Related Experiment Video
Updated: Jun 7, 2025

Optimized Management of Endovascular Treatment for Acute Ischemic Stroke
Published on: January 18, 2018
Improving decision-making for timing of surgery for high-risk comorbid patients
Yize I Wan1, Stefano Savonitto2
1William Harvey Research Institute, Queen Mary University of London, London, UK; Acute Critical Care Research Unit, Royal London Hospital, Barts Health NHS Trust, London, UK.
Insights
Patients with prior cardiovascular events face increased risks from elective surgery. An at-risk period of 37 months post-event requires careful consideration for surgical timing to mitigate major adverse cardiovascular events.
Area of Science:
- Cardiovascular Medicine
- Surgical Risk Assessment
- Epidemiology
Background:
- Elective surgery in patients with comorbid conditions necessitates balancing surgical benefits against perioperative risks.
- Pre-existing conditions significantly influence the risk of adverse events and mortality post-surgery.
- Previous studies indicate a link between prior cardiovascular or cerebrovascular events and increased surgical risks.
Discussion:
- A recent study suggests patients with a history of cardiovascular or cerebrovascular events within 10 years of elective surgery face a higher risk of major adverse cardiovascular events (MACE) within one year.
- The findings indicate a potential at-risk period of up to 37 months following a preoperative cardiovascular or cerebrovascular event, during which elective surgery may be associated with elevated MACE risk.
- Caution is advised when interpreting these results due to potential biases from the analytical methods and confounding factors.
Key Insights:
- Timing of elective surgery after a cardiovascular or cerebrovascular event is critical.
- A 37-month window post-event may represent an elevated risk period for major adverse cardiovascular events.
- Individual patient risk stratification is essential for optimal surgical decision-making.
Outlook:
- Further research is needed to validate these findings and refine risk prediction models for surgical patients with cardiovascular disease.
- Development of clinical guidelines incorporating event-specific risk windows could improve patient outcomes.
- Investigating the impact of different types of cardiovascular events and surgical procedures on perioperative risk is warranted.
Abstract:
Deciding the optimal time for surgery in patients with pre-existing comorbid disease is complex. A careful balance of risks is required to weigh up the therapeutic benefits of surgery against an increased risk of perioperative adverse outcomes, whereas the subsequent risk of adverse events and mortality is more dependent on pre-existing conditions. A study in a recent issue of BJA shows that people with a previous cardiovascular or cerebrovascular event within 10 yr of elective surgery were at a higher risk of major adverse cardiovascular events within 1 yr from surgery and that an at-risk period existed if surgery occurred within 37 months of the preoperative event. Before this observation can be used to inform clinical decision-making, caution is needed to interpret these findings because of biases introduced by the analytical approach and potential confounding.
More Related Videos
08:50Technique and Patient Selection Criteria of Right Anterior Mini-Thoracotomy for Minimal Access Aortic Valve Replacement
Published on: March 26, 2018
05:41Left Anterior Descending Coronary Artery Ligation for Ischemia-Reperfusion Research: Model Improvement via Technical Modifications and Quality Control
Published on: December 16, 2022
Related Concept Videos
Psychosurgery
Historical Development of Psychosurgery
In the 1930s, Portuguese neurologist Antonio Egas Moniz introduced a surgical procedure designed...
Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy
Sigmoidoscopy
Sigmoidoscopy is a diagnostic procedure that uses a flexible sigmoidoscope equipped with a light source and camera to examine the rectum and sigmoid colon. The procedure involves inserting the tube through the anus...