseph), University of British Columbia, Vancouver, BC; Department of Pediatrics (Piedboeuf), Université Laval, Québec, Que.; Department of Pediatrics (Lacaze-Masmonteil), Alberta Health Services and Cumming School of Medicine, University of Calgary, Calgary, Alta.; Department of Obstetrics and Gynecology (Chaillet), Université Laval, Québec, Que.; Child Health Evaluative Sciences (Pechlivanoglou), The Hospital for Sick Children, Toronto, Ont
| | - Bruno Piedboeuf
- Affiliations: Department of Paediatrics (Shah, O'Brien), Mount Sinai Hospital; Department of Pediatrics (Shah, O'Brien), University of Toronto, Toronto, Ont.; Departments of Obstetrics and Gynecology, Radiology, and Health Research Methods, Evidence, and Impact (McDonald), McMaster University, Hamilton, Ont.; Women and Babies Program (Barrett), Sunnybrook Health Sciences Centre, Sunnybrook Research Institute, Toronto, Ont.; Department of Pediatrics (Synnes, Shivananda), University of British Columbia, Vancouver, BC; Canadian Premature Babies Foundation (Robson, Foster), Toronto, Ont.; Women and Babies Program (Robson), Sunnybrook Health Sciences Centre, Toronto, Ont.; Department of Obstetrics and Gynecology (Pasquier), Université de Sherbrooke, Sherbrooke, Que.; Department of Obstetrics and Gynaecology (Joseph), University of British Columbia, Vancouver, BC; Department of Pediatrics (Piedboeuf), Université Laval, Québec, Que.; Department of Pediatrics (Lacaze-Masmonteil), Alberta Health Services and Cumming School of Medicine, University of Calgary, Calgary, Alta.; Department of Obstetrics and Gynecology (Chaillet), Université Laval, Québec, Que.; Child Health Evaluative Sciences (Pechlivanoglou), The Hospital for Sick Children, Toronto, Ont
| | - Thierry Lacaze-Masmonteil
- Affiliations: Department of Paediatrics (Shah, O'Brien), Mount Sinai Hospital; Department of Pediatrics (Shah, O'Brien), University of Toronto, Toronto, Ont.; Departments of Obstetrics and Gynecology, Radiology, and Health Research Methods, Evidence, and Impact (McDonald), McMaster University, Hamilton, Ont.; Women and Babies Program (Barrett), Sunnybrook Health Sciences Centre, Sunnybrook Research Institute, Toronto, Ont.; Department of Pediatrics (Synnes, Shivananda), University of British Columbia, Vancouver, BC; Canadian Premature Babies Foundation (Robson, Foster), Toronto, Ont.; Women and Babies Program (Robson), Sunnybrook Health Sciences Centre, Toronto, Ont.; Department of Obstetrics and Gynecology (Pasquier), Université de Sherbrooke, Sherbrooke, Que.; Department of Obstetrics and Gynaecology (Joseph), University of British Columbia, Vancouver, BC; Department of Pediatrics (Piedboeuf), Université Laval, Québec, Que.; Department of Pediatrics (Lacaze-Masmonteil), Alberta Health Services and Cumming School of Medicine, University of Calgary, Calgary, Alta.; Department of Obstetrics and Gynecology (Chaillet), Université Laval, Québec, Que.; Child Health Evaluative Sciences (Pechlivanoglou), The Hospital for Sick Children, Toronto, Ont
| | - Karel O'Brien
- Affiliations: Department of Paediatrics (Shah, O'Brien), Mount Sinai Hospital; Department of Pediatrics (Shah, O'Brien), University of Toronto, Toronto, Ont.; Departments of Obstetrics and Gynecology, Radiology, and Health Research Methods, Evidence, and Impact (McDonald), McMaster University, Hamilton, Ont.; Women and Babies Program (Barrett), Sunnybrook Health Sciences Centre, Sunnybrook Research Institute, Toronto, Ont.; Department of Pediatrics (Synnes, Shivananda), University of British Columbia, Vancouver, BC; Canadian Premature Babies Foundation (Robson, Foster), Toronto, Ont.; Women and Babies Program (Robson), Sunnybrook Health Sciences Centre, Toronto, Ont.; Department of Obstetrics and Gynecology (Pasquier), Université de Sherbrooke, Sherbrooke, Que.; Department of Obstetrics and Gynaecology (Joseph), University of British Columbia, Vancouver, BC; Department of Pediatrics (Piedboeuf), Université Laval, Québec, Que.; Department of Pediatrics (Lacaze-Masmonteil), Alberta Health Services and Cumming School of Medicine, University of Calgary, Calgary, Alta.; Department of Obstetrics and Gynecology (Chaillet), Université Laval, Québec, Que.; Child Health Evaluative Sciences (Pechlivanoglou), The Hospital for Sick Children, Toronto, Ont
