Cardiac abnormalities in patients with two different ... - Springer Link
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Cardiac abnormalities in patients with two different ... - Springer Link
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Florian et al. Journal of Cardiovascular Magnetic Resonance 2015, 17(Suppl 1):Q83 http://www.jcmr-online.com/content/17/S1/Q83
WALKING POSTER PRESENTATION
Open Access
Cardiac abnormalities in patients with two different mitochondrial myopathy syndromes as detected by cardiovascular magnetic resonance imaging Anca R Florian1*, Anna Ludwig2, Sabine Rösch2, Udo Sechtem2, Ali Yilmaz1 From 18th Annual SCMR Scientific Sessions Nice, France. 4-7 February 2015 Background Chronic progressive external ophtalmoplegia (CPEO) and Kearns-Sayre syndrome (KSS) belong to the broad heterogeneous group of mitochondrial myopathies (MM) - a group of neuromuscular disorders resulting from primary dysfunction of the mitochondrial chain with impaired cellular energy metabolism. Recently, a potentially characteristic myocardial fibrosis pattern with intramural late gadolinium enhancement (LGE) in the left ventricular (LV) inferolateral wall was documented by cardiovascular magnetic resonance imaging (CMR) in these patients. The present study aimed at characterizing the presence and pattern of cardiac abnormalities in a larger CPEO/KSS patient population by means of CMR. Based on the fact that patients with other MM syndromes may show a concentric LV remodelling/hypertrophy (e.g. mitochondrial encephalopathy with lactic acidosis and stroke-like episodes - MELAS) this aspect was also evaluated. Methods In a prospective study, 33 CPEO/KSS patients (52 ±14yrs, 36% male) underwent neurological and cardiac evaluations including CMR studies comprising cine- and LGE-CMR (1.5-Tesla). Additionally, CMR scans were performed in 25 age-, gender- and cardiac risk factormatched asymptomatic CONTROLS (47±12yrs, 48% male) without known heart disease.
Results In the CPEO/KSS group, 18 (55%) patients had at least one pathological finding based on the CMR results: 8 (24%) patients demonstrated an impaired LV-EF (
