
<ns0:uwmetadata xmlns:ns0="http://phaidra.univie.ac.at/XML/metadata/V1.0" xmlns:ns1="http://phaidra.univie.ac.at/XML/metadata/lom/V1.0" xmlns:ns10="http://phaidra.univie.ac.at/XML/metadata/provenience/V1.0" xmlns:ns11="http://phaidra.univie.ac.at/XML/metadata/provenience/V1.0/entity" xmlns:ns12="http://phaidra.univie.ac.at/XML/metadata/digitalbook/V1.0" xmlns:ns13="http://phaidra.univie.ac.at/XML/metadata/etheses/V1.0" xmlns:ns2="http://phaidra.univie.ac.at/XML/metadata/extended/V1.0" xmlns:ns3="http://phaidra.univie.ac.at/XML/metadata/lom/V1.0/entity" xmlns:ns4="http://phaidra.univie.ac.at/XML/metadata/lom/V1.0/requirement" xmlns:ns5="http://phaidra.univie.ac.at/XML/metadata/lom/V1.0/educational" xmlns:ns6="http://phaidra.univie.ac.at/XML/metadata/lom/V1.0/annotation" xmlns:ns7="http://phaidra.univie.ac.at/XML/metadata/lom/V1.0/classification" xmlns:ns8="http://phaidra.univie.ac.at/XML/metadata/lom/V1.0/organization" xmlns:ns9="http://phaidra.univie.ac.at/XML/metadata/histkult/V1.0">
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    <ns1:title language="sr">Povezanost serumske koncentracije 25-hidroksi vitamina D i gustine kostiju kod žena starijih od 35 godina</ns1:title>
    <ns2:alt_title language="sr">Correlation of serum concentration of 25-hydroxy vitamin D andbone density in fеmale population older than 35 years of age : doctoral dissertation</ns2:alt_title>
    <ns1:language>sr</ns1:language>
    <ns1:description language="sr">SAŽETAK
Uvod: Hipovitaminoza vitamina D je danas široko zastupljena u svetu, u svim starosnim grupama sa većom prevalencom kod žena, posebno kod žena sa osteopenijom i primarnom osteoporozom. Cilj ove studije jeste razvijanje populacionog farmakokinetičkog (PFK)
modela klirensa 25-hidroksi vitamina D, identifikacija i kvantifikacija faktora
koji ga određuju kod žena starijih od 35 godina, kao i ispitivanje korelacije serumskih
25-hidroksi vitamina D sa vrednostima mineralne gustine kostiju, godinama starosti,
kvalitetom života, stepenom depresivnosti i prisustvom straha kod ispitanica.
Ispitanici i Metode istraživanja: Studija je obuhvatila 224 žene starije od 35
godina, koje su dolazile na osteodenzitometrijiski pregled u Kliniči centar
Kragujevac. Ispitavana populacija podeljena je u tri podgrupe: žene u premenopauzi (od
35. godine do menopauze), žene u peri i/ili postmenopauzi (od menopauze do 65. godine
života) i starije žene (od 65. do 75. godine života). U PFK analizi korišćen je
softverski program NONMEM (Non linear mixed effect model) i ADVAN 1 subrutina.
Brojni demografski, klinički, biohemijski, hormonski i medikamentozni podaci su
isptivani kao faktori varijabilnosti klirensa 25-hidroksi vitamina D u sve tri
subpopulacije žena. Procena depresije, staha i kvaliteta života je vršena upotrebom
validiranih i kulturološki adaptiranih upitnika.
Rezultati: Dobijene se srednje, populacione vrednosti klirensa 25-hidroksi vitamina
D, identifiokavani su i kvantifikovani faktori koji ga određuju, kao i vrednosti
inter- i intraindividulane varijabilnosti u ispitivanim subpopulacijama. Za
validaciju dobijenih PFK modela korišćena je eksterna validacija. Pokazano je
postojanje korelacije između serumskih koncentracija 25-hidroksi vitamina D sa kvalitetom
života kod žena sa redovnim menstrualnim ciklusom; mineralnom gustinom kostiju i
vrednostima T skora dobijenih DXA metodom i kvalitetom života kod žena u postmenopauzi.
Zaključak: Dobijene farmakokinetiče jednačine mogu se koristiti u donošenju preporuka
za korigovanje i individulazaciju doze ovog vitamina u vidu suplementacije kod žena u Srbiji, u
tri njihova značajna životna perioda.</ns1:description>
    <ns1:description language="en">ABSTRACT
Introduction: Hypovitaminosis of vitamin D is widely spread over the world, throughout every age group, but, dominantly present in female population with osteopenia and primary osteoporosis. The aim of this study was to develop a population pharmacokinetics (PFK) model of 25-hydroxy vitamin D clearance, identification and quantification of factors defining it in female&apos;s population older than 35 years, as well as to research the correlations between serum concentration of 25-hydroxy vitamin D and values of bone density, age, life quality, depression level and presence of fear among the study subjects.
Patients and Methods: The study population consisted of 224 women older than 35 years, which were taking osteodensitometry tests in Clinical center in Kragujevac. Test population was divided into 3 subgroups: women in premenopause (from 35 years to menopause) and women in peri- and/or in postmenopause (between menopause and 65 years of age) and elderly women
(from 65 to 75 years of age). For PFK analysis a NONMEM (Non linear mixed effect model)
softwear was used as well as ADVAN 1 subroutine. Numerous demographic, clinical,
biochemical, hormonal and medicamental data were investigated as factors of clearance
variability of 25-hydroxy vitamin D for all three female subpopulations.
Results: Middle values for population clearance of 25-hydroxy vitamin D were acquired, its
defining factors were identified and quantified, as well as inter- and intraindividual variables for
study population. For validation of acquired PFK models external validation was applied.
Correlation between serum concentration of 25-hydroxy vitamin D and life quality for females
with regular period, mineral bone density and values for T score from DXA method and life
quality for females in postmenopause, was confirmed.
Conclusion: Defined pharmacokinetic equations can be used for making recommendation,
corrections and individualization of vitamin D doses, through supplementation, for women in
Serbia, during their three most important life periods</ns1:description>
    <ns1:description language="sr"></ns1:description>
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        <ns3:firstname> Jelena, 1985- </ns3:firstname>
        <ns3:lastname>Đoković</ns3:lastname>
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        <ns3:firstname> Jasmina, 1968- </ns3:firstname>
        <ns3:lastname>Milovanović</ns3:lastname>
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      <ns1:ext_role>predsednik komisije</ns1:ext_role>
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        <ns3:firstname> Aleksandra, 1968- </ns3:firstname>
        <ns3:lastname>Tomić-Lučić</ns3:lastname>
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        <ns3:firstname> Olivera, 1986- </ns3:firstname>
        <ns3:lastname>Milovanović</ns3:lastname>
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      <ns1:ext_role>član komisije</ns1:ext_role>
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        <ns3:firstname> Radmila, 1961- </ns3:firstname>
        <ns3:lastname>Veličković Radovanović</ns3:lastname>
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  <ns1:classification>
    <ns1:purpose>70</ns1:purpose>
    <ns7:keyword language="sr" seq="1">serumska koncentracija,25-hidroksi vitamin D, mineralna gustinakostiju, populaciona farmakokinetika, NONMEM</ns7:keyword>
    <ns7:keyword language="sr" seq="1">serum concentration of 25-hydroxy vitamin D, bone density, populationpharmacokinetics, NONMEM</ns7:keyword>
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