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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Diseases of the colon & rectum 33 (1990), S. 184-189 
    ISSN: 1530-0358
    Keywords: Continent ileostomy ; Long-term follow-up ; Clinical assessment
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Thirty-six patients were evaluated after having continent ileostomies for 16 to 20 years. Follow-up included clinical examination, response to a questionnaire, blood tests, and radiologic studies of the gallbladder. In addition, reservoir biopsies from 15 patients were examined. The patients were in excellent general health, all but one having gained weight postoperatively. There was no increased risk for gallstone formation or for urinary tract stone development. Although 11 of the 36 patients had reservoirs that were not provided with a valve, 92 percent of all patients were continent. Working capacity was normal in most patients and no harmful effects of the reservoir were revealed by morphologic or biochemical studies. In conclusion, no deleterious long-term effects were found as a result of the continent ileostomy.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Urological research 16 (1988), S. 321-323 
    ISSN: 1434-0879
    Keywords: Continent ileal reservoir ; Urinary diversion ; L-phenylalanine absorption
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The mucosa of ileal reservoirs exposed to urine undergoes successive structural changes, indicating a loss of absorptive capacity. In patients with urinary diversion via a continent ileal reservoir, the active absorption of L-phenylalanine from the reservoir was studied at different postoperative time intervals. A test solution containing l-phenylalanine was instilled into the resorvoir and samples were taken at intervals during a period of one hour for determination of phenylalanine. In one group of patients, urine from the kidneys by-passed the reservoir via a catheter inserted into the afferent segment. Within three months after construction of the ileal reservoir, the uptake was significantly slower than that in ileostomy reservoirs and the absorption decreased even more with longer observation times. Mixing of urine with the reservoir contents did not influence the uptake of L-phenylalanine to any significant degree. The reduced absorption of L-phenylalanine indicates that the uptake of other substances from this type of ileal reservoirs might be decreased also.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-0509
    Keywords: Continent ileostomy reservoir ; Kock pouch ; Reservoirography ; Protocolectomy ; Ulcerative colitis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract During an 8-year period, 238 barium double-contrast studies performed in 162 patients with continent ileostomy reservoirs who had signs and symptoms of late complications (malfunction of the valve, non-specific inflammation of the mucosa, stenoses, hernias, and fistulas) showed radiologic abnormalities. The aim of the present study is to depict the radiologic findings in patients with late complications of continent ileostomy reservoirs. With radiologic examination, the correct diagnosis of valve malfunction was made in 96% of patients with surgically proven valve defects. We were able to differentiate between various types of valve dysfunction and complications related to the fixation of the reservoir to the abdominal wall. Inflammatory mucosal changes and fistulas of the reservoir and the afferent ileal segment were depicted with a high degree of accuracy. Barium double-contrast radiologic examination proved to be very valuable in the work-up of patients with dysfunction of continent ileostomy reservoirs. The method was of particular value in assessing the cause of valve dysfunction and in the appraisal of the afferent ileal segment.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-0509
    Keywords: Continent ileostomy reservoir ; Kock pouch ; Reservoirography ; Proctocolectomy ; Ulcerative colitis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The aim of the present study is to describe the radiologic methods used to study continent ileostomy reservoirs and to depict the normal radiologic features and variations identified by these procedures. During an 8-year period, 408 double-contrast studies were performed in 261 patients. The present study comprises 170 examinations in 99 patients with normal findings. A high-density barium contrast medium and air were used. Modest variation in the size and shape of the reservoirs was observed. The mucosal pattern of the reservoirs resembled that of the ileum but the folds were slightly wider. The continence-providing valves were 3–5 cm long and had a diameter of 2.5–4.0 cm. The diameter of the afferent ileal segments was usually slightly larger than that of more proximal ileal segments, with an upper limit of approximately 4 cm. The efferent ileal segments generally had a straight course without widening or outpouches. Retrograde barium double-contrast examination is a satisfactory method for the evaluation of continent ileostomy reservoirs. Here we define the range of normal variations of such reservoirs as seen on retrograde double-contrast radiologic examinations.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    International journal of colorectal disease 7 (1992), S. 148-154 
    ISSN: 1432-1262
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Le sodium et le potassium dans le liquide d'iléostomie et les urines ont été calculé chez 28 malades présentant une colite ulcéreuse avec un régime libre et chez 8 malades avec un régime constant et défini, avant et après conversion d'une iléostomie conventionnelle (IC) en une iléostomie continente avec réservoir (IR). Les matières et les urines étaient recueillies à la fois à l'hôpital et à domicile. Les malades avec IC et un régime libre avaient une perte moyenn2e intestinale de 62 mmol de sodium et ceux avec IR de 74 mmol/24h recueillie à l'hôpital (P〈0.05). Les chiffres à domicile étaient de 79 et de 81 mmol/24h respectivement et étalent plus grand qu'à l'hôpital (P〈0.01). La perte de sodium dans les urines (U-NA) et l'apport de sodium ne variaient pas significativement après conversion. Les malades avec un U-NA bas avant conversion avaient aussi un U-NA bas après. Nul ne nécessitant toutefois l'apport de sodium. Les patients avec un IC et une excrétion urinaire basse de sodium doivent être étudiés minutieusement quant à leur balance respective de sodium avant d'entreprendre une conversion en IR. L'excrétion de potassium du liquide d'iléostomie augmentait après conversion (4.3 vs 6.8 mmol/24 h; P〈0.01) à l'hôpital (5.3 vs 7.1 mmol/24 h; P〈0.01) à domicile. Les patients qui avaient un régime défini constant avant et après conversion ne montraient aucune différence significative dans l'absorption du sodium, du potassium, du magnésium ou du calcium après conversion mais montraient une réduction du poids sec de l'excrétion d'iléostomie, indiquant une dégradation augmentée du contenu intestinal chez les patients avec IR. En conclusion dans la majorité des patients la conversion d'une iléostomie conventionnelle en une iléostomie avec réservoir ne comporte aucune modification des pertes électrolytiques intestinales entraînant des conséquences de l'homéostase.
    Notes: Abstract Sodium and potassium in the ileostomy output and urine were determined in 28 patients with ulcerative colitis on a free diet and in eight patients on a defined constant diet, before and after conversion from a conventional ileostomy (CI) to a continent reservoir ileostomy (RI). Feces and urine were collected both in the hospital and at home. Patients with CI on free diet had a median intestinal loss of 62 mmol sodium and those with RI 74 mmol/24 h collected in the hospital (p〈0.05). The figures for at home was 79 and 81 mmol/24 respectively, and were larger than in the hospital (p〈0.01). Sodium loss in the urine (U−Na) and the intake of sodium did not change significantly after conversion. Patients with a low U−Na before conversion also had a low U−Na after, in a few almost nil, implying a need for increased intake of sodium. Patients with a CI and low urinary output of sodium should be carefully studied with respect to their sodium balance before accepting them for conversion to RI. The ileostomy output of potassium increased after conversion (4.3 vs. 6.8 mmol/24 h; p〈0.01) in the hospital (5.3 vs 7.1 mmol/24 h; p〈0.01) at home. Patients on a defined constant diet before and after conversion did not show any significant differences in absorption of sodium, potassium, magnesium or calcium after conversion, but did show a reduced dry weight of the ileostomy output, indicating an increased degradation of intestinal contents in RI patients. In conclusion, in the majority of patients, conversion from a conventional to a reservoir ileostomy does not involve any change of intestinal electrolyte losses with consequence in the hemeostatis.
    Type of Medium: Electronic Resource
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