2006
DOI: 10.1590/s0102-09352006000400006
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Concentração sérica de paratormônio intacto em cães com insuficiência renal crônica

Abstract: RESUMOEstudou-se a ocorrência de hiperparatireoidismo secundário renal e determinaram-se as concentrações séricas de paratormônio intacto (PTHi-c), cálcio total e fósforo em 30 cães com insuficiência renal crônica (IRC) e em 40 cães sadios. Para a determinação do PTHi-c, foi utilizado o método imunofluorométrico, com o emprego de anticorpos anti-aminoterminal (extraídos de gema de ovo da galinha) e de anticorpos monoclonais anti-carboxiterminal (H5P10), marcados com Europium. As concentrações séricas de PTHi-c… Show more

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Cited by 18 publications
(17 citation statements)
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“…Increased serum iPTH concentrations, observed in 57.5% of the cats with CKD, were similar to those reported in other studies in cats , Pusoonthornthum et al 2010) and dogs (Lazaretti et al 2006), however, those reports in cats had not measured iPTH at different stages of CKD, according to the IRIS classification. In a study conducted by involving 80 cats with CKD, the animals were subjectively categorized according to the severity of clinical signs; SRHPT was detected in 47% of CKD cats that were categorized as asymptomatic (which CKD was only evidenced by laboratorial exams), and in 100% of CKD cats categorized as presenting more severe clinical signs (end-stage renal failure).…”
Section: Discussionsupporting
confidence: 89%
“…Increased serum iPTH concentrations, observed in 57.5% of the cats with CKD, were similar to those reported in other studies in cats , Pusoonthornthum et al 2010) and dogs (Lazaretti et al 2006), however, those reports in cats had not measured iPTH at different stages of CKD, according to the IRIS classification. In a study conducted by involving 80 cats with CKD, the animals were subjectively categorized according to the severity of clinical signs; SRHPT was detected in 47% of CKD cats that were categorized as asymptomatic (which CKD was only evidenced by laboratorial exams), and in 100% of CKD cats categorized as presenting more severe clinical signs (end-stage renal failure).…”
Section: Discussionsupporting
confidence: 89%
“…O desequilíbrio do metabolismo de cálcio e de fósforo ocorre como consequência da perda gradativa da capacidade funcional dos rins (Lazaretti et al 2006). A maioria dos animais apresenta hiperfosfatemia e níveis de cálcio baixos, o que promove estímulo das paratireoides e aumento da secreção de paratormônio (PTH), na tentativa de manutenção da homeostase do cálcio (Lazaretti et al 2006). Desta forma ocorre mobilização de cálcio a partir do tecido ósseo (Newman et al 2009).…”
Section: Discussionunclassified
“…Desta forma, ocorre uma redução da absorção intestinal e da reabsorção óssea de cálcio, hipocalcemia e estímulo das glândulas paratireoides que secretam de forma excessiva e descontrolada o PTH (Portale et al, 1984;Sampaio et al, 2008) na tentativa de manutenção da homeostase do cálcio. Isto promove a desmineralização óssea e a calcificação de tecidos moles (Krueger & Osborne, 1995;Krueger et al, 1996;Lazaretti et al, 2006). Este trabalho objetivou relatar um caso de hiperparatireoidismo secundário a insuficiencia renal crónica, bem como a necessidade de um diagnóstico correto e precoce.…”
Section: Introductionunclassified