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Surgical Endoscopy

, Volume 32, Issue 7, pp 3364–3372 | Cite as

Comparison between submucosal tunneling endoscopic resection and video-assisted thoracoscopic enucleation for esophageal submucosal tumors originating from the muscularis propria layer: a randomized controlled trial

  • Ningli Chai
  • Chen Du
  • Ying Gao
  • Xiaotong Niu
  • Yaqi Zhai
  • Enqiang Linghu
  • Yang Liu
  • Bo Yang
  • Zhongsheng Lu
  • Zhenjuan Li
  • Xiangdong Wang
  • Ping Tang
Article

Abstract

Background and aims

Surgical resection is considered the first treatment option for submucosal tumors (SMTs) originating from the muscularis propria layer while submucosal tunneling endoscopic resection (STER) is proved to be a safe and effective method for treating SMTs. This study aimed to compare video-assisted thoracoscopic enucleation (VATE) with STER for treating esophageal SMTs.

Methods

Sixty-six patients with small esophageal SMTs were prospectively randomized from July 2014 to December 2015. After exclusion of 8 patients, 58 subjects scheduled for STER or VATE were enrolled. Clinicopathological, endoscopic, and adverse events (AEs) data were collected and analyzed between STER and VATE.

Results

Forty-six males and 12 females with a mean age of 46.1 ± 9.4 years were randomized to the STER (n = 30) and VATE (n = 28) groups, respectively. Demographics and lesion features were similar between the two groups. Median procedure time was shorter in the STER group than the VATE group (44.5 vs. 106.5 min, P < 0.001); cost was lower in the STER group (4499.46 vs. 6137.32 USD, P = 0.010). Median decrease in hemoglobin levels post-procedure was − 1.6 g/L in the STER group and 14.7 g/L after VATE (P = 0.001). Lower postoperative pain scores were found in the STER group compared with the VATE group (2 vs. 4, P < 0.001). No recurrent or residual tumors were found in either group. En bloc resection rates, complete resection rates, hospital times, and post-procedure AEs were similar between two groups. The en bloc resection rates for SMTs < 20.0 mm were 100% in both groups while STER achieved only 71.4% en bloc resection rate for SMTs ≥ 20.0 mm.

Conclusion

STER and VATE are comparably effective for esophageal SMTs; however, STER is superior to VATE with shorter operation time and decreased cost, and seems safer than VATE. STER is recommended for SMTs < 20.0 mm while VATE is recommended for SMTs with a transverse diameter > 35.0 mm.

Clinical trail registration statement: This study is registered at http://www.chictr.org.cn/showproj.aspx?proj=4814. The registration identification number is ChiCTR-TRC-14004759. The registration date is April 30, 2014.

Keywords

Submucosal tunneling endoscopic resection Video-assisted thoracoscopic surgery Submucosal tumor Muscularis propria 

Notes

Acknowledgements

We would like to thank for the following doctors who made an contribution to this study in patients’ follow-up and operative procedures: Xiangyang Chu, Wen Li, Jiangyun Meng, Hong Du and Hongbin Wang.

Funding

This study was supported by research Grants from two Chinese PLA General Hospital Clinical Researches (2012FC-TSYS-3035 and YS201404).

Compliance with ethical standards

Disclosures

Drs. Ningli Chai, Chen Du, Ying Gao, Xiaotong Niu, Yaqi Zhai, Enqiang Linghu, Yang Liu, Bo Yang, Zhongsheng Lu, Zhenjuan Li, Xiangdong Wang, and Ping Tang have no conflicts of interest or financial ties to disclose.

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Department of Gastroenterology and HepatologyChinese PLA General HospitalBeijingPeople’s Republic of China
  2. 2.Department of Thoracic SurgeryChinese PLA General HospitalBeijingPeople’s Republic of China

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