| | - Sandesh Shivananda
- Affiliations: Department of Paediatrics (Shah, O'Brien), Mount Sinai Hospital; Department of Pediatrics (Shah, O'Brien), University of Toronto, Toronto, Ont.; Departments of Obstetrics and Gynecology, Radiology, and Health Research Methods, Evidence, and Impact (McDonald), McMaster University, Hamilton, Ont.; Women and Babies Program (Barrett), Sunnybrook Health Sciences Centre, Sunnybrook Research Institute, Toronto, Ont.; Department of Pediatrics (Synnes, Shivananda), University of British Columbia, Vancouver, BC; Canadian Premature Babies Foundation (Robson, Foster), Toronto, Ont.; Women and Babies Program (Robson), Sunnybrook Health Sciences Centre, Toronto, Ont.; Department of Obstetrics and Gynecology (Pasquier), Université de Sherbrooke, Sherbrooke, Que.; Department of Obstetrics and Gynaecology (Joseph), University of British Columbia, Vancouver, BC; Department of Pediatrics (Piedboeuf), Université Laval, Québec, Que.; Department of Pediatrics (Lacaze-Masmonteil), Alberta Health Services and Cumming School of Medicine, University of Calgary, Calgary, Alta.; Department of Obstetrics and Gynecology (Chaillet), Université Laval, Québec, Que.; Child Health Evaluative Sciences (Pechlivanoglou), The Hospital for Sick Children, Toronto, Ont
| | - Nils Chaillet
- Affiliations: Department of Paediatrics (Shah, O'Brien), Mount Sinai Hospital; Department of Pediatrics (Shah, O'Brien), University of Toronto, Toronto, Ont.; Departments of Obstetrics and Gynecology, Radiology, and Health Research Methods, Evidence, and Impact (McDonald), McMaster University, Hamilton, Ont.; Women and Babies Program (Barrett), Sunnybrook Health Sciences Centre, Sunnybrook Research Institute, Toronto, Ont.; Department of Pediatrics (Synnes, Shivananda), University of British Columbia, Vancouver, BC; Canadian Premature Babies Foundation (Robson, Foster), Toronto, Ont.; Women and Babies Program (Robson), Sunnybrook Health Sciences Centre, Toronto, Ont.; Department of Obstetrics and Gynecology (Pasquier), Université de Sherbrooke, Sherbrooke, Que.; Department of Obstetrics and Gynaecology (Joseph), University of British Columbia, Vancouver, BC; Department of Pediatrics (Piedboeuf), Université Laval, Québec, Que.; Department of Pediatrics (Lacaze-Masmonteil), Alberta Health Services and Cumming School of Medicine, University of Calgary, Calgary, Alta.; Department of Obstetrics and Gynecology (Chaillet), Université Laval, Québec, Que.; Child Health Evaluative Sciences (Pechlivanoglou), The Hospital for Sick Children, Toronto, Ont
| | - Petros Pechlivanoglou
- Affiliations: Department of Paediatrics (Shah, O'Brien), Mount Sinai Hospital; Department of Pediatrics (Shah, O'Brien), University of Toronto, Toronto, Ont.; Departments of Obstetrics and Gynecology, Radiology, and Health Research Methods, Evidence, and Impact (McDonald), McMaster University, Hamilton, Ont.; Women and Babies Program (Barrett), Sunnybrook Health Sciences Centre, Sunnybrook Research Institute, Toronto, Ont.; Department of Pediatrics (Synnes, Shivananda), University of British Columbia, Vancouver, BC; Canadian Premature Babies Foundation (Robson, Foster), Toronto, Ont.; Women and Babies Program (Robson), Sunnybrook Health Sciences Centre, Toronto, Ont.; Department of Obstetrics and Gynecology (Pasquier), Université de Sherbrooke, Sherbrooke, Que.; Department of Obstetrics and Gynaecology (Joseph), University of British Columbia, Vancouver, BC; Department of Pediatrics (Piedboeuf), Université Laval, Québec, Que.; Department of Pediatrics (Lacaze-Masmonteil), Alberta Health Services and Cumming School of Medicine, University of Calgary, Calgary, Alta.; Department of Obstetrics and Gynecology (Chaillet), Université Laval, Québec, Que.; Child Health Evaluative Sciences (Pechlivanoglou), The Hospital for Sick Children, Toronto, Ont
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91
