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Colonic ischemia

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https://www.readbyqxmd.com/read/29325325/-expression-of-microrna-155-in-inflammatory-bowel-disease-and-its-clinical-significance
#1
Y L Ye, Z Pang, W Gu, J J Zheng
Objective: To explore the expression of microRNA-155 in colonic mucosa and peripheral blood in patients with inflammatory bowel disease(IBD), and to examine the clinical value and significance of microRNA-155 in the diagnosis of IBD. Methods: Quatitative reverse-transcription PCR was performed to detect the expression of microRNA-155 in 20 patients with Crohn disease(CD), 21 patients with ulcerative colitis (UC), 18 patients with IBD type unclassified(IBDU), 25 healthy people(control group), 12 patients with infection colitis and 19 patients with ischemia colitis...
December 19, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29323625/catheter-associated-urinary-tract-infections-in-persons-with-neurogenic-bladders
#2
Todd A Linsenmeyer
This review is based on the author's Donald Munro Lecture given at the annual conference of the Academy of Spinal Cord Injury Professionals in New Orleans, LA. Indwelling catheters play an important role in bladder management following SCI for many individuals with neurogenic bladders. There is an increased risk of UTI compared to other types of bladder management with indwelling urethral catheters but not SP catheters. To minimize the risk of symptomatic UTI, the following steps are essential: prevent bladder wall distention and resulting ischemia, maintain colonization with "good" bacteria, and prevent bladder stones...
January 11, 2018: Journal of Spinal Cord Medicine
https://www.readbyqxmd.com/read/29322641/case-of-laparoscopic-right-hemicolectomy-for-ascending-colon-cancer-after-aortic-graft-replacement-and-revascularization-of-the-superior-mesenteric-artery
#3
Kiyotaka Hagihara, Hidekazu Takahashi, Norikatsu Miyoshi, Naotsugu Haraguchi, Taishi Hata, Chu Matsuda, Tsunekazu Mizushima, Hirofumi Yamamoto, Yuichiro Doki, Masaki Mori
A 67-year-old man who presented with a bloody stool was diagnosed with ascending colon cancer. He had previously experienced thoracic and abdominal aortic dissections, which were treated with thoracic and abdominal aortic grafts and superior mesenteric artery revascularization. We performed a laparoscopic right hemicolectomy with a D3 lymph node dissection. During the laparotomy, we identified the superior mesenteric artery and an enlarged anterior superior pancreaticoduodenal artery. Injury to the latter artery could lead to severe ischemia in multiple organs; therefore, it was crucial to identify the primary feeding artery and vascular anatomy before and during surgery...
January 11, 2018: Asian Journal of Endoscopic Surgery
https://www.readbyqxmd.com/read/29316285/colonic-ischemia-developed-after-laparoscopic-colectomy-for-rectosigmoid-cancer-with-focal-infrarenal-aortic-stenosis
#4
Atsuyo Ikeda, Hidekazu Takahashi, Norikatsu Miyoshi, Naotsugu Haraguchi, Taishi Hata, Chu Matsuda, Hirofumi Yamamoto, Tsunekazu Mizushima, Yuichiro Doki, Masaki Mori
A 69-year-old woman with focal infrarenal aortic stenosis was diagnosed with rectosigmoid cancer. Because radical resection for colon cancer required dissection of vessels that supplied blood flow to the legs, revascularization by aortic stent placement was performed before the colectomy. We subsequently performed laparoscopic low anterior resection without any complications. Two and a half years after colectomy, however, the patient developed colonic ischemia due to thrombosis of the dilated marginal artery that served as a collateral artery before stenting...
January 8, 2018: Asian Journal of Endoscopic Surgery
https://www.readbyqxmd.com/read/29311721/rizatriptan-induced-colonic-ischemia-a-case-report-and-literature-review
#5
Thomas D Dieringer, David M Crossland, Thomas C Mahl
No abstract text is available yet for this article.
