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SEMPTOMSUZ MİYOKARD İSKEMİSİ VE İNFARKTÜSÜNÜN ERKEN TANISINDA ÇOK KESİTLİ BİLGİSAYARLI TOMOGRAFİK KORONER ANJİYOGRAFİNİN YERİ VE ÖNEMİ: (UZUN DÖNEM TAKİP EDİLEN İKİ OLGU NEDENİYLE)

IMPORTANCE OF MULTISLICE COMPUTED TOMOGRAPHY FOR THE DIAGNOSIS OF SILENT ISCHEMIA AND MYOCARDIAL INFARCTION: TWO CASE REPORTS

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Abstract (2. Language): 
Multislice computed tomography (MSCT) is an important tool for the noninvasive evaluation, intervention and cure of coronary disease. We have presented here the assessment of a coronary artery disease in a 85 years old man and another 59 years old man, using a MSCT. First patient was admitted to the Cardiology Department with exercise dispnea, and palpitation from time to time spending for about last one month. His ECG and Exercise ECG were normal (Figure 1). To the patient who is a medical doctor denying directly coronary angiography (CA), so CMST technique was performed (Figure 2); severe coronary artery stenosis (%95) at middle segment of LAD was detected. Single coronary artery lesion (LAD) was detected by CA. (Figure 3). Percutaneous coronary intervention was performed for LAD lesion and drug-eluting stent was implanted after balloon predilatation (Figure 4,5). The patient was examineted routinely and in the three mounthly periods time. He was asymptomatic at the end of the 4 years of the procedure. Second patient was admitted with trivial sore throat together with minimal diaphoresis during rest and with elevated cardiac enzymes. His ECG (Figure 6) was normal. In the MSCT-Fig.7, completely total occlusion in the Cx, critical stenosis of LAD arteries. His invasive CA was completely parallel to the MSCT (Figu8). Drug-eluting stents were implanted these two lesions in the same prosedure. This patient also was asymptomatic at the end of the 3 years of the procedure. We conclude that, MSCT is very important divice for silent ischemia and asymthomatic acute myocardial infarction
Abstract (Original Language): 
Çok kesitli bilgisayarlı tomografi (ÇKBT-MSCT), koroner arter hastalığının tanısında ve tedavisinde kansız bir tanı aracı olarak dikkat çekici bir konuma gelmiştir. Bu yazıda koroner arter hastalığı olan 85 yaşında sessiz miyokard iskemili bir olgu ve 59 yaşında sessiz (semptomsuz) subakut posterior miyokard infarktüsü geçiren başka bir olgunun ÇKBT ve invasiv girişimle tanı ve tedavileri sonrası uzun dönem takipleri sunulmuştur. Birinci hasta, ilk defa eforla ortaya çıkan nefes darlığı ve çarpıntı ile başvurmuştu. Hastanın EKG ve maksimal efor testi normal olarak saptandı. Angina ekivalanı olarak düşünülen bulguları nedeniyle hastaya koroner arteriyografi (KA) önerildi. Direkt koroner anjiyografi yaptırmayı kabul etmeyen hastamıza uygulanan ÇKBT yöntemiyle, LAD arterin orta segmentinde ileri derecede (%95) stenoz oluşturan, lümeni daraltan, soft, “vulnerable” aterom plağı saptandı. Bu kansız tetkik, hastamızın koroner anjiyografi ve intra koroner stent grişimi yapılmasına razı olmasını sağlamış ve bu tehlikeli lezyona konulacak stentin tipi ve ölçülerinin tayinine girişimden önce kılavuzluk etmiştir. Hastamızın, girişimden sonraki üçer aylık aralarla yapılan rutin kontrollerinde 4. yılında hiçbir şikâyetinin bulunmadığı görülmüştür. İkinci hastamızın, istirahat halinde iken, ensesinde terlemenin eşlik ettiği nazofarenksinde hafif yanma hissi şikayeti olmuş, kan biyokimyasında tesadüfen saptanan kalp enzimlerinin yüksekliği nedeniyle, Kliniğimize yönlendirilmişti. KA yi invaziv oluşu nedeniyle istemeyen bu hastamızda da, ÇKBT sol sirkumfleksin proksimalden itibaren tam tıkanıklık ve LAD arterin ortasında kritik stenoz gösterdi. Bu kansız yöntem (ÇKBT) tanı ve tedavide kesin karar verdirici olup, klasik KA ve intra koroner girişim yapılmasında, hastanın olurunun alınmasında ikna edici olmuş ve intra koroner stent girişiminde Cx artere öncelik tanınması açısından da girişimimize kılavuzluk etmiştir.
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