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  • 1
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of the American Chemical Society 55 (1933), S. 1119-1124 
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 2
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Industrial and engineering chemistry 2 (1963), S. 61-66 
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Inorganic chemistry 21 (1982), S. 35-46 
    ISSN: 1520-510X
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1530-0358
    Keywords: Ileal pouch-anal anastomosis ; Coloanal anastomosis ; Anorectal manometry
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract This article examines the effect of ileal pouch-anal (n=134) and coloanal (n=16) anastomoses on resting anal canal pressures in 150 patients. METHODS: Patients underwent anal manometry before ileal pouch-anal anastomosis (IPAA) and coloanal anastomosis (CAA) and again six weeks after ileostomy closure following these procedures. A water-perfused catheter system with four radial ports was used for manometry, pressures being recorded during both station and continuous pull through. RESULTS: Patients with IPAA were younger than those with CAA (34 years vs. 50 years) and had a different ratio of hand-to-stapled anastomosis (1∶2.6 vs. 1.3∶1). All CAA patients had had rectal cancer while IPAA patients suffered mainly from ulcerative colitis (n=114) or familial polyposis (n=10). The mean preoperative resting pressure for all patients was 79 mmHg (75–87, 95 percent confidence limit) and the mean fall in this pressure after surgery was 25 mmHg (−21 to −29, 95 percent confidence limit). There was no difference in preoperative pressure or fall between handsewn and stapled anastomoses, or between IPAA and CAA. CONCLUSION: There was a significant relationship between preoperative pressure and change in pressure that held true for all subgroups (change=−0.7 × preoperative pressure + 31,r=0.69). Analysis of the functional results confirmed that patients with high preoperative pressure are at risk for severe falls after surgery and are not guaranteed a good result. Conversely, patients with low preoperative pressures may actually have an increase with surgery and are not always incontinent. Patients with low preoperative anal resting pressures should not be denied anastomosis to the anus if they are continent.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1530-0358
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1530-0358
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1432-1262
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé La multiplication des registres de polypose a permis de diagnostiquer un nombre croissant de sujets jeunes proteurs d'une polypose adénomateuse familiale (FAP). Afin d'établir des recommandations dans la sélection du traitement chirurgical approprié chez des adolescents (10–19 ans), nous avons comparé les résultats de la colectomie et de l'anastomose iliéo-rectale (IRA, n=17 patients) aux résultats de procto-colectomie avec rétablissement de la continuité par l'intermédiaire d'une poche iléoanale (IPAA, n=7 patients). Les dossiers ont été revus afin d'obtenir des données sur la technique opératoire, les pertes sanguines et les transfusions, la durée de séjours hospitaliers (incluant la période nécessaire pour la fermeture de l'iléostomie), ainsi que les complications précoces (à moins de 30 jours de l'opération) et les complications tardives. Les résultats fonctionnels (nombre de selles par 24 h, usage de médications anti-diarrhéïques, fuites et incontinence fécale) et la qualité de la vie ont été évalués prospectivement à l'aide d'un questionnaire et de consultations de contrôle. Le suivi moyen a été de 49 mois (de 6 à 95 mois) après l'IRA et de 36 mois après l'IPAA (de 4 à 87 mois). Bien que la colo-poctectomie avec rétablissement de la continuité par IPAA soit plus longue (5,75-heures vs 3,1) plus sanglante (500 ml pertes sanguines vs 300 ml) et plus complexe avec un séjour hospitalier plus long (12 jours vs 7 jours) que l'IRA (P=0.008, P=0.006 et P=0.002), nous n'avons pas observé de différence P〉0.05 entre les deux groupes en ce qui concerne le taux de complecations et la qualité de vie. Nous recommandons une colo-proctectomie avec rétablissement de la continuité par une IPAA chez des adolescents porteurs d'une polypose adénomateuse familiale et de tapis d'adénome du rectum présentant des cancers curables des deux tiers supérieurs du rectum chez lesquels le follow-up ne pourra que difficilement être assuré. Dans les autres cas, la décision de réaliser une IRA ou une procto-colectomie avec IPAA dépend des souhaits du patient et de l'expérience du chirurgien.
