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European Journal of Cardio-Thoracic Surgery, Vol 5, 653-656, Copyright © 1991 by European Association for Cardio-thoracic Surgery

ARTICLES

Tumor-related obstruction of the inferior vena cava extending into the right heart--a plea for surgery in deep hypothermic circulatory arrest

J Laas, C Schmid, E Allhoff and HG Borst
Division of Thoracic and Cardiovascular Surgery, Hannover Medical School, FRG.

This study reviews eight patients, 39-63 years old, with tumor-related obstruction of the inferior vena cava (IVC) extending into the right atrium (n = 5) and ventricle (n = 3). Five patients suffered from renal cell carcinoma, 3 from sarcomatous disease. The general approach was a median sternotomy and laparotomy with hypothermic circulatory arrest (17.0-20.5 degrees C; 23-46 min) in six patients, while in two patients, the IVC was clamped sequentially under moderate hypothermia and extracorporeal circulation. Four patients had tumor infiltration of the IVC necessitating partial caval resection. In three, the IVC was reconstructed by fabric patches or tubular prothesis. In one patient, the continuity of the IVC was interrupted permanently. Three patients underwent nephrectomy during the same procedure, two before and one after IVC disobliteration. In one patient each, pulmonary embolectomy and intrahepatic IVC stenting were performed. Two patients died early, one due to uncontrollable hemorrhage the other due to non-cardiogenic pulmonary edema. Six patients were discharged in good physical condition and are still alive at a mean follow-up of 24 months. Five patients have since remained free of recurrence, one patient underwent three further surgical interventions for bone metastases. We feel that IVC desobliteration is feasible in selected cases with extended tumor- related obstruction with an acceptable early risk and late outcome.

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