{"id":209,"date":"2025-06-11T12:14:56","date_gmt":"2025-06-11T12:14:56","guid":{"rendered":"https:\/\/analizesanocare.ro\/?post_type=product&#038;p=209"},"modified":"2025-08-08T13:57:52","modified_gmt":"2025-08-08T13:57:52","slug":"citrat-urinar","status":"publish","type":"product","link":"https:\/\/analizesanocare.ro\/en\/analiz\u0103\/citrat-urinar\/","title":{"rendered":"Citrat urinar"},"content":{"rendered":"<div class=\"info-content content-informatii-generale\">\n<h2><strong>Informa\u0163ii generale<\/strong><strong> Citrat urinar<\/strong><\/h2>\n<p>Citratul urinar reprezint\u0103 un inhibitor major al form\u0103rii calculilor renali, \u00een principal datorit\u0103 leg\u0103rii<a href=\"https:\/\/www.synevo.ro\/shop\/calciu-urinar\/\" data-wpel-link=\"internal\"> calciului \u00een urin\u0103<\/a>. Astfel, nivelurile sc\u0103zute ale citratului urinar sunt considerate un factor de risc pentru\u00a0 formarea calculilor renali.<\/p>\n<p>Anomaliile metabolice severe sunt asociate cu un nivel sc\u0103zut de citrat urinar. Orice condi\u0163ie \u00eenso\u0163it\u0103 de\u00a0sc\u0103derea pH-ului la nivel tubular renal sau intracelular poate determina diminuarea citratului (ex. acidoza metabolic\u0103, ingestia crescut\u0103 de produse acide, hipopotasemia sau hipomagneziemia).<\/p>\n<p>Nivelurile sc\u0103zute de citrat urinar favorizeaz\u0103 dezvoltarea calculilor renali \u015fi necesit\u0103 terapie de corectare a acidozei, hipopotasemiei sau hipomagneziemiei asociate, modificarea dietei sau administrarea unor medicamente (citrat de potasiu)<sup>1;4<\/sup>.<\/p>\n<h2><strong>Recomand\u0103ri pentru determinarea citratului urinar<\/strong><\/h2>\n<ul>\n<li>evaluarea factorilor de risc la pacien\u0163ii care prezint\u0103 litiaz\u0103 renal\u0103 calcic\u0103;<\/li>\n<li>monitorizarea eficien\u0163ei terapiei la pacien\u0163ii cu litiaz\u0103 renal\u0103 sau acidoz\u0103 tubular\u0103 renal\u0103<sup>2<\/sup>.<strong>\u00a0<\/strong><\/li>\n<\/ul>\n<p><strong>Specimen recoltat<\/strong> \u2013 urina din 24 ore: la ora 7 diminea\u0163a pacientul urineaz\u0103 \u015fi nu re\u0163ine aceast\u0103 urin\u0103; apoi colecteaz\u0103 \u00eentr-un vas curat de 2-3 litri toate emisiunile de urin\u0103 p\u00e2n\u0103 la ora 7 diminea\u0163a \u00een ziua urm\u0103toare, inclusiv; omogenizeaz\u0103 (prin agitare) urina recoltat\u0103; m\u0103soar\u0103 \u00eentreaga cantitate; re\u0163ine aproximativ 20 ml, \u00een pahar de plastic de unic\u0103 folosin\u0163\u0103 pentru urin\u0103; proba se \u0163ine la 2- 8\u00b0C \u00een timpul colect\u0103rii \u015fi ulterior, p\u00e2n\u0103 se lucreaz\u0103 efectiv<sup>2<\/sup>.<strong>\u00a0<\/strong><\/p>\n<p><strong>Recipient de recoltare<\/strong> \u2013 vas de 2-3 litri \u015fi pahar de plastic de unic\u0103 folosin\u0163\u0103 pentru urin\u0103, pe care se noteaz\u0103 cantitatea total\u0103 de urin\u0103 din 24 ore<sup>2<\/sup>.<strong>\u00a0<\/strong><\/p>\n<p><strong>Volum optim prob\u0103 <\/strong>\u2013 10 mL<sup>2<\/sup>.<\/p>\n<p><strong>Cauze de respingere a probei<\/strong> \u2013 recipient de urin\u0103 men\u0163inut la temperatura camerei<sup>2<\/sup>.<\/p>\n<p><strong>Prelucrare necesar\u0103 dup\u0103 recoltare<\/strong> \u2013 este de preferat s\u0103 se lucreze imediat; dac\u0103 acest lucru nu este posibil, proba se pastreaza la 2-8 \u00b0C, dup\u0103 ce \u00een prealabil se adaug\u0103 cateva picaturi de acid acetic glacial.<\/p>\n<p><strong>Stabilitate prob\u0103<\/strong> \u2013 1 saptamana la 2-8 \u00b0C<sup>2.<\/sup><\/p>\n<p><b>Metod\u0103<\/b><b> <\/b>\u2013<b> <\/b>fotometric\u0103<sup>2<\/sup>.<\/p>\n<h2><b>Valori de referin\u0163\u0103 Citrat urinar<\/b><\/h2>\n<p>&gt; 5 ani: 380 \u2013 600 mg\/24h<\/p>\n<p><strong>Nu sunt disponibile valori de referin\u021b\u0103 pentru urina spontan\u0103 \u0219i pentru copii &lt;5 ani.<\/strong><\/p>\n<h2><strong>Interpretarea rezultatelor<\/strong><\/h2>\n<div>Pacien\u0163ii cu nefrolitiaz\u0103 renal\u0103 calcic\u0103 idiopatic\u0103 prezint\u0103 o excre\u0163ie medie a citratului urinar semnificativ sc\u0103zut\u0103 fa\u0163\u0103 de subiec\u0163ii de control<sup>1;3<\/sup>. Astfel, orice valoare sub limita normal\u0103 a excre\u0163iei urinare de citrat reprezint\u0103 un poten\u0163ial risc de formare a calculilor renali.