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Article ; Online: Anti-reflux mucosal ablation for refractory gastroesophageal reflux disease after Roux-en-Y gastric bypass.

Ayoub, Fares / Patel, Kalpesh K

2024 Volume 56, Issue S 01, Page(s) E37–E38

MeSH term(s)	Humans ; Gastric Bypass ; Gastroesophageal Reflux/etiology ; Gastroesophageal Reflux/surgery
Language	English
Publishing date	2024-01-09
Publishing country	Germany
Document type	Journal Article
ZDB-ID	80120-3
ISSN	1438-8812 ; 0013-726X
ISSN (online)	1438-8812
ISSN	0013-726X
DOI	10.1055/a-2223-0499
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Zs.A 669: Show issues			Location: Je nach Verfügbarkeit (siehe Angabe bei Bestand) bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular Jg. 1995 - 2021: Lesesall (1.OG) ab Jg. 2022: Lesesaal (EG)
Zs.MO 162: Show issues

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Article: Anti-reflux mucosal ablation for refractory gastroesophageal reflux disease after Roux-en-Y gastric bypass

Ayoub, Fares / Patel, Kalpesh K.

Endoscopy

2024 Volume 56, Issue S 01, Page(s) E37–E38

Language	English
Publishing date	2024-01-09
Publisher	Georg Thieme Verlag KG
Publishing place	Stuttgart ; New York
Document type	Article
ZDB-ID	80120-3
ISSN	1438-8812 ; 0013-726X
ISSN (online)	1438-8812
ISSN	0013-726X
DOI	10.1055/a-2223-0499
Database	Thieme publisher's database

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Zs.A 669: Show issues			Location: Je nach Verfügbarkeit (siehe Angabe bei Bestand) bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular Jg. 1995 - 2021: Lesesall (1.OG) ab Jg. 2022: Lesesaal (EG)
Zs.MO 162: Show issues

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Article ; Online: Relief of malignant gastric outlet obstruction with lumen-apposing metallic stent-assisted percutaneous endoscopic gastrostomy tube after Roux-en-Y gastric bypass.

Berger, Scott N / Gomez Cifuentes, Juan D / Keihanian, Tara / Abidi, Wasif M / Patel, Kalpesh K

VideoGIE : an official video journal of the American Society for Gastrointestinal Endoscopy

2023 Volume 8, Issue 2, Page(s) 64–67

Abstract: Video 1Xxx. ...

Abstract	Video 1Xxx.
Language	English
Publishing date	2023-01-13
Publishing country	United States
Document type	Journal Article
ISSN	2468-4481
ISSN (online)	2468-4481
DOI	10.1016/j.vgie.2022.09.005
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Article ; Online: Pancreatic parenchymal changes seen on endoscopic ultrasound are dynamic in the setting of fatty pancreas: A short-term follow-up study.

Muftah, Abdullah A / Pecha, Robert L / Riojas Barrett, Margarita / Abidi, Wasif M / Patel, Kalpesh K / Kehanian, Tara / Othman, Mohamed O

Pancreatology : official journal of the International Association of Pancreatology (IAP) ... [et al.

2022 Volume 22, Issue 8, Page(s) 1187–1194

Abstract: Objectives: The impact of fatty pancreas on pancreatic parenchymal changes is unclear. The aim of this study is to assess parenchymal alterations over time in patients with fatty pancreas (FP).: Methods: This is a retrospective study (2014-2021) of ... ...

