Publications by authors named "Niels Koopmans"

Background: An uncommon cause of reflex syncope is carotid sinus syndrome (CSS). In rare cases, this can be caused by compression of the carotid sinus by a progressive or invasive tumour.

Case Summary: A 57-year-old female was presented at the emergency department with recurrent syncope in the morning.

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Purpose: Patients with reduced muscle mass have a worse outcome, but muscle mass is difficult to quantify in the ICU. Urinary creatinine excretion (UCE) reflects muscle mass, but has not been studied in critically ill patients. We evaluated the relation of baseline UCE with short-term and long-term mortality in patients admitted to our ICU.

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A 43-year-old man presented at the emergency room with continuous right lower quadrant abdominal pain. The pain started the previous day. Physical and laboratory examination indicated acute appendicitis.

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A 2-year-old male is described who presented with fever, fixed flexion deformity of the right hip and a tender mass in the right iliac fossa. A clinical diagnosis of psoas abscess was made. Abdominal ultrasound was suggestive of an echogenic retroperitoneal cyst but could not accurately determine the nature of the cyst.

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