Screening electrocardiograms in psychiatric research: implications for physicians and healthy volunteers

Summary Aims While there is controversy regarding utility of screening electrocardiograms (ECGs) in competitive athletes and children exposed to psychostimulants, there is no data on the use of screening ECGs in psychiatric research. We aimed to examine the prevalence and clinical significance of EC...

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Veröffentlicht in:International journal of clinical practice (Esher) 2014-01, Vol.68 (1), p.117-121
Hauptverfasser: Pavletic, A. J., Pao, M., Pine, D. S., Luckenbaugh, D. A., Rosing, D. R.
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Sprache:eng
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Zusammenfassung:Summary Aims While there is controversy regarding utility of screening electrocardiograms (ECGs) in competitive athletes and children exposed to psychostimulants, there is no data on the use of screening ECGs in psychiatric research. We aimed to examine the prevalence and clinical significance of ECG abnormalities and their impact on eligibility for studies. Methods We analysed 500 consecutive ECG reports from physically healthy volunteers who had a negative cardiac history, normal cardiovascular examination and no other significant medical illnesses. For the purpose of this report, all ECGs were over‐read by one cardiologist. Results The mean age of our cohort was 28.3 ± 8.0 years. A total of 112 (22.4%) ECGs were reported as abnormal (14.2%) or borderline (8.2%). These abnormalities were considered clinically insignificant in all but eight subjects (1.6%) who underwent evaluation with an echocardiogram. All echocardiograms were normal. No subject was excluded from studies. After the over‐reading, no abnormalities or isolated bradycardia were present in 37 of 112 (33%) ECGs that were initially reported as abnormal or borderline, while minor abnormalities were found in 7 of 204 (3.4%) ECGs that were reported as normal. Conclusions Although screening ECGs did not detect significant cardiac pathology or affect eligibility for our studies, over 20% of subjects were labelled as having an abnormal or borderline ECG which was incorrect in one‐third of cases. Strategies to minimise unintended consequences of screening are discussed.
ISSN:1368-5031
1742-1241
DOI:10.1111/ijcp.12218