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Medical costs of treating venous stasis ulcers: evidence from a retrospective cohort study

Department of Vascular Medicine, Cleveland Clinic Foundation, Cleveland, OH

Kathleen M Beusterien

Covance Health Economics and Outcomes Services Inc., Washington, DC

Mary Beth Childs

Department of Vascular Medicine, Cleveland Clinic Foundation, Cleveland, OH

Caroline Seavey

Covance Health Economics and Outcomes Services Inc., Washington, DC

Linda McHugh

Department of Vascular Medicine, Cleveland Clinic Foundation, Cleveland, OH

Robert I Griffiths

Covance Health Economics and Outcomes Services Inc., Washington, DC, Program for Medical Technology and Practice Assessment, Johns Hopkins University School of Medicine, Baltimore, MD, USA

Venous stasis ulcers (VSU) account for approximately 80-90% of lower extremity ulcerations. Given their prevalence and chronic nature, VSU are thought to impose a significant economic burden on Medicare (the USA's largest health insurance program) and other third party payers. However, comprehensive studies on the costs of VSU treatment are lacking. The objective of this study therefore was to examine comprehensively the direct medical costs of treating patients with a VSU in routine clinical practice.

A cohort of 78 patients who presented with a VSU to the Cleveland Clinic Foundation (CCF), a large primary and tertiary referral center, was studied retrospectively. All inpatient and out-patient costs related to VSU treatment that were incurred during the year following VSU presentation or until the ulcer healed, whichever occurred first, were quantified. A total of 71 (91%) patients healed during the study. The average duration of follow-up was 119 days (median: 84 days). The average number of visits per patient was seven (range: 2 to 57). A total of 14 (18%) patients underwent 18 hospitalizations for VSU care. The average total medical cost per patient was $9685 (median: $3036). Home health care, hospitalizations and home dressing changes accounted for 48%, 25% and 21% of total costs, respectively. Total costs were related to duration of active therapy, ulcer size and the presence of at least one comorbidity (p,0.05).

VSU are costly to manage, especially when time to healing is prolonged. The present findings reflect an underestimate of VSU costs since indirect costs were not examined. Time absent from work, forced early retirement, loss of functional independence and unquantifiable suffering may be additional factors that contribute to the overall burden of VSU.

Key Words: economics • health care costs • medical resource utilization • venous stasis ulcer

Vascular Medicine, Vol. 4, No. 1, 1-7 (1999)
DOI: 10.1177/1358836X9900400101


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