Publications by authors named "Rakesh Kochhar"

Article Synopsis
  • Acute pancreatitis (AP) is a serious condition that can range from mild to severe, with complications like infections and organ failure becoming more common due to the increased presence of multi-drug-resistant organisms linked to improper antibiotic use.
  • * The study aims to explore the experiences of patients with suspected infected pancreatic necrosis (IPN), focusing on identifying the prevalence of multi-drug-resistant organisms (MDROs) and understanding their antibiotic resistance.
  • * Data was collected from 130 patients at a tertiary hospital in India, revealing that a majority had significant pancreatic necrosis, with high rates of organ failure and infections, particularly in the respiratory tract, and showing specific microbial resistance patterns.
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Background: The standard salvage technique used for difficult bile duct cannulation is precut sphincterotomy, whereas endoscopic ultrasound-guided rendezvous technique (EUS-RV) is a relatively newer method. Prospective comparative data between these 2 techniques as salvage for biliary access in patients with benign biliary disease and difficult bile duct cannulation is lacking.

Objective: To compare EUS-RV and precut sphincterotomy as salvage technique for difficult bile duct cannulation in benign biliary obstruction.

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Article Synopsis
  • - A new machine learning tool was developed to predict the risk of post-ERCP pancreatitis (PEP) using data from 12 clinical trials, aiming to improve decision-making regarding patient care.
  • - The tool was trained on 7389 patients, considering various risk factors and interventions, achieving a predictive accuracy (AUC) of 0.70 in the training phase and 0.74 in a pilot study with 135 patients.
  • - This study shows that the model can effectively help identify patients at low risk for PEP, potentially reducing unnecessary post-procedural monitoring.
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Pancreatic fluid collections (PFCs) result from injury to the pancreas from acute or chronic pancreatitis, surgery, or trauma. Management of these collections has evolved over the last 2 decades. The choice of interventions includes percutaneous, endoscopic, minimally invasive surgery, or a combined approach.

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Acute pancreatitis is an acute inflammatory condition of the pancreas that has not only local but systemic effects as well. Venous thrombosis is one such complication which can give rise to thrombosis of the peripheral vasculature in the form of deep vein thrombosis, pulmonary embolism, and splanchnic vein thrombosis. The prevalence of these complications increases with the severity of the disease and adds to the adverse outcomes profile.

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Article Synopsis
  • Recent use of larger metal stents for walled-off necrosis (WON) has shown higher effectiveness but prior studies did not include cases with significant solid debris.
  • A trial with 48 patients compared the success of plastic versus metal stents for drainage of symptomatic WON, finding that plastic stents are non-inferior to metal stents in treatment success (87.5% vs 83.3%).
  • While the metal stent group had a shorter procedure duration, both groups had similar total procedures and minor adverse events, necessitating larger studies for definitive conclusions.
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Background: There are limited studies on the impact of gender on training and career advancement in gastroenterology.

Aim: The aim was to study this impact and understand the perceptions of work-life balance and beliefs regarding gender dynamics among gastroenterologists in India and other South Asian countries.

Methods: A web-based survey was conducted among trainees and attending physicians in South Asia from November 15, 2021, to March 30, 2022.

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Article Synopsis
  • Caustic ingestion can cause serious long-term health issues, including esophageal stricture and increased cancer risk, yet only a few studies have looked into the detailed tissue changes caused by such injuries.
  • A retrospective study evaluated 39 surgical specimens from patients who experienced complications due to caustic ingestion between 2008 and 2020, finding that most had significant tissue damage such as deep inflammation and structural changes.
  • The findings suggest that caustic ingestion primarily results in severe mucosal damage and inflammation, contributing to complications like refractory stricture, but no cases of dysplasia were identified in the examined tissues.
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Pancreatic fistula is a highly morbid complication of pancreatitis. External pancreatic fistulas result when pancreatic secretions leak externally into the percutaneous drains or external wound (following surgery) due to the communication of the peripancreatic collection with the main pancreatic duct (MPD). Internal pancreatic fistulas include communication of the pancreatic duct (directly or via intervening collection) with the pleura, pericardium, mediastinum, peritoneal cavity, or gastrointestinal tract.

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Background And Aim: While European Society of Pediatric Gastroenterology Hepatology and Nutrition advocates a no-biopsy pathway for the diagnosis of celiac disease (CeD) in children if IgA anti-tissue transglutaminase antibody (anti-tTG ab) titer is ≥10-fold upper limit of normal (ULN) and have a positive IgA anti-endomysial antibody (EMA); the data for anti-tTG Ab titer-based diagnosis of CeD in adults is still emerging. We planned to validate if IgA anti-tTG Ab titer ≥10-fold predicts villous abnormalities of modified Marsh grade ≥2 in Asian adult patients with CeD.

Methods: We recruited 937 adult patients with positive anti-tTG Ab from two databases, including AIIMS Celiac Clinic and Indian National Biorepository.

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Background And Aim: Celiac disease (CeD) has now become a global disease with a worldwide prevalence of 0.67%. Despite being a common disease, CeD is often not diagnosed and there is a significant delay in its diagnosis.

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Background: Although both nonsteroidal anti-inflammatory drugs (NSAIDs) and opioids are used for analgesia in acute pancreatitis (AP), the analgesic of choice is not known. We compared buprenorphine, an opioid, and diclofenac, an NSAID, for analgesia in AP.

