Kuyeza kwa CT kuti azindikire matenda oopsa a mitsempha
Mwachidule
Mu matenda a mitsempha yotchedwa coronary artery (CAD), matenda a atherosclerosis amachititsa kuti mitsempha yowonongeka ikhale yolimba, yowuma komanso yotupa chifukwa cha " miyala " yomwe ili ndi calcium, mafuta ndi maselo osapsa. Mwa zina, izi zikutanthauza kuti ngati muli ndi calcium m'mitsempha yanu yamakono, muli ndi CAD pang'ono.
Kwa zaka zambiri, madokotala adziwa kuti mapulogalamu ena ovuta kwambiri a kompyuta (CT) amawunikira amatha kudziwa ndi kuyeza ndalama za calcium. (Mayina omwe amaperekedwa ku mitundu yosiyanasiyana ya mtima wa CT akhoza kusokoneza, koma njira iliyonse ya CT yomwe amagwiritsidwa ntchito poyeza kacisium yamtundu wa calcium imatchulidwa kuti "calcium scan").
Mmene Testedwe Imapangidwira
Kukhala ndi calcium scans kuli ngati kukhala ndi x-ray iliyonse. Mudzagona pa tebulo la x-ray, mawaya adzaphatikizidwa pachifuwa chanu kuti alembetse ECG ndipo tebulo idzagwiritsidwa ntchito kwa scanner. Mudzafunsidwa kuti mupange mpweya wanu kwa mphindi imodzi, kotero kuti chithunzi chowoneka chikhoza kupezeka. Zotsatira za kompyuta ya x-ray zidzafufuzidwa chifukwa cha "malo oyera" omwe amasonyeza kuti calcium imayikidwa m'mitsempha yamakono, ndipo calciumyo idzayankhidwa kuti ikhale yochuluka.
Kutanthauzira Chiwerengero cha Calcium
Ndalama ya calcium yomwe ilipo mitsempha yamakono imatengedwa molingana ndi kukula kwa Agatson, motere:
- 0 - palibe matenda owoneka
- 1 mpaka 99 - matenda ochepa
- 100 mpaka 399 - matenda oyenera
- 400 kapena apamwamba - matenda aakulu
Ntchito
Pakhala pali kutsutsana kwakukulu ponena za amene ayenera kukhala ndi calcium zofufuza ndi momwe zotsatira ziyenera kugwiritsiridwa ntchito. Kusiyana kunayambitsa makamaka chifukwa, pachiyambi, madotolo amayesa kugwiritsa ntchito zojambulazo kuti asamalidwe odwala chifukwa cha CAD yolepheretsa; kutanthauza kuti, chifukwa cha mitsempha yochepa mu mitsempha ya mitsempha yomwe ingafunikire kuchitidwa ndi kupweteka .
Komabe, zizindikiro za calcium sizinapindulitse cholinga chimenechi. Odwala ambiri omwe ali ndi ma kalsiamu ambiri samakhala ndi zifukwa zazikulu - ngakhale ali ndi CAD yaikulu. Kuyambira nthawi yomweyo, calcium yowonongeka inachititsa odwala ambiri kukhala ndi catheterizations wamtima , ndipo pamene catheterizations sinawonetseke kuti palibenso zofunikira kwambiri, zizindikiro za calcium zinali (zabodza) zomwe zinali ngati "zonyenga."
Masiku ano, madokotala amadziwa kuti kupindula kwakukulu kwa calcium kuyang'ana sikutulukira malo enaake okhudzidwa, koma m'malo mwake amadziwa ngati wodwala ali ndi CAD kapena ayi, kuti atsimikizire kuuma kwake. Zambirizi zingakhale zothandiza pozindikira momwe zimakhalira zovuta kuti zikhale zovuta kusintha.
