Publications by authors named "Keulemans Y"

Importance: Patients with painful chronic pancreatitis and a dilated pancreatic duct can be treated by early surgery or an endoscopy-first approach.

Objective: To compare long-term clinical outcomes of early surgery vs an endoscopy-first approach using follow-up data from the ESCAPE randomized clinical trial.

Design, Setting, And Participants: Between April 2011 and September 2018, 88 patients with painful chronic pancreatitis were randomly assigned to early surgery or an endoscopy-first approach in 30 hospitals in the Netherlands collaborating in the Dutch Pancreatitis Study Group as part of the ESCAPE randomized clinical trial.

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Background: Pancreatitis is the most common complication of endoscopic retrograde cholangiopancreatography (ERCP). Prophylactic rectal administration of non-steroidal anti-inflammatory drugs (NSAIDs) is considered as standard of care to reduce the risk of post-ERCP pancreatitis. It has been suggested that aggressive hydration might further reduce this risk.

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Objective: Pain in chronic pancreatitis is subdivided in a continuous or intermittent pattern, each thought to represent a different entity, requiring specific treatment. Because evidence is missing, we studied pain patterns in a prospective longitudinal nationwide study.

Design: 1131 patients with chronic pancreatitis (fulfilling M-ANNHEIM criteria) were included between 2011 and 2018 in 30 Dutch hospitals.

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Importance: For patients with painful chronic pancreatitis, surgical treatment is postponed until medical and endoscopic treatment have failed. Observational studies have suggested that earlier surgery could mitigate disease progression, providing better pain control and preserving pancreatic function.

Objective: To determine whether early surgery is more effective than the endoscopy-first approach in terms of clinical outcomes.

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Introduction: Chronic pancreatitis (CP) is a progressive inflammatory disorder causing irreversible destruction of pancreatic tissue, leading to malnutrition. A previous study has found that currently used screening methods (periodic recording of body weight and faecal and serological markers) fall short in identifying and curbing malnutrition. Moreover, data is lacking regarding change in nutritional status over time.

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Background: Post-endoscopic retrograde cholangiopancreatography (ERCP) pancreatitis (PEP) is the most common complication of ERCP and may run a severe course. Evidence suggests that vigorous periprocedural hydration can prevent PEP, but studies to date have significant methodological drawbacks. Importantly, evidence for its added value in patients already receiving prophylactic rectal non-steroidal anti-inflammatory drugs (NSAIDs) is lacking and the cost-effectiveness of the approach has not been investigated.

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Aim: To determine the association between the use of incretin agents (dipeptidyl peptidase-4 inhibitors and glucagon-like peptide-1 receptor agonists) for the treatment of type 2 diabetes mellitus (T2DM) and the risk of any, acute and chronic pancreatitis.

Research Design And Methods: A population-based cohort study was conducted using data from the UK Clinical Practice Research Datalink (CPRD 2007-2012). A total of 182 428 adult patients with ≥1 non-insulin antidiabetic drug (NIAD) prescription were matched to control subjects without diabetes.

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Aim: To investigate the association between the use of incretin agents and the risk of pancreatic cancer.

Methods: A retrospective population-based cohort study, using data from the Clinical Practice Research Datalink, 2007-2012, was conducted. Patients (n = 182 428) with at least one non-insulin antidiabetic drug (NIAD) prescription and aged ≥18 years during data collection, were matched one-to-one to control patients without diabetes.

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Introduction: In pancreatic cancer, preoperative biliary drainage (PBD) increases complications compared with surgery without PBD, demonstrated by a recent randomised controlled trial (RCT). This outcome might be related to the plastic endoprosthesis used. Metal stents may reduce the PBD-related complications risk.

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Background/aims: The Glasgow Blatchford Bleeding Score (GBS) has been developed to assess the need for treatment in patients with acute upper gastrointestinal hemorrhage (UGIH) presenting at emergency departments (EDs). We aimed (a) to determine the validity of the GBS and Rockall scoring systems for prediction of need for treatment and (b) to identify the optimal cut-off value of the GBS.

Methods: We carried out a population-based, prospective multicenter study of 520 consecutive patients presenting with acute UGIH at EDs of three hospitals.

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Background: Chronic pancreatitis is a complex disease with many unanswered questions regarding the natural history and therapy. Prospective longitudinal studies with long-term follow-up are warranted.

Methods: The Dutch Chronic Pancreatitis Registry (CARE) is a nationwide registry aimed at prospective evaluation and follow-up of patients with chronic pancreatitis.

