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Ultrafiltration in diuretic-resistant cardiac failure.

Ultrafiltration was performed in 13 patients with diuretic-resistant cardiac failure. All patients had severely distressing peripheral edema and ultrafiltration was successfully completed in 12 patients, all of whom sustained symptomatic improvement. The volume of fluid removed ranged from 3.7 to 23 L, mean 11.8 L. Weight reduction produced by ultrafiltration continued over the following week, indicating an improved response to diuretic therapy. Ultrafiltration is an effective therapeutic intervention in the management of a small but well-defined group of patients with diuretic-resistant cardiac failure.