Research Topics
Species | Ganapathy A PrasadSummaryAffiliation: Mayo Clinic Country: USA Publications
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Publications
Predictors of progression in Barrett's esophagus: current knowledge and future directionsGanapathy A Prasad
Division of Gastroenterology and Hepatology, Barrett s Esophagus Unit, Mayo Clinic, Rochester, MN 55905, USA
Am J Gastroenterol 105:1490-1502. 2010..Although it would be challenging, creation of such a score has the potential to improve outcomes and make the management of patients with BE more cost-effective...- Population screening for barrett esophagus: a prospective randomized pilot studyJoseph Y Chang
Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN 55905, USA
Mayo Clin Proc 86:1174-80. 2011.... 
Predictors of recurrent esophageal food impaction: a case-control studyGanapathy A Prasad
Division of Gastroenterology and Hepatology, Mayo Clinic College of Medicine, Rochester, MN 55905, USA
J Clin Gastroenterol 42:771-5. 2008..Knowledge of factors predisposing to recurrent FI may enable preventive measures to minimize the risk of recurrence...- Eosinophilic esophagitis in adultsGanapathy A Prasad
Division of Gastroenterology and Hepatology, Alfred Main, Mayo Clinic College of Medicine, Rochester, MN 55905, USA
Gastroenterol Clin North Am 37:349-68, v-vi. 2008..Successful treatment in adults has been reported with the use of systemic and topical swallowed steroids. Endoscopic treatment has been associated with increased an risk for tears and perforations... - Correlation of histology with biomarker status after photodynamic therapy in Barrett esophagusGanapathy A Prasad
Barrett Esophagus Unit, Division of Gastroenterology and Hepatology, Mayo Clinic College of Medicine, Rochester, Minnesota 55905, USA
Cancer 113:470-6. 2008..The objectives of the current study were 1) to assess biomarkers in a prospective cohort of patients with HGD/mucosal cancer before and after PDT and 2) to correlate biomarker status after PDT with histology... - Prevalence and predictors of recurrent neoplasia after ablation of Barrett's esophagusRami J Badreddine
Barrett s Esophagus Unit, Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota, USA
Gastrointest Endosc 71:697-703. 2010..The incidence and risk factors for recurrence of dysplasia after ablation of Barrett's esophagus (BE) have not been well defined... - Endoscopic and surgical treatment of mucosal (T1a) esophageal adenocarcinoma in Barrett's esophagusGanapathy A Prasad
Barrett s Esophagus Unit, Division of Gastroenterology and Hepatology, Mayo Clinic College of Medicine, Rochester, Minnesota, USA
Gastroenterology 137:815-23. 2009..Long-term outcomes of patients treated endoscopically and surgically for mucosal EAC are unknown. We compared long-term outcomes of patients with mucosal EAC treated endoscopically and surgically... - Significance of neoplastic involvement of margins obtained by endoscopic mucosal resection in Barrett's esophagusGanapathy A Prasad
Division of Gastroenterology and Hepatology, Mayo Clinic College of Medicine, Rochester, Minnesota, USA
Am J Gastroenterol 102:2380-6. 2007..The aim of this study was to assess the accuracy of tumor staging by EMR using esophagectomy as the standard... - Epidemiology and natural history of intestinal metaplasia of the gastroesophageal junction and Barrett's esophagus: a population-based studyKee Wook Jung
Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota, USA
