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Clinic analysis for DSA diagnosis and interventional therapy of obscure gastrointestinal bleeding

WU Kan-hua;SUN Rong-yue;SONG Tian;Radiology Department of Huadong Hospital;  
Objective To explore clinic effect of applying digital subtraction angiography(DSA) and interventional therapy for obscure gastrointestinal bleeding(OGIB).Methods 117 cases of patients with OGIB in our hospital were selected as research objectives and were divided into two groups according to interventional therapies.Observation group(72 cases) received endovascular embolization,while control group(45 cases) received drug perfusion treatment.Recorded the positive rate of DSA diagnosis.The clinical efficacy,adverse reaction and recurrence rate within 6 months were compared between the 2groups.Results Bases on DSA examination result,among 117 cases,54 cases show direct sign,while 47 cases show indirect sign,the positive rate is 86.3%(101/117) according to diagnosis.The total effective rate of the observation group was 94.4%,which was significant higher than that of control group's 77.8%(P 0.01).The adverse reaction rate of the observation group was 13.9%,and that of the control group was 13.3%.There was no significant difference between the 2 groups(P 0.05).Follow up for 6 month,The recurrence rate of observation group was 4.2%,which was significant lower than control team's 15.6%(P 0.05).Conclusion DSA applied to OGIB has high diagnosis value and interventional therapy with embolization is more rapid hemostasis,reduce recurrence rate.The curative effect is remarkable,safe and reliable,so it is worthy of deeper clinical research.
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