医学
心房颤动
内科学
C反应蛋白
肺静脉
窦性心律
导管消融
心脏病学
混淆
烧蚀
利钠肽
队列
炎症
心力衰竭
作者
Naoya Kataoka,Teruhiko Imamura
摘要
The recurrence of atrial fibrillation (AF) remains an unresolved issue. Jaroonpipatkul and colleagues evaluated the association between high-sensitivity C-reactive protein (hs-CRP) and AF recurrence after catheter ablation.1 The authors demonstrated that higher hs-CRP after ablation was associated with AF recurrence by performing a meta-analysis. Several concerns have been raised. Maintained sinus rhythm suppresses the inflammatory status. Thus, the duration and burden of AF are strongly associated with the degree of inflammatory status. One of the reasons why pre-procedural hs-CRP level was not associated with the AF recurrence in their study may be a variety of duration and burden of AF at baseline.1 It may be more appropriate to perform a pooled analysis to prepare a more homogeneous cohort, instead of performing a meta-analysis. It would be of great interest to find therapeutic targets associated with incremental hs-CRP levels. An increase in hs-CRP is reactive, and other original abnormalities should be found. For example, a variety of inflammatory-related biomarkers have been proposed to be associated with AF recurrence, including urine isoxanthopterin,2 interleukin-6, natriuretic peptide, and uric acid.3 Could the authors explain the reason why they focused on hs-CRP rather than other biomarkers? One of the major causes of AF recurrence is pulmonary vein reconnection after catheter ablation.4 Inflammation is unlikely to cause pulmonary vein reconnection. It may be more appropriate to exclude the patients with pulmonary vein reconnection to avoid its confounding effect. The causality between hs-CRP and AF recurrence is unclear. In the authors' study, postprocedural hs-CRP level, instead of pre-procedural hs-CRP level, was associated with AF recurrence.1 The authors suggested that hs-CRP may be an offender of AF recurrence, whereas hs-CRP may only be a bystander of AF recurrence. What do the authors think about their causality? The authors declare no conflicts of interest. Not applicable. Not applicable. Not applicable.
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