Rehan Ahmad, Haq Nawaz, Hassan Shahzad Nazar, Sarfraz Ahmad, Aftab Rabbani, Basharat Ahmed


Background: Tricuspid regurgitation (TR) is regarded as a secondary disorder. Aim of the study was
to know what percentage is secondary to heart and lung disease and its prevalence in normal adults.
Methods: Two hundred and 30 adults with clinically detectable TR were studied clinically to know the
cause of TR. Results: Thirteen percent of the adults were normal without any detectable cause for TR.
In others, 24% of TR cases were secondary to ischemic heart disease (IHD) and hypertension was
found in 14% cases. Sixteen percent had rheumatic heart disease (RHD) while chronic obstructive lung
disease was found in 23% cases. The rest of 10% cases of TR had cardiomyopathy (CMP) and
congenital heart disease as secondary causes. Conclusion: Ischemic heart disease, COPD and
hypertension are common causes of TR. Others include RHD, CMP and congenital heart disease.
Thirteen percent of apparently normal adults had TR.
Keywords: Tricuspid regurgitation, IHD, Hypertension, COPD

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