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Serial hemodynamic measurements in post-cardiac arrest cardiogenic shock treated with therapeutic hypothermia.
MedLine Citation:
PMID:  25114327     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
AIMS: Mortality from cardiogenic shock complicating acute myocardial infarction (MI) remains high despite contemporary treatment. Therapeutic Hypothermia (TH) offers cardiovascular and systemic effects that may prove beneficial in this population, however, current data are limited. This study sought to evaluate the effect of therapeutic hypothermia on serial hemodynamics obtained in subjects with post-cardiac arrest cardiogenic shock.
METHODS: We analyzed serial hemodynamics of 14 consecutive patients with cardiogenic shock after cardiac arrest treated with TH. Study inclusion required baseline hemodynamics obtained prior to initiation of TH confirming cardiogenic shock defined as cardiac index ≤2.2 L/min/m(2) with a systolic blood pressure of ≤90 mmHg, a vasopressor requirement, or need for mechanical circulatory support.
RESULTS: In our 14 patients, the mean age was 58 ± 13.1 years, mean ejection fraction was 21 ± 8%, six had an acute MI, 12 required vasopressors, and 10 required mechanical support prior to initiation of TH. When compared to baseline, patients had significant improvements in Fick cardiac index, mixed venous O2 saturations, and serum lactate concentrations while heart rate was reduced following initiation of TH. There was no significant change in mean arterial pressure, however vasopressor requirement was reduced.
CONCLUSIONS: In patients with cardiogenic shock following cardiac arrest, initiation of TH was associated with favorable changes in invasive hemodynamics suggesting safety in this population. Given potential for favorable hemodynamic and systemic effects of TH in cardiogenic shock, further prospective study of TH as a potentially novel adjunctive therapy to early reperfusion in post-MI cardiogenic shock should be considered.
Authors:
Brian Stegman; Bhuvnesh Aggarwal; Alpana Senapati; Mingyuan Shao; Venu Menon
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-8-11
Journal Detail:
Title:  European heart journal. Acute cardiovascular care     Volume:  -     ISSN:  2048-8734     ISO Abbreviation:  Eur Heart J Acute Cardiovasc Care     Publication Date:  2014 Aug 
Date Detail:
Created Date:  2014-8-12     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101591369     Medline TA:  Eur Heart J Acute Cardiovasc Care     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© The European Society of Cardiology 2014.
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