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Hemodynamic Effect of External Chest Compressions at the Lower End of the Sternum in Cardiac Arrest Patients.
MedLine Citation:
PMID:  23218197     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
BACKGROUND: Little is known about the hemodynamic effects of chest compression at different positions on the sternum during cardiopulmonary resuscitation (CPR). OBJECTIVES: This study aimed to test whether external chest compression at the lower end of the sternum as an alternative position (alternative compression) results in superior hemodynamic effects compared to standard external chest compression (standard compression). METHODS: We enrolled 17 patients with non-traumatic cardiac arrest who failed to regain spontaneous circulation within 30 min after CPR initiation. Standard compression was begun when cardiac arrest was confirmed. Alternative compression was performed for 2 min if spontaneous circulation was not attained after 30 min of standard CPR. We compared hemodynamics and end-tidal CO(2) pressure during the last 2 min of standard compression and during alternative compression. RESULTS: Peak arterial pressure during compression systole (114 ± 51 vs. 95 ± 42 mm Hg, p < 0.001) and end-tidal CO(2) pressure (11.0 ± 6.7 vs. 9.6 ± 6.9 mm Hg, p < 0.05) were higher with alternative than standard compression, whereas arterial pressure during compression diastole, peak right atrial pressure, and coronary perfusion pressure did not differ between standard and alternative compression. CONCLUSIONS: Compared to standard compression, alternative compression results in a higher peak arterial pressure and end-tidal CO(2) pressure, but no change in coronary perfusion pressure.
Authors:
Kyoung Chul Cha; Ho Jung Kim; Hyung Jin Shin; Hyun Kim; Kang Hyun Lee; Sung Oh Hwang
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-12-4
Journal Detail:
Title:  The Journal of emergency medicine     Volume:  -     ISSN:  0736-4679     ISO Abbreviation:  J Emerg Med     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2012-12-10     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8412174     Medline TA:  J Emerg Med     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Elsevier Inc. All rights reserved.
Affiliation:
Department of Emergency Medicine, Wonju College of Medicine, Yonsei University, Wonju, Republic of Korea.
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