Abstract
Cardiopulmonary bypass (CPB) with deep hypothermia and total circulatory arrest (DHTCA) is commonly used for total correction of congenital heart malformations in infants. One of the most striking sequelae of DHTCA is the large extravascular fluid accumulation. It is commonly believed that the youngest infants accumulate the most extravascular fluid, and that this accumulation may affect mortality. We asked whether age is indeed a predictive factor for extravascular fluid accumulation, and whether there were other predictive factors. We retrospectively studied 50 patients, age 1-334 days, 90.6 ± 82.0 (mean ± S.D.), who underwent DHTCA from July 1, 1984 to December 30, 1985. Variables examined were age at operation, preoperative, and immediate postoperative hematocrits, CPB time, DHTCA time, lowest nasopharyngeal and rectal temperatures, arterial blood gas base deficit immediately after bypass, the highest postoperative creatinine, and mortality. These variables were compared to maximum % weight gain (as an index of extravascular fluid accumulation). The maximum % weight gain was 1-38% (16.7 ± 9.0). None of the factors examined correlated with maximum % weight gain, and thus extravascular fluid accumulation. The mortality rate was 10%. We conclude that there are no predictive factors for extravascular fluid accumulation, and that it does not affect mortality.
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Rabin, R., Verrier, E. & Soifer, S. FLUID ACCUMULATION AFTER CARDIOPULMONARY BYPASS WITH DEEP HYPOTHERMIA AND TOTAL CIRCULATORY ARREST. Pediatr Res 21 (Suppl 4), 206 (1987). https://doi.org/10.1203/00006450-198704010-00239
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DOI: https://doi.org/10.1203/00006450-198704010-00239