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Poster Display session (Friday) (ID 65)
- Event: ELCC 2018
- Type: Poster Display session
- Presentations: 1
- Coordinates: 4/13/2018, 12:30 - 13:00, Hall 1
124P - Cardiac events in stage III non-small cell lung cancer (NSCLC): An attention shift to cardio-oncology collaboration (ID 587)
12:30 - 13:00 | Author(s): A. Schols
Recently it was shown that 15% of stage III NSCLC patients, treated with thoracic radiotherapy in dose-escalated trials, suffer from late cardiac events. However, the prevalence of pre-existent cardiac co-morbidity in daily clinical practice in these patients and the development of cardiac events during follow-up is still unclear. As these patients are treated with curative intent and have a five survival rate 25%, there is need for a study to investigate the development of cardiac events and the relation with pre-existent cardiac co-morbidity.
In this retrospective cohort study a thorough patient file search was carried out in 153 patients diagnosed with stage III NSCLC, treated with (chemo-)radiotherapy between 2006 and 2011 in our center. Primary endpoint was the incidence of pre-existing cardiac comorbidity and relation with the development of serious cardiac events, defined as CTCAE 4.0 grade >2, within five years after a curative treatment with (chemo)radiotherapy. Cardiovascular risk prediction was calculated for each patient according to WHO/ISH, which indicates the 10-year risk of a serious cardiovascular event.
Pre-existing cardiac comorbidity was seen in 46 patients (31.1%) with most frequently myocardial infarct/ coronary artery disease (9.8%) and arrhythmia (7.8%). WHO/ISH cardiovascular risk prediction was > 10% in 60.1% of the patients. Serious cardiac events appeared in 26% of the patients in the second year after treatment (20.3%). Most frequent cardiac events were arrhythmia (9.2%), myocardial infarction (6.5%), congestive heart failure (4.6%) and pericardial effusion (4.6%).Table:Serious cardiac events within subgroups of the study population
Total N = 153 Cardiac history N = 46 No cardiac history N = 102 WHO/ISH Cardiac event risk > 10% N = 78 Cardiac events CTCAE-score > 2 (N/%) 38 (26%) 14 (30%) 24 (23%) 18 (23%) Missing (N) 7 - - - Median time to event 1–2 years (N/%) 17 (11.6%) 6 (13%) 11 (10.8%) 16 (20.5%)
In daily clinical practice 1/3th of patients with stage III NSCLC, treated with (chemo-)radiotherapy, have pre-existing cardiac comorbidity. In addition, 26% develop a serious cardiac event during follow-up, even in patients without cardiac history. Therefor it is important to identify patients at risk in order to prevent these cardiac events.
Clinical trial identification:
Legal entity responsible for the study:
Maastricht University Medical Center
Has not received any funding
D. De Ruysscher: Consulting or advisory role to disclose: Bristol-Myers Squibb I have research funding to disclose: Brsitol-Myers-Squibb (BMS). A-M. Dingemans: Reports other from Roche/Genentech, other from MSD Oncology, other from AstraZeneca, other from Pfizer, other from Lilly, other from Boehringer Ingelheim, other from Bristol-Myers Squibb, other from Clovis Oncology, outside the submitted work. All other authors have declared no conflicts of interest.
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