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Area of ischemia as...
Area of ischemia assessed by physicians and software packages from myocardial perfusion scintigrams
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- Edenbrandt, Lars (författare)
- Lund University,Lunds universitet,Nuklearmedicin, Malmö,Forskargrupper vid Lunds universitet,Nuclear medicine, Malmö,Lund University Research Groups,Lund University, Sweden Sahlgrens University Hospital, Sweden EXINI Diagnost AB, Sweden
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- Höglund, Peter (författare)
- Lund University,Lunds universitet,Avdelningen för klinisk kemi och farmakologi,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Clinical Chemistry and Pharmacology,Department of Laboratory Medicine,Faculty of Medicine,Skåne University Hospital, Sweden
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- Frantz, Sophia (författare)
- Lund University,Lunds universitet,Klinisk fysiologi och nuklearmedicin, Malmö,Forskargrupper vid Lunds universitet,Clinical Physiology and Nuclear Medicine, Malmö,Lund University Research Groups,Lund University, Sweden
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- Hasbak, Philip (författare)
- Rigshosp, Denmark
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- Johansen, Allan (författare)
- Odense University Hospital, Denmark
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- Johansson, Lena (författare)
- Sahlgrens University Hospital, Sweden
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- Kammeier, Annett (författare)
- Ruhr University of Bochum, Germany
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- Lindner, Oliver (författare)
- Ruhr University of Bochum, Germany
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- Lomsky, Milan (författare)
- Sahlgrens University Hospital, Sweden
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- Matsuo, Shinro (författare)
- Kanazawa University, Japan
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- Nakajima, Kenichi (författare)
- Kanazawa University, Japan
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- Nystrom, Karin (författare)
- EXINI Diagnost AB, Sweden
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- Olsson, Eva (författare)
- Östergötlands Läns Landsting,Linköpings universitet,Avdelningen för kardiovaskulär medicin,Hälsouniversitetet,Fysiologiska kliniken US
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- Sjostrand, Karl (författare)
- EXINI Diagnost AB, Sweden
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- Svensson, Sven-Eric (författare)
- Blekingesjukhuset, Sweden
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- Wakabayashi, Hiroshi (författare)
- Kanazawa University, Japan
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- Trägårdh, Elin (författare)
- Lund University,Lunds universitet,Klinisk fysiologi och nuklearmedicin, Malmö,Forskargrupper vid Lunds universitet,Clinical Physiology and Nuclear Medicine, Malmö,Lund University Research Groups,Lund University, Sweden
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(creator_code:org_t)
- 2014-01-31
- 2014
- Engelska.
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Ingår i: BMC Medical Imaging. - : BioMed Central. - 1471-2342. ; 14:5
- Relaterad länk:
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https://liu.diva-por... (primary) (Raw object)
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https://bmcmedimagin...
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https://portal.resea... (primary) (free)
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http://www.ncbi.nlm....
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http://dx.doi.org/10... (free)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://lup.lub.lu.s...
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Abstract
Ämnesord
Stäng
- Background: The European Society of Cardiology recommends that patients with greater than 10% area of ischemia should receive revascularization. We investigated inter-observer variability for the extent of ischemic defects reported by different physicians and by different software tools, and if inter-observer variability was reduced when the physicians were provided with a computerized suggestion of the defects. Methods: Twenty-five myocardial perfusion single photon emission computed tomography (SPECT) patients who were regarded as ischemic according to the final report were included. Eleven physicians in nuclear medicine delineated the extent of the ischemic defects. After at least two weeks, they delineated the defects again, and were this time provided a suggestion of the defect delineation by EXINI Heart(TM) (EXINI). Summed difference scores and ischemic extent values were obtained from four software programs. Results: The median extent values obtained from the 11 physicians varied between 8% and 34%, and between 9% and 16% for the software programs. For all 25 patients, mean extent obtained from EXINI was 17.0% (+/- standard deviation (SD) 14.6%). Mean extent for physicians was 22.6% (+/- 15.6%) for the first delineation and 19.1% (+/- 14.9%) for the evaluation where they were provided computerized suggestion. Intra-class correlation (ICC) increased from 0.56 (95% confidence interval (CI) 0.41-0.72) to 0.81 (95% CI 0.71-0.90) between the first and the second delineation, and SD between physicians were 7.8 (first) and 5.9 (second delineation). Conclusions: There was large variability in the estimated ischemic defect size obtained both from different physicians and from different software packages. When the physicians were provided with a suggested delineation, the inter-observer variability decreased significantly.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Radiologi och bildbehandling (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Radiology, Nuclear Medicine and Medical Imaging (hsv//eng)
Nyckelord
- Ischemic heart disease; Myocardial perfusion imaging; Intra-observer variability; Software tools
- MEDICINE
- MEDICIN
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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Till lärosätets databas
- Av författaren/redakt...
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Edenbrandt, Lars
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Höglund, Peter
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Frantz, Sophia
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Hasbak, Philip
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Johansen, Allan
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Johansson, Lena
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visa fler...
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Kammeier, Annett
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Lindner, Oliver
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Lomsky, Milan
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Matsuo, Shinro
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Nakajima, Kenich ...
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Nystrom, Karin
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Olsson, Eva
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Sjostrand, Karl
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Svensson, Sven-E ...
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Wakabayashi, Hir ...
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Trägårdh, Elin
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visa färre...
- Om ämnet
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- MEDICIN OCH HÄLSOVETENSKAP
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MEDICIN OCH HÄLS ...
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och Klinisk medicin
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- MEDICIN OCH HÄLSOVETENSKAP
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MEDICIN OCH HÄLS ...
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och Klinisk medicin
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och Radiologi och bi ...
- Artiklar i publikationen
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BMC Medical Imag ...
- Av lärosätet
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Linköpings universitet
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Lunds universitet