PDF(Pubmed)
Abstract：
BACKGROUND: Births at advanced maternal ages (≥ 35 years) are increasing. This has been associated with a higher incidence of placenta previa, which increases bleeding risk. Hybrid operating rooms, designed to accommodate interventions and cesarean sections, are becoming more prominent because of their dual capabilities and benefits. However, they have been associated with increased postoperative hypothermia in pediatric settings; moreover, this has not been studied in pregnant women with placenta previa.
METHODS: This retrospective cohort study included pregnant women diagnosed with placenta previa who underwent elective cesarean section under general anesthesia between May 2019 and 2023. The patients were categorized according to the operating room type. The primary outcome was to determine whether the hybrid operating room is a risk factor for immediate postoperative hypothermia, defined as a tympanic membrane temperature below 36.0°C. The secondary outcomes were the effects of immediate postoperative hypothermia on the durations of postanesthetic care unit and postoperative hospital stays and incidence of complications.
RESULTS: Immediate postoperative hypothermia (tympanic membrane temperature < 36.0°C) was more prevalent in the hybrid than in the standard operating room group (20% vs. 36.6%, p = 0.033), with a relative risk of 2.86 (95% confidence interval 1.24-6.64, p < 0.001). Patients undergoing surgery in the hybrid operating room who experienced immediate postoperative hypothermia stayed longer in the postanesthetic care unit (26 min vs. 40 min, p < 0.001) and in the hospital after surgery (4 days; range 3-5 vs. 4 days; range 4-11, p = 0.021). However, the complication rates of both groups were not significantly different (11.3% vs 7.3%, p = 0.743).
CONCLUSIONS: Hybrid operating rooms may increase the risk of postoperative hypothermia. Postoperative hypothermia is associated with prolonged postanesthetic care unit and hospital stays. Preventing hypothermia in patients in hybrid operating rooms is of utmost importance.
METHODS: This retrospective cohort study included pregnant women diagnosed with placenta previa who underwent elective cesarean section under general anesthesia between May 2019 and 2023. The patients were categorized according to the operating room type. The primary outcome was to determine whether the hybrid operating room is a risk factor for immediate postoperative hypothermia, defined as a tympanic membrane temperature below 36.0°C. The secondary outcomes were the effects of immediate postoperative hypothermia on the durations of postanesthetic care unit and postoperative hospital stays and incidence of complications.
RESULTS: Immediate postoperative hypothermia (tympanic membrane temperature < 36.0°C) was more prevalent in the hybrid than in the standard operating room group (20% vs. 36.6%, p = 0.033), with a relative risk of 2.86 (95% confidence interval 1.24-6.64, p < 0.001). Patients undergoing surgery in the hybrid operating room who experienced immediate postoperative hypothermia stayed longer in the postanesthetic care unit (26 min vs. 40 min, p < 0.001) and in the hospital after surgery (4 days; range 3-5 vs. 4 days; range 4-11, p = 0.021). However, the complication rates of both groups were not significantly different (11.3% vs 7.3%, p = 0.743).
CONCLUSIONS: Hybrid operating rooms may increase the risk of postoperative hypothermia. Postoperative hypothermia is associated with prolonged postanesthetic care unit and hospital stays. Preventing hypothermia in patients in hybrid operating rooms is of utmost importance.
摘要：
背景：高龄产妇年龄（≥35岁）的出生率正在增加。这与前置胎盘的发病率较高有关，增加出血风险。混合手术室,旨在适应干预措施和剖宫产，由于它们的双重能力和利益而变得更加突出。然而,它们与儿科患者术后体温过低增加有关；此外，尚未在前置胎盘的孕妇中进行研究。
方法：这项回顾性队列研究包括2019年5月至2023年5月在全身麻醉下进行择期剖宫产的被诊断为前置胎盘的孕妇。根据手术室类型对患者进行分类。主要结果是确定混合手术室是否是术后立即低体温的危险因素，定义为鼓膜温度低于36.0°C。次要结果是术后即刻低温对麻醉后监护病房持续时间和术后住院时间以及并发症发生率的影响。
结果：与标准手术室组相比，杂交组术后即刻低温（鼓膜温度<36.0°C）更为普遍（20％vs.36.6%,p=0.033),相对危险度为2.86（95%置信区间1.24-6.64，p<0.001）。在混合手术室接受手术的患者在术后立即出现体温过低的患者在麻醉后护理单元中停留的时间更长（26分钟与40分钟,p<0.001）和手术后住院（4天；范围3-5vs.4天；范围4-11，p=0.021）。然而,两组的并发症发生率没有显着差异（11.3％vs7.3％，p=0.743）。
结论：混合手术室可能会增加术后低体温的风险。术后体温过低与麻醉后监护病房和住院时间延长有关。在混合手术室中预防患者体温过低至关重要。
方法：这项回顾性队列研究包括2019年5月至2023年5月在全身麻醉下进行择期剖宫产的被诊断为前置胎盘的孕妇。根据手术室类型对患者进行分类。主要结果是确定混合手术室是否是术后立即低体温的危险因素，定义为鼓膜温度低于36.0°C。次要结果是术后即刻低温对麻醉后监护病房持续时间和术后住院时间以及并发症发生率的影响。
结果：与标准手术室组相比，杂交组术后即刻低温（鼓膜温度<36.0°C）更为普遍（20％vs.36.6%,p=0.033),相对危险度为2.86（95%置信区间1.24-6.64，p<0.001）。在混合手术室接受手术的患者在术后立即出现体温过低的患者在麻醉后护理单元中停留的时间更长（26分钟与40分钟,p<0.001）和手术后住院（4天；范围3-5vs.4天；范围4-11，p=0.021）。然而,两组的并发症发生率没有显着差异（11.3％vs7.3％，p=0.743）。
结论：混合手术室可能会增加术后低体温的风险。术后体温过低与麻醉后监护病房和住院时间延长有关。在混合手术室中预防患者体温过低至关重要。