<\/div>\n<div><\/div>\n<div>Pacien\u0163ii cu un nivel sc\u0103zut al citratului urinar care prezint\u0103 litiaz\u0103 renal\u0103 de novo sau accelerarea form\u0103rii calculilor pot beneficia de ajustarea terapiei \u00een vederea cre\u015fterii excre\u0163iei urinare a citratului<sup>4<\/sup>.<\/div>\n<div>Hipocitraturia este frecvent\u0103 la pacien\u0163ii cu urolitiaz\u0103 generat\u0103 de acidoza tubular\u0103 renal\u0103 precum \u015fi la cei cu hiperoxalurie enteric\u0103. Excre\u0163ia citratului este sc\u0103zuta \u00een insuficien\u0163a renal\u0103 cronic\u0103<sup>3<\/sup>.<\/div>\n<p>&nbsp;<\/p>\n<p><strong>Limite \u015fi interferen\u0163e<\/strong><\/p>\n<div>Medicamentele care scad pH-ul sistemic, potasiul \u015fi\/sau magneziul seric determin\u0103 sc\u0103derea excre\u0163iei urinare a citratului \u015fi trebuie evitate la pacien\u0163ii cu tendin\u0163a de a dezvolta calculi renali.<\/div>\n<div>Dimpotriv\u0103, medicamentele care cresc pH-ul sistemic, potasiul \u015fi\/sau magneziul seric determin\u0103 cre\u015fterea citratului urinar \u015fi trebuie luate \u00een considerare\u00a0\u00een stabilirea tratamentului s\u0103u\u00a0\u00een interpretarea rezultatelor<sup>4<\/sup>.<strong>\u00a0<\/strong><\/div>\n<p>&nbsp;<\/p>\n<h2><strong>Bibliografie<\/strong><\/h2>\n<div>1. Hosking DH, Wilson JW, Liedtke RR, et al: The urinary excretion of citrate in normal persons and patients with idiopathic calcium urolithiasis (abstract). Urol Res 1984;12:26.<\/div>\n<div>2. Laborator Synevo. Referin\u0163e specifice tehnologiei de lucru utilizate 2015. Ref Type: Catalog.<\/div>\n<div>3. Laboratory Corporation of America.Directory of Services and Interpretive Guide. Citric Acide (Citrate), Quantitative, 24H-Urine. <a href=\"https:\/\/www.labcorp.com\" target=\"_blank\" rel=\"noopener nofollow external noreferrer\" data-wpel-link=\"external\">www.labcorp.com<\/a> 2015. Ref Type: Internet Communication.<\/div>\n<div>4. <a href=\"https:\/\/www.mayomedicallaboratories.com\" target=\"_blank\" rel=\"noopener nofollow external noreferrer\" data-wpel-link=\"external\">www.mayomedicallaboratories.com<\/a> Test Catalog: Citrate Excretion, Urine. Ref Type: Internet Communication.<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Informa\u0163ii generale Citrat urinar Citratul urinar reprezint\u0103 un inhibitor major al form\u0103rii calculilor renali, \u00een principal datorit\u0103 leg\u0103rii calciului \u00een urin\u0103. Astfel, nivelurile sc\u0103zute ale citratului urinar sunt considerate un factor de risc pentru\u00a0 formarea calculilor renali. Anomaliile metabolice severe sunt asociate cu un nivel sc\u0103zut de citrat urinar. Orice condi\u0163ie \u00eenso\u0163it\u0103 de\u00a0sc\u0103derea pH-ului la [&hellip;]<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[35,64],"product_tag":[],"class_list":["post-209","product","type-product","status-publish","product_cat-teste-de-biochimie","product_cat-teste-pentru-nefrolitiaza","first","instock","shipping-taxable","purchasable","product-type-simple"],"acf":[],"_links":{"self":[{"href":"https:\/\/analizesanocare.ro\/en\/wp-json\/wp\/v2\/product\/209","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/analizesanocare.ro\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/analizesanocare.ro\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:attachment":[{"href":"https:\/\/analizesanocare.ro\/en\/wp-json\/wp\/v2\/media?parent=209"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/analizesanocare.ro\/en\/wp-json\/wp\/v2\/product_brand?post=209"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/analizesanocare.ro\/en\/wp-json\/wp\/v2\/product_cat?post=209"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/analizesanocare.ro\/en\/wp-json\/wp\/v2\/product_tag?post=209"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}