Table 1

Clinical characteristics and study results for patients harbouring the 3460, 114480, and 11778 mtDNA mutations

EchocardiographyECG
PatientAge/ sexMtDNA mutationCardiac symptomsLA (mm)EDD (mm)ESD (mm)MLVWT (mm)PATTWILVHST abnl
ASH, asymmetrical septal hypertrophy; CON, concentric hypertrophy; LVH, left ventricular hypertrophy; DI, distal hypertrophy; EDD, end diastolic diameter; ESD, end systolic diameter; MLVWT, maximal left ventricular wall thickness; LA, left atrium; PAT, pattern of left ventricular hypertrophy; ST abnl, ST segment abnormality; TWI, T wave inversion.
162/F346036462216ASH+++
253/M346042352228CON+++
353/M3460Syncope, angina, dyspnoea39301926CON+++
458/F3460Syncope, angina, dyspnoea, palpitations38362315CON+++
538/M3460Dyspnoea, palpitations25533217DIS+++
636/F346031422410++
733/F34603046309
824/M346038482911
931/M346038473910
1034/F346031442910+
1132/M346039503211+
1242/M11778Dyspnoea, palpitations34482712++
1344/M11778Post-micturition syncope27472911+++
1454/M11778Post-micturition syncope38483011+
1527/M1177832472910
1648/F11778Palpitations21442510
1757/M1177836462610
1842/M1177834512910++
1932/F117783045299+
2051/M14484Palpitations40593610++
2163/M1448433462110
2256/M144844245309
2340/M14484Nil37452512
2467/M14484Nil3045267