Hospital length of stay and clinical outcomes in older STEMI patients after primary PCI: a report from the National Cardiovascular Data Registry

Rajesh V Swaminathan, Sunil V Rao, Lisa A McCoy, Luke K Kim, Robert M Minutello, S Chiu Wong, David C Yang, Paramita Saha-Chaudhuri, Harsimran S Singh, Geoffrey Bergman, Dmitriy N Feldman
Journal of the American College of Cardiology 2015 March 31, 65 (12): 1161-1171

BACKGROUND: There has been a decline in hospital length of stay (LOS) after primary percutaneous coronary intervention (PPCI) for ST-segment elevation myocardial infarction (STEMI).

OBJECTIVES: The objective of this study was to examine whether shorter LOS is safe for older patients undergoing PPCI for STEMI.

METHODS: The study analyzed patients' characteristics and 30-day outcomes by LOS (short, ≤3 days; medium, 4 to 5 days; long >5 days; where LOS was the discharge date minus the admission date plus 1) among 33,920 patients with STEMI in the linked CathPCI Registry-Centers for Medicare & Medicaid Services dataset who were ≥65 years of age and treated with PPCI from 2004 to 2009.

RESULTS: Percents of patients in each category were as follows: 26.9%, 46.3%, and 26.8% for short, medium, and long LOS, respectively. Patients with a long LOS were generally older, female, and had more comorbidities, including cardiogenic shock and multivessel disease. Patients with a short LOS generally had higher ejection fraction and single-vessel disease. There was no significant difference in 30-day all-cause mortality (hazard ratio [HR]: 1.00; 95% confidence interval [CI]: 0.74 to 1.34) or major adverse cardiac events (MACE) (death, readmission for myocardial infarction, unplanned revascularization: HR: 1.03; 95% CI: 0.86 to 1.25) for medium versus short LOS. There was a significant increase in adjusted mortality (HR: 2.30; 95% CI: 1.72 to 3.07) and MACE (HR: 1.75; 95% CI: 1.44 to 2.12) for long versus short LOS. Patients with a very short LOS (1 to 2 days) had significantly increased 30-day mortality and MACE compared with a 3- to 4-day LOS.

CONCLUSIONS: Patients discharged as early as 48 h after PPCI have outcomes similar to patients who stay in the hospital for 4 to 5 days. Early, but not very early (<48 h), discharge may be safe among selected older patients with STEMI.

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marvin mayorga Garcia

Obviously with more commorbidities and older, more deaths en major adverse cardiac events in pacients with prolonged length of stay


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