|本期目录/Table of Contents|

[1]王永园,吕磊,李瑶,等.新兵首次长跑训练前后心电图以及氧化应激指标水平对比分析[J].医学研究与战创伤救治(原医学研究生学报),2021,23(03):240-243.[doi:10.3969/j.issn.1672-271X.2021.03.004]
　WANG Yong-yuan,L Lei,LI Yao,et al.Effect of first-time high-intensity exercise on ECG changes and oxidative stress[J].JOURNAL OF MEDICALRESEARCH —COMBAT TRAUMA CARE,2021,23(03):240-243.[doi:10.3969/j.issn.1672-271X.2021.03.004]
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新兵首次长跑训练前后心电图以及氧化应激指标水平对比分析()
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《医学研究与战创伤救治》（原医学研究生学报）[ISSN:1672-271X/CN:32-1713/R]

卷:
第23卷
期数:
2021年03期
页码:
240-243
栏目:
出版日期:
2021-06-20

文章信息/Info

Title:
Effect of first-time high-intensity exercise on ECG changes and oxidative stress
作者:
王永园; 吕磊; 李瑶; 金涛; 钟勇
作者单位：210002南京，东部战区总医院（原南京军区总医院）干部心内科（王永园、吕磊、李瑶），健康医学科（金涛、钟勇）
Author(s):
WANG Yong-yuan; L Lei; LI Yao; JIN Tao; ZHONG Yong
（1.Department of Geriatric Cardiology, 2. Department of Health Medicine, General Hospital of Eastern Theater Command, PLA, Nanjing 210002, Jiangsu, China）
关键词:
运动性心肌损伤; 心电图; 氧化应激
Keywords:
exercise-induced myocardial injury;  ECG;  oxidative stress
分类号:
R873
DOI:
10.3969/j.issn.1672-271X.2021.03.004
文献标志码:
A
摘要:
目的观察新兵首次高强度训练前后心电图、肌钙蛋白I和氧化应激指标变化，探讨高强度训练对心电图以及氧化应激的影响。方法入组120名新兵战士进行5 km长跑高强度训练，描记训练前以及训练后5 min内心电图，采集训练前以及训练后半小时内静脉血，测定肌钙蛋白I（TnI）、血清超氧化物歧化酶（SOD）、过氧化氢酶（CAT）、丙二醛（MDA）以及一氧化氮（NO），对比分析训练前后各指标的变化。结果与训练前比较，训练后心率(HR)[(65.01±8.68)次/min vs (93.06±10.18)次/min]、Q-Tc间期[(395.95±35.81)ms vs (416.47±26.03)ms]、RV5+SV1振幅[(2.95±0.76)mV vs (3.21±0.83)mV]以及Q-Tc异常的比例（0% vs 8.55%）明显增加，组间差异有统计学意义（P＜0.05）。运动后P-R间期以及异常比例、QRS时间及异常比例、心电轴以及异常比例、RV5+SV1振幅异常比例、TnI水平与训练前比较差异无统计学意义（P>0.05）。训练后血清CAT活力[(13.92±7.60)U/mL]较训练前[10.10±4.76 U/mL]明显增加（P＜0.05），而SOD活力、MDA较训练前有所增加，NO含量较训练前减少，但差异无统计学意义（P>0.05）。结论高强度训练对新兵心电图变化有影响，可提高机体氧化应激水平。
Abstract:
ObjectiveTo analyze the changes of ECG and oxidative stress after first-time high-intensity training so as to explore the impact of high-intensity training on oxidative stress and the effect on ECG.Methods120 recruits had their first-time 5 km running-training, tracing the ECG before training and within 5 minutes after training, collecting venous blood before training and within half an hour after training, measuring troponin I (TnI), serum superoxide dismutase (SOD), catalase (CAT), malondialdehyde (MDA) and a Nitrogen oxide (NO), comparative analysis of changes before and after training.ResultsCompared with before training, the HR [(65.01±8.68)bpm vs (93.06±10.18)bpm], Q-Tc [(395.95±35.81)ms vs (416.47±26.03)ms], RV5+SV1 value [(2.95±0.76)mV vs (3.21±0.83)mV] and proportion of Q-Tc abnormal (0% vs 8.55%) are significantly raised(P<0.05). After 30 minutes of training, the activity of serum CAT [(13.92±7.60)U/mL] was significantly increased than that before training [(10.10±4.76)U/mL,P<0.05]. The level of SOD,MDA was raised and NO was decreased after training, but there was no significantdifference(P>0.05).ConclusionHigh-intensity training has an effect on the recruits’ ECG changes, which can improve the oxidative stress level.

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备注/Memo

备注/Memo:
基金项目：军委后勤保障部卫生局保健专项课题（18BJZ13）；中国博士后科学基金（2018M633765）
更新日期/Last Update: 2021-06-17