Related Experiment Video

Updated: Jul 21, 2026

Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
14:14

Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement

Published on: December 11, 2017

Prediction of operative mortality after valve replacement surgery

F H Edwards1, E D Peterson, L P Coombs

  • 1Division of Cardiothoracic Surgery, University of Florida Health Science Center, Jacksonville 32209-6511, USA. fhe@mediaone.net

Journal of the American College of Cardiology
|November 6, 2001
PubMed

Insights

Statistical models were developed to predict operative mortality for valve replacement surgery. These benchmarks aid in quality assessment for cardiac procedures.

Area of Science:

  • Cardiovascular Surgery
  • Health Services Research
  • Biostatistics

Background:

  • National risk models are established for coronary artery bypass graft (CABG) surgery.
  • No similar risk models exist for heart valve replacement surgery.

Purpose of the Study:

  • Develop national benchmarks for valve replacement surgery.
  • Create statistical risk models for operative mortality.

Main Methods:

  • Utilized the Society of Thoracic Surgeons National Cardiac Surgery Database (1994-1997).
  • Developed two multivariable risk models: isolated valve replacement and combined CABG/valve replacement.
  • Included 49,073 isolated valve replacement patients and 43,463 combined CABG/valve replacement patients.

Main Results:

  • Operative mortality rates: AVR 4.00%, MVR 6.04%, CABG/AVR 6.80%, CABG/MVR 13.29%.
  • Key risk factors identified: emergency procedures, recent infarction, reoperations, and renal failure.
  • Models demonstrated strong predictive accuracy (c-indexes 0.77 and 0.74) and validated prospectively.

Conclusions:

  • Developed accurate statistical models to predict operative mortality after valve replacement.
  • These models provide a national benchmark for quality assessment in valve replacement surgery.
Abstract

More Related Videos

Technique and Patient Selection Criteria of Right Anterior Mini-Thoracotomy for Minimal Access Aortic Valve Replacement08:50

Technique and Patient Selection Criteria of Right Anterior Mini-Thoracotomy for Minimal Access Aortic Valve Replacement

Published on: March 26, 2018

Fully Endoscopic Mitral Valve Repair with Percutaneous Cannulation of Groin Vessels08:12

Fully Endoscopic Mitral Valve Repair with Percutaneous Cannulation of Groin Vessels

Published on: May 26, 2023

Related Concept Videos

Mitral Valve Prolapse II: Assessment and Management01:22

Mitral Valve Prolapse II: Assessment and Management

IntroductionA range of clinical features characterizes Mitral Valve Prolapse (MVP), but it is important to note that many individuals with MVP are asymptomatic and may remain so throughout their lives. For those who do exhibit symptoms, the following are the key clinical features:Palpitations: This is a common symptom where individuals feel an irregular or rapid heartbeat. Palpitations in MVP are often due to arrhythmias such as premature ventricular contractions or supraventricular tachycardia.
Mitral Stenosis III: Medical Management01:26

Mitral Stenosis III: Medical Management

Mitral stenosis, a condition marked by the narrowing of the mitral valve, necessitates an integrated approach for effective management. This approach includes preventative measures, medical therapy, and surgical interventions to reduce symptoms and prevent complications.PreventionPrevention of mitral stenosis primarily focuses on reducing the incidence of bacterial infections, particularly streptococcal infections, which can lead to rheumatic fever and subsequent valvular damage. Timely...
Mitral Stenosis IV: Nursing Management01:27

Mitral Stenosis IV: Nursing Management

A comprehensive nursing assessment is essential for patients with valvular heart disease, which involves any dysfunction of the heart valves that could impact blood flow and overall heart function.Subjective Data Collection:Chief Complaint and Present Illness: Start with the patient's primary concerns, focusing on the onset, duration, and progression of cardiac symptoms such as dyspnea, fatigue, chest pain, and palpitations.Past Medical History: Collect detailed information on any previous...
Cardiomyopathy VII: Pre and Post Operative Nursing Management01:28

Cardiomyopathy VII: Pre and Post Operative Nursing Management

Patients with hypertrophic cardiomyopathy (HCM) and left ventricular outflow tract (LVOT) obstruction who remain symptomatic despite optimal medical therapy may undergo a septal myectomy (Morrow procedure). This procedure involves excising a portion of the hypertrophied septum below the aortic valve using a heart-lung machine to improve blood flow through the LVOT. Effective preoperative and postoperative nursing management ensures successful patient outcomes, minimizes complications, and...
Peripheral Artery Disease V: Postoperative Nursing Management01:23

Peripheral Artery Disease V: Postoperative Nursing Management

During the postoperative period, it is crucial to focus on maintaining circulation, identifying and managing potential complications, and planning for discharge.Nursing AssessmentVital signs monitoring: Regularly monitor vital signs, including blood pressure, heart rate, respiratory rate, and temperature, to detect early signs of complications such as bleeding and infection.Circulation assessment: Monitor pulses, perform Doppler assessments, and check capillary refill, color, temperature, and...
Aneurysm IV: Nursing Management01:22

Aneurysm IV: Nursing Management

Vigilant monitoring for aneurysm rupture is essential for patients undergoing aortic surgery.Preoperative Nursing ManagementContinuously monitor the patient for manifestations of aneurysm rupture, such as pallor, weakness, tachycardia, hypotension, abdominal, back, groin, or periumbilical pain, changes in consciousness, and a pulsating abdominal mass. Regularly assess the patient's peripheral pulses.Instruct the patient to consume a clear liquid diet the day before surgery and administer...