Methods: In a double-blind randomized controlled trial, AP patients were randomized to receive intravenous diclofenac or intravenous buprenorphine.

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Article Synopsis
  • Proton pump inhibitors (PPIs) are widely prescribed medications used for treating gastric acid-related disorders, but concerns about inappropriate usage have emerged over the years.
  • There are worries regarding the safety and adverse effects of long-term PPI use, emphasizing the need for better management practices known as PPI stewardship.
  • The Indian Society of Gastroenterology has developed guidelines using a modified Delphi process to optimize PPI use and enhance clinician awareness on appropriate indications and durations for prescribing them.
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The occurrence of diabetes mellitus (DM) in pancreatitis is being increasingly recognized lately. Diabetes can develop not only with chronic pancreatitis but even after the first episode of acute pancreatitis (AP). The incidence of diabetes after AP varies from 18% to 23% in 3 years and reaches up to 40% over 5 years.

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  • Endoscopic dilation is highlighted as the main method for treating caustic esophageal strictures (CES), and this study aims to compare the effectiveness of bougie versus balloon dilators.
  • Data from 189 CES patients over 16 years was analyzed, showing that bougie dilators had significantly better outcomes in terms of technical success and both short- and long-term clinical success compared to balloon dilators.
  • Despite similar adverse event rates in both groups, results indicated that bougie dilators are the preferred choice due to their higher success rates in treating CES.
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Background: The data evaluating contrast-induced-acute kidney injury (AKI) in patients with acute pancreatitis is scarce. This study aimed to compare the frequency of AKI in patients with acute necrotizing pancreatitis undergoing non-contrast computed tomography (NCCT) with those undergoing contrast-enhanced computed tomography (CECT) during hospitalization.

Methods: This prospective randomized controlled trial (CTRI/2019/12/022206) screened consecutive patients with acute pancreatitis for eligibility and randomly allocated patients with acute necrotizing pancreatitis (based on CECT in the first week of illness) and normal renal functions to receive either NCCT or CECT during hospitalization.

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Article Synopsis
  • The study looked at factors that might lead to pancreatitis after a specific medical procedure called ERCP, especially in patients who were given a medicine called rectal indomethacin.
  • They found that younger patients under 50, females, and certain procedures increased the risk of getting pancreatitis.
  • Using a specific type of fluid (lactated Ringer's) during the procedure could lower the risk, so doctors should consider using it if patients have to go through more than two guidewire passes in their pancreatic duct.
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Introduction: Recent pilot trials in acute pancreatitis (AP) found that lactated ringers (LR) usage may result in decreased risk of moderately severe/severe AP compared with normal saline, but their small sample sizes limit statistical power. We investigated whether LR usage is associated with improved outcomes in AP in an international multicenter prospective study.

Methods: Patients directly admitted with the diagnosis of AP were prospectively enrolled at 22 international sites between 2015 and 2018.

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Intra-abdominal hypertension (IAH) and abdominal compartment syndrome (ACS) are underrecognized entities in patients of acute pancreatitis (AP). IAH develops in 30% to 60% and ACS in 15% to 30% of all AP patients and they are markers of severe disease with high morbidity and mortality. The detrimental effect of increased IAP has been recognized in several organ systems, including the central nervous system, cardiovascular, respiratory, renal and gastrointestinal systems.

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  • Surgical intervention is often necessary for patients with acute corrosive injuries, but it comes with high risks of complications and mortality, as shown in a study of 170 patients where 14% required emergency surgery.
  • The most common reasons for surgery were peritonitis and mediastinitis, with patients experiencing high post-operative mortality rates.
  • Despite the initial dangers, a significant number of survivors (72%) were able to undergo successful reconstructive surgeries during follow-up after the acute phase had passed.*
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Antiplatelet and/or anticoagulant agents (collectively known as antithrombotic agents) are used to reduce the risk of thromboembolic events in patients with conditions such as atrial fibrillation, acute coronary syndrome, recurrent stroke prevention, deep vein thrombosis, hypercoagulable states and endoprostheses. Antithrombotic-associated gastrointestinal (GI) bleeding is an increasing burden due to the growing population of advanced age with multiple comorbidities and the expanding indications for the use of antiplatelet agents and anticoagulants. GI bleeding in antithrombotic users is associated with an increase in short-term and long-term mortality.

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Background: Gastric varices (GVs) are conventionally managed with endoscopic cyanoacrylate (E-CYA) glue injection. Endoscopic ultrasound (EUS)-guided therapy using combination of coils and CYA glue (EUS-CG) is a relatively recent modality. There is limited data comparing the two techniques.

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Background: Predicting response to biliary drainage is critical to stratify patients with acute cholangitis. Total leucocyte count (TLC) is one of the criteria for predicting the severity of cholangitis and is routinely performed. We aim to investigate the performance of neutrophil-lymphocyte ratio (NLR) in predicting clinical response to percutaneous transhepatic biliary drainage (PTBD) in acute cholangitis.

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This review summarized the current controversies in the management of acute pancreatitis (AP). The controversies in management range from issues involving fluid resuscitation, nutrition, the role of antibiotics and antifungals, which analgesic to use, role of anticoagulation and intervention for complications in AP. The interventions vary from percutaneous drainage, endoscopy or surgery.

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