Research

Hormonal

Testosterone treatment further shortens the QTc interval in males with Klinefelter syndrome.

Testosterone therapy in males with KS may require monitoring of cardiac function due to its effects on QTc interval.

StrongSupportsmedium confidence
QTc was shortest among testosterone (T)-treated males with KS.
INGER NORLYK JØRGENSEN et al. · Pacing and Clinical Electrophysiology · 2015

Why this rating

Based on the case-control study design with matched participants.

Source

Short QTc Interval in Males with Klinefelter Syndrome—Influence of CAG Repeat Length, Body Composition, and Testosterone Replacement Therapy

INGER NORLYK JØRGENSEN et al. · Pacing and Clinical Electrophysiology · 2015

DOI 10.1111/pace.12580

case_control · n=124Cited 53×
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DOI resolved against Crossref · corpus check 2026-06-10

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