• O V Kulikova, R P Myasnikov, E A Mershina, P S Pilus, S N Koretskiy, A N Meshkov, A V Kiseleva, M S Kharlap, V E Sinitsyn, N A Sdvigova, L A Gandaeva, V I Barskiy, Y V Derevnina, O P Zharova, E N Basargina, S A Boytsov, and O M Drapkina.
• National Medical Research Center for Therapy and Preventive Medicine.
• Terapevt Arkh. 2021 Apr 15; 93 (4): 381-388.

AimTo analyze and demonstrate various phenotypes in patients with familial left ventricular noncompaction (LVNC).Materials And MethodsIn 2013 was created a multicenter registry of LVNC patients. On its basis 30 families with a familial LVNC were selected.Results30 LVNC families were selected from the register. From a total of 115 people (probands and relatives) in 71 (61.7%) LVNC was diagnosed (30 probands and 41 relatives with non-compact myocardial criteria). The most common type of remodeling in patients was the dilated type (DT) (n=30), the isolated LVNC with preserved ejection fraction (EF) was slightly less common (n=23), and the hypertrophic type (GT) was detected in 8 patients. 4 patients were diagnosed with the isolated LVNC with a reduced EF. 3 patients were with a combination of non-compact myocardium with congenital heart disease and with a combination of DT and GT (DT+GT). During the analysis of cases a combination of different phenotypes in the same family was observed. The largest number of families was diagnosed with a combination of DT and the isolated LVNC with preserved EF. The development of cardiovascular complications was associated with DT.ConclusionFamily cases of LVNC had different types of myocardial remodeling and variants of clinical course. In one family a combination of different types of left ventricular remodeling is possible. DT is associated with the most severe clinical manifestations. The clinical picture of the isolated LVNC with preserved EF, is the most favorable, but in rare cases, serious clinical manifestations were observed.

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