CT kuongorora kuongorora chirwere chetachiona
Overview
MuCononary artery disease (CAD), atherosclerosis inokonzera kubwinya, kutonhora kwepurasitiki yemakrionari kuti ave akaomeswa, akaomeswa uye akawirwa nokuda kwe " mapepa ," ayo akachengeterwa calcium, mafuta uye masero asina kuvhiringidza. Pakati pezvimwe zvinhu, izvi zvinoreva kuti kana iwe une calcium inowanikwa mumaketari ako emakoronary, une zvimwe CAD.
Kwemakore mazhinji, vanachiremba vakaziva kuti dzimwe nyanzvi dzekomputa nyanya (CT) dzinoongorora dzinogona kuona uye dzichienzanisa maronary artery calcium deposits. (Mazita anopiwa kumarudzi akasiyana-siyana evanhu vane mwoyo weC CT anogona kuvhiringidza, asi chero ipi zvayo CT inoshandiswa kuongorora maronic arteri calcium inowanzotaurwa chete se "calcium scan").
Kuedzwa Kwakaita Sei
Kuva ne-calcium scans yakanyanya kufanana neine x-ray. Iwe uchanyarara patafura ye x-ray, waya anonamatira pamapfupa ako kuti anyore ECG uye tafura ichapindira kune scanner. Iwe uchakumbirwa kubata mweya wako kweminiti kana kuti, kuitira kuti mufananidzo wakajeka unogona kuwanikwa. Mifananidzo yakagadzirwa ne-x-ray inozoongororwa nokuda kwe "telltale" mavara matsvuku "anoratidza kuti calcium inowanikwa mumaroto e coronary, uye chiyero che calcium chichatsanangurirwa muchikamu.
Kududzira Chikamu cheCalcium
Nhamba ye calcium inowanikwa mumaroto e coronary inotarirwa maererano nehuwandu hweAgatson, sezvinotevera:
- 0 - hapana chirwere chinozivikanwa
- 1 kusvika 99 - zvirwere zvinyoro
- 100 kusvika ku399 - chirwere chinononoka
- 400 kana kupfuura - chirwere chakakomba
Ushumiri
Pakava nemakakatanwa mazhinji pamusoro peani anofanira kunge ane calcium scans uye kuti mhinduro dzinofanira kushandiswa sei. Iyo nharo yakamuka zvikuru nokuti, pakutanga, vanachiremba vaishandisa kushandisa zvidzidzo izvi kuti varatidze varwere nokuda kweCAD inoparadza; izvo zvinoreva, kubvisa zvikamu zviduku mumatriconary arteries angave achida kubatwa nekugomera .
Icho chinopera, zvisinei, kuti calcium scans haisi yakanyanya kunaka nokuda kwechinangwa ichi. Varwere vakawanda vane high calcium scores havakwanisi kudzivirira - kunyange zvazvo vane CAD yakawanda. Saka kutanga, calcium scans yakatungamirira varwere vakawanda kuti vave necatheterizations yemoyo usina kukodzera, uye apo catheterizations yakaratidza kuti hapana mavhareji anokosha, maitiro e calcium akanga (zvisina kururama) aifungidzirwa kuva "mafungiro enhema."
Nhasi, vanachiremba vanoziva kuti iyo inobatsira zvikuru ye calcium scans haisi kuwana nzvimbo dzakananga dzekuvhara, asi panzvimbo pekutsanangura kuziva kana kwete murwere ane CAD, uye kana zvakadaro, kuenzanisa kuoma kwayo. Idzi ruzivo runogona kubatsira zvikuru pakusarudza kuti kusuruvara kuve sei mukutsvaga njodzi chinoshandiswa.
