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American Journal of Human Genetics logoLink to American Journal of Human Genetics
. 1981 Jan;33(1):77–84.

Cardiac functioning and blood pressure of 47,XYY and 47,XXY men in a double-blind, double-matched population survey.

E Boisen, D R Owen, L Rasmussen, J Sergeant
PMCID: PMC1684878  PMID: 7468595

Abstract

This paper reports the electrocardiogram measures and blood pressure of 12 men with 47,XYY, 14 men with 47,XXY, and 52 matched controls with 46,XY. The abnormal karyotypes were identified in a systematic population search for XYY and XXY men. The subjects and their matched controls were examined in a double-blind fashion. Electrocardiogram measures of 47,XYY and 47,XXY men were found to differ from those of 46,XY controls. The XYYs had longer P-R intervals, shorter QRS complexes, and nonsignificantly longer R-R intervals than their matched controls. The XXYs showed longer R-R intervals and trends for for prolonged P-R intervals and shorter QRS complexes when compared with their controls. Trends toward increased within-group variability in the XYY and XXY groups were observed in five of six variance tests, suggesting that the sex chromosome aneuploids have a cardiac condition anomaly. Blood pressure measures of 47,XYY and 47,XXY men were found not to differ from those of 46,XY men. None of the measures revealed a significant difference between the XYYs and the XXYs.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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