Splenic vein thrombosis after splenectomy: frequency and role of imaging.
OBJECTIVE
To assess the frequency of splenic vein thrombosis (SVT) after splenectomy and its consequences on patient treatment.


METHODS
A group of 183 consecutive patients who underwent splenectomy were evaluated. Of these patients, 119 underwent postoperative ultrasound (US) or computed tomography.


RESULTS
SVT was diagnosed in 13 of 119 patients in the first 2 weeks after surgery. In these 13 patients, splenectomy had been performed for hematologic disorders (n = 12) or trauma (n = 1). Seven of the 13 patients were asymptomatic. After anticoagulant therapy, follow-up US of 12 patients showed resolution of thrombosis with no complications in 10 patients; two patients developed cavernous transformation of the portal vein.


CONCLUSIONS
Since only 65% of patients underwent imaging, the true frequency of SVT could not be determined; however, it occurred in at least 7% of patients who underwent splenectomy. Routine Doppler US should be performed after splenectomy to allow early anticoagulant therapy in patients with SVT.
Petit
P
P
Department of Diagnostic Radiology, Montreal General Hospital, Quebec, Canada.
Bret
P M
PM
Atri
M
M
Hreno
A
A
Casola
G
G
Gianfelice
D
D
D006801:Humans; D013156:Splenectomy / Q000009:adverse effects*; D013162:Splenic Vein / Q000000981:diagnostic imaging; D013927:Thrombosis / Q000000981:diagnostic imaging / Q000209:etiology*; D014057:Tomography, X-Ray Computed; D014463:Ultrasonography