Thomas Groot-Wassink

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AIM To compare the effect of an initial early computed tomography (CT) examination versus standard practice (SP) on the length of hospital stay, diagnostic accuracy, and mortality of adults presenting with acute abdominal pain. MATERIALS AND METHODS Two hundred and five adults presenting with acute abdominal pain were randomized to undergo an early CT(More)
BACKGROUND Hospital Episode Statistics (HES) data are used to measure surgical outcomes, but its quality has been considered inferior to that of clinical databases. We compare the recording accuracy of HES, an administrative database used in the National Health Service (NHS), with that of ACS NSQIP (American College of Surgeons National Surgical Quality(More)
AIM A large, prospectively collected, clinical database was analysed to determine the various pre- and intra-operative factors affecting anastomotic leakage (AL) in colorectal surgery. METHOD Data on 17 518 patients having a colorectal resection with anastomosis, taken from the 2013 American College of Surgeons National Surgical Quality Improvement(More)
BACKGROUND To evaluate the value of early computed tomography (CT) on identifying clinically "unexpected" diagnosis in patients presenting with "non specific" acute abdominal pain. MATERIALS AND METHODS All patients presenting to on-call surgeons with acute abdominal pain were eligible study participants. Patients were randomised to CT within one hour of(More)
Embryologically, the urachus represents the obliterated alantois in the form of a fibrous cord extending from the dome of the bladder to the umbilicus. Incomplete obliteration can result in the formation of an umbilical sinus, fistula, cyst, or abscess in the infraumbilical area. The traditional treatment of a residual urachus is surgical resection of the(More)
Introduction. Intussusception is a rare cause of bowel obstruction in adults and is usually associated with an underlying pathology, benign, or malignant. This is a report of a case of jejunojejunal intussusception secondary to non-Hodgkin's B-cell lymphoma in an adult patient. Case Presentation. A 74-year-old male with no previous significant medical(More)
OBJECTIVE The study aimed to evaluate the total effective and organ absorbed radiation doses associated with three- and four-phase parathyroid computed tomography (CT) and sestamibi scans used for the preoperative localisation of parathyroid adenomas in a cohort of patients with primary hyperparathyroidism at a single institution. We aimed to assess the(More)
Synthetic LH/RH Gonadorelin, produced by VEB Berlin-Chemie, was given to 11 women with a normal menstrual cycle during the middle of the follicle phase. It was proved as a very effective drug, which provoked a typical gonadotropin release. Also 10 patients with a secondary amenorrhea responded already to the first intravenous injection of 80 micrograms(More)
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