Related Experiment Video
Updated: Aug 4, 2026
Cutoff Value of Phase Angle by Bioelectrical Impedance Analysis at Admission as a Prognostic Factor in Patients with Acute Heart Failure
Published on: June 10, 2025
Predictors of length of hospitalization after cardiac surgery
N M Katz1, S W Ahmed, B K Clark
1Department of Surgery, Georgetown University School of Medicine, Washington, DC.
Insights
Predictors of prolonged hospitalization after cardiac surgery were identified. Factors like valve operations, specific age groups, female sex, severe heart failure, and recent myocardial infarction significantly increased hospital stay duration.
Area of Science:
- Cardiology
- Cardiac Surgery
- Health Services Research
Background:
- Postoperative hospitalization length is a key metric in cardiac surgery outcomes.
- Identifying predictors can optimize resource allocation and patient management.
Purpose of the Study:
- To determine factors influencing the length of postoperative hospitalization in cardiac surgery patients.
- To identify predictors of prolonged hospital stay.
Main Methods:
- Retrospective review of a cardiac surgical database from January 1980 to September 1986.
- Analysis of 1,804 surviving operations, examining variables such as operation type, patient demographics, and preoperative conditions.
Main Results:
- The mean length of hospitalization was 10.7 ± 5.6 days.
- Valve operations, younger (<30) and older (>60) age, female sex, NYHA Class IV, urgent operations, recent preoperative myocardial infarction (MI), and diabetes mellitus requiring treatment prolonged hospitalization.
- Major prolongations were observed in the 20-30 and 80-90 year age groups.
Conclusions:
- Several factors significantly predict longer postoperative hospital stays in cardiac surgery.
- Age, specific cardiac conditions, and urgency of surgery are key determinants of hospitalization duration.
- Unexpectedly, body weight and smoking history did not emerge as significant predictors in this cohort.
Abstract:
The cardiac surgical data base at Georgetown University Hospital was reviewed for patients operated on between January 1, 1980, and September 30, 1986, to determine predictors of length of postoperative hospitalization. Mortality among the 1,919 operations was 115 (6%). In the study group of 1,804 operations resulting in survival for at least 30 days, the following factors were analyzed: type of operation, age, sex, New York Heart Association (NYHA) Functional Class, urgency of operation, preoperative myocardial infarction (MI), weight, body surface area, hypertension, diabetes mellitus, previous cardiac operation, smoking history, and family history of cardiac disease. The overall mean length of hospitalization was 10.7 +/- 5.6 days. The analyses indicated that valve operation, age less than 30 and greater than 60 years, female sex, NYHA Class IV, urgent operation, preoperative MI 1 to 4 weeks before operation, and diabetes mellitus requiring medical treatment prolonged hospitalization, but generally by only 2 days. Major prolongation of hospitalization was associated with age in the 20- to 30-year and 80- to 90-year brackets. Unexpectedly, heavy body weight and smoking were not predictive.
Related Concept Videos
01:26Cardiac Catheterization IV: Nursing Management
01:28Cardiomyopathy VII: Pre and Post Operative Nursing Management
01:23Peripheral Artery Disease V: Postoperative Nursing Management
01:22Aneurysm IV: Nursing Management