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尿路感染(简称尿感)可分为上尿路感染(主要是肾盂肾炎)和下尿路感染(主要是膀胱炎)。肾盂肾炎又可分为急性和慢性。尿路感染是最常见的泌尿系统疾病,其发病率根据我国普查统计占人口0.91%。在感染性疾病中,其常见性仅次于上呼吸道感染,占第二位。一、病因主要是由细菌感染引起泌尿系统炎症,任何细菌侵入尿路均可引起尿感,但最常见的致病菌是革兰氏阴性杆菌,其中以大肠杆菌最为常见,约60%的尿路感染由大肠杆菌引起,其它依次是变形杆菌、副大肠杆菌、克雷白杆菌、产气杆菌、产硷杆菌、粪链球
Urinary tract infection (referred to as urine flu) can be divided into upper urinary tract infection (mainly pyelonephritis) and lower urinary tract infection (mainly cystitis). Pyelonephritis can be divided into acute and chronic. Urinary tract infection is the most common urinary system disease, the incidence of census statistics based on the population of 0.91%. In infectious diseases, its common next to upper respiratory tract infection, accounting for second place. First, the cause is mainly caused by bacterial infection of the urinary tract inflammation, any bacterial invasion of the urinary tract can cause urinary tract infections, but the most common pathogens are Gram-negative bacilli, Escherichia coli which is the most common, about 60% of urine Pathogen infection is caused by Escherichia coli, followed by Proteus, Escherichia coli, Klebsiella, Aerobacter aerogenes, fecal streptococcus