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題 名 | 臺灣老人蛋白質攝取和低肌肉量的相關性=Association of Protein Intake and Low Muscle Mass in Elderly People in Taiwan |
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作 者 | 賴芳宇; 張新儀; 李孟智; 林志學; 楊顓維; 張李淑女; 謝佩君; 張雁雲; 林正介; | 書刊名 | 臺灣老年醫學暨老年學雜誌 |
卷 期 | 12:3 2017.08[民106.08] |
頁 次 | 頁191-206 |
分類號 | 417.8262 |
關鍵詞 | 肌少症; 低肌肉量; 蛋白質攝取; Sarcopenia; Low muscle mass; Dietary protein; |
語 文 | 中文(Chinese) |
中文摘要 | 背景:肌少症被視為老年症候群之一,且和行動不便、生活品質下降及死亡有關。肌少症的核心定義為肌肉量隨著老化流失,而蛋白質攝取不足可能加速此過程。目的:探討台灣老人蛋白質攝取和低肌肉量的相關性。方法:本研究是一項以「1999-2000年台灣地區老人營養健康狀況調查」為基礎的橫斷面研究。使用飲食頻率問卷紀錄1,376位老人過去一個月的飲食習慣,從飲食頻率問卷中衍生七項和蛋白質食物相關的整合性變項(海鮮魚類、肉類、海鮮魚肉類、奶類、豆類、蛋類和總蛋白質類),將1,376位老人在各個整合性變項之中各變項之攝取頻率按5分位數分成五個類別,給予1-5分後再加總。另外,以生物電阻分析儀評估老人身體組成,將肌肉量除以身高平方得出骨骼肌質量指數(skeletal muscle mass index, SMI),本研究將SMI低於同性別研究族群的25%定義為低肌肉量。以邏輯斯迴歸(logistic regression)分析七項蛋白質食物整合性變項的攝取分數是否和低肌肉量有關。結果:1,376人中有345人屬於低肌肉量,平均年齡為74.3歲,顯著高於正常肌肉量組(p<0.001);而在海鮮魚類、海鮮魚肉類和總蛋白質的平均攝取分數則顯著低於正常肌肉量組(p<0.05)。在校正可能影響的干擾因子,進一步分析七項蛋白質食物整合性變項攝取分數和低肌肉量的相關性,顯示老人總蛋白質攝取和低肌肉量無顯著相關;但海鮮魚肉類攝取分數最高的25%族群低肌肉量風險顯著低於攝取分數最低的25%族群(OR=0.63, 95% CI 0.42-0.95, p=0.027)。結論:台灣老人攝取海鮮魚肉類較多者可降低其低肌肉量的風險。未來有待長期前瞻性研究探討老人攝取充足蛋白質是否能避免肌肉量流失。 |
英文摘要 | Background: Sarcopenia is a geriatric syndrome that results in adverse outcomes, including functional impairment, poor quality of life, and even mortality. The key definition of sarcopenia is loss of muscle mass that occurs with aging, and insufficient dietary protein intake may accelerate this condition. Objective: To investigate whether dietary protein intake was associated with low muscle mass in elderly people in Taiwan. Method: Based on the essential information of the Elderly Nutrition and Health Survey in Taiwan (1999-2000), the cross-sectional study recruited a total of 1,376 elderly people for assessing their frequency of dietary protein intake, using an interviewer-administered food frequency questionnaire (FFQ). Seven variables ("seafood and fish", "meat", "seafood, fish, and meat", "milk", "bean", "egg", and "total protein") for summative composite measures were derived from protein food mentioned in the FFQ. Participants received 1-5 points in each variable according to their frequency of intake. Body composition was estimated by bioelectrical impedance analysis. Skeletal muscle mass index (SMI) was obtained by dividing skeletal mass by height squared. Low muscle mass (LMM) was defined as a SMI below 25% in the gender-specific study population. Logistic regression was used for analysis. Results: As indicated by the research results, LMM was identified in 345 elderly people. The average age of the LMM group was 74.3 years old, which was significantly higher than that of the normal muscle mass group (p<0.001). The average points of "seafood and fish" intake, "seafood, fish and meat" intake, and "total protein" intake were significantly lower in the LMM group than in the normal muscle mass group (p<0.05). After adjustment for potential confounders, the participants with points of "seafood, fish and meat" intake in the highest quartile had significantly lower risk for LMM than those with points in the lowest quartile (OR=0.63, 95% CI 0.42-0.95, p=0.027). Conclusion: Increase in daily intake of seafood, fish, and meat appears to help reduce the risk of LMM in elderly people in Taiwan. |
本系統中英文摘要資訊取自各篇刊載內容。