Insuficienta hepatica (I.H.) reprezinta o afectare hepatica majora caracterizata de o pierdere a mai mult de 3/4 din structura organica datorata unei necroze celulare, ce apare in urma agresiunilor toxice sau infectioase, hipoxiei sau modificarilor circulatorii, fiind intalnita atat la caine, cat si la pisica.
I.H. are ca principala repercusiune dezechilibrele metabolice, provocand o afectare multisistemica ce e caracterizata de aparitia encefalopatiei hepatice, vomei, diareei cu/sau fara sange, insuficientei renale, modificarilor celulare si biochimice sanguine.
Unele medicamente provoaca aparitia acestei boli
Unele medicamente, toxicele, alimentatia dezechilibrata, virusurile (lipsa vaccinarii) sunt cauze pentru aceasta afectiune. Semne precum voma cu sau fara aspect bilos, diareea, icterul, hemoragiile, convulsiile, apatia, inapetenta, scaderea capacitatii de efort, marirea zonei de proiectie hepatica insotesc aceasta afectiune. Pentru confirmare se realizeaza analiza sangelui, care releva cresterea activitatii transaminazelor si a nivelului bilirubinei, anemie etc. Ecografia abdominala scoate in evidenta modificarile structurale, iar examinarea radiologica poate servi la delimitarea ariei hepatice.
Medicatia utilizata este una de suport hepatic folosind aminoacizi esentiali, vitamine, in special C, E si din grupul B, glucoza, acid ursodeoxicolic etc.
Manifestarile asociate vor fi tratate simptomatic folosind antivomitive, antidiareice, diuretice etc. Tratamentul nutritional este reprezentat de diete suport hepatic recomandate de veterinar.
Liviu Harbuz
DVM Ph. D
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