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Knowledge-based 3D reconstruction of the right ventricle: comparison with cardiac magnetic resonance in adults with congenital heart disease
Linköping University, Department of Medical and Health Sciences, Division of Cardiovascular Medicine. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Heart and Medicine Center, Department of Cardiology in Linköping.
Ahmazon Center of Adult Congenital Heart Disease.
Ahmazon Center of Adult Congenital Heart Disease.
Linköping University, Department of Medical and Health Sciences, Division of Cardiovascular Medicine. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Heart and Medicine Center, Department of Cardiology in Linköping.
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2015 (English)In: Echo research and practice, ISSN 2055-0464, Vol. 2, no 4, 109-116 p.Article in journal (Refereed) Published
Abstract [en]

AIM: Assessment of right ventricular (RV) function is a challenge, especially in patients with congenital heart disease (CHD). The aim of the present study is to assess whether knowledge-based RV reconstruction, used in the everyday practice of an echo-lab for adult CHD in a tertiary referral center, is accurate when compared to cardiac magnetic resonance (CMR) examination.

SUBJECTS AND METHODS: Adult patients who would undergo CMR for assessment of the RV were asked to undergo an echo of the heart for further knowledge-based reconstruction (KBR). Echocardiographic images were acquired in standard views using a predefined imaging protocol. RV volumes and ejection fraction (EF) calculated using knowledge-based technology were compared with the CMR data of the same patient.

RESULTS: Nineteen consecutive patients with congenital right heart disease were studied. Median age of the patients was 28 years (range 46 years). Reconstruction was possible in 16 out of 19 patients (85%). RV volumes assessed with this new method were smaller than with CMR. Indexed end diastolic volumes were 114±17 ml vs 121±19 ml, P<0.05 and EFs were 45±8% vs 47±9%, P<0.05 respectively. The correlation between the methods was good with an intraclass correlation of 0.84 for EDV and 0.89 for EF, P value <0.001 in both cases.

CONCLUSION: KBR enables reliable measurement of RVs in patients with CHDs and can be used in clinical practice for analysis of volumes and EFs.

Place, publisher, year, edition, pages
2015. Vol. 2, no 4, 109-116 p.
Keyword [en]
congenital heart disease; knowledge-based reconstruction; right ventricle volume; ventripoint system
National Category
Cardiac and Cardiovascular Systems
Identifiers
URN: urn:nbn:se:liu:diva-124289DOI: 10.1530/ERP-15-0029PubMedID: 26796613OAI: oai:DiVA.org:liu-124289DiVA: diva2:897448
Available from: 2016-01-25 Created: 2016-01-25 Last updated: 2016-04-12

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Trzebiatowska-Krzynska, AleksandraWallby, LarsSwahn, Eva

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Trzebiatowska-Krzynska, AleksandraWallby, LarsSwahn, Eva
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Division of Cardiovascular MedicineFaculty of Medicine and Health SciencesDepartment of Cardiology in Linköping
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CiteExportLink to record
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