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- W571008711 abstract "Introduction: The purpose of this study was to examine the side-to-side differences in volumetric bone mineral density (vBMD) and geometric properties of tibia in hip fracture patients, and to assess the determinants of the possible side-to-side differences in bone. Materials and Methods: Thirty-one 60-85year old men and women with previous hip fracture, an average 34 months earlier, participated in this cross-sectional study. The bone scans were obtained from the distal tibia and tibial shaft of both lower limbs by peripheral tomography to determine vBMD and bone geometry parameters. In addition, physical activity, muscle performance and mobility were measured. Paired t-test and regression analysis were used in statistical analysis. Results: In distal tibia, total density (-5.8%, p<0.001), trabecular density (-4,5%, p=0.001) and polar moment of inertia (-6.9%, p<0.001) and in the tibial shaft, total area (-3,5%; p=0,004), cortical area (-4,2%; p=0,001), and polar moment of inertia (-4,7%; p=0,001) were significantly lower on the injured side than on the uninjured side. Stair-climbing time, physical activity, side-to-side difference in leg extension power and age were associated with the side-to-side difference in total area of tibial shaft (R=0,81) whereas stair-climbing time alone had an association with the side-to-side difference in cortical area of tibial shaft (R=0,27). Conclusions: Hip fracture results in significantly reduced vBMD and deteriorated geometric properties in tibia of the fractured limb. Physical activity and mobility seem to be of great importance for the good quality of bone geometry in hip fracture patients. Bone density, hip fractures, pQCT, aged SELVITYS OMAN TYON OSUUDESTA Pro gradu –tyoni on osa Jyvaskylan yliopiston terveystieteiden laitoksen lonkkamurtumapotilaiden terveytta, toimintakykya ja kuntoutusta selvittavaa tutkimusta. En ole osallistunut tutkimusprojektin suunnitteluun enka tutkimushenkiloiden rekrytointiin. Aiempiin tutkimuksiin pohjautuvan kirjallisuuskatsauksen olen kirjoittanut itse seka hakenut siihen tarvittavan kirjallisuuden. Olen suorittanut tutkimuksen luumittaukset perifeerisella tomografialla ja analysoinut kyseiset luumittaukset Geanie-tietokoneohjelmalla. Taustatietojen ja fyysisen aktiivisuuden selvittamisesta seka liikkumiskyvyn, alaraajojen voiman ja tehon mittaamisesta ovat huolehtineet projektin muut mittaajat. Olen saanut kayttooni naiden muiden mittausten tulokset SPSS-muodossa. Pro graduni SPSS-analyysit olen tehnyt kokonaisuudessaan itse ja olen itse kirjoittanut taman artikkelimuotoisen pro graduni." @default.
- W571008711 created "2016-06-24" @default.
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- W571008711 date "2005-01-01" @default.
- W571008711 modified "2023-09-27" @default.
- W571008711 title "Reduced volumetric bone mineral density and geometric properties of tibia in hip fracture patients" @default.
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