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1.
J Racial Ethn Health Disparities ; 2(2): 149-57, 2015 Jun.
Article in English | MEDLINE | ID: mdl-26863333

ABSTRACT

OBJECTIVE: The aim of this study is to compare labor outcomes across race/ethnicity in women undergoing prostaglandin labor induction. METHODS: Secondary analysis of misoprostol vaginal insert (MVI) trial, a double-blind, randomized, control trial of 1,308 patients comparing sustained release vaginal inserts containing dinoprostone 10 mg and misoprostol 50 mcg (MVI 50) or 100 mcg (MVI 100). RESULTS: Achievement of active labor and induction failures were similar across race/ethnicity. Cesareans were performed less frequently in whites (29 %) and Hispanics (24.5 %) compared to blacks (32.7 %) (adjusted odds ratio (aOR) 0.87, 95 % confidence interval (CI) 0.47-0.97, p = 0.03 and aOR 0.86, 95 % CI 0.44-0.97, p = 0.03, respectively). When compared to blacks, whites were less likely to undergo cesarean for non-reassuring fetal heart rate tracing (aOR 0.41, 95 % CI 0.25-0.66, p = 0.0003), as were Hispanics (aOR 0.38, 95 % CI 0.22-0.65, p = 0.0004). Postpartum hemorrhage occurred more frequently in Hispanics (8.8 %) versus blacks (4.1 %) and whites (OR 2.27, 95 % CI 0.23-0.82, p = 0.02 and OR 3.69, 95 % CI 0.14-0.51, p < 0.0001, respectively). Birth weights of black infants were lower than whites (p < 0.0001) and Hispanics (p = 0.0003). Neonatal outcomes did not differ between groups. CONCLUSION: Differences in labor induction outcomes with prostaglandin labor induction exist based on race/ethnicity. Blacks delivered smaller babies, were more likely to undergo cesarean, and have cesareans performed for non-reassuring fetal heart tracing compared to other groups. Hispanics were more likely to experience postpartum hemorrhage compared to the other races.


Subject(s)
Black People/statistics & numerical data , Health Status Disparities , Hispanic or Latino/statistics & numerical data , Labor, Induced/methods , Pregnancy Outcome/ethnology , Prostaglandins/administration & dosage , White People/statistics & numerical data , Administration, Intravaginal , Adult , Cesarean Section/statistics & numerical data , Dinoprostone/administration & dosage , Double-Blind Method , Female , Humans , Misoprostol/administration & dosage , Obstetric Labor Complications/ethnology , Pregnancy , Young Adult
2.
J Matern Fetal Neonatal Med ; 24(7): 894-9, 2011 Jul.
Article in English | MEDLINE | ID: mdl-21635180

ABSTRACT

OBJECTIVE: To explore women's attitudes and beliefs regarding cesarean delivery and cesarean delivery on maternal request (CDMR). STUDY DESIGN: Anonymous questionnaires assessing patient demographics, knowledge, and attitudes about CDMR were distributed at the time of routine mid-trimester ultrasound appointment. RESULTS: Eight hundred thirty three out of 3929 (21.2%) potential participants completed the questionnaire. About 81.7% of participants indicated that they believed that vaginal delivery was a safer alternative for the mother and 72.8% believed that it was safer for the fetus. While only 6.1% of women thought that CDMR was 'a good idea', most believed that women should have the right to choose their mode of delivery and that the option should be offered to everyone (85.9% and 79.6%, respectively). Socioeconomic and demographic variables did not significantly influence the participants' responses. CONCLUSION: Majority of women believe that vaginal delivery is safer for the mother and baby and would prefer to have a vaginal delivery if given the option.


