Pre-hospital triage for primary angioplasty: direct referral to the intervention center versus interhospital transport
We sought to study the impact of direct referral to an intervention center after pre-hospital diagnosis of ST-segment elevation myocardial infarction (STEMI) on treatment intervals and outcome. Primary angioplasty has become the preferred reperfusion strategy in STEMI. Ambulance diagnosis and direct...
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| Veröffentlicht in: | JACC. Cardiovascular interventions 2010-07, Vol.3 (7), p.705-711 |
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| creator | Dieker, Hendrik-Jan Liem, Stephan S B El Aidi, Hamza van Grunsven, Pierre Aengevaeren, Wim R M Brouwer, Marc A Verheugt, Freek W A |
| description | We sought to study the impact of direct referral to an intervention center after pre-hospital diagnosis of ST-segment elevation myocardial infarction (STEMI) on treatment intervals and outcome.
Primary angioplasty has become the preferred reperfusion strategy in STEMI. Ambulance diagnosis and direct referral to an intervention center is an attractive treatment option that has not been studied extensively.
Consecutive pre-hospital patients with STEMI, who were referred to our intervention center for primary angioplasty between 2005 and 2007, were studied. After pre-hospital diagnosis, patients were either directly transported to our center or referred through a nonintervention center. The catheterization laboratory was activated before transport to the intervention center.
Of the 581 patients referred, 454 (78%) came with direct transport and 127 (22%) through a nonintervention center. Direct transport was associated with a higher proportion of patients treated within the 90-min time window of the STEMI guidelines: 82% versus 23% (p < 0.01). Patients directly transported had a significantly shorter median symptom-to-balloon time of 149 min (Interquartile range: 118 to 197 min) versus 219 min (interquartile range: 178 to 315 min), p < 0.01, a higher post-procedural Thrombolysis In Myocardial Infarction (TIMI) flow grade 3 rate (92% vs. 84%; p = 0.03), and a lower 1-year mortality rate (7% vs. 13%; p = 0.03). Direct transport to the intervention center was independently associated with the symptom-to-balloon time, which in turn was an independent predictor of post-procedural TIMI flow grade 3, a strong prognosticator of outcome.
After ambulance-based diagnosis of STEMI, direct transport to an intervention center with pre-hospital notification of the catheterization laboratory more than triples the proportion of patients treated within the time window of the guidelines. Time to balloon was an independent predictor of post-procedural TIMI flow grade 3, which underscores the need to reduce treatment delays. |
| doi_str_mv | 10.1016/j.jcin.2010.04.010 |
| format | Article |
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Primary angioplasty has become the preferred reperfusion strategy in STEMI. Ambulance diagnosis and direct referral to an intervention center is an attractive treatment option that has not been studied extensively.
Consecutive pre-hospital patients with STEMI, who were referred to our intervention center for primary angioplasty between 2005 and 2007, were studied. After pre-hospital diagnosis, patients were either directly transported to our center or referred through a nonintervention center. The catheterization laboratory was activated before transport to the intervention center.
Of the 581 patients referred, 454 (78%) came with direct transport and 127 (22%) through a nonintervention center. Direct transport was associated with a higher proportion of patients treated within the 90-min time window of the STEMI guidelines: 82% versus 23% (p < 0.01). Patients directly transported had a significantly shorter median symptom-to-balloon time of 149 min (Interquartile range: 118 to 197 min) versus 219 min (interquartile range: 178 to 315 min), p < 0.01, a higher post-procedural Thrombolysis In Myocardial Infarction (TIMI) flow grade 3 rate (92% vs. 84%; p = 0.03), and a lower 1-year mortality rate (7% vs. 13%; p = 0.03). Direct transport to the intervention center was independently associated with the symptom-to-balloon time, which in turn was an independent predictor of post-procedural TIMI flow grade 3, a strong prognosticator of outcome.
