{"id":26720,"date":"2025-06-24T14:18:59","date_gmt":"2025-06-24T12:18:59","guid":{"rendered":"https:\/\/www.clinica-sante.com\/ro\/analize-fara-categorie\/nt-probnp\/"},"modified":"2026-01-05T19:00:33","modified_gmt":"2026-01-05T17:00:33","slug":"nt-probnp","status":"publish","type":"product","link":"https:\/\/www.clinica-sante.com\/ro\/analize-imunologie\/nt-probnp\/","title":{"rendered":"NT-proBNP"},"content":{"rendered":"<p><strong>1.\tDescriere general\u0103<\/strong><\/p>\n<\/p>\n<p>NT-proBNP (N-terminal pro-B-type natriuretic peptide) este un biomarker cardiac eliberat \u00een s\u00e2nge de celulele musculare ale inimii atunci c\u00e2nd acestea sunt supuse unui stres sau unei presiuni crescute (de exemplu, c\u00e2nd inima pompeaz\u0103 mai greu s\u00e2ngele). <\/p>\n<\/p>\n<p>Aceast\u0103 substan\u021b\u0103 deriv\u0103 din prohormonul pro-BNP, care este desp\u0103r\u021bit \u00een dou\u0103 fragmente:<\/p>\n<ul>\n<li>BNP (B-type natriuretic peptide) \u2013 forma activ\u0103, cu efecte biologice directe: determin\u0103 relaxarea vaselor de s\u00e2nge, cre\u0219te eliminarea apei \u0219i a s\u0103rii prin urin\u0103 \u0219i reduce astfel \u00eenc\u0103rcarea inimii.<\/li>\n<li>NT-proBNP \u2013 forma inactiv\u0103, dar mai stabil\u0103 \u00een circula\u021bie, ceea ce \u00eel face un marker mai fiabil pentru evaluarea insuficien\u021bei cardiace.<\/li>\n<\/ul>\n<p>Atunci c\u00e2nd inima nu func\u021bioneaz\u0103 corespunz\u0103tor, valorile NT-proBNP cresc semnificativ. De aceea, testul este recomandat de ghidurile cardiologice interna\u021bionale (ESC, AHA) pentru diagnostic, monitorizarea r\u0103spunsului la tratament \u0219i stratificarea riscului la pacien\u021bii cu insuficien\u021b\u0103 cardiac\u0103. \u00cen plus, ajut\u0103 medicul s\u0103 diferen\u021bieze \u00eentre insuficien\u021ba cardiac\u0103 \u0219i alte cauze ale simptomelor respiratorii, precum bolile pulmonare. <\/p>\n<p>Este important de men\u021bionat c\u0103 NT-proBNP nu arat\u0103 tipul exact de insuficien\u021b\u0103 cardiac\u0103 (cu frac\u021bie de ejec\u021bie redus\u0103 vs. p\u0103strat\u0103). De aceea, rezultatul trebuie corelat cu alte investiga\u021bii, \u00een special cu ecocardiografia, pentru o evaluare complet\u0103 a func\u021biei inimii.<\/p>\n<\/p>\n<p><strong>2.\tIndica\u021bii testare<\/strong><\/p>\n<ul>\n<li>Diagnosticarea insuficien\u021bei cardiace acute sau cronice<\/li>\n<li>Diferen\u021bierea cauzelor dispneei (cardiac\u0103 vs. pulmonar\u0103)<\/li>\n<li>Monitorizarea r\u0103spunsului la tratamentul insuficien\u021bei cardiace<\/li>\n<li>Stratificarea riscului \u0219i estimarea prognosticului la pacien\u021bi cu afec\u021biuni cardiace<\/li>\n<li>Evaluarea pacien\u021bilor cu factori de risc cardiovascular major<\/li>\n<\/ul>\n<p><strong>3.\tPreg\u0103tire pacient \u0219i mod de recoltare<\/strong><\/p>\n<p>Nu necesit\u0103 preg\u0103tire special\u0103. Recoltarea se face din s\u00e2nge venos, preferabil diminea\u021ba, \u00een repaus. Pacientul poate m\u00e2nca \u00eenainte de recoltare, dac\u0103 nu exist\u0103 alte indica\u021bii medicale.<\/p>\n<p>Tipul probei recoltate : S\u00e2nge venos.<\/p>\n<\/p>\n<p><strong>4.\tValori de referin\u021b\u0103<\/strong> <\/p>\n<p>Valorile prag pot varia \u00een func\u021bie de laborator. \u00een general, valorile normale sunt:<\/p>\n<ul>\n<li> &lt; 50 ani: &lt; 450 pg\/mL<\/li>\n<li>50\u201375 ani: &lt; 900 pg\/mL<\/li>\n<li>&gt; 75 ani: &lt; 1800 pg\/mL<\/li>\n<\/ul>\n<p>\u00cen context acut, valori mai mici de 300 pg\/mL fac pu\u021bin probabil diagnosticul de insuficien\u021b\u0103 cardiac\u0103.