{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T01:37:48Z","timestamp":1760146668540,"version":"build-2065373602"},"reference-count":21,"publisher":"MDPI AG","issue":"12","license":[{"start":{"date-parts":[[2024,11,25]],"date-time":"2024-11-25T00:00:00Z","timestamp":1732492800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JPM"],"abstract":"<jats:p>Background\/Objectives: Aortic stenosis (AS) is a critical valvular heart disease associated with significant morbidity and mortality if not managed promptly. Previous studies have highlighted the \u201cweekend effect\u201d, where the day of admission impacts outcomes in various cardiac conditions. This study evaluates the impact of weekend versus weekday admissions on outcomes in patients admitted with acutely decompensated aortic stenosis. Methods: We conducted a retrospective cohort study using the National Inpatient Sample database, focusing on patients emergently admitted with decompensated aortic stenosis. Patient outcomes were compared between those admitted on weekends (midnight Friday to midnight Sunday) and weekdays. Results: Among 94,320 patients included, 4537 (4.81%) were admitted on weekends. Weekend admissions were associated with significantly higher mortality (aOR 1.86; 95% CI 1.27\u20132.74) and longer hospital stays (mean increase 3.18 days; p &lt; 0.001) compared to weekday admissions. Complication rates were also higher on weekends, including cardiogenic shock (aOR 2.1; 95% CI 1.54\u20132.87; p &lt; 0.001), acute kidney injury (aOR 2.48; 95% CI 2.09\u20132.94; p &lt; 0.001), and acute respiratory failure (aOR 2.88; 95% CI 2.38\u20133.49; p &lt; 0.001). Additionally, weekend admissions had lower rates of transcatheter aortic valve replacement (TAVR) (aOR 0.49; 95% CI 0.40\u20130.62; p &lt; 0.01) than weekday admissions. Conclusions: Patients with aortic stenosis admitted on weekends face significantly higher mortality, extended hospital stays, and increased complication rates compared to weekday admissions. Transcatheter aortic valve replacement (TAVR) rates were also lower for patients admitted on weekends. The \u201cweekend effect\u201d markedly influences outcomes, underscoring the need for hospital and administrative strategies to mitigate these adverse effects. Implementing standardized protocols and optimizing resource allocation during weekends could potentially reduce mortality and improve patient outcomes, offering a path to more equitable healthcare delivery.<\/jats:p>","DOI":"10.3390\/jpm14121118","type":"journal-article","created":{"date-parts":[[2024,11,25]],"date-time":"2024-11-25T03:59:01Z","timestamp":1732507141000},"page":"1118","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Clinical Impact of Admission Day on Outcomes in Acutely Decompensated Aortic Stenosis: A Nationwide Analysis"],"prefix":"10.3390","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9401-9973","authenticated-orcid":false,"given":"Nahush","family":"Bansal","sequence":"first","affiliation":[{"name":"Department of Internal Medicine, The University of Toledo, Toledo, OH 43606, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6733-2112","authenticated-orcid":false,"given":"Eun Seo","family":"Kwak","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine, The University of Toledo, Toledo, OH 43606, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6361-5692","authenticated-orcid":false,"given":"Mohammad","family":"Alqadi","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine, The University of Toledo, Toledo, OH 43606, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2184-7775","authenticated-orcid":false,"given":"Shuhao","family":"Qiu","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine, The University of Toledo, Toledo, OH 43606, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ragheb","family":"Assaly","sequence":"additional","affiliation":[{"name":"Department of Pulmonary and Critical Care Medicine, The University of Toledo, Toledo, OH 43606, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2024,11,25]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"3515","DOI":"10.1093\/eurheartj\/ehw229","article-title":"Large-scale community echocardiographic screening reveals a major burden of undiagnosed valvular heart disease in older people: The OxVALVE Population Cohort Study","volume":"37","author":"Coffey","year":"2016","journal-title":"Eur. 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