Challenges in Retrospective Analysis of PCI Data in Critically Ill Patients

We read with great interest the paper by Mylotte et al. [(1)][1] in JACC: Cardiovascular Interventions , which reports the efficacy of multivessel primary percutaneous coronary intervention (MV-PCI) and compares it with that of culprit-only PCI in patients with ST-segment elevation myocardial