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Long-term outcomes in patients with restrictive filling following ST-segment elevation myocardial infarction

L Hee1, X Brennan, J Chen

  • 1Cardiology Department, Liverpool Hospital, Sydney, New South Wales, Australia; South Western Sydney Clinical School, The University of NSW, Sydney, New South Wales, Australia.

Internal Medicine Journal
|March 14, 2014
PubMed

Insights

Restrictive filling pattern (RFP) impacts long-term outcomes in ST-segment elevation myocardial infarction (STEMI) survivors. RFP independently predicts cardiac and all-cause mortality five years post-STEMI.

Area of Science:

  • Cardiology
  • Echocardiography
  • Clinical Outcomes Research

Background:

  • ST-segment elevation myocardial infarction (STEMI) is a critical cardiovascular event.
  • Long-term outcomes after STEMI require further investigation.
  • Restrictive filling pattern (RFP) is an echocardiographic finding with prognostic implications.

Purpose of the Study:

  • To evaluate the impact of restrictive filling pattern (RFP) on 5-year outcomes in patients after ST-segment elevation myocardial infarction (STEMI).

Main Methods:

  • A cohort of 100 STEMI patients undergoing percutaneous coronary intervention was studied.
  • Echocardiography was performed within 6 weeks of STEMI diagnosis.
  • Statistical analysis identified determinants of RFP and its predictive value for mortality.

Main Results:

  • Creatinine kinase (CK) levels and left ventricular ejection fraction were independent determinants of RFP.
  • Restrictive filling pattern (RFP) was identified as an independent predictor of mortality.
  • RFP predicted both cardiac and all-cause mortality at a median 5-year follow-up.

Conclusions:

  • Restrictive filling pattern (RFP) is a significant predictor of adverse long-term outcomes in STEMI patients.
  • Echocardiographic assessment of diastolic function, including RFP, is valuable for risk stratification post-STEMI.
  • Further research may explore interventions to mitigate the negative prognostic impact of RFP in STEMI survivors.

Keywords:
ST-segment elevation myocardial infarctiondiastolic dysfunctionrestrictive filling patterntransthoracic echocardiogram

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