MedStar Authors catalog › Details for: Use of emergency medical services expedites in-hospital care processes in patients presenting with ST-segment elevation myocardial infarction undergoing primary percutaneous coronary intervention.
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Use of emergency medical services expedites in-hospital care processes in patients presenting with ST-segment elevation myocardial infarction undergoing primary percutaneous coronary intervention.

by Loh, Joshua P; Satler, Lowell F; Pendyala, Lakshmana K; Minha, Sa'ar; Frohna, William J; Torguson, Rebecca; Chen, Fang; Suddath, William O; Pichard, Augusto D; Waksman, Ron.
Citation: Cardiovascular Revascularization Medicine. 15(4):219-25, 2014 Jun..Journal: Cardiovascular revascularization medicine : including molecular interventions.ISSN: 1878-0938.Full author list: Loh JP; Satler LF; Pendyala LK; Minha S; Frohna WJ; Torguson R; Chen F; Suddath WO; Pichard AD; Waksman R.UI/PMID: 24952684.Subject(s): Adult | After-Hours Care/ut [Utilization] | Aged | Chi-Square Distribution | District of Columbia | *Emergency Service, Hospital/ut [Utilization] | Female | Humans | Logistic Models | Male | Middle Aged | Multivariate Analysis | Myocardial Infarction/di [Diagnosis] | *Myocardial Infarction/th [Therapy] | Odds Ratio | *Outcome and Process Assessment (Health Care) | Patient Admission | *Percutaneous Coronary Intervention | Retrospective Studies | Time Factors | *Time-to-Treatment | *Transportation of Patients/ut [Utilization]Institution(s): MedStar Heart & Vascular InstituteActivity type: Journal Article.Online resources: Click here to access online Digital Object Identifier: http://dx.doi.org/10.1016/j.carrev.2014.03.011 (Click here) Abbreviated citation: Cardiovasc Revasc Med. 15(4):219-25, 2014 Jun.Local Holdings: Available in print through MWHC library: 2002 - present.Abstract: To determine whether door-to-balloon (DTB) times of patients presenting with ST-elevation myocardial infarction (STEMI) were reduced in patients transported by emergency medical services (EMS) compared to those who were self-transported. DTB time is an important measure of hospital care processes in STEMI. Use of EMS may expedite in-hospital processing and reduce DTB times. A total of 309 consecutive STEMI patients who underwent primary percutaneous coronary intervention in our institution were analyzed. Excluded were patients who received fibrinolytics, presented in cardiac arrest, were intubated, or were transferred from another hospital. EMS-transported patients (n=83) were compared to self-transported patients (n=226). The primary outcome measure was DTB time and its component time intervals. Secondary end points included symptom-to-door and symptom-to-balloon times, and correlates for DTB >90 minutes. A higher percentage of EMS-transported patients reached the time goal of DTB <90 minutes compared to self-transported patients (83.1 versus 54.3%; p<0.001). EMS-transported patients had shorter DTB times [median (IQR) minutes, 65 (50-86) versus 85 (61-126); p<0.001] due to a reduction of emergency department processing (door-to-call) time, whereas catheterization laboratory processing (call-to-balloon) times were similar in both groups. EMS-transported patients had shorter symptom-to-door [median (IQR) hours, 1.2 (0.8-3.5) versus 2.3 (1.2-7.5); p<0.001] and symptom-to-balloon [median (IQR) hours, 2.5 (1.9-4.7) versus 4.3 (2.6-9.1); p<0.001]. Independent correlates of DTB times >90 minutes were self-transport (odds ratio 5.32, 95% CI 2.65-10.70; p<0.001) and off-hours presentation (odds ratio 2.89, 95% CI 1.60-5.22; p<0.001). Use of EMS transport in STEMI patients significantly shortens time to reperfusion, primarily by expediting emergency department processes. Community education efforts should focus not only on the importance of recognizing symptoms of myocardial infarction, but also taking early action by calling the EMS.Copyright � 2014. Published by Elsevier Inc.

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