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Ochronosis with cardiovascular involvement: a case report.

Serpil Bal1, Yasemin Turan, Hikmet Koçyiğit

  • 1Department of Physical Medicine and Rehabilitation, Atatürk Training and Research Hospital, Izmir, Turkey. serpilbal@gmail.com

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|September 28, 2007
PubMed
Summary

This case report describes a patient with ochronosis, a rare genetic condition that leads to the buildup of homogentisic acid. While the condition is known for causing joint pain and pigmentation, this patient also showed signs of cardiovascular involvement. The researchers suggest that ochronosis may affect the heart and blood vessels in some cases. The study used imaging and biochemical tests to confirm the diagnosis and track disease progression. These findings highlight the need for a broader evaluation of patients with ochronosis to detect non-musculoskeletal complications. The authors propose that cardiovascular symptoms should be considered in the clinical management of this condition.

Keywords:
OchronosisCardiovascular diseaseRare genetic disordersHomogentisic acid

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Area of Science:

  • Rare genetic disorders in metabolic medicine
  • Cardiovascular pathology in inherited diseases

Background:

Ochronosis remains a poorly understood condition due to its rarity and variable clinical expression. It is caused by a deficiency in HGA oxidase, leading to the accumulation of homogentisic acid. This buildup affects collagen-rich tissues, causing visible pigmentation and joint damage. While musculoskeletal symptoms are well-documented, the involvement of other systems is less clear. Prior research has shown that the disease can affect the spine and large joints. However, no prior work had resolved the extent of cardiovascular involvement in ochronosis. That uncertainty drove this case study to explore the broader clinical spectrum. This gap motivated the presentation of a patient with emerging cardiovascular signs alongside typical musculoskeletal symptoms.

Purpose Of The Study:

The aim of this case report is to highlight the atypical clinical features of ochronosis. Specifically, the focus is on the patient's cardiovascular involvement, which is rarely described in the literature. The study seeks to expand the understanding of the disease beyond musculoskeletal and dermatological manifestations. The motivation stems from the patient's progressive musculoskeletal pain and the emergence of cardiovascular symptoms. This case offers a rare opportunity to observe the systemic effects of ochronosis. The researchers propose that cardiovascular complications may be underreported in this condition. By presenting this case, the authors aim to raise awareness among clinicians. This report may help in early recognition of non-musculoskeletal complications in similar patients.

Main Methods:

The study involved a single patient with a confirmed diagnosis of ochronosis. Clinical evaluation included musculoskeletal and cardiovascular assessments. Diagnostic tools such as imaging and biochemical tests were used. The patient's medical history was reviewed to identify disease progression. Physical examination focused on signs of pigment accumulation and joint involvement. Cardiovascular symptoms were assessed using standard clinical protocols. The researchers documented the timeline of symptom development. The case was analyzed to determine the relationship between ochronosis and cardiovascular manifestations.

Main Results:

The patient exhibited blue-black pigmentation in collagen tissues and joint pain. Homogentisic acid levels were elevated, confirming the diagnosis. Degenerative disk disease was observed on imaging studies. Cardiovascular involvement was noted through abnormal heart sounds and imaging findings. The patient's symptoms progressed over time, indicating systemic disease. No prior work had resolved the cardiovascular effects in such detail. The researchers propose that the disease may affect heart valves and vessels. These findings suggest a broader clinical spectrum than previously recognized.

Conclusions:

The authors suggest that ochronosis may involve the cardiovascular system in some cases. The case highlights the need for a multidisciplinary approach in managing the condition. The researchers propose that cardiovascular symptoms should be considered in patients with ochronosis. This case adds to the limited literature on non-musculoskeletal manifestations. The findings may help in early detection of complications. The authors suggest further studies to confirm the cardiovascular effects. The report emphasizes the importance of comprehensive evaluation in such patients. These conclusions are based on the clinical observations and diagnostic findings in this case.

The case highlights cardiovascular involvement in a patient with ochronosis, a rare condition typically associated with musculoskeletal symptoms.

Biochemical tests confirmed elevated homogentisic acid levels, and imaging studies showed degenerative disk disease and cardiovascular changes.

It suggests the disease may affect heart valves and vessels, which is rarely reported and could lead to underdiagnosis.

Imaging revealed degenerative disk disease and cardiovascular abnormalities, supporting the diagnosis and monitoring disease progression.

Abnormal heart sounds and imaging findings suggested possible valvular or vascular changes.

They propose a multidisciplinary approach and further studies to better understand cardiovascular effects.