1.Exploring Changes in Thalamus Metabolites as Diagnostic Biomarkers in Idiopathic Generalised Epilepsy Patients Using Magnetic Resonance Spectroscopy
Razzagh Abedi-Firouzjah1 ; Ayoob Rostamzadeh ; Amin Banaei ; Mohsen Shafiee ; Zafar Masoumi Moghaddam ; Hassan Vafapour
Malaysian Journal of Medical Sciences 2020;27(1):78-86
Introduction: Idiopathic generalised epilepsy (IGE) refers to a group of epilepsies
resulting from the activation of neurons in the whole brain. This study aimed to evaluate the
metabolite changes in thalamus as diagnostic biomarkers in IGE patients compared to healthy
individuals using magnetic resonance spectroscopy (MRS) technique.
Methods: The MRS was performed on 35 IGE patients (26 women and 11 men) with
average age of 32 (ranged from 18 to 43) and 35 healthy individuals (13 women and 22 men) with
average age of 31 (ranged from 21 to 50) as the control group. The levels of N-acetylaspartate
(NAA), creatine (Cr) and choline (Cho) were measured using MRS. The NAA/Cr and NAA/Cho
ratios were calculated for all participants. These values were statistically compared using t-test
between the groups.
Results: The NAA had significant lower values in IGE patients, 9.6 (SD = 0.8) and 9.9
(SD = 0.7) for right and left thalamus, respectively, compared to 10.9 (SD = 0.9) and 10.7 (SD =
0.9) in control group. The Cr values in the left side of thalamus were significantly higher in IGE
patients (6.7 [SD = 0.8] versus 5.8 [SD = 0.5]); however, there was no difference in right thalamus.
Measurements showed no difference for amounts of Cho between the groups in both sides of
thalamus. The NAA/Cr ratio was 1.48 (SD = 0.14) and 1.48 (SD = 0.16) for right and left thalamus,
respectively, in IGE patients in comparison with 1.83 (SD = 0.2) and 1.86 (SD = 0.26) in controls.
There was no meaningful variation between the NAA/Cho ratio of the right and left thalamus
among the groups.
Conclusion: Thalamic NAA, Cr and NAA/Cr ratio values in IGE patients showed statistical
differences compared to healthy individuals. Evaluating metabolites variations in thalamus using
MRS is suggested for differentiating IGE patients from healthy individuals.
2.Analysis of survival data in thalassemia patients in Shiraz, Iran.
Abdolreza RAJAEEFARD ; Mahmoud HAJIPOUR ; Hamid Reza TABATABAEE ; Jafar HASSANZADEH ; Shahab REZAEIAN ; Zahra MORADI ; Mehdi SHARAFI ; Mohsen SHAFIEE ; Ali SEMATI ; Sanaz SAFAEI ; Maryam SOLTANI
Epidemiology and Health 2015;37(1):e2015031-
OBJECTIVES: The survival rate of thalassemia patients has not been conclusively established, and the factors associated with survival remain unclear. This study aimed to determine the survival rate of thalassemia among patients in southern Iran and to identify the factors associated with mortality from thalassemia. METHODS: This retrospective cohort study was conducted based on a retrospective review of the medical records of 911 beta-thalassemia patients in 2014. Data analysis was conducted using the Kaplan-Meier method and Cox regression analysis. RESULTS: Overall, 212 patients (23.3%) died, and 26.8% had thalassemia intermedia. The 20-year, 40-year, and 60-year survival rates were 85%, 63%, and 54%, respectively. Both crude and adjusted analyses found that education, marital status, ferritin levels, and comorbidities were related to mortality. CONCLUSIONS: Sociodemographic and hematological factors were found to be significantly associated with the survival rate of thalassemia. Addressing these factors may help healthcare providers and physicians to provide the best possible care and to improve the survival rate.
beta-Thalassemia
;
Cohort Studies
;
Comorbidity
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Education
;
Ferritins
;
Health Personnel
;
Humans
;
Iran*
;
Kaplan-Meier Estimate
;
Marital Status
;
Medical Records
;
Mortality
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Retrospective Studies
;
Statistics as Topic
;
Survival Rate
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Thalassemia*