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  • Title: Blood pressure profile and treatment quality in liver allograft recipients-benefit of tacrolimus versus cyclosporine.
    Author: Dikow R, Degenhard M, Kraus T, Sauer P, Schemmer P, Uhl W, Büchler M, Zeier M.
    Journal: Transplant Proc; 2004 Jun; 36(5):1512-5. PubMed ID: 15251373.
    Abstract:
    Organ transplant recipients display a high cardiovascular mortality rate. The type of immunosuppression has a major impact on cardiovascular risk factors (e.g., hypertension [HTN]). We assessed 24-hour blood pressure (BP) and metabolic profiles in a cohort of 106 long-term liver allograft recipients treated with either tacrolimus (Tac) or cyclosporine (CyA). The median age of patients was 50.8 years (range, 11 to 77) and the median time of follow-up was 65.4 months (ranges 12 to 168). Immunosuppression included low-dose steroids and either Tac (n = 46) or CyA (n = 60). Twenty-four-hour BP measurements revealed a significant difference in systolic BP (127.1 mmHg [94 to 163] Tac versus 132.7 mmHg [103 to 177] CyA; P <.03), and in mean arterial and diastolic blood pressures. In addition, the relative number of normotensive patients was significantly higher among Tac-treated patients (69.6% versus 34.8%). It is of note that the true incidence of HTN was higher after the number of patients with a pathological 24-h BP measurement was added to the initial number of patients already known to have HTN. No less than 76.4% of all long-term liver transplanted patients showed HTN. The results were unrelated to cumulative steroid dosage, frequency of antirejection therapy or underlying primary liver disease. In summary, immunosuppression-induced HTN is more common in CyA-treated than Tac-based regimens. Moreover, we found a substantial lack of detection of HTN in long-term liver transplant patients who received an insufficient quality of antihypertensive treatment. These findings have implications for the early diagnosis and treatment of HTN in liver transplant recipients.
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