Table 1.
Baseline characteristics in the included studies
| Study | Country | Study design |
Matching parameters |
Study dates |
HCM group (n) |
Mean age in years (HCM) |
% Male (HCM) | AF type (HCM) |
Control group (n) |
Mean age in years (control) |
% Male (control) |
AF type (control) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gaita (2007)11 | Italy | Retrospective cohort | *Age *Sex *AF type |
2002–2005 | 26 | 58 ± 11 | 69% | Paroxysmal: 13 (50%) Persistent: 13 (50%) |
52 | 59 ± 11 (secondary) 58 ± 8 (idiopathic AF) |
67% | Paroxysmal: 26 (50%) Persistent: 26 (50%) |
| McCready (2011)12 | England | Retrospective cohort | 2003–2009 | 14 | Paroxysmal: 0 (0%) Persistent: 14 (100%) |
177 | Paroxysmal: 0 (0%) Persistent: 177 (100%) |
|||||
| Hayashi (2014)13 | Japan | Retrospective cohort | *Age *Sex *AF type *LA dimension |
2006–2012 | 17 | 63 ± 12 | 71% | Paroxysmal: 8 (47%) Persistent: 9 (53%) |
34 | 66 ± 9 | 71% | Paroxysmal: 16 (47%) Persistent: 18 (53%) |
| Müssigbrodt (2014)14 | Germany | Prospective cohort | *LV hypertrophy *Systolic LV function *AF type |
2009–2012 | 22 | 57 ± 8 | 68% | Paroxysmal: 10 (45.5%) Persistent: 12 (54.5%) |
22 | 63 ± 10 | 64% | Paroxysmal: 10 (45.5%) Persistent: 12 (54.5%) |
| Contreras-Valdes (2015)15 | United States | Retrospective cohort | 2006–2012 | 40 | 54 ± 7 | 70% | Paroxysmal: 13 (32.5%) Persistent: 27 (67.5%) |
64 | 56 ± 6 | 70% | Paroxysmal: 49 (29.7%) Persistent: 45 (70.3%) |
|
| Roh (2016)16 | Korea | Retrospective cohort | *Age *Sex *AF type |
2005–2014 | 31 | 57 ± 10 (apical HCM) 57 ± 8 (septal HCM) |
84% | Paroxysmal: 13 (41.9%) Persistent: 18 (58.1%) |
90 | 57 ± 10 | 89% | Paroxysmal: 35 (38.9%) Persistent: 55 (61.1%) |
| Ikenaga (2017)17 | Japan | Retrospective cohort | 2009–2013 | 15 | 62 ± 8 | 80% | Paroxysmal: 9 (60%) Persistent: 6 (40%) |
106 | 61 ± 9 | 77% | Paroxysmal: 68 (64.2%) Persistent: 38 (35.8%) |
|
| Chen (2018)18 | China | Prospective cohort | *Age *AF type *AF duration *LA diameter |
2007–2016 | 97 | 59 ± 11 (apical HCM) 56 ± 11 (non-apical HCM) |
71% | Paroxysmal: 56 (57.7%) Persistent: 41 (42.3%) |
97 | 57 ± 9 | 79% | Paroxysmal: 55 (56.7%) Persistent: 42 (43.3%) |
Empty cells indicate that the respective data were not reported in the specific study.
AF, atrial fibrillation; CTI, cavotricuspid isthmus; LA, left atrial; PV, pulmonary vein; PVI, pulmonary vein isolation; PWI, posterior wall isolation.