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Tarek Sawas
Mayo Clinic
RadiologySurgeryDiabetes mellitusGeneral surgeryMedicine
91Publications
6H-index
209Citations
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Publications 94
Newest
#1Juan Reyes Genere (Mayo Clinic)H-Index: 1
#2Harshith Priyan (Mayo Clinic)
Last. Kenneth K. Wang (Mayo Clinic)H-Index: 62
view all 9 authors...
Abstract Background and Aims Treatment of large esophageal neoplasia is gradually evolving from piecemeal to en bloc resections. Endoscopic submucosal dissection (ESD) is known to achieve more complete resections than piecemeal endoscopic mucosal resection (EMR) for large lesions, yet it remains underused in the West due to technical and safety concerns with traditional electrosurgical knives. We aimed to evaluate a novel endoscopic articulating knife (ESD-AR) to determine its safety and efficac...
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#1Tarek Sawas (Mayo Clinic)H-Index: 6
#2Andrew C. Storm (Mayo Clinic)H-Index: 3
Last. Barham K. Abu Dayyeh (Mayo Clinic)H-Index: 23
view all 12 authors...
Background Endoscopic retrograde cholangiopancreatography (ERCP) is technically challenging in Roux-en-Y gastric bypass (RYGB). Current approaches either have high failure rate, are resource intensive, or invasive.
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#1Yi Qin (Mayo Clinic)H-Index: 2
#2Chung W. Wu (Mayo Clinic)H-Index: 1
Last. John B. Kisiel (Mayo Clinic)H-Index: 12
view all 16 authors...
Purpose: The burden of esophageal cancer (EC) continues to rise, and non-invasive screening tools are needed. Methylated DNA markers (MDMs) assayed from plasma show promise in detection of other cancers. For EC detection, we aimed to discover and validate MDMs in tissue, and determine their feasibility when assayed from plasma. Experimental Design: Whole-methylome sequencing was performed on DNA extracted from 37 tissues (28 EC; 9 normal esophagus) and 8 buffy coat samples. Top MDMs were validat...
2 CitationsSource
#1Tarek Sawas (Mayo Clinic)H-Index: 6
#2Nabila Azad (Mayo Clinic)
Last. David A. Katzka (Mayo Clinic)H-Index: 41
view all 7 authors...
Abstract Background & Aims The incidence of esophageal adenocarcinoma (EAC) has increased over the last decades. It is unclear if this increase is the result of a new cancer phenotype or an increase in risk factors for EAC. We aimed to compare risk factors, the proportions of intestinal and non-intestinal phenotypes of EAC, and survival times patients during the 2009–2012 time period vs the 1996–1997 time periods Methods We performed a retrospective single center cohort study of 829 patients wit...
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#1Karan Kaura (Mayo Clinic)
#2Fateh Bazerbachi (Mayo Clinic)H-Index: 14
Last. Vinay Chandrasekhara (Mayo Clinic)H-Index: 27
view all 13 authors...
Abstract Background Select patients with acute cholecystitis (AC) are not candidates for index cholecystectomy. We compared the influence of ERCP-guided transpapillary gallbladder drainage (ERGD) versus percutaneous cholecystostomy (PC) on delayed cholecystectomy outcomes. Methods Consecutive patients undergoing ERGD or PC for AC from January 2007 to October 2018 were included. Primary outcome was the rate of conversion to open cholecystectomy and perioperative complications in groups. Results T...
2 CitationsSource
#1Karan Kaura (Mayo Clinic)
#2Tarek Sawas (Mayo Clinic)H-Index: 6
Last. Vinay Chandrasekhara (Mayo Clinic)H-Index: 27
view all 11 authors...
Background and Aims Single-operator cholangioscopy (SOC) has been suggested to be a cost-effective strategy for the detection of cholangiocarcinoma (CCA). The aim of this study is to compare the performance characteristics of SOC-guided biopsies and transpapillary biopsies with standard sampling techniques for the detection of CCA.
1 CitationsSource
#1Tarek Sawas (Mayo Clinic)H-Index: 6
Last. David A. Katzka (Mayo Clinic)H-Index: 41
view all 5 authors...
Background & Aims Obesity is increasing in younger populations. Barrett’s esophagus is associated with central obesity, so we investigated the occurrence of esophageal adenocarcinoma (EAC) in younger patients and compared them with older patients to determine differences in features at presentation and survival times. Methods We performed a single-center, retrospective study of 682 patients with a diagnosis of EAC treated from 2009 through 2012. We used a Cox proportional hazards model to compar...
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#1Andrew C. Storm (Mayo Clinic)H-Index: 3
#2Eric J. Vargas (Mayo Clinic)H-Index: 8
Last. Barham K. Abu Dayyeh (Mayo Clinic)H-Index: 23
view all 9 authors...
Background and study aim The role of esophageal overtubes in upper gastrointestinal endoscopic suturing is unknown. This study aimed to determine whether overtube use was associated with technical success or adverse events. Patients and methods A retrospective review of consecutive patients who underwent endoscopic suturing for various indications was performed. Results A total of 719 patients underwent endoscopic suturing for various indications, including endoscopic bariatric procedures in 262...
1 CitationsSource
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