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Studies on patients with ileal conduit diversion with special regard to renal infection
Umeå universitet, Medicinska fakulteten, Institutionen för kirurgisk och perioperativ vetenskap, Urologi och andrologi.
1978 (engelsk)Doktoravhandling, med artikler (Annet vitenskapelig)
Resurstyp
Text
Abstract [en]

The conditions for retrograde transport of urine and thereby bacteria in the urinary svstem of diverted patients (device and urinary tract) were studied with roentgeno­logical technigue. Back-flow from the urinary collecting device into the conduit occurred in a fifth of those patients who had a flat stoma. A nipple stoma of at least 2 cm height resisted back-flow better than any flat stoma.

Ureteral reflux occurred to approximately 30 % of the ureters, both in the supine and erect body positions.The intraluminal pressure in the conduit was "low"

(^12 cm H2O) in approximately 30 % when reflux occurred.

The autopsy study showed a higher frequency of renal infections in diverted patients than in non-diverted controls. 5 of 11 patients who died more than 2 months after diversion, and without cancer at autopsy, were attributed to death from renal infection.

There was a relationship between urographical abnormalities, recognized as associated with pyelonephritis, and raised serum antibody titers against E.coli and/or P.mirabilis.

Most of the ”not normal" renal units deteriorated after the diversion operation.

The variable "kidney area" was found to be "small" in a higher frequency after a long postoperative period than after a short one.

Raised -serum antibody titers occurred in 35 % of the patients and were correlated to growth of the corresponding bacteria (E.coli and P.mirabilisrespectively) in the conduit urine. The frequency of raised antibody titers increased with the time after the diversion operation. After treatment with antibiotics of patients with bacteriuria and raised serum antibody titers, the titers were within normal limits («£512), or decreased significantly, in 22 of 25 patients. Serum antibody titer determinations against E.coli and P.mirabilisare suggested as complement to urinary cultures in the follow-up of diverted patients.

The residual urine volume in the conduit was shown to be of importance for bacteriuria and raised titer against P.mirabilis.

Some measures, which possibly may reduce bacteriuria and thereby pyelonephritis, are suggested. A nipple stoma of at least 2 cm height ought to be constructed at the operation. To obtain a low residual urine volume the conduit should be short and unobstructed. The urinary collecting device should be emptied often and connected to a uribag during the night.

sted, utgiver, år, opplag, sider
Umeå :: UmeåUniversitet , 1978. , s. 32
Serie
Umeå University medical dissertations, ISSN 0346-6612 ; N.S. 36
Serie
Scandinavian journal of urology and nephrology. Supplementum, ISSN 0300-8886 ; 47
HSV kategori
Identifikatorer
URN: urn:nbn:se:umu:diva-118681ISBN: 91-7174-018-X (tryckt)OAI: oai:DiVA.org:umu-118681DiVA, id: diva2:922335
Disputas
1978-06-02, Samhällsvetarhuset, hörsal C, Umeå universitet, Umeå, 09:15
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Diss. (sammanfattning) Umeå : Umeå universitet, 1978, härtill 5 uppsatser

Tilgjengelig fra: 2016-04-22 Laget: 2016-03-29 Sist oppdatert: 2016-04-22bibliografisk kontrollert

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