Conclusion: in angiography to examine the gastrointestinal bleeding, it will be useful to improve the sensitivity and accuracy to combine puck film and DSA.
结论：胃肠道出血的血管造影检查结合应用dsa，可进一步提高病变检出率和诊断正确率。
2
Objective to investigate the clinical value of angiography and radiology interventional therapy in diagnosis and treatment of refractory gastrointestinal bleeding.