Coronary angioplasty and cancer risk: a population-based cohort study in Sweden

Percutaneous transluminal coronary angioplasty (PTCA) has become the reperfusion method of choice in patients with coronary artery disease. This sometimes complicated and lengthy procedure is performed using fluoroscopy and cineradiography or digital imaging, which may result in considerable exposur...

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Bibliographic Details
Published in:Cardiovascular and interventional radiology 2005-01, Vol.28 (1), p.36-38
Main Authors: Lambe, M, Hall, P, Granath, F, Sadr Azodi, O, Nilsson, T
Format: Article
Language:English
Subjects:
Aged
Angioplasty
Angioplasty, Balloon, Coronary
Cancer
Cardiovascular disease
Cohort Studies
CORONARIES
Digital imaging
Female
FLUOROSCOPY
HEALTH HAZARDS
Humans
IONIZING RADIATIONS
LEUKEMIA
LUNGS
Male
Middle Aged
Neoplasms, Radiation-Induced - epidemiology
PATIENTS
Radiography, Interventional - adverse effects
RADIOLOGY AND NUCLEAR MEDICINE
Registries
Risk
Sweden - epidemiology
THYROID
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Summary:Percutaneous transluminal coronary angioplasty (PTCA) has become the reperfusion method of choice in patients with coronary artery disease. This sometimes complicated and lengthy procedure is performed using fluoroscopy and cineradiography or digital imaging, which may result in considerable exposure to ionizing radiation. Possible cancer risks in PTCA patients have been discussed, but never before examined in a population-based setting. To assess the cancer risks following PTCA. A cohort study was carried out based on nationwide registration of all coronary angioplasty procedures in Sweden between 1989 and 1998. The study encompassed a total of 23,097 PTCA patients followed up for cancer outcomes in the Swedish Cancer Register until December 31, 2000. The mean and median follow-up times were 4.8 and 4.5 years, respectively. The main outcome measures were standardized incidence ratios of cancer. Except for a transient excess of lung cancers, observed number of cancers in patients who had undergone coronary angioplasty did not differ from those expected in the general population. If anything, the overall cancer risk was lower in the PTCA group (SIR 0.94; 95% CI 0.88-0.99). In particular, no increased risks were detected for leukemias or thyroid cancer. There was no indication of increased risks of leukemia or cancers overall in PTCA patients.
ISSN:0174-1551
1432-086X
DOI:10.1007/s00270-004-0059-8