Jackson S A, Clinton C W
Postoperative Intensive Care Unit, Johannesburg Hospital.
S Afr J Surg. 1997 Aug;35(3):134-8.
Hypothermia develops during the intra-operative period partly as a result of disordered thermoregulation induced by anaesthesia, and partly because of the nature of the operation or injury and the surgical environment. Both the hypothermic state and the consequences of physiological attempts to return the core temperature to normal, which take place during the postoperative period, are associated with non-beneficial effects. Attempts to prevent an intra-operative decline in core temperature are a part of anaesthesia management. However, most of the traditional options available are inefficient or ineffective, especially if used as a single intervention and particularly in adults. This study evaluates the performance of a new device, the forced-air convective warmer, in the management of the postoperative hypothermic state. Results show that the device made a significant difference to the thermal state of a group of hypothermic postoperative patients when compared with a hypothermic control group, but only if used for at least 2 hours after the operation.
体温过低在手术期间出现，部分原因是麻醉引起的体温调节紊乱，部分原因是手术或损伤的性质以及手术环境。体温过低状态以及术后试图将核心体温恢复正常的生理反应所带来的后果都伴有不利影响。预防术中核心体温下降是麻醉管理的一部分。然而，大多数现有的传统方法效率低下或无效，特别是作为单一干预措施使用时，在成年人中尤其如此。本研究评估了一种新型设备——强制空气对流保暖器——在术后体温过低状态管理中的性能。结果表明，与体温过低的对照组相比，该设备对一组术后体温过低患者的热状态产生了显著影响，但前提是术后至少使用2小时。
