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. 2021 Dec;51(12):1946-1952.
doi: 10.1007/s00595-021-02285-7. Epub 2021 Apr 11.

Importance of the preoperative prognostic nutritional index score as a predictor of chronic lung allograft dysfunction after lung transplantation: a Japanese single-institution study

Takashi Kanou  1 , Masato Minami  2 , Soichiro Funaki  2 , Naoko Ose  2 , Eriko Fukui  2 , Kenji Kimura  2 , Yasushi Shintani  2
Affiliations

Importance of the preoperative prognostic nutritional index score as a predictor of chronic lung allograft dysfunction after lung transplantation: a Japanese single-institution study

Takashi Kanou et al. Surg Today. 2021 Dec.

Abstract

Purposes: Numerous indicators have been discussed as predictive markers for the incidence of chronic allograft dysfunction (CLAD) after lung transplantation (LTX). The aim of this study was to evaluate whether or not the preoperative prognostic nutrition index (PNI) correlated with the development of CLAD.

Method: This study is a single-center and retrospective cohort study. Forty-six patients underwent cadaveric lung transplantation between 2000 and 2016 at our institution. The primary endpoint of this study was the CLAD-free survival of the patients.

Result: CLAD was diagnosed in 11 patients (23%) during the follow-up period. Potential risk factors included recipient factors, donor factors, number of HLA mismatches, operation-related factors, and preoperative blood test results, including the preoperative PNI. The patients with a higher PNI showed a longer CLAD-free survival after LTX than those with lower values according to univariate and multivariate analyses (p = 0.01, 0.04, respectively). The 5-year CLAD-free survival rates in the higher-PNI patients and lower-PNI patients were 94% and 62%, respectively.

Conclusion: We found that a lower preoperative PNI of the recipient was significantly associated with a higher incidence rate of CLAD. The preoperative PNI may, therefore, be useful as a predictor of the development of CLAD.

Keywords: Chronic allograft dysfunction; Lung transplantation; Nutrition status; Prognosis.

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