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This article introduced the design and application of the ultrasound probe holder for ultrasound-guided venipuncture. The ultrasound probe holder has been designed to hold a variety of probes in different angles, and to provide more comfort with less fatigue for the operator. The components of the probe holder can be dismantled for cleaning or sterilization. (本文介绍一种用于超声引导静脉穿刺的超声探头固定装置的设计与应用。该装置操作简便, 能够灵活调整并固定超声探头, 提高操作者舒适度, 且可拆卸进行清洗或消毒。)

Objective To investigate the effect of home-based resistance training in cardiac rehabilitation for patients with coronary heart disease (CHD). Methods Totally 122 CHD patients requiring home-based cardiac rehabilitation were divided into the control group (n=61) and the observation group according the sequence of hospital admission. All patients received community care and health education by telephone follow-up, and patients in the observation group were given health education on cardiac rehabilitation and home-based resistance training. The physical function, motor ability, quality of life and cardiac parameters of patients were measured. Results After a three-month intervention, The scores of Chinese Mini Physical Performance Test(CM-PPT) and Chinese Questionnaire of Quality of Life in Patients with Cardiovascular Diseases(CQQC) in the observation group were higher than those in the control group (P＜0. 01). Patients in the observation group achieved higher outcomes of 30-second Arm Curl Test (30-ACT), longer distance of 6-Minute Walking Test and shorter time of 10x Sit-To-Stand Test (STS10) compared with those in the control group after intervention (P＜0. 05). Higher level of Cardiac output (C0) and Left Ventricular Ejection Fraction(LVEF) and lower level of Left Ventricular End Diastolic Volume (LVEDV) and Left Ventricular End Systolic Volume(LVESV) were reported in the observation group than those in the control group(P＜0. 05). Conclusion Application of health education on cardiac rehabilitation and home-based resistance training could improve the physical function, motor ability, cardiac function and quality of life in CHD patients. (目的 探讨抗阻训练在居家冠心病患者心脏康复中的应用效果。方法 选择2020年4月—2021年3月医院心内科收治的行心脏康复的居家冠心病患者122例为研究对象, 根据入院顺序分为对照组与观察组, 各61例。对照组给予社区护理及电话随访, 观察组在此基础上展开心脏康复教育及抗阻训练指导。评价两组躯体功能、运动能力及生活质量, 测定心功能指标变化。结果 干预后, 观察组中文版简易躯体功能量表(CM-PPT)及中国心血管病人生活质量评定问卷(CQQC)评分高于对照组, 差异有统计学意义(P＜0. 01)。干预后, 观察组30s手臂屈曲试验(30-ACT)、6 min步行距离(6MWT)高于对照组, 10次坐-立体位试验测量(STS10)低于对照组, 差异有统计学意义(P＜0. 01)。干预后, 观察组心排血量(C0)、左心室射血分数(LVEF)高于对照组, 左室舒张末容积(LVEDV)、左室收缩末容积(LVESV)低于对照组, 差异有统计学意义(P＜0. 05)。结论 针对居家冠心病患者实施心脏康复教育及抗阻训练指导, 可进一步改善躯体功能, 增强运动能力及心肺功能, 恢复心功能, 提高生活质量。)