January 2018: American Journal of Gastroenterology
https://www.readbyqxmd.com/read/29310345/inferior-mesenteric-arteriovenous-fistula-with-nonpulsatile-abdominal-mass-a-case-report-and-a-mini-review
#6
Ling Cheng, Ruifeng Zhao, Di Guo, Kailin Cai, Kaifang Zou, Jun Yang, Liangru Zhu
RATIONALE: Inferior mesenteric arteriovenous fistula (IMAVF) is a rare condition principally characterized by portal hypertension and ischemic bowel disease. Up to now, only 30 cases have been reported. Presented here is an IMAVF patient with nonpulsatile abdominal mass as the main manifestation. PATIENT CONCERNS: A 62-year-old Chinese male who complained of abdominal discomfort for a month was admitted to our hospital. Physical examination revealed a hard and hardly mobile mass...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29290506/thigh-emphysema-as-the-initial-presentation-of-colon-ischemia
#7
Chin-Chuan Hsu, Ping-Yuan Chen, Chih-Cheng Lai
The incidence of colon ischemia has increased in recent years, and is associated with high morbidity and mortality. The typical presentations of colon ischemia include abdominal pain, bloody diarrhea, and in severe case, ileus, fever and peritonitis. Here, we document a rare case of colon ischemia presenting with subcutaneous and intramuscular emphysema of the thigh. A 76-year-old woman presented to the emergency department for left thigh pain for three days. Physical examination revealed tenderness without obvious crepitus, erythema or swelling over the left groin area and a soft abdomen without tenderness...
December 6, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29261351/clinical-value-of-ct-colonography-versus-preoperative-colonoscopy-in-the-surgical-management-of-occlusive-colorectal-cancer
#8
Natally Horvat, Aradhna Raj, John M Ward, J Joshua Smith, Arnold J Markowitz, Marc J Gollub
OBJECTIVE: CT colonography (CTC) has been recognized as a complementary approach to evaluating the entire colon after incomplete colonoscopy (IC) in patients with occlusive colorectal cancer (CRC). The objective of this study is to evaluate changes in preoperative surgical planning after CTC is performed for patients with occlusive CRC and IC in an oncologic hospital. MATERIALS AND METHODS: This retrospective study included 65 consecutive patients with occlusive CRC who underwent CTC after IC at our institution from February 2000 to April 2016...
December 20, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29198548/embolization-of-arterial-gastrointestinal-hemorrhage-with-fuaile-medical%C3%A2-adhesive
#9
Min Xu, Xiaoli Zhu, Yizhi Liu, Zhi Li, Tianzhi An, Tianpeng Jiang, Jie Song, Lizhou Wang, Shi Zhou, Caifang Ni
BACKGROUND: To investigate the safety and effectiveness of Fuaile medical adhesive (FAL) with superselective catheterization in endovascular embolotherapy for the treatment of gastrointestinal hemorrhage (GIH) that was unresponsive to internal medicine treatment and gastroscopy management. METHODS: A total of 25 patients with GIH, confirmed using angiography but with failed results after internal medicine treatment or gastroscopy were retrospectively analyzed. A mixture of lipiodol and FAL (1:1) was used to embolize the bleeding vessels...
November 30, 2017: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/29181149/a-case-of-pneumatosis-intestinalis-during-neoadjuvant-chemotherapy-with-cisplatin-and-5-fluorouracil-for-esophageal-cancer%C3%A2
#10
Keita Kouzu, Hironori Tsujimoto, Shuichi Hiraki, Risa Takahata, Yoshihisa Yaguchi, Isao Kumano, Hiroyuki Horiguchi, Shinsuke Nomura, Ken Nagata, Manabu Harada, Hiromi Nagata, Takao Sugihara, Yusuke Ishibashi, Yujiro Itazaki, Satoshi Tsuchiya, Suefumi Aosasa, Kazuo Hase, Junji Yamamoto, Hideki Ueno
Pneumatosis intestinalis (PI) is a relatively rare disease. A 70-year-old man with stage II squamous cell carcinoma of the middle thoracic esophagus was administered cisplatin plus 5-fluorouracil (CF) therapy as neoadjuvant chemotherapy. On Day 14 of the first course of CF therapy, he complained of acute abdominal pain. Computed tomography (CT) revealed PI of the entire colon and a small air bubble in the mesentery. A colonoscopy revealed that there was no finding suggestive of ischemia. Because there was no sign of peritoneal irritation, conservative treatment was selected...
