Dataset Information

Safety of early hospital discharge following admission with ST-elevation myocardial infarction treated with percutaneous coronary intervention: a nationwide cohort study.

ABSTRACT:

Background

The Second Primary Angioplasty in Myocardial Infarction (PAMI-II) risk score is recommended by guidelines to identify low-risk patients with ST-elevation myocardial infarction (STEMI) for an early discharge strategy.

Aims

We aimed to assess the safety of early discharge (≤2 days) for low-risk STEMI patients treated with primary percutaneous coronary intervention (PCI).

Methods

Using nationwide data from the SWEDEHEART registry, we identified patients with STEMI treated with primary PCI during the period 2009-2017, of whom 8,092 (26.4%) were identified as low risk with the PAMI-II score. Low-risk patients were stratified according to their length of hospital stay (≤2 days vs >2 days). The primary endpoint was major adverse cardiovascular events (MACE, including death, reinfarction treated with PCI, stroke or heart failure hospitalisation) at one year, assessed using a Cox proportional hazards model with propensity score as well as an inverse probability weighting propensity score of average treatment effect to adjust for confounders.

Results

A total of 1,449 (17.9%) patients were discharged ≤2 days from admission. After adjustment, the one-year MACE rate was not higher for patients discharged at >2 days from admission than for patients discharged ≤2 days (4.3% vs 3.2%; adjusted HR 1.31, 95% confidence interval [CI]: 0.92-1.87, p=0.14), and no difference was observed regarding any of the individual components of the main outcome. Results were consistent across all subgroups with no difference in MACE between early and late discharge patients.

Conclusions

Nationwide observational data suggest that early discharge of low-risk patients with STEMI treated with PCI is not associated with an increase in one-year MACE.

SUBMITTER: Yndigegn T

PROVIDER: S-EPMC9725020 | biostudies-literature | 2022 Jan

REPOSITORIES: biostudies-literature

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Publications

Safety of early hospital discharge following admission with ST-elevation myocardial infarction treated with percutaneous coronary intervention: a nationwide cohort study.

Yndigegn Troels T Gilje Patrik P Dankiewicz Josef J Mokhtari Arash A Isma Nazim N Holmqvist Jasminka J Schiopu Alexandru A Ravn-Fischer Annika A Hofmann Robin R Szummer Karolina K Jernberg Tomas T James Stefan S Gale Chris P CP Fröbert Ole O Mohammad Moman A MA

EuroIntervention : journal of EuroPCR in collaboration with the Working Group on Interventional Cardiology of the European Society of Cardiology 20220101 13

<h4>Background</h4>The Second Primary Angioplasty in Myocardial Infarction (PAMI-II) risk score is recommended by guidelines to identify low-risk patients with ST-elevation myocardial infarction (STEMI) for an early discharge strategy.<h4>Aims</h4>We aimed to assess the safety of early discharge (≤2 days) for low-risk STEMI patients treated with primary percutaneous coronary intervention (PCI).<h4>Methods</h4>Using nationwide data from the SWEDEHEART registry, we identified patients with STEMI t ...[more]

PMID: 34338642

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Project description:Preinfarction angina may act as a clinical surrogate of ischemic preconditioning that may reduce infarct size and improve mortality in the setting of thrombolytic therapy for ST-elevation myocardial infarction. However, the benefits of preinfarction angina in the setting of primary percutaneous coronary intervention with stenting is inconclusive because of the greater achievement of infarct artery patency and speed of reperfusion.To identify a homogeneous population, we performed a retrospective analysis of 1031 patients admitted with a first ST-elevation myocardial infarction with ischemic times between 1 and 6 hours who received primary percutaneous coronary intervention. We identified 245 patients who had occluded arteries on presentation, of which 79 patients had documented preinfarction angina defined as chest pain within 24 hours of infarction. Infarct size was measured as the peak creatine kinase level, a metric supported in a subgroup by late enhancement on cardiac magnetic resonance imaging. Patients with preinfarction angina (n=79) had a 50% reduction in infarct size compared with those patients without preinfarction angina (n=166) by both peak creatine kinase (1094±75 IU/L versus 2270±102 IU/L; P<0.0001) and creatine kinase area under curve (18 420±18 941 versus 36 810±21 741 IU/h per liter; P<0.0001) despite having identical ischemic times (185±8 minutes versus 181±5 minutes; P=0.67) and angiographic area at risk (24.1±1.2% versus 25.3±0.9%; P=0.43). There was an absolute 4% improvement in left ventricular ejection fraction before discharge in those patients with preinfarction angina (P<0.02).The occurrence of preinfarction angina is associated with significant myocardial protection in the setting of primary percutaneous coronary intervention with stenting during ST-elevation myocardial infarction. Because preinfarction angina is relatively common, it is important that these patients be identified in clinical trials investigating therapies designed to reduce reperfusion injury and infarct size.

