Reduction in STEMI Transfer Times Utilizing a Municipal “911” Ambulance Service

Tennyson, Joseph; Quale, Mark R.

doi:10.1017/s1049023x14000016

Cited by 4 publications

(2 citation statements)

References 26 publications

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“…Similarly, Tennyson et al 27 evaluated the use of the municipal 911 ALS ambulance service compared with a contracted private ambulance service for STEMI IFTs from a single community hospital to a tertiary care center. The authors found that use of the 911 provider reduced both time from notification to ambulance arrival and time from notification to patient arrival in the catheterization laboratory, thereby concluding that use of the 911 provider reduced door‐to‐catheterization times 27. The RACE program emphasized municipal EMS use for IFTs and demonstrated a significant reduction in all treatment time intervals 17, 18, 28…”

Section: Discussionmentioning

confidence: 99%

“…The authors found that use of the 911 provider reduced both time from notification to ambulance arrival and time from notification to patient arrival in the catheterization laboratory, thereby concluding that use of the 911 provider reduced door-to-catheterization times. 27 The RACE program emphasized municipal EMS use for IFTs and demonstrated a significant reduction in all treatment time intervals. 17,18,28 Evaluating the time intervals that contribute to FMC2B time (DIDO, transport, and D2B times), the longest interval was DIDO at the transferring facility.…”

Section: Discussionmentioning

confidence: 99%

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Regional “Call 911” Emergency Department Protocol to Reduce Interfacility Transfer Delay for Patients With ST‐Segment–Elevation Myocardial Infarction

Bosson

Baruch

French

et al. 2017

JAHA

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BackgroundWe evaluated the first‐medical‐contact‐to‐balloon (FMC2B) time after implementation of a “Call 911” protocol for ST‐segment–elevation myocardial infarction (STEMI) interfacility transfers in a regional system.Methods and ResultsThis is a retrospective cohort study of consecutive patients with STEMI requiring interfacility transfer from a STEMI referring hospital, to one of 35 percutaneous coronary intervention‐capable STEMI receiving centers (SRCs). The Call 911 protocol allows the referring physician to activate 911 to transport a patient with STEMI to the nearest SRC for primary percutaneous coronary intervention. Patients with interfacility transfers were identified over a 4‐year period (2011–2014) from a registry to which SRCs report treatment and outcomes for all patients with STEMI transported via 911. The primary outcomes were median FMC2B time and the proportion of patients achieving the 120‐minute goal. FMC2B for primary 911 transports were calculated to serve as a system reference. There were 2471 patients with STEMI transferred to SRCs by 911 transport during the study period, of whom 1942 (79%) had emergent coronary angiography and 1410 (73%) received percutaneous coronary intervention. The median age was 61 years (interquartile range [IQR] 52–71) and 73% were men. The median FMC2B time was 111 minutes (IQR 88–153) with 56% of patients meeting the 120‐minute goal. The median STEMI referring hospital door‐in‐door‐out time was 53 minutes (IQR 37–89), emergency medical services transport time was 9 minutes (IQR 7–12), and SRC door‐to‐balloon time was 44 minutes (IQR 32–60). For primary 911 patients (N=4827), the median FMC2B time was 81 minutes (IQR 67–97).ConclusionsUsing a Call 911 protocol in this regional cardiac care system, patients with STEMI requiring interfacility transfers had a median FMC2B time of 111 minutes, with 56% meeting the 120‐minute goal.

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