Rajesh V Swaminathan1, Sunil V Rao2, Lisa A McCoy2, Luke K Kim3, Robert M Minutello3, S Chiu Wong3, David C Yang3, Paramita Saha-Chaudhuri4, Harsimran S Singh3, Geoffrey Bergman3, Dmitriy N Feldman3. 1. Weill Cornell Medical College, New York-Presbyterian Hospital, Greenberg Division of Cardiology, New York, New York. Electronic address: rvs9001@med.cornell.edu. 2. Duke Clinical Research Institute, Division of Cardiology, Duke University Medical Center, Durham, North Carolina. 3. Weill Cornell Medical College, New York-Presbyterian Hospital, Greenberg Division of Cardiology, New York, New York. 4. Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, Canada.
Abstract
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.
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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