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Clinical Trial
Comparative Study
Journal Article
Comparison of perioperative outcomes and anesthetic-related complications of morbidly obese and super-obese parturients delivering by cesarean section.
Annals of Medicine 2023 December
OBJECTIVE: To compare the perioperative outcomes and anesthetic-related complications of morbidly obese and super-obese parturients delivering by cesarean section.
METHODS: A retrospective analysis of 6 years of data was performed. Exclusions were cases with gestational ages <24 weeks, placenta accreta spectrum, polyhydramnios, or multiple gestations.
RESULTS: The study included 494 patients whose body mass index (BMI) exceeded 40 kg/m2 at delivery. Of these, 469 were morbidly obese (BMI 40-49.9; mean, 42.9 ± 2.4), and 25 were super obese (BMI >50; mean, 54.5 ± 4.2). Twenty-four (5.1%) morbidly obese women received general anesthesia. The other 445 patients (94.9%) in the morbid obesity group underwent cesarean delivery under regional anesthesia; however, some (2.2%; 10/445) received general anesthesia after regional anesthesia failed. In the super-obesity group, 23 patients (92.0%) received regional anesthesia, while two patients (8.0%) received general anesthesia. There were no cases of pulmonary aspiration, maternal deaths, or difficult or failed intubation. There was one episode of cardiac arrest in a patient with a BMI of 47.9. Among the morbidly obese and super-obese women given regional anesthesia, the super-obese patients had significantly greater volumes of ephedrine and norepinephrine consumption ( p = 0.027 and 0.030), intravenous fluids ( p = 0.006), and bleeding during surgery ( p = 0.017). They also had more hypotensive episodes ( p = 0.038). The two groups' incidences of neonatal birth asphyxia, postpartum hemorrhage, blood transfusion, and uterine atony did not differ significantly. The lengths of stay in the hospital were also comparable.
CONCLUSIONS: Among the women receiving regional anesthesia, the super-obese parturients had greater intraoperative bleeding, a higher proportion of hypotensive episodes, and a greater vasopressor requirement than the morbidly obese parturients. Anesthesiologists must prepare for the adverse perioperative events that such women risk experiencing during a delivery by cesarean section.
UNLABELLED: www.clinicaltrials.gov ID: NCT04657692.
METHODS: A retrospective analysis of 6 years of data was performed. Exclusions were cases with gestational ages <24 weeks, placenta accreta spectrum, polyhydramnios, or multiple gestations.
RESULTS: The study included 494 patients whose body mass index (BMI) exceeded 40 kg/m2 at delivery. Of these, 469 were morbidly obese (BMI 40-49.9; mean, 42.9 ± 2.4), and 25 were super obese (BMI >50; mean, 54.5 ± 4.2). Twenty-four (5.1%) morbidly obese women received general anesthesia. The other 445 patients (94.9%) in the morbid obesity group underwent cesarean delivery under regional anesthesia; however, some (2.2%; 10/445) received general anesthesia after regional anesthesia failed. In the super-obesity group, 23 patients (92.0%) received regional anesthesia, while two patients (8.0%) received general anesthesia. There were no cases of pulmonary aspiration, maternal deaths, or difficult or failed intubation. There was one episode of cardiac arrest in a patient with a BMI of 47.9. Among the morbidly obese and super-obese women given regional anesthesia, the super-obese patients had significantly greater volumes of ephedrine and norepinephrine consumption ( p = 0.027 and 0.030), intravenous fluids ( p = 0.006), and bleeding during surgery ( p = 0.017). They also had more hypotensive episodes ( p = 0.038). The two groups' incidences of neonatal birth asphyxia, postpartum hemorrhage, blood transfusion, and uterine atony did not differ significantly. The lengths of stay in the hospital were also comparable.
CONCLUSIONS: Among the women receiving regional anesthesia, the super-obese parturients had greater intraoperative bleeding, a higher proportion of hypotensive episodes, and a greater vasopressor requirement than the morbidly obese parturients. Anesthesiologists must prepare for the adverse perioperative events that such women risk experiencing during a delivery by cesarean section.
UNLABELLED: www.clinicaltrials.gov ID: NCT04657692.
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