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| 1 | Per oral cholangiopancreatoscopy in pancreatico biliary diseases- Expert consensus statements显示文摘AIM: To provide consensus statements on the use of per-oral cholangiopancreatoscopy(POCPS).METHODS: A workgroup of experts in endoscopic retrograde cholangiopancreatography(ERCP), endosonography, and POCPS generated consensus statements summarizing the utility of POCPS in pancreaticobiliary disease. Recommendation grades used validated evidence ratings of publications from an extensive literature review.RESULTS: Six consensus statements were generated:(1) POCPS is now an important additional tool during ERCP;(2) in patients with indeterminate biliary strictures, POCS and POCS-guided targeted biopsy are useful for establishing a definitive diagnosis;(3) POCS and POCS-guided lithotripsy are recommended for treatment of difficult common bile duct stones when standard techniques fail;(4) in patients with main duct intraductal papillary mucinous neoplasms(IPMN) POPS may be used to assess extent of tumor to assist surgicalresection;(5) in difficult pancreatic ductal stones,POPS-guided lithotripsy may be useful in fragmentation and extraction of stones; and(6) additional indications for POCPS include selective guidewire placement,unexplained hemobilia, assessing intraductal biliary ablation therapy, and extracting migrated stents. CONCLUSION: POCPS is important in association with ERCP, particularly for diagnosis of indeterminate biliary strictures and for intra-ductal lithotripsy when other techniques failed, and may be useful for preoperative assessment of extent of main duct IPMN, for extraction of difficult pancreatic stones, and for unusua indications involving selective guidewire placement,assessing unexplained hemobilia or intraductal biliary ablation therapy, and extracting migrated stents. | Mohan Ramchandani Duvvur Nageshwar Reddy Sundeep Lakhtakia Manu Tandan Amit Maydeo Thoguluva Seshadri Chandrashekhar Ajay Kumar Randhir Sud Rungsun Rerknimitr Dadang Makmun Christopher Khor | 2015 | World Journal of Gastroenterology2015，21，15： | 8 |
| 2 | Patterns of cancer recurrence in localized resected hepatocellular carcinoma显示文摘BACKGROUND:Tumor resection in non-metastatic hepatocellular carcinoma(HCC)patients with adequate liver reserve offers a potential cure,but has a high 5-year recurrence rate.We analyzed the patterns of cancer relapse after partial hepatectomy to guide post-operative management.METHODS:A total of 144 HCC patients(1996-2011)after partial hepatectomy were reviewed.Statistical correlations were determined using univariate and partition analyses.RESULTS:A median follow-up of 20 months showed recurrence in 71(49%)patients,and the median time to recurrence was 11.9 months.Vascular invasion(P<0.01)and number of lesions(P<0.01)predicted for recurrence.Histologic grade was not correlated with recurrence.Twenty-two(31%)patients developed both surgical margin(SM)and concurrent intrahepatic recurrences,and 28(40%)had non-SM intrahepatic recurrences with no other signs of recurrence.On partition analysis,the risk of marginal recurrence in patients with SM<1 mm and SM≥1 mm was 35%and 13.5%respectively.Approximately 57%of patients with intrahepatic recurrence had recurrence≤2.5 cm from SM.CONCLUSIONS:Intrahepatic recurrence after partial hepatectomy is common and is significantly associated with vascular invasion and tumor stage.About 57%of patients with intrahepatic relapse had a recurrence close(≤2.5 cm)to the SM.Additionally,patients with SM<1 mm have a higher recurrence rate and may benefit from adjuvant local therapy. | Aryavarta MS Kumar Elisha T Fredman Christopher Coppa Galal El-Gazzaz Federico N Aucejo May Abdel-Wahab | 2015 | Hepatobiliary & Pancreatic Diseases International2015，14，3： | 7 |
