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Effect of Smoking on Outcomes of Allogeneic Transplantation: A Single-Center Analysis.
Biology of Blood and Marrow Transplantation ( IF 3.599 ) Pub Date : 2020-03-19 , DOI: 10.1016/j.bbmt.2020.03.015
Masaharu Tamaki,Hideki Nakasone,Masakatsu Kawamura,Shunto Kawamura,Junko Takeshita,Nozomu Yoshino,Yukiko Misaki,Kazuki Yoshimura,Shinpei Matsumi,Ayumi Gomyo,Aki Tanihara,Machiko Kusuda,Yu Akahoshi,Koji Kawamura,Shun-Ichi Kimura,Shinichi Kako,Yoshinobu Kanda

Pulmonary complications are fatal adverse events after allogeneic hematopoietic cell transplantation (allo-HCT). On the other hand, smoking is a well-known risk factor for various pulmonary diseases and also increases the incidence of pulmonary complications and overall mortality in allo-HCT recipients. In this study, we retrospectively assessed the impact of smoking intensity on survival outcomes. This study included consecutive allo-HCT recipients at our center between June 2007 and May 2019 whose smoking profiles were available (n = 408); they were divided into high (pack-years >10, n = 171) and low (pack-years ≤10, n = 231) pack-years groups. In univariate analyses, nonrelapse mortality (NRM) and overall survival (OS) were significantly inferior in the high pack-years group (1-year NRM 26.6% versus 13.9%, P < .001; 1-year OS 58.4% versus 70.1%, P = .0067). However, this association was not observed in multivariate analyses. In subgroup analyses according to sex, the survival outcomes in the high pack-years group were significantly inferior in males (NRM hazard ratio [HR], 2.24 [95% confidence interval (CI), 1.23 to 4.07], P = .0082; OS HR, 1.54 [95% CI, 1.04 to 2.28], P = .031), but not in females (NRM HR, 0.587 [95% CI, 0.241 to 1.43], P = .24; OS HR, 0.689 [95% CI, 0.400 to 1.19], P = .18). In summary, high pack-years were associated with inferior survival of allo-HCT recipients, especially in males.
更新日期:2020-03-19

 

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