结论应用外套管辅助急诊内镜注射硬化剂治疗食管胃静脉曲张出血可提高治疗效率，减少患者负担。
Conclusion Wrapper tube in emergency endoscopy for gastroesophageal varices bleeding can improve therapeutic effect and relieve patients' economic burden.
结论应用外套管辅助急诊内镜注射硬化剂治疗食管胃静脉曲张出血可提高治疗效率，减少患者负担。
Conclusion Wrapper tube in emergency endoscopy for gastroesophageal varices bleeding can improve therapeutic effect and relieve patients' economic burden.
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