1.Decreased Cortical Thickness and Local Gyrification in Individuals with Subjective Cognitive Impairment
HyunChul YOUN ; Myungwon CHOI ; Suji LEE ; Daegyeom KIM ; Sangil SUH ; Cheol E. HAN ; Hyun-Ghang JEONG
Clinical Psychopharmacology and Neuroscience 2021;19(4):640-652
Objective:
Subjective cognitive impairment (SCI) is associated with future cognitive decline. This study aimed to compare cortical thickness and local gyrification index (LGI) between individuals with SCI and normal control (NC) subjects.
Methods:
Forty-seven participants (27 SCI and 20 NC) were recruited. All participants underwent brain magnetic resonance imaging scanning and were clinically assessed using the Consortium to Establish a Registry for Alzheimer’s Disease (CERAD) battery of tests. We compared cortical thickness and LGI between the two groups and analyzed correlations between cortical thickness/LGI and scores on CERAD protocol subtests in the SCI group for region of interests with significant between-group differences.
Results:
Cortical thickness reduction in the left entorhinal, superior temporal, insular, rostral middle frontal, precentral, superior frontal, and supramarginal regions, and right supramarginal, precentral, insular, postcentral, and posterior cingulate regions was observed in the SCI compared to the NC group. Cortical thickness in these regions correlated with scores of constructional praxis, word list memory, word list recall, constructional recall, trail making test A, and verbal fluency under the CERAD protocol. Significantly decreased gyrification was observed in the left lingual gyrus of the SCI group. In addition, gyrification of this region was positively associated with scores of constructional praxis.
Conclusion
Our results may provide an additional reference to the notion that SCI may be associated with future cognitive impairment. This study may help clinicians to assess individuals with SCI who may progress to mild cognitive impairment and Alzheimer’s dementia.
2.Lower High-Density Lipoprotein Cholesterol Concentration Is Independently Associated with Greater Future Accumulation of Intra-Abdominal Fat
Sun Ok SONG ; You-Cheol HWANG ; Han Uk RYU ; Steven E. KAHN ; Donna L. LEONETTI ; Wilfred Y. FUJIMOTO ; Edward J. BOYKO
Endocrinology and Metabolism 2021;36(4):835-844
Background:
Both intra-abdominal fat (IAF) and high-density lipoprotein cholesterol (HDL-C) are known to be associated with cardiometabolic health. We evaluated whether the accumulation of computed tomography (CT)-measured IAF over 5 years was related to baseline HDL-C concentration in a prospective cohort study.
Methods:
All participants were Japanese-Americans between the ages of 34 and 74 years. Plasma HDL-C concentration and CT measurements of IAF, abdominal subcutaneous fat (SCF), and thigh SCF cross-sectional areas were assessed at baseline and at 5-year follow-up visits.
Results:
A total of 397 subjects without diabetes were included. The mean±standard deviation HDL-C concentration was 51.6±13.0 mg/dL in men and 66.0±17.0 mg/dL in women, and the IAF was 91.9±48.4 cm2 in men and 63.1±39.5 cm2 in women. The baseline plasma concentration of HDL-C was inversely associated with the change in IAF over 5 years using multivariable regression analysis with adjustment for age, sex, family history of diabetes, weight change over 5 years, and baseline measurements of body mass index, IAF, abdominal SCF, abdominal circumference, thigh SCF, and homeostatic model assessment for insulin resistance.
Conclusion
These results demonstrate that HDL-C concentration significantly predicts future accumulation of IAF over 5 years independent of age, sex, insulin sensitivity, and body composition in Japanese-American men and women without diabetes.
3.Lower High-Density Lipoprotein Cholesterol Concentration Is Independently Associated with Greater Future Accumulation of Intra-Abdominal Fat
Sun Ok SONG ; You-Cheol HWANG ; Han Uk RYU ; Steven E. KAHN ; Donna L. LEONETTI ; Wilfred Y. FUJIMOTO ; Edward J. BOYKO
Endocrinology and Metabolism 2021;36(4):835-844
Background:
Both intra-abdominal fat (IAF) and high-density lipoprotein cholesterol (HDL-C) are known to be associated with cardiometabolic health. We evaluated whether the accumulation of computed tomography (CT)-measured IAF over 5 years was related to baseline HDL-C concentration in a prospective cohort study.
