FREQUENCY OF DISCORDANCE BETWEEN SPINE AND HIP T-SCORE DETERMINED ON DUAL X-RAY ABSORPTIOMETRY (DXA) 70

Pa, I Ta N J O U R N A L O F R A D I O, L Gy
unpublished
AIMS: Diagnos tic dis cordance for os te oporos is is th e obs e rvation th at T-s core of an individual patie nt varie s be tw e e n s k e l e tal s ite s , fal l ing into tw o diffe re nt diagnos tic cate gorie s de fine d by th e W orl d H e al th O rganiz ation (W H O) cl as s ification s ys te m . Th e principl e aim of th e s tudy w as to e xam ine th e fre q ue ncy of T-s core dis cordance be tw e e n th e h ip and l um bar s pine us ing dual e ne rgy X-ray abs orptiom e try (DXA).
more » ... e try (DXA). METHODS: Th is is a cros ss e ctional s tudy conducte d from 14th Jul y 2008 til l 14th January 2009 at National Guards H e al th Affairs H os pital , K ing Abdul az iz M e dical City, Saudi Arabia. BM D im age s for 69 2 fe m al e patie nts w e re s e arch e d for various com binations of T-s core s re fl e cting th e nine pos s ibl e dis cordant and concordant pre m utations of norm al , os te ope nia, and os te oporos is . Th e W H O diagnos tic cl as s ification s ys te m for os te oporos is cate goriz e s patie nts into th re e diagnos e s ----norm al , os te ope nia, or os te oporos is ----bas e d on th e ir T-s core s . Concordance w as de fine d as pre s e nt w h e n th e s pine and h ip T-s core pl ace d th e patie nt in th e s am e diagnos tic cl as s . M inor dis cordance w as de fine d as pre s e nt w h e n th e diff e re nce be tw e e n tw o s ite s is no m ore th an one W H O diagnos tic cl as s . M ajor dis cordance w as de fine d as pre s e nt w h e n one s ite is os te oporotic and th e oth e r s ite is norm al . RESUL TS: O ut of 69 2 participants (m e an age 57.6 ± 9 .9 2 ye ars ), m ajor dis cordance , m inor dis cordance , and concordance of T-s core s w e re s e e n in 4.5% , 39 % and 56.5% , re s pe ctive l y. M os t com m on m ajor dis cordance obs e rve d w as os te oporos is of s pine and norm al h ip T-s core s w h il e m os t com m on m inor dis cordance w as os te ope nia of s pine and norm al total h ip T-s core s . CONCLUSION: T-s core concordance be tw e e n th e h ip and PA L1-L4 s pine m e as ure m e nt is th e m os t l ik e l y finding, dis cordance is al s o a com m on occurre nce . Th is ph e nom e non of T-s core dis cordance s h oul d be re garde d as a re al and pre val e nt finding. Key words: Dual X-ray abs orptiom e try; bone m ine ral de ns it y; concordance ; dis cordance ; os te oporos is ; os te ope nia.
fatcat:p7iyz7sshvdu7ghz3j5m7nr4ym