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| 1 | Modeling, ana- lysis, and control of a four wheel steer-by-wire system for semi-autonomous ground vehicles 显示文摘 | Ancha S Baviskar A Wagner J | 2004 | American Society of Mechanical Engineers Dynamic Systems and Control Division2004，73，1： | 1 |
| 2 | Evolution ofbrunner gland hamartoma associated with helicobacter pylori infection显示文摘 | Kurella R Ancha H Hussain S | 2008 | South Med Assoc2008，101，6： | 1 |
| 3 | Absence of high amplitude propagating contractions in subjects with chronic spinal cord injury显示文摘AIM: To investigate the presence or absence of high amplitude propagating contractions (HAPC), as well as the other measures of colonic motility, in persons with spinal cord injury (SCI). METHODS: Prolonged colonic ambulatory manometric studies were performed on 14 male volunteers: 8 with SCI (mean age, 59 ± 13 years; mean duration of injury, 13 ± 4 years) and 6 healthy able-bodied controls (mean age, 57 ± 10 years). A solid-state manometry catheter was endoscopically clipped to the splenic flexure. Recording was performed for > 24 h after manometric catheter placement. RESULTS: HAPC were absent in individuals with SCI during pre-sleep, sleep, and post-sleep phases. HAPC were significantly increased after awakening in non-SCI controls (0.8 ± 0.2 HAPC/h vs 10.5 ± 2.0 HAPC/h, P < 0.005). The motility index was lower in those with SCI than in controls preand post-sleep (SCI vs non-SCI: Pre-sleep, 2.4 ± 0.4 vs 8.8 ± 1.9, P < 0.01; Post-sleep, 4.3 ± 0.8 vs 16.5 ± 4.5, P < 0.05). However, a sleepinduced depression of colonic motility was observed in both the SCI and non-SCI groups (Pre-sleep vs Sleep, non-SCI: 8.8 ± 1.9 vs 2.1 ± 0.9, P < 0.002; SCI: 2.4 ± 0.4 vs 0.2 ± 0.03, P < 0.001), with the motility index of those with SCI during sleep not significantly different than that of the controls. CONCLUSION: HAPC were not observed in individuals with SCI preor post-sleep. A sleep-induced depression in general colonic motility was evident in SCI and control subjects. | Hanumantha R Ancha Noel R Fajardo William A Bauman Alan S Rosman Marinella Galea Graham Creasey Mark A Korsten | 2010 | World Journal of Gastroenterology2010，16，43： | 1 |
| 4 | Sporadic colonic hamar- tomas in adults: a retrospective study 显示文摘 | Mesiya S Ancha HB Ancha H | 2005 | Gastrointest Endose2005，62，6： | 1 |
| 5 | 成人散发性结肠错构瘤:一项回顾性研究显示文摘Background: Colonic hamartomas are uncommon in adults. The aims of this study were to determine (1) the prevalence of colonic hamartomas in an adult populatio n undergoing colonoscopy and (2) the clinical, endoscopic, and histologic featur es of colonic hamartomas in adult patients. Methods: A pathology database identi fied 19 adult patients of 12,707 patients with colonic hamartomas in the 11-yea r study period from January 1992 to October 2002. An endoscopic computer databas e provided information about the number of colonoscopies performed and the prese nce or the absence of colonic polyp(s) in study patients. Charts of patients wit h colonic hamartomas were reviewed, and clinical and demographic data were colla ted. Results: Nineteen patients were found to have colonic hamartomas. The mean age of these patients was 55 years, with an age distribution ranging from 25 to 81 years. The prevalence of colonic hamartomas in this study population was 0.15 %. The prevalence of hamartomas in patients with colon polyps at index colonosc opy was 0.073%. Colonic hamartomas were more common in men than in women. The i ndication for colonoscopy for the majority (68%) of patients was hematochezia o r the presence of occult blood in the stool. Three fourths of the polyps were gr eater than 1 cm in diameter, and 89%were pedunculated. Two thirds of the hamart omatous polyps were localized to the rectosigmoid region. Endoscopic characteris tics of hamartomas were indistinguishable from adenomas. Conclusions: Colonic ha martomas in adults are rare. They tend to be single, pedunculated, and localized predominantly in the rectosigmoid region. Endoscopic resection of colonic hamar tomas was successful in all patients. | Mesiya S Ancha H.B Ancha H. R.F. Harty 尹勇 | 2006 | 世界核心医学期刊文摘(胃肠病学分册)2006，0，4： | 0 |
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