Table 5 Summary of studies that Predictive of ECG abnormalities in the prognosis in patients with DMD
From: Electrocardiographic features of children with Duchenne muscular dystrophy
Year | Inclusion criteria | Exclusion criteria | Study type | Sample | Total ECG | Age | Cardiac function | Predict the occurrence of DCM | DCM | Longitudinal Follow-up |
|---|---|---|---|---|---|---|---|---|---|---|
2010 | DMD (2004–2009) | – | Retrospective | 150 | 377 | 10.1–16.9 | Relevant | Predictable | 48% | 63 patients had no DCM and no abnormal ECG, and 18% had abnormal ECG. (5/11) of them had subsequent DCM, and the time from abnormal ECG to DCM was 3.7 ± 2.6 years |
2018 | DMD > 18 | – | Retrospective | 121 | 121 | 18–41 | there is an association between LVEF and LBBB, with significantly lower values of LVEF in patients with LBBB as compared to the others | Not mentioned | Not mentioned | Not mentioned |