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Updated: Feb 2, 2026
10:26
A Multicenter MRI Protocol for the Evaluation and Quantification of Deep Vein Thrombosis
Published on: June 2, 2015
17.9K
Postoperative major surgery patients developing silent deep vein thrombosis: A prospective observational study
Michael Pak-Kai Wong1, Zalina Zahari2, Mohd Shafie Abdullah3
1Hospital Universiti Sains Malaysia, Kubang Kerian, Kelantan, Malaysia; Department of Surgery, School of Medical Sciences, Universiti Sains Malaysia (USM), Kubang Kerian, Kelantan, Malaysia.
Summary
This study found no silent deep vein thrombosis (sDVT) in surgical patients. High Caprini risk scores and central venous catheters predicted DVT prophylaxis use.
Area of Science:
- Vascular Surgery
- Thrombosis Research
- Patient Safety
Background:
- Surgical patients face high deep vein thrombosis (DVT) risks.
- Silent deep vein thrombosis (sDVT) incidence and associated factors remain understudied.
- Understanding sDVT is crucial for optimizing prophylaxis strategies.
Purpose of the Study:
- To determine the incidence of sDVT in postoperative patients.
- To identify factors associated with DVT prophylaxis use and Caprini risk scores.
- To investigate the relationship between central venous catheter use and Caprini scores.
Main Methods:
- Prospective observational study of postoperative surgical patients.
- Calculation of Caprini risk-assessment scores.
- Preoperative and postoperative compression ultrasound and duplex venous ultrasonography.
Main Results:
- No instances of sDVT were observed in the study cohort.
- High Caprini risk score group (OR, 8.16) and central venous catheter use (OR, 6.34) significantly predicted DVT prophylaxis.
- Central venous catheter use increased Caprini scores by 4.19 points; age also correlated with higher scores.
Conclusions:
- sDVT was not found in this specific patient population.
- Caprini risk scores and central venous catheter presence are key predictors for DVT prophylaxis.
- Age and central venous catheter use significantly influence Caprini risk scores in surgical patients.
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