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  • Title: Do patients with intermittent claudication need surgical treatment?
    Author: Okadome K, Funahashi S, Odashiro T, Komori K, Akazawa K, Sugimachi K.
    Journal: Int Angiol; 1994 Jun; 13(2):103-8. PubMed ID: 7963867.
    Abstract:
    To determine whether surgical intervention is of therapeutic significance for patients with intermittent claudication (IC), 315 patients with IC followed in our outpatient clinics for the past 8 years 3 months (mean of 3 years 10 months), including 142 non-operated and 173 operated patients, were investigated as to changes in symptoms and the prognosis. Changes in symptoms in both groups were analyzed according to the variable distances of claudication and location of the diseased artery. To examine the degree of association between surgery and improvement of symptoms, Goodman and Kruskal's gamma was used. For all subgroups with a variable claudication distance (group A; distance < 100 m, B: 100-500 m, C: > 500 m), surgery inversely correlated with improvement in symptoms (group A; gamma = -0.378, group B; gamma = -0.651, group C; gamma = -0.828). According to location of the diseased artery, surgery correlated with improvement in symptoms in aorto-iliac (gamma = -0.811), aorto-ilio-superficial femoral (gamma = -0.641), and superficial femoral-distal (gamma = -0.533) groups but not in superficial femoral (gamma = -0.427) or infrapopliteal (gamma = -0.194) alone groups. Concerning the prognosis, no significant difference was noted between operated and non-operated groups (p = 0.35). These computed data show that surgical intervention has therapeutic significance for patients with IC, except for cases of claudication with segmental occlusion of the superficial femoral or infrapopliteal artery alone.
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