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  • 1
    Electronic Resource
    Electronic Resource
    Comparison of acid reduction in antiulcer operations (1997)
    Springer
    Surgical endoscopy and other interventional techniques 11 (1997), S. 123 -125 
    Details
    ISSN: 1432-2218
    Keywords: Key words: Acid reduction — Antiulcer operations — Peptic ulcer disease
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: Three acid-reducing operations have recently been described for the laparoscopic treatment of peptic ulcer disease. These consist of a posterior truncal vagotomy combined with either (1) an anterior seromyotomy (SERO), (2) an anterior highly selective vagotomy (AHSV), or (3) a linear stapled lesser curvature excision (STAP). The purpose of this study was to investigate the physiologic effects of these procedures in terms of basal and maximal acid outputs. Methods: Fifty New Zealand rabbits were prospectively randomized into five open laparotomy groups (n= 10): a control group without vagal manipulation (CON), a bilateral truncal vagotomy with pyloromyotomy group (VP), a SERO group, an AHSV group, and a STAP group. All animals underwent placement of a gastrostomy tube for subsequent gastric secretory analysis. On postoperative day 6, basal acid outputs (BAO) and maximal acid outputs (MAO) following IV pentagastrin stimulation (30 μg/kg/h) were measured. Results were compared statistically using the ANOVA method. Results: Pentagastrin stimulation was associated with a significant increase in MAO in the CON group (p 〈 0.05 vs BAO); however, this response was effectively blunted in all the experimental groups. There were no differences in BAO or MAO between any of the vagotomized groups (SERO, HSV, STAP, VP). Conclusions: We conclude that the three acid-reducing procedures modified for laparoscopy are equally efficacious in reducing gastric acid secretion and that they compare favorably with VP. To our knowledge, this is the first report comparing basal and stimulated gastric acid secretion between these new acid-reducing techniques.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004649900312
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Endoscopic axillary exploration and sentinel lymphadenectomy (1999)
    Springer
    Surgical endoscopy and other interventional techniques 13 (1999), S. 43-47 
    Details
    ISSN: 1432-2218
    Keywords: Key words: Breast cancer — Sentinel nodes — Endoscopy — Axilla
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: Minimally invasive approaches have changed the practice of surgery in several specialties. The purpose of this study was to develop a reproducible endoscopic technique for the evaluation of the axilla in breast cancer patients. Methods: A total of 23 patients with biopsy-proven breast carcinoma were enrolled. Patients were positioned in the supine position with the ipsilateral arm abducted at 90°. A 1-cm skin incision was made at the superior aspect of the axilla. Dissection was carried bluntly to the lateral border of the pectoralis major. A balloon distention device was inserted into the tract and distended under endoscopic vision to create a working space. Insufflation was initiated up to a pressure of 8 mmHg. A 30° laparoscope was introduced for visualization of axillary contents. One or two additional 5-mm cannulas were placed as needed under direct visualization. Manipulation of axillary contents was performed, and in 19 patients a sentinel node identification technique was applied. Results: In all patients, using insufflation and minimal instrument dissection, the axillary vein, long thoracic, and thoracodorsal nerves were found in their usual anatomical locations. Utilizing blunt and sharp dissection, the axilla was thoroughly inspected, and individual lymph nodes were easily identified and extracted. In 11 of 19 patients, a sentinel node or blue dye was identified using isosulfan blue. There was a procedure concordance of 84%, and there were no complications. Conclusions: We describe a novel endoscopic technique for the evaluation of the axilla in breast cancer patients. This technique allows (a) creation of a minimally invasive working space within the axilla, (b) recognition of key axillary anatomic landmarks, and (c) instrument manipulation within the axilla to identify and extract lymph nodes, and apply the sentinel node technique. This is the first report of a minimally invasive approach to axillary exploration to employ sentinel lymph node mapping.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004649900895
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    Paper (German National Licenses)
    Fulltext
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