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Chinese Journal of Interventional Radiology(Electronic Edition) ›› 2026, Vol. 14 ›› Issue (01): 12-19. doi: 10.3877/cma.j.issn.2095-5782.2026.01.002

• Article • Previous Articles    

Correlation between Low Adjusted Body Mass Index and Prognosis of Transjugular Intrahepatic Portosystemic Shunt in Patients with Portal Hypertension

Li Dong1,2, Yonghui Zhang1, Delei Cheng1, Chunze Zhou1, Liang Yin1, Chengwen Hu2,3,()   

  1. 1 Department of Interventional Radiology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230001, China
    2 School of Nursing, Anhui Medical University, Hefei 230032, China
    3 Department of Nursing, West District of the First Affiliated Hospital of University of Science and Technology of China (Anhui Provincial Cancer Hospital), Hefei 230031, China
  • Received:2025-08-09 Online:2026-02-25 Published:2026-04-16
  • Contact: Chengwen Hu

Abstract:

Objective

To investigate the correlation between low adjusted body mass index (BMI) and the prognosis of patients with portal hypertension undergoing transjugular intrahepatic portosystemic shunt (TIPS).

Methods

A retrospective analysis was conducted on 157 patients with portal hypertension who underwent TIPS at the First Affiliated Hospital of University of Science and Technology of China from March 2019 to December 2022. Based on pre-procedure BMI adjusted for ascites (mild: -5%, moderate: -10%, severe: -15%, plus an additional -5% for peripheral edema), patients were divided into a malnutrition group (M group, adjusted BMI < 18.5 kg/m2, n=79) and a non-malnutrition group (nM group, n=78). Postoperative incidence of hepatic encephalopathy (HE) and survival rates were compared. The median follow-up was 39 months (range: 15–60 months).

Results

Within one year after TIPS, the M group showed a significantly higher incidence of overall HE (43.00% vs. 21.80%, χ2= 8.864, P=0.003) and overt HE (25.30% vs. 9.60%, χ2= 6.305, P=0.012) compared to the nM group. No significant difference was found in the incidence of covert HE (22.80% vs. 13.30%, P=0.098). At the end of follow-up, the survival rate in the M group was significantly lower than in the nM group (77.60% vs. 80.80%, χ2= 4.706, P=0.030).

Conclusion

Malnutrition, defined by adjusted BMI<18.5 kg/m2, occurred in 50.32% of patients undergoing TIPS for portal hypertension. Malnutrition could increase the risk of post-procedure HE and reduce survival, serving as an independent risk factor for TIPS prognosis.

Key words: Adjusted Body Mass Index, Liver Cirrhosis, Portal Hypertension, Transjugular Intrahepatic Portosystemic Shunt, Survival Rate

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