Publications by authors named "Neil Sharma"

Article Synopsis
  • Primary sclerosing cholangitis (PSC) is a liver disease linked to inflammatory bowel disease and can cause serious liver complications; this study investigates trends in healthcare usage and mortality related to PSC in the U.S. from 2008 to 2017.
  • The analysis of the Nationwide Inpatient Sample reveals that while hospital charges for PSC patients rose by 32.2%, the average length of hospital stays decreased during the study period, indicating changes in healthcare practices.
  • Additionally, there was a notable increase in the severity of illness and risk of death among PSC patients, with a rise in cases of hepatocellular carcinoma (HCC), while cases of cholangiocarcinoma (CCA) saw a decline.
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Background: Endoscopic ultrasound-guided gastroenterostomy (EUS-GE) is a minimally invasive technique for treating gastric outlet obstruction (GOO). The aim of this study was to assess the outcomes of EUS-GE in managing benign GOO caused by duodenal stenosis in patients with acute pancreatitis.

Methods: This international retrospective study analyzed patients treated with EUS-GE for GOO caused by acute pancreatitis until December 2023, evaluating technical and clinical success, adverse events, and reintervention.

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We assessed the impact of frailty on outcomes of endoscopic retrograde cholangiopancreatography (ERCP) in the United States. The National Readmission Database (2016-2020) was used to identify index and 30-day ERCP readmissions, which were categorized into low-frailty, intermediate-frailty, and high-frailty groups based on the Hospital Frailty Risk Score (HFRS). Outcomes were then compared.

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Objective: Endoscopic submucosal dissection (ESD) is a superior, minimally invasive technique compared with other snare-based endoscopic resection techniques for rectal neoplasms extending to the dentate line (RNDLs). However, performing a successful ESD in the anal canal can be challenging due to vascularity and limited scope stability. In this meta-analysis, we aim to evaluate the safety and efficacy of ESD for RNDLs.

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Background And Aims: Effect of underwater endoscopic submucosal dissection (UESD) on clinical outcomes as compared with conventional ESD (CESD) remains unclear. We conducted a meta-analysis of the available data.

Methods: Online databases were searched for studies comparing UESD with CESD for colorectal lesions.

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Article Synopsis
  • - The study aimed to compare the effectiveness of ultrasound (US) elastography-guided fine-needle aspiration cytology (FNAC) versus conventional US-guided FNAC in diagnosing thyroid nodules, focusing on reducing nondiagnostic results.
  • - Conducted across 18 hospitals in England, the trial involved 982 participants who were randomized to either the elastography (493 patients) or conventional method (489 patients), finding no significant differences in the nondiagnostic rates or time to diagnosis between the two methods.
  • - The results showed similar rates of malignancy and benign findings in both groups, indicating that US elastography-guided FNAC may not provide additional benefits compared to standard US-guided FNAC for thyroid nodules. *
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Background/aim: Endoscopic vacuum-assisted closure (EVAC) is a novel technique used to repair esophageal perforation and leaks. Varying data have been reported on the overall success rate of EVAC. We aimed to conduct a metanalysis of the available data on the clinical success rate of EVAC.

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Introduction: ElaTION is a large multi-centre pragmatic randomised controlled trial, performed in 18 secondary/tertiary hospitals across England, comparing elastography ultrasound-guided fine needle aspiration cytology (EUS-FNAC) with ultrasound-guided FNAC (US-FNAC) alone in the diagnostic assessment of thyroid nodules. Secondary trial outcomes, reported here, assessed the accuracy of ultrasound-alone (US) compared with US-guided FNAC to inform and update current practice guidelines.

Methods: Adults with single or multiple thyroid nodules who had not undergone previous FNAC were eligible.

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Background: Strain and shear wave elastography which is commonly used with concurrent real-time imaging known as real-time ultrasound shear/strain wave elastography is a new diagnostic technique that has been reported to be useful in the diagnosis of nodules in several organs. There is conflicting evidence regarding its benefit over ultrasound-guided fine-needle aspiration cytology alone in thyroid nodules.

Objectives: To determine if ultrasound strain and shear wave elastography in conjunction with fine-needle aspiration cytology will reduce the number of patients who have a non-diagnostic first fine-needle aspiration cytology results as compared to conventional ultrasound-only guided fine-needle aspiration cytology.

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Background & Aims: There is significant variability in the immediate post-operative and long-term management of patients undergoing per-oral endoscopic myotomy (POEM), largely stemming from the lack of high-quality evidence. We aimed to establish a consensus on several important questions on the after care of post-POEM patients through a modified Delphi process.

Methods: A steering committee developed an initial questionnaire consisting of 5 domains (33 statements): post-POEM admission/discharge, indication for immediate post-POEM esophagram, peri-procedural medications and diet resumption, clinic follow-up recommendations, and post-POEM reflux surveillance and management.

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Article Synopsis
  • A systematic review and meta-analysis were conducted to evaluate the effectiveness of prophylactic pancreatic duct stenting (PPDS) in reducing post-ampullectomy pancreatitis (PAP) and overall complications during endoscopic ampullectomy (EA).
  • The analysis included 34 studies with nearly 1,900 patients, revealing no significant difference in PAP rates between patients who received PPDS (11.9%) and those who did not (16.6%).
  • The overall findings suggest that PPDS does not significantly protect against PAP, with variations in study methods and patient factors possibly influencing the higher PAP rates observed without PPDS.
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Background: Head and neck carcinoma of unknown primary (CUP) represents a challenging diagnostic process when standard work-up fails to identify the primary tumour site. The aim of this systematic review and meta-analysis was to evaluate the diagnostic utility and complication profile of transoral robotic surgery (TORS) tongue base mucosectomy (TBM) in the management of CUP.

