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Published on: November 26, 2013
[Acute myocardial infarction in Mid-Norway: transportation for thrombolytic treatment or primary percutaneous
Hanne Saettem Beltesbrekke1, Mari Bergan Husa, Harald Vik-Mo
1Institutt for sirkulasjon og bildediagnostikk, Norges teknisk-naturvitenskapelige universitet og Hjertemedisinsk avdeling, St. Olavs hospital, 7006 Trondheim, Norway.
Insights
Regional differences in Mid-Norway led to varied treatments for ST-elevation myocardial infarction (STEMI) patients. Primary percutaneous coronary intervention (PCI) was favored over thrombolytic treatment, despite transport times influencing strategy.
Area of Science:
- Cardiology
- Interventional Cardiology
- Emergency Medicine
Context:
- ST-elevation myocardial infarction (STEMI) requires urgent treatment to restore coronary artery blood flow.
- Primary percutaneous coronary intervention (PCI) is the preferred reperfusion strategy when timely. Thrombolytic treatment is a viable alternative for patients with prolonged transport times.
- Treatment decisions for STEMI patients are influenced by symptom onset-to-treatment and transport times.
Purpose:
- To assess the choice of treatment strategy for ST-elevation myocardial infarction (STEMI) patients.
- To analyze how transport times and symptom onset influence the selection between primary PCI and thrombolytic therapy.
Summary:
- A cohort study of 379 STEMI patients in Mid-Norway (2007-2009) revealed significant regional variations in treatment strategies.
- Primary PCI was administered to 71% of patients, while 29% received thrombolytic treatment. Helicopter transport was utilized for 46% of patients.
- The study observed marked differences in the utilization of PCI versus thrombolytic treatment across different counties in Mid-Norway.
Impact:
- Highlights significant regional disparities in STEMI management within Mid-Norway.
- Suggests a need for standardized treatment protocols to ensure equitable care for myocardial infarction patients.
- Informs healthcare providers and policymakers about variations in reperfusion strategies for STEMI.
Background:
Occluded coronary arteries should be opened urgently in patients who have acute myocardial infarction and ST-elevation in ECG. When transport times are long, thrombolytic treatment is a good alternative to primary percutaneous coronary intervention (PCI). The purpose of this study was to assess choice of treatment strategy in cases where time after start of symptoms and transport time are decisive for the outcome.
Material And Methods:
A cohort study of 379 patients, who had myocardial infarction and ST-elevation, and were admitted to St. Olav's Hospital, Trondheim, Norway in the period 1.11.2007-31.1.2009.
Results:
268 patients (71 %) were treated with PCI, and 111 patients (29 %) with thrombolytic treatment. 173 patients (46 %) were transported by helicopter. The counties in Mid-Norway used markedly different treatment strategies for these patients.
Interpretation:
Great regional differences were observed in the use of PCI and thrombolytic treatment in Mid-Norway.
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