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Updated: Sep 5, 2025

Assessment of Open Probability of the Mitochondrial Permeability Transition Pore in the Setting of Coenzyme Q Excess
Published on: June 1, 2022
Expanding the clinical spectrum of primary coenzyme Q10 deficiency type 6: The first case with cardiomyopathy
Lisette Leeuwen1, Charlotte M A Lubout2, Hessel P Nijenhuis3
1Department of Genetics, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.
Insights
Primary Coenzyme Q10 deficiency-6 can present as cardiomyopathy in children. Genetic testing for this condition is crucial for diagnosing pediatric cardiomyopathy and guiding treatment.
Area of Science:
- Biochemistry
- Genetics
- Pediatric Cardiology
Background:
- Primary Coenzyme Q10 (CoQ10) deficiency is a group of inherited metabolic disorders.
- These deficiencies can affect various organs, including the heart.
Observation:
- A 19-month-old child presented with cardiomyopathy as the initial clinical manifestation.
- This presentation was diagnosed as primary Coenzyme Q10 deficiency-6.
Findings:
- This case highlights cardiomyopathy as a potential early symptom of primary CoQ10 deficiency-6.
- The phenotypic spectrum of primary CoQ10 deficiency-6 is expanded by this case.
Implications:
- Genetic testing for primary CoQ10 deficiency should be considered in pediatric patients with cardiomyopathy.
- Early diagnosis through genetic testing can inform and guide therapeutic strategies for CoQ10 deficiency.
Abstract:
We report a 19-month-old patient with cardiomyopathy as the first presenting feature of primary COQ10 deficiency-6. This case expands the phenotypic spectrum of this disorder. Furthermore, it shows that genetic testing for primary COQ10 deficiency should be considered in patients with pediatric-onset cardiomyopathy as it can guide treatment options.
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