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J Infect Dis. 1988 Dec;158(6):1341-6.

Acute pyelonephritis associated with bacteriuria during long-term catheterization: a prospective clinicopathological study.

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Department of Medicine (Division of Infectious Diseases), University of Maryland School of Medicine, Baltimore.


Bacteriuria is virtually universal in long-term catheterized patients. This blinded autopsy study of 75 aged nursing home patients demonstrated that acute inflammation of the renal parenchyma was present in 38% of patients with a urinary catheter in place at death versus 5% of noncatheterized patients (P = .004). Of a number of clinical and demographic variables studied, only catheterization was significantly related to acute renal inflammation. Acute cystitis was uncommon, but each case was associated with inflammation of at least one kidney. The majority of kidneys showing acute inflammation (21 [68%] of 31) were not accompanied by acute pyelitis. Acute renal inflammation with or without pelvic inflammation is a common finding in nursing home patients dying with urethral catheters in place. This finding provides additional support for the development of alternatives to the indwelling urethral catheter.

[Indexed for MEDLINE]

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