Efficacy and safety of total lymphoid irradiation in different chronic lung allograft dysfunction phenotypes

Abraham André Arturo Geng-Cahuayme, Berta Sáez-Giménez, Manuel Altabas-González, Miriam Vázquez-Varela, Cristina Berastegui-Garcia, Jordi Giralt-López de Sagredo, Marta Zapata-Ortega, Enar Recalde-Vizcay, Manuel López-Meseguer

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Total lymphoid irradiation (TLI) is an alternative treatment for chronic lung allograft dysfunction (CLAD). However, data regarding its efficacy and tolerance are scarce. This study included patients with CLAD treated with TLI at our center between 2011 and 2018. Clinical characteristics before and after TLI and related complications were analyzed. Forty patients with CLAD (twenty-nine bronchiolitis obliterans syndrome [BOS], nine restrictive allograft syndrome [RAS], and two mixed) were included. Significant attenuation of the forced expiratory volume in 1-sec (FEV1 ) decline slope was observed in all phenotypes, in both the BOS and RAS. The median FEV1 12, 6, and 3 months pre-TLI were as follows: 1980 (IQR 1720-2560), 1665 (IQR 1300-2340) and 1300 (IQR 1040-1740) ml (p < .001), while the median FEV1 at 3, 6, and 12 months post-TLI was 1110 (IQR 810-1440), 1130 (IQR 860-1470), and 1115 (IQR 865-1490) ml (p = .769). No dropouts due to radiation toxicity were observed. The mean survival according to the Karnofsky Performance Status Scale (KPS) >70 or ≤70 at baseline was 1837 (IQR 259-2522) versus 298 (IQR 128-554) days (p < .0001), respectively. In conclusion, TLI may stop FEV1 decline in both BOS and RAS. Moreover, a good KPS score may be an important prognostic factor.
Idioma originalInglés
Número de artículoe14891
PublicaciónClinical Transplantation
EstadoPublicada - feb 2023

Palabras clave

  • Allografts
  • Immunology
  • Lung transplantation
  • Organ transplantation
  • Radiotherapy


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