Contemporary preoperative assessment for colorectal surgery: new insights and developments
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By
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Joyce Ong
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Michael Wylie
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Malcolm G Dunlop
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Nicholas T Ventham
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June 11, 2026
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Clinical Scorecard: Modern Approaches to Preoperative Evaluation in Colorectal Surgery: Recent Advances and Insights
At a Glance
| Category | Detail |
| Condition | Colorectal Surgery |
| Key Mechanisms | Risk stratification, nutritional and frailty assessments, intravenous iron therapy, antibiotic plus bowel cleansing regimens, biomarkers. |
| Target Population | Older and multimorbid patients undergoing major colorectal surgery. |
| Care Setting | Preoperative assessment in surgical settings. |
Key Highlights
- Thorough medical history and physical examination are essential.
- Obesity management strategies include GLP-1 agonists for weight loss.
- Optimising diabetic control is crucial for surgical outcomes.
- Multidisciplinary approaches are necessary for managing comorbidities.
- Enhanced recovery after surgery (ERAS) protocols are being adopted.
Guideline-Based Recommendations
Diagnosis
- Conduct thorough medical history and physical examination.
- Utilize risk scoring systems and biomarkers for risk communication.
Management
- Refer patients with suboptimal diabetes management to specialists.
- Implement weight loss strategies, including GLP-1 agonists.
Monitoring & Follow-up
- Regular HbA1c testing for diabetic patients.
- Monitor modifiable risk factors preoperatively.
Risks
- Obesity is associated with increased surgical complications.
- Delay elective surgery until HbA1c is below 69 mmol/mol (8.5%).
Patient & Prescribing Data
Patients undergoing major colorectal surgery, particularly those with obesity and diabetes.
GLP-1 agonists may facilitate weight loss and improve surgical outcomes.
Clinical Best Practices
- Adopt a multidisciplinary approach for preoperative assessment.
- Educate patients on perioperative techniques to reduce risks.
- Utilize enhanced recovery protocols to improve postoperative outcomes.
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