Post-obstructive diuresis
Background
- A rare but potentially lethal complication associated with the relief of (most commonly, chronic) urinary obstruction[1]
- May result in dehydration, electrolyte imbalances, and death if not adequately treated[1]
Clinical Features
- Polyuria after relief of urinary tract obstruction
Differential Diagnosis
Evaluation
- Urine is usually hypotonic with large amounts of sodium chloride, potassium, phosphate and magnesium [2]
- Urine Output > 125 - 200mL/hour after relief of obstruction [3]
- Urine Osmolarity > 250mosm/kg [4]
Management
Disposition
See Also
External Links
References
- ↑ 1.0 1.1 Halbgewachs C, Domes T. Postobstructive diuresis. Can Fam Physician. 2015 Feb; 61(2): 137–142.
- ↑ Jameson et al. Harrison's Principles of Internal Medicine 20th edition. Chapter 313.
- ↑ Nyman et al. Management of Urinary Retention: Rapid Versus Gradual Decompression and Risk of Complications. Mayo clinic proceedings. 1997;72:951-956.
- ↑ Reynard et al. Oxford Handbook of Urology. Chapter 4. 2005. Oxford University Press.