Clinical and diagnostic significance of risk factors for histopathologically confirmed uterine rupture after Сesarean section
- Authors: Bezhenar V.F.1, Romanova M.L.1, Nesterov I.M.1, Gabelova K.A.1, Meznikov A.А.1, Belyakova L.A.1, Rukoyatkina E.A.2
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Affiliations:
- I.P. Pavlov First St. Petersburg State Medical University
- Maternity Hospital No. 16
- Issue: Vol 12, No 1 (2025)
- Pages: 92-105
- Section: Original study articles
- URL: https://journals.rcsi.science/2313-8726/article/view/310012
- DOI: https://doi.org/10.17816/aog637211
- ID: 310012
Cite item
Abstract
BACKGROUND: Attempts to predict the outcomes of vaginal delivery in women with a uterine scar after cesarean section using highly informative predictors and prognostic models remain highly relevant.
AIM: To demonstrate the significance of antenatal risk assessment for histopathologically confirmed uterine rupture using a scoring system in women with a uterine scar after cesarean section.
MATERIALS AND METHODS: A retrospective multicenter comparative study was conducted on pregnancy and delivery records of 288 patients with a uterine scar after cesarean section. Antenatal risk assessment for histopathologically confirmed uterine rupture was performed using a clinical scoring system (≥5 points=high risk; <5 points=low risk). Group 1 included 135 patients (≥5 points) who underwent elective cesarean delivery; group 2 included 57 patients (<5 points) who underwent elective cesarean section due to obstetric indications; group 3 included 66 patients (<5 points) who delivered vaginally. Group 4 (n=27) was formed to assess the probability of histopathologically confirmed uterine rupture and included cases of scar rupture after cesarean section. The predictive quality of the scoring system was evaluated using ROC analysis, and the significance of each criterion was assessed in relation to uterine rupture. Histopathological examination of the myometrium from the lower uterine segment was performed.
RESULTS: No significant differences in perinatal outcomes were observed among groups 1, 2, and 3. Factors significantly associated with uterine rupture (p <0.0001) included emergency cesarean section, anemia during pregnancy and the postoperative period, pathological blood loss (>1000 mL), and two or more previous cesarean sections. ROC analysis demonstrated a sensitivity of 77.8%, specificity of 95.5%, and accuracy of 83.7%, indicating an excellent predictive quality of the scoring system. The optimal cutoff point was determined to be 6.5.
CONCLUSION: The scoring system accurately predicts histopathologically confirmed uterine rupture, as validated by histopathological examination. A high risk of histopathologically confirmed uterine rupture along the scar following cesarean section is associated with a score of 6 or higher.
Full Text
##article.viewOnOriginalSite##About the authors
Vitaly F. Bezhenar
I.P. Pavlov First St. Petersburg State Medical University
Email: bez-vitaly@yandex.ru
ORCID iD: 0000-0002-7807-4929
SPIN-code: 8626-7555
MD, Dr. Sci. (Medicine), Professor
Russian Federation, 6-8 Lva Tolstogo st, St. Petersburg, 197022Maria L. Romanova
I.P. Pavlov First St. Petersburg State Medical University
Author for correspondence.
Email: mariaro@mail.ru
ORCID iD: 0000-0002-4378-6424
SPIN-code: 3403-7620
MD, Cand. Sci. (Medicine), Assistant Professor
Russian Federation, 6-8 Lva Tolstogo st, St. Petersburg, 197022Igor M. Nesterov
I.P. Pavlov First St. Petersburg State Medical University
Email: ignester@yandex.ru
ORCID iD: 0000-0002-7558-7657
SPIN-code: 4158-6201
MD, Cand. Sci. (Medicine), Assistant Professor
Russian Federation, 6-8 Lva Tolstogo st, St. Petersburg, 197022Karina A. Gabelova
I.P. Pavlov First St. Petersburg State Medical University
Email: kgabelova@mail.ru
ORCID iD: 0000-0003-1282-4544
SPIN-code: 5577-2848
MD, Cand. Sci. (Medicine), Assistant Professor
Russian Federation, 6-8 Lva Tolstogo st, St. Petersburg, 197022Alexander А. Meznikov
I.P. Pavlov First St. Petersburg State Medical University
Email: alexm2103@mail.ru
ORCID iD: 0000-0002-6480-6375
Assistant Lecturer
Russian Federation, 6-8 Lva Tolstogo st, St. Petersburg, 197022Ludmila A. Belyakova
I.P. Pavlov First St. Petersburg State Medical University
Email: belmil@list.ru
ORCID iD: 0000-0003-2457-1169
SPIN-code: 7424-5760
Cand. Sci. (Engineering), Senior Research Associate
Russian Federation, 6-8 Lva Tolstogo st, St. Petersburg, 197022Elena A. Rukoyatkina
Maternity Hospital No. 16
Email: e.a.ryk@mail.ru
ORCID iD: 0000-0001-5634-8303
SPIN-code: 8680-2150
MD, Cand. Sci. (Medicine)
Russian Federation, Saint PetersburgReferences
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