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Seliverstov E.I.
Pirogov Russian National Research Medical University;
Pirogov Moscow City Clinical Hospital No. 1
An E.S.
Pirogov Russian National Research Medical University;
Pirogov Moscow City Clinical Hospital No.1
Kuperin A.S.
Pirogov Russian National Research Medical University;
Pirogov Moscow City Clinical Hospital No. 1
Zolotukhin I.A.
Pirogov Russian National Research Medical University;
Pirogov Moscow City Clinical Hospital No. 1
Embolic Risk of Deep Vein Thrombosis is not Related to the Nature of Proximal Clot
Journal: Journal of Venous Disorders. 2024;18(2): 115‑121
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To cite this article:
Rylnikov DV, Seliverstov EI, An ES, Kuperin AS, Lebedev IS, Zolotukhin IA. Embolic Risk of Deep Vein Thrombosis is not Related to the Nature of Proximal Clot. Journal of Venous Disorders.
2024;18(2):115‑121. (In Russ.)
https://doi.org/10.17116/flebo202418021115
Despite clinical guidelines not recognizing floating clots as an absolute indication for surgical prevention of pulmonary embolism (PE), many specialists adhere to active surgical approach in such cases.
To evaluate the incidence of symptomatic PE in patients with proximal embolic (floating) thrombus under standard anticoagulation.
We analyzed patients with proximal venous thrombosis above the femoral vein. The main group (embolic thrombosis) included 60 patients with floating clot length of 9.3±2.3 cm, the control group (non-embolic thrombosis) — 164 patients with floating clot length of 2.2±2.2 cm (p<0.0001). The main endpoint was the incidence of symptomatic PE after onset of anticoagulation. In-hospital mortality and hospital-stay were also assessed.
Patients with embolic thrombosis were younger (59.6±14.7 and 64.9±16.4 years, respectively, p=0.029). Proximal level of thrombosis below the inguinal ligament was found in 49 (81.6%) and 102 (62%) patients, respectively (p=0.006). Mean hospital-stay was 9.2±3.3 and 6.0±1.9 days, respectively (p<0.0001). In-hospital PE occurred in 2 (1.2%) patients of the control group. No PE was observed in the main group (p=0.952). There were no deaths in both groups.
Incidence of symptomatic PE is similar in patients with embolic and non-embolic deep vein thrombosis receiving adequate anticoagulation in accordance with clinical guidelines.
Authors:
Seliverstov E.I.
Pirogov Russian National Research Medical University;
Pirogov Moscow City Clinical Hospital No. 1
An E.S.
Pirogov Russian National Research Medical University;
Pirogov Moscow City Clinical Hospital No.1
Kuperin A.S.
Pirogov Russian National Research Medical University;
Pirogov Moscow City Clinical Hospital No. 1
Zolotukhin I.A.
Pirogov Russian National Research Medical University;
Pirogov Moscow City Clinical Hospital No. 1
Received:
29.03.2024
Accepted:
05.04.2024
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