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Clinical profile and factors affecting mortality in acute renal failure
C M Dela Cruz1, L Pineda, G Rogelio
1Department of Medicine, Philippine General Hospital, University of the Philippines, College of Medicine, Manila.
Abstract:
The records of 110 patients with acute renal failure (ARF) admitted to the Department of Medicine of the Philippine General Hospital during a 5-year period (1983-1988) were reviewed. The objectives were to evaluate the clinical profile of ARF patients and to determine what factors influenced mortality. Infection significantly influenced the causation and prognosis of ARF. Fifteen patients died, for an overall mortality rate of 14%. Forty-six clinical variables were analyzed in order to identify factors correlated with mortality. Four variables significantly increased the risk of death from ARF: older age, hyperkalemia, oliguria, and presence of sepsis on admission. These characteristics define a subset of patients for whom more aggressive treatment of ARF is warranted.
Insights
This study on acute renal failure (ARF) found that older age, hyperkalemia, oliguria, and sepsis significantly increased mortality risk. Identifying these factors can guide more aggressive treatment for high-risk patients.
Area of Science:
- Nephrology
- Internal Medicine
- Critical Care
Background:
- Acute Renal Failure (ARF) presents a significant clinical challenge.
- Understanding ARF patient profiles and mortality factors is crucial for improved outcomes.
- Infection is a known contributor to ARF's development and prognosis.
Purpose of the Study:
- To evaluate the clinical characteristics of patients with Acute Renal Failure (ARF).
- To identify specific factors influencing mortality in ARF patients.
- To define a high-risk subset of ARF patients requiring intensified management.
Main Methods:
- Retrospective review of 110 ARF patient records from a tertiary hospital.
- Analysis of 46 clinical variables to determine correlations with mortality.
- Statistical evaluation to identify significant risk factors for ARF death.
Main Results:
- Overall mortality rate for ARF was 14% (15 out of 110 patients).
- Four key variables significantly correlated with increased risk of death: older age, hyperkalemia, oliguria, and sepsis on admission.
- Infection played a significant role in both the causation and prognosis of ARF.
Conclusions:
- Older age, hyperkalemia, oliguria, and sepsis are critical indicators of poor prognosis in ARF.
- These identified factors help define a subset of ARF patients necessitating more aggressive therapeutic interventions.
- Early recognition and management of these risk factors can potentially improve ARF patient survival rates.