[in Japanese]

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[in Japanese]

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I described diabetic foot in view of wound healing. The etiology was divided into peripheral neuropathy, peripheral arterial disease, and infection. And I here proposed the classification as below. Type I: mainly composed of peripheral neuropathy, Type II: mainly composed of peripheral arterial disease, Type III: mainly composed of infection, Type IV: combined with all three.

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[in Japanese]

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[in Japanese]

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[in Japanese]

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The purpose of this study is to examine the influence of the skin perfusion pressure of lower limbs by the difference of the leg position, and to use it in a clinical practice. The subjects were assumed to be ten healthy, young adults (4 males and 6 females). The skin perfusion pressure of lower limbs was measured in four positions (supine, lower limbs elevation, bed elevation 20°, and sitting position). The measurements were taken in two places, the dorsum of foot and the plantar of foot right lower extremity. Moreover, the systolic blood pressure, the diastolic blood pressure, and the pulse rate of right lower extremity were measured. The skin perfusion pressure of the lower limbs rose significantly compared with the supine and the lower limbs elevation when the lower limbs were lowered from the cardiac position (p<0.01, p<0.05). A positive correlation was shown between skin perfusion pressure and the systolic blood pressure. As for the bed elevation 20°, the lower limbs skin perfusion pressure rose significantly more than the supine and the lower limbs elevation.

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Purpose: It is necessary to assess both the invasive extent of osteomyelitis and tissue perfusion for critical limb ischemia. This study is on investigation about the usefulness of MR Imaging to the decision making of amputation level by comparing MR findings and the histopathological features, through a case of bunion's ulcer treated with minor amputation of great toe. Materials and Methods: We compared MR findings to the histopathological features on longitudinal sections through a case of bunion's ulcer treated with minor amputation of great toe. Results: There was close correspondence in acute osteomyelitis between the extent of abnormality shown with the MR imaging on T1-weighted, T2-weighted and pathological study. MR imaging on STIR (short T1 inversion recovery) evaluated whole osteomyelitis more clearly. Conclusion: The correspondence of MR imaging and histopathological features indicates MR imaging on STIR is a useful tool of the assessment of extent of osteomyelitis in the decision making of amputation level.

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[in Japanese]

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