JafariNasabian Pegah, Inglis Julia E, Kelly Owen J, Ilich Jasminka Z
Department of Nutrition, Food and Exercise Sciences, Florida State University, Tallahassee, FL.
Abbott Nutrition, Columbus, OH, USA.
Int J Womens Health. 2017 Jan 13;9:33-42. doi: 10.2147/IJWH.S106107. eCollection 2017.
Osteosarcopenic obesity syndrome (OSO) has recently been identified as a condition encompassing osteopenia/osteoporosis, sarcopenia and obesity. OSO is especially deleterious in older adults (even if they are not obese by conventional measures), due to age-related redistribution of fat and its infiltration into bone and muscle. Osteoporosis and bone fractures in elderly increase the risk of sarcopenia, which, through decreased mobility, increases the risk of more falls and fractures, creating a vicious cycle. Obesity plays a dual role: to a certain extent, it promotes bone and muscle gains through mechanical loading; in contrast, increased adiposity is also a source of pro-inflammatory cytokines and other endocrine factors that impair bone and muscle. As the elderly population increases, changes in lifestyle to delay the onset of OSO, or prevent OSO, are warranted. Among these changes, dietary patterns and physical activity modifications are the first ones to be implemented. The typical Western diet (and lifestyle) promotes several chronic diseases including OSO, by facilitating a pro-inflammatory state, largely via the imbalance in omega-6/omega-3 fatty acid ratio and low-fiber and high-processed food consumption. Nutritional modifications to prevent and/or alleviate the OSO syndrome include adequate intake of protein, calcium, magnesium and vitamin D and increasing consumptions of foods containing omega-3 polyunsaturated fatty acids and fiber. Certain types of physical activity, often decreased in overweight/obese women and in elderly, might preserve bone and muscle, as well as help in reducing body fat accrual and fat infiltration. Habitual daily activities and some alternative modes of exercise may be more appropriate for older adults and play a crucial role in preventing bone and muscle loss and maintaining optimal weight. In conclusion, older adults who suffer from OSO syndrome may benefit from combined efforts to improve diet and physical activity, and such recommendations should be fostered as part of public health programs.
骨少肌性肥胖综合征(OSO)最近被认定为一种包含骨质减少/骨质疏松、肌少症和肥胖的病症。由于与年龄相关的脂肪重新分布及其向骨骼和肌肉的浸润,OSO对老年人尤其有害(即使按照传统标准他们并不肥胖)。老年人的骨质疏松和骨折会增加肌少症的风险,而肌少症又会因活动能力下降增加跌倒和骨折的风险,从而形成恶性循环。肥胖起着双重作用:在一定程度上,它通过机械负荷促进骨骼和肌肉的增长;相反,肥胖增加也是促炎细胞因子和其他损害骨骼和肌肉的内分泌因子的来源。随着老年人口的增加,改变生活方式以延缓或预防OSO的发生是必要的。在这些改变中,首先应实施饮食模式和体育活动的调整。典型的西方饮食(和生活方式)通过促成促炎状态,在很大程度上通过ω-6/ω-3脂肪酸比例失衡以及低纤维和高加工食品的消费,促进了包括OSO在内的多种慢性疾病。预防和/或缓解OSO综合征的营养调整包括充足摄入蛋白质、钙、镁和维生素D,以及增加富含ω-3多不饱和脂肪酸和纤维的食物的消费。某些类型的体育活动,在超重/肥胖女性和老年人中往往减少,可能有助于维持骨骼和肌肉,以及帮助减少体脂积累和脂肪浸润。日常习惯性活动和一些替代运动方式可能对老年人更合适,并在预防骨骼和肌肉流失以及维持最佳体重方面发挥关键作用。总之,患有OSO综合征的老年人可能会从改善饮食和体育活动的综合努力中受益,并且此类建议应作为公共卫生项目的一部分加以推广。