Subject(s)
Cesarean Section/psychology , Health Knowledge, Attitudes, Practice , Adult , Female , Humans , Parturition/psychology , Socioeconomic Factors
3.
Eur J Obstet Gynecol Reprod Biol ; 156(2): 144-8, 2011 Jun.
Article in English | MEDLINE | ID: mdl-21353372

ABSTRACT

OBJECTIVE: To characterize the incidence and timing of cardiotocographic (CTG) abnormalities associated with misoprostol and dinoprostone vaginal inserts during labor induction. STUDY DESIGN: This was a secondary analysis of data collected during the misoprostol vaginal insert (MVI) trial, a multi-site, double-masked, randomized trial of women requiring cervical ripening before induction of labor. The timing, incidence and clinical outcomes associated with CTG abnormalities were analyzed among three study groups. RESULTS: 1308 subjects were randomized to receive dinoprostone pessary, misoprostol 50 mcg (MVI 50) or 100 mcg (MVI 100) vaginal insert. 6.8% of MVI 50-treated women had a uterine contractile abnormality (hyperstimulation, hypertonus and/or tachysystole) while the study drug was in situ, compared to 17.4% with dinoprostone insert (p<0.001) and 17.3% with MVI 100 (p<0.001). There was no significant difference in incidence of fetal heart rate (FHR) abnormalities that occurred with the study drug-11.2% with dinoprostone, compared to 9.9% with MVI 50 and 10.7% with MVI 100. Cardiotocographic (CTG) abnormalities while the study drug was in situ occurred later in women treated with MVI 50 (7.5h [6.2-9.8]) compared to dinoprostone (5.5h [4.2-6.6], p=0.003) and MVI 100 (7.0 h [5.7-7.9], p=0.13). Eight participants in MVI 50 group underwent cesarean section secondary to a CTG event that was initially noted with the study drug in situ, compared to eight dinoprostone-treated participants and 16 in the MVI 100 group, but these differences were not statistically significant. CONCLUSION: Cardiotocographic abnormalities were less frequent and occurred after longer exposure with MVI 50 than MVI 100 or dinoprostone. Clinical outcomes were similar among the groups.


Subject(s)
Cardiotocography/drug effects , Dinoprostone/adverse effects , Heart Rate, Fetal/drug effects , Misoprostol/adverse effects , Oxytocics/adverse effects , Administration, Intravaginal , Adult , Cervical Ripening/drug effects , Dinoprostone/administration & dosage , Female , Humans , Labor, Induced/adverse effects , Misoprostol/administration & dosage , Oxytocics/administration & dosage , Pregnancy , Young Adult
4.
Obstet Gynecol ; 117(4): 877-882, 2011 Apr.
Article in English | MEDLINE | ID: mdl-21422859

ABSTRACT

OBJECTIVE: To estimate the adequacy of antimicrobial activity of preoperative antibiotics at the time of cesarean delivery as a function of maternal obesity. METHODS: Twenty-nine patients scheduled for cesarean delivery were stratified according to body mass index (BMI) category, with 10 study participants classified as lean (BMI less than 30), 10 as obese (BMI 30-39.9), and nine as extremely obese (BMI 40 or higher). All patients were given a dose of 2 g cefazolin 30-60 minutes before skin incision. Antibiotic concentrations from adipose samples, collected after skin incision and before skin closure, along with myometrial and serum samples, were analyzed with microbiological agar diffusion assay. RESULTS: Cefazolin concentrations within adipose tissue obtained at skin incision were inversely proportional to maternal BMI (r=-0.67, P<.001). The mean adipose concentration was 9.4 plus or minus 2.7 micrograms/g in the lean group of women compared with 6.4 plus or minus 2.3 micrograms/g in the obese group (P=.009) and 4.4 plus or minus 1.2 micrograms/g in the extremely obese group (P<.001). Although all specimens demonstrated therapeutic cefazolin levels for gram-positive cocci (greater than 1 microgram/g), a considerable portion of obese and extremely obese did not achieve minimal inhibitory concentrations of greater than 4 micrograms/g for Gram-negative rods in adipose samples at skin incision (20% and 33.3%, respectively) or closure (20.0% and 44.4%, respectively). No significant difference in cefazolin concentration was observed in mean closure adipose, myometrial, or serum specimens across the BMI categories. CONCLUSION: Pharmacokinetic analysis suggests that present antibiotic prophylaxis dosing may fail to provide adequate antimicrobial coverage in obese patients during cesarean delivery. CLINICAL TRIAL REGISTRATION: ClinicalTrials.gov, www.clinicaltrials.gov, NCT00980486. LEVEL OF EVIDENCE: II.


