CR-POSSUM — Colorectal POSSUM
Colorectal-specific POSSUM (Tekkis 2004) predicting operative mortality after colorectal surgery from a physiological score and an operative severity score.
Score interpretation
Predicted in-hospital mortality below 5 % — RCS 2018: not to be regarded as 'low risk'.
→ Standard perioperative care; reassess if the clinical picture changes.
Predicted mortality ≥ 5 % — a high-risk surgical patient (RCS 2018; NELA standards).
→ Consultant surgeon and consultant anaesthetist present; plan postoperative critical care.
Predicted mortality above 25 %.
→ Pre-operative in-person review by consultant surgeon, anaesthetist and critical-care consultant (RCS 2018); shared decision-making.
Interpretation bands for the CR-POSSUM. Apply clinical judgement and local guidance.
References
Related
Curated clinical cross-links plus same-class fallbacks.
- Clavien-Dindo Classification of Surgical ComplicationsRecommendedPostoperative
- Comprehensive Complication Index (CCI)RecommendedComplications
- Ephedrine Hydrochloride 0.5% Nasal Drops · Nasal decongestant — sympathomimetic (perioperative / ENT use)
- Palivizumab · RSV Prophylaxis — Monthly Monoclonal Antibody (High-Risk Infants)
- Cefazolin (Perioperative Burns) · First-Generation Cephalosporin
- Ziprasidone · Atypical Antipsychotic — D2/5-HT2A Antagonist (Low Metabolic Risk)
- Atorvastatin (CKD Cardiovascular Risk) · Cardiovascular Risk in CKD
- Ondansetron (Perioperative) · 5-HT3 Receptor Antagonist (Antiemetic)
- Major Trauma — Primary Survey (ATLS) · ATLS 10th Edition; JRCALC; NICE NG39
- Major Haemorrhage / Massive Transfusion · BCSH; RCOA; RCEM; RCS — BCSH Guidelines
- Burns — TBSA Estimation & Fluid Resuscitation · British Burn Association; EMSB; RCEM 2024
- Lower Gastrointestinal Bleed · NICE; BSG; ACPGBI — Commissioning Guide
- Acute Pancreatitis · NICE; IAP/APA; ACPGBI — CG104
- Hypertrophic Pyloric Stenosis · BAPS / RCPCH
Decision support only — verify against a current formulary, NICE, or your local guideline before clinical use.
