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Risk of cancer among cardiologists who frequently perform percutaneous coronary interventions: a population‐based study
Author(s) -
Ho TzuLung,
Shieh ShwnHuey,
Lin ChengLi,
Shen WuChung,
Kao ChiaHung
Publication year - 2016
Publication title -
european journal of clinical investigation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.164
H-Index - 107
eISSN - 1365-2362
pISSN - 0014-2972
DOI - 10.1111/eci.12628
Subject(s) - medicine , cohort , emergency medicine , incidence (geometry) , psychological intervention , population , cohort study , cancer , environmental health , physics , psychiatry , optics
Background Cardiologists who frequently perform percutaneous coronary interventions ( PCI s) are exposed to high levels of radiation; therefore, their risk of cancer may be higher compared with other internists or cardiologists who perform fewer PCI s. Methods Data were obtained from the Taiwan National Health Insurance Research Database for the 2000–2011 period. A cohort of 542 cardiologists was randomly frequency‐matched according to age and sex with four other internists to form a cohort of noncardiologist controls. The incidence of cancer was measured for both cohorts, who were followed up until the end of 2011. Cox proportional hazards models were employed to analyse the risk of cancer between cardiologist and control cohorts. Results In general, the cardiologists did not have a higher risk of cancer compared with the other internists. However, the cardiologists who worked in medical centres or regional hospitals had a higher risk of cancer than did the other internists in the same work settings. Furthermore, the cardiologists working in medical centres or regional hospitals (large hospitals) who performed >15 PCI s per year had a higher risk of cancer than did those working in district hospitals (small hospitals) or clinics who performed ≤15 PCI s per year. Conclusion Cardiologists who frequently perform PCI s have a higher risk of cancer compared with other internists or cardiologists who perform relatively fewer PCI s. Protection from radiation exposure should therefore be emphasized in coronary catheterization laboratories.

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