Hydronephrosis laboratory findings: Difference between revisions
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{{CMG}}; {{AE}} {{CK}} | {{CMG}}; {{AE}} {{CK}} | ||
==Overview== | ==Overview== | ||
Some patients with hydronephrosis may have elevated WBC count, serum creatinine, BUN, potassium levels and pyuria. | Some patients with [[hydronephrosis]] may have elevated [[WBC]] count, serum [[creatinine]], [[Blood urea nitrogen|BUN]], [[potassium]] levels and [[pyuria]]. | ||
==Laboratory Findings== | ==Laboratory Findings== | ||
[[Patient|Patients]] with hydronephrosis may show following findings on [[Medical laboratory|laboratory]] tests. These include:<ref name="pmid25949352">{{cite journal |vauthors=Onuigbo MA |title=Symptomatic uraemia from bilateral obstructive uropathy secondary to metastatic urinary bladder cancer showing only unilateral hydronephrosis: a case report |journal=NDT Plus |volume=2 |issue=5 |pages=387–9 |date=October 2009 |pmid=25949352 |pmc=4421382 |doi=10.1093/ndtplus/sfp093 |url=}}</ref><ref name="pmid7453754">{{cite journal |vauthors=Batlle DC, Arruda JA, Kurtzman NA |title=Hyperkalemic distal renal tubular acidosis associated with obstructive uropathy |journal=N. Engl. J. Med. |volume=304 |issue=7 |pages=373–80 |date=February 1981 |pmid=7453754 |doi=10.1056/NEJM198102123040701 |url=}}</ref><ref name="pmid8250035">{{cite journal |vauthors=Maletz R, Berman D, Peelle K, Bernard D |title=Reflex anuria and uremia from unilateral ureteral obstruction |journal=Am. J. Kidney Dis. |volume=22 |issue=6 |pages=870–3 |date=December 1993 |pmid=8250035 |doi= |url=}}</ref><ref name="pmid8940828">{{cite journal |vauthors=Hayashi K, Horikoshi S, Hirano K, Shirato I, Tomino Y |title=A case of reflex anuria and uremia related to a unilateral ureteral stone |journal=Nihon Jinzo Gakkai Shi |volume=38 |issue=10 |pages=460–2 |date=October 1996 |pmid=8940828 |doi= |url=}}</ref> | [[Patient|Patients]] with hydronephrosis may show following findings on [[Medical laboratory|laboratory]] tests. These include:<ref name="pmid25949352">{{cite journal |vauthors=Onuigbo MA |title=Symptomatic uraemia from bilateral obstructive uropathy secondary to metastatic urinary bladder cancer showing only unilateral hydronephrosis: a case report |journal=NDT Plus |volume=2 |issue=5 |pages=387–9 |date=October 2009 |pmid=25949352 |pmc=4421382 |doi=10.1093/ndtplus/sfp093 |url=}}</ref><ref name="pmid7453754">{{cite journal |vauthors=Batlle DC, Arruda JA, Kurtzman NA |title=Hyperkalemic distal renal tubular acidosis associated with obstructive uropathy |journal=N. Engl. J. Med. |volume=304 |issue=7 |pages=373–80 |date=February 1981 |pmid=7453754 |doi=10.1056/NEJM198102123040701 |url=}}</ref><ref name="pmid8250035">{{cite journal |vauthors=Maletz R, Berman D, Peelle K, Bernard D |title=Reflex anuria and uremia from unilateral ureteral obstruction |journal=Am. J. Kidney Dis. |volume=22 |issue=6 |pages=870–3 |date=December 1993 |pmid=8250035 |doi= |url=}}</ref><ref name="pmid8940828">{{cite journal |vauthors=Hayashi K, Horikoshi S, Hirano K, Shirato I, Tomino Y |title=A case of reflex anuria and uremia related to a unilateral ureteral stone |journal=Nihon Jinzo Gakkai Shi |volume=38 |issue=10 |pages=460–2 |date=October 1996 |pmid=8940828 |doi= |url=}}</ref><ref name="pmid7354536">{{cite journal |vauthors=Hull JD, Kumar S, Pletka PG |title=Reflex anuria from unilateral ureteral obstruction |journal=J. Urol. |volume=123 |issue=2 |pages=265–6 |date=February 1980 |pmid=7354536 |doi= |url=}}</ref> | ||
