最新泌尿道感染及损伤GU2h-PPT文档.ppt
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1、Introduction Definition,Pathogen stay and grow in any part of GUT causing inflammation,Defense system in GUT,Normal flora stay in meatal skin and mucosa of urethra, secrete bacteriocin, metabolic products, to suppress the growth of pathogen , compete nutrients Urothelium secrete mucin preventing bac
2、teria adhesion Anti-reflux mechanism,Predisposing factors,Obstructive: as stones, tumor, stricture, BPH Body resistance, hypertension, diabetes, pregnancy, congenital immunodeficiency Iatrogenic: catherterization, cystoscopy Renal parenchyma diseases: renal injury, renal failure, interstitial nephri
3、tis Anatomical: female urethra,Pathogen Gram-negative: 85% Bacillus coli Gram-positive: Staphylococcus aureus Chlamydia Mycoplasma,Mode of infection retrograde blood lymph direct,Diagnosis,Clinical features Laboratory investigation Bacterial culture and colony counting: 105/ml,Principles of treatmen
4、t,Select sensitive antibiotics Use at least two kinds of sensitive antibiotics to avoid production of drug resistant strain Use full dose as early as possible Administer lower nephrotoxin antibiotics,Pyonephrosis,Infection in parenchyma, pelvis or calyces cause broad parenchyma damage, pus accumulat
5、ed in pelvis and calyces gradually, in the end the kidney becomes a pus containing cyst. It may be caused by bacterial pyelonephritis or specific infection as renal TB,Pyonephrotic kidney:outer surface,Pyonephrosis. The dilated pelvis was filled with pus and abscesses are present in the renal parenc
6、hyma and communicate with the pelvis,Diagnosis and treatment,Clinical manifestation are fever, anorexia, anemia, loin mass, tendness in renal region and bladder irritating symptoms when pus goes down along the ureter into the bladder Pus disgorging from ureteral orifice can be seen under cystoscopy
7、when there is no obstruction in upper urinary tract IVU and isotope renogram suggest renal failure Nephrostomy or nephrectomy is needed,Chronic prostatitis,Etiology Bacteria may retrograde into peripheral zone of the prostate when the posterior urethra become infected Non bacterial prostatitis is of
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