PMID: 9446062Jan 31, 1998Paper

Hypotension during acute myocardial infarct. Different pattern of parameters of renal function in relation to the localization of necrosis

Minerva cardioangiologica
R De VecchisT Graziano

Abstract

The influence on renal function caused by acute myocardial infarction complicated by hypotension has been studied. Particularly, a possible difference in renal functional pattern related to different localization and/or extension of necrotic myocardial area was investigated. The study has been performed in 12 cases of acute myocardial infarction, involving anteroseptal (7) or inferodorsal (5) myocardial wall. The score of parietal asynergy resulted 13.28 in anterior vs 7.6 in inferior localization (p < 0.001). The decrease in systolic pressure, conversely, resulted not significantly different in the two groups. The renal function was assessed by measuring the urinary output (V) and creatinine clearance (CrCl). During the first 24 hours, both parameters resulted more preserved in inferior than in anterior AMI (V-552 vs 214 ml; p < 0.005; CrCl 70.6 vs 33.42; p < 0.001). Thus 1) the pressure decrease resulted unrelated to the size of asynergy and 2) the markers of renal function, although the decrease in brachial pressure has been identical in the two groups, have been shown to decrease more profoundly in the anterior infarction. This may depends upon the reflex interruption of efferent nervous sympathetic drive toward the renal a...Continue Reading

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