Abstract
Background
Studies have demonstrated that non-acid reflux (NAR) is associated with esophageal squamous cell carcinoma (ESCC). Esophageal dysmotility is associated with NAR but few studies have focused on the esophageal motility of ESCC patients. We explored the relationship between ESCC, NAR and esophageal dysmotility with the aid of multichannel intraluminal impedance and pH (MII-pH) and high-resolution manometry (HRM).
Methods
From Jan 2021 to Oct 2022, 20 patients with superficial ESCC were enrolled as the ESCC group, while 20 age and gender matched individuals without gastroesophageal reflux disease (GERD) symptoms and 20 age and gender matched patients with GERD symptoms were recruited as the control groups. Patients received 24 h MII-pH and HRM procedure before endoscopic submucosal dissection (ESD), and the data were then collected to identify the type of reflux and esophageal dysmotility.
Results
Prevalence of esophageal dysmotility was significantly different among the three groups, 75.0% in the ESCC group, 35.0% in the non-GERD group and 70.0% in the GERD group (P = 0.029). NAR episodes at 15 cm above the lower esophageal sphincter (LES) in the ESCC group were significantly higher than that in the non-GERD group (6.5 (3.5–9.3) vs 1.0 (0.8–4.0), P = 0.001) and were similar with that in the GERD group (6.5 (3.5–9.3) vs 5.5 (3.0–10.5), P > 0.05). NAR episodes at 5 cm above LES was significantly higher in the ESCC group than that in the non-GERD group (38.0 (27.0–60.0) vs 18.0 (11.8–25.8), P = 0.001) and was significantly higher than that in the GERD group (38.0 (27.0–60.0) vs 20.0 (9.8–30.5)), P = 0.010). Prevalence of pathologic non-acid reflux was significantly different among the three groups, 30.0% in the ESCC group, 0.0% in the non-GERD group and 10.0% in the GERD group (P < 0.001).
Conclusion
Our study found NAR and esophageal dysfunction frequently occur in ESCC patients. NAR and esophageal dysmotility may be associated with ESCC.
Clinical trial registration number
ChiCTR2200061456.
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Data availability
All data included in this study are available upon request by contact with the corresponding author.
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Funding
This work was supported in part by the National Natural Science Foundation of China (NSFC) under Grants 82100567and 81770540, in part by the Key Research and Development Projects of Shaanxi Province under Grants 2021sf-135.
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Design: JW, NL, and BQ. Conception: BQ, BZ, and YH. Data extraction: YH and XX. Data analysis and drafting of the manuscript: YH, MW and YZ. Statistical analysis: YH, XJ, and QR.
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Yujie Hao and Mo Wang are equally contributed to this work.
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Hao, Y., Wang, M., Jiang, X. et al. Non-acid reflux and esophageal dysmotility is associated with early esophageal squamous cell carcinoma. J Cancer Res Clin Oncol 149, 8327–8334 (2023). https://doi.org/10.1007/s00432-023-04772-5
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DOI: https://doi.org/10.1007/s00432-023-04772-5