Subject(s)
Antibiotic Prophylaxis/methods , Body Mass Index , Cefazolin/pharmacokinetics , Cesarean Section/methods , Obesity/complications , Surgical Wound Infection/prevention & control , Adiposity/drug effects , Adult , Anthropometry , Cefazolin/administration & dosage , Cesarean Section/adverse effects , Female , Follow-Up Studies , Humans , Obesity/diagnosis , Obesity, Morbid/complications , Obesity, Morbid/diagnosis , Pregnancy , Preoperative Care/methods , Risk Assessment , Treatment Outcome , Young Adult
5.
Am J Perinatol ; 28(6): 479-84, 2011 Jun.
Article in English | MEDLINE | ID: mdl-21225563

ABSTRACT

We evaluate the likelihood of cesarean delivery and identify risks of retaining a sustained-release dinoprostone vaginal insert beyond 12 hours. In a secondary analysis of outcomes, data were collected during a large, randomized trial comparing different sustained-release prostaglandin vaginal inserts for labor induction. Outcomes were compared between cases in whom the dinoprostone insert was removed early (within 12 hours) or late (12 to 24 hours). A total of 431 subjects had the dinoprostone vaginal insert in place for 12 to 24 hours ( N = 226, 52.4%) or within 12 hours ( N = 205, 47.6%). Insert removal for labor complications was less frequent in the late group than in the early group (5.8% versus 21.5%; P ≤ 0.001). Abnormal uterine contractility patterns were less common in the late than early group (25.2% versus 37.6%; P = 0.03). Rates of cesarean delivery during the first hospitalization were similar for late and early groups (25.0% versus 29.2%; P = 0.33). Percentages of infants requiring immediate attention or intensive care were low and similar between groups. Sustained-release intravaginal dinoprostone left in place beyond 12 hours did not increase the risks of intrapartum complications, cesarean delivery, or immediate adverse neonatal events.


Subject(s)
Dinoprostone/administration & dosage , Dinoprostone/adverse effects , Labor, Induced/methods , Oxytocics/administration & dosage , Oxytocics/adverse effects , Administration, Intravaginal , Adult , Apgar Score , Cervix Uteri/drug effects , Delayed-Action Preparations , Dinoprostone/therapeutic use , Female , Heart Rate, Fetal , Humans , Infant, Newborn , Oxytocics/therapeutic use , Oxytocin/therapeutic use , Pregnancy , Retrospective Studies , Time Factors , Young Adult
6.
Obstet Gynecol ; 114(6): 1315-1321, 2009 Dec.
Article in English | MEDLINE | ID: mdl-19935035

ABSTRACT

OBJECTIVE: To estimate the effect of maternal body mass index (BMI) on progress and outcomes of prostaglandin labor induction. METHODS: This study was a secondary analysis of data collected during the Misoprostol Vaginal Insert Trial, a multisite, double-blind, randomized trial of women requiring cervical ripening before induction of labor. The duration, characteristics, and outcomes of labor were analyzed after stratification by BMI categories. Multivariable regression analysis was performed on all outcomes of interest, adjusting for race, parity, and treatment group allocation. RESULTS: One thousand two hundred seventy-three patients were stratified according to BMI categories, with 418 study participants classified as lean (BMI less than 30), 644 as obese (BMI 30-39.9), and 211 as extremely obese (BMI 40 or higher). The incidence of cesarean delivery increased from 21.3% in the BMI less than 30 group to 29.8% in the BMI 30-39.9 group (odds ratio [OR] 1.57, 95% confidence interval [CI] 1.18-2.1, P=.002) and 36.5% in the BMI 40 or higher group (OR 2.12, 95% CI 1.47-3.06, P<.001). Median dose and duration of predelivery oxytocin in the lean group (2.6 units and 6.5 hours) was significantly lower than for women in either the obese (3.5 units and 7.7 hours) or the extremely obese (5.0 units and 8.5 hours) group. Median time to delivery was significantly longer in the BMI 40 or higher (27.0 hours) and BMI 30-39.9 (24.9 hours) groups compared with the BMI less than 30 (22.7 hours) group (P<.001). The relationship between maternal obesity and adverse labor and delivery outcomes persisted in a multivariable analysis that adjusted for race, parity, and treatment group allocation. CONCLUSION: Duration of labor, oxytocin requirements, and cesarean delivery rates are significantly higher with increasing maternal obesity in prostaglandin-induced women. LEVEL OF EVIDENCE: II.


