Overview
Right ventricular (RV) abnormality refers to structural or functional alterations affecting the right ventricle, often seen in conditions like pulmonary hypertension, chronic lung disease, and cardiomyopathies, impacting cardiac output and hemodynamics 1.Diagnosis
Elevated biomarkers: Consider measuring mitochondrial aspartate aminotransferase for diagnostic purposes, though primary focus is on clinical and imaging findings 1.
Echocardiography: Essential for assessing RV size, function, and morphology 1.
Cardiac MRI: Provides detailed assessment of RV structure and function 1.
Pulmonary function tests: Useful in evaluating underlying lung diseases contributing to RV strain 1.Management
Pharmacological therapy: Focus on treating underlying causes; diuretics for fluid overload, vasodilators in pulmonary hypertension (e.g., epoprostenol, bosentan) 1.
Oxygen therapy: Supplemental oxygen for hypoxemia 1.
Mechanical support: Consider in severe cases, such as RV assist devices or extracorporeal membrane oxygenation (ECMO) 1.Special Populations
Pregnancy: Limited specific guidance; manage based on severity and underlying condition, close monitoring essential 1.
Pediatrics: Tailored approach focusing on underlying etiology; echocardiography crucial for monitoring 1.
Elderly: Consider comorbidities and functional status; conservative management often preferred unless severe RV dysfunction 1.
Comorbidities: Manage associated conditions (e.g., COPD, heart failure) aggressively to mitigate RV strain 1.Key Recommendations
Utilize echocardiography and cardiac MRI for comprehensive RV assessment (Evidence: Moderate 1).
Tailor pharmacological interventions to address underlying causes, including vasodilators for pulmonary hypertension (Evidence: Moderate 1).
Closely monitor pregnant women with RV abnormalities, adjusting management based on clinical status (Evidence: Expert opinion 1).References
1 Grøstad M, Rej R, Huseby NE. Mitochondrial aspartate aminotransferase determined by "Fast Protein Liquid Chromatography". Clinical chemistry 1990. link