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首页> 外文期刊>PACE: Pacing and clinical electrophysiology >Improvement of peripheral microcirculation after cardioversion of atrial fibrillation
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Improvement of peripheral microcirculation after cardioversion of atrial fibrillation

机译：心房颤动后外周微循环的改善

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Abstract Background Near‐infrared spectroscopy (NIRS) is a noninvasive method to measure regional tissue oxygenation (rSO 2 ). In patients with atrial fibrillation (AF), cardiac output and endothelial function are altered. Peripheral tissue oxygenation may therefore be reduced. This study aims to describe the peripheral tissue oxygenation of the feet before and after synchronized electrical cardioversion (CV) of patients with AF using NIRS. Methods Patients with AF undergoing CV were included and screened for peripheral arterial disease (PAD), diabetes mellitus (DM), and peripheral neuropathy (PN). NIRS was performed before and after CV under continuous ECG and monitoring of peripheral oxygen saturation. NIRS was registered on the dorsoplantar and plantar area of both feet. Capillary blood gas analysis was performed and left ventricular ejection fraction (LVEF) was determined. Results Twelve patients (five women, seven men, age 70.8 ± 10.8 years) participated. None had history of PAD. DM was present in three (25%) patients. Two patients (16.7%) had PN. CV was successful in 11 patients. Overall, rSO 2 improved significantly in all patients after CV ( P ?=?.0003). Mean improvement was 7.17%. There were no significant changes in body temperature, ankle‐brachial index, sO 2 , pO 2 , pCO 2 , pH, or lactate after CV. Heart rate was significantly lower ( P ??.0001) and LVEF significantly higher ( P ?=?.0123) after CV. Conclusions In patients with AF, peripheral tissue oxygen saturation improves significantly after successful CV. This suggests that patients with PAD may not only benefit from interventional or surgical improvement of arterial vascularization, but also from CV in case of AF.
机译：摘要背景近红外光谱（NIRS）是一种测量区域组织氧合（RSO 2）的非侵入方法。在心房颤动（AF）的患者中，改变心输出和内皮功能。因此可以降低外周组织氧合。本研究旨在描述AF使用NIR的AF的患者的同步电气心致（CV）之前和之后的外周组织氧合。方法包括患有AF的患者，并筛选外周动脉疾病（垫），糖尿病（DM）和外周神经病变（PN）。在CV之前和之后进行NIR在连续的心电图下进行，并监测外周氧饱和度。 NIRS在双脚的Dorsoplantar和Purtorar地区注册。进行毛细管血液气体分析，测定左心室喷射级分（LVEF）。结果十二名患者（五名妇女，七名男子，70.8±10.8岁）参加。没有垫子的历史。 DM存在于三（25％）患者中。两名患者（16.7％）有PN。 CV成功于11名患者。总体而言，在CV之后的所有患者中，RSO 2显着改善（P？= _ 0003）。平均改善为7.17％。体温，踝关节臂指数，SO 2，PO 2，PCO 2，pH或乳酸在CV后没有显着变化。心率明显较低（P？＆ 0001），并且在CV之后明显更高（p？= 0123）。结论AF患者，在成功CV后，外周组织氧饱和度显着提高。这表明患有垫的患者不仅可以受益于动脉血管化的介入或手术改善，而且可以从CV的情况下受益。

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