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  1. Artikel ; Online: Lifetime measurement of the first excited 5/2

    Lugendo, I J / Ahn, J K / Kumwenda, M J / Lee, J W / Hong, B / Hwang, S H

    Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine

    2019  Band 150, Seite(n) 141–145

    Abstract: We report a new high-precision lifetime measurement of the first excited 5/ ... ...

    Abstract We report a new high-precision lifetime measurement of the first excited 5/2
    Sprache Englisch
    Erscheinungsdatum 2019-05-20
    Erscheinungsland England
    Dokumenttyp Journal Article
    ZDB-ID 1142596-9
    ISSN 1872-9800 ; 0883-2889 ; 0969-8043
    ISSN (online) 1872-9800
    ISSN 0883-2889 ; 0969-8043
    DOI 10.1016/j.apradiso.2019.05.027
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  2. Artikel ; Online: Bone-density testing interval and transition to osteoporosis in patients with rheumatoid arthritis.

    Hwang, J / Lee, E-K / Ahn, J K / Cha, H-S / Koh, E-M / Lee, J

    Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA

    2017  Band 28, Heft 1, Seite(n) 231–237

    Abstract: The study aims to evaluate the rate of transition to osteoporosis in 360 RA patients and estimate the rescreening intervals of bone mineral density (BMD) testing. Osteoporosis was newly developed in 24.8 % during mean follow-up of 7.4 years. The ... ...

    Abstract The study aims to evaluate the rate of transition to osteoporosis in 360 RA patients and estimate the rescreening intervals of bone mineral density (BMD) testing. Osteoporosis was newly developed in 24.8 % during mean follow-up of 7.4 years. The estimated time of a BMD testing interval was dependent on the baseline T-score in RA patients.
    Introduction: Although BMD testing is routinely performed in RA patients, the interval between BMD tests has not been determined.
    Methods: We retrospectively recruited 360 consecutive female patients with RA, who underwent repeated BMD testing, with a mean age of 53.7 ± 10.2 years and a mean follow-up duration of 7.4 ± 5.0 years. We stratified the study participants into five groups based on their baseline T-score range. The testing interval was defined as the estimated time for 10 % of patients in each subgroup to transition to osteoporosis. Competing-risk analyses were performed with sensitivity analysis by menopausal status and risk factors for transition to osteoporosis.
    Results: At baseline, 15 % of screened patients had osteoporosis, and during follow-up, that proportion increased to 24.8 %. The estimated BMD testing interval for 10 % of patients to develop osteoporosis was 9.6 years for those with normal BMD, 7.6 years for those with mild osteopenia, 4.7 years for those with moderate osteopenia, and 2.1 years for those with severe osteopenia. No significant risk factor for transition to osteoporosis was identified in this cohort.
    Conclusions: Our data indicate that osteoporosis will develop in less than 10 % of female RA patients during rescreening intervals of approximately 9 years for those with normal bone density at baseline, 7 years for those with mild osteopenia, 4 years for those with moderate osteopenia, and 2 years for those with severe osteopenia at baseline. BMD interval in RA patients could be adjusted according to their baseline BMD T-scores.
    Sprache Englisch
    Erscheinungsdatum 2017-01
    Erscheinungsland England
    Dokumenttyp Journal Article
    ZDB-ID 1064892-6
    ISSN 1433-2965 ; 0937-941X
    ISSN (online) 1433-2965
    ISSN 0937-941X
    DOI 10.1007/s00198-016-3703-7
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  3. Artikel ; Online: The association between serum uric acid and asymptomatic intracranial arterial stenosis in middle-aged Koreans.

    Ahn, J K / Hwang, J / Hwang, J H / Yoon, W T / Chung, P W / Ryu, S

    Nutrition, metabolism, and cardiovascular diseases : NMCD

    2017  Band 28, Heft 1, Seite(n) 14–22

    Abstract: Background and aims: Intracranial arterial stenosis (ICAS) is one of the most common causes of stroke, especially in Asians. Hyperuricemia has been associated with an increased risk of comorbidities such as metabolic syndrome or cardiovascular diseases. ...

    Abstract Background and aims: Intracranial arterial stenosis (ICAS) is one of the most common causes of stroke, especially in Asians. Hyperuricemia has been associated with an increased risk of comorbidities such as metabolic syndrome or cardiovascular diseases. However, there are few studies focusing on the association between serum uric acid (SUA) levels and asymptomatic ICAS. The aim of this study was to explore the association between SUA and the prevalence of ICAS in middle-aged Korean health screening examinees.
    Methods and results: A cross-sectional study was performed on 9417 males and 7755 females who underwent a comprehensive health examination including transcranial Doppler (TCD) ultrasonography. The association of SUA and ICAS was analyzed using multivariate logistic regression. The prevalence of ICAS among the total examinee population was 3.55%. In females, the multivariate-adjusted odds ratio for ICAS was 1.52 (confidence interval 1.13-2.04) in the 3rd quartile of SUA and 1.45 (1.05-2.00) in the highest quartile, compared to the reference (P for trend 0.008). This trend was evident in all clinically relevant subgroups evaluated, including women with low inflammation status. SUA was not significantly associated with the prevalence of ICAS among males. In a sensitivity analysis, the multivariate-adjusted odds ratio of middle cerebral artery stenosis in females was 1.60 (1.09-2.37) in the highest quartile compared to the reference (P for trend 0.023).
    Conclusions: Higher SUA level was associated with increased risk of ICAS among middle-aged females but not males. A further cohort study is warranted to elucidate the effect of SUA on asymptomatic ICAS.
    Mesh-Begriff(e) Adult ; Asymptomatic Diseases ; Biomarkers/blood ; Comorbidity ; Cross-Sectional Studies ; Female ; Humans ; Hyperuricemia/blood ; Hyperuricemia/diagnosis ; Hyperuricemia/epidemiology ; Intracranial Arterial Diseases/blood ; Intracranial Arterial Diseases/diagnostic imaging ; Intracranial Arterial Diseases/epidemiology ; Male ; Middle Aged ; Prevalence ; Republic of Korea/epidemiology ; Retrospective Studies ; Risk Assessment ; Risk Factors ; Ultrasonography, Doppler, Transcranial ; Uric Acid/blood
    Chemische Substanzen Biomarkers ; Uric Acid (268B43MJ25)
    Sprache Englisch
    Erscheinungsdatum 2017-10-27
    Erscheinungsland Netherlands
    Dokumenttyp Journal Article
    ZDB-ID 1067704-5
    ISSN 1590-3729 ; 0939-4753
    ISSN (online) 1590-3729
    ISSN 0939-4753
    DOI 10.1016/j.numecd.2017.10.019
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  4. Buch: Active target with plastic scintillating fibers for hyperon-proton scattering experiments

