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基于GVT的瞬间消息及并发问题的深入研究
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作者 王学慧 黄柯棣 《系统仿真学报》 EI CAS CSCD 北大核心 2006年第5期1222-1226,共5页
对基于GVT算法的全局控制机制中的瞬间消息及并发报告两大难点的核心问题进行深入的研究和讨论。文章首先介绍了GVT的定义,紧接着讨论了它与LBTS的区别,其次分析了瞬间消息问题及其解决途径,在此基础上提出了一种简单的同步GVT算法。文... 对基于GVT算法的全局控制机制中的瞬间消息及并发报告两大难点的核心问题进行深入的研究和讨论。文章首先介绍了GVT的定义,紧接着讨论了它与LBTS的区别,其次分析了瞬间消息问题及其解决途径,在此基础上提出了一种简单的同步GVT算法。文章余下部分深入讨论了并发报告问题,并提供了解决该问题的基本异步GVT算法,最后在深入阐述一致切点、双切点机制的基础上提出了双切点GVT算法,并详尽描述了这个优化GVT算法的设计与实现。 展开更多
关键词 全局控制机制 瞬间消息 并发报告 一致切点 双切点机制 双切点GVT算法
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Severe delayed complication after percutaneous endoscopic colostomy for chronic intestinal pseudo-obstruction: A case report and review of the literature 被引量:4
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作者 David Bertolini Philippe De Saussure +2 位作者 Michael Chilcott Marc Girardin Jean-Marc Dumonceau 《World Journal of Gastroenterology》 SCIE CAS CSCD 2007年第15期2255-2257,共3页
Percutaneous endoscopic colostomy (PEC) is increasingly proposed as an alternative to surgery to treat various disorders, including acute colonic pseudo-obstruction, chronic intestinal pseudo-obstruction and relapsi... Percutaneous endoscopic colostomy (PEC) is increasingly proposed as an alternative to surgery to treat various disorders, including acute colonic pseudo-obstruction, chronic intestinal pseudo-obstruction and relapsing sigmoid volvulus. We report on a severe complication that occurred two months after PEC placement. A 74-year-old man with a history of chronic intestinal pseudo-obstruction evolving since 8 years was readmitted to our hospital and received PEC to provide long-standing relief. The procedure was uneventful and greatly improved the patient's quality of life. Two months later, the patient developed acute stercoral peritonitis. At laparotomy, the colostomy flange was embedded in the abdominal wall but no pressure necrosis was found at the level of the colonic wall. This complication was likely related to inadvertent traction of the colostomy tube. Subtotal colectomy with terminal ileostomy was performed. We review the major features of 60 cases of PEC reported to date, including indications and complications. 展开更多
关键词 Percutaneous endoscopic colostomy Complications Colonic pseudo-obstruction ILEUS PERITONITIS
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Ureteral Stent Fragmentation:a Case Report and Review of Literature 被引量:2
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作者 Ji-rui Niu Zhi-gang Ji +3 位作者 Shi Rong Quan-zong Mao Hua Fan Xiao He 《Chinese Medical Sciences Journal》 CAS CSCD 2013年第2期124-126,共3页
SINCE the introduction of double J stents in 1978, ureteral stents have become an integral tool in treating ureteral obstruction from calculi and other causes.1 Owing to the widespread usageof indwelling ureteral cath... SINCE the introduction of double J stents in 1978, ureteral stents have become an integral tool in treating ureteral obstruction from calculi and other causes.1 Owing to the widespread usageof indwelling ureteral catheters, a number of possible complications such as migration, infection, pyelonephritis, breakage, encrustation, stone formation, and ureteral stents fragmentation have been noted.2 Of all the complications, ureteral stent fragmentation was sporadically reported and believed to be rare. Here we present a case of fragmentation of a new type of double J stent, which was used to provide free drainage to the bladder after balloon dilation. 展开更多
关键词 ureteral stent fragmentation ureteral foreign body COMPLICATION
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Complicated small-bowel diverticulosis: A case report and review of the literature 被引量:6
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作者 Woubet T Kassahun Josef Fangmann +2 位作者 Jens Harms Michael Bartels Johann Hauss 《World Journal of Gastroenterology》 SCIE CAS CSCD 2007年第15期2240-2242,共3页
