Key result
Transport by an air ambulance system significantly reduced the time from emergency call to percutaneous coronary intervention compared to ground ambulance (169.6 vs 203.2 minutes) in patients with acute myocardial infarction.
Why the study?
Does a helicopter ambulance system reduce time to treatment and in-hospital mortality in patients with acute myocardial infarction compared to ground ambulance?
Cohort (n=76)
No
Does a helicopter ambulance system reduce time to treatment and in-hospital mortality in patients with acute myocardial infarction compared to ground ambulance?
The use of a doctor helicopter system significantly shortens the time to coronary intervention and may improve in-hospital prognosis for patients with acute myocardial infarction compared to ground ambulance.
Air ambulance was associated with shorter time to PCI in AMI; hypothesis-generating for mortality benefit and requires randomized confirmation.
OBJECTIVE: The aim of this study was to clarify whether a helicopter ambulance system (doctor helicopter system; DHS) could shorten the time interval to coronary intervention in the treatment of patients with acute myocardial infarction (AMI), in comparison with ground ambulance (GA). METHODS: The time from the emergency call to coronary angiography (CAG time) or to percutaneous coronary intervention (PCI time), and the inhospital outcome were evaluated in 76 AMI patients. Twenty patients were transported by DHS, and the other 56 were by GA. RESULTS: Both CAG time and PCI time were significantly shorter in the DHS (98.8+/-29.2 min, and 169.6+/-57.4 min) than those of the GA (126.6+/-48.7 min, and 203.2+/-57.0 min; p<0.05) group. Inhospital mortality was lower in the DHS (5.0%) versus the GA (10.7%) group. CONCLUSION: Use of DHS shortened the time interval to coronary intervention and also improved the inhospital prognosis of AMI patients.
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Hata et al. (2006) conducted a cohort in Acute Myocardial Infarction (n=76). Air ambulance system (doctor helicopter system) vs. Ground ambulance was evaluated on Time from emergency call to percutaneous coronary intervention (PCI time) in minutes (p=<0.05). Transport by an air ambulance system significantly reduced the time from emergency call to percutaneous coronary intervention compared to ground ambulance (169.6 vs 203.2 minutes) in patients with acute myocardial infarction.
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