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Crit Care Med. 1987 Oct;15(10):923-9.

Serial cardiovascular variables in survivors and nonsurvivors of human septic shock: heart rate as an early predictor of prognosis.

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1
Critical Care Medicine Department, National Institutes of Health, Bethesda, MD 20892.

Abstract

Forty-eight septic shock patients with positive blood cultures had conventional serial hemodynamic evaluations until recovery or death to identify early cardiovascular variables that predicted outcome. There were 19 (40%) survivors and 29 nonsurvivors. At the initial evaluation, both survivors and nonsurvivors demonstrated an elevated cardiac index (CI), low systemic vascular resistance index (SVRI), and normal stroke volume index. However, only an initial heart rate (HR) less than 106 beat/min significantly predicted survival. Twenty-four hours after the onset of shock, both an HR less than 95 beat/min and an SVRI greater than 1529 dyne.sec/cm5.m2 predicted survival. Comparing the hemodynamic profiles from the initial to the 24 h time point, a decrease in HR greater than 18 beat/min or a decrease in CI greater than 0.5 L/min.m2 predicted survival. Twenty-two deaths occurred in the first week of study, of which 18 (82%) were due primarily to low SVRI and four (18%) to low CI. Seven deaths occurred after 1 wk, all of which were due to multiple organ failure.

PMID:
3652707
[Indexed for MEDLINE]
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