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| 1 | Endoscopic full thickness resection for gastric tumors originating from muscularis propria显示文摘AIM: To do systematic review of current literature for endoscopic full thickness resection(EFTR) technique for gastric tumors originating from muscularis propria.METHODS: An extensive English literature search was done till December 2015; using Pub Med and Google scholar to identify the peer reviewed original and review articles using keywords-EFTR, gastric tumor, muscularis propria. Human only studies were included. The references of pertinent studies were manually searched to identify additional relevant studies. The indications, procedural details, success rates, clinical outcomes, complications and limitations were considered. For the purpose of review, data from individual studies was combined to calculate mean. No other statistical test was applied.RESULTS: A total of 9 original articles were identified. Four articles were from same institute and the time frames of these studies were overlapping. To avoid duplication of data, only the study with patients over the longest time interval was included and other three were excluded. In total six studies were included in the final review. In our systematic review, the mean success rate for EFTR of gastric tumors originating from muscularis propria was 96.8%. The mean procedure time varied from a minimum of 37 min to a maximum of 105 min. There was no reported mortality from the technique itself. The most common histological diagnosis was gastrointestinal stromal tumors and leiomyoma. Gastric wall defect closure by either metallic clips or over the scope clip(OTSC) had similar outcomes although experience with OTSC was limited to smaller lesions(<3cm).CONCLUSION: EFTR is a minimally invasive technique to resect gastric submucosal tumors originating from muscularis propria with a high success rate and low complication rate. | Deepanshu Jain Ejaz Mahmood Aakash Desai Shashideep Singhal | 2016 | World Journal of Gastrointestinal Endoscopy2016，8，14： | 4 |
| 2 | Importance of reporting segmental bowel preparation scores during colonoscopy in clinical practice显示文摘AIM: To evaluate the impact of reporting bowel preparation using Boston Bowel Preparation Scale(BBPS) in clinical practice.METHODS: The study was a prospective observational cohort study which enrolled subjects reporting for screening colonoscopy. All subjects received a gallon of polyethylene glycol as bowel preparation regimen. After colonoscopy the endoscopists determined quality of bowel preparation using BBPS. Segmental scores were combined to calculate composite BBPS. Site and size of the polyps detected was recorded. Pathology reports were reviewed to determine advanced adenoma detection rates(AADR). Segmental AADR's were calculated and categorized based on the segmental BBPS to determine the differential impact of bowel prep on AADR. RESULTS: Three hundred and sixty subjects were enrolled in the study with a mean age of 59.2 years, 36.3% males and 63.8% females. Four subjects with incomplete colonoscopy due BBPS of 0 in any segment were excluded. Based on composite BBPS subjects were divided into 3 groups; Group-0(poor bowel prep, BBPS 0-3) n = 26(7.3%), Group-1(Suboptimal bowel prep, BBPS 4-6) n = 121(34%) and Group-2(Adequate bowel prep, BBPS 7-9) n = 209(58.7%). AADR showed a linear trend through Group-1 to 3; with an AADR of 3.8%, 14.8% and 16.7% respectively. Also seen was a linear increasing trend in segmental AADR with improvement in segmental BBPS. There was statistical significant difference between AADR among Group 0 and 2(3.8% vs 16.7%, P < 0.05), Group 1 and 2(14.8% vs 16.7%, P < 0.05) and Group 0 and 1(3.8% vs 14.8%, P < 0.05). χ2 method was used to compute P value for determining statistical significance.CONCLUSION: Segmental AADRs correlate with segmental BBPS. It is thus valuable to report segmental BBPS in colonoscopy reports in clinical practice. | Deepanshu Jain Mojdeh Momeni Mahesh Krishnaiah Sury Anand Shashideep Singhal | 2015 | World Journal of Gastroenterology2015，21，13： | 4 |
| 3 | Association of overexpression of TIF1γ with colorectal carcinogenesis and advanced colorectal adenocarcinoma显示文摘AIM:To determine the expression and clinical significance of transcriptional intermediary factor 1 gamma (TIF1γ),Smad4 and transforming growth factor-beta (TGFβR) across a spectrum representing colorectal cancer (CRC) development.METHODS:Tissue microarrays were prepared from archival paraffin embedded tissue,including 51 colorectal carcinomas,25 tubular adenomas (TA) and 26 HPs,each with matched normal colonic epithelium.Immunohistochemistry was performed using antibodies against TIF1γ,Smad4 and TGFβ RⅡ.The levels of expression were scored semi-quantitatively (score 0-3 or loss and retention for Smad4).RESULTS:Overexpression of TIF1γ was detected in 5/26 (19%) HP;however,it was seen in a significantly higher proportion of neoplasms,15/25 (60%) TAs and 24/51 (47%) CRCs (P<0.05).Normal colonic mucosa,HP,and TAs showed strong Smad4 expression,while its expression was absent in 22/51 (43%) CRCs.Over-expression of TGFβ RⅡ was more commonly seen in neoplasms,13/25 (52%) TAs and 29/51 (57%) CRCs compared to 9/26 (35%) HP (P<0.05).Furthermore,there was a correlation between TIF1γ overexpression and Smad4 loss in CRC (Kendall tau rank correlation value=0.35,P<0.05).The levels of TIF1γ overexpression were significantly higher in stage Ⅲ than in stage Ⅰ and Ⅱ CRC (P<0.05).CONCLUSION:The findings suggest that over-expression of TIF1γ occurs in early stages of colorectal carcinogenesis,is inversely related with Smad4 loss,and may be a prognostic indicator for poor outcome. | Shilpa Jain Shashideep Singhal Franto Francis Cristina Hajdu Jin-Hua Wang Arief Suriawinata Yin-Quan wang Miao Zhang Elizabeth H Weinshel Fritz Francois Zhi-Heng Pei Peng Lee Ru-Liang Xu | 2011 | World Journal of Gastroenterology2011，17，35： | 3 |
