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Published on: October 26, 2020
[Correlations between heart rate variability, renin activity and plasma aldosteron concentration in chronic
Insights
In chronic glomerulonephritis (CGN) with intact renal function, worsening hypertension correlates with reduced heart rate variability (HRV) and increased renin and aldosterone levels.
Area of Science:
- Nephrology
- Cardiology
- Endocrinology
Context:
- Chronic glomerulonephritis (CGN) can affect cardiovascular function.
- Intact renal function in CGN patients presents unique challenges for managing hypertension.
- Understanding the interplay between renal disease, autonomic function, and the renin-angiotensin-aldosterone system (RAAS) is crucial.
Purpose:
- To investigate the relationship between heart rate variability (HRV), active renin (AR), and aldosterone levels in CGN patients with preserved kidney function.
- To assess how hypertension severity influences these physiological markers in the context of CGN.
Summary:
- This study examined 136 CGN patients (100 hypertensive, 36 normotensive) with intact renal function.
- Heart rate variability (HRV) was assessed via 24-hour ECG monitoring.
- Plasma levels of active renin (AR) and aldosterone were measured using radioimmunoassay.
Impact:
- Findings indicate a progressive decline in cardiovascular autonomic regulation with increasing hypertension in CGN patients.
- Elevated active renin and aldosterone levels were observed in patients with moderate to severe hypertension.
- This research highlights the significant role of the RAAS and autonomic dysfunction in hypertensive CGN, suggesting potential therapeutic targets.
Aim:
To study correlations between heart rate variability (HRV), renin activity and blood aldosteron in chronic glomerulonephritis (CGN) with intact renal function.
Material And Methods:
A total of 136 CGN patients with intact renal function were examined (100 hypertensive and 36 normotensive patients). HRV was studied with 24-h ECG monitoring. Active renin (AR) and aldosteron in blood plasma was studied with radioimmunoassay.
Results:
The analysis of HRV detected a progressive attenuation of vegetative impacts on the cardiovascular system with aggravation of hypertension in CGN patients with intact renal function. In hypertension of the second and third degree AR and aldosteron levels increased.
Conclusion:
With arterial hypertension progression in CGN patients with intact renal function, vegetative impacts on the cardiovascular system diminished while the levels of active renin and aldosterone rose.
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