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Patras KA, Nizet V. Group B Streptococcal Maternal Colonization and Neonatal Disease: Molecular Mechanisms and Preventative Approaches. Front Pediatr 2018; 6:27. [PMID: 29520354 PMCID: PMC5827363 DOI: 10.3389/fped.2018.00027] [Citation(s) in RCA: 90] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Group B Streptococcus (GBS) colonizes the gastrointestinal and vaginal epithelium of a significant percentage of healthy women, with potential for ascending intrauterine infection or transmission during parturition, creating a risk of serious disease in the vulnerable newborn. This review highlights new insights on the bacterial virulence determinants, host immune responses, and microbiome interactions that underpin GBS vaginal colonization, the proximal step in newborn infectious disease pathogenesis. From the pathogen perspective, the function GBS adhesins and biofilms, β-hemolysin/cytolysin toxin, immune resistance factors, sialic acid mimicry, and two-component transcriptional regulatory systems are reviewed. From the host standpoint, pathogen recognition, cytokine responses, and the vaginal mucosal and placental immunity to the pathogen are detailed. Finally, the rationale, efficacy, and potential unintended consequences of current universal recommended intrapartum antibiotic prophylaxis are considered, with updates on new developments toward a GBS vaccine or alternative approaches to reducing vaginal colonization.
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Affiliation(s)
- Kathryn A Patras
- Division of Host-Microbe Systems & Therapeutics, Department of Pediatrics, University of California, San Diego, La Jolla, CA, United States
| | - Victor Nizet
- Division of Host-Microbe Systems & Therapeutics, Department of Pediatrics, University of California, San Diego, La Jolla, CA, United States.,Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego, La Jolla, CA, United States
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92
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Murray SR, Stock SJ, Norman JE. Long-term childhood outcomes after interventions for prevention and management of preterm birth. Semin Perinatol 2017; 41:519-527. [PMID: 29191292 DOI: 10.1053/j.semperi.2017.08.011] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Globally, preterm birth rates are rising and have a significant impact on neonatal morbidity and mortality. Preterm birth remains difficult to prevent and a number of strategies for preterm birth prevention (progesterone, cervical pessaries, cervical cerclage, tocolytics, and antibiotics) have been identified. While some of these show more promise, there is a paucity of evidence regarding the long-term effects of these strategies on childhood outcomes. Strategies used to improve the health of babies if born preterm, such as antenatal magnesium sulfate for fetal neuroprotection and antenatal corticosteroids for fetal lung maturation, show evidence of short-term benefit but lack large-scale follow-up data of long-term childhood outcomes. Future research on preterm birth interventions should include long-term follow-up of the children, ideally with similar outcome measures to allow for future meta-analyses.
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Affiliation(s)
- Sarah R Murray
- Tommy's Centre for Maternal and Fetal Health, MRC Centre for Reproductive Health, Queen's Medical Research Institute, University of Edinburgh, Queen's Medical Research Institute, 47 Little France Crescent, Edinburgh EH16 4TJ, UK
| | - Sarah J Stock
- Tommy's Centre for Maternal and Fetal Health, MRC Centre for Reproductive Health, Queen's Medical Research Institute, University of Edinburgh, Queen's Medical Research Institute, 47 Little France Crescent, Edinburgh EH16 4TJ, UK
| | - Jane E Norman
- Tommy's Centre for Maternal and Fetal Health, MRC Centre for Reproductive Health, Queen's Medical Research Institute, University of Edinburgh, Queen's Medical Research Institute, 47 Little France Crescent, Edinburgh EH16 4TJ, UK.