After ambulance-based diagnosis of STEMI, direct transport to an intervention center with pre-hospital notification of the catheterization laboratory more than triples the proportion of patients treated within the time window of the guidelines. Time to balloon was an independent predictor of post-procedural TIMI flow grade 3, which underscores the need to reduce treatment delays.</description><identifier>EISSN: 1876-7605</identifier><identifier>DOI: 10.1016/j.jcin.2010.04.010</identifier><identifier>PMID: 20650431</identifier><language>eng</language><publisher>United States</publisher><subject>Aged ; Ambulances ; Angioplasty, Balloon, Coronary - adverse effects ; Angioplasty, Balloon, Coronary - mortality ; Chi-Square Distribution ; Emergency Medical Services ; Female ; Guideline Adherence ; Health Services Accessibility ; Humans ; Kaplan-Meier Estimate ; Logistic Models ; Male ; Middle Aged ; Myocardial Infarction - diagnosis ; Myocardial Infarction - mortality ; Myocardial Infarction - therapy ; Netherlands ; Patient Care Team ; Patient Transfer ; Practice Guidelines as Topic ; Proportional Hazards Models ; Prospective Studies ; Referral and Consultation ; Residence Characteristics ; Risk Assessment ; Risk Factors ; Time Factors ; Treatment Outcome ; Triage</subject><ispartof>JACC. Cardiovascular interventions, 2010-07, Vol.3 (7), p.705-711</ispartof><rights>Copyright 2010 American College of Cardiology Foundation. Published by Elsevier Inc. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/20650431$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Dieker, Hendrik-Jan</creatorcontrib><creatorcontrib>Liem, Stephan S B</creatorcontrib><creatorcontrib>El Aidi, Hamza</creatorcontrib><creatorcontrib>van Grunsven, Pierre</creatorcontrib><creatorcontrib>Aengevaeren, Wim R M</creatorcontrib><creatorcontrib>Brouwer, Marc A</creatorcontrib><creatorcontrib>Verheugt, Freek W A</creatorcontrib><title>Pre-hospital triage for primary angioplasty: direct referral to the intervention center versus interhospital transport</title><title>JACC. Cardiovascular interventions</title><addtitle>JACC Cardiovasc Interv</addtitle><description>We sought to study the impact of direct referral to an intervention center after pre-hospital diagnosis of ST-segment elevation myocardial infarction (STEMI) on treatment intervals and outcome.
Primary angioplasty has become the preferred reperfusion strategy in STEMI. Ambulance diagnosis and direct referral to an intervention center is an attractive treatment option that has not been studied extensively.
Consecutive pre-hospital patients with STEMI, who were referred to our intervention center for primary angioplasty between 2005 and 2007, were studied. After pre-hospital diagnosis, patients were either directly transported to our center or referred through a nonintervention center. The catheterization laboratory was activated before transport to the intervention center.
Of the 581 patients referred, 454 (78%) came with direct transport and 127 (22%) through a nonintervention center. Direct transport was associated with a higher proportion of patients treated within the 90-min time window of the STEMI guidelines: 82% versus 23% (p < 0.01). Patients directly transported had a significantly shorter median symptom-to-balloon time of 149 min (Interquartile range: 118 to 197 min) versus 219 min (interquartile range: 178 to 315 min), p < 0.01, a higher post-procedural Thrombolysis In Myocardial Infarction (TIMI) flow grade 3 rate (92% vs. 84%; p = 0.03), and a lower 1-year mortality rate (7% vs. 13%; p = 0.03). Direct transport to the intervention center was independently associated with the symptom-to-balloon time, which in turn was an independent predictor of post-procedural TIMI flow grade 3, a strong prognosticator of outcome.