Subject(s)
Labor, Induced , Obesity , Pregnancy Complications , Adult , Body Mass Index , Cervical Ripening/drug effects , Cesarean Section/statistics & numerical data , Female , Humans , Misoprostol/administration & dosage , Oxytocics/administration & dosage , Oxytocin/administration & dosage , Pregnancy , Randomized Controlled Trials as Topic , Treatment Outcome , Young Adult
7.
Obstet Gynecol ; 114(2 Pt 1): 261-267, 2009 Aug.
Article in English | MEDLINE | ID: mdl-19622986

ABSTRACT

OBJECTIVE: To evaluate the maternal and pregnancy characteristics that independently predict successful induction of labor, defined as vaginal delivery. METHODS: The study was a secondary analysis of the data collected during the Misoprostol Vaginal Insert Trial, a multisite, double-blind, randomized trial of women requiring cervical ripening before induction of labor. The primary outcome was to estimate the maternal and pregnancy characteristics that independently predict successful induction of labor. Univariable and multiple regression analyses were performed for maternal and pregnancy-related factors that potentially could predict a successful induction of labor. RESULTS: A total of 1,274 patients had sufficient labor and delivery data for a comparative analysis. Nine hundred sixteen (72%) induced patients subsequently had vaginal deliveries. Multiparity (odds ratio [OR] 4.63, 95% confidence interval [CI] 3.39-6.32, P<.001), maternal body mass index (BMI) less than 30 (OR 1.69, 95% CI 1.32-2.22, P<.001) and height greater than 5'5" (OR 1.47, 95% CI 1.15-1.9, P=.002), baseline modified Bishop score of 4 (OR 2.15, 95% CI 1.12-4.20, P=.047), and birth weight below 4,000 g (OR 2.17, 95% CI 1.51-3.13, P<.001) were significant for predicting successful induction of labor. Logistic regression analysis was performed to evaluate each factor as an independent predictor. In addition to the above-mentioned factors, maternal age younger than 35 years (OR 1.81, 95% CI 1.15-2.86, P=.01) and Hispanic race (OR 1.45, 95% CI 1.02-2.05, P=.036) each proved to significantly favor a successful induction. Conversely, African-American race was correlated with a higher incidence of cesarean delivery (OR 1.47, 95% CI 1.02-2.13, P<.001). CONCLUSION: Maternal characteristics such as BMI, parity, age, and race and neonatal birth weight are important variables to consider when predicting a successful induction of labor. The nearly 30% rate of cesarean delivery in this study underscores the importance of selecting appropriate candidates. LEVEL OF EVIDENCE: II.


Subject(s)
Dinoprostone/administration & dosage , Labor, Induced/methods , Misoprostol/administration & dosage , Oxytocics/administration & dosage , Adult , Birth Weight , Body Height , Body Mass Index , Double-Blind Method , Female , Humans , Infant, Newborn , Maternal Age , Parity , Pregnancy , Racial Groups , Suppositories , Vagina
8.
Am J Obstet Gynecol ; 198(5): e35-7, 2008 May.
Article in English | MEDLINE | ID: mdl-18199421

ABSTRACT

OBJECTIVE: To explore patient attitudes related to cesarean delivery on maternal request (CDMR). STUDY DESIGN: Questionnaires were distributed to patients in mid-trimester. Questions assessed patient demographics, knowledge, perceived risks, and attitudes about CDMR. RESULTS: Three hundred and fourteen questionnaires and 188 written responses were used for analysis. Most patients (95%) did not believe that CDMR was advisable and felt that vaginal delivery (VD) was safer for both mother (93%) and baby (88%). Of patients who did not believe CDMR was advisable, the most common explanations were classified into categories of "normal is better," "risk of complications" (67%), only 1% of this group felt that the decision should be left up to the individual. Of the remaining patients (5%) who supported CDMR, 75% believed that the decision should be left up to the individual. CONCLUSION: The majority of women in our population do not think that CDMR is advisable.


Subject(s)
Cesarean Section/psychology , Health Knowledge, Attitudes, Practice , Adolescent , Adult , Black or African American/psychology , Cesarean Section/statistics & numerical data , Female , Hispanic or Latino/psychology , Humans , Mothers/psychology , Pregnancy , Prospective Studies , Surveys and Questionnaires , Urban Population
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