长时间使用电脑、看电视或其他久坐不动或会增加中风风险

2021-08-20 K.K MedSci原创

长时间使用电脑、看电视或其他久坐不动的活动会增加中风风险

今天发表在《stroke》杂志上的新研究,60岁以下的成年人,如果他们的日子里充满了久坐的休闲时间(其中包括使用电脑、电视或阅读)和很少的体育活动,那么他们的中风风险比那些体育活动较多的人要高。

Raed A. Joundi et al. Association Between Excess Leisure Sedentary Time and Risk of Stroke in Young Individuals.Stroke(2021).DOI: 10.1161/STROKEAHA.121.034985

根据美国心脏协会的统计数据,美国成年人平均每天花10.5小时与智能手机、电脑或看电视等社交媒体相连,而50~64岁的成年人与社交媒体相连的时间是所有年龄组中最长的。数据显示,2010年65岁及以上的成年人中与中风有关的死亡人数有所下降。然而,在35~64岁的年轻成年人中,中风死亡似乎在上升,从2010年每10万名成年人中的14.7人增加到2016年每10万名成年人中的15.4人。以前的研究表明,成年人久坐的时间越长,他们患心血管疾病包括中风的风险就越大。

加拿大卡尔加里大学康明医学院临床神经科学系的中风研究员Raed A. Joundi博士说:"在美国和加拿大,久坐时间正在增加。"在这项研究中,研究人员审查了14.3万名之前没有中风、心脏病或癌症的成年人的健康和生活方式信息,他们在2000年、2003年、2005年、2007-2012年参加了加拿大社区健康调查。研究人员对参与者进行了平均9.4年的跟踪(数据截止到2017年12月31日)。他们审查了每天花在休闲久坐活动上的时间(花在电脑、阅读和看电视上的时间),并将其分为以下几类:每天少于4小时、每天4至少于6小时、每天6至少于8小时、以及每天8小时或以上。他们还将身体活动分为四个类别,其中最低的类别是身体活动最少的,相当于每天步行10分钟或更少。"美国心脏协会建议成年人每周至少进行150分钟,或2.5小时的中等强度体育活动。

在随访期间,平均为9.4年,发生了2965次中风。其中,近90%是缺血性中风,这是最常见的中风类型,当向大脑供血的血管受阻时发生。

所有参与者的平均每日休闲静坐时间为4.08小时。60岁及以下的人每天平均休闲静坐时间为3.9小时。60~79岁的成年人每天平均休闲静坐时间为4.4小时,80岁及以上的成年人为4.3小时。

60岁及以下的成年人身体活动少,并报告说每天有8小时或更多的休闲静坐时间,与报告说每天休闲静坐时间少于4小时的人相比,中风的风险高4.2倍。

那些报告说有8小时或更多的静坐时间和低体力活动的人,与那些报告说每天静坐时间少于4小时和有较高体力活动水平的人相比,中风的风险要高7倍。

Joundi说:"60岁及以下的成年人应该意识到,久坐时间很长和体育活动时间很少会对健康产生不利影响,包括增加中风的风险。"体育活动具有非常重要的作用,它可以减少久坐时间,而且它似乎还可以减少久坐时间过长的负面影响。医生应该建议在年轻人中增加体育活动和减少久坐时间,并结合其他健康习惯,以降低心血管事件和中风的风险。

参考资料:

Raed A. Joundi et al. Association Between Excess Leisure Sedentary Time and Risk of Stroke in Young Individuals.Stroke(2021).DOI: 10.1161/STROKEAHA.121.034985

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    2022-03-07 yhj-time
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    2021-08-20 guging

    中风是俗称,应该称为缺血性卒中吧

    0

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