• Chien-Hua Huang, Min-Shan Tsai, Hooi Nee Ong, Weiting Chen, Chih-Hung Wang, Wei-Tien Chang, Tzung-Dau Wang, Shyr-Chyr Chen, Matthew Huei-Ming Ma, and Wen-Jone Chen.
• Department of Emergency Medicine, National Taiwan University Hospital, National Taiwan University Medical College, Taipei, Taiwan; Division of Cardiology, Department of Internal Medicine, National Taiwan University Hospital, National Taiwan University Medical College, Taipei, Taiwan.
• Resuscitation. 2017 Nov 1; 120: 146-152.

PurposeAlthough hemodynamic instability is expected during the post-cardiac arrest period, the implications of hemodynamic parameters for outcomes remain unclear. Each phase of targeted temperature management (TTM) affects hemodynamic responses differently. This study aims to investigate the association of hemodynamic parameters with outcomes in patients receiving TTM after cardiac arrest.MethodsThe study prospectively enrolled patients who were treated with TTM (33°C for 24h) after cardiac arrest. We assessed clinical and hemodynamic variables at pre-specified time points in survivors and non-survivors as well as among those with favorable vs. poor neurologic outcomes at discharge.ResultsThe study analyzed the records of 95 patients who completed TTM; at discharge 54 (57%) were alive and 21 (22%) had favorable neurological outcomes. Heart rate(HR) at 24h>93/min, cardiac index (CI) at 12h<2.5l/min/m2 and lower average of mean arterial blood pressure(MAP) at 36h and 48h were independently associated with in-hospital mortality (P<0.05 by Cox regression analysis respectively). MAP at 48h between 84-110mm Hg and lower HR at 48h were significantly associated with better neurological outcome at discharge (P<0.05 for by logistic regression analysis respectively).ConclusionsOur results indicate that lower MAP and HR more than 93/min are associated with in-hospital mortality during the initial 48h after ROSC. CI at 12h<2.5l/min/m2 is associated with survival but not with neurological outcome. During the course of post-cardiac arrest TTM, these markers of hemodynamic status may be useful predictors of outcomes.Copyright © 2017 Elsevier B.V. All rights reserved.

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