Blar i forfatter "Mannsverk, Jan"

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    • Direct angiography demonstrates equal 8-12 years patency rates of radial artery and saphenous vein grafts 

      Bahar, Ramez; Dahl-Eriksen, Øystein; Busund, Rolf; Dahl, Per Erling; Hermansen, Stig Eggen; Iqbal, Amjid; Mannsverk, Jan; Myrmel, Truls; Steigen, Terje; Trovik, Thor; Sørlie, Dag Glen; Bartnes, Kristian (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-06-30)
      Objectives: The benefits of coronary artery bypass surgery depend on lasting graft patency. To aid rational graft selection, the relative long-term merits of radial artery and saphenous vein grafts need to be determined by a gold standard method and with minimal clinically driven selection bias. Methods: The patency rates of various conduits were determined by direct angiography in 76 patients from ...

    • Pre-test characteristics of unstable angina patients with obstructive coronary artery disease confirmed by coronary angiography 

      Fladseth, Kristina; Kristensen, Andreas; Mannsverk, Jan; Trovik, Thor; Schirmer, Henrik (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-11-01)
      <p><i>Objective</i>: Patients referred for acute coronary angiography (CAG) with unstable angina (UA) have low mortality and low rate of obstructive coronary artery disease (CAD). Better pre-test selection criteria are warranted. We aimed to assess the current guidelines against other clinical variables as predictors of obstructive CAD in patients with UA referred for acute CAG.</p> <p><i>Methods</i>: ...

    • Validating Acute Myocardial Infarction Diagnoses in National Health Registers for Use as Endpoint in Research: The Tromsø Study 

      Varmdal, Torunn; Mathiesen, Ellisiv B.; Wilsgaard, Tom; Njølstad, Inger; Nyrnes, Audhild; Grimsgaard, Sameline; Bønaa, Kaare Harald; Mannsverk, Jan; Løchen, Maja-Lisa (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-08-03)
      <i>Purpose</i>: To assess whether acute myocardial infarction (MI) diagnoses in national health registers are sufficiently correct and complete to replace manual collection of endpoint data for a population-based, epidemiological study.<br><br> <i>Patients and Methods</i>: Using the Tromsø Study Cardiovascular Disease Register for 2013– 2014 as gold standard, we calculated correctness (defined ...