Diagnostic value of D-dimer in screening for deep vein thrombosis after total joint arthroplasty: a meta-analysis
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By
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Xinzhen Ding
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Hubing Wu
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Qionglin Huang
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July 14, 2026
Clinical Scorecard: Evaluating the Diagnostic Role of D-dimer in Detecting Deep Vein Thrombosis Following Total Joint Arthroplasty: A Meta-Analysis
At a Glance
| Category | Detail |
|---|
| Condition | Deep Vein Thrombosis (DVT) |
| Key Mechanisms | D-dimer reflects hypercoagulable state and secondary hyperfibrinolysis. |
| Target Population | Patients undergoing total joint arthroplasty (TJA), including THA and TKA. |
| Care Setting | Postoperative screening for DVT in orthopedic surgery. |
Key Highlights
- Pooled sensitivity of D-dimer for diagnosing DVT after TJA is 0.76.
- Pooled specificity of D-dimer is 0.86.
- D-dimer shows moderate diagnostic potential but is not a standalone diagnostic tool.
- Substantial heterogeneity exists among studies regarding diagnostic cutoff values.
- D-dimer is primarily valuable for ruling out DVT when results are negative.
Guideline-Based Recommendations
Diagnosis
- D-dimer should be considered as part of a risk-stratified screening strategy.
Management
- Use D-dimer in combination with clinical risk assessment models.
Monitoring & Follow-up
- Further prospective studies are needed to validate integrated approaches.
Risks
- Physiological elevation of D-dimer post-surgery may lead to false positives.
Patient & Prescribing Data
Patients post total joint arthroplasty.
D-dimer testing should be interpreted with caution due to variability in specificity.
Clinical Best Practices
- Utilize procedure- and context-specific cutoff values for D-dimer.
- Consider D-dimer results alongside clinical assessments for DVT.
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