After ambulance-based diagnosis of STEMI, direct transport to an intervention center with pre-hospital notification of the catheterization laboratory more than triples the proportion of patients treated within the time window of the guidelines. Time to balloon was an independent predictor of post-procedural TIMI flow grade 3, which underscores the need to reduce treatment delays.</description><subject>Aged</subject><subject>Ambulances</subject><subject>Angioplasty, Balloon, Coronary - adverse effects</subject><subject>Angioplasty, Balloon, Coronary - mortality</subject><subject>Chi-Square Distribution</subject><subject>Emergency Medical Services</subject><subject>Female</subject><subject>Guideline Adherence</subject><subject>Health Services Accessibility</subject><subject>Humans</subject><subject>Kaplan-Meier Estimate</subject><subject>Logistic Models</subject><subject>Male</subject><subject>Middle Aged</subject><subject>Myocardial Infarction - diagnosis</subject><subject>Myocardial Infarction - mortality</subject><subject>Myocardial Infarction - therapy</subject><subject>Netherlands</subject><subject>Patient Care Team</subject><subject>Patient Transfer</subject><subject>Practice Guidelines as Topic</subject><subject>Proportional Hazards Models</subject><subject>Prospective Studies</subject><subject>Referral and Consultation</subject><subject>Residence Characteristics</subject><subject>Risk Assessment</subject><subject>Risk Factors</subject><subject>Time Factors</subject><subject>Treatment Outcome</subject><subject>Triage</subject><issn>1876-7605</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpNkEtLAzEUhYMgtlb_gAvJztWMeSfjToovKOhC10M6c6dNmSZjkin4721pBVeHe87HgXsQuqGkpISq-025aZwvGdkbRJR7OUNTarQqtCJygi5T2hCiSKXZBZowoiQRnE7R7iNCsQ5pcNn2OEdnV4C7EPEQ3dbGH2z9yoWhtyn_PODWRWgyjtBBjAc-4LwG7HyGuAOfXfC4gcOFdxDTmI7Rv37r0xBivkLnne0TXJ90hr6enz7nr8Xi_eVt_rgoBkZJLipoKQEhKW-NBbMUy5YaZmWnGtJQYKZSRFOuOwtacCOqppJUac2lbBXrFJ-hu2PvEMP3CCnXW5ca6HvrIYyp1sJU2nDF9uTtiRyXW2jr0__131T8FzuzbQk</recordid><startdate>20100701</startdate><enddate>20100701</enddate><creator>Dieker, Hendrik-Jan</creator><creator>Liem, Stephan S B</creator><creator>El Aidi, Hamza</creator><creator>van Grunsven, Pierre</creator><creator>Aengevaeren, Wim R M</creator><creator>Brouwer, Marc A</creator><creator>Verheugt, Freek W A</creator><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>7X8</scope></search><sort><creationdate>20100701</creationdate><title>Pre-hospital triage for primary angioplasty: direct referral to the intervention center versus interhospital transport</title><author>Dieker, Hendrik-Jan ; Liem, Stephan S B ; El Aidi, Hamza ; van Grunsven, Pierre ; Aengevaeren, Wim R M ; Brouwer, Marc A ; Verheugt, Freek W A</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p210t-9ed10e4513d8ae8b4bd182a5f6c0c1e289607137fae743849c951677355d62f63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Aged</topic><topic>Ambulances</topic><topic>Angioplasty, Balloon, Coronary - adverse effects</topic><topic>Angioplasty, Balloon, Coronary - mortality</topic><topic>Chi-Square Distribution</topic><topic>Emergency Medical Services</topic><topic>Female</topic><topic>Guideline Adherence</topic><topic>Health Services Accessibility</topic><topic>Humans</topic><topic>Kaplan-Meier Estimate</topic><topic>Logistic Models</topic><topic>Male</topic><topic>Middle Aged</topic><topic>Myocardial Infarction - diagnosis</topic><topic>Myocardial Infarction - mortality</topic><topic>Myocardial Infarction - therapy</topic><topic>Netherlands</topic><topic>Patient Care Team</topic><topic>Patient Transfer</topic><topic>Practice Guidelines as Topic</topic><topic>Proportional Hazards Models</topic><topic>Prospective Studies</topic><topic>Referral and Consultation</topic><topic>Residence Characteristics</topic><topic>Risk Assessment</topic><topic>Risk Factors</topic><topic>Time Factors</topic><topic>Treatment Outcome</topic><topic>Triage</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Dieker, Hendrik-Jan</creatorcontrib><creatorcontrib>Liem, Stephan S B</creatorcontrib><creatorcontrib>El Aidi, Hamza</creatorcontrib><creatorcontrib>van Grunsven, Pierre</creatorcontrib><creatorcontrib>Aengevaeren, Wim R M</creatorcontrib><creatorcontrib>Brouwer, Marc A</creatorcontrib><creatorcontrib>Verheugt, Freek W A</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>MEDLINE - Academic</collection><jtitle>JACC. 