Determinants and prognostic impact of compliance with guidelines in reperfusion therapy for ST-segment elevation
Sandrine Charpentier1, Christine Sagnes-Raffy, Maxime Cournot
1Departmen of EMergency, Purpan University Hospital, place du Dr-Baylac, 31059 Toulouse, France. charpentier.s@chu-toulouse.fr
Insights
Adhering to ST-segment elevation myocardial infarction (STEMI) reperfusion guidelines improves patient outcomes. Factors like younger age and daytime symptom onset predict guideline compliance, reducing mortality.
Area of Science:
- Cardiology
- Clinical Research
- Public Health
Background:
- Early reperfusion therapy is crucial for reducing mortality in ST-segment elevation myocardial infarction (STEMI) patients.
- Guidelines exist to optimize STEMI management and decrease mortality rates.
Discussion:
- Compliance with STEMI reperfusion guidelines was 61.1% in the ESTIM Midi-Pyrénées registry.
- Factors associated with guideline compliance include younger age (≤75 years), daytime symptom onset, typical ECG findings, and initial medical contact.
Key Insights:
- Guideline-adherent STEMI management was associated with significantly lower 1-month mortality (OR 0.60).
- Predictors of non-compliance were identified, enabling targeted interventions.
Outlook:
- Training programs focused on identified predictors of non-compliance can enhance STEMI patient management.
- Improving guideline adherence is expected to further reduce STEMI-related mortality and improve clinical outcomes.
Background:
Early reperfusion therapy has proven benefit in reducing mortality in patients with ST-segment elevation myocardial infarction (STEMI). Expert guideline committees have defined recommendations to improve the management of patients with STEMI and decrease their mortality rates.
Aims:
To identify predictors of compliance with American College of Cardiology/American Heart Association guidelines for reperfusion therapy in STEMI and to determine the prognostic impact of compliance.
Methods:
ESTIM Midi-Pyrénées was a multidisciplinary, prospective registry in patients with STEMI, conducted between June 2001 and June 2003 in French hospitals. Data were analysed from 1277 patients managed by emergency physicians in the prehospital system or emergency room and/or cardiologists in interventional or non-interventional cardiology departments.
Results:
A revascularization strategy was performed in 89.4% of patients; treatment complied with the guidelines in 61.1% of patients. After multivariable analysis, factors associated with compliance were age less or equal than 75years (odds ratio [OR] 1.56, 95% confidence interval [CI] 1.18-2.08), symptom onset during the day (OR 1.43, 95% CI 1.12-1.82), typical electrocardiographic symptoms of STEMI (OR 3.2, 95% CI 2.19-4.5), and initial medical contact. After adjustment for confounders, 1-month mortality was significantly lower in patients managed according to guideline recommendations (OR 0.60, 95% CI 0.40-0.92).
Conclusion:
A number of factors can be used to identify STEMI patients who are less likely to be managed according to guidelines. Training focused on these factors should improve management and clinical outcomes of STEMI.
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