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93
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Childhood outcomes following preterm prelabor rupture of the membranes (PPROM): a population-based record linkage cohort study. J Perinatol 2017; 37:1230-1235. [PMID: 28771221 DOI: 10.1038/jp.2017.123] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2017] [Revised: 06/22/2017] [Accepted: 06/29/2017] [Indexed: 11/08/2022]
Abstract
OBJECTIVE The objective of this study is to determine child health, development and educational outcomes for infants born following preterm prelabor rupture of the membrane (PPROM). STUDY DESIGN Population-based record linkage cohort study using data from NSW, Australia, 2001 to 2014. RESULTS Of 121 822 births at 20 to 37 weeks, 18 799 (15%) followed PPROM, 56 406 (46%) followed spontaneous labor and 46 617 (38%) were planned. Compared with infants of a similar gestational age born following spontaneous labor or planned delivery, exposure to PPROM did not increase the risk of childhood mortality, childhood hospitalization, developmentally vulnerable at school entry, low reading or numeracy scores. Median latency ranged from 12 days (interquartile range 3 to 37 days) at 25 weeks to 1 day (0 to 2 days) at 36 weeks. Longer latency and more advanced gestational age at birth were associated with better outcomes. CONCLUSION Infants born following PPROM are at no greater risk of adverse child health, development and education outcomes than those of similar gestational age born without PPROM.
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94
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Prevention of Early-onset Neonatal Group B Streptococcal Disease: Green-top Guideline No. 36. BJOG 2017; 124:e280-e305. [PMID: 28901693 DOI: 10.1111/1471-0528.14821] [Citation(s) in RCA: 97] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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95
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Kelleher MA, Liu Z, Wang X, Kroenke CD, Houser LA, Dozier BL, Martin LD, Waites KB, McEvoy C, Schelonka RL, Grigsby PL. Beyond the uterine environment: a nonhuman primate model to investigate maternal-fetal and neonatal outcomes following chronic intrauterine infection. Pediatr Res 2017; 82:244-252. [PMID: 28422948 PMCID: PMC5552412 DOI: 10.1038/pr.2017.57] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/03/2016] [Accepted: 02/17/2017] [Indexed: 12/25/2022]
Abstract
BackgroundIntrauterine infection is a significant cause of early preterm birth. We have developed a fetal-neonatal model in the rhesus macaque to determine the impact of chronic intrauterine infection with Ureaplasma parvum on early neonatal reflexes and brain development.MethodsTime-mated, pregnant rhesus macaques were randomized to be inoculated with U. parvum (serovar 1; 105 c.f.u.) or control media at ~120 days' gestational age (dGA). Neonates were delivered by elective hysterotomy at 135-147 dGA (term=167d), stabilized, and cared for in our nonhuman primate neonatal intensive care unit. Neonatal reflex behaviors were assessed from birth, and fetal and postnatal brain magnetic resonance imaging (MRI) was performed.ResultsA total of 13 preterm and 5 term macaque infants were included in the study. Ten preterm infants survived to 6 months of age. U. parvum-infected preterm neonates required more intensive respiratory support than did control infants. MRI studies suggested a potential perturbation of brain growth and white matter maturation with exposure to intra-amniotic infection.ConclusionWe have demonstrated the feasibility of longitudinal fetal-neonatal studies in the preterm rhesus macaque after chronic intrauterine infection. Future studies will examine long-term neurobehavioral outcomes, cognitive development, neuropathology, and in vivo brain imaging to determine the safety of antenatal antibiotic treatment for intrauterine infection.