| 3 | Superior safety of direct oral anticoagulants compared to Warfarin in patients with atrial fibrillation and underlying cancer: a national veterans affairs database study显示文摘Background Studies evaluating safety of warfarin and direct oral anticoagulants(DOACs) for prevention of stroke in patients with atrial fibrillation(AF) are lacking. Methods & Results All patients(n = 196,521) receiving care at veteran’s affairs with active cancer and AF from 2010–2015 were included. One-year mortality was significantly higher in unadjusted analysis with warfarin(44.9%) compared to dabigatran(25%, P < 0.001), rivaroxaban(24.4%, P < 0.001) and apixaban(30%, P < 0.001) and after adjusting for age, sex and type of cancer mortality(OR = 2.66, 95% CI: 2.52–2.82, P < 0.001). Risk of ischemic stroke(13.5% vs. 11.1%, 12.0%, 14.0%) was similar, however risk of hemorrhagic stroke was significantly higher among patients receiving warfarin(1.2%) compared to patients receiving dabigatran(0.5%), rivaroxaban(0.7%) and apixaban(0.8%) respectively, P = 0.04. Conclusions We demonstrated the superior safety profile of DOACs compared to warfarin among patients with underlying cancer and AF. Warfarin was associated with higher mortality, similar ischemic stroke risk but higher risk of hemorrhagic stroke. | Abhishek C Sawant Arnav Kumar Wilmon Mccray Sheldon Tetewsky Linda Parone Srilekha Sridhara Meghana Prakash Hiriyur Prakash Gary Tse Tong LIU Nidhi Kanwar Aishwarya Bhardwaj Sahoor Khan Christopher Manion Ankush Lahoti Ashish Pershad Peter Elkin John Corbelli | 2019 | Journal of Geriatric Cardiology2019，16，9： | 2 |
| 4 | Central role of myeloid MCPIP1 in protecting against LPSinduced inflammation and lung injury显示文摘Although systemic inflammatory responses attributable to infection may lead to significant lung injury,the precise molecular mechanisms leading to lung damage are poorly understood and therapeutic options remain limited.Here,we show that myeloid monocyte chemotactic protein-inducible protein 1(MCPIP1)plays a central role in protecting against LPS-induced inflammation and lung injury.Myeloid-specific MCPIP1 knockout mice developed spontaneous inflammatory syndromes,but at a late age compared to global MCPIP1 knockout mice.Moreover,mice with a myeloid-specific deletion of MCPIP1 were extremely sensitive to LPS-induced lung injury due to overproduction of proinflammatory cytokines and chemokines.We identified C/EBPβand C/EBPδ,two critical transcriptional factors that drive cytokine production and lung injury,as targets of MCPIP1 RNase.LPS administration caused MCPIP1 protein degradation in the lungs.Pharmacological inhibition of MALT1,a paracaspase that cleaves MCPIP1,by MI-2 selectively increased the MCPIP1 protein levels in macrophages and in the lungs.Meanwhile,administration of MI-2 protected mice from LPS-induced inflammation,lung injury and death.Collectively,these results indicate that myeloid MCPIP1 is central in controlling LPS-induced inflammation and lung injury.Pharmacological inhibition of MALT1 protease activity may be a good strategy to treat inflammatory diseases by enhancing MCPIP1 expression in myeloid cells. | Yong Li Xuan Huang Shengping Huang Hui He Tianhua Lei Fatma Saaoud Xiao-Qiang Yu Ari Melnick Anil Kumar Christopher J Papasian Daping Fan Mingui Fu | 2017 | Signal Transduction and Targeted Therapy2017，2，1： | 2 |
| 5 | Identifying who best tolerates moderate sedation:Results from a national database of gastrointestinal endoscopic outcomes显示文摘BACKGROUND With increasing volume and cost of gastrointestinal endoscopic procedures,the proper selection of patients for moderate sedation becomes increasingly relevant.The current literature lacks consistent findings that allow for appropriate selection of patients for moderate sedation.AIM To analyze a nationwide registry of patients to identify patient and procedural factors associated with lower sedation requirements for endoscopy.METHODS The Clinical Outcomes Research Initiative National Endoscopic Database was queried to assess adult patients undergoing moderate sedation for esophagogastroduodenoscopy(EGD)and colonoscopy from 2008 to 2014.Patients were stratified into two groups[low dose(LD)and high dose sedation]based on sedation requirements.Anthropometric,procedural,and anesthesia data