Serum prolidase activity in patients with left ventricular diastolic dysfunction

Area of Science:

• Cardiology
• Biochemistry
• Physiology

Background:

• Prolidase is crucial for collagen metabolism, matrix remodeling, and cell growth.
• Increased collagen turnover contributes to ventricular stiffness and left ventricular diastolic dysfunction (LVDD).

Purpose of the Study:

• To investigate the association between serum prolidase activity and left ventricular diastolic function.
• To determine if serum prolidase activity correlates with the severity of LVDD.

Main Methods:

• 144 participants were categorized into four groups based on diastolic dysfunction severity.
• Echocardiographic parameters (E wave, A wave, deceleration time, etc.) assessed diastolic filling.
• Serum prolidase activity was quantified using spectrophotometrical methods.

Main Results:

• Serum prolidase activity was significantly higher in patients with LVDD compared to those without (P = 0.004).
• Prolidase activity demonstrated a progressive increase from LVDD stage I to stage III.
• Multivariate analysis confirmed LVDD is independently associated with age, hypertension, and prolidase activity.

Conclusions:

• Serum prolidase activity is positively and independently linked to the presence of LVDD.
• Elevated serum prolidase activity is associated with the severity of left ventricular diastolic dysfunction in the studied cohort.