| 4 | Novel anti-diabetic agents in non-alcoholic fatty liver disease: a mini-review显示文摘BACKGROUND:Non-alcoholic fatty liver disease(NAFLD)encompasses a spectrum that ranges from simple steatosis to non-alcoholic steatohepatitis(NASH)and to cirrhosis.The recommended treatment for this disease includes measures that target obesity and insulin resistance.The present review summarizes the role of newer anti-diabetic agents in treatment of NAFLD.DATA SOURCES:PubMed,MEDLINE and Ovid databases were searched to identify human studies between January 1990and January 2013 using specified key words.Original studies that enrolled patients with a diagnosis of NAFLD or NASH and involved use of newer classes of anti-diabetic agents for a duration of at least 3 months were included.RESULTS:Out of the screened articles,four met eligibility criteria and were included in our review.The classes of newer anti-diabetic medications described were dipeptidyl peptidase IV inhibitors and glucagon-like peptide-1 analogues.CONCLUSIONS:Liraglutide and Exenatide showed improvement in transaminases as well as histology in patients with NASH.Sitagliptin showed improvement in transaminases but limited studies are there to access its effect on histology.Further studies are needed to support use of newer anti-diabetic medications in patients with NAFLD. | Manhal Olaywi Taruna Bhatia Sury Anand Shashideep Singhal | 2013 | Hepatobiliary & Pancreatic Diseases International2013，12，6： | 3 |
| 5 | Peroral endoscopic reduction of dilated gastrojejunal anastomosis after bariatric surgery: Techniques and efficacy显示文摘AIM: To investigate the techniques and efficacy of peroral endoscopic reduction of dilated gastrojejunal anastomosis after bariatric surgery.METHODS: An extensive English language literature search was conducted using Pub Med, MEDLINE, Medscape and Google to identify peer-reviewed original and review articles using the keywords 'bariatric endoscopic suturing', 'overstitch bariatric surgery', 'endoscopic anastomotic reduction', 'bariatric surgery', 'gastric bypass', 'obesity', 'weight loss'. We identified articles describing technical feasibility, safety, efficacy, and adverse outcomes of overstitch endoscopic suturing system for transoral outlet reduction in patients with weight regain following Roux-en-Y gastric bypass(RYGB). All studies that contained material applicable to the topic were considered. Retrieved peer-reviewed original and review articles were reviewed by the authors and the data extracted using a standardized collection tool. Data were analyzed using statistical analysis as percentages of the event. RESULTS: Four original published articles which met our search criteria were pooled. The total number cases were fifty-nine with a mean age of 46.75 years(34-63 years). Eight of the patients included in those studies were males(13.6%) and fifty-one were females(86.4%). The mean time elapsed since the primary bypass surgery was 5.75 years. The average pre-endoscopic procedure body mass index(BMI) was 38.68(27.5-48.5). Mean body weight regained post-RYGB surgery was 13.4 kg from their post-RYGB nadir. The average pouch length at the initial upper endoscopy was 5.75 cm(2-14 cm). The pre-intervention anastomotic diameter was averaged at 24.85 mm(8-40 mm). Average procedure time was 74 min(50-164 min). Mean post endoscopic intervention anastomotic diameter was 8 mm(3-15 mm). Weight reduction at 3 to 4 mo post revision noted to be anaverage of 10.1 kg. Average overall post revision BMI was recorded at 37.7. The combined technical and clinical success rate was 94.9%(56/59) among studied participants. CONCLUSION: Endoscopic suturing can be technically feasible, effective and safe for transoral outlet reduction in patients with weight regain following RYGB. | Kinesh Changela Emmanuel Ofori Sushil Duddempudi Sury Anand Shashideep Singhal | 2016 | World Journal of Gastrointestinal Endoscopy2016，8，4： | 2 |
| 6 | Over the Scope Clip: Technique and Expanding Clinical Applications显示文摘 | Shashideep Singhal Kinesh Changela Haris Papafragkakis Sury Anand Mahesh Krishnaiah Sushil Duddempudi | 2013 | Journal of Clinical Gastroenterology2013，，9： | 2 |
| 7 | Endoscopic ultrasound‐guided endoluminal drainage of the gallbladder显示文摘 | Jessica Widmer Shashideep Singhal Monica Gaidhane Michel Kahaleh | 2014 | Digestive Endoscopy2014，，4： | 1 |
| 8 | Endoscopic ultrasound‐guided endoluminal drainage of the gallbladder显示文摘 | Jessica Widmer Shashideep Singhal Monica Gaidhane Michel Kahaleh | 2014 | Digestive Endoscopy2014，，4： | 1 |
| 9 | Acute Fatty Liver of Pregnancy显示文摘 | Haris Papafragkakis Shashideep Singhal Sury Anand | 2013 | Southern Medical Journal2013，，10： | 1 |
| 10 | Hepatic Hydrothorax显示文摘 | Kiran Baikati Duong L. Le Ibrahim I. Jabbour Shashideep Singhal Sury Anand | 2014 | American Journal of Therapeutics2014，，1： | 1 |
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