Journal of Interventional Cardiology

Research Article

Clinical and Laboratory Predictors of Long-Term Outcomes after Catheter Ablation for a Ventricular Electrical Storm

Table 4

Laboratory parameters before radiofrequency ablation (RFA) for ventricular electrical storm depending on the long-term ablation result.
 Study population (n = 62)Long-term effective ablation (n = 19)Long-term partially successful ablation (n = 15)Long-term ineffective ablation (n = 13) value
hsTnI, ng/mL (normal range: <0.0156 for women; <0.0342 for man)0.053 (0.029–0.150)0.037 (0.023–0.117)0.048 (0.030–0.096)0.079 (0.036–0.199)0.308
CK-MB, ng/mL (normal range: <3.1)1.4 (0.9–2.6)1.0 (0.7–1.3)2.6 (1.5–4.0)1.4 (1.2–1.5)0.027
BNP before RFA, pg/mL (normal range: <159)261 (145–728)146 (67–220)330 (156–365)1029 (255–1677)0.004
BNP at hospital discharge, pg/mL (normal range: <159)354 (176–495)135 (129–156)302 (190–393)369 (242–408)0.029
Creatinine, mg/dL (normal range: 0.55–1.02)1.17 (1.0–1.47)1.06 (0.94–1.19)1.22 (1.0–1.37)1.26 (1.12–1.29)0.417
Potassium, mmol/L (normal range: 3.5–5.1)4.3 (4.0–4.5)4.4 (4.1–4.8)4.2 (4.0–4.4)4.2 (4.0–4.6)0.209
CRP, mg/L (normal range: <5.0)3.4 (1.2–13.3)2.6 (1.2–7.8)4.7 (1.6–32.3)1.5 (0.6–14.9)0.419
Neutrophils × 109/L (normal range: 2.0–7.0)4.9 (3.6–6.6)4.7 (3.5–6.5)4.7 (3.4–5.5)5.3 (4.5–6.4)0.528
Lymphocytes × 109/L (normal range: 1.0–3.0)1.7 (1.2–2.3)1.8 (1.5–2.6)1.5 (1.1–1.8)1.7 (0.7–1.9)0.064
NLR (normal range: 1–3)3.1 (1.9–4.5)2.3 (1.8–4.0)3.2 (2.2–4.8)3.7 (2.3–6.5)0.145
Hemoglobin, g/dL (normal range: 12.0–15.0)13.4 (12.2–14.5)13.9 (12.6–14.6)13.6 (12.3–14.5)12.5 (12.0–14.2)0.490
Platelets × 109/l (normal range: 150–410)203 (172–241)212 (189–250)219 (197–338)177 (170–187)0.014
TSH, uU/mL (normal range: 0.35–4.94)1.7 (0.8–2.9)2.2 (0.9–3.5)2.4 (0.9–3.3)1.8 (0.7–2.0)0.545
FT4, pmol/L (normal range: 9.01-19.05)15.3 (13.4–16.4)14.6 (13.6–15.4)15.3 (15.2–16.3)15.5 (14.6–18.1)0.428
ALT, UL (normal range: 5–34)25 (19–37)23 (19–26)41 (25–51)26 (14–59)0.116
AST, U/L (normal range: <55)24 (18–29)21 (16–24)33 (28–46)26 (21–33)0.003
ALT: alanine aminotransferase, AST: aspartate aminotransferase, BNP: brain natriuretic peptide, CK-MB: creatine kinase-myocardial band, CRP: C-reactive protein, FT4: free thyroxin, hsTnI: high‐sensitivity troponin I, NLR: neutrophil to lymphocyte ratio, TSH: thyroid stimulating hormone.