were compared,and multivariable analysis was performed to identify factors associated with LD sedation.RESULTS Of the 371102 patients included in the study,63137 where stratified into the LD sedation group and 307965 were in the high dose group.Moderate sedation was managed primarily by endoscopists(50%)and anesthesia providers(47%).Patients undergoing EGDs and procedures performed in the inpatient setting,in ambulatory surgery centers,intensive care units or hospital wards,required less sedation than colonoscopies,outpatient procedures and procedures done in endoscopy suites,respectively(P<0.0001 for all).On multivariable analysis,factors predictive of tolerance with lower sedation requirements for EGDs and colonoscopies were female gender,age≥50,non-White race,Hispanic descent,body mass index≤25 kg/m^(2),and higher American Society of Anesthesia Class(P<0.0001 for all).CONCLUSION Clinicians should consider these patient profiles in determining which patients will better tolerate moderate sedation vs those better suited for alternative sedation methods. | Monica Passi Farial Rahman Sandeep Gurram Sheila Kumar Christopher Koh | 2021 | World Journal of Gastrointestinal Endoscopy2021，13，4： | 2 |
| 6 | Ultrasound Molecular Imaging of Tumor Angiogenesis With an Integrin Targeted Microbubble Contrast Agent显示文摘 | Christopher R. Anderson Xiaowen Hu Hua Zhang Jose Tlaxca Anne-Emilie Declèves Robert Houghtaling Kumar Sharma Michael Lawrence Katherine W. Ferrara Joshua J. Rychak | 2011 | Investigative Radiology2011，，4： | 2 |
| 7 | ASGE Bariatric Endoscopy Task Force systematic review and meta-analysis assessing the ASGE PIVI thresholds for adopting endoscopic bariatric therapies显示文摘 | Barham K. Abu Dayyeh Nitin Kumar Steven A. Edmundowicz Sreenivasa Jonnalagadda Michael Larsen Shelby Sullivan Christopher C. Thompson Subhas Banerjee | 2015 | Gastrointestinal Endoscopy2015，，3： | 2 |
| 8 | Endoscopic bariatric therapies显示文摘 | Barham K. Abu Dayyeh Steven A. Edmundowicz Sreenivasa Jonnalagadda Nitin Kumar Michael Larsen Shelby Sullivan Christopher C. Thompson Subhas Banerjee | 2015 | Gastrointestinal Endoscopy2015，，5： | 2 |
| 9 | Laparoscopic esophagomyotomy for achalasia in children:Areview显示文摘Esophageal achalasia in children is rare but ultimately requires endoscopic or surgical treatment. Historically, Heller esophagomyotomy has been recommended as the treatment of choice. The refinement of minimally invasive techniques has shifted the trend of treatment toward laparoscopic Heller myotomy(LHM) in adults and children with achalasia. A review of the available literature on LHM performed in patients < 18 years of age was conducted. The pediatric LHM experience is limited to one multiinstitutional and several single-institutional retrospective studies. Available data suggest that LHM is safe and effective. There is a paucity of evidence on the need for and superiority of concurrent antireflux procedures. In addition, a more complete portrayal of complications and long-term(> 5 years) outcomes is needed. Due to the infrequency of achalasia in children, these characteristics are unlikely to be defined without collaboration between multiple pediatric surgery centers. The introduction of peroral endoscopic myotomy and single-incision techniques, continue the trend of innovative approaches that may eventually become the standard of care. | T Kumar Pandian Nimesh D Naik Aodhnait S Fahy Arman Arghami David R Farley Michael B Ishitani Christopher R Moir | 2016 | World Journal of Gastrointestinal Endoscopy2016，8，2： | 2 |
| 10 | Acute Coronary Syndromes: Diagnosis and Management, Part I显示文摘 | Amit Kumar Christopher P. Cannon | 2009 | Mayo Clinic Proceedings2009，，10： | 1 |
| 11 | Secondary electron yield measurements from materials with application to collectors of high-power microwave devices显示文摘 | Zameroski N D Prashanth Kumar Christopher Watts | 2006 | IEEE Trans Plasma Sci2006，34，3： | 1 |