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Cardiovascular interventions</jtitle><addtitle>JACC Cardiovasc Interv</addtitle><date>2010-07-01</date><risdate>2010</risdate><volume>3</volume><issue>7</issue><spage>705</spage><epage>711</epage><pages>705-711</pages><eissn>1876-7605</eissn><abstract>We sought to study the impact of direct referral to an intervention center after pre-hospital diagnosis of ST-segment elevation myocardial infarction (STEMI) on treatment intervals and outcome.
Primary angioplasty has become the preferred reperfusion strategy in STEMI. Ambulance diagnosis and direct referral to an intervention center is an attractive treatment option that has not been studied extensively.
Consecutive pre-hospital patients with STEMI, who were referred to our intervention center for primary angioplasty between 2005 and 2007, were studied. After pre-hospital diagnosis, patients were either directly transported to our center or referred through a nonintervention center. The catheterization laboratory was activated before transport to the intervention center.
Of the 581 patients referred, 454 (78%) came with direct transport and 127 (22%) through a nonintervention center. Direct transport was associated with a higher proportion of patients treated within the 90-min time window of the STEMI guidelines: 82% versus 23% (p < 0.01). Patients directly transported had a significantly shorter median symptom-to-balloon time of 149 min (Interquartile range: 118 to 197 min) versus 219 min (interquartile range: 178 to 315 min), p < 0.01, a higher post-procedural Thrombolysis In Myocardial Infarction (TIMI) flow grade 3 rate (92% vs. 84%; p = 0.03), and a lower 1-year mortality rate (7% vs. 13%; p = 0.03). Direct transport to the intervention center was independently associated with the symptom-to-balloon time, which in turn was an independent predictor of post-procedural TIMI flow grade 3, a strong prognosticator of outcome.
After ambulance-based diagnosis of STEMI, direct transport to an intervention center with pre-hospital notification of the catheterization laboratory more than triples the proportion of patients treated within the time window of the guidelines. Time to balloon was an independent predictor of post-procedural TIMI flow grade 3, which underscores the need to reduce treatment delays.</abstract><cop>United States</cop><pmid>20650431</pmid><doi>10.1016/j.jcin.2010.04.010</doi><tpages>7</tpages></addata></record> |
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| subjects | Aged Ambulances Angioplasty, Balloon, Coronary - adverse effects Angioplasty, Balloon, Coronary - mortality Chi-Square Distribution Emergency Medical Services Female Guideline Adherence Health Services Accessibility Humans Kaplan-Meier Estimate Logistic Models Male Middle Aged Myocardial Infarction - diagnosis Myocardial Infarction - mortality Myocardial Infarction - therapy Netherlands Patient Care Team Patient Transfer Practice Guidelines as Topic Proportional Hazards Models Prospective Studies Referral and Consultation Residence Characteristics Risk Assessment Risk Factors Time Factors Treatment Outcome Triage |
| title | Pre-hospital triage for primary angioplasty: direct referral to the intervention center versus interhospital transport |
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