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July 21, 2006British Journal of Sports MedicineOpen Access

Detraining for eight weeks resulted in complete resolution of electrocardiographic and echocardiographic changes, confirming physiological left ventricular hypertrophy rather than hypertrophic cardiomyopathy.

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Why the study?

Does detraining help differentiate physiological left ventricular hypertrophy from hypertrophic cardiomyopathy in an elite adolescent athlete?

Population

17-year-old elite swimmer with electrocardiographic and echocardiographic features highly suggestive of…

Design

Case_report

Follow-up

8 weeks

Key result

Detraining for eight weeks resulted in complete resolution of electrocardiographic and echocardiographic changes, confirming physiological left ventricular hypertrophy rather than hypertrophic cardiomyopathy.

Authors

SBSandeep BasavarajaiahMWMelissa WilsonSJS Junagde

Discussion

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Overview

Detraining may aid differentiation of physiological LVH from HCM in elite athletes; leaves open need for prospective validation.

Key Points

  • This case addresses the challenge of differentiating between physiological left ventricular hypertrophy and hypertrophic cardiomyopathy in elite athletes.
  • Presented a case of a 17-year-old elite swimmer with electrocardiographic and echocardiographic features suggesting HCM.
  • Conducted cardiopulmonary exercise testing to assess peak oxygen consumption.
  • Implemented an eight-week detraining period to observe changes in diagnostic imaging.
  • After eight weeks of detraining, electrocardiographic and echocardiographic abnormalities resolved completely.
  • Indicated physiological LVH rather than hypertrophic cardiomyopathy based on normalized indices.
  • Elevated peak oxygen consumption indicated physiological adaptation rather than pathology.

Study Design

Type

Case Report (n=1)

Structured PICO

Does detraining help differentiate physiological left ventricular hypertrophy from hypertrophic cardiomyopathy in an elite adolescent athlete?

P
Population
A 17-year-old elite swimmer with suspected hypertrophic cardiomyopathy who underwent detraining for 8 weeks to resolve the diagnostic dilemma.
I
Intervention
Detraining for eight weeks
O
Outcome
Resolution of changes seen on electrocardiogram and echocardiogramsurrogate

An 8-week period of detraining can successfully differentiate physiological left ventricular hypertrophy from hypertrophic cardiomyopathy in elite athletes by resolving ECG and echocardiographic abnormalities.

Cite This Study

Basavarajaiah et al. (2006) conducted a case report in Physiological left ventricular hypertrophy vs hypertrophic cardiomyopathy (n=1). Detraining was evaluated on Resolution of electrocardiogram and echocardiogram changes. Detraining for eight weeks resulted in complete resolution of electrocardiographic and echocardiographic changes, confirming physiological left ventricular hypertrophy rather than hypertrophic cardiomyopathy.

synapsesocial.com/papers/6a2116b8eff8306d03c3af98https://doi.org/10.1136/bjsm.2005.024596
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