Ngozi
Chengiro chaiyo chaiyo ye calcium scan ndiyo kusvibiswa kwemahara, iyo inowanikwa neyese x-ray test. Kuwanda kwemazuva ano munhu anogamuchirwa ne calcium scan inosiyana zvishoma zvichienderana nemishoni inoshandiswa, uye usati wabvumirana nechiyero, unofanira kubvunza labhi kuti iwe uchawana huwandu hupi huzhinji hwemhepo huchawana munzvimbo iyoyo. Nhamba yakajeka yemayera ine calcium scan inonzi 2 kusvika 3 mSv (millisievert), iyo yakaenzana nemwedzi inenge 8 kusvika ku12 yemirairo inowanzoitika.
Vadzidzi
Kubatsira kwe calcium kunotaridzika zvikuru kunobva pauwandu hwehutengo hweCAD. Iwe unogona kuverenga nyore nyore yako panjodzi yepamusoro (muzvikamu zvakadzika, zvakatipoteredza kana zvakakwirira) nokupindura mibvunzo shomanana yakajeka. Kufungidzira iwe pachako panjodzi yezvirwere zvemoyo, enda pano .
Vanhu vari munharaunda yakaderera vane mikana yakadaro yekuve netsika yakajeka iyo ikozvino inokurudzirwa kuti havana calcium scanning.
Vanhu vari muhomwe yakakwirira vane mikana yakadaro yokuva nekakisikiti yakanakira iyo yakawanda zvikuru inowanikwa nekuita seni.
Ndivo vanhu vari pakati pevanhu vane ngozi vanogona kubatsirwa nekalcium scans.
Vanhu ava kazhinji vanoita kunge vane utano hwakanaka, kunze kwematambudziko maviri kana matatu ezvirwere zvinogona kunge zviri "borderline" zvisingaiti. Kusarudza kana kuite muhupenyu hutsinye hunochinja kana kutora mitemo kana aspirin prophylactically inogona kuva yakaoma kune vakadaro. Pano, calcium scan inogona kubatsira chaizvo. Kana iyo calcium yepamusoro ichienzanisa kana yakakwirira, iyo inoshandiswa neCAD inenge yavapo uye vanhu ava vanofanira kuzviona sevari kumusoro (uye kwete pakati) ngozi yekurwadziwa kwemoyo . Nhanho dzechisimba zvekukuvadza chimwe chinhu chinoshandiswa chinofanira kutorwa, kazhinji kusanganisira statins ne aspirin. Kune rumwe rutivi, kana calcium chikamu chiri pasi, zvishoma kana kuti kwete CAD inogona kunge iripo uye zvisinganyanyi kurwisa zvinokonzera kuchinja (sekuvandudza mararamiro emararamiro) zvingava zvine musoro. Verenga pano kuti uwane mamwe mashoko pamusoro pekutarisa chirwere chemwoyo chinokonzera ngozi .
Chinhu chakakosha, sezvinoitwa chero muedzo, ndeyekuti kana zvikamu zve calcium scan zvingabatsira mukurapa kurapwa kwako kana mufambiro wako, saka icho chikonzero chakanaka chekufunga kuti uine muedzo uyu. Kana zvisina kudaro, itai.
Sources:
Agatston AS, Janowitz WR, Hildner FJ, et al. Quantification ye coronary artery calcium using ultrafast computed tomography. J Am Coll Cardiol 1990 Mar 15; 15 (4): 827-32
Greenland, P, Bonow, RO, Brundage, BH, et al. ACCF / AHA 2007 chirongwa chechirwere chekubvumirana kwemashoko pamusoro pechironary artery calcium kuongorora nekunyorwa kwakaitwa tomography muhutano hwehutano hwehutano hwepfungwa uye pakuongorora varwere vane kurwadziwa kwepfupa: mushumo weAmerican College yeCardiology Foundation Clinical Expert Consensus Task Force (ACCF / AHA Komiti Yokunyora Kuvandudza Sangano re2002 Consensus Document pamusoro pe Electron Beam Computed Tomography) rakagadzirwa nekubatana neSosaiti yeAtherosclerosis Imaging and Prevention uye Society of Cardiovascular Computed Tomography. J Am Coll Cardiol 2007; 49: 378.
Radiology Kuburitsa mu X-ray Ongororo. Radiologyinfo.com (American College of Radiology uye Radiological Society yeNorth America.