Abstract
Two hundred and six intravenous urograms on 119 patients with spinal cord injury were reviewed and the findings correlated with the clinical data. Fifty (42%) of 119 patients had pathological changes in their upper urinary tracts. The most common feature was impaired renal emptying. Patients with normal and pathological upper tracts had similar findings according to the number of positive urine cultures during the first post-injury year, but in the follow-up those with pathological urograms showed bacteriuria significantly more often. Febrile urinary tract infections at least once a year were encountered in the follow-up of 40% of the patients with pathological urograms, as compared with 8% with normal urograms. All patients with severe renal changes had impaired emptying from the kidneys. This supports the view that the basic patho-physiological mechanism leading to upper tract deterioration in patients with spinal cord injury is a functional or mechanical obstruction of the lower urinary tract. This should be treated actively before irreversible renal changes develop.
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