The LT-VLA and LT-QOL are free to use and adapt for academic and clinical purposes per the details of their Creative Commons licenses. For industry partners, please contact [email protected] for more information on licensing.
LT-QOL: Lung Transplant Quality of Life
A lung transplant-specific measure of health related quality of life
Singer JP, et al. Development and Preliminary Validation of the Lung Transplant Quality of Life (LT-QOL) Survey. Am J Respir Crit Care Med. 2019 Apr 15.
View Primary Publication here
The LT-QOL survey is available in English, Spanish, and Polish. View survey download options here
LT-FS: Lung Transplant Frailty Scale
An advanced lung disease and transplant-specific physical frailty measure with improved face, constructive, and predictive validity compared to commonly used generic measures of frailty.
Singer JP, et al. Development of the Lung Transplant Frailty Scale (LT-FS). J Heart Lung Transplant. 2023 Feb 20.
View Primary Publication here
View the LT-FS Calculator here
LT-VLA: Lung Transplant Valued Life Activities
A lung transplant specific measure of functioning/physical disability
Singer JP, et al. Development and validation of a lung transplant-specific disability questionnaire. Thorax. 2014 May 1.
View Primary Publication here
The LT-VLA survey is available in English, Spanish, and Polish. View survey download options here
The Fried Frailty Phenotype-DASI Measure
A modification of the Fried Frailty Phenotype measure with improved face, construct, and predictive validity for advanced lung disease, transplant, and survivors of critical illness compared to the original version.
Baldwin MR, Singer JP, et al. Refining Low Physical Activity Measurement Improves Frailty Assessment in Advanced Lung Disease and Survivors of Critical Illness. Ann Am Thorac Soc. 2017 Aug 14.
View Primary Publication here