The ratios of area of foot print to area of foot outline and diabetic sole ulcer formation.
The ratios of area of foot print to area of foot outline and diabetic sole ulcer formation.
复制标题
足印面积与足部轮廓面积之比与糖尿病足底溃疡形成。
作者：
C. Low;P. Shew;B. Low
对50例正常人和70例糖尿病患者的足印面积与足轮廓面积的比值进行了研究。糖尿病组分为2组：44例无足底溃疡和26例足底溃疡。主要目的是找到一个可以预测溃疡形成的比率。正常人的100只脚的平均比值为0.621，范围为0.51-0.72。糖尿病患者的88只非溃疡足的平均比值为0.611，范围为0.49-0.70。差异无统计学意义（p > 0.05）。26例糖尿病患者中32例溃疡足的平均比值为0.580，范围为0.47-0.68。溃疡组与非溃疡组比较差异有统计学意义（P < 0.01）。20例单侧受累的糖尿病患者的20只非溃疡足的平均比值为0.60，范围为0.50-0.69。20例单侧受累患者的溃疡足与非溃疡足之间的差异也有统计学意义（P < 0.01）。足底溃疡主要分布于跖骨头和跟骨下方。对脚印的分析显示了多个深色脚印区域。它们位于与上述骨突起相对应的位置。由于这些骨质凹陷是高压点，深色印纹区域可以作为过度压力的粗略指标。糖尿病溃疡组的平均比率较小，接触面积的减少可能有助于足底溃疡的形成。（250字处删节）
The ratio of area of foot print to area of foot outline for each foot was studied in 50 normal and 70 diabetic subjects. The diabetic group was divided into 2 groups: 44 patients without and 26 patients with sole ulcers. The chief aim was to find a ratio that could predict ulcer formation. One hundred feet in the normal subjects had a mean ratio of 0.621 with a range of 0.51-0.72. The 88 non-ulcerated feet in the diabetic patients had a mean ratio of 0.611 with a range of 0.49-0.70. The difference was statistically not significant (p > 0.05). Thirty-two ulcerated feet in the 26 diabetic patients had a mean ratio of 0.580 with a range of 0.47-0.68. The difference between the ulcer and the non-ulcer group was statistically significant (p < 0.01). Twenty non-ulcerated feet in 20 diabetic patients with unilateral involvement had a mean ratio of 0.60 with a range of 0.50-0.69. The difference between the ulcerated and non ulcerated feet in these 20 unilateral involved patients was also statistically significant (p < 0.01). The sole ulcers in our study were distributed mainly beneath the metatarsal heads and calcaneum. Analysis of the foot prints revealed multiple dark print areas. They were at the locations corresponding to the above bony prominences. As these bony prominences were high pressure points, the dark print areas could serve as crude indicators of excessive pressure. The diabetic ulcer group had smaller mean ratio and the reduction of the contact area could contribute to the formation of sole ulcers.(ABSTRACT TRUNCATED AT 250 WORDS)