Cited by 16Diabetes, Cardiovascular Risks, and LipoproteinsDiabetes Management and ResearchCardiovascular and exercise physiology

Increases in muscle blood flow after a mixed meal are impaired at all stages of type 2 diabetes

Lambadiari, Vaia, Mitrou, Panayota, Maratou, Eirini, Raptis, Athanassios, Raptis, Sotirios A., Dimitriadis, George·2012·Clinical Endocrinology

Abstract

OBJECTIVE: In type 2 diabetes, although the impairment of postprandial muscle blood flow response is well established, information on the effect of this impairment on glucose uptake and lipid metabolism is controversial. DESIGN: Postprandial forearm blood flow responses and metabolic parameters were assessed in a cross-sectional study of subjects at various stages of insulin resistance. PATIENTS: Eleven healthy subjects (CONTROLS), 11 first-degree relatives of type-2 diabetics (RELATIVES), 10 patients with impaired glucose tolerance (IGT), 10 diabetic patients with postprandial hyperglycaemia (DMA), and 13 diabetic patients with both fasting and postprandial hyperglycaemia (DMB). MEASUREMENTS: All subjects received a meal. Blood was drawn from a forearm deep vein and the radial artery at specific time-points during a period of 360 min for measurements of glucose, insulin, triglycerides and nonesterified-fatty acids. Forearm muscle blood flow was measured with strain-gauge plethysmography. Glucose uptake and ISI Index were calculated. RESULTS: Peak-baseline muscle blood flow was higher in CONTROLS (3.32 ± 0.4) than in RELATIVES (0.53 ± 0.29), IGT (0.82 ± 0.2), DMA (1.44 ± 0.34), DMB (1.23 ± 0.35 ml/min/100 ml tissue), P < 0.001. Glucose uptake (AUC(0-360,) μmol/100 ml tissue) was higher in CONTROLS (1023 ± 132) than in RELATIVES (488 ± 42), IGT (458 ± 43), DMA (347 ± 63), DMB (543 ± 53), P < 0.001. ISI index, postprandial triglycerides and nonesterified-fatty acids behaved in a similar way. Peak-baseline muscle blood flow correlated positively with glucose uptake (r = 0.440, P = 0.001) and ISI index (r = 0.397, P = 0.003), and negatively with postprandial triglycerides (r = -0.434, P = 0.001) and nonesterified-fatty acids (r = -0.370, P = 0.005). CONCLUSIONS: These results suggest that increase in muscle blood flow after a meal is impaired at all stages of type-2 diabetes. This defect influences glucose uptake and is associated with impaired lipid metabolism in the postprandial state.

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Crossref · 10.1111/j.1365-2265.2011.04211.x

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Authors
Lambadiari, V., Mitrou, P., Maratou, E., Raptis, A., Raptis, S. A., & Dimitriadis, G.
Affiliations
National and Kapodistrian University of Athens (GR)
Corresponding author
Dimitriadis, George
Venue
Clinical Endocrinology
Publisher
Wiley
Published
2012-04-23
Volume
76
Issue
6
Pages
825-830
ISSN
  • 0300-0664 (ISSN-L)
  • 1365-2265
OpenAlex
W1556821477
Cited by
16
References
39
Citations by year
2025: 1 · 2022: 1 · 2021: 5 · 2020: 3 · 2019: 1 · 2015: 3 · 2014: 1 · 2012: 1
FWCI
0.52
Type
journal article
Language
en
Open access
closed
Locations
  • Clinical Endocrinology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes, Cardiovascular Risks, and Lipoproteins
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes Management and Research
  • Health Sciences › Medicine › Complementary and alternative medicine › Cardiovascular and exercise physiology
Keywords
type 2 diabetes, muscle blood flow, postprandial hyperglycemia, insulin resistance, impaired glucose tolerance, glucose uptake, insulin sensitivity index, postprandial triglycerides, free fatty acids, mixed meal, first-degree relatives of diabetics, lipid metabolism, insulin secretion, first-phase insulin response, second-phase insulin response, postprandial lipemia, postprandial hyperinsulinemia
MeSH terms
Adult, Blood Glucose, Diabetes Mellitus, Type 2, Fatty Acids, Nonesterified, Female, Humans, Insulin, Male, Middle Aged, Triglycerides, Muscle, Skeletal, Postprandial Period

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