Objective Waiting time is inevitable during cardiovascular (CV) care. This study examines whether waiting room-based CV education could complement CV care. Methods A 2:1 randomised clinical trial of patients in waiting rooms of hospital cardiology clinics. Intervention participants received a series of tablet-delivered CV educational videos and were randomised 1:1 to receive another video on cardiopulmonary resuscitation (CPR) or no extra video. Control received usual care. The primary outcome was the proportion of participants reporting high motivation to improve CV risk-modifying behaviours (physical activity, diet and blood pressure monitoring) post-clinic. Secondary outcomes: clinic satisfaction, CV lifestyle risk factors (RFs) and confidence to perform CPR. Assessors were blinded to treatment allocation. Results Among 514 screened, 330 were randomised (n=220 intervention, n=110 control) between December 2018 and March 2020, mean age 53.8 (SD 15.2), 55.2% male. Post-clinic, more intervention participants reported high motivation to improve CV risk-modifying behaviours: 29.6% (64/216) versus 18.7% (20/107), relative risk (RR) 1.63 (95% CI 1.04 to 2.55). Intervention participants reported higher clinic satisfaction RR: 2.19 (95% CI 1.45 to 3.33). Participants that received the CPR video (n=110) reported greater confidence to perform CPR, RR 1.61 (95% CI 1.20 to 2.16). Overall, the proportion of participants reporting optimal CV RFs increased between baseline and 30-day follow-up (16.1% vs 24.8%, OR=2.44 (95% CI 1.38 to 4.49)), but there was no significant between-group difference at 30 days. Conclusion CV education delivery in the waiting room is a scalable concept and may be beneficial to CV care. Larger studies could explore its impact on clinical outcomes. Trial registration number ANZCTR12618001725257. Data are available on reasonable request. Deidentified study data will be made available to researchers who provide a methodologically sound proposal and after the signing of a non-disclosure agreement. To submit a data use proposal, please email the principal investigator at clara.chow@sydney.edu.au.

中文翻译：

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心脏病门诊候诊室的心脏风险和心肺复苏教育：一项随机临床试验

目的 在心血管 (CV) 护理期间，等待时间是不可避免的。本研究考察了基于候诊室的简历教育是否可以补充简历护理。方法 医院心内科门诊候诊室患者2:1随机临床试验。干预参与者收到了一系列由平板电脑提供的简历教育视频，并按照 1:1 的比例随机接收另一个关于心肺复苏 (CPR) 的视频或不接收额外视频。对照组接受常规护理。主要结果是报告临床后改善心血管风险调节行为（体力活动、饮食和血压监测）的高动机的参与者比例。次要结果：诊所满意度、CV 生活方式风险因素 (RF) 和执行 CPR 的信心。评估者对治疗分配不知情。结果 在筛选的 514 份中，330 人在 2018 年 12 月至 2020 年 3 月之间随机分配（n=220 干预，n=110 对照），平均年龄 53.8（SD 15.2），55.2% 男性。临床后，更多干预参与者报告了改善 CV 风险调节行为的高动机：29.6% (64/216) 与 18.7% (20/107)，相对风险 (RR) 1.63（95% CI 1.04 至 2.55）。干预参与者报告更高的诊所满意度 RR：2.19（95% CI 1.45 至 3.33）。收到 CPR 视频的参与者 (n=110) 表示对执行 CPR 更有信心，RR 1.61（95% CI 1.20 至 2.16）。总体而言，报告最佳 CV RF 的参与者比例在基线和 30 天随访之间增加（16.1% 对 24.8%，OR=2.44（95% CI 1.38 至 4.49）），但在30天。结论 在候诊室提供 CV 教育是一个可扩展的概念，可能有益于 CV 护理。更大规模的研究可以探讨其对临床结果的影响。试验注册号 ANZCTR12618001725257。可应合理要求提供数据。在签署保密协议后，将向提供方法学上合理的提案的研究人员提供去识别化的研究数据。要提交数据使用建议，请发送电子邮件至 clara.chow@sydney.edu.au 给首席研究员发送电子邮件。