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- 저자 : Manu Tandan (검색결과 3 건)
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Management of Pancreatic Calculi: An Update
( Manu Tandan ),( Rupjyoti Talukdar ),( Duvvur Nageshwar Reddy ) 대한소화기학회 2016 Gut and Liver Vol.10 No.6
Pancreatolithiasis, or pancreatic calculi (PC), is a sequel of chronic pancreatitis (CP) and may occur in the main ducts, side branches or parenchyma. Calculi are the end result, irrespective of the etiology of CP. PC contains an inner nidus surrounded by successive layers of calcium carbonate. These calculi obstruct the pancreatic ducts and produce ductal hypertension, which leads to pain, the cardinal feature of CP. Both endoscopic therapy and surgery aim to clear these calculi and decrease ductal hypertension. In small PC, endoscopic retrograde cholangiopancreatography (ERCP) followed by sphincterotomy and extraction is the treatment of choice. Large calculi require fragmentation by extracorporeal shock wave lithotripsy (ESWL) prior to their extraction or spontaneous expulsion. In properly selected cases, ESWL followed by ERCP is the standard of care for the management of large PC. Long-term outcomes following ESWL have demonstrated good pain relief in approximately 60% of patients. However, ESWL has limitations. Per oral pancreatoscopy and intraductal lithotripsy represent techniques in evolution, and in current practice their use is limited to centers with considerable expertise. Surgery should be offered to all patients with extensive PC, associated multiple ductal strictures or following failed endotherapy. (Gut Liver 2016;10:873-880)
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Guduru Venkat Rao,Partha Pal,Anuradha Sekaran,Pradeep Rebala,Manu Tandan,D. Nageshwar Reddy 대한장연구학회 2023 Intestinal Research Vol.21 No.2
After oncologic resection, histological grading and staging of the tumor give important prognostic information about the future risk of recurrence and hence influence the subsequent management plan. Several studies and their meta-analysis have shown that various histological features (e.g., microscopic positive resection margins, plexitis, granuloma, mesenteric inflammatory activity) can predict postoperative clinical/endoscopic/surgical recurrence after resection in Crohn’s disease (CD). Inclusion of mesentery in surgical resection specimens has been shown to reduce surgical recurrence after ileocolonic resection in CD. However, there is no uniform histopathological staging system for risk stratification in postoperative CD to systematically predict postoperative recurrence. This is because the prediction to date is based on clinical characteristics (smoking status, disease phenotype, surgical history). Histopathological predictors are still not adopted in routine clinical practice due to the lack of a uniform staging system, heterogeneity of published studies and lack of standardized definition of histological features. In this article, we attempted to incorporate all such histological features in a single histological staging system CNM (Crohn’s primary site [resection margin positivity, plexitis, granuloma, depth of infiltration], nodes [presence of granuloma], mesentery [involved or not]) in surgical resection specimen in CD. The proposed CNM classification would help to enable systematic reporting, design future clinical trials, stratify postoperative recurrence risk and choose appropriate postoperative prophylaxis.
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( Nitesh Pratap ),( Rakesh Kalapala ),( Santosh Darisetty ),( Nitin Joshi ),( Mohan Ramchandani ),( Rupa Banerjee ),( Sandeep Lakhtakia ),( Rajesh Gupta ),( Manu Tandan ),( Nageshwar Reddy ) 대한소화기기능성질환·운동학회(구 대한소화관운동학회) 2011 Journal of Neurogastroenterology and Motility (JNM Vol.17 No.1
Background/Aims High-resolution manometry (HRM) with pressure topography is used to subtype achalasia cardia, which has therapeutic implications. The aim of this study was to compare the clinical characteristics, manometric variables and treatment outcomes among the achalasia subtypes based on the HRM findings. Methods The patients who underwent HRM at the Asian Institute of Gastroenterology, Hyderabad between January 2008 and January 2009 were enrolled. The patients with achalasia were categorized into 3 subtypes: type I - achalasia with minimum esophageal pressurization, type Ⅱ - achalasia with esophageal compression and type Ⅲ - achalasia with spasm. The clinical and manometric variables and treatment outcomes were compared. Results Eighty-nine out of the 900 patients who underwent HRM were diagnosed as achalasia cardia. Fifty-one patients with a minimum follow-up period of 6 months were included. Types I and Ⅱ achalasia were diagnosed in 24 patients each and 3 patients were diagnosed as type Ⅲ achalasia. Dysphagia and regurgitation were the main presenting symptoms in patients with types I and Ⅱ achalasia. Patients with type Ⅲ achalasia had high basal lower esophageal sphincter pressure and maximal esophageal pressurization when compared to types I and II. Most patients underwent pneumatic dilatation (type I, 22/24; type Ⅱ, 20/24; type Ⅲ, 3/3). Patients with type Ⅱ had the best response to pneumatic dilatation (18/20, 90.0%) compared to types I (14/22, 63.3%) and Ⅲ (1/3, 33.3%). Conclusions The type Ⅱ achalasia cardia showed the best response to pneumatic dilatation. (J Neurogastroenterol Motil 2011;17:48-53)
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