[Use of lasers in surgery of duodenal ulcers].
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Biomedical subjects
Publications and source records attributed to Iu I Kalish.
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From 1975 to 1989, 97 patients with ulcer diseases and concomitant obesity were operated on at the Tashkent branch of the All-Union Scientific Surgical Centre, Academy of Sciences of the USSR. The patients with a gastroduodenal ulcer, II and higher degree of morbid obesity accounted for 2.4% of the total number of patients operated on for ulcer disease. Gastric ulcer was diagnosed in 20 patients, a duodenal one--in 77. All the patients were operated on for disease complications. Of them, 36 underwent Billroth-II gastric resection, the remaining patients--Billroth-I gastric resection and truncal vagotomy with drainage operation. The best immediate result was noted after performance of truncal vagotomy with drainage operation. Use of gastric resection in a given category of patients is accompanied by the development of a large number of local and general complications.
Analysis was made of the rate of clinical manifestations and complications in 77 patients with overweight exceeding stage I obesity, suffering from duodenal ulcer. In the overwhelming majority of the patients, the disease ran with typical complaints and the diagnosis of peptic ulcer was not difficult. In subjects prone to and suffering from obesity, duodenal ulcer accounted for 2.3% among all the patients with duodenal ulcers. The patients were noted to be fairly prone to complications, particularly to the stenosing of the duodenum. Concomitant complications occurred frequently enough (36.3%). In obese patients, nontypical "low" localization of duodenal ulcer and a high proneness to hypersecretion were encountered more frequently.
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In patients with an ulcer of the stomach and duodenum at the immediate postoperative period in the complex of treatment, the low intensity laser irradiation of the anastomosis (after gastric resection) and ulcer (after the organ-preserving operations) according to the developed method by means of the modified LG-75 apparatus was used. The use of a helium-neon laser contributed to development of the severe form of anastomositis and subsequent gastrostasis. In study of gastric secretion, no considerable changes in acid formation were revealed.
A plasma surgical device and a CO2-laser device were used in operative treatment of 46 patients with hydatid disease of the liver; in 25 in the patients these measures were combined with exposure to low-energy helium-neon laser radiation. The patients' condition improved more rapidly, the frequency of postoperative complications reduced, the term of postoperative hospital stay of the patients decreased. The fibrous capsule was studied morphologically before and after manipulations with the laser and plasma scalpel.
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The authors analyze in detail the literature on the subject and the results of treatment of 234 patients over 60 years of age. It is confirmed that peptic ulcer in elderly and old-aged individuals has some specific features. The mortality rate after planned surgical interventions for gastric and duodenal ulcer in patients over 60 years was 5.0% and 3.9%, respectively. Emergency surgical interventions for complications of peptic ulcer at old age led to death in 44.4% and 50% of cases, respectively. It is concluded that the range of indications for planned and earlier surgical treatment of peptic ulcer in the elderly must be widened.
Studies carried out by the authors provided basis for distribution of rarely occurring chronic gastric ulcers into groups: according to the site (proximal ulcers), to the size (giant ones), to the number (multiple ones), and to the typologic features (combined with duodenal ones and ulcers of the pyloric ring and prepyloric part of the stomach). The given ulcers differ from genuine ones in the appearance and the rate of complications determined by morphologic criteria.
The authors analyse the results of endoscopy in 127 patients and clinical observations over 98 patients with giant ulcers of the stomach. The study provided evidence of the low frequency of giant ulcers, their marked polymorphism, and tendency to bleed and degenerate. These ulcers do not differ from the usual ulcers in the values of the secretory activity of the stomach and the duodenogastric reflux, but possess characteristic morphologic criteria. Giant ulcers are marked by higher operative mortality and the late-term results of surgical treatment of these patients yield to those in cases of usual gastric ulcers. Giant ulcers occur most frequently in the elderly.
The article analyses the results of endoscopic examination of 1,476 patients with chronic gastric ulcer and the data on clinical observation over 114 patients with peptic ulcer complicated by hemorrhage. The following rare forms should be distinguished among chronic gastric ulcers: proximal, giant, multiple, ulcers of the pyloric ring or prepyloric ulcers combined with duodenal ulcers. These ulcers differ from true gastric ulcers in being often complicated by hemorrhage, which is usually profuse. Many operations are performed at the peak of hemorrhage. Resection of the stomach should be considered the operation of choice in these patients.
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