Thrombosis research · 2021
Splanchnic vein thrombosis: Clinical manifestations, risk factors, management, and outcomes.
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Kawata Eri, Siew Dou-Anne, Payne James Gordon, Louzada Martha, Kovacs Michael J, Lazo-Langner Alejandro
Аннотация
BACKGROUND: Clinical manifestations and optimal management strategies in patients with splanchnic vein thrombosis (SVT) are not well characterized.
METHODS: We conducted a retrospective cohort study including all newly diagnosed SVT evaluated between January 2007 and December 2018. Efficacy outcome was thrombosis resolution, and safety outcomes included death and occurrence of bleeding.
RESULTS: We included 155 patients with a mean age of 56.2 (18-87). Local risk factors were present in 118 (76.1%) patients and 30 (19.4%) had only systemic/thrombophilia. Local risk factors included abdominal cancers (31%), surgery (20.6%) and liver cirrhosis (19.4%). Thrombophilia screening was conducted in approximately 50% of patients. Factor V Leiden or Prothrombin G20210A mutations were observed in 7.1% of patients whereas 14.4% were JAK2V617F mutation positive. Most common manifestations at onset were abdominal pain (56.1%), whereas 44.6% were incidentally found. Portal vein thrombosis was observed more in primary cases (91.9% vs. 69.5%, p = 0.012). Anticoagulation was used in 93.5% cases. Indefinite anticoagulation was used more frequently in primary SVT (62.2% vs. 41.5%, p = 0.045). Thrombosis resolution and bleeding complications among primary (without local risk factors) and secondary (with local risk factors) SVT were observed in 48.5%, 65%, 8.1%, and 11.9%, respectively with no difference when comparing patients treated with direct oral anticoagulants or warfarin and/or low molecular weight heparin (58% vs. 62%, p = 0.326, 9% vs. 12%, p = 0.518).
CONCLUSIONS: In this cohort anticoagulation resulted in partial or complete thrombosis resolution in a significant proportion of patients with an acceptable bleeding risk regardless local risk factors or type of anticoagulant.
METHODS: We conducted a retrospective cohort study including all newly diagnosed SVT evaluated between January 2007 and December 2018. Efficacy outcome was thrombosis resolution, and safety outcomes included death and occurrence of bleeding.
RESULTS: We included 155 patients with a mean age of 56.2 (18-87). Local risk factors were present in 118 (76.1%) patients and 30 (19.4%) had only systemic/thrombophilia. Local risk factors included abdominal cancers (31%), surgery (20.6%) and liver cirrhosis (19.4%). Thrombophilia screening was conducted in approximately 50% of patients. Factor V Leiden or Prothrombin G20210A mutations were observed in 7.1% of patients whereas 14.4% were JAK2V617F mutation positive. Most common manifestations at onset were abdominal pain (56.1%), whereas 44.6% were incidentally found. Portal vein thrombosis was observed more in primary cases (91.9% vs. 69.5%, p = 0.012). Anticoagulation was used in 93.5% cases. Indefinite anticoagulation was used more frequently in primary SVT (62.2% vs. 41.5%, p = 0.045). Thrombosis resolution and bleeding complications among primary (without local risk factors) and secondary (with local risk factors) SVT were observed in 48.5%, 65%, 8.1%, and 11.9%, respectively with no difference when comparing patients treated with direct oral anticoagulants or warfarin and/or low molecular weight heparin (58% vs. 62%, p = 0.326, 9% vs. 12%, p = 0.518).
CONCLUSIONS: In this cohort anticoagulation resulted in partial or complete thrombosis resolution in a significant proportion of patients with an acceptable bleeding risk regardless local risk factors or type of anticoagulant.