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Objectives: Sepsis is associated with high mortality. Because early therapy has proven to decrease mortality, a risk stratification tool that quickly and easily quantifies mortality risk of patients will be helpful to guide appropriate treatment. We investigated five scores in terms of (a) predicting 28-day mortality and (b) their feasibility for use in the emergency department (ED).

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There are few epidemiological data on the dietary risk factors of Barrett's oesophagus, a precursor of oesophageal adenocarcinoma. The present study investigated the association between vegetable, fruit and nitrate intake and Barrett's oesophagus risk in a large prospective cohort. The Netherlands Cohort Study recruited 120,852 individuals aged 55-69 years in 1986.

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Background: To date, only a few risk factors for pancreatic cancer have been established. We examined prospectively relations between several medical conditions and pancreatic cancer incidence.

Methods: In 1986, 120 852 participants completed a baseline questionnaire on cancer risk factors, including several self-reported physician diagnosed medical conditions.

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Objective: Chronic pancreatitis (CP) patients have an increased risk of malnutrition. Information about nutritional status of CP outpatients is scarce, and simple, sensitive methods to identify patients at risk are lacking. This explorative cross-sectional study was performed to survey the nutritional status of CP outpatients.

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A restrictive regime regarding the initiation of blood transfusions was found to be safe in a Spanish study that included 921 patients with upper gastrointestinal bleeding. Survival after 6 weeks was higher (95 vs. 91%) in the restrictive group (Hb 4.

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Background: Increasing meat intake and its possible role in the development of esophageal adenocarcinoma raises the question whether meat consumption is associated with the premalignant lesion, Barrett's esophagus.

Methods: Associations between the risk of Barrett's esophagus and meat consumption, intake of N-nitrosodimethylamine, nitrite, and heme iron were examined in the Netherlands Cohort Study among 120,852 subjects aged 55 to 69 years in 1986. Exposure was measured on the basis of a 150-item food frequency questionnaire.

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Background: In current practice, patients with chronic pancreatitis undergo surgical intervention in a late stage of the disease, when conservative treatment and endoscopic interventions have failed. Recent evidence suggests that surgical intervention early on in the disease benefits patients in terms of better pain control and preservation of pancreatic function. Therefore, we designed a randomized controlled trial to evaluate the benefits, risks and costs of early surgical intervention compared to the current stepwise practice for chronic pancreatitis.

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Background: Pain is a major problem for chronic pancreatitis (CP) patients. Unfortunately, medical therapy often fails. Endoscopic and surgical treatments are invasive, and results vary.

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Background And Aim: Glasgow Blatchford Bleeding Score stratifies patients presenting with acute upper gastrointestinal haemorrhage at the emergency department according to the likelihood of the need for treatment. The objective of this study was to validate the Glasgow Blatchford Bleeding Score for use in an emergency department in the Netherlands. Furthermore, we assessed its clinical usefulness for safe discharge of low-risk acute upper gastrointestinal haemorrhage patients and compared its test validity to that of other scoring systems.

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Chronic pancreatitis is defined as a progressive inflammatory response of the pancreas that has lead to irreversible morphological changes of the parenchyma (fibrosis, loss of acini and islets of Langerhans, and formation of pancreatic stones) as well as of the pancreatic duct (stenosis and pancreatic stones). Pain is one of the most important symptoms of chronic pancreatitis. The pathogenesis of this pain can only partly be explained and it is therefore often difficult to treat this symptom.

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Background & Aims: Barrett's esophagus (BE) increases risk for esophageal adenocarcinoma, but it is not clear how it affects risk for other cancers or overall mortality. We analyzed data from a population-based cohort of subjects with BE.

Methods: The Netherlands Cohort Study was initiated in 1986 and included 120,852 participants (55-69 years old at baseline).

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Background: The tendency of sepsis to progress rapidly and the benefit of an early start of treatment emphasise the importance of fast risk stratification in the emergency department (ED). The aim of the present work was to validate the Mortality in Emergency Department Sepsis (MEDS) score as a predictor of 28-day mortality in ED patients with sepsis in The Netherlands, and to compare its performance to C reactive protein (CRP) and lactate.

Methods: This was a historical cohort study in a secondary and tertiary care university hospital.

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Background: Barrett's esophagus (BE) is a precursor lesion of esophageal adenocarcinoma. Besides gastroesophageal reflux, possible risk factors for BE include overweight, cigarette smoking, and alcohol consumption. Our objective was to study these associations by using prospective data.

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