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尿路感染,65岁以上的老人中,至少10%男性和20%女性尿中含有显著数量的细菌(≥10~5菌落/ml尿)。许多患者菌尿虽无症状,但生存期缩短。部分无症状菌尿则成为使老年人死亡率增高的其它衰弱状态的一项标志。长期复发性菌尿即便进行抗生素治疗亦难达到无菌。尿路感染(UTI)在老人仅引起衰弱、不安和精神混乱等非特异性症状。感染累及肾脏时可无症状或呈发热、食欲不振和肋痛,尿失禁则罕见。男性常因前列腺肥大引起膀胱出口障碍而反复尿道感染和复发性菌尿。尿路感染的诊断依据为采用无菌术采集的尿中含菌量≥10~5/ml
In urinary tract infections, at least 10% of males and 20% of females over the age of 65 contain a significant amount of bacteria (≥10 to 5 colonies / ml urine). Although many patients with bacteriuria asymptomatic, but shorter survival. Some asymptomatic bacteriuria become a hallmark of other debilitating conditions that increase older people’s mortality. Long-term recurrent bacteriuria is difficult to achieve sterility despite antibiotic treatment. Urinary tract infections (UTIs) cause only nonspecific symptoms such as debilitation, anxiety and mental confusion in the elderly. Infections involving the kidneys can be asymptomatic or fever, loss of appetite and pain, urinary incontinence is rare. Men often cause bladder outlet obstruction due to prostatic hypertrophy and repeated urinary tract infection and recurrent bacteriuria. The diagnosis of urinary tract infection based on the use of sterile collected urine containing bacteria ≥ 10 ~ 5 / ml