Valvular heart disease in patients taking pergolide
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Published on: March 31, 2022
Allison M Pritchett1, John F Morrison, William D Edwards
1Division of Cardiovascular Diseases and Internal Medicine, Mayo Clinic, Rochester, Minn 55905, USA.
Insights
This study investigated a potential link between pergolide and valvular heart disease. Findings suggest pergolide may be associated with heart valve abnormalities, similar to other drug-induced conditions.
Area of Science:
- Cardiology
- Pharmacology
Background:
- Valvular heart disease can arise from various causes, including certain medications.
- Investigating drug-induced valvulopathy is crucial for patient safety.
Observation:
- Three patients presented with severe tricuspid regurgitation and unusual valve morphology.
- Histology revealed fibroproliferative lesions on the valve surfaces.
- These features mimicked known drug-induced valvular diseases.
Findings:
- None of the patients had exposure to known causative agents like ergotamine or fenfluramine.
- All three patients were concurrently taking pergolide.
- The observed valvular abnormalities were consistent with drug-induced valvulopathy.
Implications:
- A potential association between pergolide use and valvular heart disease is suggested.
- Further research is warranted to confirm this link and understand the mechanism.
- This finding may impact clinical practice regarding pergolide prescription and patient monitoring.
Objective:
To determine whether an association exists between pergolide and valvular heart disease.
Patients And Methods:
Three patients with severe, unexplained tricuspid regurgitation were examined at our institution from September 2000 to April 2002. Echocardiography and histology of surgically explanted valves revealed abnormalities suggestive of carcinoid involvement, methysergide or ergotamine treatment, or use of fenfluramine and dexfenfluramine. Carcinoid valvular heart disease was excluded. None of the patients had prior treatment with these drugs. All 3 patients were taking pergolide.
Results:
Of the 3 patients, 2 had predominantly right-sided congestive heart failure. In all 3 patients, echocardiography showed unusual valve morphology, with severe tricuspid valve regurgitation. Significant left-sided valve regurgitation was noted in 2 patients. Histologic analysis revealed surface fibroproliferative lesions with preserved underlying valve architecture.
Conclusion:
The echocardiographic and histopathologic features of these cases are strikingly similar to those associated with carcinoid-, ergot-, and fenfluramine-induced valve disease. An association between pergolide and valvular heart disease may therefore exist.
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