Ihe ọ bụ, otu esi eji ya
MUGA scan (MUltiple Gated Acquisition scan) bụ ule na-enweghị nyocha iji jiri nyochaa ọrụ obi. MUGA igodo na-emepụta ihe oyiyi na-akpali akpali nke obi na-eti eti, site na foto a, ọtụtụ atụmatụ dị mkpa nwere ike kpebisie ike banyere ahụike nke aka ekpe na aka nri (ụlọ isi mgbapụta obi). MUGA nyochaa kachasị mma n'inye ọgụgụ nke ike zuru oke nke obi.
Kedu ka esi emecha nyocha MUGA?
Ọ bụrụ na ị na-ahụ ntanye MUGA, a na-etinye obere ntanetị nke Technetium 99 (ihe na-eme redio) ka ọ banye n'ime ọbara gị. Technetium 99 na-ejikọta mkpụrụ ndụ ọbara ọbara gị, ma na-agbasasị n'ime ọbara gị. Mgbe ahụ, a ga-etinye gị na igwefoto pụrụ iche (igwefoto gamma), nke nwere ike ịchọpụta radiation radiation dị ala site na ụlọnga ọbara ọbara nke Technetium. Ebe ọ bụ na mkpụrụ ndụ ọbara uhie jupụtara ọnụ ụlọ obi, igwefoto gamma nwere ike ịmepụta ihe bụ isi ihe nkiri nke obi etiwapụ. Enwere ike ichota "ihe nkiri" a dijitalụ na algọridim dị iche iche nke kọmputa, nke nwere ike ikpebi ọtụtụ ozi bara uru gbasara ahụike nke obi gị.
Gịnị Ka A Pụrụ Ịmụta Site na MUGA Scan?
Enwere ike ịgụta ọtụtụ ihe dị mkpa nke ọrụ mkpụrụ obi site na ntanetị MUGA. Ọ bụrụ na mmadụ nwere nkụchi obi na MUGA nyocha nwere ike ịkọwa akụkụ nke obi obi na-arụ ọrụ na-adịghị mma.
Site na ịchọta ebe obi na-emerụ ahụ ike, MUGA scan na-enye dọkịta ihe ndị dị mkpa banyere akwara na -eme ka ọnyá akwara na-egbochi ma ọ bụ bụrụ nke a na-egbochi site na atherosclerosis .
MUGA nyochaa dịkwa ezigbo mma n'icheta ọrụ niile nke obi. Nke a dị mkpa karịsịa ma ọ bụrụ na ọnụọgụ ọ bụla nke cardiomyopathy dị ugbu a.
nyocha MUGA na-enye ụzọ ziri ezi na nke a pụrụ ịmepụta iji tụọ ma nyochaa "mkpịsị nke ejection" nke ventricles obi. Onu ogugu n ' aka ekpe nke aka ekpe (LVEF) bu ihe di nma nke oru obi mmadu, o bu ihe bara uru n'inyere ndi dibia aka ichota ndi mmadu ndi nwere obi ike .
Olee mgbe MUGA nyochaa ihe bara uru karịa ule ndị ọzọ?
Enwere uru abụọ dị na MUGA maka nyochaa usoro ndị ọzọ (dịka echocardiogram ) iji chọpụta ọrụ obi.
Nke mbụ, LVEF nwetara na nyocha MUGA dị oke ziri ezi, a na-ewerekwa ya dịka ihe ziri ezi karịa nyocha LVEF nke ndị ọzọ na-enweta site na nyocha nke obi.
Nke abụọ, LVEF nke a na-atụle site na ọnụọgụ mmiri nke MUGA bụ nke a na-emepụtaghachi. Nke a pụtara na ọ bụrụ na MUGA nke ụtụtụ na-enyocha ihe dị iche na LVEF, ọdịiche ahụ nwere ike igosipụta mgbanwe n'ezie dịka obi (ọ bụghị ihe dị mkpa nke nkwụsị na-ezighị ezi). Na ule ndị ọzọ, mgbanwe dị na ntụgharị LVEF ugboro ugboro na-adịwanye ukwuu.
Atụmatụ abụọ a na-eme ka nyocha MUGA bara uru karịsịa maka ịchọpụta mgbanwe dị nro na ọrụ obi mmadụ dịka oge.
Otu ihe omuma atu nke mgbe nyochaghachi MUGA ugboro ugboro bara uru ga-abanye n'ime nyochaa ihe onye obi mmadu bu n'obi mgbe o na- aria ogwu maka oria cancer.
Ụfọdụ ndị na-agwọ ọrịa chemotherapeutic ( Adriamycin bụ ndị a ma ama) nwere ike bụrụ ihe na-egbu egbu na obi obi.
Ihe nyocha MUGA bụ ihe ziri ezi ma nwee ike ịmepụta ya iji chọpụta ụzọ aghụghọ, mgbanwe mbụ na mkpụrụ obi obi ike nke usoro ndị ọzọ nwere ike ịhapụ ya. Site n'ịlele LVEF site na nyocha MUGA oge oge, ndị ọkà mmụta ihe banyere akwara nwere ike ikpebi ma ọ ga-adị mma ka ị nọgide na chemotherapy, ma ọ bụ ma a ghaghị ịkwụsị ụfọdụ ọgwụ.
Nkwụsị nke MUGA Scan
Dịka ọ bụla a na-eme nchọpụta nchọpụta ọgwụ, a na-enwe ụfọdụ nzaghachi na nyocha MUGA.
Ebe ọ bụ na nyocha MUGA na-achọ iji ihe redioakpo mee ihe, onye na-ahụ nṅomi a na-egosi obere nzere.
Ọnụego redio metụtara njikọta MUGA bụ ihe dịka 6.2 mSv, nke bụ ihe okpukpu abụọ okpukpu abụọ nke ntanetị mmadụ na-enweta n'otu afọ, na ihe dị ka okpukpu iri nke radieshon nwetara na mammogram .
Ọzọkwa, izi ezi nke LVEF nwetara na ntanaka MUGA na-eme ka ọ ghara ịdị na-ebelata na ndị ọrịa na-enwe obi ụbụrụ obi na-adịghị agbanwe oge, karịsịa na- emepụta ihe na-emepụta ihe .
Ọzọkwa, nyocha MUGA adịghị enye ọtụtụ ihe ọmụma gbasara ọrụ nke eriri afọ, ma ọ bụ na hypertrophy nwere ventricular . Echocardiogram, n'ụzọ dị iche, dị mma maka ị nweta ozi dị ka nke a. Ya mere, maka ọtụtụ ndị nwere nsogbu obi, a ghaghị iji nyocha MUGA jikọta ya na nyocha ndị ọzọ nke mkpụrụ obi iji nweta foto zuru oke dị ka o kwere mee n'ọnọdụ obi mmadụ dum.
> Isi mmalite:
> Hendel RC, Berman DS, Di Carli MF, et al. ACCF / ASNC / ACR / AHA / ASE / SCCT / SCMR / SNM 2009 Nkọwa Kwesịrị Ekwesị maka Cardiac Radionuclide Imaging: Report of the American College of Cardiology Foundation E Kwesịrị Ekwesị Eji Nyocha Task Force, American Society of Nuclear Cardiology, American College of Radiology, Association American Heart Association, American Society of Echocardiography, Society of Cardiovascular Computed Tomography, Society for Card Magnetic Resonance, na Society of Medicine. Akara 2009; 119: e561.