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- Title
Serum metabolic profile predicts adverse central haemodynamics in patients with type 2 diabetes mellitus.
- Authors
Nikolic, Sonja; Edwards, Lindsay; Karpievitch, Yuliya; Wilson, Richard; Horne, James; Adams, Murray; Sharman, James
- Abstract
Aims: People with type 2 diabetes mellitus (T2DM) have abnormal peripheral and central haemodynamics at rest and during exercise, probably due to metabolic perturbations, but mechanisms are unknown. We used untargeted metabolomics to determine the relationships between metabolic perturbations and haemodynamics (peripheral and central) measured at rest and during exercise. Methods: Serum samples from 39 participants with T2DM (62 ± 9 years; 46 % male) and 39 controls (52 ± 10 years; 51 % male) were analysed by liquid chromatography-mass spectrometry, nuclear magnetic resonance spectroscopy and principal component analysis. Scores on principal components (PC) were used to assess relationships with haemodynamics including peripheral and central BP, central augmentation index (AIx) and central augmentation pressure (AP). Results: Participants with T2DM had higher resting and exercise haemodynamics (peripheral and central BP, central AIx and central AP) compared to controls ( p < 0.05). PC that comprised of a signature metabolic pattern of T2DM was independently associated with resting and exercise central AIx and central AP ( p < 0.05). Conclusions: Serum metabolic profile was associated with central, but not peripheral, haemodynamics in T2DM participants, suggesting that metabolic irregularities may explain abnormal central haemodynamics in T2DM patients.
- Subjects
HEMODYNAMICS; DIABETES; METABOLIC profile tests; LIQUID chromatography; NUCLEAR magnetic resonance
- Publication
Acta Diabetologica, 2016, Vol 53, Issue 3, p367
- ISSN
0940-5429
- Publication type
Article
- DOI
10.1007/s00592-015-0802-4