Effects of walnut intake on anthropometric characteristics: A systematic review and dose-response meta-analysis of randomized controlled trials
Fang Z, Dang M, Zhang W, Wang Y, Kord-Varkaneh H, Nazary-Vannani A, O Santos H, Tan SC, C T Clark C, Zanghelini F, Borges do Nascimento IJ, Yang Y
Complementary therapies in medicine · 22 citas
Etiquetas de revisión
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Cómo se estudió
- Diseño
- Metaanálisis (indexado por PubMed)
- Estudiado en
- Personas
- Resultado principal
- Marcadores de salud y funcionamiento
- Consumo medido con
- No se indica
Quién lo pagó
- Financiación
- Financiación no declarada
Publicación
- Publicado
- 2020-04-10 · Complement Ther Med · vol. 50 · pág. 102395
- Editorial
- Elsevier BV
- Citado
- 28 citas · más que el 64% de estudios similares · 1.0× el promedio de su campo
- Referencias
- 67 trabajos
- Acceso
- De pago
- Áreas de investigación
- Nuts composition and effects · Nutritional Studies and Diet · Fatty Acid Research and Health
- Palabras clave
- anthropometric characteristics, body weight, body mass index, waist circumference, fat mass, dose-response relationship, weight loss, nut consumption
- MeSH
- humans, juglans, nuts, obesity, body weight, anthropometry, dose-response relationship, drug, dietary supplements, randomized controlled trials as topic, waist circumference
12 autores
- Fang Zhang🇨🇳Linyi People's Hospital
- Minyan Dang
- Wenzhi Zhang
- Yuewen Wang🇨🇳Shaanxi University of Chinese Medicine
- Hamed Kord‐Varkaneh🇮🇷Shahid Beheshti University; Shahid Beheshti University of Medical Sciences
- Ali Nazary-Vannani🇮🇷Tehran University of Medical Sciences
- Heitor Oliveira Santos🇧🇷Universidade Federal de Uberlândia
- Shing Cheng Tan🇲🇾National University of Malaysia
- Cain C. T. Clark🇬🇧Coventry University
- Fernando Zanghelini🇧🇷Universidade Federal de Pernambuco
- Israel Júnior Borges do Nascimento🇧🇷Universidade Federal de Minas Gerais
- Yongmei Yang🇨🇳 · autor de correspondenciaShaanxi Provincial Hospital of Traditional Chinese Medicine
Resumen
El texto original del estudio, en el idioma en que se publicó.
Background & objective
Effects of walnut intake on anthropometric measurements have been inconsistent among clinical studies. Thus, we conducted a meta-analysis of randomized clinical trials (RCTs) to evaluate and quantify the effects of walnut intake on anthropometric characteristics.
Methods
We carried out a systematic search of all available RCTs up to June 2019 in the following electronic databases: PubMed, Scopus, Web of Science and Google Scholar. Pooled weight mean difference (WMD) of the included studies was estimated using random-effects model.
Results
A total of 27 articles were included in this meta-analysis, with walnuts dosage ranging from 15 to 108 g/d for 2 wk to 2 y. Overall, interventions with walnut intake did not alter waist circumference (WC) (WMD: -0.193 cm, 95 % CI: -1.03, 0.64, p = 0.651), body weight (BW) (0.083 kg, 95 % CI: -0.032, 0.198, p = 0.159), body mass index (BMI) (WMD: -0.40 kg/m,295 % CI: -0.244, 0.164, p = 0.703), and fat mass (FM) (WMD: 0.28 %, 95 % CI: -0.49, 1.06, p = 0.476). Following dose-response evaluation, reduced BW (Coef.= -1.62, p = 0.001), BMI (Coef.= -1.24, p = 0.041) and WC (Coef.= -5.39, p = 0.038) were significantly observed through walnut intake up to 35 g/day. However, the number of studies can be limited as to the individual analysis of the measures through the dose-response fashion.
Conclusions
Overall, results from this meta-analysis suggest that interventions with walnut intake does not alter BW, BMI, FM, and WC. To date, there is no discernible evidence to support walnut intake for improving anthropometric indicators of weight loss.
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