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目的:了解糖尿病患者和正常人群足底压力峰值、分布情况及其主要因素。方法:采用足底压力测量仪检测218例糖尿病患者和102例健康正常人以正常步态行走时的动态足底压力,每个受试者均检测5次后取平均值。将足底分为10个不同区域,计算平均足底最大峰值压力(MPP)和足底各区域MPP的分布情况。结果:正常人群和糖尿病患者足底MPP分别为(402±129)kPa和(417±113)kPa,在调整了年龄、性别、BMI等协变量的影响后,两组间的差异无统计学意义(P>0.05)。糖尿病组第1跖骨、第5跖骨区压力高于正常人群。多元线性回归分析结果显示,其中合并周围神经病变和胼胝2个因素进入回归方程,这2个因素可解释足底压力总变异量的38.2%。结论:糖尿病患者和正常人群之间MPP无差别,但压力分布不同。合并周围神经病变和胼胝的形成可显著影响糖尿病患者足底压力。
Objective: To understand the peak pressure and distribution of plantar pressure in diabetic patients and normal population and its main factors. Methods: The plantar pressure was used to measure the dynamic plantar pressure of 218 diabetic patients and 102 healthy controls when they walked in normal gait. Each subject was tested 5 times and then averaged. Divide the plantar floor into 10 different areas and calculate the mean maximum plantar peak pressure (MPP) and MPP distribution in the plantar region. Results: The plantar MPP was (402 ± 129) kPa and (417 ± 113) kPa in normal and diabetic patients, respectively. There was no significant difference between the two groups after adjusting for covariates such as age, sex and BMI (P> 0.05). Diabetic group 1 metatarsal, 5th metatarsal area pressure higher than the normal population. Multivariate linear regression analysis showed that the combination of peripheral neuropathy and callus 2 factors into the regression equation, these two factors explain the total plantar pressure variation of 38.2%. Conclusion: There is no difference in MPP between diabetic and normal subjects, but the pressure distribution is different. Combined peripheral neuropathy and callus formation can significantly affect plantar pressure in diabetic patients.