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Affiliation(s)
- Meredith A. Kelleher
- Division of Reproductive & Developmental Sciences, Oregon National Primate Research Center, Beaverton, OR,Corresponding Author: Meredith A. Kelleher, PhD, Division of Reproductive & Developmental Sciences. Oregon National Primate Research Center. 505 NW 185th Ave, Beaverton, OR 97006 USA. pH: 503-629-4011; Fax: 503-690-5563;
| | - Zheng Liu
- Advanced Imaging Center, Oregon National Primate Research Center, Oregon Health & Science University, Portland, OR
| | - Xiaojie Wang
- Advanced Imaging Center, Oregon National Primate Research Center, Oregon Health & Science University, Portland, OR
| | - Christopher D. Kroenke
- Advanced Imaging Center, Oregon National Primate Research Center, Oregon Health & Science University, Portland, OR
| | - Lisa A. Houser
- Division of Comparative Medicine, Oregon National Primate Research Center, Beaverton, OR
| | - Brandy L. Dozier
- Division of Comparative Medicine, Oregon National Primate Research Center, Beaverton, OR
| | - Lauren D. Martin
- Division of Comparative Medicine, Oregon National Primate Research Center, Beaverton, OR
| | - Ken B. Waites
- Department of Pathology, University of Alabama at Birmingham School of Medicine, Birmingham, AL
| | - Cindy McEvoy
- Department of Pediatrics, Division of Neonatology, Oregon Health & Science University, Portland, OR
| | - Robert L. Schelonka
- Department of Pediatrics, Division of Neonatology, Oregon Health & Science University, Portland, OR
| | - Peta L. Grigsby
- Division of Reproductive & Developmental Sciences, Oregon National Primate Research Center, Beaverton, OR,Department of Obstetrics & Gynecology, Oregon Health & Science University, Portland, OR
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96
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Seedat F, Stinton C, Patterson J, Geppert J, Tan B, Robinson ER, McCarthy ND, Uthman OA, Freeman K, Johnson SA, Fraser H, Brown CS, Clarke A, Taylor-Phillips S. Adverse events in women and children who have received intrapartum antibiotic prophylaxis treatment: a systematic review. BMC Pregnancy Childbirth 2017; 17:247. [PMID: 28747160 PMCID: PMC5530570 DOI: 10.1186/s12884-017-1432-3] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2017] [Accepted: 07/18/2017] [Indexed: 12/31/2022] Open
Abstract
Background Adverse events from intrapartum antibiotic prophylaxis (IAP) are poorly documented yet essential to inform clinical practice for neonatal group B Streptococcus (GBS) disease prevention. In this systematic review, we appraised and synthesised the evidence on the adverse events of IAP in the mother and/or her child. Methods We searched MEDLINE, MEDLINE In-Process & Other Non-Indexed Citations, EMBASE, Cochrane, and Science Citation Index from date of inception until October 16th 2016. Reference lists of included studies and relevant systematic reviews were hand-searched. We included primary studies in English that reported any adverse events from intrapartum antibiotics for any prophylactic purpose compared to controls. The search was not restricted to prophylaxis for GBS but excluded women with symptoms of infection or undergoing caesarean section. Two reviewers assessed the methodological quality of studies, using the Cochrane Risk of Bias tool, and the Risk of Bias Assessment Tool for Nonrandomised Studies. Results were synthesised narratively and displayed in text and tables. Results From 2364 unique records, 30 studies were included. Despite a wide range of adverse events reported in 17 observational studies and 13 randomised controlled trials (RCTs), the evidence was inconsistent and at high risk of bias. Only one RCT investigated the long-term effects of IAP reporting potentially serious outcomes such as cerebral palsy; however, it had limited applicability and unclear biological plausibility. Seven observational studies showed that IAP for maternal GBS colonisation alters the infant microbiome. However, study populations were not followed through to clinical outcomes, therefore clinical significance is unknown. There was also observational evidence for increased antimicrobial resistance, however studies were at high or unclear risk of bias. Conclusions The evidence base to determine the frequency of adverse events from intrapartum antibiotic prophylaxis for neonatal GBS disease prevention is limited. As RCTs may not be possible, large, better quality, and longitudinal observational studies across countries with widespread IAP could fill this gap. Trial registration CRD42016037195. Electronic supplementary material The online version of this article (doi:10.1186/s12884-017-1432-3) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Farah Seedat
