Table 2.
Main characteristics of patients among trials included in the study.
| Study, Year | Arms | No. | Age | Male | QRS | NYHA | Ischemic | Mean | Mean |
|---|---|---|---|---|---|---|---|---|---|
| Year | (%) | Duration (ms) |
Functional Class |
Etiology (%) |
Change of LA Strain % |
Change of LA EF % |
|||
| Yo et al. 2007 | R | 62 | 66 ± 11 * | 75 * | 142 ± 28 | 3.0 ± 0.5 | NR | −5.1 | −14 |
| Non-R | 45 | 154 ± 31 | 3.0 ± 0.4 | NR | −2.7 | −5.2 | |||
| Marsan et al. 2008 | R | 34 | 65 ± 7 | 78 | 142 ± 28 | 3.0 ± 0.5 | NR | −6 | −5.0 |
| Non-R | 17 | 67 ± 10 | 70 | 154 ± 31 | 3.0 ± 0.4 | NR | 0 | 0 | |
| Donal et al. 2009 | R | 23 | 67 ± 10.4 * | 76 * | NR | 3.2 ± 0.6 * | NR | −12.1 | NR |
| Non-R | 23 | 1.4 | NR | ||||||
| Feneon et al. 2015 | R | 54 | 62.3 ± 10 | 63 | 163 ± 27 | N−II = 24% | 18.6 | NR | NR |
| Non-R | 25 | 66.5 ± 10 | 80 | 158 ± 30 | N−II = 22% | 60 | NR | NR | |
| Valzania et al. 2016 | R | 18 | 61 ± 13 | 63 | 160 ± 24 | 2.9 ± 0.2 | 20 | −5.5 | −72 |
| Non-R | 12 | 67 ± 8 | 50 | 159 ± 23 | 3.1 ± 0.3 | 50 | 4.5 | NR | |
| Badran et al. 2017 | R | 24 | 56 ± 9.8 | 71 | NR | N−IV = 33% | 29 | −4.2 | −35.2 |
| Non-R | 13 | 53 ± 9.5 | 69 | NR | N−IV = 46% | 23 | 2.87 | −0.3 | |
| Hansen et al. 2017 | R | 114 | 69.4 ± 9 * | 80 * | 166.2 ± 23.0 * | N−IV = 3% * | 50 * | −4.4 | −5.0 |
| Non-R | 24 | −2 | NR |
R (respond), Non-R (non-respond), LVESV (left ventricle endsystolic volume), LVEF (left ventricle ejection fraction), NR (non-reported) and * only whole group represented. Mean change of LVESV. LVEF was represented only in CRT responders.