PMID: 3384179Jun 1, 1988Paper

Transcutaneous oxygen tension in legs and feet of diabetic patients

Diabetes
P M GaylardeP Dandona

Abstract

Transcutaneous oxygen tension (tcPO2) of the legs and feet was measured at 37 and 44 degrees C in 21 patients with diabetes mellitus, 9 of whom had peripheral neuropathy. At 37 degrees C, tcPO2 in the legs and feet of diabetic patients with peripheral neuropathy was significantly higher (P less than .02) than in control subjects and diabetic patients without neuropathy. Whereas tcPO2 in the legs of control subjects and nonneuropathic diabetic patients was greater than in the feet (P less than .02), this leg-to-foot difference was absent in diabetic patients with neuropathy. After an increase in skin temperature to 44 degrees C, tcPO2 increased in the legs and feet of all three groups, but the increase was smallest in diabetic patients with neuropathy and greatest in control subjects. In neuropathic (P less than .02) and nonneuropathic (P less than .02) diabetic patients, tcPO2 was significantly lower than in control subjects. These data are consistent with a loss of vasoconstrictor tone in the blood vessels perfusing skin and subcutaneous tissue at 37 degrees C and an inability of these vessels to vasodilate and increase blood flow at 44 degrees C in diabetic patients in general and neuropathic diabetic patients in particular. ...Continue Reading

Citations

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