November 2017: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/29179680/stercoral-colitis-complicated-with-ischemic-colitis-a-double-edge-sword
#11
Maliha Naseer, Jenil Gandhi, Noor Chams, Zain Kulairi
BACKGROUND: Stercoral colitis is a rare inflammatory process involving the colonic wall secondary to fecal impaction with high morbidity and mortality; especially if complicated with ischemic colitis, stercoral ulcer formation and subsequent perforation. There are several case reports published on abdominal perforation resulting from stercoral colitis. However, stercoral colitis complicated by ischemic colitis is rare. The purpose of this case report is to describe the potential challenges in the diagnosis and management of stercoral colitis with ischemic colitis...
November 28, 2017: BMC Gastroenterology
https://www.readbyqxmd.com/read/29140838/assessing-specimens-of-devitalized-tissue-in-chronic-sacral-pressure-ulcers-a-pilot-study
#12
Juliany Lino Gomes Silva, Andressa Coope, Eliana Pereira de Araújo, Licio A Velloso, Mário José A Saad, Maria Helena Melo Lima
Pressure ulcers (PrUs)* are chronic wounds caused by a combination of factors, such as repetitive ischemia perfusion injury, bacterial colonization of the wound bed, local tissue hypoxia, or an altered cellular and systemic stress response. The objectives of this study were to analyze fragments of devitalized tissue of Stages III and IV PrUs and compare them with healthy tissue to evaluate the expression of the genes involved in wound inflammation. Samples of healthy skin from patients undergoing plastic surgery (n = 3) were collected, as well as from patients with devitalized tissue from Stages III and IV PrUs (n = 3) by means of sharp debridement...
December 2017: Advances in Skin & Wound Care
https://www.readbyqxmd.com/read/29124121/patients-comorbidities-reduce-the-clinical-value-of-emergency-colonoscopy-results-of-a-retrospective-cohort-study
#13
Cristiano Cremone, Anouk Esch, Charlotte Gagniere, Alessandro Fugazza, Faria Mesli, Michael Levy, Aurelien Amiot, Alexis Laurent, Yann LeBaleur, Francois Hemery, Nicolas De'Angelis, Francesco Brunetti, Iradj Sobhani
Background and study aims:  Urgent endoscopy is often used to diagnose and sometimes treat acute upper gastrointestinal syndromes (hemorrhage, toxic ingestion, and occlusion). However, its suitability concerning the management of lower gastrointestinal conditions in emergency circumstances is controversial. Patients and methods:  We studied the role of emergency colonoscopy in diagnosis and treatment of all consecutive patients presenting with acute lower gastrointestinal symptoms referred to our hospital on an emergency basis...
November 2017: Endoscopy International Open
https://www.readbyqxmd.com/read/29094030/mortality-risk-factor-analysis-in-colonic-perforation-would-retroperitoneal-contamination-increase-mortality-in-colonic-perforation
#14
Ri Na Yoo, Bong-Hyeon Kye, Gun Kim, Hyung Jin Kim, Hyeon-Min Cho
Purpose: Colonic perforation is a lethal condition presenting high morbidity and mortality in spite of urgent surgical treatment. This study investigated the surgical outcome of patients with colonic perforation associated with retroperitoneal contamination. Methods: Retrospective analysis was performed for 30 patients diagnosed with colonic perforation caused by either inflammation or ischemia who underwent urgent surgical treatment in our facility from January 2005 to December 2014...
October 2017: Annals of Surgical Treatment and Research
https://www.readbyqxmd.com/read/29089696/the-effects-of-simvastatin-on-ischemia-reperfusion-injury-in-an-experimental-colon-anastomosis-model
#15
Mahmut Akarsu, Oral Saygun, Kuzey Aydinuraz, Oktay Aydin, Cagatay Erden Daphan, Fatma Benli Tanrıkulu, Ucler Kisa, Faruk Metin Comu
Anastomotic leakage is more frequently reported in colonic anastomoses. Ischemia reperfusion injury is one of the main reasons for anastomotic leakage. Simvastatin is known to prevent tissue damage induced by free oxygen radicals after ischemia reperfusion injury. The effect of simvastatin on colonic anastomosis impaired by ischemia reperfusion injury is investigated. Single layer, end-to-end colocolic anastomosis after 0.5-cm colon resection was performed in Wistar Albino rats. In Group 1 (control) (n = 10), colonic anastomosis without I-R was performed...
