PT - JOURNAL ARTICLE AU - David Yabar AU - Arturo Navarro AU - Susana Padrones AU - Ramón Palmero AU - Jordi Dorca AU - Samantha Aso TI - Clinical and therapeutic characteristics of patients died due to radiation-induced pneumonitis AID - 10.1183/13993003.congress-2015.PA4835 DP - 2015 Sep 01 TA - European Respiratory Journal PG - PA4835 VI - 46 IP - suppl 59 4099 - http://erj.ersjournals.com/content/46/suppl_59/PA4835.short 4100 - http://erj.ersjournals.com/content/46/suppl_59/PA4835.full SO - Eur Respir J2015 Sep 01; 46 AB - Introduction: The main limitation of radiotherapy (RT) in lung cancer treatment is the radiation-induced lung disease (RILD), with 15% of mortality. The aim to this study is to describe the clinical and therapeutic characteristics of patients died due to RILD and to identify possible factors that may be related to its mortality.Materials and Methods: Case-control study (2013-2014) with 28 patients who received radical chemo-radiotherapy. Cases included 14 patients died due to RILD. Clinical, therapeutic characteristics and pulmonary function were evaluated. The Radiation Theraphy Oncology Group (RTOG) scale was used for its severity.Results: Table nº1 shows demographic and clinical characteristics and pulmonary function . The table nº2 shows characteristics of the treatment .FeaturesControls (n=14)Cases (n=14)p valueAge (years)65,969,90,164Sex (M/F)11/312/20,621Smoking habit13 (92,9%)14 (100%)0,309Arterial hypertension4 (28,6%)8 (57,1%)0,127Diabetes Mellitus3 (21,4%)2 (14,3%)0,622FVC (mL)3134,330600,609FVC (%)89,687,40,767FEV1 (mL)2047,91953,60,467FEV1 (%)75,6730,572Demographic, clinical characteristics and pulmonary function of the 28 patientsFeaturesControls (n=14)Cases (n=14)p valueMean lung dose (Gy)13,818,50,012Maximun lung dose (Gy)67,362,20,061Total lung volume (mL)3451,33235,10,527V5 (%)51,162,50,038V20 (%)23,330,30,045RTOG (0-1)8 (61,5%)00,001RTOG (2-5)5 (38,5%)14 (100%)0,001Characteristics of the treatment of the 28 patientsConclusions: RILD mortality is associated with radiotherapy mean lung dose, V5, V20 and a RTOG score over 2. There was no statistical relevance in pulmonary function and cardiovascular risk factors.