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Item Comparison of intrathecal morphine with continuous patient-controlled epidural anesthesia versus intrathecal morphine alone for post-cesarean section analgesia: a randomized controlled trial(BMC, 2020-06-03) Sato, Izumi; Iwasaki, Hajime; Luthe, Sarah Kyuragi; Iida, Takafumi; Kanda, Hirotsugu; Medicine, School of MedicineBackground Several neuraxial techniques have demonstrated effective post-cesarean section analgesia. According to previous reports, it is likely that patient-controlled epidural analgesia (PCEA) without opioids is inferior to intrathecal morphine (IM) alone for post-cesarean section analgesia. However, little is known whether adding PCEA to IM is effective or not. The aim of this study was to compare post-cesarean section analgesia between IM with PCEA and IM alone. Methods Fifty patients undergoing elective cesarean section were enrolled in this prospective randomized study. Patients were randomized to one of two groups: IM group and IM + PCEA group. All patients received spinal anesthesia with 12 mg of 0.5% hyperbaric bupivacaine, 10 μg of fentanyl, and 150 μg of morphine. Patients in IM + PCEA group received epidural catheterization through Th11–12 or Th12-L1 before spinal anesthesia and PCEA (basal 0.167% levobupivacaine infusion rate of 6 mL/h, bolus dose of 3 mL in lockout interval of 30 min) was commenced at the end of surgery. A numerical rating scale (NRS) at rest and on movement at 4,8,12,24,48 h after the intrathecal administration of morphine were recorded. In addition, we recorded the incidence of delayed ambulation and the number of patients who requested rescue analgesics. We examined NRS using Bonferroni’s multiple comparison test following repeated measures analysis of variance; p < 0.05 was considered as statistically significant. Results Twenty-three patients in each group were finally analyzed. Mean NRS at rest was significantly higher in IM group than in IM + PCEA group at 4 (2.7 vs 0.6), 8 (2.2 vs 0.6), and 12 h (2.5 vs 0.7), and NRS during mobilization was significantly higher in IM group than in IM + PCEA group at 4 (4.9 vs 1.5), 8 (4.8 vs 1.9), 12 (4.9 vs 2), and 24 h (5.7 vs 3.5). The number of patients who required rescue analgesics during the first 24 h was significantly higher in IM group compared to IM + PCEA group. No significant difference was observed between the groups in incidence of delayed ambulation. Conclusions The combined use of PCEA with IM provided better post-cesarean section analgesia compared to IM alone. Trial registration UMIN-CTR (Registration No. UMIN000032475). Registered 6 May 2018 – Retrospectively registered.Item Effect of Prophylactic Negative Pressure Wound Therapy vs Standard Wound Dressing on Surgical-Site Infection in Obese Women After Cesarean Delivery(JAMA, 2020-09-22) Tuuli, Methodius G.; Liu, Jingxia; Tita, Alan T.N.; Longo, Sherri; Trudell, Amanda; Carter, Ebony B.; Shanks, Anthony L.; Woolfolk, Candice; Caughey, Aaron B.; Warren, David K.; Odibo, Anthony O.; Colditz, Graham; Macones, George A.; Harper, Lorie; Obstetrics and Gynecology, School of MedicineImportance: Obesity increases the risk of both cesarean delivery and surgical-site infection. Despite widespread use, it is unclear whether prophylactic negative pressure wound therapy reduces surgical-site infection after cesarean delivery in obese women. Objective: To evaluate whether prophylactic negative pressure wound therapy, initiated immediately after cesarean delivery, lowers the risk of surgical-site infections compared with standard wound dressing in obese women. Design, setting, and participants: Multicenter randomized trial conducted from February 8, 2017, through November 13, 2019, at 4 academic and 2 community hospitals across the United States. Obese women undergoing planned or unplanned cesarean delivery were eligible. The study was terminated after 1624 of 2850 participants were recruited when a planned interim analysis showed increased adverse events in the negative pressure group and futility for the primary outcome. Final follow-up was December 18, 2019. Interventions: Participants were randomly assigned to either undergo prophylactic negative pressure wound therapy, with application of the negative pressure device immediately after repair of the surgical incision (n = 816), or receive standard wound dressing (n = 808). Main outcomes and measures: The primary outcome was superficial or deep surgical-site infection according to the Centers for Disease Control and Prevention definitions. Secondary outcomes included other wound complications, composite of surgical-site infections and other wound complications, and adverse skin reactions. Results: Of the 1624 women randomized (mean age, 30.4 years, mean body mass index, 39.5), 1608 (99%) completed the study: 806 in the negative pressure group (median duration of negative pressure, 4 days) and 802 in the standard dressing group. Superficial or deep surgical-site infection was diagnosed in 29 participants (3.6%) in the negative pressure group and 27 (3.4%) in the standard dressing group (difference, 0.36%; 95% CI, -1.46% to 2.19%, P = .70). Of 30 prespecified secondary end points, 25 showed no significant differences, including other wound complications (2.6% vs 3.1%; difference, -0.53%; 95% CI, -1.93% to 0.88%; P = .46) and composite of surgical-site infections and other wound complications (6.5% vs 6.7%; difference, -0.27%; 95% CI, -2.71% to 2.25%; P = .83). Adverse skin reactions were significantly more frequent in the negative pressure group (7.0% vs 0.6%; difference, 6.95%; 95% CI, 1.86% to 12.03%; P < .001). Conclusions and relevance: Among obese women undergoing cesarean delivery, prophylactic negative pressure wound therapy, compared with standard wound dressing, did not significantly reduce the risk of surgical-site infection. These findings do not support routine use of prophylactic negative pressure wound therapy in obese women after cesarean delivery.Item A prospective study of maternal, fetal and neonatal outcomes in the setting of cesarean section in low- and middle-income countries(Wiley, 2017-04) Harrison, Margo S.; Pasha, Omrana; Saleem, Sarah; Ali, Sumera; Chomba, Elwyn; Carlo, Waldemar A.; Garces, Ana L.; Krebs, Nancy F.; Hambidge, K. Michael; Goudar, Shivaprasad S.; Kodkany, Bhala; Dhaded, Sangappa; Derman, Richard J.; Patel, Archana; Hibberd, Patricia L.; Esamai, Fabian; Liechty, Edward A.; Moore, Janet L.; Wallace, Dennis; McClure, Elizabeth M.; Miodovnik, Menachem; Koso-Thomas, Marion; Belizan, Jose; Tsefu, Antoinette K.; Bauserman, Melissa; Goldenberg, Robert L.; Pediatrics, School of MedicineIntroduction Cesarean section (CS) rates are increasing globally with an unclear effect on pregnancy outcomes. The study objective was to quantify maternal and perinatal morbidity and mortality associated with CS compared with vaginal delivery (VD) both within and across sites in low- and middle-income countries. Material and methods A prospective population-based study including home and facility births in 337 153 women with a VD and 47 308 women with a CS from 2010 to 2015 was performed in Guatemala, India, Kenya, Pakistan, Zambia and Democratic Republic of Congo. Women were enrolled during pregnancy; delivery and 6-week follow-up data were collected. Results Across all sites, CS rates increased from 8.6% to 15.2%, but remained low in African sites. Younger, nulliparous women were more likely to have a CS, as were women with higher education and those delivering an infant weighing 1500–2499 g. Across all sites, maternal and neonatal mortality was higher, and stillbirths were lower, in pregnancies delivered by CS. Antepartum and postpartum complications as well as obstetric interventions and treatments were more common among women who underwent CS. In stratified analyses, all outcomes were worse in women with a CS compared with VD in African compared to non-African sites. Conclusions CS rates increased across all sites during the study period, but at more pronounced rates in the non-African sites. CS was associated with reduced postpartum hemorrhage and lower rates of stillbirths in the non-African sites. In the African sites, CS was associated with an increase in all adverse outcomes. Further studies are necessary to better understand the increase in adverse outcomes with CS in the African sites.Item Reply to: Weight and height adjusted dose regimen or fixed ED95 dose of intrathecal hyperbaric bupivacaine for cesarean delivery in parturients with different BMIs: which would be optimal?(Taylor & Francis, 2022) Ravindranath, Sapna; Ituk, Unyime S.; Anesthesia, School of Medicine