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Novel and Innovative Hybrid Technique for Type A Aortic Dissection
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The Weekend Effect on Outcomes for Type A Aortic Dissection Surgery: A Nationwide Analysis.

Christopher M Van Hove1, Samuel R Harris2, Erik Beckmann3

  • 1Minneapolis Heart Institute at Abbott Northwestern Hospital, Minneapolis, MN 55407, United States.

Interdisciplinary Cardiovascular and Thoracic Surgery
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Summary

Patients admitted with acute Type A aortic dissection (TAAD) on weekends face higher in-hospital mortality. This highlights the critical impact of admission timing on surgical outcomes for this serious condition.

Keywords:
aortic dissectionsurgeryweekend

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Area of Science:

  • Cardiovascular Surgery
  • Thoracic Surgery
  • Aortic Disease Research

Background:

  • Weekend hospital admissions are linked to varied patient outcomes.
  • Acute Type A aortic dissection (TAAD) is a life-threatening surgical emergency.
  • Understanding factors influencing TAAD outcomes is crucial for patient survival.

Purpose of the Study:

  • To investigate if surgical outcomes for acute Type A aortic dissection (TAAD) differ between weekday and weekend admissions.
  • To analyze the impact of admission timing on mortality, procedure timing, length of stay, costs, and readmissions for TAAD patients.

Main Methods:

  • Utilized the Nationwide Readmissions Database for a 5-year period.
  • Included hospitalizations with TAAD as the primary diagnosis undergoing surgery.
  • Compared outcomes between weekday and weekend admission cohorts.

Main Results:

  • Analyzed 14,260 TAAD patients (74.2% weekday, 25.8% weekend admissions).
  • Weekend admissions showed higher in-hospital mortality (17.3% vs. 15.4%, p=0.027).
  • Weekend admissions were associated with increased risk in multivariate analysis; malperfusion was more common.

Conclusions:

  • Weekend admission for TAAD is associated with significantly higher in-hospital mortality.
  • Known TAAD risk factors remain critical, but admission timing also impacts survival.
  • Optimizing care delivery across all admission days is essential for improving TAAD outcomes.