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Sökning: WFRF:(Swahn Eva) > Linnéuniversitetet

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  • Panayi, Georgios, et al. (författare)
  • Computed tomography coronary angiography in patients with acute myocardial infarction and normal invasive coronary angiography
  • 2016
  • Ingår i: BMC Cardiovascular Disorders. - : Springer Science and Business Media LLC. - 1471-2261 .- 1471-2261. ; 16
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Three to five percent of patients with acute myocardial infarction (AMI) have normal coronary arteries on invasive coronary angiography (ICA). The aim of this study was to assess the presence and characteristics of atherosclerotic plaques on computed tomography coronary angiography (CTCA) and describe the clinical characteristics of this group of patients. Methods: This was a multicentre, prospective, descriptive study on CTCA evaluation in thirty patients fulfilling criteria for AMI and without visible coronary plaques on ICA. CTCA evaluation was performed head to head in consensus by two experienced observers blinded to baseline patient characteristics and ICA results. Analysis of plaque characteristics and plaque effect on the arterial lumen was performed. Coronary segments were visually scored for the presence of plaque. Seventeen segments were differentiated, according to a modified American Heart Association classification. Echocardiography performed according to routine during the initial hospitalisation was retrieved for analysis of wall motion abnormalities and left ventricular systolic function in most patients. Results: Twenty-five patients presented with non ST-elevation myocardial infarction (NSTEMI) and five with ST-elevation myocardial infarction (STEMI). Mean age was 60.2 years and 23/30 were women. The prevalence of risk factors of coronary artery disease (CAD) was low. In total, 452 coronary segments were analysed. Eighty percent (24/30) had completely normal coronary arteries and twenty percent (6/30) had coronary atherosclerosis on CTCA. In patients with atherosclerotic plaques, the median number of segments with plaque per patient was one. Echocardiography was normal in 4/22 patients based on normal global longitudinal strain (GLS) and normal wall motion score index (WMSI); 4/22 patients had normal GLS with pathological WMSI; 3/22 patients had pathological GLS and normal WMSI; 11/22 patients had pathological GLS and WMSI and among them we could identify 5 patients with a Takotsubo pattern on echo. Conclusions: Despite a diagnosis of AMI, 80 % of patients with normal ICA showed no coronary plaques on CTCA. The remaining 20 % had only minimal non-obstructive atherosclerosis. Patients fulfilling clinical criteria for AMI but with completely normal ICA need further evaluation, suggestively with magnetic resonance imaging (MRI).
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  • Rönning, Helén, et al. (författare)
  • Development and psychometric evaluation of the knowledge scale for adults with congenitally malformed hearts
  • 2013
  • Ingår i: Journal of Cardiovascular Nursing. - : Ovid Technologies (Wolters Kluwer Health). - 0889-4655 .- 1550-5049. ; 28:3, s. 228-237
  • Tidskriftsartikel (refereegranskat)abstract
    • Background and Research Objective: Adults with congenitally malformed hearts have knowledge gaps regarding their heart condition, and their level of knowledge is not routinely assessed during follow-up. One reason for this is that there are few validated, user-friendly questionnaires to assess knowledge about congenital heart disease and its effects on daily life. Failure to identify low levels of knowledge could lead to less motivated and insecure individuals not actively involved in treatment and care of their heart condition. Therefore, the objective of this study was to develop and test a knowledge scale for adults with congenitally malformed hearts.Participants and Methods: The development and psychometric evaluation of the Knowledge Scale for Adults With Congenitally Malformed Hearts (KnoCoMH) followed 2 phases: (1) development and evaluation of the initial version, with face validity and content validity assessed by experts and adults with congenitally malformed hearts, and (2) evaluation and refinement of the KnoCoMH in adults with congenitally malformed hearts, including item difficulty level, internal consistency, and test-retest reliability.Results: The development and evaluation of a knowledge scale for adults with congenitally malformed hearts resulted in the KnoCoMH including 46 items in 4 domains: General Knowledge, with a Kuder-Richardson formula 20 (KR-20) value of 0.68; Medical Treatment, with a KR-20 value of 0.74; Endocarditis Prophylaxis, with a KR-20 value of 0.90; and Contraceptives and Pregnancy, with a KR-20 value of 0.65. Test-retest evaluation showed significant correlations between 0.50 and 0.67 (P < .01) in all 4 domains. There was good variation in item difficulty, with a mean value of 0.56 in General Knowledge, 0.62 in Medical Treatment, 0.33 in Endocarditis Prophylaxis, and 0.48 in Contraceptives and Pregnancy.Conclusions: The KnoCoMH has acceptable psychometric properties for most of the knowledge domains included. It can be used for evaluating knowledge among adults with congenitally malformed hearts and its associations with other outcomes. However, further studies are advisable to test construct validity, predictive validity, and responsiveness.
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