{"id":36324,"date":"2017-03-30T16:19:24","date_gmt":"2017-03-30T16:19:24","guid":{"rendered":"http:\/\/humanitas.local\/diseases\/stenoza-arterei-renale\/"},"modified":"2017-03-30T16:19:24","modified_gmt":"2017-03-30T16:19:24","slug":"stenoza-arterei-renale","status":"publish","type":"disease","link":"https:\/\/www.humanitas.net\/ro\/diseases\/stenoza-arterei-renale\/","title":{"rendered":"Stenoza arterei renale"},"content":{"rendered":"

Stenoza arterei renale<\/strong><\/h2>\n

 <\/p>\n

Stenoza arterei renale reprezint\u0103 îngustarea uneia sau a ambelor artere renale, care transport\u0103 sânge la rinichi, lucru care previne ajungerea la rinichi a unor cantit\u0103\u021bi normale de sânge bogat în oxigen. Rinichii au nevoie de un flux sanguin adecvat pentru a ajuta la filtrarea de de\u0219euri \u0219i de a elimina excesul de lichide. Fluxul sanguin redus poate cre\u0219te tensiunea arterial\u0103 \u0219i s\u0103 r\u0103neasc\u0103 \u021besutul rinichilor.<\/p>\n

Aceasta este cel mai adesea cauzat\u0103 de ateroscleroz\u0103 sau displazie fibro-muscular\u0103.<\/p>\n

 <\/p>\n

Simptome<\/strong><\/h2>\n

În general, stenoza arterei renale este asimptomatic\u0103 \u0219i nu este asociat\u0103 cu nici un fel de simptome evidente sau specifice. Semne suspecte pentru stenoza arterei renale includ:<\/p>\n

    \n
  • tensiune arterial\u0103 ridicat\u0103, care este extrem de greu de controlat \u0219i raspunde slab la tratament;<\/li>\n
  • tensiune arterial\u0103 ridicat\u0103 sever\u0103, care se dezvolt\u0103 înainte de vârsta de 30 de ani sau mai mare de 50 de ani, care a fost anterior bine controlat\u0103;<\/li>\n
  • g\u0103sirea accidental\u0103 a unui rinichi mai mic decât dimenisunea normal\u0103 a acestuia comparativ cu cel de pe cealalt\u0103 parte;<\/li>\n
  • deteriorarea func\u021biei renale, care se poate dezvolta în cazul în care ambii rinichi nu primesc fluxul sanguin adecvat, sau atunci când se ini\u021biaz\u0103 tratamentul cu un inhibitor al ECA.<\/li>\n<\/ul>\n

    În mod tipic, stenoza unilateral\u0103 de arter\u0103 renal\u0103 poate fi legat\u0103 de tensiunea arterial\u0103 ridicat\u0103 în timp ce stenoza bilateral\u0103 a arterelor renale este mai frecvent corelat\u0103 cu func\u021bia renal\u0103 diminuat\u0103.<\/p>\n

     <\/p>\n

    Cauze<\/strong><\/h2>\n

    Ateroscleroza este cauza predominant\u0103 a stenozei arterei renale la majoritatea pacien\u021bilor, de obicei, cele cu un debut brusc al hipertensiunii arteriale la vârsta de 50 ani sau mai mult. Ateroscleroza este un proces în care pl\u0103cile formate din gr\u0103simi, colesterol \u0219i alte materiale se depun pe pere\u021bii vaselor de sânge, inclusiv cele care duc la rinichi.<\/p>\n

    Mai rar, stenoza arterei renale poate fi cauzat\u0103 de o afec\u021biune numit\u0103 displazie fibromuscular\u0103, în care celulele din peretii arterelor sunt supuse cre\u0219terii anormale. Mai frecvent acestea pot fi observate la femeile \u0219i persoanele mai tinere, displazia fibromuscular\u0103 are poten\u021bial de vindecare.<\/p>\n

     <\/p>\n

    Factori de risc<\/strong><\/h2>\n

    Stenoza arterei renale este adesea g\u0103sit\u0103 accidental la pacien\u021bii care sunt în curs de examin\u0103ri pentru un alt motiv. Factorii de risc includ:<\/p>\n

      \n
    • vârst\u0103 mai înaintat\u0103;<\/li>\n
    • sexul feminin;<\/li>\n
    • având hipertensiune;<\/li>\n
    • având alte boli vasculare;<\/li>\n
    • având boli cronice de rinichi;<\/li>\n
    • avand nivel ridicat de colesterol;<\/li>\n
    • având diabet zaharat;<\/li>\n
    • folosind tutun;<\/li>\n
    • având un nivel de colesterol anormal<\/li>\n<\/ul>\n","protected":false},"author":9,"featured_media":0,"template":"","yoast_head":"\nStenoza arterei renale - Humanitas.net<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.humanitas.net\/ro\/diseases\/stenoza-arterei-renale\/\" \/>\n<meta property=\"og:locale\" content=\"ro_RO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Stenoza arterei renale - Humanitas.net\" \/>\n<meta property=\"og:description\" content=\"Stenoza arterei renale   Stenoza arterei renale reprezint\u0103 îngustarea uneia sau a ambelor artere renale, care transport\u0103 sânge la rinichi, lucru care previne ajungerea la rinichi a unor cantit\u0103\u021bi normale de sânge bogat în oxigen. 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