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Diabetes Res Clin Pract. 2017 Sep;131:124-131. doi: 10.1016/j.diabres.2017.07.006. Epub 2017 Jul 8.

Efficacy of low carbohydrate diet for type 2 diabetes mellitus management: A systematic review and meta-analysis of randomized controlled trials.

Author information

1
Shandong University of Traditional Chinese Medicine, Jinan, Shandong 250355, China; Department of Nutrition, Shandong Provincial Hospital, Jinan 250021, China. Electronic address: mengsandy@aliyun.com.
2
Department of Nutrition and Food Hygiene, School of Public Health, Shandong University, Jinan 250012, China; Department of Nutrition, Shandong Provincial Hospital, Jinan 250021, China. Electronic address: baihao1216@126.com.
3
Shandong University of Traditional Chinese Medicine, Jinan, Shandong 250355, China. Electronic address: pathology@163.com.
4
Department of Nutrition, Shandong Provincial Hospital, Jinan 250021, China. Electronic address: lzp1124@163.com.
5
Department of Nutrition, Shandong Provincial Hospital, Jinan 250021, China. Electronic address: wangqian.0821@163.com.
6
Department of Nutrition and Food Hygiene, School of Public Health, Shandong University, Jinan 250012, China; Department of Nutrition, Shandong Provincial Hospital, Jinan 250021, China. Electronic address: chenle73@sina.com.

Abstract

AIMS:

The objective of this systematic review and meta-analysis is to assess the efficacy of Low Carbohydrate Diet (LCD) compared with a normal or high carbohydrate diet in patients with type 2 diabetes.

METHODS:

We searched MEDLINE, EMBASE, and Cochrane Library database for randomized controlled trials. Researches which reported the change in weight loss, blood glucose, and blood lipid levels were included.

RESULTS:

A total of 9 studies with 734 patients with diabetes were included. Pooled results suggested that LCD had a significantly effect on HbA1c level (WMD: -0.44; 95% CI: -0.61, -0.26; P=0.00). For cardiovascular risk factors, the LCD intervention significantly reduced triglycerides concentration (WMD: -0.33; 95% CI: -0.45, -0.21; P=0.00) and increased HDL cholesterol concentration (WMD: 0.07; 95% CI: 0.03, 0.11; P=0.00). But the LCD was not associated with decreased level of total cholesterol and LDL cholesterol. Subgroup analyses indicated that short term intervention of LCD was effective for weight loss (WMD: -1.18; 95% CI: -2.32, -0.04; P=0.04).

CONCLUSIONS:

The results suggested a beneficial effect of LCD intervention on glucose control in patients with type 2 diabetes. The LCD intervention also had a positive effect on triglycerides and HDL cholesterol concentrations, but without significant effect on long term weight loss.

KEYWORDS:

Low carbohydrate diet; Meta-analysis; Randomized controlled trials; Type 2 diabetes; Weight loss

PMID:
28750216
DOI:
10.1016/j.diabres.2017.07.006
[Indexed for MEDLINE]

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