Author
Listed:
- Marjorie Canu
- Charles Khouri
- Stéphanie Marliere
- Estelle Vautrin
- Nicolas Piliero
- Olivier Ormezzano
- Bernard Bertrand
- Hélène Bouvaist
- Laurent Riou
- Loic Djaileb
- Clémence Charlon
- Gerald Vanzetto
- Matthieu Roustit
- Gilles Barone-Rochette
Abstract
Coronary microvascular dysfunction (CMVD) is common and associated with poorer outcomes in patients with ST Segment Elevation Myocardial Infarction (STEMI). The index of microcirculatory resistance (IMR) and the index of hyperemic microvascular resistance (HMR) are both invasive indexes of microvascular resistance proposed for the diagnosis of severe CMVD after primary percutaneous coronary intervention (pPCI). However, these indexes are not routinely assessed in STEMI patients. Our main objective was to clarify the association between IMR or HMR and long-term major adverse cardiovascular events (MACE), through a systematic review and meta-analysis of observational studies. We searched Medline, PubMed, and Google Scholar for studies published in English until December 2020. The primary outcome was a composite of cardiovascular death, non-cardiovascular death, non-fatal myocardial infarction, non-fatal stroke, and rehospitalization for heart failure occurring after at least 6 months following CMVD assessment. We identified 6 studies, reporting outcomes in 1094 patients (mean age 59.7 ± 11.4 years; 18.2% of patients were women) followed-up from 6 months to 7 years. Severe CMVD, defined as IMR > 40 mmHg or HMR > 3mmHg/cm/sec was associated with MACE with a pooled HR of 3.42 [2.45; 4.79]. Severe CMVD is associated with an increased risk of long-term adverse cardiovascular events in patients with STEMI. Our results suggest that IMR and HMR are useful for the early identification of severe CMVD in patients with STEMI after PCI, and represent powerful prognostic assessments as well as new therapeutic targets for clinical intervention.
Suggested Citation
Marjorie Canu & Charles Khouri & Stéphanie Marliere & Estelle Vautrin & Nicolas Piliero & Olivier Ormezzano & Bernard Bertrand & Hélène Bouvaist & Laurent Riou & Loic Djaileb & Clémence Charlon & Gera, 2022.
"Prognostic significance of severe coronary microvascular dysfunction post-PCI in patients with STEMI: A systematic review and meta-analysis,"
PLOS ONE, Public Library of Science, vol. 17(5), pages 1-13, May.
Handle:
RePEc:plo:pone00:0268330
DOI: 10.1371/journal.pone.0268330
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