Dab tsi yog densitometry thiab leej twg yuav tsum tau ua

2024 Tus sau: Malcolm Clapton | [email protected]. Kawg hloov kho: 2023-12-17 03:58

Qhov no tsis yog X-ray xwb.

Dab tsi yog densitometry

Qhov no yog ib txoj hauv kev los tshuaj xyuas cov pob txha pob txha pob txha siv ib yam tshwj xeeb ntawm X-ray. Qhov no yog li cas Bone density scan (DEXA scan) / NHS tau txiav txim siab, muaj calcium ntau npaum li cas hauv cov pob txha thiab seb puas muaj kev pheej hmoo ntawm pob txha vim tsis muaj pob zeb hauv av.

Leej twg yog densitometry ua tiav?

Lub ntsiab lus qhia rau tus txheej txheem yog osteoporosis. Nrog nws, tus nqi ntawm calcium nyob rau hauv cov pob txha txo qis thiab lawv ua tsis taus. Cov kws kho mob ua densitometry los kuaj xyuas cov kab mob no. Feem ntau, cov pob txha pob txha pob txha density test / US. National Library of Medicine cov poj niam muaj hnub nyoog tshaj 65 xyoo, txij li thaum pib ntawm lub cev tsis muaj zog, calcium metabolism hauv lub cev raug cuam tshuam. Cov txiv neej yuav raug qhia kom kuaj xyuas tom qab hnub nyoog 70 xyoo.

Tsis tas li ntawd, densitometry raug sau tseg rau cov neeg hluas yog tias lawv muaj kev pheej hmoo rau lwm yam laj thawj. Muab tso rau hauv tus account pob txha ntxhia ntom ntom kuaj / US National Library of Medicine muaj cov hauv qab no:

• pob txha tawg tom qab 50 xyoo;
• muaj mob osteoporosis hauv tsev neeg;
• tus neeg tau txais kev kho mob rau prostate lossis mob qog noj ntshav mis;
• keeb kwm ntawm cov kab mob xws li mob caj dab rheumatoid, ntshav qab zib mellitus, thyroid dysfunction, anorexia nervosa;
• thaum ntxov menopause, uas tshwm sim ntawm nws tus kheej los yog vim yog tshem tawm ntawm lub tsev menyuam;
• ntev siv cov tshuaj los ntawm cov pab pawg neeg ntawm corticosteroids, thyroid hormones los yog aromatase inhibitors;
• lub cev hnyav dua 57 kg lossis lub cev qhov ntsuas tsawg dua 21;
• kev loj hlob tsawg zuj zus;
• Kev haus luam yeeb ntev ntev lossis haus cawv.

Kev nyab xeeb npaum li cas yog densitometry

Qhov kev ntsuam xyuas no yeej tsis mob thiab nyab xeeb. Cov kws kho mob siv X-rays ntawm qhov qis qis dua li tus qauv X-ray. Kev kuaj pob txha pob txha (DEXA scan) / NHS tau suav tias yog tias tus nqi hluav taws xob uas tus neeg tau txais los ntawm densitometry sib raug rau ob hnub ntawm cov hluav taws xob hauv qab ntuj.

Tsis muaj contraindications rau cov txheej txheem. Tab sis nws tsis pom zoo los ntawm Kev Ntsuas Pob Txha / Mayo Clinic rau cov poj niam cev xeeb tub, vim tias X-ray yog qhov txaus ntshai rau tus me nyuam hauv plab, tshwj xeeb tshaj yog thaum ntxov.

Yuav ua li cas npaj rau densitometry

Xyaum tsis muaj dab tsi yuav tsum tau ua ntawm lub hom phiaj. Tab sis cov kws kho mob yuav tsis pib qhov kev sim pob txha pob txha / Mayo Clinic los ua densitometry yog tias ib tus neeg tau kuaj X-ray nrog qhov sib txawv hnub ua ntej. Cov khoom siv rau kev kuaj mob no yuav cuam tshuam X-rays thiab tiv thaiv cov pob txha los ntawm kev kuaj ib txwm. Yog li ntawd, koj yuav tau tos 1-2 hnub.

Tsis tas li ntawd, 24 teev ua ntej densitometry, koj yuav tsum tsis txhob noj cov tshuaj thiab cov tshuaj calcium ntxiv rau cov pob txha density test / Mayo Clinic kom tsis txhob muaj qhov cuam tshuam ntawm cov txiaj ntsig.

Ua ntej txheej txheem, koj yuav tsum tshem tawm tag nrho cov khoom hlau thiab cov hniav nyiaj hniav kub kom lawv tsis tshwm sim hauv daim duab.

Yuav ua li cas densitometry?

Cov txheej txheem feem ntau siv sijhawm 10-20 feeb. Muaj Bone mineral density test / U. S. National Library of Medicine muaj ob txoj hauv kev ua nws:

• Central densitometry. Nrog nws cov kev pab, cov duab ntawm qhov qis ntawm tus txha nraub qaum lossis cov pob txha ncej puab raug coj mus. Tus neeg pw tsis tsaug zog ntawm lub rooj zaum, thiab tus kws kho mob maj mam txav lub tshuab X-ray hla nws.
• Peripheral densitometry. Hauv qhov no, cov khoom siv me me tau siv los thaij duab ntawm dab teg, ntiv taw, ko taw, lossis pob taws.

Tseem muaj ultrasound densitometry, uas yog nqa tawm nrog ib tug portable ntaus ntawv. Tab sis nws tsis tshua muaj tseeb, yog li ntawd, kev kuaj mob tsis yog ua raws li cov txiaj ntsig ntawm qhov kev ntsuam xyuas no, tab sis tsuas yog siv los ntsuas qhov mob ntawm cov pob txha sai sai.

Yuav ua li cas tshwm sim

Tom qab scanning, koj yuav tsum decrypt lub snapshot. Ua li no, nws yog piv nrog cov ntsuas ib txwm muaj thiab raug rau cov pob txha pob txha pob txha density test / US. National Library of Medicine ob qhov kev ntaus nqi nrog tsab ntawv code:

• T-score yog qhov sib txawv ntawm koj cov pob txha thiab daim duab ntawm ib tug hluas noj qab nyob zoo. Tus qauv yog qhov sib txawv ntawm -1 SD (English standard deviation - standard deviation). Ib qho txiaj ntsig mus rau -2.5 SD txhais tau tias yog qhov txo qis hauv qhov ntom. Tus nqi qis dua -2.5 qhia tias muaj pob txha.
• Z-score yog qhov sib txawv ntawm koj cov pob txha thiab ntawm ib tug neeg ntawm tib lub hnub nyoog. Yog tias qhov tshwm sim tsawg dua -2, qhov ceev yog txo qis pob txha ceev scan (DEXA scan) / NHS.