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    • Marja A Boermeester
    • Marja  A Boermeester

      Marja A Boermeester

      Department of Surgery, Amsterdam UMC, location University of Amsterdam, Amsterdam, The Netherlands | Department of Surgery, Free University Hospital, Amsterdam, The ...



      KOL Resume for Marja A Boermeester


      Department of Surgery, Amsterdam UMC, location University of Amsterdam, Amsterdam, The Netherlands


      Department of Surgery, Amsterdam UMC - University of Amsterdam, Amsterdam, the Netherlands, the Netherlands.

      Afd. Chirurgie, Amsterdam UMC (locatie AMC), Amsterdam, Nederland


      Department of Surgery, University of Amsterdam, Amsterdam, the Netherlands


      Department of Surgery, Amsterdam Gastroenterology and Metabolism, Amsterdam UMC, University of Amsterdam.

      AMC Amsterdam, the Netherlands


      From the *Department of Surgery, Cancer Center Amsterdam, Academic Medical Center, Amsterdam ; †Laboratory for Experimental Oncology and Radiobiology, Center for Experimental and Molecular Medicine, Academic Medical Center and Cancer Center Amsterdam, Amsterdam; ‡Department of Surgery, Leiden University Medical Center, Leiden; §Department of Pathology, University Medical Center, Utrecht; ∥Department of Pathology, Radboud University Medical Center, Nijmegen; ¶Department Gastroenterology and Hepatology, Erasmus Medical Center, Rotterdam; #Department of Surgery, Maastricht University Medical Center, Maastricht; **Department of Pathology, Cancer Center Amsterdam, Academic Medical Center, Amsterdam; ††Department of Surgery, Erasmus Medical Center, Rotterdam; ‡‡Department of Pathology, Leiden University Medical Center, Leiden; §§Department of Gastroenterology, Cancer Center Amsterdam, Amsterdam Institute for Gastroenterology and Metabolism, Academic Medical Center Amsterdam; ∥∥Department of Surgery, OLVG, Amsterdam; ¶¶Department of Surgery, Maasstad Hospital, Rotterdam; ##Department of Surgery and ***Department of Pathology, Catharina Hospital, Eindhoven; †††Department of Surgery, Cancer Center Amsterdam, VU Medical Center, Amsterdam; ‡‡‡Department of Surgery, Medisch Spectrum Twente, Enschede; §§§Department of Surgery, University of Groningen and University Medical Center Groningen, Groningen; ∥∥∥Department of Surgery, Radboud University Medical Center, Nijmegen; ¶¶¶Department of Medical Oncology, Cancer Center Amsterdam, Academic Medical Center, Amsterdam; ###Department of Surgery, St Antonius Hospital, Nieuwegein; ****Parelsnoer Institute, Utrecht; ††††Department of Surgery, University Medical Center, Utrecht; and ‡‡‡‡Department of Surgery, Academic Medical Center, Amsterdam, the Netherlands.

      Department of Surgery, Academic Medical Centre, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands


      Department of Surgery, Academic Medical Centre, University of Amsterdam, Amsterdam, Netherlands


      Department of Surgery, Academic Medical Centre Amsterdam, The Netherlands



      Marja A Boermeester: Influence Statistics

      Sample of concepts for which Marja A Boermeester is among the top experts in the world.
      Concept World rank
      validation surpass #1
      ssi risk administration #1
      consensus ssi prevention #1
      npwt fistula fasciotomy #1
      complicated disease months #1
      a1at deficiency development #1
      pades surgery department #1
      ssc surpass #1
      surpass combination #1
      patients suspected appendicitis #1
      radpass #1
      failure human error #1
      abdominal sepsis evidence #1
      applicability improvement potential #1
      making relaparotomy #1
      physicians predictive tests #1
      checks procedure #1
      topic tomography life #1
      patients abdominal pain #1
      700 admissions cent #1
      ongoing infection #1
      surgery clinical studies #1
      high‐output enterostomies #1
      consecutive patients cawr #1
      excessive visceral edema #1
      tcs wound closure #1
      prophylaxis 60 #1
      fhs cawr #1
      clinical scoring models #1
      life conservative management #1
      stones postoperative complications #1
      postoperative surpass ssc #1
      ssi awd #1
      output reduction patients #1
      ayi patients #1
      implementation interval #1
      tac npwt #1
      appendicitis based #1
      microbiota diverticulitis #1
      strategy cholecystectomy #1
      direct contact infection #1
      netherlands peritonitis #1
      condition pancreas #1
      surgery pharmacy pades #1
      indicators pharmaceutical #1
      neutralizing endotoxins #1
      ongoing abdominal infection #1
      incision antibiotic prophylaxis #1
      checklist humans #1
      transverse colon participants #1


      Prominent publications by Marja A Boermeester

      KOL-Index: 18833

      BACKGROUND: Five to 22 % of the adult Western population has gallstones. Among them, 13 to 22 % become symptomatic during their lifetime. Cholecystectomy is the preferred treatment for symptomatic cholecystolithiasis. Remarkably, cholecystectomy provides symptom relief in only 60-70 % of patients. The objective of this trial is to compare the effectiveness of usual (operative) care with a restrictive strategy using a standardized work-up with stepwise selection for cholecystectomy in ...

