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Risk factors for post-operative VTE following colorectal surgery: Is caprini score enough?
Anyelin Almanzar1, Sophia L Dahmani2, Sami Shoucair3
1Department of Colorectal Surgery, Medstar Washington Hospital Center, USA.
Background:
Post-operative colorectal venous thromboembolism (VTE) rates range between 1 and 3%. Often, surgeons utilize risk assessment models, like the modified Caprini, to determine need for prophylaxis. However, studies reveal additional unaccounted risk factors like preoperative serum albumin level, perioperative blood transfusion, emergency surgery, and preoperative steroid use.
Methods:
This was a multicenter, retrospective study conducted between January 2021-December 2021. The primary endpoint was to assess the VTE rate within 30 days post-operatively.
Results:
Overall, incidence rate was 1.75%. Of these, 53% underwent urgent/emergent surgery and 60% had perioperative blood transfusions. Twelve patients had a known preoperative serum albumin level, with 66% being less than 3.5 g/dL. Only 30% of patients had a high Caprini risk score. No patient had preoperative steroid use.
Conclusion:
The study suggests considering urgent/emergent surgeries, low preoperative albumin levels, and blood transfusions for enhanced VTE screening and prophylaxis in post-operative colorectal patients.
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