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Is pre-hospital treatment of chest pain optimal in acute coronary syndrome? The relief of both pain and anxiety is needed.

AbstractBACKGROUND:
Many patients who suffer from acute chest pain are transported by ambulance. It is not known how often treatment prior to hospital admission is optimal and how optimal pain-relieving treatment is defined. It is often difficult to delineate pain from anxiety.
AIM:
To describe various aspects of chest pain in the pre-hospital setting with the emphasis on a) treatment and b) presumed acute coronary syndrome.
METHODS:
In the literature search, we used PubMed and the appropriate key words. We included randomised clinical trials and observational studies.
RESULTS:
Four types of drug appear to be preferred: 1) narcotic analgesics, 2) nitrates, 3) beta-blockers and 4) benzodiazepines. Among narcotic analgesics, morphine has been associated with the relief of pain at the expense of side-effects. Alfentanil was reported to produce more rapid pain relief. Nitrates have been associated with the relief of pain with few side-effects. Beta-blockers have been reported to increase the relief of pain when added to morphine. The combination of beta-blockers and morphine has been reported to be as effective as beta-blockers alone in pain relief, but this combination therapy was associated with more side-effects. Experience from anxiety-relieving drugs such as benzodiazepines is limited. It is not known how these 4 drugs should be combined. The results indicate that various pain-relieving treatments might modify the disease.
CONCLUSION:
Our knowledge of the optimal treatment of chest pain and associated anxiety in the pre-hospital setting is insufficient. Recommendations from existing guidelines are limited. Large randomised clinical trials are warranted.
AuthorsJohan Herlitz, Angela Bång, Elmir Omerovic, Birgitta Wireklint-Sundström
JournalInternational journal of cardiology (Int J Cardiol) Vol. 149 Issue 2 Pg. 147-151 (Jun 02 2011) ISSN: 1874-1754 [Electronic] Netherlands
PMID21040986 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't, Review)
CopyrightCopyright © 2010 Elsevier Ireland Ltd. All rights reserved.
Topics
  • Acute Coronary Syndrome (complications, psychology, therapy)
  • Anxiety (complications, psychology, therapy)
  • Chest Pain (complications, psychology, therapy)
  • Emergency Medical Services (methods)
  • Humans
  • Treatment Outcome

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