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  • Title: [Cardiac failure and diastolic disfunction in hemodialysis patients: associated factors].
    Author: Salgueira M, Milan JA, Moreno Alba R, Amor J, Aresté N, Jiménez E, Palma A.
    Journal: Nefrologia; 2005; 25(6):668-77. PubMed ID: 16514908.
    Abstract:
    UNLABELLED: Heart failure (CHF) and diastolic dysfuction (DD) relationship has received poor attention in hemodialysis patients (HD). OBJECTIVE: To analyse the incidence of CHF in our HD patients, the relationship with DD and impact on mortality. METHODS: We studied 79 patients: 48 +/- 15 years old, mean time on HD 83 +/- 63 months. Vascular calcification (PVC) was evaluated by radiologic series (55.7%). We analyzed the presence of clinical and analytical cardiovascular factors. All patients underwent M-mode, two-dimensional, Doppler echocardiography. Patients were followed for two years. Clinical information collected: incidence of ischemic heart disease (IHD), CHF, and mortality due to cardiovascular events. RESULTS: Most frequent finding was Left Ventricular Hypertrophy (LVH) (93%), followed by DD (63.5% had anormal LV relaxation) (ALVR). Incidence of CHF was 38.3%; and was significantly associated with higher: time on HD (130/72 months), Ca x P (74/65), PTH (677/376), bone alkaline phosphatase (27/16), and systolic BP (145 vs 130 mmHg); IHD, PVC, valvular calcification (VC), LVH and ALVR (p < 0.01). Systolic function was normal in both groups (with/without CHF). Logistic regression identified as risk factors for CHF: ALVR (OR: 9.5), IHD (OR: 15) and systolic BP (OR: 2.2). ALVR was associated with greater age (55/37), longer time on HD (76/60), PVC and VC (p < 0.001). Predictor factors identified were age (OR: 2.13) and PVC (OR: 3.9). CONCLUSIONS: HD patients showed a high incidence of CHF. IHD, systolic BP and DD (ALVR) have behave as risk factors for CHF. Vascular calcifications were intimately related to these findings and, therefore, they contribute to the greater mortality of these patients.
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