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  • 1
    Electronic Resource
    Electronic Resource
    Anorectal physiology testing (1991)
    Springer
    Diseases of the colon & rectum 34 (1991), S. 464-468 
    Details
    ISSN: 1530-0358
    Keywords: Anorectal physiology ; Biofeedback ; Colon and rectal surgery ; Defecography ; Electromyography ; Gastrointestinal transit ; Manometry ; Sigmoidoscopy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Survey forms were sent to all members of the Coloproctology Section of the Royal Society of Medicine and the American Society of Colon and Rectal Surgeons to obtain their opinions of the availability, actual use, and perceived helpfulness of different methods for the evaluation of the physiology of the colon and rectum. Responses revealed a similarity in age and practice patterns in both groups. Of the 19 methods surveyed, greater than 90 percent of respondents in both groups rely on three traditional methods of patient evaluation: patient history, digital examination, and sigmoidoscopy. Four other methods have gained acceptance by the majority of respondents in both groups: colon transit studies, defecography, perfused-catheter manometry, and rectal compliance. The three methods ranked lowest in availability, actual use, and helpfulness by both groups were single-fiber electromyography, use of a perineometer, and evoked potential studies. Our study provides a baseline for future surveys on the investigative efforts of physicians studying the physiology of the colon, rectum, and anus.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02049930
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  • 2
    Electronic Resource
    Electronic Resource
    Thermal imaging in the detection of bowel ischemia (2000)
    Springer
    Diseases of the colon & rectum 43 (2000), S. 1319-1321 
    Details
    ISSN: 1530-0358
    Keywords: Thermal imaging ; Bowel ischemia ; Mesenteric ischemia ; Doppler ultrasound ; Fluorescein ; Infrared
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract PURPOSE: The aim of this study was to introduce thermal imaging in the intraoperative detection of bowel ischemia by comparing thermal imaging with conventional techniques in detecting acutely ischemic bowel, using histologic evidence for intestinal necrosis as the standard. METHODS: A prospective study was performed using a porcine model. Laparotomy was performed on four pigs under general anesthesia. A 25-cm segment of mid jejunum was tagged with proximal and distal sutures, and its mesentery was ligated and divided. Thermal imaging, visual inspection, Doppler ultrasound, and fluorescence with Wood's lamp after fluorescein were used to estimate the extent of bowel ischemia five minutes after ligation of the mesentery. Measurements were taken in reference to both the proximal and distal tags to obtain two data points per animal for each method. After two hours of warm ischemia, the jejunum was harvested and sectioned longitudinally. Comparisons were made between the estimated region of necrosis for each method and microscopic evidence of necrosis. RESULTS: Visual inspection was the only method unable to detect a difference between vascularized and devascularized bowel for each of the eight data points. Fluorescein dye missed 3 cm of ischemic bowel. Doppler ultrasound and thermal imaging were 100 percent sensitive for necrotic bowel, with thermal imaging overestimating necrosis to a greater extent than Doppler ultrasound. The positive predictive value of fluorescein dye, Doppler ultrasound, and thermal imaging for determining nonviable bowel was 91.8, 80.8, and 69.5 percent, respectively. CONCLUSIONS: Thermal imaging has the potential to be a useful adjunct in the intraoperative determination of bowel ischemia. Further studies are indicated to study this technique.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02237446
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  • 3
    Electronic Resource
    Electronic Resource
    Laparoscopic-assisted full-thickness endoscopic polypectomy (1993)
    Springer
    Diseases of the colon & rectum 36 (1993), S. 693-695 
    Details
    ISSN: 1530-0358
    Keywords: Laparoscopy ; Polypectomy ; Endoscopy ; Surgical technique
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract PURPOSE: To describe the procedure for endoscopically removing sessile colonic polyps with laparoscopic assistance. METHODS: Technique description and retrospective review of experience. RESULTS: The technique has been used to successfully remove polypoid colonie lesions in three patients. CONCLUSIONS: Laparoscopicassisted polypectomy allows complete excision of moderate-sized sessile polyps and may spare selected patients a colonie resection.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02238598
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  • 4
    Electronic Resource
    Electronic Resource
    Combination therapy for epidermoid carcinoma of the anal canal (1994)
    Springer
    Diseases of the colon & rectum 37 (1994), S. 1118-1125 
    Details
    ISSN: 1530-0358
    Keywords: Carcinoma, anal ; Chemotherapy ; Radiotherapy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract PURPOSE: This study was designed to assess results of chemoradiation therapy for epidermoid carcinoma of the anal canal. METHODS: A retrospective review of records of the prospective database revealed 35 patients who had been diagnosed with anal canal carcinoma and treated with chemoradiotherapy at Wilford Hall USAF Medical Center (tertiary referral hospital) from 1981 to 1991. RESULTS: Patients ranged in age from 35 to 80 (mean, 59) years, and 63 percent were women. Primary tumors ranged from 1 to 8 cm in diameter (mean, 3 cm). The first six patients had an abdominoperineal resection (APR) after chemoradiotherapy, and no residual tumor was identified in the specimens. In the subsequent 29 patients who did not have APR, 5 had moderate problems with anal continence, and one required a diverting colostomy for incontinence. Follow-up ranged from 4 months to 12.9 years (mean, 5.2 years). There were two pelvic recurrences, and three patients developed distal metastasis. Eight patients died during follow-up, including three with recurrent or persistent disease. Five-year survival using life-table analysis was 89 percent. CONCLUSION: Long-term follow-up confirms that chemoradiation remains the preferred therapy for epidermoid carcinoma of the anal canal.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02049814
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