CORONARYARTERY CALCIFICATION IN PATIENTS UNDERGOING RENALREPLACEMENT THERAPIES
Journal Name:
- İstanbul Tıp Fakültesi Dergisi
Key Words:
Keywords (Original Language):
Author Name | University of Author | Faculty of Author |
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Abstract (2. Language):
Objective: Cardiovascular disease (CVD) is a common cause of morbidity and mortality both in patients undergoing
dialysis and in transplant recipients. The presence of calcified coronary lesions, as can be determined and quantified
by electron-beam computed tomography (EBCT), is closely correlated with the extent and severity of angiographically
documented atherosclerotic lesions. In the present study, coronary artery calcifications (CAC) were
measured and compared in hemodialysis (HD) patients and in transplant recipients and their correlation with other
patient characteristics was assesed.
Materials and methods: Twenty-three (13 males, 10 females; mean age: 47.1±12.3 years) patients on chronic HD
therapy and 15 (9 males, 6 females; mean age: 36.3±10.0 years) transplant recipients were included in the study.
Traditional risk factors of CVD, serum calcium, phosphorus, and calcium-phosphorus ion product, duration of renal
replacement therapy, and quantification of CAC were measured.
Results: Chronic HD patients had significantly higher levels of age, serum phosphorus, serum calcium-phosphorus
ion products, total cholesterol, CAC scores and had higher frequency of smoking compared to the transplant recipients.
However, hypertension and serum HDL-cholesterol levels were significantly low in this group. Moreover,
CAC scores correlated with serum phosphorus and calcium-phosphorus ion products (r=0.511, P=0.013) in HD patients.
Conclusions: High CAC and elevated serum calcium-phosphorus product in the patients on chronic HD seems to
be associated with the development of coronary artery calcification in these patients.
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Abstract (Original Language):
Amaç: Diyalize giren ve renal transplantasyon geçiren hasta gruplar›nda kardiyovasküler hastal›klar mortalite ve
morbiditenin en s›k nedenidir. Elektron-beam bilgisayarl› tomografi (EBBT) ile ölçülen kalsifiye koroner lezyonlar›
anjiografik olarak belgelenmifl aterosklerotik lezyonlar›n fliddeti ve tutulumu ile koreledir. Bu çal›flmada hemodiyalize
giren ve renal replasman geçiren hastalarda EBBT ile koroner arter kalsifikasyon skorunun (KAKS) saptanmas›
ve KAKS de¤erlerinin hemodiyaliz ve transplantasyon gruplar› aras›nda karfl›laflt›r›lmas› ve di¤er hasta
özellikleri ile korelasyonunun araflt›r›lmas› amaçland›.
Gereç ve yöntem: Kronik hemodiyaliz tedavisinde olan 23 hasta (13 erkek, 10 kad›n; ortalama yafl: 47,1±12,3 y›l)
ve renal replasman tedavisi uygulanm›fl 15 hasta (9 erkek, 6 kad›n; ortalama yafl: 36,3±10,0 y›l) çal›flmaya al›nd›.
Kardiyovasküler hastal›klar için geleneksel risk faktörleri, serum kalsiyum, fosfor ve kalsiyum-fosfor çarp›m›, renal
replasman tedavi süresi ve KAKS ölçüldü.
Bulgular: Kronik hemodiyaliz hastalar›nda yafl, serum fosfor, kalsiyum-fosfor çarp›m›, total kolesterol, KAKS ve
sigara kullananlar›n oran› renal replasman tedavisinde olanlardan anlaml› olarak daha yüksekti. Bununla birlikte,
bu grupta hipertansif olanlar›n oran› ve serum HDL kolesterol düzeyi anlaml› olarak daha düflük saptand›. Yine hemodiyaliz
hastalar›ndaki KAKS, serum fosfor ve kalsiyum-fosfor çarp›m› ile korele idi (r=0,511, P=0,013). Sonuç: Bu çal›flman›n sonuçlar›na göre kronik hemodiyaliz hastalar›nda koroner arter kalsifikasyon gelifliminden
kalsiyum-fosfor çarp›m› yüksekli¤i sorumlu görünmektedir
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