منابع مشابه
solution of security constrained unit commitment problem by a new multi-objective optimization method
چکیده-پخش بار بهینه به عنوان یکی از ابزار زیر بنایی برای تحلیل سیستم های قدرت پیچیده ،برای مدت طولانی مورد بررسی قرار گرفته است.پخش بار بهینه توابع هدف یک سیستم قدرت از جمله تابع هزینه سوخت ،آلودگی ،تلفات را بهینه می کند،و هم زمان قیود سیستم قدرت را نیز برآورده می کند.در کلی ترین حالتopf یک مساله بهینه سازی غیر خطی ،غیر محدب،مقیاس بزرگ،و ایستا می باشد که می تواند شامل متغیرهای کنترلی پیوسته و گ...
Novel cost-effective method of laparoscopic feeding-jejunostomy
A feeding jejunostomy tube placement is required for entral feeding in a variety of clinical scenarios. It offers an advantage over gastrostomies by eliminating the risk of aspiration. Standard described laparoscopic methods require special instrumentation and expensive custom-made tubes. We describe a simple cost-effective method of feeding jejunostomy using regular laparoscopic instruments an...
متن کاملAlternative method for jejunostomy in Ivor-Lewis esophagectomy
BACKGROUND To supplement nutrition, jejunostomy has been widely adopted as an adjunct surgical procedure for Ivor-Lewis esophagectomy. Most Chinese surgeons have a preference for parenteral nutrition even though it has some disadvantages compared with jejunostomy. In this report, we describe a new approach that allows the quick insertion of a feeding tube in Ivor-Lewis esophagectomy. We retrosp...
متن کاملJejunojejunal Intussusception following Jejunostomy
Intussusception is an invagination of a segment of the gastrointestinal tract into an adjacent one. Jejunojejunal intussusception is a rare complication of jejunostomy tube placement with an incidence of 1%. We are reporting a case of 35-year-old man who was suffering from severe oral, lesions due to Ingestion of acide agents. He received Witzel jejunostomy for early feeding. Ileus developed po...
متن کاملJejunojejunal intussusception following jejunostomy.
Jejunojejunal intussusception is a rare complication of jejunostomy, and its preoperative diagnosis and surgical treatment have not been reported. A 78-year-old man suffered from vomiting off and on after emergency exploratory laparotomy with omentoplasty for perforated duodenal ulcer. He also received Witzel jejunostomy for early feeding. Ileus developed postoperatively and plain X-ray of the ...
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ژورنال
عنوان ژورنال: Annals of Surgery
سال: 1894
ISSN: 0003-4932
DOI: 10.1097/00000658-189407000-00035