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Kidney length in postoperative acute renal failure
1Department of Anesthesiology, Clinical Hospital Rijeka, Kresimirova, Croatia.
Journal of Clinical Ultrasound : JCU
|June 3, 1998
Summary
Postoperative acute renal failure (PARF) causes a measurable increase in kidney size, as shown by ultrasound. Kidney size returns to normal after recovery from PARF.
Area of Science:
- Nephrology
- Radiology
- Critical Care Medicine
Background:
- Postoperative acute renal failure (PARF) is a significant complication.
- Renal size changes can indicate kidney function.
- Sonographic evaluation of kidney size is a non-invasive diagnostic tool.
Purpose of the Study:
- To evaluate kidney length in patients diagnosed with postoperative acute renal failure (PARF).
- To assess the relationship between kidney size, age, and renal function in PARF patients.
Main Methods:
- Prospective study involving 76 patients with PARF and 40 healthy volunteers.
- Daily sonographic kidney length measurements and serum creatinine levels were recorded.
- Kidney length to body height ratio (KBR) and peak serum creatinine were used for analysis.
Main Results:
- Patients with PARF exhibited significantly greater KBRs compared to healthy volunteers, irrespective of age.
- A negative correlation was observed between KBR and patient age.
- Follow-up revealed significantly lower KBRs in recovered patients compared to their values during PARF.
Conclusions:
- Postoperative acute renal failure (PARF) leads to a sonographically detectable increase in kidney size.
- Kidney size normalizes after recovery from PARF.
- Ultrasound is a valuable tool for monitoring renal changes in PARF.