* [[Complete blood count]] ([[Complete blood count|CBC]]): | * [[Complete blood count]] ([[Complete blood count|CBC]]): | ||
** Elevated [[WBC]] count may indicate the presence of infection. | ** Elevated [[WBC]] count may indicate the presence of infection. | ||
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* Elevated serum [[creatinine]] | * Elevated serum [[creatinine]] | ||
** Suggestive of [[bilateral]] obstruction or unilateral obstruction and an underlying [[kidney]] disease | ** Suggestive of [[bilateral]] obstruction or unilateral obstruction and an underlying [[kidney]] disease | ||
* Anuria and acute kidney injury (AKI) | * [[Anuria]] and [[acute kidney injury]] (AKI) | ||
* Elevated [[BUN]] | * Elevated [[BUN]] | ||
* Elevated serum [[potassium]] levels ([[hyperkalemia]]) | * Elevated serum [[potassium]] levels ([[hyperkalemia]]) | ||
* Urinalysis and cultures: It may show red blood cells and white blood cells indicating hematuria and pyuria. | * [[Urinalysis]] and cultures: It may show red blood cells and [[white blood cells]] indicating [[hematuria]] and [[pyuria]]. | ||
** [[Hematuria]] is commonly caused by stones or due to tumors. | ** [[Hematuria]] is commonly caused by stones or due to tumors. | ||
** [[Pyuria]] indicates an evidence of infection. | ** [[Pyuria]] indicates an evidence of infection. | ||
Latest revision as of 21:07, 23 July 2018
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Chandrakala Yannam, MD [2]
Overview
Some patients with hydronephrosis may have elevated WBC count, serum creatinine, BUN, potassium levels and pyuria.
Laboratory Findings
Patients with hydronephrosis may show following findings on laboratory tests. These include:[1][2][3][4][5]
- Complete blood count (CBC):
- Elevated serum creatinine
- Anuria and acute kidney injury (AKI)
- Elevated BUN
- Elevated serum potassium levels (hyperkalemia)
- Urinalysis and cultures: It may show red blood cells and white blood cells indicating hematuria and pyuria.
References
- ↑ Onuigbo MA (October 2009). "Symptomatic uraemia from bilateral obstructive uropathy secondary to metastatic urinary bladder cancer showing only unilateral hydronephrosis: a case report". NDT Plus. 2 (5): 387–9. doi:10.1093/ndtplus/sfp093. PMC 4421382. PMID 25949352.
- ↑ Batlle DC, Arruda JA, Kurtzman NA (February 1981). "Hyperkalemic distal renal tubular acidosis associated with obstructive uropathy". N. Engl. J. Med. 304 (7): 373–80. doi:10.1056/NEJM198102123040701. PMID 7453754.
- ↑ Maletz R, Berman D, Peelle K, Bernard D (December 1993). "Reflex anuria and uremia from unilateral ureteral obstruction". Am. J. Kidney Dis. 22 (6): 870–3. PMID 8250035.
- ↑ Hayashi K, Horikoshi S, Hirano K, Shirato I, Tomino Y (October 1996). "A case of reflex anuria and uremia related to a unilateral ureteral stone". Nihon Jinzo Gakkai Shi. 38 (10): 460–2. PMID 8940828.
- ↑ Hull JD, Kumar S, Pletka PG (February 1980). "Reflex anuria from unilateral ureteral obstruction". J. Urol. 123 (2): 265–6. PMID 7354536.