Table 1.
Demographic Characteristics. On the LEFT, patients are classified in cardioverted vs. non-cardioverted; on the RIGHT patients are classified in MgSO4 infused v.sv. MgSO4 non-infused.
| p-Value | 14 Non-Cardioverted pts (14.4%) | 83 Cardioverted pts (85.6%) | Variables | MgSO4 Infusion (46 pts) |
No MgSO4 Infusion (51 pts) |
p-Value |
|---|---|---|---|---|---|---|
| - | - | - | Cardioverted pts | 42 (91.3%) | 41 (80.4%) | p = 0.98 |
| - | - | 27 (32.5%) | Cardioverted before Flecainide infusion | 18 (39.1%) | 9 (17.6%) | p= 0.018 |
| p = 0.43 | 9 (64.3%) | 44 (53%) | Gender (Male) | 29 (63%) | 24 (47.1%) | p > 0.05 |
| p = 0.59 | 64.7 (±12.1) | 66.5 (±10.9) | Age | 64.4 (±11.9) | 67.9 (±10.1) | p = 0.99 |
| p = 0.51 | 127.6 (±18.6) | 121.9 (±23.9) | HR at arrival (bpm) | 128.5 (±23.8) | 129.1 (±23.2) | p = 0.99 |
| p < 0.01 | 123.1 (±13.8) after 6 h | 75.7 (±12.2) | HR at cardioversion (bpm) | 77.8 (±19.1) | 87 (±21.7) | p= 0.026 |
| p = 0.37 | 2.1 (±0.2) | 2.1 (±0.1) | Mg pre-Mg (mmol/L) | 2.1 (±0.2) | 2.1 (±0.1) | p = 0.87 |
| - | - | 2.8 (±0.3) | Mg post-Mg (mmol/L) | 2.8 (±0.4) | - | |
| p = 0.32 | 4 (±0.4) | 3.9 (±0.4) | K pre-Mg (mmol/L) | 3.9 (±0.4) | 3.9 (±0.4) | p = 0.93 |
| - | - | 4 (±0.5) | K post-Mg (mmol/L) | 4 (±0.5) | - | |
| p < 0.01 | 2573.6 (±2972.4) | 626.6 (±714.4) | NT-proBNP on arrival (pg/mL) | 971 (±1559.7) | 665 (±644) | p = 0.98 |
| p = 0.95 | 5 (35.7%) | 29 (34.9%) | First AF episode | 20 (43.4%) | 14 (27.4%) | p = 0.09 |
| p = 0.65 | 5 (35.7%) | 37 (44.6%) | Paroxysmal AF | 19 (41.3%) | 23 (45.1%) | p = 0.89 |
| p = 0.68 | 1 (7.1%) | 12 (14.5%) | Diuretics drugs | 6 (13%) | 7 (13.7%) | p = 0.92 |
| p = 1 | 0 | 2 (2.4%) | K-sparing diuretics | 2 (4.3%) | 0 | p = 0.22 |
| p = 0.751 | 3 (21.4%) | 25 (30.1%) | Beta Blockers | 16 (34.7%) | 12 (23.5%) | p = 0.22 |
| p = 0.59 | 2 (14.3%) | 8 (9.6%) | Calcium channel blockers | 2 (4.4%) | 8 (15.6%) | p = 0.09 |
| p = 0.83 | 3 (21.4%) | 20 (24.1%) | Flecainide | 8 (17.4%) | 15 (29.4%) | p = 0.16 |
| p = 1 | 0 | 3 (3.6%) | Propafenone | 2 (4.3%) | 1 (1.9%) | p = 0.49 |
| - | 0 | 0 | Digoxin | 0 | 0 | - |
| p = 1 | 0 | 1 (1.2%) | Amiodarone | 1 (2.1%) | 0 | p = 0.47 |
| p = 0.63 | 2 (14.3%) | 8 (9.6%) | PPI | 7 (15.2%) | 3 (5.8%) | p = 0.13 |