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首页> 美国卫生研究院文献>Journal of Exercise Rehabilitation >Correlations between change in neural respiratory drive and heart rate variability in patients submitted to open-heart surgery
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Correlations between change in neural respiratory drive and heart rate variability in patients submitted to open-heart surgery

机译：接受心脏直视手术的患者神经呼吸驱动变化与心率变异性之间的相关性

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Respiratory muscle dysfunction after open-heart surgery may influence the cardiopulmonary interactions. The purpose of this study was to examine the correlation between change in the neural respiratory drive (NRD) and change in heart rate variability (HRV) in patients submitted to open-heart surgery. An observational cross-sectional study was conducted among 32 participants. NRD was assessed via a surface electromyogram of the parasternal intercostal muscle (sEMGpara). Polar heart rate monitor was used to measure HRV during the deep breathing maneuver. Evaluations were performed on the day of admission and discharge. There were statistically significant differences in NRD and HRV indices between admission and discharge periods (P<0.05). The difference in peak root mean square of sEMGpara recorded during resting (ΔRMS sEMGpara tidal), during maximal inspiratory maneuver (ΔsEMGpara max), and its normalized values (ΔRMS sEMGpara%max) were significantly correlated with the difference in total power (ΔTotal power), mean of heart rate (ΔMeanHR), and mean of R to R intervals (ΔMeanRR) (r=−0.844, P=0.004, r=−0.835, P=0.005, and r=0.643, P=0.043, respectively). It can be concluded that NRD correlated well with HRV in patients who had undergone open-heart surgery.
机译：心脏直视手术后的呼吸肌功能障碍可能会影响心肺功能。这项研究的目的是检查接受心脏直视手术的患者的神经呼吸驱动（NRD）变化与心率变异性（HRV）变化之间的相关性。在32名参与者中进行了观察性横断面研究。 NRD通过胸骨旁肋间肌的表面肌电图（sEMGpara）进行评估。在深呼吸操作期间，使用极心率监测仪测量HRV。在入院和出院当天进行评估。入院和出院期间NRD和HRV指数存在统计学差异（P <0.05）。静息时（sRMSGpara潮气时），最大吸气动作时（ssEMGpara max）记录的sEMGpara的均方根峰值差与标准值（ΔRMSsEMGpara％max）均与总功率（ΔTotalpower）差显着相关，心率平均值（ΔMeanHR）和R到R间隔平均值（ΔMeanRR）（分别为r = -0.844，P = 0.004，r = -0.835，P = 0.005和r = 0.643，P = 0.043）。可以得出结论，在接受心脏直视手术的患者中，NRD与HRV密切相关。

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