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Cardiorenal Syndrome in the Elderly: Challenges and Considerations
Matthew Jarocki1, Sophie Green1, Henry H L Wu2
1Department of Renal Medicine, Northern Care Alliance NHS Foundation Trust, Salford M6 8HD, UK.
Geriatrics (Basel, Switzerland)
|August 27, 2025
Summary
Cardiorenal syndrome (CRS) involves heart and kidney dysfunction, posing diagnostic and management challenges, especially in the elderly. Understanding CRS mechanisms is crucial for improving care in this vulnerable population.
Area of Science:
- Cardiology
- Nephrology
- Geriatrics
Background:
- Cardiorenal syndrome (CRS) is a complex condition involving heart and kidney dysfunction.
- Its diagnosis and management are challenging, particularly in the elderly due to multi-morbidity and polypharmacy.
- The prevalence of chronic kidney disease (CKD) and heart failure (HF) is rising, increasing the importance of understanding CRS.
Purpose of the Study:
- To highlight the complexities of cardiorenal syndrome (CRS) in the elderly.
- To emphasize the need for understanding CRS pathophysiology and its challenges in geriatric populations.
- To underscore the importance of tailored management strategies for elderly CRS patients.
Main Methods:
- Review of pathophysiological mechanisms of CRS, including hemodynamic changes, neurohormonal activation, inflammation, oxidative stress, endothelial dysfunction, and vascular stiffness.
- Discussion of diagnostic challenges, including interpretation of biomarkers like serum creatinine and brain natriuretic peptide (BNP) in the elderly.
- Exploration of management strategies, emphasizing a patient-centered, multi-speciality approach and considering polypharmacy and frailty.
Main Results:
- CRS pathophysiology is multifactorial, involving complex interactions between the heart and kidneys.
- Diagnostic biomarkers for CRS can be unreliable in the elderly due to age-related changes and comorbidities.
- Management requires careful consideration of polypharmacy, frailty, and individual patient needs.
Conclusions:
- Cardiorenal syndrome (CRS) presents significant diagnostic and management hurdles in the elderly population.
- A holistic, multi-speciality approach is essential for managing elderly patients with CRS, considering their unique vulnerabilities.
- Early advance care planning should be prioritized for elderly patients with CRS due to the generally poor prognosis.
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