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New onset postoperative atrial fibrillation predicts long-term cardiovascular events after gastrectomy
Sean P Nassoiy1, Robert H Blackwell2, Anai N Kothari3
1Department of Surgery, Loyola University Medical Center, Maywood, IL, USA.
Insights
Postoperative atrial fibrillation after gastrectomy increases cardiovascular event risk within one year. Vigilant monitoring for this arrhythmia is crucial for patient outcomes.
Area of Science:
- Cardiovascular Surgery
- Oncology
- Gastroenterology
Background:
- Transient postoperative atrial fibrillation is linked to future cardiovascular events in noncardiac surgery.
- Long-term cardiovascular effects of postoperative atrial fibrillation following gastrectomy remain unclear.
Purpose of the Study:
- To investigate the long-term cardiovascular event risk associated with postoperative atrial fibrillation in patients undergoing gastrectomy for malignancy.
Main Methods:
- Utilized Healthcare Cost and Utilization Project State Inpatient Databases (2007-2010) for gastrectomy patients.
- Employed propensity score matching for patient cohort comparability.
- Applied Adjusted Kaplan-Meier and Cox proportional hazards models to assess outcomes.
Main Results:
- Patients with postoperative atrial fibrillation exhibited a higher incidence of cardiovascular events within the first year post-surgery.
- Cox proportional hazards regression analysis confirmed a significantly increased risk of cardiovascular events in this patient group.
Conclusions:
- Postoperative atrial fibrillation following gastrectomy for malignancy elevates the risk of cardiovascular events within one year.
- Clinical vigilance in identifying and managing postoperative atrial fibrillation is essential to mitigate cardiovascular morbidity.
Background:
Recent evidence suggests transient postoperative atrial fibrillation leads to future cardiovascular events, even in noncardiac surgery. The long-term effects of postoperative atrial fibrillation in gastrectomy patients are unknown.
Methods:
The Healthcare Cost and Utilization Project State Inpatient Databases identified patients undergoing gastrectomy for malignancy between 2007 and 2010. Patients were matched by propensity scores based on various factors. Adjusted Kaplan-Meier and Cox proportional hazards models assessed the effect of postoperative atrial fibrillation on cardiovascular events.
Results:
A higher incidence of cardiovascular events occurred over the 1st year in patients who developed postoperative atrial fibrillation. Cox proportional hazards regression confirmed an increased risk of cardiovascular events in postoperative atrial fibrillation patients.
Conclusions:
Our results demonstrate that patients undergoing gastrectomy for malignancy who develop postoperative atrial fibrillation are at increased risk of cardiovascular events within 1 year. Physicians should be vigilant in assessing postoperative atrial fibrillation, given the increased risk of cardiovascular morbidity.
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