Abstract	Objectives: The impact of fatty pancreas on pancreatic parenchymal changes is unclear. The aim of this study is to assess parenchymal alterations over time in patients with fatty pancreas (FP). Methods: This is a retrospective study (2014-2021) of patients with FP identified on endoscopic ultrasound (EUS). Subjects with follow up imaging studies including Computed Tomography (CT) scan, Magnetic Resonance Imaging (MRI), and EUS at least two years after the initial EUS were included. Results: A total of 39 patients with a mean age of 51.21 ± 12.34 years were included. Mean initial weight was 80.17 ± 17.75 kg. Diabetes, hepatic steatosis, and EPI were present in 15%, 46% and 33% of the patients at baseline, respectively. In 25 patients with available follow up EUS over 2.4 ± 0.76 years, 16% progressed to chronic pancreatitis (CP) and 24% had progressive parenchymal changes without meeting the criteria for CP. One patient progressed from focal to diffuse FP, while one patient had resolution of FP. In multivariate analysis, progressive parenchymal changes on EUS were associated with an increase in weight over time (p-value 0.04), independent of the effects of gender, alcohol, or tobacco. Conclusion: Progressive parenchymal changes were noted in 44%. Our result suggests that FP is a dynamic process with the possibility of progression or regression over time.
MeSH term(s)	Humans ; Adult ; Middle Aged ; Follow-Up Studies ; Retrospective Studies ; Pancreatic Diseases/diagnostic imaging ; Pancreas/diagnostic imaging ; Endosonography ; Pancreatitis, Chronic
Language	English
Publishing date	2022-11-03
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2056680-3
ISSN	1424-3911 ; 1424-3903
ISSN (online)	1424-3911
ISSN	1424-3903
DOI	10.1016/j.pan.2022.10.006
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Zs.A 5553: Show issues

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Article ; Online: Impact of cap-assisted colonoscopy on the learning curve and quality in colonoscopy: a randomized controlled trial.

Tang, Zhouwen / Zhang, Daniel S / Thrift, Aaron P / Patel, Kalpesh K

Gastrointestinal endoscopy

2017 Volume 87, Issue 3, Page(s) 723–732.e3

Abstract: Background and aims: Colonoscopy competency assessment in trainees traditionally has been informal. Comprehensive metrics such as the Assessment of Competency in Endoscopy (ACE) tool suggest that competency thresholds are higher than assumed. Cap- ... ...

Abstract	Background and aims: Colonoscopy competency assessment in trainees traditionally has been informal. Comprehensive metrics such as the Assessment of Competency in Endoscopy (ACE) tool suggest that competency thresholds are higher than assumed. Cap-assisted colonoscopy (CAC) may improve competency, but data regarding novice trainees are lacking. We compared CAC versus standard colonoscopy (SC) performed by novice trainees in a randomized controlled trial. Methods: All colonoscopies performed by 3 gastroenterology fellows without prior experience were eligible for the study. Exclusion criteria included patient age <18 or >90 years, pregnancy, prior colon resection, diverticulitis, colon obstruction, severe hematochezia, referral for EMR, or a procedure done without patient sedation. Patients were randomized to either CAC or SC in a 1:1 fashion. The primary outcome was the independent cecal intubation rate (ICIR). Secondary outcomes were cecal intubation time, polyp detection rate, polyp miss rate, adenoma detection rate, ACE tool scores, and cumulative summation learning curves. Results: A total of 203 colonoscopies were analyzed, 101 in CAC and 102 in SC. CAC resulted in a significantly higher cecal intubation rate, at 79.2% in CAC compared with 66.7% in SC (P = .04). Overall cecal intubation time was significantly shorter at 13.7 minutes for CAC versus 16.5 minutes for SC (P =.02). Cecal intubation time in the case of successful independent fellow intubation was not significantly different between CAC and SC (11.6 minutes vs 12.7 minutes; P = .29). Overall ACE tool motor and cognitive scores were higher with CAC. Learning curves for ICIR approached the competency threshold earlier with cap use but reached competency for only 1 fellow. The polyp detection rate, polyp miss rate, and adenoma detection rate were not significantly different between groups. Conclusions: CAC resulted in significant improvement in ICIR, overall ACE tool scores, and trend toward competency on learning curves when compared with SC in colonoscopy trainees without prior colonoscopy experience. (Clinical trial registration number: NCT02472730.).
MeSH term(s)	Adult ; Aged ; Clinical Competence/statistics & numerical data ; Colon/pathology ; Colonoscopy/education ; Colonoscopy/methods ; Fellowships and Scholarships/statistics & numerical data ; Female ; Gastroenterology/education ; Humans ; Learning Curve ; Male ; Middle Aged ; Prospective Studies
Language	English
Publishing date	2017-06-23
Publishing country	United States
Document type	Journal Article ; Randomized Controlled Trial
ZDB-ID	391583-9
ISSN	1097-6779 ; 0016-5107
ISSN (online)	1097-6779
ISSN	0016-5107
DOI	10.1016/j.gie.2017.06.011
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Zs.B 283: Show issues			Location: Je nach Verfügbarkeit (siehe Angabe bei Bestand) bis Jg. 2021: Bestellungen von Artikeln über das Online-Bestellformular ab Jg. 2022: Lesesaal (EG)
Zs.MO 519: Show issues

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Article ; Online: Where Contrast Does Not Belong: A Rare Cause of Abdominal Pain.

