Should phenotype of previous preterm birth influence management of women with short cervix in subsequent pregnancy? Comparison of vaginal progesterone and Arabin pessary.
Por:
Care A, Muller-Myhsok B, Olearo E, Todros T, Caradeux J, Goya M, Palacio-Navarro A, Carreras E and Alfirevic Z
Publicada:
1 abr 2019
Ahead of Print:
19 jun 2018
Resumen:
OBJECTIVE: To investigate whether the classification of a previous spontaneous preterm birth (sPTB) as preterm labor (PTL) with intact membranes (IM) or as preterm prelabor rupture of membranes (PPROM) impacts the efficacy of cervical pessary or vaginal progesterone for prevention of sPTB in pregnant women with short cervix on transvaginal ultrasound. METHODS: This was a retrospective cohort study of asymptomatic high-risk singleton pregnancies with a short cervix and history of sPTB, treated using Arabin pessary or vaginal progesterone for primary PTB prevention, conducted at four European hospitals. A log-rank test on Kaplan-Meier curves was used to assess the difference in performance of pessary and progesterone, according to history of PTL-IM or PPROM. Linear regression analysis was used to evaluate significant predictors of gestational age at delivery. RESULTS: Between 2008 and 2015, 170 women were treated with a pessary and 88 with vaginal progesterone. In women treated with a pessary, rate of sPTB < 34 weeks was 16% in those with a history of PTL-IM and 55% in those with a history of PPROM. In women treated with progesterone, rate of sPTB < 34 weeks was 13% in those with a history of PTL-IM and 21% in those with a history of PPROM. Treatment with a pessary resulted in earlier delivery in women with previous PPROM than in any other subgroup (P < 0.0001). Linear regression analysis showed a clear effect of PPROM history (P < 0.0001), combination of PPROM history and treatment (P = 0.0003) and cervical length (P = 0.0004) on gestational age at birth. CONCLUSIONS: Cervical pessary may be a less efficacious treatment option for women with previous PPROM; however, these results require prospective validation before change in practice is recommended. Phenotype of previous preterm birth may be an important risk predictor and treatment effect modifier; this information should be reported in future clinical trials. © 2018 The Authors. Ultrasound in Obstetrics & Gynecology published by John Wiley & Sons Ltd on behalf of the International Society of Ultrasound in Obstetrics and Gynecology.
Filiaciones:
Care A:
Harris Wellbeing Preterm Birth Centre, Department of Women and Children's Health Research, Liverpool Women's Hospital, Crown Street, Liverpool, L8 7SS, UK
Muller-Myhsok B:
Waterhouse Building, University of Liverpool, Brownlow Hill, Liverpool, L69, UK
Max Plank Institute of Psychiatry, Krapelinstr. 2-10, 80804, Munich, Germany
Olearo E:
Obstetrics and Gynecology Unit 2, Department of Surgical Sciences, University of Turin, Turin, Italy
Todros T:
Obstetrics and Gynecology Unit 2, Department of Surgical Sciences, University of Turin, Turin, Italy
Caradeux J:
Fetal i+D Fetal Medicine Research Center, BCNatal - Barcelona Center for Maternal-Fetal and Neonatal Medicine (Hospital Clínic and Hospital Sant Joan de Déu), IDIBAPS, University of Barcelona, Barcelona
Fetal Medicine Unit, Clínica Dávila, Santiago, Chile
Goya M:
Maternal Fetal Medicine Unit. Department of Obstetrics. Hospital Universitari Vall d'Hebron, Universitat Autonoma de Barcelona, Barcelona, Spain
Palacio-Navarro A:
Fetal i+D Fetal Medicine Research Center, BCNatal - Barcelona Center for Maternal-Fetal and Neonatal Medicine (Hospital Clínic and Hospital Sant Joan de Déu), IDIBAPS, University of Barcelona, Barcelona
Center for Biomedical Research on Rare Diseases (CIBER-ER), Barcelona, Spain
Carreras E:
Maternal Fetal Medicine Unit. Department of Obstetrics. Hospital Universitari Vall d'Hebron, Universitat Autonoma de Barcelona, Barcelona, Spain
Alfirevic Z:
Harris Wellbeing Preterm Birth Centre, Department of Women and Children's Health Research, Liverpool Women's Hospital, Crown Street, Liverpool, L8 7SS, UK
Open Access
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