Author, year | Group | Participants (n) | F/M (n) | Age (years) | LV diastolic dysfunction (%)† | e′(cm/s)† | E/ e′ ratio† | LV systolic dysfunction (%)† | LV EF (%)† | Long-axis strain (%)† |
---|---|---|---|---|---|---|---|---|---|---|
Diederichsen 201521 | IIM†† Controls | 14 14 | 8/6 8/6 | 59.5 61.0 | 7 0 | 10.5 10.9 | 7.8 6.8 | 15 0 | 69 65 | NA |
Diederichsen 201518 | PM/DM Controls | 76 48 | 49/27 32/16 | 60.0 59.4 | 63* 27 | 10.0* 11.0 | 8* ∼ 7 ∼ | 8 2 | 65 65 | NA |
Lu, 201315 | PM/DM‡ Controls | 46 21 | 31/15 11/10 | 31.1 35.0 | 48 NA | 10.5* 12.7 | 8.3* 6.8 | NA | 64.2 64.7 | NA |
Schwartz 2011+201416 17 | JDM Controls | 59 59 | 36/23 36/23 | 21.5∼ 21.6∼ | 22* 0 | 11.3* 12.4 | 8.0* 7.1 | Yes§ | 63.2 62.5 | 16.6* 17.7 |
Wang 201357 | PM‡ Controls | 71 71 | 56/15 56/15 | 46.9 46.2 | 59.2 NA | 7.5* 9.1 | 10.4* 8.7 | 0 0 | 67.7 67.1 | NA |
Wang, 201414 | DM‡ Controls | 51 51 | 43/8 43/8 | 44.1 44.4 | 76.5* 52.9 | 7.8* 9.3 | 9.9* 8.7 | 0 0 | 66.5 68.2 | NA |
Values are mean unless marked with ∼=median.
*p<0.05.
†Values are mean unless marked with ∼=median.
‡Patients without hypertension, diabetes and cardiovascular heart disease.
###Newly diagnosed untreated patients without hypertension, diabetes and cardiovascular heart disease.
§Frequency of systolic dysfunction not presented.
††Newly diagnosed untreated patients.
DM, dermatomyositis; e′, early diastolic tissue velocity; E, early diastolic transmitral flow; NA, not available; EF, ejection fraction; F/M, female/male; IIM, idiopathic inflammatory myopathy; JDM, juvenile dermatomyositis; LV, left ventricular; PM, polymyositis.