Evaluation of therapeutic effects and serious complications following endoscopic obliterative therapy with Histoacryl
Takahiro Sato, Katsu Yamazaki
Department of Gastroenterology, Sapporo Kosei General Hospital, Sapporo, Japan
Background and aims: Our aim was to evaluate the utility of endoscopic obliterative therapy with Histoacryl for gastric varices and to investigate the incidence of serious complications.
Methods: Endoscopic obliterative therapy with Histoacryl was performed on 129 gastric variceal patients. Sixty-five patients had cardiofornical varices, and 64 had fundal varices. Forty-five of 129 patients were emergency cases and the other 84 patients were prophylactic cases. Endoscopic therapy was performed under fluoroscopy using 70% Histoacryl (Histoacryl diluted with 5% Lipiodol).
Results: Endoscopic hemostasis of gastric varices was successful in 45/45 (100%) emergency cases. The recurrence rate of gastric varices was 17/120 (14.2%) among patients whose variceal eradication was achieved. Additional treatment was successfully performed in all recurrent cases. The incidence of serious complications was 4/129 (3.1%), including two cases of splenic infarction, one case of pulmonary embolism, and one case of an inflammatory tumor of pancreatic tail. The two patients with splenic infarction improved with conservative medical treatment. The patient with pulmonary embolism showed no respiratory symptoms, and died of liver failure. The patient with the pancreatic tumor, which was diagnosed as an inflammatory tumor, was treated surgically.
Conclusions: Endoscopic obliterative therapy with Histoacryl is a useful and relatively safe method for treatment of bleeding gastric varices. Nonetheless, careful attention must be paid to avoid potentially serious complications.
Keywords: cyanoacrylate, endoscopic obliterative therapy, gastric varices, Histoacryl
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