- Division of Health Sciences, University of Warwick Medical School, Gibbet Hill Campus, Coventry, CV4 7AL, UK
| | - Chris Stinton
- Division of Health Sciences, University of Warwick Medical School, Gibbet Hill Campus, Coventry, CV4 7AL, UK
| | - Jacoby Patterson
- Division of Health Sciences, University of Warwick Medical School, Gibbet Hill Campus, Coventry, CV4 7AL, UK
| | - Julia Geppert
- Division of Health Sciences, University of Warwick Medical School, Gibbet Hill Campus, Coventry, CV4 7AL, UK
| | - Bee Tan
- Division of Health Sciences, University of Warwick Medical School, Gibbet Hill Campus, Coventry, CV4 7AL, UK.,Department of Obstetrics and Gynaecology, Birmingham Heartlands Hospital, Heart of England NHS Foundation Trust, Birmingham, B9 5SS, UK
| | - Esther R Robinson
- Birmingham Public Health Laboratory (PHE), Heartlands Hospital, Birmingham, B9 5SS, UK
| | - Noel Denis McCarthy
- Division of Health Sciences, University of Warwick Medical School, Gibbet Hill Campus, Coventry, CV4 7AL, UK
| | - Olalekan A Uthman
- Division of Health Sciences, University of Warwick Medical School, Gibbet Hill Campus, Coventry, CV4 7AL, UK
| | - Karoline Freeman
- Division of Health Sciences, University of Warwick Medical School, Gibbet Hill Campus, Coventry, CV4 7AL, UK
| | - Samantha Ann Johnson
- Division of Health Sciences, University of Warwick Medical School, Gibbet Hill Campus, Coventry, CV4 7AL, UK
| | - Hannah Fraser
- Division of Health Sciences, University of Warwick Medical School, Gibbet Hill Campus, Coventry, CV4 7AL, UK
| | - Colin Stewart Brown
- Bacteria Reference Department, National Infection Service, Public Health England, 61 Colindale Ave, London, NW95EQ, UK
| | - Aileen Clarke
- Division of Health Sciences, University of Warwick Medical School, Gibbet Hill Campus, Coventry, CV4 7AL, UK
| | - Sian Taylor-Phillips
- Division of Health Sciences, University of Warwick Medical School, Gibbet Hill Campus, Coventry, CV4 7AL, UK.
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Wagner P, Sonek J, Abele H, Sarah L, Hoopmann M, Brucker S, Wu Q, Kagan KO. Effectiveness of the contemporary treatment of preterm labor: a comparison with a historical cohort. Arch Gynecol Obstet 2017; 296:27-34. [PMID: 28484835 DOI: 10.1007/s00404-017-4389-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2017] [Accepted: 04/26/2017] [Indexed: 11/30/2022]
Abstract
OBJECTIVE To compare the effectiveness of contemporary treatment of preterm labor to a historical cohort. STUDY DESIGN Retrospective matched case-control study to compare the outcomes of patients that were treated for preterm labor at the University Hospital of Tuebingen, Germany in 2014/2015 (current treatment cohort) and 2006/2007 (historical cohort). The study included women with singleton gestations who were admitted with the diagnosis of preterm labor between 24 + 0 and 34 + 0 weeks' gestation and a cervical length of ≤15 mm. Women in the historical cohort were hospitalized until either 34 weeks' gestation or until complete cessation of uterine contractions. They were treated with intravenous beta-mimetics continuously, received antibiotics based on the vaginal culture and corticosteroids regardless of cervical length measurement. Bed rest was always recommended. The current treatment cohort was tocolyzed with an oral calcium channel blocker for approximately 3 days followed by vaginal progesterone until 34 weeks' gestation. Corticosteroids were given only if the cervical length is ≤15 mm. Bed rest was not recommended. RESULTS The study population consisted of 110 pregnancies, 55 in the historical cohort and 55 in the current treatment cohort. At the time of admission, mean gestational age in both groups was 29.3 and 29.7 weeks. In the historical and current treatment cohort the length of the hospitalization was 24.0 and 5.5 days and tocolysis was given for 19.5 and 3.4 days, respectively. In the historical cohort, mean gestational age at delivery was 35.6 weeks. In 63.6% cases delivery occurred prior to 37 weeks. In the current treatment group mean gestational age at the delivery was 37.0 weeks and 36.4% were delivered prior to 37 weeks. CONCLUSION Short-term hospitalization and tocolysis followed by vaginal progesterone for maintenance tocolysis is more effective than a protocol which includes long-term hospital stay, beta-mimetics, antibiotics, and bed rest.