Liao, Kershena S / Gill, Bartley J / Patel, Kalpesh K

Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association

2015 Volume 13, Issue 7, Page(s) A45–6

MeSH term(s)	Abdominal Pain/diagnosis ; Abdominal Pain/etiology ; Aged ; Angiography ; Aortic Aneurysm, Abdominal/diagnosis ; Aortic Aneurysm, Abdominal/pathology ; Humans ; Male ; Radiography, Abdominal ; Tomography, X-Ray Computed
Language	English
Publishing date	2015-07
Publishing country	United States
Document type	Case Reports ; Journal Article
ZDB-ID	2119789-1
ISSN	1542-7714 ; 1542-3565
ISSN (online)	1542-7714
ISSN	1542-3565
DOI	10.1016/j.cgh.2015.02.008
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Zs.A 5836: Show issues

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Book ; Online: Multiple Kernel Fisher Discriminant Metric Learning for Person Re-identification

Ali, T M Feroz / Patel, Kalpesh K / Velmurugan, Rajbabu / Chaudhuri, Subhasis

2019

Abstract: Person re-identification addresses the problem of matching pedestrian images across disjoint camera views. Design of feature descriptor and distance metric learning are the two fundamental tasks in person re-identification. In this paper, we propose a ... ...

Abstract	Person re-identification addresses the problem of matching pedestrian images across disjoint camera views. Design of feature descriptor and distance metric learning are the two fundamental tasks in person re-identification. In this paper, we propose a metric learning framework for person re-identification, where the discriminative metric space is learned using Kernel Fisher Discriminant Analysis (KFDA), to simultaneously maximize the inter-class variance as well as minimize the intra-class variance. We derive a Mahalanobis metric induced by KFDA and argue that KFDA is efficient to be applied for metric learning in person re-identification. We also show how the efficiency of KFDA in metric learning can be further enhanced for person re-identification by using two simple yet efficient multiple kernel learning methods. We conduct extensive experiments on three benchmark datasets for person re-identification and demonstrate that the proposed approaches have competitive performance with state-of-the-art methods.
Keywords	Computer Science - Computer Vision and Pattern Recognition
Subject code	006
Publishing date	2019-10-09
Publishing country	us
Document type	Book ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Medical education: a key partner in realizing personalized medicine in gastroenterology.

Patel, Kalpesh K / Babyatsky, Mark W

Gastroenterology

2008 Volume 134, Issue 3, Page(s) 656–661

MeSH term(s)	Curriculum ; Education, Medical, Graduate ; Gastroenterology/education ; Gastrointestinal Neoplasms/genetics ; Gastrointestinal Neoplasms/therapy ; Helicobacter Infections/genetics ; Helicobacter Infections/microbiology ; Helicobacter Infections/therapy ; Helicobacter pylori/genetics ; Humans ; Inflammatory Bowel Diseases/genetics ; Inflammatory Bowel Diseases/therapy ; Internship and Residency ; Models, Educational ; Patient Selection ; Pharmacogenetics ; Program Development
Language	English
Publishing date	2008-03
Publishing country	United States
Document type	Journal Article
ZDB-ID	80112-4
ISSN	1528-0012 ; 0016-5085
ISSN (online)	1528-0012
ISSN	0016-5085
DOI	10.1053/j.gastro.2008.01.064
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Ui V Zs.44: Show issues			Location: Je nach Verfügbarkeit (siehe Angabe bei Bestand) bis Jg. 2021: Bestellungen von Artikeln über das Online-Bestellformular ab Jg. 2022: Lesesaal (EG)
Zs.MO 572: Show issues

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Article ; Online: Neuroendocrine tumors of the pancreas: endoscopic diagnosis.

Patel, Kalpesh K / Kim, Michelle K

Current opinion in gastroenterology

2008 Volume 24, Issue 5, Page(s) 638–642

Abstract: Purpose of review: Endoscopic ultrasound (EUS) is a valuable tool in the diagnosis and management of pancreatic neuroendocrine tumors. This review highlights advances over the last year in EUS in the evaluation of pancreatic neuroendocrine tumors.: ... ...