Am J Gastroenterol 106:1447-55; quiz 1456. 2011.... - Utility of biomarkers in prediction of response to ablative therapy in Barrett's esophagusGanapathy A Prasad
Barrett s Esophagus Unit, Division of Gastroenterology and Hepatology, Mayo Clinic College of Medicine, Rochester, Minnesota, USA
Gastroenterology 135:370-9. 2008..We aimed to determine if biomarkers known to be associated with neoplasia in BE can predict loss of dysplasia in patients treated with ablative therapy for HGD/intramucosal cancer... - Endocytoscopy in esophageal cancerYutaka Tomizawa
St Mary s Hospital, Mayo Clinic College of Medicine, Rochester, MN 55905, USA
Gastrointest Endosc Clin N Am 19:273-81. 2009..Endocytoscopy is a new imaging and magnification technology. It has been developed for observation of cellular structure and applied in the esophageal cancer. In this article we summarize the important aspects of this new modality... - Safety of prior endoscopic mucosal resection in patients receiving radiofrequency ablation of Barrett's esophagusNgozi I Okoro
Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
Clin Gastroenterol Hepatol 10:150-4. 2012..We compared complications and histologic outcomes between patients who had EMR before RFA and those who received only RFA... - Depth of submucosal invasion does not predict lymph node metastasis and survival of patients with esophageal carcinomaRami J Badreddine
Barrett s Esophagus Unit, Division of Gastroenterology and Hepatology, Mayo Clinic College of Medicine, Rochester, Minnesota, USA
Clin Gastroenterol Hepatol 8:248-53. 2010..We evaluated the impact of depth of submucosal invasion on the presence of metastatic lymphadenopathy and survival in patients with esophageal adenocarcinoma... - Epidemiology of eosinophilic esophagitis over three decades in Olmsted County, MinnesotaGanapathy A Prasad
Division of Gastroenterology and Hepatology, Mayo Clinic College of Medicine, Rochester, Minnesota, USA
Clin Gastroenterol Hepatol 7:1055-61. 2009..Data on secular trends and outcomes of eosinophilic esophagitis (EE) are scarce. We performed a population-based study to assess the epidemiology and outcomes of EE in Olmsted County, Minnesota, over the last 3 decades... - Outcomes of T1b esophageal adenocarcinoma patientsJianmin Tian
Barrett s Esophagus Unit, Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota, USA
Gastrointest Endosc 74:1201-6. 2011..Endoscopic management often differs based on the risk of metastasis. There is limited information on the difference in outcomes for T1b-EAC with and without esophagectomy... - Long-term survival following endoscopic and surgical treatment of high-grade dysplasia in Barrett's esophagusGanapathy A Prasad
Barrett s Esophagus Unit, Division of Gastroenterology and Hepatology, Mayo Clinic College of Medicine, Rochester, Minnesota, USA
Gastroenterology 132:1226-33. 2007..Critical information regarding overall survival of patients followed up long-term after these therapies is lacking. Our aim was to compare the long-term survival of patients treated with PDT with patients treated with esophagectomy... - Distribution of body fat and its influence on esophageal inflammation and dysplasia in patients with Barrett's esophagusEric M Nelsen
Division of Internal Medicine, Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN 55905, USA
Clin Gastroenterol Hepatol 10:728-34; quiz e61-2. 2012..This association might be mediated by mechanical and endocrine mechanisms. We investigated the distribution of fat in subjects with BE and its association with esophageal inflammation and dysplasia... 
