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Effect on left ventricular mass and geometry in patients with takotsubo cardiomyopathy
Örebro universitet, Institutionen för hälsovetenskap och medicin.ORCID-id: 0000-0002-4262-6373
Örebro universitet, Institutionen för hälsovetenskap och medicin.ORCID-id: 0000-0002-1346-1450
Department of Radiology, School of Health and Medical Sciences, Örebro University, Örebro, Sweden .
Örebro universitet, Institutionen för hälsovetenskap och medicin.
2015 (Engelska)Ingår i: Scandinavian Cardiovascular Journal, ISSN 1401-7431, E-ISSN 1651-2006, Vol. 49, nr 1, s. 27-38Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Objectives: Takotsubo cardiomyopathy (TTC) is a condition of transient left ventricular (LV) dysfunction. The effects on LV mass (LVM) and geometry have not been studied enough in TTC. Retrospectively, we analyzed our TTC cohort both by transthoracic echocardiography (TTE) and magnetic resonance imaging (MRI), for comparative purposes.

Design: Thirteen women undergoing TTE and MRI, at onset and three months later, were included. LVM was estimated by MRI, and two TTE-methods. Segmental wall thickness (SWT) was measured, whilst radial strain was assessed by TTE. Data analysis included Wilcoxon's test (between phases), Mann Whitney U- and McNemar's tests (between and within groups). Bland-Altman analyzes were used for intertechnique coherence, whilst interactions regarding TTE were tested using Spearman's coefficient.

Results: LVM decreased during recovery (p<0.05), by MRI and one of the TTE-methods; truncated ellipsoid formula (TEF), which also showed relatively better coherence compared to MRI. SWT decreased in two of three sites, by both modalities, but with ambiguous coherence therebetween. The TEF-data interacted partially with a demonstrated increase in radial strain.

Conclusions: TTC associates with acute increase in LVM, which appears to be an apical effect, tending to follow the changes in concentric wall motion. MRI and TTE show adequate coherence; primarily for the TEF-method regarding LVM.

Ort, förlag, år, upplaga, sidor
2015. Vol. 49, nr 1, s. 27-38
Nyckelord [en]
Apical ballooning syndrome; Concentric wall motion; Left ventricular morphology; Stress-induced cardiomyopathy; Two-dimensional echocardiography
Nationell ämneskategori
Kardiologi
Forskningsämne
Kardiologi
Identifikatorer
URN: urn:nbn:se:oru:diva-42600DOI: 10.3109/14017431.2015.1010566ISI: 000350104900005PubMedID: 25614080Scopus ID: 2-s2.0-84923375613OAI: oai:DiVA.org:oru-42600DiVA, id: diva2:787929
Tillgänglig från: 2015-02-12 Skapad: 2015-02-12 Senast uppdaterad: 2019-03-26Bibliografiskt granskad

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Waldenborg, MicaelLidén, MatsEmilsson, Kent

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