      Known for Restrictive Strategy | Cholecystectomy Patients | Secure Trial | Stepwise Selection | Effectiveness Usual
      KOL-Index: 15934

      BACKGROUND: Case series suggest that laparoscopic peritoneal lavage might be a promising alternative to sigmoidectomy in patients with perforated diverticulitis. We aimed to assess the superiority of laparoscopic lavage compared with sigmoidectomy in patients with purulent perforated diverticulitis, with respect to overall long-term morbidity and mortality.

      METHODS: We did a multicentre, parallel-group, randomised, open-label trial in 34 teaching hospitals and eight academic hospitals in ...

      Known for Perforated Diverticulitis | Purulent Peritonitis | Laparoscopic Peritoneal Lavage | Patients Sigmoidectomy | Ladies Trial
      KOL-Index: 15264

      BACKGROUND: Infectious complications and associated mortality are a major concern in acute pancreatitis. Enteral administration of probiotics could prevent infectious complications, but convincing evidence is scarce. Our aim was to assess the effects of probiotic prophylaxis in patients with predicted severe acute pancreatitis.

      METHODS: In this multicentre randomised, double-blind, placebo-controlled trial, 298 patients with predicted severe acute pancreatitis (Acute Physiology and ...

      Known for Probiotic Prophylaxis | Acute Pancreatitis | Infectious Complications | Predicted Severe | Controlled Trial
      KOL-Index: 15073

      BACKGROUND: Endoscopy and surgery are the treatment modalities of choice in patients with obstructive chronic pancreatitis. Physicians face the decision between endoscopy and surgery for this group of patients, without clear consensus.

      OBJECTIVES: To assess and compare the effectiveness and complications of surgical and endoscopic interventions in the management of pain for obstructive chronic pancreatitis.

      SEARCH METHODS: We searched The Cochrane Library, MEDLINE, EMBASE and the ...

      Known for Surgical Intervention | Obstructive Chronic | Pancreatic Function | Pain Relief | Conservative Treatment
      KOL-Index: 14860

      BACKGROUND: Reduced intake and absorption of antioxidants due to pain and malabsorption are probable causes of the lower levels of antioxidants observed in patients with chronic pancreatitis (CP). Improving the status of antioxidants might be effective in slowing the disease process and reducing pain in CP.

      OBJECTIVES: To assess the benefits and harms of antioxidants for the treatment of pain in patients with CP.

      SEARCH METHODS: We searched the Cochrane Central Register of Controlled ...

      Known for Chronic Pancreatitis | Antioxidants Pain | Quality Life | Included Trials | Review Authors
      KOL-Index: 14552

      BACKGROUND: In patients with mild gallstone pancreatitis, cholecystectomy during the same hospital admission might reduce the risk of recurrent gallstone-related complications, compared with the more commonly used strategy of interval cholecystectomy. However, evidence to support same-admission cholecystectomy is poor, and concerns exist about an increased risk of cholecystectomy-related complications with this approach. In this study, we aimed to compare same-admission and interval ...

      Known for Interval Cholecystectomy | Mild Gallstone Pancreatitis | Controlled Trial | Primary Endpoint | Patients Admission
      KOL-Index: 13617

      BACKGROUND: Patients with recurrent or persisting complaints after an episode of left-sided diverticulitis are managed with either conservative measures or elective sigmoidectomy. To date, there are no data from randomised trials. We aimed to establish which treatment leads to a better quality of life for patients with diverticulitis.

      METHODS: We did an open-label, multicentre, randomised controlled trial (DIRECT trial) in 24 teaching and two academic hospitals in the Netherlands. ...

      Known for Conservative Management | Direct Trial | Surgical Treatment | Patients Diverticulitis | Quality Life
      KOL-Index: 13550

      BACKGROUND: International guidelines advise laparoscopic cholecystectomy to treat symptomatic, uncomplicated gallstones. Usual care regarding cholecystectomy is associated with practice variation and persistent post-cholecystectomy pain in 10-41% of patients. We aimed to compare the non-inferiority of a restrictive strategy with stepwise selection with usual care to assess (in)efficient use of cholecystectomy.