| 12 | Design, synthesis and biological evaluation of α-substituted isonipecotic acid benzothiazole analogues as potent bacterial type II topoisomerase inhibitors显示文摘 | Lorraine C. Axford Piyush K. Agarwal Kelly H. Anderson Laura N. Andrau John Atherall Stephanie Barker James M. Bennett Michael Blair Ian Collins Lloyd G. Czaplewski David T. Davies Carlie T. Gannon Dushyant Kumar Paul Lancett Alastair Logan Christopher J. | 2013 | Bioorganic & Medicinal Chemistry Letters2013，，24： | 1 |
| 13 | Volatile organic compound emissions from green waste composting: Characterization and ozone formation显示文摘 | Anuj Kumar Christopher P. Alaimo Robert Horowitz Frank M. Mitloehner Michael J. Kleeman Peter G. Green | 2011 | Atmospheric Environment2011，，10： | 1 |
| 14 | A comprehensive map of the human urinary proteome显示文摘 | Marimuthu A O'Meally R N Chaerkady R Subbannayya Y Nanjappa V Kumar P Kelkar D S Pinto S M Sharma R Renuse S Goel R Christopher R Delanghe B Cole R N Harsha H C Pandey A | | 0，，06： | 1 |
| 15 | Detecting subarachnoid hemorrhage: Comparison of combined FLAIR/SWI versus CT显示文摘 | Rajeev Kumar Verma Raimund Kottke Lukas Andereggen Christian Weisstanner Christoph Zubler Jan Gralla Claus Kiefer Johannes Slotboom Roland Wiest Gerhard Schroth Christoph Ozdoba Marwan El-Koussy | 2013 | European Journal of Radiology2013，，： | 1 |
| 16 | Satellite remote sensing of particulate matter and air quality assessment over global cities显示文摘 | Pawan Gupta Sundar A. Christopher Jun Wang Robert Gehrig Yc Lee Naresh Kumar | 2006 | Atmospheric Environment2006，，30： | 1 |
| 17 | Shear rate thickening flow behavior of semisolid slurries显示文摘 | Pratyush Kumar Christophe L. Martin Stuart Brown | 1993 | Metallurgical Transactions A1993，，5： | 1 |
| 18 | Bundling retail products: Models and analysis显示文摘 | Kevin F. McCardle Kumar Rajaram Christopher S. Tang | 2006 | European Journal of Operational Research2006，，2： | 1 |
| 19 | Vulnerabilities in mIDH2 AML confer sensitivity to APL-like targeted combination therapy显示文摘Although targeted therapies have proven effective and even curative in human leukaemia, resistance often ensues. IDH enzymes are mutated in ~20% of human AML, with targeted therapies under clinical evaluation. We here characterize leukaemia evolution from mutant IDH2 (mIDH2)-dependence to independence identifying key targetable vulnerabilities of mIDH2 leukaemia that are retained during evolution and progression from early to late stages. Mechanistically, we find that mIDH2 leukaemia are metastable and vulnerable at two distinct levels. On the one hand, they are characterized by oxidative and genotoxic stress, in spite of increased 1-carbon metabolism and glutathione levels. On the other hand, mIDH2 leukaemia display inhibition of LSD1 and a resulting transcriptional signature of all-trans retinoic acid (ATRA) sensitization, in spite of a state of suppressed ATRA signalling due to increased levels of PIN1. We further identify GSH/ROS and PIN1/LSD1 as critical nodes for leukaemia maintenance and the combination of ATRA and arsenic trioxide (ATO) as a key therapeutic modality to target these vulnerabilities. Strikingly, we demonstrate that the combination of ATRA and ATO proves to be a powerfully synergistic and effective therapy in a number of mouse and human mIDH1/2 leukemic models. Thus, our findings pave the way towards the treatment of a sizable fraction of human AMLs through targeted APL-like combinatorial therapies. | Vera Mugoni Riccardo Panella Giulia Cheloni Ming Chen Olga Pozdnyakova Dina Stroopinsky Jlenia Guarnerio Emanuele Monteleone Jonathan David Lee Lourdes Mendez Archita Venugopal Menon Jon Christopher Aster Andrew A. Lane Richard Maury Stone Ilene Galinsky José Cervera Zamora Francesco Lo-Coco Manoj Kumar Bhasin David Avigan Letizia Longo John Gerard Clohessy Pier Paolo Pandolfi | 2019 | Cell Research2019，29，6： | 1 |
| 20 | Mo1155 Endoscopic Sleeve Gastroplasty for Primary Therapy of Obesity: Initial Human Cases显示文摘 | Nitin Kumar Helene Nicolle Pe?a Sahdala Sohail Shaikh Erik B. Wilson Galvao Neto Manoel Natan Zundel Christopher C. Thompson | 2014 | Gastroenterology2014，，5： | 1 |
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