Sandbox g38: Difference between revisions
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::* '''Bacteriuria''': bacterial colony counts of more than 1000 colony-forming units (CFU) per milliliter in urine | ::* '''Bacteriuria''': bacterial colony counts of more than 1000 colony-forming units (CFU) per milliliter in urine | ||
:* Causes | :* Causes<ref>{{Cite journal| issn = 0098-8243| volume = 26| issue = 3| pages = 150–152| last = Dieter| first = R. S.| title = Sterile pyuria: a differential diagnosis| journal = Comprehensive Therapy| date = 2000| pmid = 10984817}}</ref> | ||
::* '''Infectious etiologies''' | ::* '''Infectious etiologies''' | ||
:::* Gynecologic infection | :::* Gynecologic infection | ||
Revision as of 00:53, 14 June 2015
Sterile pyuria
- Sterile pyuria
- Definitions
- Pyuria: the presence of 10 or more white cells per cubic millimeter in a urine specimen, 3 or more white cells per high-power field of unspun urine, a positive result on Gram’s stain of an unspun urine specimen, or a urinary dipstick test that is positive for leukocyte esterase
- Sterile pyuria: the persistent finding of white cells in the urine in the absence of bacteria, as determined by means of aerobic laboratory techniques (on a 5% sheep-blood agar plate and MacConkey agar plate)
- Bacteriuria: bacterial colony counts of more than 1000 colony-forming units (CFU) per milliliter in urine
- Causes[1]
- Infectious etiologies
- Gynecologic infection
- Urethritis due to chlamydia, Neisseria gonorrhoeae, mycoplasma, or ureaplasma
- Prostatitis
- Balanitis
- Appendicitis
- Viral infection of the lower genitourinary tract
- Genitourinary tuberculosis
- Fungal infection
- Parasitic disease such as trichomoniasis or schistosomiasis
- Non-infectious etiologies
- Current use of antibiotics
- Recently treated urinary tract infection (within past 2 weeks)
- Presence or recent use of a urinary catheter
- Recent cystoscopy or urologic endoscopy
- Urinary tract stones
- Foreign body such as surgical mesh in the urethra or a retained stent
- Urinary tract neoplasm
- Pelvic irradiation
- Urinary fistula
- Polycystic kidney
- Rejection of a renal transplant
- Renal-vein thrombosis
- Interstitial nephritis or analgesic nephropathy
- Papillary necrosis
- Interstitial cystitis
- Inflammatory disease such as systemic lupus erythematosus or Kawasaki’s disease
- Pathogen-directed antimicrobial therapy
- Tuberculosis
- Preferred regimen: first-line drug therapy for 3–6 mo with a combination of isoniazid, rifampin, ethambutol, and pyrazinamide.
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