目的 评价平卧位和侧卧位两种体位支撑用具标准化摆放方法的减压效果。 方法 采用自身对照方法,在采取平卧位和侧卧位两种体位的情况下,对40名健康受试者分别采用基于指南形成的支撑用具标准化摆放与常规摆放两种方法,测量受试者与床面接触的身体主要受压部位(枕后、耳廓、肩胛、髋部、骶尾部、膝关节、足跟)的平均压强峰值、压力。 结果 平卧位及侧卧位支撑用具的常规摆放方法的平均压强峰值均大于基于指南形成的支撑用具标准化摆放方法的平均压强峰值(P<0.001),常规摆放方法的受压点平均压力均大于基于指南形成的支撑用具标准化摆放方法的平均压力(P<0.05)。 结论 应用基于指南形成的支撑用具标准化摆放方法可以降低受压点压力,但对部分受压部位仍需重点关注。

Objective To evaluate the effects of support devices placed in a standard way on pressure reduction in supine position and lateral decubitus. Methods The study adopted a self-control study design. Forty healthy participants were placed in the supine position and the lateral decubitus respectively with the supporting devices placed in two methods：the standard placement based on the guideline and the routine placement. The average peak pressure and pressure of the main body parts (occipital posterior,auricle,scapula,hip,sacral tail,knee and heel) were measured. Results Routine placement of supporting devices in both positions could produce greater mean peak pressure than the standard placement of supporting devices(P<0.001). Besides,pressure produced by routine placement of supporting devices in both positions was also higher than that of the standard placement of supporting devices (P<0.05). Conclusion The standard placement of supporting devices based on guideline can reduce the pressure of compression body parts. However,some compression parts still need to be paid attention to.