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Affiliation(s)
- Philipp Wagner
- Department of Obstetrics and Gynaecology, University of Tuebingen, Calwerstrasse 7, 72076, Tuebingen, Germany
| | - Jiri Sonek
- Fetal Medicine Foundation USA, Dayton, OH, USA.,Division of Maternal Fetal Medicine, Wright State University, Dayton, OH, USA
| | - Harald Abele
- Department of Obstetrics and Gynaecology, University of Tuebingen, Calwerstrasse 7, 72076, Tuebingen, Germany
| | - Loefler Sarah
- Department of Obstetrics and Gynaecology, University of Tuebingen, Calwerstrasse 7, 72076, Tuebingen, Germany
| | - Markus Hoopmann
- Department of Obstetrics and Gynaecology, University of Tuebingen, Calwerstrasse 7, 72076, Tuebingen, Germany
| | - Sara Brucker
- Department of Obstetrics and Gynaecology, University of Tuebingen, Calwerstrasse 7, 72076, Tuebingen, Germany
| | - Qinging Wu
- Department of Ultrasound, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, China
| | - Karl Oliver Kagan
- Department of Obstetrics and Gynaecology, University of Tuebingen, Calwerstrasse 7, 72076, Tuebingen, Germany.
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98
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Dakin H, Gray A. Economic evaluation of factorial randomised controlled trials: challenges, methods and recommendations. Stat Med 2017; 36:2814-2830. [PMID: 28470760 PMCID: PMC5599939 DOI: 10.1002/sim.7322] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2016] [Accepted: 04/04/2017] [Indexed: 12/03/2022]
Abstract
Increasing numbers of economic evaluations are conducted alongside randomised controlled trials. Such studies include factorial trials, which randomise patients to different levels of two or more factors and can therefore evaluate the effect of multiple treatments alone and in combination. Factorial trials can provide increased statistical power or assess interactions between treatments, but raise additional challenges for trial‐based economic evaluations: interactions may occur more commonly for costs and quality‐adjusted life‐years (QALYs) than for clinical endpoints; economic endpoints raise challenges for transformation and regression analysis; and both factors must be considered simultaneously to assess which treatment combination represents best value for money. This article aims to examine issues associated with factorial trials that include assessment of costs and/or cost‐effectiveness, describe the methods that can be used to analyse such studies and make recommendations for health economists, statisticians and trialists. A hypothetical worked example is used to illustrate the challenges and demonstrate ways in which economic evaluations of factorial trials may be conducted, and how these methods affect the results and conclusions. Ignoring interactions introduces bias that could result in adopting a treatment that does not make best use of healthcare resources, while considering all interactions avoids bias but reduces statistical power. We also introduce the concept of the opportunity cost of ignoring interactions as a measure of the bias introduced by not taking account of all interactions. We conclude by offering recommendations for planning, analysing and reporting economic evaluations based on factorial trials, taking increased analysis costs into account. © 2017 The Authors. Statistics in Medicine published by John Wiley & Sons Ltd.
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Affiliation(s)
- Helen Dakin
- Nuffield Department of Population Health, University of Oxford, U.K
| | - Alastair Gray
- Nuffield Department of Population Health, University of Oxford, U.K
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99
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Li S, Huang J, Chen Z, Guo D, Yao Z, Ye X. Antibiotic Prevention for Maternal Group B Streptococcal Colonization on Neonatal GBS-Related Adverse Outcomes: A Meta-Analysis. Front Microbiol 2017; 8:374. [PMID: 28367139 PMCID: PMC5355432 DOI: 10.3389/fmicb.2017.00374] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2016] [Accepted: 02/23/2017] [Indexed: 12/12/2022] Open
Abstract
Maternal colonization with group B Streptococcus (GBS) during pregnancy increases the risk of neonatal infection by vertical transmission. However, it remains unclear whether treating all colonized women during labor exposes a large number of their neonates to possible adverse effects without benefit. We performed a meta-analysis to assess the effect of intrapartum antibiotic prophylaxis on neonatal adverse outcomes. We identified studies by searching several English and Chinese electronic databases and reviewing relevant articles. Data were pooled using fixed-effects or random-effects meta-analysis, and for each outcome both risk ratio (RR) and 95% confidence intervals (95% CIs) were calculated. Fourteen studies (2,051 pregnant women and 2,063 neonates) were included, comprising 13 randomized clinical trials and 1 cohort study. Antibiotic prophylaxis is associated with a significant reduced risk of all cause infections (RR = 0.28, 95% CI = 0.18–0.42), GBS infection (RR = 0.24, 95% CI = 0.13–0.44), early-onset GBS infection (RR = 0.24, 95% CI = 0.13–0.45), non-GBS infections (RR = 0.34, 95% CI = 0.20–0.59), and GBS colonization (RR = 0.10, 95% CI = 0.06–0.16). But no significant reduction was observed in late-onset GBS infection, mortality from early-onset GBS infection or from non-GBS infections. Notably, no significant differences were found between ampicillin and penicillin prevention for neonatal adverse outcomes. Our findings suggest that antibiotic prophylaxis is effective in reducing neonatal GBS colonization and infection.