Project description:BACKGROUND:Patients with ST elevation myocardial infarction have traditionally been hospitalized for five to seven days to monitor for serious complications such as heart failure, arrhythmias, reinfarction and death. The Zwolle primary percutaneous coronary intervention (PCI) index is an externally validated risk score that has been used to identify low-risk primary PCI patients who can safely be discharged from the hospital within 48 h to 72 h. METHODS:The Zwolle score was retrospectively applied to all ST elevation myocardial infarction patients treated with primary PCI between April 2004 and February 2006 at a large Canadian teaching hospital. The goal was to characterize length of stay (LOS) in low-risk patients and to identify variables that correlate with patients who were hospitalized longer than expected. RESULTS:Data were collected on 255 patients. The mean LOS was 7.2+/-7.7 days (median 5.0 days [interquartile range 3.5 days]). A total of 179 patients (70%) had a Zwolle score of 3 or lower, identifying them as low risk. There was one death in the low-risk group (0.6% 30-day mortality) and 15 deaths in the higher-risk group (19.7% 30-day mortality), validating the Zwolle score in the population. A contraindication to early discharge was identified in 34 of the low-risk patients. Among the 144 remaining low-risk patients, the mean LOS was 5.1+/-3.3 days (median 4.0 days [interquartile range 3.0 days]). Only 8% were discharged within 48 h and only 28% within 72 h. It was determined that fewer patients were discharged on weekends and Wednesdays (when medical residents were away for teaching) than on other weekdays. LOS was longer among patients who were discharged on warfarin (7.6 days versus 4.6 days, P=0.006), and among patients who were transferred back to their presenting hospital rather than being discharged directly from the hospital where PCI was performed (5.6 days versus 4.0 days, P<0.001). CONCLUSIONS:Seventy-two per cent of low-risk primary PCI patients were hospitalized longer than 72 h. The following three factors were identified as correlating with prolonged LOS in this population: fewer discharges on days when there was less resident staffing; the use of warfarin at discharge; and transfer of patients back to their presenting hospital rather than discharging them directly from the PCI-performing hospital. A programmed approach to the identification and early discharge of low-risk patients could have significant cost savings and should be investigated prospectively.

Project description:Low level of testosterone may be associated with cardiovascular diseases in men, as some evidence suggests a protective role for testosterone in cardiovascular system. Little is known about the possible role of serum testosterone in response to reperfusion therapy in ST-elevation myocardial infarction (STEMI) and its relationship with ST-segment recovery. The present study was conducted to evaluate the association of serum testosterone levels with ST-segment resolution following primary percutaneous coronary intervention (PPCI) in male patients with acute STEMI.Forty-eight men (mean age 54.55 ± 12.20) with STEMI undergoing PPCI were enrolled prospectively. Single-lead ST segment resolution in the lead with maximum baseline ST-elevation was measured and patients were divided into two groups according to the degree of ST-segment resolution: complete (> or =50%) or incomplete (<50%). The basic and demographic data of all patients, their left ventricular ejection fraction (LVEF) and laboratory findings including serum levels of free testosterone and cardiac enzymes were recorded along with angiographic finding and baseline TIMI (Thrombolysis in Myocardial Infarction) flow and also in-hospital complications and then these variables were compared between two groups.A complete ST-resolution (≥50%) was observed in 72.9% of the patients. The serum levels of free testosterone (P = 0.04), peak cardiac troponin (P = 0.03) were significantly higher and hs-CRP (P = 0.02) were lower in patients with complete ST-resolution compared to those with incomplete ST-resolution. In-hospital complications were observed in 31.2% of patients. The patients with a lower baseline TIMI flow (P = 0.03) and those who developed complications (P = 0.04) had lower levels of free testosterone. A significant positive correlation was observed between the left ventricular function and serum levels of free testosterone (P = 0.01 and r = +0.362).This study suggests that in men with STEMI undergoing PPCI, higher serum levels of testosterone are associated with a better reperfusion response, fewer complications and a better left ventricular function.

Dataset Information

Safety of early hospital discharge following admission with ST-elevation myocardial infarction treated with percutaneous coronary intervention: a nationwide cohort study.

Background

Aims

Methods

Results

Conclusions

Publications

Safety of early hospital discharge following admission with ST-elevation myocardial infarction treated with percutaneous coronary intervention: a nationwide cohort study.

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