While jejunoileal diverticula are rare and often asymptomatic, they may lead to chronic non-specific or acute symptoms. The large majority of complications present with an acute abdomen similar to appendicitis, cholec... While jejunoileal diverticula are rare and often asymptomatic, they may lead to chronic non-specific or acute symptoms. The large majority of complications present with an acute abdomen similar to appendicitis, cholecystitis or colonic diverticulitis but they also may appear with atypical symptoms. As a result, diagnosis of complicated jejunoileal diverticulosis can be quite difficult, and may solely depend on the result of surgical exploration. In the absence of contra-indications, diagnostic laparoscopy has the benefit of thorough examination of the abdominal contents and helps to reach an absolute diagnosis. Surgical resection of the involved small-bowel segment with primary anastomosis is the preferred treatment in patients with symptomatic complicated jejunoileal diverticular disease. An atypical presentation of complicated jejunal diverticulitis in conjunction with sigmoid diverticulitis diagnosed with laparoscopy and treated with surgical resection is presented. 展开更多
关键词 Jejunoileal diverticulosis Diverticulitis Small-bowel resection PERFORATION LAPAROSCOPY
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A case of biliary gastric fistula following percutaneous radiofrequency thermal ablation of hepatocellular carcinoma 被引量:6
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作者 Angela Falco Dante Orlando +1 位作者 Roberto Sciarra Luciano Sergiacomo 《World Journal of Gastroenterology》 SCIE CAS CSCD 2007年第5期804-805,共2页
Percutaneous radiofrequency thermal ablation (RFA) is an effective and safe therapeutic modality in the management of liver malignancies, performed with ultrasound guidance. Potential complications of RFA include li... Percutaneous radiofrequency thermal ablation (RFA) is an effective and safe therapeutic modality in the management of liver malignancies, performed with ultrasound guidance. Potential complications of RFA include liver abscess, ascites, pleural effusion, skin burn, hypoxemia, pneumothorax, subcapsular hematoma, hemoperitoneum, liver failure, tumour seeding, biliary lesions. Here we describe for the first time a case of biliary gastric fistula occurred in a 66-year old man with a Child's class A alcoholic liver cirrhosis as a complication of RFA of a large hepatocellular carcinoma lesion in the nl segment. In the light of this case, RFA with injection of saline between the liver and adjacent gastrointestinal tract, as well as laparoscopic RFA, ethanol injection (PEI), or other techniques such as chemoembolization, appear to be more indicated than percutaneous RFA for large lesions close to the gastrointestinal tract. 展开更多
关键词 Radiofrequency thermal ablation Hepatocellular carcinoma Biliary gastric fistula COMPLICATIONS
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基层医院腹腔镜胆囊切除术842例治疗体会 被引量:2
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作者 张建康 樊飞鹏 《中国社区医师(医学专业)》 2009年第18期61-61,共1页
目的:探讨腹腔镜在基层医院普及的可行性和主要并发症的预防。方法:回顾分析842例腹腔镜胆囊切除术(LC术)的临床资料。结果:842例腹腔镜胆囊切除术,成功814例,中转开腹28例,中转率3.3%。发生并发症10例,其中胆管损伤2例,腹腔内出血1例,... 目的:探讨腹腔镜在基层医院普及的可行性和主要并发症的预防。方法:回顾分析842例腹腔镜胆囊切除术(LC术)的临床资料。结果:842例腹腔镜胆囊切除术,成功814例,中转开腹28例,中转率3.3%。发生并发症10例,其中胆管损伤2例,腹腔内出血1例,胆漏2例,腹腔感染1例,胆管残余结石2例,遗漏腹腔内病变2例。结论:腹腔镜胆囊切除术在基层医院的开展日益成熟,成为治疗胆囊良性痰患的"金标准"。术中操作仔细,辨明胆囊三角结构,能避免严重并发症的发生。 展开更多
关键词 胆囊切除术 腹腔镜 并发症病例报告
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Synchronous bilateral multiple chromophobe cell renal carcinoma complicated with right kidney cyst: a case report 被引量:1
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作者 Li Xungang Cui Xingang +6 位作者 Zhang Dongxu Xu Danfeng Gao Yi Yin Lei Jiang Lei Li Yuli Chen Ming 《Journal of Medical Colleges of PLA(China)》 CAS 2012年第1期58-62,共5页
Synchronous bilateral multiple chromophobe cell renal carcinoma is rare; here we report a case diagnosed with bilateral renal multiple tumors complicated with a cyst in the right kidney. Retroperitoneal laparoscopic b... Synchronous bilateral multiple chromophobe cell renal carcinoma is rare; here we report a case diagnosed with bilateral renal multiple tumors complicated with a cyst in the right kidney. Retroperitoneal laparoscopic bilateral nephron sparing surgery was performed and there was no serious postoperative renal dysfunction. Pathological and immunohistochemical diagnoses of both tumors were chromophobe cell renal carcinoma. The patient has been doing well without any evidence of recurrence or metastasis for 6 months. 展开更多