    Notes: Abstract Increasing numbers of polyposis registries have led to more young patients being diagnosed with familial adenomatous polyposis (FAP). To provide guidelines for selecting the appropriate surgical procedure in teenagers (10–19 years), we compared the results of colectomy and ileo-rectal anastomosis (IRA, n=17 patients) to the results of resrorative proctocolectomy and ileal pouch-anal anastomosis (IPAA, n=7 patients). Charts were reviewed to obtain data on the operative technique, blood loss and transfusions, hospital stay (including the time for ileostomy closure), and early (within 30 days of surgery) and late complications. Functional results (bowel movements per 24h, use of antidiarrheal drugs, seepage, and fecal incontinence) and quality of life were evaluated prospectively with a questionnaire and physical examination. The median follow-up time was 49 months (range, 6 to 95 months) after IRA, and 36 months after IPAA (range, 4 to 87 months). Although restorative proctocolectomy and IPAA, is a longer (5.75 vs 3.1 hours), more bloody (500 vs 300 mL blood loss), and more complex operation with a longer hospital stay (12 vs 7 days) than IRA (P=0.008, P=0.006, P=0.02, respectively), no significant difference (P〉0.05) was found between groups concerning the complication rate or quality of life. For teenagers with FAP and rectal carpeting, large rectal adenomas, curable cancer in the upper two-thirds of the rectum, or who are unavailable for follow-up, we recommend a restorative proctocolectomy and IPAA. For the other patients, the decision whether to perform IRA or restorative proctocolectomy with IPAA depends on the patient's desire and the surgeon's skill.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    International journal of colorectal disease 8 (1993), S. 134-138 
    ISSN: 1432-1262
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract This study reviews the recent overall experience in one colorectal surgery department with congenital presacral tumors in adults. 24 patients greater than 21 years of age, who underwent curative resection between January 1980 and August 1992, were analyzed retrospectively. The growths were divided into two broad categories: developmental cysts and chordomas. The most common presenting symptom was pain (19/24). A preoperative evaluation regimen is outlined in the study and includes use of CT scanning, MRI imaging, and possibly the use of endoluminal ultrasound to document the relationship of presacral tumors to pelvic viscera. There were 20 developmental cysts and 4 chordomas treated in this series. 15 of 19 developmental cysts were excised by a posterior approach alone, 2 were excised by an anterior approach alone, and 3 were treated by a combined approach. Trans-sacral excision was carried out in 4 patients with developmental cysts. One chordoma was resected posteriorly and the other 3 through a combined anterior and posterior approach. Three recurrences were diagnosed after excision of developmental cysts at 8, 18, and 41 months postoperatively. Recurrence occurred in 3 of 4 chordoma patients after 25, 32, and 55 months. Reexcision was carried out in all patients. None of the developmental cyst cases developed a second recurrence but 2 of the 3 chordoma patients have recurred, but have undergone local irradiation, which has controlled their disease. A detailed surgical treatment plan is outlined in this article, emphasizing that total excision be the goal surgery, even if this requires a combined anterior and posterior approach. In cases of recurrence of both development cysts and chordoma, re-excision is a reasonable therapeutic option.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    International journal of colorectal disease 2 (1987), S. 158-166 
    ISSN: 1432-1262
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The major complications of rectal surgery that are wholly or partially avoidable by the use of an anatomically based dissection are haemorrhage from presacral veins, perforation of the rectum, damage to pelvic autonomic nerves and inadequate clearance of a rectal cancer. Important technical points in minimising the incidence of these complications are: (1) posterior dissection in the presacral space; (2) entry to this space by sharp dissection immediately posterior to the superior rectal artery; (3) deliberate incision of the rectosacral fascia; (4) anterior dissection posterior to Denonvilliers fascia in benign disease; (5) removal of the entire mesorectum for low rectal cancer. Other anatomical points not widely appreciated are: 1. The middle rectal artery does not run in the lateral ligaments of the rectum, but below them, on levator ani. It reaches the rectum by penetrating Denonvilliers' fascia. 2. The lateral ligaments may contain an accessory middle rectal artery in 25% of cases. 3. The pelvic autonomic nerves are buried in endopelvic fascia on the pelvic side wall, but come to lie close to the anterior aspect of the rectum at the level of the prostate or upper vagina.
    Type of Medium: Electronic Resource
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