Methods:
All participants were Japanese-Americans between the ages of 34 and 74 years. Plasma HDL-C concentration and CT measurements of IAF, abdominal subcutaneous fat (SCF), and thigh SCF cross-sectional areas were assessed at baseline and at 5-year follow-up visits.
Results:
A total of 397 subjects without diabetes were included. The mean±standard deviation HDL-C concentration was 51.6±13.0 mg/dL in men and 66.0±17.0 mg/dL in women, and the IAF was 91.9±48.4 cm2 in men and 63.1±39.5 cm2 in women. The baseline plasma concentration of HDL-C was inversely associated with the change in IAF over 5 years using multivariable regression analysis with adjustment for age, sex, family history of diabetes, weight change over 5 years, and baseline measurements of body mass index, IAF, abdominal SCF, abdominal circumference, thigh SCF, and homeostatic model assessment for insulin resistance.
Conclusion
These results demonstrate that HDL-C concentration significantly predicts future accumulation of IAF over 5 years independent of age, sex, insulin sensitivity, and body composition in Japanese-American men and women without diabetes.
4.Clinical Characteristics of ESRD Patients with Severe Hyperparathyroidism Who Undertook Surgical Parathyroidectomy.
Seung Hyeok HAN ; Sang Cheol LEE ; E Hwa KANG ; Young Suk GOO ; Hyung Chun PARK ; Hyun Jeong ROH ; Hyun Jin NOH ; Soo Young YOON ; Do Sik YUN ; So Rye CHOI ; Shin Wook KANG ; Kyu Hun CHOI ; Ho Yung LEE ; Dae Suk HAN ; Jin Hak SEO ; Wung Yoon JEONG ; Jeong Soo PARK
Korean Journal of Nephrology 2002;21(1):108-116
BACKGROUND: Medical treatments such as restriction of phosphate, phosphate binder use, and active vitamine D therapy have been widely used for hyperparathyroidism in ESRD patients, and surgical parathyroidectomy should be considered in patients with uncontrolled hyperparathyroidism. METHODS: A retrospective study was performed in 24 ESRD patients with severe and uncontrolled hyperparathyroidism despite of medical treatment who undertook surgical parathyroidectomy in Severance hospital from 1990 to 1999. RESULTS: Sixteen patients had total parathyroidectomy with immediate autotransplant, 7 patients had subtotal parathyroidectomy and only 1 patient had minimally invasive parathyroidectomy. An excellent short-term control of hyperparathyroidism was achieved in all patients after parathyroidectomy. Preoperative bone and joint pain improved in 16 of 19 patients. Muscle weakness and pain improved in 11 of 17 patiens, malaise improved in 8 of 10 patients and pruritus improved in 10 of 13 patients. In addition, clinical laboratory finding improved after parathyroidectomy. No clinical differences were seen between 16 patients who undertook total parathyroidectomy with immediate autotransplant and 7 patients who undertook subtotal parathyroidectomy. Recurrence of hyperparathyroidism ocurred in 5 of 24 patients with 4 nodular hyperplasia and 1 diffuse hyperplasia in pathologic finding. The less degree of attenuated response of intact PTH levels immediately after operation was observed in 5 recurrent cases. CONCLUSION: Good results were obtained after parathyroidectomy. We believe that histologic subtype and the attenuated response of intact PTH after surgical parathyroidectomy could be possible predictors of the recurrent hyperparathyroidism.
Arthralgia
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Autografts
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Humans
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Hyperparathyroidism*
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Hyperparathyroidism, Secondary
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Hyperplasia
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Kidney Failure, Chronic*
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Muscle Weakness
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Parathyroidectomy*
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Pruritus
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Recurrence
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Retrospective Studies
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Vitamins