    Ahn, J. K

    (KEK Preprint ; 2001,143)

    2001  

    Verfasserangabe J. K. Ahn
    Serientitel KEK Preprint ; 2001,143
    Sprache Englisch
    Umfang 6 S, graph. Darst
    Verlag High Energy Accelerator Research Organization (KEK)
    Erscheinungsort Tsukuba
    Dokumenttyp Buch
    Anmerkung Submitted to IEEE Trans. Nucl. Sci.
    Datenquelle Katalog der Technische Informationsbibliothek Hannover

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  5. Buch: Active target-detector with scintillating fibers for hyperon-proton scattering

    Ahn, J. K

    (KEK Preprint ; 2000,28)

    2000  

    Verfasserangabe J. K. Ahn
    Serientitel KEK Preprint ; 2000,28
    Sprache Englisch
    Umfang 14 S., 17 Abb
    Verlag High Energy Accelerator Research Organization (KEK)
    Erscheinungsort Tsukuba
    Dokumenttyp Buch
    Anmerkung Submitted to Nuclear Instruments and Methods A
    Datenquelle Katalog der Technische Informationsbibliothek Hannover

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  6. Buch: H-dibaryon and hypernucleus formation in the Xi - 12 C reaction at rest

    Ahn, J. K

    (KEK Preprint ; 99-172)

    2000  

    Verfasserangabe J. K. Ahn
    Serientitel KEK Preprint ; 99-172
    Sprache Englisch
    Umfang 14 S, graph. Darst
    Verlag High Energy Accelerator Research Organization (KEK)
    Erscheinungsort Tsukuba
    Dokumenttyp Buch
    Anmerkung Submitted to Phys. Rev. C
    Datenquelle Katalog der Technische Informationsbibliothek Hannover

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  7. Buch: Enhanced delta delta production near threshold in the 12 C (K -, K +) reaction

    Ahn, J. K

    (KEK Preprint ; 98-24)

    1998  

    Verfasserangabe J. K. Ahn
    Serientitel KEK Preprint ; 98-24
    Sprache Englisch
    Umfang 11 S, graph. Darst
    Verlag High Energy Accelerator Research Organization (KEK)
    Erscheinungsort Tsukuba
    Dokumenttyp Buch
    Datenquelle Katalog der Technische Informationsbibliothek Hannover

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  8. Buch: Scalar and vector meson production and two-step processes in (K-, K+) reaction on 12C

    Ahn, J. K

    (KEK Preprint ; 96-158)

    1997  

    Verfasserangabe E224 Collaboration. [J. K. Ahn ...]
    Serientitel KEK Preprint ; 96-158
    Sprache Englisch
    Umfang 23 S
    Verlag National Laboratory for High Energy Physics
    Erscheinungsort Ibaraki
    Dokumenttyp Buch
    Datenquelle Katalog der Technische Informationsbibliothek Hannover

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  9. Buch: Hyperon-proton scattering experiments with a scintillating fiber detector at KEK

    Ahn, J. K

    (KEK Preprint ; 97-236)

    1997  

    Verfasserangabe KEK-PS E251 & E289 Collaboration: J. K. Ahn
    Serientitel KEK Preprint ; 97-236
    Sprache Englisch
    Umfang 8 S, Ill., graph. Darst
    Verlag High Energy Accelerator Research Organization
    Erscheinungsort Tsukuba
    Dokumenttyp Buch
    Datenquelle Katalog der Technische Informationsbibliothek Hannover

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  10. Buch: A qstudy of [Sigma]+ p elastic scattering in the region of 300 p[Sigma] 600 MeV/c with a scintillating fiber target

    Ahn, J. K

    KEK-PS E251 Collaboration

    (KEK Preprint ; 97-224)

    1997  

    Verfasserangabe J. K. Ahn
    Serientitel KEK Preprint ; 97-224
    Sprache Englisch
    Umfang 18 S, Graph. Darst
    Verlag High Energy Accelerator Research Organization
    Erscheinungsort Tsukuba
    Dokumenttyp Buch
    Datenquelle Katalog der Technische Informationsbibliothek Hannover

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