关键词 Chromophobe cell renal carcinoma Nephron sparing surgery Retroperitoneal laparoscopy
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Intrauterine contraceptive device appendicitis: A case report
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作者 Chung-Bao Hsieh Chung-Jueng Chen Jyh-Cherng Yu 《World Journal of Gastroenterology》 SCIE CAS CSCD 2005年第34期5414-5415,共2页
Uterine perforation is one of the serious complications associated with use of the intrauterine contraceptive device (IUD). Uterine perforaUon by IUD can involve several neighboring organs. A case of acute appendici... Uterine perforation is one of the serious complications associated with use of the intrauterine contraceptive device (IUD). Uterine perforaUon by IUD can involve several neighboring organs. A case of acute appendicitis was caused by a Multiload Cu 375 TUD inserted previously. This is a rare complication and only fourteen previous cases were recorded in the literature. 展开更多
关键词 Appendidcitis Intrauterine contraceptive device Uterine perforation
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An unhappy triad:Hemochromatosis, porphyria cutanea tarda and hepatocellular carcinoma-A case report
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作者 Martina T Mogl Andreas Pascher +3 位作者 Sabine J Presser Michael Schwabe Peter Neuhaus Natascha C Nuessler 《World Journal of Gastroenterology》 SCIE CAS CSCD 2007年第13期1998-2001,共4页
Liver fibrosis and cirrhosis are predisposing factors for the development of hepatocellular carcinoma (HCC). Hemosiderosis has also been described to trigger carcinogenesis. A significant iron overload, as found in ... Liver fibrosis and cirrhosis are predisposing factors for the development of hepatocellular carcinoma (HCC). Hemosiderosis has also been described to trigger carcinogenesis. A significant iron overload, as found in hereditary hemochromatosis (HHC), is a risk factor for HCC and may also promote the symptoms of porphyria cutanea tarda (PCT). A 68-year old male patient presented to our clinic with a suspected HCC, elevated alpha-fetoprotein but normal liver function tests. He reported a 25 year-old history of vitiligo upon exposure to sunlight. The patient underwent an extended left hemihepatectomy, and the recovery was uneventful, with the exception of a persistent hyperbilirubinemia. Perfusion problems and extrahepatic cholestasis were ruled out by CT-scan with angiography and MR-cholangiopancreatography. However, MR1 showed an iron overload. Histology confirmed the HCC (pT3, pN0, G3, R0) and revealed a portal fibrosis and hemosiderosis. Based on the skin lesions we suspected a PCT that was confirmed by laboratory tests showing elevated porphyrin, uroporphyrin, coproporphyrin and porphobilinogen. Concurrently, molecular diagnostics revealed homozygosity for the C282Y mutation within the hemochromatosis HFE gene. After phlebotomy and normalization of liver function tests the patient was discharged. This is the first case ever showing the unusual combination of HCC in a fibrotic liver with HHC and PCT. This diagnosis not only warrants oncological follow-up but also symptomatic therapy to normalize iron metabolism and thereby improve liver function and alleviate the symptoms of HHC and PCT. Thus progression of fibrosis may be prevented and liver regeneration supported. 展开更多
关键词 Hepatocellular carcinoma HEMOCHROMATOSIS Porphyria cutanea tarda
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Orbital apex syndrome due to trauma in a 3-year-old boy 被引量:7
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作者 刘莛 贺翔鸽 《Chinese Journal of Traumatology》 CAS 2003年第4期252-253,共2页
Orbital apex syndrome is a disastrous ophthalmic disease which usually leads to visual loss and immobility in the injured eyes. Up to now, no effective treatment has been achieved. So as much as possible attention sho... Orbital apex syndrome is a disastrous ophthalmic disease which usually leads to visual loss and immobility in the injured eyes. Up to now, no effective treatment has been achieved. So as much as possible attention should be paid to prevent such tragedies. 展开更多
关键词 Child Preschool Eye Injuries Humans MALE Orbital Diseases Syndrome
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