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  • Zožitev arterije presajene ledvice = Renal transplant artery stenosis
    Buturović-Ponikvar, Jadranka
    Renal transplant artery stenosis is a relatively frequent complication of transplantation, with an incidence of up to 23%. Renal arteriography still remains the gold standard for its diagnosis. ... Several imaging techniques are available for screening (duplex-Doppler, nuclear magnetic resonance, spiral computerized tomography) and their use partially depends on the center's experience. Treatment can be conservative (provided that graft perfusion is not jeopardized) or by revascularization (surgical or percutaneous transluminal angioplasty). There are several unresolved questions concerning revascularization of stenosis: Whether and when to intervene? Is stenosis progressive over the long term? Is hypertension alone an indication for angioplasty? How to assess the hemodynamic significance of stenosis? What is significant stenosis - 50%, 60%, 80% or 90%? Is stenosis perhaps also good foranything` In Slovenia, all renal transplant recipients have been regularly screened since 1990 for the presence of stenosis using duplex-Doppler (which is performed by nephrologists), and duplex-Doppler is also performed in the case of graft function deterioration or hypertension. In the majority of patients, stenosis was found to be stable over time (as assessed by regular Doppler, graft function and hypertension controls). Spontaneous regression of stenosis was also observed in some patients. Frequent Doppler assessment of these patients helps us to be more conservative regarding angioplasty and angiography. Deterioration of the graft's functioning (with stenosis diagnosedby Doppler) is the main indication for angiography (and angioplasty).A better definition of significant stenosis and randomized studies comparing conservative treatment vs. angioplasty are warranted. Duplex-Doppler seems to be the ideal screening and follow-up test.
    Vir: Medicinski razgledi. Supplement. - ISSN 0353-3484 (Letn. 42, supl. 2, maj 2003, str. 113-117)
    Vrsta gradiva - prispevek na konferenci
    Leto - 2003
    Jezik - slovenski
    COBISS.SI-ID - 16286169

vir: Medicinski razgledi. Supplement. - ISSN 0353-3484 (Letn. 42, supl. 2, maj 2003, str. 113-117)

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