Publications by authors named "Gudjon Birgisson"

Objective: The clinical significance of immunohistochemistry (IHC) for unilateral primary aldosteronism (PA) has been unclear. Individualized follow-up of PA patients could be in sight. Long-term outcomes of patients, classified based on IHC, need further investigation.

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Background: Long-term follow-up studies on primary aldosteronism (PA) are lacking.

Objective: We aim to review results of diagnostic procedures and histopathology for patients diagnosed during 2012-2016 in Iceland, compare unilateral (UD) and bilateral disease (BD) and assess treatment response.

Methods: Thirty-two patients aged 28-88 were diagnosed and treated according to guidelines.

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Introduction: Gallstone disease in pregnant patients and their management in Iceland has not been studied. Management of these patients changed after the introduction of laparoscopic cholecystectomy. The aim of this study was to investigate the incidence, symptoms, diagnostic methods and management of gallstone disease during pregnancy at the National University Hospital of Iceland during the years 1990-2010.

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The authors aimed to investigate the clinical characteristics, accuracy of diagnostic tests, and long-term outcomes after interventions in patients diagnosed with primary aldosteronism (PA) in Iceland throughout 5 years. A retrospective chart review was performed for all patients diagnosed with PA during the years 2007-2011 at Landspitali Hospital in Iceland, a referral center for the whole country. Workup after detection included salt loading test, positional test, computed tomography, and adrenal vein sampling.

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Objective: To evaluate the long-term outcome of elective splenectomy, with emphasis on the incidence of complications, vaccine immunization and patient´s knowledge about asplenia.

Material And Methods: Medical reports of all patients, who underwent elective splenectomy during the time period of 1993-2004, were reviewed. Questionnaire was sent to 96% (44/46) patients alive.

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Objective: Non-specific abdominal pain (NSAP) is the most common diagnosis of patients presenting to emergency departments (ED) with abdominal pain. The aim of this retrospective study was to investigate how many NSAP patients were re-admitted within 1 year to the ED with abdominal pain.

Material And Methods: Included were all patients discharged with NSAP from adult EDs of Landspítali University Hospital (gynecology and pediatric EDs excluded), from January 1, 2005 to December 31, 2005.

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Background: Laparoscopic adrenalectomy (LA) was first performed in Iceland in 1997. Since then, all procedures for presumed benign lesions of the adrenals have been performed laparoscopically in a single center. Compared with conventional adrenalectomy, LA appears to achieve superior results in terms of recovery, hospital stay, and morbidity.

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