Patients And Methods: An electronic database search was performed in the EMBASE, MEDLINE, PubMed and Cochrane databases.

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Background And Aims: Training in interventional endoscopy is offered by nonaccredited advanced endoscopy fellowship programs (AEFPs). The number of these programs has increased dramatically with a concurrent increase in the breadth and complexity of interventional endoscopy procedures. Accreditation is governed by competency-based education, yet what constitutes a "high-quality" nonaccredited AEFP has not been defined.

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Introduction: Hybrid endoscopic submucosal dissection (H-ESD), which utilizes ESD knife along with snare-based resection, has been developed to overcome the technical complexity of conventional ESD (C-ESD). The aim of this study was to compare the therapeutic outcomes of H-ESD vs C-ESD for nonpedunculated colorectal lesions ≥20 mm in size.

Methods: We conducted a multicenter randomized controlled trial to compare H-ESD and C-ESD (Short-ESD trial).

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Background And Aims: Studies assessing EUS-guided biliary drainage (EUS-BD) or gallbladder drainage (EUS-GB) using lumen-apposing metal stents (LAMSs) have shown variable results based on the type of LAMS. We performed a meta-analysis of the available data.

Methods: Multiple online databases were searched for studies using LAMSs (Axios [Boston Scientific, Marlborough, Mass, USA] or Spaxus [Taewoong Medical Co, Gimpo, Korea]) for EUS-BD and EUS-GB.

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Background: Thalidomide has been used for angioectasia-associated refractory gastrointestinal bleeding (GIB), with studies showing variable efficacy and side effects profile. We conducted a meta-analysis to reconcile the data.

Methods: Online databases were searched for studies evaluating thalidomide in patients with refractory/recurrent GIB due to angioectasias.

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Background: Endoscopic retrograde cholangiopancreatography (ERCP) is an essential therapeutic tool for biliary and pancreatic diseases. Frail and elderly patients, especially those aged ≥ 90 years are generally considered a higher-risk population for ERCP-related complications.

Aim: To investigate outcomes of ERCP in the Non-agenarian population (≥ 90 years) concerning Frailty.

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Background: Studies evaluating endoscopic full-thickness resection (EFTR) and endoscopic submucosal dissection (ESD) for complex colorectal lesions have shown variable results. We conducted a meta-analysis of the available data.

Methods: Online databases were searched for studies comparing EFTR versus ESD for complex colorectal lesions.

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Background And Aims: Postoperative stricture is a serious common adverse event after extensive endoscopic submucosal dissection (ESD) in the esophagus. Self-assembling peptide (SAP) gel has been shown to promote tissue healing and re-epithelialization. The aim of this study was to evaluate the effect of the SAP gel for esophageal stricture prevention after ESD.

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Endoscopically delivered liquid nitrogen spray cryotherapy is reported to be a safe and possibly more effective strategy for dysphagia palliation in patients with advanced esophageal cancer. This systematic review and meta-analysis aimed to pool all available data to evaluate the impact of this treatment modality. Electronic databases (PubMed, Embase, and Cochrane Library) from January 2005 through June 2023 were searched for studies evaluating endoscopically delivered liquid nitrogen spray cryotherapy for dysphagia palliation in patients with advanced esophageal cancer.

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Radiation proctitis (RP), a well-known complication of pelvic radiation therapy, may lead to recurrent hospitalizations. We aimed to assess readmissions of RP in the United States. We analyzed the Nationwide Readmission Database from 2016 to 2020 to identify all 30-, 60-, and 90-day readmissions of RP in the United States.

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Introduction: Compared with conventional endoscopic submucosal dissection (C-ESD) for colorectal lesions, the traction method (T-ESD) allows the lesion to be stabilized with easier dissection. However, randomized controlled trials (RCTs) have reported conflicting results on the clinical outcomes of T-ESD as compared with C-ESD. We conducted a meta-analysis to compile the data.

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Article Synopsis
  • Opioid-induced esophageal dysfunction (OIED), which includes spastic esophageal disorders (SEDs) and esophagogastric junction outflow obstruction (EGJOO), is the focus of a study that compares treatment outcomes of peroral endoscopic myotomy (POEM) between opioid users and nonusers.
  • The study involved a matched analysis of 128 patients (64 opioid users and 64 nonusers) who underwent POEM, ensuring that demographic and clinical characteristics were comparable.
  • Results showed that opioid users had a significantly lower clinical response to POEM (79.7% vs. 93.8%), with higher daily opioid doses linked to a greater likelihood of treatment failure.
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Background And Aims: Endoscopic mucosal resection (EMR) with use of electrocautery (conventional EMR) has historically been used to remove large duodenal adenomas; however, use of electrocautery can predispose to adverse events including delayed bleeding and perforation. Cold snare EMR (cs-EMR) has been shown to be safe and effective for removal of colon polyps, but data regarding its use in the duodenum are limited. The aim of this study was to evaluate the efficacy and safety of cs-EMR for nonampullary duodenal adenomas ≥1 cm.

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