Ngozi
Chowopsa chenichenicho chokhazikitsidwa ndi kashiamu ndikutulukira kwa ma radiation, omwe amapezeka ndi mayesero aliwonse a x-ray. Kuchuluka kwa mankhwala omwe munthu amapatsidwa ndi kansa ya kashiamu kumasiyanasiyana pang'onopang'ono pogwiritsa ntchito zipangizo zomwe zimagwiritsidwa ntchito, ndipo musanavomereze mayesero, muyenera kufunsa labu momwe mungapeze malo omwe mumakhala nawo. Miyeso yambiri yokhudzana ndi kashiamu ndi 2 mpaka 3 mSv (millisievert), yomwe ikufanana ndi miyezi 8 mpaka 12 yomwe imakhala ndi mazira.
Olemba
Kothandiza kashiamu kumayendera makamaka kudera lanu la chiopsezo cha CAD. Mukhoza kulingalira mosavuta chiwopsezo chanu (m'magulu otsika, pakati kapena apamwamba) poyankha mafunso ophweka. Kuti muone ngati muli ndi vuto la matenda a mtima, pitani kuno .
Anthu omwe ali pachiopsezo chotsika kwambiri amakhala ndi mwayi wotsika kwambiri kuti akuwonetseratu kuti alibe calcium.
Anthu omwe ali pachiopsezo chachikulu amakhala ndi mwayi wotenga kansalu yowonongeka yomwe imakhala yochepa kwambiri.
Ndi anthu omwe ali pangozi omwe angapindule ndi kashiamu.
Anthuwa nthawi zambiri amawoneka kuti ali ndi thanzi labwino, kupatulapo zifukwa ziwiri kapena zitatu zomwe zingawoneke ngati "borderline" zachilendo. Kusankha ngati kuchita zinthu zamanyazi kusintha kapena kutenga mavitamini kapena aspirin prophylactically kungakhale kovuta kwa anthu oterowo. Pano, kansalu ya calcium ikhoza kukhala yothandiza kwambiri. Ngati chiwerengero cha calcium ndi chokwanira kapena chapamwamba, ndiye kuti CAD yogwira ntchito yayamba kale ndipo anthuwa ayenera kudziona kuti ali pamsinkhu wamtundu wapamwamba (osati pakati). Njira zowonongeka zowonongeka ziyenera kutengedwa, nthawi zambiri kuphatikizapo statins ndi aspirin. Komabe, ngati phindu la calcium ndi lochepa, ndiye kuti CAD pang'ono kapena ayi sitingathe kukhalapo ndipo kusinthika kwakukulu kovuta kusintha (monga kusintha moyo wosankha) kungakhale koyenera. Werengani pano kuti mudziwe zambiri zokhudza kulamulira matenda a mtima .
Chofunika kwambiri, monga ndi mayesero alionse, ndi chakuti ngati zotsatira za kansalu ya calcium zingakhale zothandizira kutsata mankhwala kapena khalidwe lanu, ndiye lingaliro loyenera kulingalira kuti muli ndi mayeso. Apo ayi, tumizani izo.
Zotsatira:
Agatston AS, Janowitz WR, Hildner FJ, et al. Chiwerengero cha coronary artery calcium pogwiritsa ntchito 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 katswiri wogwirizana ndi chidziwitso cha katswiri wa calcium wamtundu wa coronary artery ndi chiwerengero cha tomography mu kuunika kwa mtima kwa anthu onse pamtima komanso pofufuza odwala omwe ali ndi kupweteka pachifuwa: lipoti la American College of Cardiology Foundation Clinical Expert Consensus Task Force (Komiti ya ACCF / AHA Yolemba Kukonzanso Chidziwitso cha Asayansi a 2000 pa Electron Beam Computed Tomography) chinagwirizana mogwirizana ndi Society of Atherosclerosis Imaging and Prevention ndi Society of Cardiovascular Computed Tomography. J Am Coll Cardiol 2007; 49: 378.
Kafukufuku wa Ma Radiology pa Ma X X ray. Radiologyinfo.com (American College of Radiology ndi Radiological Society ya North America.