Abstract	Purpose of review: Endoscopic ultrasound (EUS) is a valuable tool in the diagnosis and management of pancreatic neuroendocrine tumors. This review highlights advances over the last year in EUS in the evaluation of pancreatic neuroendocrine tumors. Recent findings: We will focus on recent findings regarding the accuracy of EUS, EUS-guided fine needle aspiration (EUS-fine needle aspiration), emerging cytologic markers obtained from fine needle aspiration samples, and the role of EUS screening for patients with multiple endocrine neoplasia type 1 syndrome. Additionally, we will introduce potential therapeutic EUS interventions in the treatment of pancreatic neuroendocrine tumors. Summary: The present review highlights recent advances in the utility of EUS in the clinical management of pancreatic neuroendocrine tumors. Key studies from the last year demonstrate the important role of EUS in the diagnosis, prognosis, and treatment of pancreatic neuroendocrine tumors.
MeSH term(s)	Biopsy, Fine-Needle/methods ; Endosonography/methods ; Humans ; Neoplasm Invasiveness/pathology ; Neoplasm Staging ; Neuroendocrine Tumors/diagnostic imaging ; Neuroendocrine Tumors/pathology ; Pancreatic Neoplasms/diagnostic imaging ; Pancreatic Neoplasms/pathology ; Sensitivity and Specificity
Language	English
Publishing date	2008-09
Publishing country	United States
Document type	Journal Article ; Review
ZDB-ID	632571-3
ISSN	1531-7056 ; 0267-1379
ISSN (online)	1531-7056
ISSN	0267-1379
DOI	10.1097/MOG.0b013e32830bf7fb
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Article: Comparison of endoscopic ultrasound guided 22-gauge core needle with standard 25-gauge fine-needle aspiration for diagnosing solid pancreatic lesions.

Berzosa, Manuel / Villa, Nicolas / El-Serag, Hasheme B / Sejpal, Divyesh V / Patel, Kalpesh K

Endoscopic ultrasound

2015 Volume 4, Issue 1, Page(s) 28–33

Abstract: Background and objectives: Endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA) is the standard modality for diagnosing pancreatic masses. We compared the diagnostic yield of a new EUS-guided 22-gauge core needle biopsy to a standard 25-gauge ... ...

Abstract	Background and objectives: Endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA) is the standard modality for diagnosing pancreatic masses. We compared the diagnostic yield of a new EUS-guided 22-gauge core needle biopsy to a standard 25-gauge FNA in sampling the same pancreatic lesions during the same EUS. Patients and methods: The main outcomes of the study were the sample adequacy of each method to provide a final pathological diagnosis, and the concordance in diagnosis between core and FNA specimens. The secondary outcomes were the sensitivity and specificity of the findings for each needle and the incremental yield of using both needles compared with using each needle alone. Results: A total of 56 patients with 61 solid pancreatic lesions were evaluated. The mean number of passes with FNA was 3.5 (ranges 1-8) and with core biopsy needle was 1.7 (ranges 1-5). The proportions of adequate samples were 50/61 (81.9%) for FNA and 45/61 (73.8%) for core biopsy (P = 0.37). The diagnostic yield was 46/61 (75.4%), 42/61 (68.9%) and 47/61 (77.1%) for FNA, core, and both, respectively. There was a substantial agreement of 87.5% (κ = 0.77; P < 0.001) in the findings of core and FNA specimens. The sensitivity for the diagnosis of malignancy for FNA and core biopsy were 68.1% and 59.6%, respectively (P = no significant [NS]). The specificity was 100% for both methods. The incremental increase in sensitivity and specificity by combining both methods are 1.5% and 0%, respectively. Conclusion: There are NS differences in the diagnostic yield between EUS-guided 22-gauge core biopsy and standard 25-gauge FNA for diagnosing pancreatic lesions, but core biopsy required fewer numbers of passes. There was NS incremental diagnostic yield when using both needles during the same procedure.
Language	English
Publishing date	2015-01-27
Publishing country	China
Document type	Journal Article
ZDB-ID	2998317-4
ISSN	2226-7190 ; 2303-9027
ISSN (online)	2226-7190
ISSN	2303-9027
DOI	10.4103/2303-9027.151320
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