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Heart failure in patients with deep vein thrombosis
Gregory Piazza1, Ali Seddighzadeh, Samuel Z Goldhaber
1Cardiovascular Division, Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA. gpiazza@bidmc.harvard.edu <gpiazza@bidmc.harvard.edu>
The American Journal of Cardiology
|March 25, 2008
Summary
Patients with heart failure (HF) face a higher risk of deep vein thrombosis (DVT) due to increased medical acuity, more VTE risk factors, and low prophylaxis rates. This "triple threat" necessitates improved VTE prevention strategies in HF patients.
Area of Science:
- Cardiology
- Vascular Medicine
- Critical Care Medicine
Background:
- Patients with heart failure (HF) are at increased risk for venous thromboembolism (VTE).
- Understanding the specific clinical characteristics and management of HF patients with deep vein thrombosis (DVT) is crucial.
Purpose of the Study:
- To compare the clinical features, VTE prophylaxis, and initial management of DVT in patients with and without a history of HF.
- To identify factors contributing to the vulnerability of HF patients to VTE.
Main Methods:
- Prospective registry of 5,451 consecutive patients with ultrasound-confirmed DVT.
- Comparison of 685 patients with HF against 3,890 patients without HF.
- Analysis of co-morbid conditions, VTE risk factors, and VTE prophylaxis rates.
Main Results:
- HF patients exhibited higher medical acuity, including more neurologic disease, acute lung disease, and acute coronary syndrome.
- HF patients had a greater prevalence of VTE risk factors like immobilization, acute infection, and COPD.
- Only 46% of HF patients who developed DVT received any VTE prophylaxis, compared to an unspecified but presumably higher rate in non-HF patients.
Conclusions:
- The combination of high medical acuity, increased VTE risk factors, and low prophylaxis rates constitutes a significant "triple threat" for HF patients with DVT.
- These findings highlight the urgent need for enhanced VTE prevention and management strategies in heart failure populations.
- Further research into targeted VTE prophylaxis in high-risk HF patients is warranted.
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