      METHODS: We did a multicentre, randomised, parallel-arm, non-inferiority study ...

      Known for Restrictive Strategy | Cholecystectomy Patients | Versus Usual | Abdominal Pain | Practice Variation
      KOL-Index: 12731

      BACKGROUND & AIMS: Patients with a first episode of acute pancreatitis can develop recurrent or chronic pancreatitis (CP). However, little is known about the incidence or risk factors for these events.

      METHODS: We performed a cross-sectional study of 669 patients with a first episode of acute pancreatitis admitted to 15 Dutch hospitals from December 2003 through March 2007. We collected information on disease course, outpatient visits, and hospital readmissions, as well as results from ...

      Known for Recurrent Pancreatitis | Patients Episode | 5 Years | Cumulative Risk | Alcoholic Etiology
      KOL-Index: 12584

      PURPOSE: To compare the diagnostic performance of imaging strategies with magnetic resonance (MR) imaging and computed tomographic (CT) imaging in adult patients suspected of having appendicitis.

      MATERIALS AND METHODS: Institutional review board approval was obtained prior to study initiation, and patients gave written informed consent. In a multicenter diagnostic performance study, adults suspected of having appendicitis were prospectively identified in the emergency department. ...

      Known for Imaging Strategies | Diagnostic Performance | Patients Suspected | Sensitivity Specificity | Appendicitis Diagnosis
      KOL-Index: 12495

      CONTEXT: In patients with severe secondary peritonitis, there are 2 surgical treatment strategies following an initial emergency laparotomy: planned relaparotomy and relaparotomy only when the patient's condition demands it ("on-demand"). The on-demand strategy may reduce mortality, morbidity, health care utilization, and costs. However, randomized trials have not been performed.

      OBJECTIVE: To compare patient outcome, health care utilization, and costs of on-demand and planned ...

      Known for Planned Relaparotomy | Severe Peritonitis | Patients Demand | Process Assessment | Mortality Morbidity
      KOL-Index: 12291

      CONTEXT: Most patients with infected necrotizing pancreatitis require necrosectomy. Surgical necrosectomy induces a proinflammatory response and is associated with a high complication rate. Endoscopic transgastric necrosectomy, a form of natural orifice transluminal endoscopic surgery, may reduce the proinflammatory response and reduce complications.

      OBJECTIVE: To compare the proinflammatory response and clinical outcome of endoscopic transgastric and surgical necrosectomy.

      DESIGN, ...

      Known for Surgical Necrosectomy | Endoscopic Transgastric | Infected Necrotizing | Proinflammatory Response | Primary Point
      KOL-Index: 12206

      BACKGROUND: Infected necrotising pancreatitis is a potentially lethal disease and an indication for invasive intervention. The surgical step-up approach is the standard treatment. A promising alternative is the endoscopic step-up approach. We compared both approaches to see whether the endoscopic step-up approach was superior to the surgical step-up approach in terms of clinical and economic outcomes.

      METHODS: In this multicentre, randomised, superiority trial, we recruited adult ...

      Known for Surgical Step | Necrotising Pancreatitis | Endoscopic Approach | Major Complications | Primary Endpoint
      KOL-Index: 12080

      BACKGROUND: For patients with chronic pancreatitis and a dilated pancreatic duct, ductal decompression is recommended. We conducted a randomized trial to compare endoscopic and surgical drainage of the pancreatic duct.

      METHODS: All symptomatic patients with chronic pancreatitis and a distal obstruction of the pancreatic duct but without an inflammatory mass were eligible for the study. We randomly assigned patients to undergo endoscopic transampullary drainage of the pancreatic duct or ...

      Known for Pancreatic Duct | Surgical Drainage | Chronic Sphincterotomy | Patients Endoscopic Treatment | Calculi Cholangiopancreatography

      Key People For Chronic Pancreatitis

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      Marja A Boermeester:Expert Impact

      Concepts for whichMarja A Boermeesterhas direct influence:Chronic pancreatitis,  Acute pancreatitis,  Secondary peritonitis,  Surgical patients,  Restrictive strategy,  Acute appendicitis,  Acute abdominal pain,  Partial hepatectomy.

      Marja A Boermeester:KOL impact

      Concepts related to the work of other authors for whichfor which Marja A Boermeester has influence:Acute pancreatitis,  Patient safety,  Diverticular disease,  Septic shock,  Abdominal pain,  Pancreatic necrosis,  Surgical site infection.



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      Department of Surgery, Amsterdam UMC, location University of Amsterdam, Amsterdam, The Netherlands | Department of Surgery, Free University Hospital, Amsterdam, The Netherlands (Boermeester) | Department of Surgery, Amsterdam Gastroenterology and Met

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