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Dependent Leg Edema in Older Patients with or without Skin Lesion
Kotaro Suehiro1, Noriyasu Morikage1, Takasuke Harada1
1Division of Vascular Surgery, Department of Surgery and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Yamaguchi, Japan.
Abstract:
Objective: This study aimed to clarify the features and causes of dependent edema (DE) in the legs of patients in geriatrics. Patients and Methods: We retrospectively reviewed 224 patients with DE, aged ≥65 years, who visited our clinic from April 2009-March 2022. DE was defined as bilateral leg edema in patients without known systemic edemagenic conditions, venous insufficiency confirmed by duplex venous scanning, or a cancer treatment history in the pelvic/inguinal lesions. Results: The median patient age was 77 years (range: 65-94 years), where 74% were female. Overall, 198 patients (88%) had gait disturbances caused mainly by musculoskeletal disorders, but 58 (26%) walked without aid. Compared with patients with DE only (N=129), patients with DE and venous stasis-related skin lesions (N=95) included a larger number of those with obesity than did those with DE only (26% vs. 14%, p=0.02). Conclusion: The primary cause of DE in older patients was the sedentary lifestyle secondary to aging and gait disturbance, not solely because of reduced leg function. The complications of obesity are associated with increased venous stasis-related skin lesions.
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