Tom (aka ironjustice) wrote:
> Increased Brain Iron Deposition in the Putamen in Patients with Type 2 Diabetes Mellitus Detected by Quantitative Susceptibility Mapping
> Jing Li 1, Qihao Zhang 2, Nan Zhang 3, Lingfei Guo 3
> J Diabetes Res
> 2020 Sep 25;2020:7242530. doi: 10.1155/2020/7242530. eCollection 2020.
> PMID: 33062715 PMCID: PMC7533753 DOI: 10.1155/2020/7242530
> Free PMC article
> Abstract
> Background: The underlying brain structural changes in type 2 diabetes mellitus (T2DM) patients have attracted increasing attention.
> The insulin-resistant state causes iron overload in neurons and leads to lesions in the central nervous system.
> Quantitative susceptibility mapping (QSM) can provide a noninvasive quantitative analysis of brain iron deposition.
> We aimed to compare the difference of brain iron deposition in the gray matter nucleus between T2DM patients and
> healthy elderly individuals using QSM.
>
> Methods: Thirty-two T2DM patients and thirty-two age- and gender-matched healthy controls (HCs) were enrolled in this research.
> Twenty-three patients and twenty-six HCs underwent cognitive assessments. Brain QSM maps were computed from multiecho GRE data
> using morphology-enabled dipole inversion with automatic uniform cerebrospinal fluid zero reference algorithm (MEDI+0).
> ITK-SNAP was used to measure the susceptibility values reflecting the content of iron in the regions of interest (ROIs).
>
> Results: The study included thirty-two T2DM patients (20 males and 12 females; mean age of 61.09 ± 9.99 years) and
> 32 HCs (14 males and 18 females; mean age of 59.09 ± 9.77 years). These participants had no significant difference in age
> or gender (P > 0.05). Twenty-three patients with T2DM (11 males and 12 females; mean age, 64.65 ± 8.44 years) and
> twenty-six HCs (14 males and 12 females; mean age, 62.30 ± 6.13 years) received an assessment of cognitive function.
> T2DM patients exhibited an obviously (t = 3.237, P = 0.003) lower Montreal Cognitive Assessment
> (MoCA) score (26.78 ± 2.35; HCs, 28.42 ± 0.64; normal standard ?26) and a higher Stroop color-word test (SCWT)-C
> score [87(65,110); HC, 63(60,76.75), Z = -2.232, P = 0.003] than HCs. The mean susceptibility values in the putamen
> appeared obviously higher in T2DM patients than in HCs (t = -3.994, P < 0.001). The susceptibility values and cognitive
> assessment scores showed no obvious association (P > 0.05). However, an obvious
> correlation was observed between the changes in the susceptibility values in the putamen and the
> thalamus/dentate nucleus (r = 0.404, P < 0.001; r = 0.423, P < 0.001).
>
> Conclusion: T2DM patients showed increased susceptibility values in the putamen and had declines in executive functions,
> but the linear association between them was not statistically significant.
Iow, iron deposition in the putamen of diabetics does not appear to
correlate with declines in executive functions.
> Changes in susceptibility values in the putamen
> indicated increased iron deposition and might be used as a quantitative imaging marker of central nervous system injury
> in T2DM patients. QSM might be able to help probe micro neuronal damage in gray matter and provide information on diabetic encephalopathy.
>
> Copyright © 2020 Jing Li et al.
In the interim, I am simply wonderfully hungry (
http://bit.ly/RapidTestCOVID-19 ) and hope you, Tom, also have a
healthy appetite too.
So how are you ?
...because we mindfully choose to openly care with our heart,
HeartDoc Andrew <><
--
Andrew B. Chung, MD/PhD
Cardiologist with an
http://bit.ly/EternalMedicalLicense
2016 & upwards non-partisan candidate for U.S. President:
http://bit.ly/WonderfullyHungryPresident
and author of the 2PD-OMER Approach:
http://bit.ly/HeartDocAndrewCare
which is the only **healthy** cure for the U.S. healthcare crisis