Abstract:
BACKGROUND:Eosinophils have been involved in a wide spectrum of pro-inflammatory and pro-thrombotic conditions, with the development of cardiovascular complications in a significant proportion of hypereosinophilic patients. However, no study has so far evaluated the impact of eosinophils levels on periprocedural myocardial infarction (PMI) in patients undergoing non-urgent percutaneous coronary interventions (PCI), that was, then, aim of current study. METHODS:In a consecutive cohort of patients, myonecrosis biomarkers were dosed at intervals from 6 to 48 h after PCI. Periprocedural myonecrosis was defined as troponin I increase by 3 times the ULN or by 50% of an elevated baseline value, whereas PMI as CKMB increase by 3 times the ULN or 50% of baseline. RESULTS:Our population is represented by 1543 patients who were divided according to tertiles of absolute eosinophils count (AEC ≤ 0.1; 0.1-0.2; >0.2 × 10ˆ3/ml). Higher AEC was related to male gender (p = 0.002), arterial hypertension (p = 0.02), diabetes (p = 0.001), previous coronary revascularization (p = 0.003 for PCI, p = 0.03 for CABG), treatment with ARBs, beta-blockers, diuretics and ASA (p < 0.001), statins (p = 0.02), calcium antagonists (p = 0.05), glycosylated hemoglobin (p < 0001), creatinine levels (p = 0.001) and platelet count (p = 0.01), while inversely with acute presentation (p < 0.001), glycemia (p = 0.03), HDL-cholesterol and C-reactive protein (p = 0.02). AEC related with multivessel coronary artery disease (p = 0.05), lesion length (p = 0.01), drug eluting stents implantation (p = 0.001) and use of kissing balloon technique (p = 0.05), while inversely to intracoronary thrombus (p < 0.001) and thrombectomy (p = 0.04). AEC did not influence the occurrence of PMI (p = 0.06, adjusted OR [95% CI] = 1.06 [0.86-1.31], p = 0.57) or myonecrosis (p = 0.15, adjusted OR [95% CI] = 1.06 [0.88-1.27], p = 0.53). Results were confirmed at subgroup analysis in higher-risk subsets of patients. CONCLUSION:In patients undergoing non-urgent PCI, eosinophils levels are not associated with the occurrence of periprocedural myocardial infarction or myonecrosis.
journal_name
Atherosclerosisjournal_title
Atherosclerosisauthors
Verdoia M,Schaffer A,Barbieri L,Sinigaglia F,Marino P,Suryapranata H,De Luca G,Novara Atherosclerosis Study Group (NAS).doi
10.1016/j.atherosclerosis.2014.06.023subject
Has Abstractpub_date
2014-09-01 00:00:00pages
169-74issue
1eissn
0021-9150issn
1879-1484pii
S0021-9150(14)01253-2journal_volume
236pub_type
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