Abstract
Background
Liver cirrhosis is the highest risk factor for hepatocellular carcinoma (HCC) worldwide. However, etiological therapy is the only option in cirrhosis patients to decrease the HCC risk. The aim of this study was to explore whether laparoscopic splenectomy and azygoportal disconnection (LSD) decreases the risk of HCC for patients with cirrhotic portal hypertension (CPH).
Methods
Between April 2012 and April 2021, we identified 595 CPH patients in our hepatobiliary pancreatic center who were diagnosed with gastroesophageal variceal bleeding and secondary hypersplenism, and performed a 10-year retrospective follow-up. Inverse probability of treatment weighting (IPTW) was used to adjust for potential confounders, weighted Kaplan–Meier curves and logistic regression to estimate survival and risk differences.
Results
According to the method of therapy, patients were divided into LSD (n = 345) and endoscopic therapy (ET; n = 250) groups. Kaplan–Meier analysis revealed that patients who underwent LSD had higher survival benefit with those who underwent ET (P < 0.001). At the end of the follow-up, ET group was associated with a higher HCC incidence density compared with LSD group (28.1/1000 vs 9.6/1000 person-years; Rate ratio [RR] 2.922, 95% confidence intervals [CI] 1.599–5.338). In addition, logistic regression analyses weighted by IPTW revealed that, compared with ET, LSD was an independent protective predictor of HCC incidence (odds ratio [OR] 0.440, 95% CI 0.316–0.612; P < 0.001).
Conclusions
Considering the better postoperative survival and the ability to prevent HCC in CPH patients with gastroesophageal variceal bleeding and secondary hypersplenism, LSD is worth popularization in situations where liver donors are scarce.
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Acknowledgements
This work was supported by the Scientific Research Subject of Jiangsu Province Health Department (No. H201661) and the Project of Invigorating Health Care through Science, Technology and Education: Jiangsu Provincial Medical Youth Talent (QNRC2016331).
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T-MG: contributed to the study design, collected samples, and drafted the manuscript. JZ: contributed to the study design, collected samples, and assisted in drafting and revising the manuscript. X-XX: contributed to the study design and assisted in drafting and revising the manuscript. S-JJ: contributed to the study design and assisted in drafting and revising the manuscript. J-JQ: contributed to the study design and assisted in drafting and revising the manuscript. CZ: contributed to the study design and assisted in drafting and revising the manuscript. B-HZ: contributed to the study design and assisted in drafting and revising the manuscript. HT: contributed to the study design and assisted in drafting and revising the manuscript. D-SB: contributed to the study design, conducted analysis and interpretation of the data and assisted in drafting and revising the manuscript. G-QJ: contributed to the study design, conducted analysis and interpretation of the data and assisted in drafting and revising the manuscript.
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The study protocol was approved by the Ethics Committee of the Clinical Medical College of Yangzhou University. The Judgement’s reference number is No. 2022ky181.
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Gao, TM., Zhou, J., Xiang, XX. et al. Splenectomy and azygoportal disconnection decreases the risk of hepatocellular carcinoma for cirrhosis patients with portal hypertension bleeding: a 10-year retrospective follow-up study based on the inverse probability of treatment weighting method. J Gastroenterol 58, 503–512 (2023). https://doi.org/10.1007/s00535-023-01982-z
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DOI: https://doi.org/10.1007/s00535-023-01982-z