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1.
Am J Perinatol ; 38(1): 28-36, 2021 01.
Article in English | MEDLINE | ID: mdl-31421639

ABSTRACT

OBJECTIVE: Our objective was to compare fetal growth and incidence of neonatal abstinence syndrome requiring treatment across pregnant women with opioid use disorders on two types and two dose categories of medication-assisted treatment. STUDY DESIGN: A retrospective cohort study was conducted in a comprehensive, perinatal program in western North Carolina comparing growth percentiles on third-trimester ultrasound and at birth, and diagnosis of neonatal abstinence syndrome requiring treatment. Singletons were exposed in utero to low- to moderate-dose buprenorphine (≤16 mg/day; n = 70), high-dose buprenorphine (≥17 mg/day; n = 36), low- to moderate-dose methadone (≤89 mg/day; n = 41), or high-dose methadone (≥90 mg/day; n = 74). Multivariate analysis of variance with posthoc Bonferroni comparisons (p ≤ 0.01) and multinomial logistic regressions (adjusted odds ratio, 99% confidence interval) were conducted. RESULTS: Differences in neonatal outcomes reached statistical significance for larger head circumference for buprenorphine doses (p = 0.01) and for longer length (p < 0.01) and lower odds of neonatal abstinence syndrome requiring treatment (p < 0.01) with low- to moderate-dose buprenorphine versus high-dose methadone. CONCLUSION: Among pregnant women using medication-assisted treatment for opioid use disorders, low- to moderate-dose buprenorphine (≤16 mg/day) was associated with the most favorable neonatal outcomes. However, more rigorous control of confounders with a larger sample is necessary to determine if low- to moderate-dose buprenorphine is the better treatment choice.


Subject(s)
Analgesics, Opioid/administration & dosage , Buprenorphine/administration & dosage , Fetal Development/drug effects , Methadone/administration & dosage , Neonatal Abstinence Syndrome/epidemiology , Opioid-Related Disorders/drug therapy , Pregnancy Complications/drug therapy , Adult , Female , Head/anatomy & histology , Humans , Incidence , Infant, Newborn , Logistic Models , Male , North Carolina , Opiate Substitution Treatment , Pregnancy , Retrospective Studies
2.
Int Urogynecol J ; 28(6): 941-945, 2017 Jun.
Article in English | MEDLINE | ID: mdl-27826639

ABSTRACT

INTRODUCTION AND HYPOTHESIS: Obstetric fistulas are injuries to the genital tract in women without emergency obstetric services. Parity may predict the characteristics of fistulas that affect closure success and residual incontinence. Circumferential fistulas may predispose patients to postoperative incontinence. We hypothesized that primiparous women have more distal fistulas than multiparous women, leading to more scarring and circumferential fistulas. METHODS: A retrospective observational study was conducted on 1,856 women with obstetric fistula evaluated at three sites by three providers. Fistulas were classified using the Goh classification system. Women aged 10 to 55 years were classified as primiparas or multiparas. Analysis by parity of fistula type and size, degree of scarring, and presence of circumferential defect used the Chi squared or Fisher's exact test, and binary logistic regression. RESULTS: Of the 1,841 (99.2 %) women included, 878 (47.7 %) were primiparas and 963 (52.3 %) were multiparas. Primiparas were more likely to have distal fistulas, type 4 being most common (31.5 %), whereas multiparas were more likely to have proximal fistulas, most commonly type 1 (48.1 %). Primiparas were more likely to have moderate to severe scarring (11.7 % vs 5.6 %; p < 0.001), and category III (57.1 % vs 39.2 %; p < 0.001), but not to develop circumferential fistulas (5.6 % vs 4.0 %; p = 0.127), be present for repeat surgery (7.1 % vs 7.6 %; p = 0.721), or have ureteric involvement (1.5 % vs 2.2 %; p = 0.301). Multivariate analyses confirmed increased risk with primiparity for distal fistula and scarring. CONCLUSIONS: As hypothesized, primiparas were more likely to have distal fistulas and more scarring, but were not more likely to have circumferential fistulas. Surgeons should plan accordingly.


Subject(s)
Fistula/classification , Genital Diseases, Female/classification , Obstetric Labor Complications/classification , Parity , Urinary Incontinence/etiology , Adult , Cicatrix/etiology , Female , Fistula/etiology , Genital Diseases, Female/etiology , Humans , Logistic Models , Obstetric Labor Complications/etiology , Pregnancy , Retrospective Studies , Risk Factors , Young Adult
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