<\/p>\n<\/p>\n<p><strong>5.\tInterpretare rezultate<\/strong><\/p>\n<\/p>\n<p><strong>Valori crescute:<\/strong><\/p>\n<ul>\n<li>Insuficien\u021b\u0103 cardiac\u0103 acut\u0103 sau cronic\u0103<\/li>\n<li>Disfunc\u021bie ventricular\u0103 st\u00e2ng\u0103<\/li>\n<li>Afec\u021biuni valvulare cardiace<\/li>\n<li>Tahiaritmii persistente<\/li>\n<li>Embolie pulmonar\u0103, hipertensiune pulmonar\u0103<\/li>\n<li>Boli renale cronice<\/li>\n<\/ul>\n<p><strong>Valori sc\u0103zute:<\/strong><\/p>\n<p>De obicei f\u0103r\u0103 semnifica\u021bie clinic\u0103, dar pot ap\u0103rea la pacien\u021bi cu obezitate, masc\u00e2nd prezen\u021ba insuficien\u021bei cardiace<\/p>\n<\/p>\n<p><strong>6.\tFactori care pot influen\u021ba rezultatul<\/strong><\/p>\n<ul>\n<li>Fiziologici: cre\u0219terea valorilor odat\u0103 cu v\u00e2rsta; niveluri u\u0219or mai mari la femei<\/li>\n<li>Patologici: insuficien\u021ba renal\u0103 (cre\u0219te NT-proBNP), obezitatea (scade NT-proBNP)<\/li>\n<li>Medicamente: diuretice, inhibitori ai enzimei de conversie, beta-blocante \u2013 pot reduce valorile odat\u0103 cu \u00eembun\u0103t\u0103\u021birea func\u021biei cardiace<\/li>\n<\/ul>\n<p><strong>7.\tAnalize complementare<\/strong><\/p>\n<ul>\n<li>Ecocardiografie<\/li>\n<li>Electrocardiogram\u0103 (ECG)<\/li>\n<li>Troponin\u0103 cardiac\u0103<\/li>\n<li>Radiografie toracic\u0103<\/li>\n<li>Analize de func\u021bie renal\u0103<\/li>\n<\/ul><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Testul m\u0103soar\u0103 fragmentul NT-proBNP eliberat de celulele musculare cardiace \u00een contextul stresului miocardic. Este recomandat \u00een diagnosticul \u0219i monitorizarea insuficien\u021bei cardiace, dar \u0219i pentru evaluarea prognosticului la pacien\u021bii cu dispnee sau boli cardiovasculare cronice.<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"_acf_changed":false,"inline_featured_image":false},"product_brand":[],"product_cat":[1209,3180,2876],"product_tag":[3325,3328,3329,3327,3324,3326,3323],"class_list":{"0":"post-26720","1":"product","2":"type-product","3":"status-publish","5":"product_cat-analize","6":"product_cat-imunologie","7":"product_cat-serviciu-laborator","8":"product_tag-biomarker-cardiac","9":"product_tag-bnp","10":"product_tag-dispnee","11":"product_tag-functie-cardiaca","12":"product_tag-insuficienta-cardiaca","13":"product_tag-n-terminal-pro-b-type-natriuretic-peptide","14":"product_tag-nt-probnp","15":"pa_conditii-medicale-afecti-boala-coronariana-cardiopatie-ischemica-angina-infarct","16":"pa_conditii-medicale-afecti-insuficienta-cardiaca","18":"first","19":"instock","20":"sale","21":"virtual","22":"purchasable","23":"product-type-simple"},"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.clinica-sante.com\/ro\/wp-json\/wp\/v2\/product\/26720","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.clinica-sante.com\/ro\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.clinica-sante.com\/ro\/wp-json\/wp\/v2\/types\/product"}],"wp:attachment":[{"href":"https:\/\/www.clinica-sante.com\/ro\/wp-json\/wp\/v2\/media?parent=26720"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.clinica-sante.com\/ro\/wp-json\/wp\/v2\/product_brand?post=26720"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.clinica-sante.com\/ro\/wp-json\/wp\/v2\/product_cat?post=26720"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.clinica-sante.com\/ro\/wp-json\/wp\/v2\/product_tag?post=26720"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}