Abstract

To evaluate the efficacy and safety of intra-tunnel dissection using hemostatic forceps and needle-type device for patients with esophageal circumferential lesions (ECLs). Patients with ECLs were enrolled in the study and underwent endoscopic submucosal tunnel dissection (ESTD) or hemostatic forceps-based ESTD (ESFTD). All patients were divided into three subgroups according to longitudinal length of the lesions (LLLs): >8 cm, 4-8 cm and < 4 cm. The clinical data such as gender, age, length of lesions and operating time were collected. A total of 152 patients were included in this study and comprised 80 cases of ESFTD and 72 cases of ESTD. The procedure time was markedly shorter in the ESFTD group than in the ESTD group (P < 0.001). Moreover, ESFTD significantly increased the rate of complete resection and reduced specimen injury in LLLs >8 cm and 4-8 cm subgroup compared with ESTD (P < 0.001), but not in <4 cm subgroup (P > 0.05). The perforation and infection rate were similar in ESFTD and ESTD group (P > 0.05). However, ESFTD effectively decreased the muscular injury rate' the duration of chest pain and the time from endoscopic surgery to first occurrence of esophageal stenosis compared with ESTD group (P < 0.01). ESFTD has better efficacy and safety than ESTD in the treatment of ECLs, especially for large lesions. ESFTD could be recommended for patients with ECLs.

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