Department of Physical Therapy, University of Pernambuco (UPE) Campus Petrolina, Petrolina, PE, Brazil.
Department of Physical Education, Federal University of Sao Francisco Valley (UNIVASF) Campus Petrolina, Petrolina, PE, Brazil.
BMC Geriatr. 2020 Feb 22;20(1):76. doi: 10.1186/s12877-020-1479-2.
Functional independence and safe mobility, especially in older people, mostly rely on the ability to perform dual tasks, particularly during activities with variable- and fixed-priority attention. The aim of this study is to compare the dual-task training with progression from variable- to fixed-priority instructions versus dual-task training with variable-priority on gait speed in community-dwelling older adults.
This is an assessor- and participant-blinded, two-arm, randomized controlled trial with 60 community-dwelling male and female older adults between the ages of 60 and 80 years old. Participants will be randomly allocated into either the intervention group or the control group using a computer-generated permuted block randomization schedule. The intervention group will undertake a progressive dual-task training in which the participants will be progressively submitted to dual-task walking and postural balance exercises with variable- to fixed-priority instructions. The control group will be submitted to dual-task training with variable-priority attention exercises. Both groups will receive 48 sessions lasting for 60 min each over 24 weeks. The primary outcome will be the gait speed under single- and dual-task conditions. Secondary outcomes will include spatiotemporal gait parameters, functional balance, executive function, falls, quality of life, and depression symptoms. All the analyses will be based on the intention-to-treat principle.
This is the first assessor- and participant-blinded, two-arm, randomized controlled trial with 6 months of intervention and an additional 6-month post-training follow up aiming to evaluate the effectiveness of training with progression from variable- to fixed-priority instructions on gait biomechanics, postural balance, falls episodes, executive functioning, and quality of life in community-dwelling older adults. If our hypotheses are confirmed, this training protocol can be implemented widely to improve gait speed and other functional activities and quality of life in community-dwelling older adults. This study protocol can be used to improve these functional aspects of community-dwelling older adults. This study may also contribute to future guidelines for the improvement of these clinical and biomechanical aspects in older people.
ClinicalTrials.gov Identifier - NCT03886805, Registered 22 March 2019.
功能独立性和安全移动性，尤其是在老年人中，主要依赖于执行双重任务的能力，尤其是在具有可变和固定优先级注意力的活动中。本研究的目的是比较从可变优先级指令到固定优先级指令的双重任务训练与具有可变优先级的双重任务训练对社区居住的老年人的步态速度的影响。
这是一项评估员和参与者双盲、双臂、随机对照试验，纳入了 60 名年龄在 60 至 80 岁之间的社区居住的男性和女性老年人。参与者将使用计算机生成的随机分组随机分配到干预组或对照组。干预组将进行渐进式双重任务训练，其中参与者将逐渐接受可变至固定优先级指令的双重任务步行和姿势平衡练习。对照组将接受具有可变优先级注意力练习的双重任务训练。两组均将接受 48 次 60 分钟的治疗，持续 24 周。主要结局将是单任务和双任务条件下的步态速度。次要结局将包括时空步态参数、功能性平衡、执行功能、跌倒、生活质量和抑郁症状。所有分析都将基于意向治疗原则。
这是第一项评估员和参与者双盲、双臂、随机对照试验，干预时间为 6 个月，额外的 6 个月培训后随访，旨在评估从可变优先级指令到固定优先级指令的训练对社区居住的老年人步态生物力学、姿势平衡、跌倒发作、执行功能和生活质量的有效性。如果我们的假设得到证实，这种训练方案可以广泛实施，以提高社区居住的老年人的步态速度和其他功能活动以及生活质量。本研究方案可用于改善社区居住的老年人的这些功能方面。本研究也可能为改善老年人的这些临床和生物力学方面的未来指南做出贡献。
ClinicalTrials.gov 标识符-NCT03886805，注册于 2019 年 3 月 22 日。
