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An Adjunct to Mechanical Thrombectomy in the Management of Acute Ischemia

Leonard H. Cohen, MD; Mark Kaplan, MD; Victor M. Bernhard, MD

Arch Surg. 1986;121(6):708-715.

Abstract
• Streptokinase was injected directly into the arterial tree following balloon-catheter embolectomy on 13 occasions to remove residual thrombus that could not be mechanically retrieved in 12 patients with imminent limb (ten patients) or kidney (two patients) necrosis. Effective lysis, confirmed by arteriography, pulse return, and increased ankle pressures, was achieved in 11 trials (85%). Bleeding complications, minor in three patients and severe in two patients, were ascribed to systemic lysis although other factors were contributory. One of five deaths was related to therapy. Six limbs were salvaged. The average total dose of streptokinase used, 110,000 units, was given in intermittent boluses of 25,000 to 50,000 units injected below a clamp placed to temporarily occlude distal circulation. Safe application of this technique requires intraoperative monitoring of coagulation parameters, aggressive replacement therapy, and prudent patient selection. This preliminary experience suggests that intraoperative lytic therapy (1) is an effective method for clearing thrombus not amenable to mechanical extraction and (2) may improve patency and tissue salvage.

(Arch Surg 1986;121:708-715)

Author Affiliations
From the Departments of Surgery, Albert Einstein Medical Center and Temple University School of Medicine, Philadelphia (Drs Cohen and Kaplan), and The University of Arizona Health Sciences Center, Tucson (Dr Bernhard).

Footnotes
Accepted for publication April 2, 1986.

Read before the 93rd Annual Meeting of the Western Surgical Association, Rochester, Minn, Nov 20, 1985.

Reprint requests to Department of Surgery, Albert Einstein Medical Center, York and Tabor roads, Philadelphia, PA 19141 (Dr Cohen).

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