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| 1 | Comparison of split-dosing vs non-split(morning) dosing regimen for assessment of quality of bowel preparation for colonoscopy显示文摘AIM: To compare(using the Ottawa Bowel Preparation Scale) the efficacy of split-dose vs morning administration of polyethylene glycol solution for colon cleansing in patients undergoing colonoscopy, and to assess the optimal preparation-to-colonoscopy interval.METHODS: Single-centre, prospective, randomized, investigator-blind stud in an academic tertiarycare centre. Two hundred patients requiring elective colonoscopy were assigned to receive one of the two preparation regimens(split vs morning) prior to colonoscopy. Main outcome measurements were bowel preparation quality and patient tolerability.RESULTS: Split-dose regimen resulted in better bowel preparation compared to morning regimen [Ottawascore mean 5.52(SD 1.23) vs 6.02(1.34); P = 0.017]. On subgroup analysis, for afternoon procedures, both the preparations were equally effective(P = 0.756). There was no difference in tolerability and compliance between the two regimens.CONCLUSION: Overall, previous evening- same morning split-dosing regimen results in better bowel cleansing for colonoscopy compared to morning preparation. For afternoon procedures, both schedules are equally effective; morning preparation may be more convenient to the patient. | Hardik Shah Devendra Desai Hrishikesh Samant Sandeep Davavala Anand Joshi Tarun Gupta Philip Abraham | 2014 | World Journal of Gastrointestinal Endoscopy2014，6，12： | 8 |
| 2 | Colorectal cancers in ulcerative colitis from a low-prevalence area for colon cancer显示文摘AIM: To determine the incidence and risk factors for colorectal cancer(CRC) in patients with ulcerative colitis from a low prevalence region for CRC.METHODS: Our prospective database yielded a cohort of 430 patients [age: 44 ± 14.6 years; 248 men(57.7%)] with ulcerative colitis(median disease duration 6, range: 1-39 years) for analysis. Of these, 131(30.5%) had left-sided colitis and 159(37%) extensive colitis. Patients with histologically confirmed CRC within the segment with colitis were compared with those without CRC, to determine the risk factors for the development of CRC.RESULTS: Twelve patients(2.8%) developed CRC. The overall incidence density was 3.56/1000 patient-years of disease- 3/1000 in the first 10 years, 3.3/1000 at 10 to 20 years, and 7/1000 at > 20 years. Three of our 12 patients developed CRC within 8 years of disease onset. On univariate analysis, extensive colitis, longer duration of disease, and poor control of disease were associated with development of CRC. On multivariate analysis, duration of disease and extent of colitis remained significant.CONCLUSION: CRC occurred in 2.8% of patients with ulcerative colitis in our population- an incidence density similar to that in Western countries in spite of a low overall prevalence of colon cancer in our population.The risk increased with extent and duration of disease. | Devendra Desai Sudeep Shah Abhijit Deshmukh Philip Abraham Anand Joshi Tarun Gupta Ramesh Deshpande Varun Khandagale Siji George | 2015 | World Journal of Gastroenterology2015，21，12： | 7 |
| 3 | Colorectal cancer surveillance in inflammatory bowel disease: A critical analysis显示文摘Colonoscopic surveillance is advocated in patients with inflammatory bowel disease(IBD) for detection of dys-plasia. There are many issues regarding surveillance in IBD: the risk of colorectal cancer seems to be de-creasing in the majority of recently published studies, necessitating revisions of surveillance strategy; surveil-lance guidelines are not based on concrete evidence; commencement and frequency of surveillance, cost-effectiveness and adherence to surveillance have been issues that are only partly answered. The traditional technique of random biopsy is neither evidence-based nor easy to practice. Therefore, highlighting abnormal areas with newer technology and biopsy from these areas are the way forward. Of the newer technology, digital mucosal enhancement, such as high-definition white light endoscopy and chromoendoscopy(with magnification) have been incorporated in guidelines. Dyeless chromoendoscopy(narrow band imaging) has not yet shown potential, whereas some forms of digital chromoendoscopy(i-Scan more than Fujinon intelligent color enhancement) have shown promise for colonoscopic surveillance in IBD. Other techniquessuch as autofluorescence imaging, endomicroscopy and endocytoscopy need further evidence. Surveillance with genetic markers(tissue, serum or stool) is at an early stage. This article discusses changing epidemiology of colorectal cancer development in IBD and critically evaluates issues regarding colonoscopic surveillance in IBD. | Devendra Desai Nutan Desai | 2014 | World Journal of Gastrointestinal Endoscopy2014，6，11： | 1 |
| 4 | An allele-specific PCR assay for the rapid and serotypespecific detection of Salmonella pullorum显示文摘 | DESAI A R DEVENDRA A CHAE J S | 2005 | Avian Diseases2005，49，4： | 1 |
| 5 | Survey of inflammatory bowel diseases in India显示文摘 | Govind K. Makharia Balakrishnan S. Ramakrishna Philip Abraham Gourdas Choudhuri Sri Prakash Misra Vineet Ahuja Shobna J. Bhatia Deepak K. Bhasin Sunil Dadhich Gopal K. Dhali Devendra C. Desai Uday C. Ghoshal B. D. Goswami Sanjeev K. Issar Ajay K. Jain Ven | 2012 | Indian Journal of Gastroenterology2012，，6： | 1 |
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