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Related Concept Videos

Coronary Artery Disease V: Interprofessional Care01:27

Coronary Artery Disease V: Interprofessional Care

Interprofessional care for coronary artery disease includes pharmacological therapy and revascularization procedures.Pharmacological therapy for Coronary Artery Disease (CAD) aims to manage symptoms, prevent complications, and improve patient outcomes through various classes of medications:Antiplatelet Agents:Aspirin and Clopidogrel: These medications inhibit platelet aggregation, preventing blood clots, which is crucial for avoiding heart attacks and strokes. Doctors often prescribe these...
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...
Cancer Survival Analysis01:21

Cancer Survival Analysis

Cancer survival analysis focuses on quantifying and interpreting the time from a key starting point, such as diagnosis or the initiation of treatment, to a specific endpoint, such as remission or death. This analysis provides critical insights into treatment effectiveness and factors that influence patient outcomes, helping to shape clinical decisions and guide prognostic evaluations. A cornerstone of oncology research, survival analysis tackles the challenges of skewed, non-normally...
Acute Coronary Syndrome IV: Interprofessional Care01:28

Acute Coronary Syndrome IV: Interprofessional Care

IntroductionThe management of Acute Coronary Syndrome (ACS) aims to minimize myocardial damage, preserve myocardial function, and prevent complications.Initial ManagementInpatient management involves continuous cardiac monitoring, preferably in an ICU, focusing on blood pressure, serum sodium, potassium, and creatinine levels, and urine output. Ongoing pharmacologic management is crucial for stabilizing the patient.Supplemental Oxygen: Administer supplemental oxygen if oxygen saturation is...
Cardiomyopathy V: Interprofessional Care01:29

Cardiomyopathy V: Interprofessional Care

Managing cardiomyopathy involves addressing underlying or precipitating causes, treating heart failure with medications, and implementing dietary changes and a balanced exercise and rest regimen.Lifestyle ModificationsCardiomyopathy patients should adopt a low-sodium diet to reduce fluid retention and manage heart failure. A personalized exercise and rest plan helps maintain physical fitness without overstraining the heart. Avoiding alcohol and tobacco is essential to prevent further damage to...
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...

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Related Experiment Video

Updated: May 23, 2026

Surgical Swine Model of Chronic Cardiac Ischemia Treated by Off-Pump Coronary Artery Bypass Graft Surgery
09:12

Surgical Swine Model of Chronic Cardiac Ischemia Treated by Off-Pump Coronary Artery Bypass Graft Surgery

Published on: March 27, 2018

Does coronary artery bypass surgery improve survival?

Helena Rexius1, Gunnar Brandrup-Wognsen, Rolf Ekroth

  • 1Department of Molecular and Clinical Medicine/Cardiothoracic Surgery, Sahlgrenska University Hospital Göteborg, Sweden.

Scandinavian Cardiovascular Journal : SCJ
|April 18, 2012
PubMed
Summary

Coronary bypass surgery significantly lowers the risk of death in high-risk patients compared to pre-surgery. This survival benefit is most pronounced in those with the highest preoperative risk, suggesting a prognostic gain from the procedure.

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Surgical Porcine Model of Chronic Myocardial Ischemia Treated by Exosome-laden Collagen Patch and Off-pump Coronary Artery Bypass Graft
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Coronary Progenitor Cells and Soluble Biomarkers in Cardiovascular Prognosis after Coronary Angioplasty
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Coronary Progenitor Cells and Soluble Biomarkers in Cardiovascular Prognosis after Coronary Angioplasty

Published on: January 28, 2020

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Surgical Swine Model of Chronic Cardiac Ischemia Treated by Off-Pump Coronary Artery Bypass Graft Surgery
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Surgical Porcine Model of Chronic Myocardial Ischemia Treated by Exosome-laden Collagen Patch and Off-pump Coronary Artery Bypass Graft
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Coronary Progenitor Cells and Soluble Biomarkers in Cardiovascular Prognosis after Coronary Angioplasty
10:03

Coronary Progenitor Cells and Soluble Biomarkers in Cardiovascular Prognosis after Coronary Angioplasty

Published on: January 28, 2020

Area of Science:

  • Cardiovascular Surgery
  • Medical Outcomes Research
  • Public Health

Background:

  • Current guidelines recommend coronary bypass surgery for high-risk patients, but supporting evidence is over 20 years old.
  • Long waiting lists for coronary bypass surgery present a unique opportunity to assess pre- and post-operative mortality risks.
  • A recent cohort is needed to re-evaluate the efficacy of coronary bypass surgery in contemporary high-risk populations.

Purpose of the Study:

  • To test the hypothesis that the risk of death is lower after coronary bypass surgery than before the operation in high-risk patients.
  • To compare mortality risk in high-risk patients during the waiting period for surgery versus the post-operative period.
  • To determine if the prognostic gain from coronary bypass surgery varies based on preoperative risk levels.

Main Methods:

  • Utilized Poisson regression to calculate death hazard functions for patients scheduled for bypass surgery between January 1995 and July 2005.
  • Analyzed mortality risk in two distinct periods: pre-admission (optimal medication) and post-surgery (up to 11 years).
  • Employed multivariable functions incorporating individual risk profiles to calculate the probability of death.

Main Results:

  • Significant differences in hazard functions were observed between pre- and post-surgery periods.
  • Angiographic severity of coronary lesions was associated with a lower risk of death post-surgery.
  • Left ventricular impairment risk decreased post-surgery (beta coefficients -0.0546 vs. -0.0234, p <0.001), while age remained a risk factor.
  • Risk reduction was dependent on preoperative risk, with greater gains in high-risk patients; however, low-risk patients experienced increased risk due to surgical mortality.

Conclusions:

  • Coronary bypass surgery is associated with a lower risk of death compared to the pre-operative state in high-risk patients.
  • The observed benefit is likely due to a prognostic gain achieved through bypass surgery.
  • The magnitude of this gain is greatest in high-risk individuals and minimal or non-existent in low-risk patients.