Predictors of stricture formation after photodynamic therapy for high-grade dysplasia in Barrett's esophagusGanapathy A Prasad
Division of Gastroenterology and Hepatology, Mayo Clinic College of Medicine, Rochester, Minnesota, USA
Gastrointest Endosc 65:60-6. 2007..Stricture formation is the leading cause of long-term morbidity after photodynamic therapy (PDT). Risk factors for stricture formation have not been studied...- Prevalence of esophageal eosinophils in patients with Barrett's esophagusKarthik Ravi
Gastroenterology and Hepatology, Mayo Clinic College of Medicine, Rochester, Minnesota, USA
Am J Gastroenterol 106:851-7. 2011..Our aim was to determine the prevalence of dense esophageal eosinophilia in patients with Barrett's esophagus as a manifestation of GERD... - Prevalence and predictive factors of eosinophilic esophagitis in patients presenting with dysphagia: a prospective studyGanapathy A Prasad
Division of Gastroenterology and Hepatology, GI Epidemiology Outcomes Research Unit, Department of Otolaryngology, Mayo Clinic College of Medicine, Rochester, Minnesota 55905, USA
Am J Gastroenterol 102:2627-32. 2007..We also aimed to determine the clinical and endoscopic factors predictive of EE in outpatients undergoing endoscopy for dysphagia... - Factors associated with increased survival after photodynamic therapy for cholangiocarcinomaGanapathy A Prasad
Division of Gastroenterology and Hepatology, Mayo Clinic College of Medicine, Rochester, MN, USA
Clin Gastroenterol Hepatol 5:743-8. 2007..Recent studies have shown a survival advantage using photodynamic therapy (PDT) in patients with unresectable cholangiocarcinoma. Factors associated with increased survival after PDT are unknown... - High-grade dysplasia and intramucosal adenocarcinoma in Barrett's esophagus: the role of endoscopic eradication therapyCadman L Leggett
Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota, USA
Curr Opin Gastroenterol 28:354-61. 2012..This review highlights the available eradication techniques (resection and ablation) with emphasis on factors that influence the choice of therapy... - Rodent endosonography to monitor esophageal cancerNavtej S Buttar
Department of Internal Medicine, Division of Gastroenterology and Hepatology, Mayo Clinic School of Medicine, and Gastroenterology Research Unit and Barrett s Esophagus Unit, St Mary s Hospital, 1216 Second Street SW, Rochester, MN 55905, USA
Int J Gastrointest Cancer 37:84-90. 2006..2 mm. The procedure was feasible without technical difficulty. In conclusion, rodent endosonography is a useful technique that can accurately determine the presence of tumors as well as their dimensions... - Frozen section analysis of esophageal endoscopic mucosal resection specimens in the real-time management of Barrett's esophagusGanapathy A Prasad
Division of Gastroenterology and Hepatology, 200 First Street SW, Mayo Clinic College of Medicine, Rochester, MN 55905, USA
Clin Gastroenterol Hepatol 4:173-8. 2006..This allows physicians to make decisions regarding further therapy if margins are involved or decrease the use of EMR for histologically benign-appearing lesions... - Endoscopic mucosal resection in the management of esophageal neoplasia: current status and future directionsVikneswaran Namasivayam
Barrett s Esophagus Unit, Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
Clin Gastroenterol Hepatol 8:743-54; quiz e96. 2010..Training requirements to achieve proficiency in endoscopic mucosal resection as well as potential quality measures to assess competence also are proposed in this review... - Endoscopic therapy in patients with Barrett's esophagus and portal hypertensionGanapathy A Prasad
Division of Gastroenterology and Hepatology, Mayo Clinic College of Medicine, 200 First Street SW, Rochester, MN 55905, USA
Gastrointest Endosc 65:527-31. 2007..Endoscopic mucosal resection has been used to stage and treat early neoplasia in Barrett's esophagus. The ability to do this in the setting of portal hypertension has not been reported... - Endoscopic resection of nonadenomatous ampullary neoplasmsPrabhleen Chahal
Division of Gastroenterology and Hepatology, Mayo Clinic College of Medicine, Rochester, MN 55905, USA
J Clin Gastroenterol 41:661-6. 2007.... - Endoscopic ultrasound-guided abscess drainageGanapathy A Prasad
Division of Gastroenterology Hepatology, Mayo Clinic, 200 1st Street SW, Rochester, MN 55905 0002, USA
Gastrointest Endosc Clin N Am 22:281-90, ix. 2012..Although data are limited, evidence supporting its clinical efficacy is increasing rapidly. This article summarizes the current status of EUS-guided approach for drainage of gastrointestinal abscess collections... - Role of esophageal stents in benign and malignant diseasesPrateek Sharma
Division of Gastroenterology and Hepatology, Veterans Affairs Medical Center and University of Kansas School of Medicine, Kansas City, Missouri 64128 2295, USA
Am J Gastroenterol 105:258-73; quiz 274. 2010..downsides (harms, burden, and costs) and subsequent judgment regarding the strength of recommendation...