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Affiliation(s)
- Shunming Li
- School of Public Health, Guangdong Pharmaceutical University Guangzhou, China
| | - Jingya Huang
- School of Public Health, Guangdong Pharmaceutical University Guangzhou, China
| | - Zhiyao Chen
- School of Public Health, Guangdong Pharmaceutical University Guangzhou, China
| | - Dan Guo
- School of Public Health, Guangdong Pharmaceutical University Guangzhou, China
| | - Zhenjiang Yao
- School of Public Health, Guangdong Pharmaceutical University Guangzhou, China
| | - Xiaohua Ye
- School of Public Health, Guangdong Pharmaceutical University Guangzhou, China
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Marlow N, Bower H, Jones D, Brocklehurst P, Kenyon S, Pike K, Taylor D, Salt A. The ORACLE Children Study: educational outcomes at 11 years of age following antenatal prescription of erythromycin or co-amoxiclav. Arch Dis Child Fetal Neonatal Ed 2017; 102:F131-F135. [PMID: 27515985 PMCID: PMC5339554 DOI: 10.1136/archdischild-2015-310144] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/12/2015] [Revised: 06/21/2016] [Accepted: 06/26/2016] [Indexed: 11/05/2022]
Abstract
BACKGROUND Antibiotics used for women in spontaneous preterm labour without overt infection, in contrast to those with preterm rupture of membranes, are associated with altered functional outcomes in their children. METHODS From the National Pupil Database, we used Key Stage 2 scores, national test scores in school year 6 at 11 years of age, to explore the hypothesis that erythromycin and co-amoxiclav were associated with poorer educational outcomes within the ORACLE Children Study. RESULTS Anonymised scores for 97% of surviving children born to mothers recruited to ORACLE and resident in England were analysed against treatment group adjusting for key available socio-demographic potential confounders. No association with crude or with adjusted scores for English, mathematics or science was observed by maternal antibiotic group in either women with preterm rupture of membranes or spontaneous preterm labour with intact membranes. While the proportion receiving special educational needs was similar in each group (range 31.6-34.4%), it was higher than the national rate of 19%. CONCLUSIONS Despite evidence that antibiotics are associated with increased functional impairment at 7 years, educational test scores and special needs at 11 years of age show no differences between trial groups. TRIAL REGISTRATION NUMBER ISCRT Number 52995660 (original ORACLE trial number).
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Affiliation(s)
- Neil Marlow
- Institute for Women's Health, University College London, London, UK
| | - Hannah Bower
- Health Sciences Department, University of Leicester, Leicester, UK
| | - David Jones
- Health Sciences Department, University of Leicester, Leicester, UK
| | | | - Sara Kenyon
- Institute of Applied Health Research, University of Birmingham, Edgbaston, UK
| | - Katie Pike
- Clinical Trials and Evaluation Unit, School of Clinical Sciences, University of Bristol, Bristol, UK
| | - David Taylor
- Maternal and Newborn Health Initiative, International Federation of Gynaecology and Obstetrics, London, UK
| | - Alison Salt
- Great Ormond Street Hospital for Children and Institute of Child Health, University College London, London, UK
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