Pyelonephritis overview: Difference between revisions
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==Differential Diagnosis== | ==Differential Diagnosis== | ||
Cystitis must be differentiated from other causes of [[dysuria]] such as [[Cystitis]], [[urethritis]], [[prostatitis]], [[vulvovaginitis]], [[urethral stricture]]s or diverticula, [[benign prostatic hyperplasia]] and [[neoplasm]]s such as [[renal cell carcinoma]] and cancers of the bladder, prostate, and penis.<ref name="pmid11989635">{{cite journal| author=Bremnor JD, Sadovsky R| title=Evaluation of dysuria in adults. | journal=Am Fam Physician | year= 2002 | volume= 65 | issue= 8 | pages= 1589-96 | pmid=11989635 | doi= | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=11989635 }} </ref><ref name="pmid9606306">{{cite journal| author=Kurowski K| title=The woman with dysuria. | journal=Am Fam Physician | year= 1998 | volume= 57 | issue= 9 | pages= 2155-64, 2169-70 | pmid=9606306 | doi= | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=9606306 }} </ref> | Cystitis must be differentiated from other causes of [[dysuria]] such as [[Cystitis]], [[urethritis]], [[prostatitis]], [[vulvovaginitis]], [[urethral stricture]]s or diverticula, [[benign prostatic hyperplasia]] and [[neoplasm]]s such as [[renal cell carcinoma]] and cancers of the bladder, prostate, and penis.<ref name="pmid11989635">{{cite journal| author=Bremnor JD, Sadovsky R| title=Evaluation of dysuria in adults. | journal=Am Fam Physician | year= 2002 | volume= 65 | issue= 8 | pages= 1589-96 | pmid=11989635 | doi= | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=11989635 }} </ref><ref name="pmid9606306">{{cite journal| author=Kurowski K| title=The woman with dysuria. | journal=Am Fam Physician | year= 1998 | volume= 57 | issue= 9 | pages= 2155-64, 2169-70 | pmid=9606306 | doi= | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=9606306 }} </ref> | ||
==Risk Factors== | ==Risk Factors== | ||
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Pyelonephritis is an ascending urinary tract infection that has reached the pyelum (pelvis) of the kidney (nephros in Greek). If the infection is severe, the term "urosepsis" is used interchangeably (sepsis being a systemic inflammatory response syndrome due to infection). It requires antibiotics as therapy, and treatment of any underlying causes to prevent recurrence. It is a form of nephritis. It can also be called pyelitis.[1].
Epidemiology and Demographics
Pyelonephritis is very common, with 120-130 cases annually per 100,000 women and 30-40 cases per 100,000 men. [2]
Historical Perspective
Urinary tract infections have been described since ancient times with the first documented description in the Ebers Papyrus dated to c. 1550 BC. In 1836, Philadelphia surgeon Joseph Parrish published the earliest record of three cases of severe lower urinary tract symptoms without the presence of a bladder stone.[3]
Classification
Pathophysiology
Causes
Most of cases of Pyelonephritis are caused by escherichia coli ("E. coli"), a bacterium found in the lower gastrointestinal tract. Other causes of cystitis include certain medications, diabetes, Crohn's disease, iatrogenic causes, endometriosis, pelvic inflammatory disease, urinary obstruction, and bladder incontinence.
Differential Diagnosis
Cystitis must be differentiated from other causes of dysuria such as Cystitis, urethritis, prostatitis, vulvovaginitis, urethral strictures or diverticula, benign prostatic hyperplasia and neoplasms such as renal cell carcinoma and cancers of the bladder, prostate, and penis.[5][6]
Risk Factors
Common risk factors in the development of pyelonephritis include urinary catheters, bladder stones, diabetes, pregnancy, catheterization, bowel incontinence, old age, and immobility.
Natural History, Complications, and Prognosis
Diagnosis
History and Symptoms
Physical Examination
Laboratory Findings
Treatment
Medical Treatment
Treatment of Pyelonephritis is usually medical. In case of any risk factors like catheters or obstructing stones or masses, the management includes removing the risk factors to prevent further progress of the disease and the pathogen accumulation.
Surgery
In recurrent infections, additional investigations may identify an underlying abnormality. Occasionally, surgical intervention is necessary to improve chances of recurrence.
References
- ↑ Ramakrishnan K, Scheid DC (2005). "Diagnosis and management of acute pyelonephritis in adults". Am Fam Physician. 71 (5): 933–42. PMID 15768623.
- ↑ Czaja CA, Scholes D, Hooton TM, Stamm WE (2007). "Population-based epidemiologic analysis of acute pyelonephritis". Clin. Infect. Dis. 45 (3): 273–80. doi:10.1086/519268. PMID 17599303.
- ↑ Interstitial Cystitis. Wikipedia.https://en.wikipedia.org/wiki/Interstitial_cystitis#History Accessed on February 8, 2016
- ↑ Hooton TM (2000). "Pathogenesis of urinary tract infections: an update". J Antimicrob Chemother. 46 Suppl A: 1–7. PMID 10969044.
- ↑ Bremnor JD, Sadovsky R (2002). "Evaluation of dysuria in adults". Am Fam Physician. 65 (8): 1589–96. PMID 11989635.
- ↑ Kurowski K (1998). "The woman with dysuria". Am Fam Physician. 57 (9): 2155–64, 2169–70. PMID 9606306.