Journal of obstetrics and gynaecology Canada : JOGC = Journal d'obstetrique et gynecologie du Canada : JOGC · 2013
A randomized controlled trial of early versus delayed skin staple removal following caesarean section in the obese patient.
Сравнительное исследованиеСтатьяРандомизированное исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Nuthalapaty Francis S, Lee Christy M, Lee Jill H, Kuper Spencer G, Higdon H Lee
Аннотация
OBJECTIVE: To compare wound complications after Caesarean section in the obese patient, following early versus delayed skin staple removal.
METHODS: We conducted a single-centre, non-inferiority, randomized controlled trial. Following Caesarean section, obese women (BMI ≥ 30 kg/m(2)) with subcutaneous wound depth ≥ 2.0 cm and skin staple closure of a transverse incision were randomized to staple removal on postoperative day 3 (early) or between postoperative day 7 and postoperative day 10 (delayed). The primary outcome was superficial wound dehiscence; a rate of 8% or higher in the early group was defined as inferior. Secondary outcomes were seroma/hematoma, surgical site infection, and visual analogue pain score. The planned sample size was 250 patients per group.
RESULTS: The study was halted after 295 patients were randomized because of slow enrolment and exhaustion of funding. The rate of superficial wound dehiscence was 15.2% in the early group (n = 145) versus 11.5% in the delayed group (n = 148). The point estimate for this difference (3.7 %; 95% CI -4.4 to 12.4) favours delayed removal. However, because the 95% CI includes zero and the upper CI exceeds the predefined limit for non-inferiority (8%), non-inferiority was not demonstrated. The rates of all secondary outcomes were similar in the early group and the delayed group: seroma/hematoma (6.9% vs. 4.7%; RR 1.4, 95% CI 0.6 to 3.7, P = 0.4); surgical site infection (9.7% vs. 4.8%; RR 2.0, 95% CI 0.8 to 4.9, P = 0.1); and composite (superficial wound dehiscence, seroma/hematoma, and surgical site infection) wound complication (17.2% vs. 12.8%; RR 1.3, 95% CI 0.8 to 2.3, P = 0.3).
CONCLUSION: The non-inferiority of early skin staple removal was not demonstrated. Delayed removal of staples should remain the accepted standard in the obese patient following Caesarean section.
METHODS: We conducted a single-centre, non-inferiority, randomized controlled trial. Following Caesarean section, obese women (BMI ≥ 30 kg/m(2)) with subcutaneous wound depth ≥ 2.0 cm and skin staple closure of a transverse incision were randomized to staple removal on postoperative day 3 (early) or between postoperative day 7 and postoperative day 10 (delayed). The primary outcome was superficial wound dehiscence; a rate of 8% or higher in the early group was defined as inferior. Secondary outcomes were seroma/hematoma, surgical site infection, and visual analogue pain score. The planned sample size was 250 patients per group.
RESULTS: The study was halted after 295 patients were randomized because of slow enrolment and exhaustion of funding. The rate of superficial wound dehiscence was 15.2% in the early group (n = 145) versus 11.5% in the delayed group (n = 148). The point estimate for this difference (3.7 %; 95% CI -4.4 to 12.4) favours delayed removal. However, because the 95% CI includes zero and the upper CI exceeds the predefined limit for non-inferiority (8%), non-inferiority was not demonstrated. The rates of all secondary outcomes were similar in the early group and the delayed group: seroma/hematoma (6.9% vs. 4.7%; RR 1.4, 95% CI 0.6 to 3.7, P = 0.4); surgical site infection (9.7% vs. 4.8%; RR 2.0, 95% CI 0.8 to 4.9, P = 0.1); and composite (superficial wound dehiscence, seroma/hematoma, and surgical site infection) wound complication (17.2% vs. 12.8%; RR 1.3, 95% CI 0.8 to 2.3, P = 0.3).
CONCLUSION: The non-inferiority of early skin staple removal was not demonstrated. Delayed removal of staples should remain the accepted standard in the obese patient following Caesarean section.