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The Journal of Thoracic and Cardiovascular Surgery, Vol 91, 667-673, Copyright © 1986 by The American Association for Thoracic Surgery and The Western Thoracic Surgical Association

ARTICLES

Costs and results of cardiac operations in infants less than 4 months old. Are they worthwhile?

DC Watson Jr, LM Bradley, FM Midgley and LP Scott

From 1979 through 1983, 328 of 1,388 pediatric cardiac operations involved patients undergoing their first procedure at less than 4 months of age. Of these, 220 patients had 265 nonductal procedures, and their case histories are reviewed for results and total hospital cost. Initial operative mortality was 20% (43 patients). Infants with lower operative age and operative weight tended to have closed procedures. Mortality and cure were not related to gestational age, birth weight, age at operation, number of operations, or type of operation. Lower operative weight was associated with a greater mortality. Evaluated survivors (142 patients) were followed for a mean of 24 months. Fifteen percent (33 patients) died during follow-up. Of survivors, 80% (114 patients) had optimized general health; a subset of 29% had normal cardiac function, and 17% were cured. Lower birth weight was associated with curable lesions and normalcy (p less than 0.04). Longer preoperative hospital stay and lower weight at operation were associated with higher hospital cost (p less than 0.05). Hospital cost was not related to type of operation, gestational age, birth weight, age at operation, mortality, cure, or normalcy. Acquired neurologic dysfunction and long-term disability were uncommon. The mean hospital cost for surviving infants was +80,000 (1984 dollars). Effective hospital cost per survivor was +110,000. Mortality, cure, and normal function after cardiac operations in infants less than 4 months of age were not related to gestational age, birth weight, or age at operation. Mortality was higher in patients with a lower weight at operation. Separation into distinct fiscal cost groups is not reasonable in this series. Because most survivors are in normal or optimized cardiac health, intensive cardiovascular care in this population is justified.

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