October 2017: Indian Journal of Surgery
https://www.readbyqxmd.com/read/29061584/low-cerebral-exposure-cannot-hinder-the-neuroprotective-effects-of-panax-notoginsenosides
#16
Haofeng Li, Jingcheng Xiao, Xinuo Li, Huimin Chen, Dian Kang, Yuhao Shao, Boyu Shen, Zhangpei Zhu, Xiaoxi Yin, Lin Xie, Guangji Wang, Yan Liang
A bidirectional route of communication between the gastrointestinal tract and the central nervous system, termed the "gut-brain axis", is becoming increasingly relevant to treatment of cerebral damage. Panax Notoginsenoside extract (PNE) is extremely popular for prevention and treatment of cardio-cerebrovascular ischemic diseases although their plasma and cerebral exposure levels were extremely low. To date, the mechanisms underlying the neuroprotective effects of PNE remain largely unknown. In the present study, the neuroprotective effects of PNE are systematically studied via investigating the regulation of PNE on gastrointestinal microbial community and gamma aminobutyric acid (GABA) receptors...
October 23, 2017: Drug Metabolism and Disposition: the Biological Fate of Chemicals
https://www.readbyqxmd.com/read/28958264/substernal-colon-volvulus-with-ischemia-43-years-after-reconstruction-for-esophageal-atresia
#17
Christopher L Henry, J Matthew Reinerssman, Subrato J Deb
No abstract text is available yet for this article.
September 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/28945477/epithelial-barrier-regulation-by-hypoxia-inducible-factor
#18
Louise E Glover, Sean P Colgan
Mucosal tissues represent surfaces that are exposed to the outside world and provide a conduit for internal and external communication. Tissues such as the intestine and the lung are lined by layer(s) of epithelial cells that, when organized in three dimensions, provide a critical barrier to the flux of luminal contents. This selective barrier is provided through the regulated expression of junctional proteins and mucins. Tissue oxygen metabolism is central to the maintenance of homeostasis in the mucosa. In some organs (e...
September 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28938688/drag-reducing-polymers-decrease-hepatic-injury-and-metastases-after-liver-ischemia-reperfusion
#19
Samer Tohme, Marina V Kameneva, Hamza O Yazdani, Vikas Sud, Julie Goswami, Patricia Loughran, Hai Huang, Richard L Simmons, Allan Tsung
INTRODUCTION: Surgery, a crucial therapeutic modality in the treatment of solid tumors, can induce sterile inflammatory processes which can result in metastatic progression. Liver ischemia and reperfusion (I/R) injury, an inevitable consequence of hepatic resection of metastases, has been shown to foster hepatic capture of circulating cancer cells and accelerate metastatic growth. Efforts to reduce these negative consequences have not been thoroughly investigated. Drag reducing polymers (DRPs) are blood-soluble macromolecules that can, in nanomolar concentrations, increase tissue perfusion, decrease vascular resistance and decrease near-wall microvascular concentration of neutrophils and platelets thereby possibly reducing the inflammatory microenvironment...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28934715/stercoral-perforation-of-the-rectosigmoid-colon-due-to-chronic-constipation-a-case-report
#20
Mustafa Fevzi Celayir, Hakan Mustafa Köksal, Mehmet Uludag
INTRODUCTION: Chronic constipation is very common in elderly patients. As a result of this situation fecaloma is also frequently seen at these ages. However, the stercoral perforation caused by fecaloma is a rare situation to occur. The rectosigmoid colon is the most affected colonic segment. It is seen in older patients with concomitant diseases and a low quality of life. PRESENTATION OF CASE: Here in this case, we have to report an 83 - year-old male patient who came to the emergency room with complaints of abdominal pain and constipation for two days...
2017: International Journal of Surgery Case Reports
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