Mirjam A. Kaijser

ORCID: 0000-0003-1243-9603
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About
Contact & Profiles
Research Areas
  • Bariatric Surgery and Outcomes
  • Surgical Simulation and Training
  • Esophageal and GI Pathology
  • Cardiac, Anesthesia and Surgical Outcomes
  • Colorectal Cancer Surgical Treatments
  • Body Contouring and Surgery
  • Gastric Cancer Management and Outcomes
  • Delphi Technique in Research
  • Obesity and Health Practices
  • Anorectal Disease Treatments and Outcomes
  • Hernia repair and management
  • Abdominal Surgery and Complications
  • Clinical Nutrition and Gastroenterology
  • COVID-19 Clinical Research Studies
  • Nutrition and Health in Aging
  • Minimally Invasive Surgical Techniques
  • Primary Care and Health Outcomes
  • Pelvic floor disorders treatments
  • Hospital Admissions and Outcomes
  • Clinical practice guidelines implementation
  • Anatomy and Medical Technology
  • COVID-19 and healthcare impacts
  • Diet and metabolism studies
  • Gastroesophageal reflux and treatments

Medisch Centrum Leeuwarden
2017-2025

University Medical Center Groningen
2017-2024

University of Groningen
2017-2024

Heelkunde Friesland (Netherlands)
2017

Deventer Ziekenhuis
2011

Abstract Background This study aimed to create a comprehensive Core Outcome Set (COS) for assessing the long-term outcome (≥ 5 years) after Metabolic Bariatric Surgery (MBS), through use of Delphi method. Methods The utilized three-phase approach. In Phase 1, long list items was identified literature review and expert input, forming basis an online survey. 2, Dutch healthcare professionals involved in MBS care, defined as having at least 1 year experience routine follow-up or managing issues...

10.1007/s11695-024-07587-6 article EN cc-by Obesity Surgery 2025-01-18

Bariatric procedures are technically complex and skill demanding. In order to standardize the for research training, a Delphi analysis was performed reach consensus on practice of laparoscopic gastric bypass sleeve gastrectomy in Netherlands. After pre-round identifying all possible steps from literature expert opinion within our study group, questionnaires were send 68 registered Dutch bariatric surgeons, with 73 surgery 51 gastrectomy. Statistical identify without consensus. This process...

10.1007/s11695-018-3219-7 article EN cc-by Obesity Surgery 2018-04-09

One anastomosis gastric bypass (OAGB) is an effective and safe treatment for morbidly obese patients. Longer biliopancreatic (BP) limb length suggested to result in better weight loss outcomes, but date, no data are available the OAGB substantiate this. We hypothesized that applying a longer BP-limb higher BMI classes would more reduction so attained be comparable patients with lower BMI, thereby compensating differences baseline BMI.A retrospective cohort study who underwent primary at...

10.1007/s11695-021-05555-y article EN cc-by Obesity Surgery 2021-07-20

Tailoring the biliopancreatic limb length in one anastomosis gastric bypass is proposed as beneficial retrospective studies, yet randomized trials are lacking. The aim of this double-blind, single-centre RCT was to ascertain whether tailoring based on total small bowel (TSBL) results superior outcomes after compared with a fixed 150 cm length.

10.1093/bjs/znae219 article EN cc-by British journal of surgery 2024-08-22

Abstract Background The one anastomosis gastric bypass (OAGB) is being performed by an increasing number of bariatric centers over the world. However, optimal length biliopancreatic (BP) limb remains a topic discussion. Retrospective studies suggest benefit tailoring BP-limb length; however, randomized trials are lacking. aim this study to investigate whether based on total small bowel (TSBL) leads better results in terms weight loss, vitamin deficiencies, and movements compared fixed...

10.1186/s13063-022-06456-w article EN cc-by Trials 2022-06-22

Abstract Introduction Tailoring limb length in bariatric surgery is a subject of many studies. To acquire the optimal length, accurate measurement small bowel essential. Objective assess intra- and inter-individual variability laparoscopic using hand-over-hand technique with marked graspers. Method Four surgeons four surgical residents performed measurements on cadaver porcine intestine box Each participant 10 times three different lengths: 150, 180, 210 cm. Acceptable percentage deviation...

10.1007/s11695-022-05918-z article EN cc-by Obesity Surgery 2022-02-24

Surgical procedures for morbid obesity, including laparoscopic Roux-en-Y gastric bypass (LRYGB), are considered standardized procedures. Our goal was to determine how bariatric surgery is trained in the Netherlands.Questionnaires were sent lead surgeons from all 19 centers Netherlands. At least two residents or fellows surveyed each center. Dutch required collect at 20 electronic Objective Standard Assessment of Technical Skills (OSATS) observations per year, which include level supervision...

10.1007/s11695-017-2729-z article EN cc-by Obesity Surgery 2017-05-30

Inflammatory bowel disease, vascular volvulus, adhesions, or abdominal trauma may necessitate extensive small-bowel resection resulting in an ultra-short distal duodenal jejunal stump. If this short stump is too for stoma creation and continuity restoration hazardous not possible at all, a duodenogastrostomy proximal jejunogastrostomy combination with drainage of the stomach option to prevent leakage. Although successful, has been described only very few patients older records. We...

10.1007/s11605-017-3654-0 article EN cc-by Journal of Gastrointestinal Surgery 2017-12-22

Abstract Purpose Feedback on technical and procedural skills is essential during the training of residents fellows. The aim this study was to assess performance a newly created instrument for assessment operative using laparoscopic Roux-en-Y gastric bypass (LRYGB) video fragments. Materials Methods A new procedure-based (PBA) by combining LRYGB key steps with 5-point independence scale. performed surgeons different levels expertise were recorded. Fragments pouch creation, gastro-jejunostomy...

10.1007/s11695-023-07020-4 article EN cc-by Obesity Surgery 2024-02-24

Introduction Determining limb length in gastric bypass procedures is a crucial step to ensure significant weight loss without risking malnutrition. This study investigated the effect of ex vivo training on skills needed determine lengths. Materials and Methods was single-center experiment teaching hospital Netherlands. We designed exercise with marked ropes laparoscopic trainer box. All ten surgical residents participated practiced skill estimating length. Before after two-week period their...

10.1177/15533506241244854 article EN cc-by-nc Surgical Innovation 2024-04-16

<title>Abstract</title> Objective This study investigates preoperative patient expectations related to metabolic bariatric surgery (MBS), focusing on anticipated challenges and effects physical, social, psychological domains. Methods We performed a prospective, cross-sectional multicenter survey in adult patients awaiting primary MBS. The questionnaire gathered data 1) the top three reasons for seeking surgery, 2) weight loss, 3) expected remission of co-morbidities. Patients also rated...

10.21203/rs.3.rs-4604151/v1 preprint EN cc-by Research Square (Research Square) 2024-08-01
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