Thirty day mortality and related variables in open heart patients at the Kenyatta National Hospital, Nairobi

East African Medical Journal
S W Ogendo

Abstract

To determine the thirty-day mortality of open-heart patients at the Kenyatta National Hospital in Nairobi from June 1973 to October 2000 and; to look at likely variables related to mortality. A retrospective analysis of data from the unit database. Data on this database were collected prospectively from September 1997 to the time of study. Data in respect of the period prior to this were collected retrospectively from patient files, ward and theatre records. Kenyatta National Hospital (KNH), Nairobi. A total of 563 open-heart patients operated at the KNH were included in the study. The thirty-day mortality rate calculated at 17.4% for the study period compared to a hospital mortality rate of 16.9%. Surgical repair for complex congenital pathology, surgery on patients with a left atrial (LA) dimension or a left ventricular end systolic dimension (LVESD) greater than 5 cm or/and a cross clamp time greater than 60 minutes all had a significantly greater risk of mortality on bivariate analysis. This is compared to surgery for simple hole in the heart, LA and LVESD dimensions less than 5 cm and cross clamp times less than 60 minutes (p < 0.05). The increased risk of mortality with these variables was 3.33, 3.95, 3.18 and 1.8 times g...Continue Reading

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