{"id":12780,"date":"2025-07-25T09:59:57","date_gmt":"2025-07-25T13:59:57","guid":{"rendered":"https:\/\/www.rigicon.com\/glossary-term\/hypercalciuria\/"},"modified":"2025-07-25T09:59:57","modified_gmt":"2025-07-25T13:59:57","slug":"hipercalciuria-pt-br","status":"publish","type":"glossary-term","link":"https:\/\/www.rigicon.com\/pt-br\/glossary-term\/hipercalciuria-pt-br\/","title":{"rendered":"Hipercalci\u00faria"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":0,"template":"","glossary-category":[126],"glossary-product":[],"class_list":["post-12780","glossary-term","type-glossary-term","status-publish","hentry","glossary-category-urological-conditions"],"acf":{"gt-definition":"A hipercalci\u00faria \u00e9 uma condi\u00e7\u00e3o metab\u00f3lica caracterizada pela excre\u00e7\u00e3o excessiva de c\u00e1lcio na urina, o que aumenta significativamente o risco de forma\u00e7\u00e3o de c\u00e1lculos renais \u00e0 base de c\u00e1lcio.<span class=\"citation\">1<\/span> \u00c9 considerada o fator de risco metab\u00f3lico identific\u00e1vel mais comum para nefrolit\u00edase por c\u00e1lcio, sendo respons\u00e1vel por aproximadamente 50% dos casos.<span class=\"citation\">1<\/span> A condi\u00e7\u00e3o pode ser definida de v\u00e1rias maneiras: tradicionalmente como excre\u00e7\u00e3o urin\u00e1ria de c\u00e1lcio superior a 275 mg\/dia em homens e 250 mg\/dia em mulheres; como excre\u00e7\u00e3o superior a 4 mg\/kg de peso corporal por dia; ou como concentra\u00e7\u00e3o urin\u00e1ria de c\u00e1lcio acima de 200 mg\/L.<span class=\"citation\">2<\/span> A hipercalci\u00faria tamb\u00e9m contribui para a desmineraliza\u00e7\u00e3o \u00f3ssea, levando \u00e0 diminui\u00e7\u00e3o da densidade mineral \u00f3ssea, osteopenia e potencialmente osteoporose.<span class=\"citation\">3<\/span> A fisiopatologia varia de acordo com o tipo, sendo a hipercalci\u00faria absortiva (aumento da absor\u00e7\u00e3o intestinal de c\u00e1lcio) a mais comum, seguida pela hipercalci\u00faria de vazamento renal (c\u00e1lcio tubular renal defeituoso). reabsor\u00e7\u00e3o), hipercalci\u00faria com vazamento renal de fosfato e hipercalci\u00faria reabsortiva (normalmente decorrente de hiperparatireoidismo).<span class=\"citation\">1<\/span>\n<p>A hipercalci\u00faria \u00e9 definida como a excre\u00e7\u00e3o urin\u00e1ria de c\u00e1lcio superior a 250 mg\/dia em mulheres ou 300 mg\/dia em homens (ou > 4 mg\/kg\/dia). \u00c9 a altera\u00e7\u00e3o metab\u00f3lica mais comum na forma\u00e7\u00e3o de c\u00e1lculos renais, presente em 40-60% dos formadores de c\u00e1lculos de c\u00e1lcio. Pode ser classificada como absortiva (absor\u00e7\u00e3o intestinal aumentada), renal (reabsor\u00e7\u00e3o tubular deficiente) ou reabsortiva (hiperparatireoidismo).<\/p>","gt-synonyms":"Hipercalci\u00faria idiop\u00e1tica, hiperexcre\u00e7\u00e3o de c\u00e1lcio, c\u00e1lcio urin\u00e1rio excessivo, perda renal de c\u00e1lcio, hipercalci\u00faria absortiva, hipercalci\u00faria reabsortiva, perda renal de fosfato, hipercalci\u00faria","gt-citation":"[1] Leslie SW, Sajjad H. Hypercalciuria. [Updated 2024 Feb 12]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2024 Jan-. Available from: https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK448183\/\n\n[2] Coe FL, Worcester EM, Evan AP. Idiopathic hypercalciuria and formation of calcium renal stones. Nat Rev Nephrol. 2016 Sep;12(9):519-33. doi: 10.1038\/nrneph.2016.101. Epub 2016 Jul 25. PMID: 27452364; PMCID: PMC5837277.\n\n[3] Hypercalciuria: Practice Essentials, Background, Pathophysiology. Medscape. Updated: May 19, 2023. Available from: https:\/\/emedicine.medscape.com\/article\/2182757-overview","gt-clinical-context":"A hipercalci\u00faria \u00e9 clinicamente significativa em dois contextos principais: como um importante fator de risco para a forma\u00e7\u00e3o de c\u00e1lculos renais e como um contribuinte para a desmineraliza\u00e7\u00e3o \u00f3ssea.<span class=\"citation\">1<\/span> Os c\u00e1lculos renais \u00e0 base de c\u00e1lcio (oxalato de c\u00e1lcio e fosfato de c\u00e1lcio) representam aproximadamente 85% de todos os c\u00e1lculos renais, sendo a hipercalci\u00faria a causa mais significativa de c\u00e1lculos renais idiop\u00e1ticos \u00e0 base de c\u00e1lcio.<span class=\"citation\">1<\/span> A sele\u00e7\u00e3o de pacientes para avalia\u00e7\u00e3o normalmente inclui aqueles com c\u00e1lculos renais recorrentes, hemat\u00faria inexplic\u00e1vel ou problemas de densidade \u00f3ssea.<span class=\"citation\">3<\/span> Os procedimentos de diagn\u00f3stico incluem coleta de urina de 24 horas para medir a excre\u00e7\u00e3o de c\u00e1lcio, n\u00edveis s\u00e9ricos de c\u00e1lcio e horm\u00f4nio da paratire\u00f3ide e, \u00e0s vezes, testes de carga de c\u00e1lcio para determinar o tipo espec\u00edfico de hipercalci\u00faria.<span class=\"citation\">2<\/span> As abordagens de tratamento variam de acordo com o tipo, mas geralmente incluem modifica\u00e7\u00f5es na dieta (ingest\u00e3o moderada de c\u00e1lcio de 600-800 mg\/dia, redu\u00e7\u00e3o de s\u00f3dio e consumo animal prote\u00ednas, aumento da ingest\u00e3o de l\u00edquidos) e interven\u00e7\u00f5es farmacol\u00f3gicas, como diur\u00e9ticos tiaz\u00eddicos, que aumentam a reabsor\u00e7\u00e3o renal de c\u00e1lcio.<span class=\"citation\">3<\/span> Os resultados esperados incluem redu\u00e7\u00e3o da forma\u00e7\u00e3o de c\u00e1lculos e estabiliza\u00e7\u00e3o da densidade mineral \u00f3ssea, embora normalmente seja necess\u00e1rio tratamento a longo prazo.<span class=\"citation\">1<\/span> Em pacientes pedi\u00e1tricos, a hipercalci\u00faria pode apresentar hemat\u00faria, dor abdominal e sintomas urin\u00e1rios mesmo sem forma\u00e7\u00e3o de c\u00e1lculos, exigindo diagn\u00f3stico espec\u00edfico para a idade crit\u00e9rios.<span class=\"citation\">1<\/span>\n<p>O diagn\u00f3stico requer coleta de urina de 24 horas com dosagem de c\u00e1lcio, s\u00f3dio, \u00e1cido \u00farico, oxalato e citrato. A EAU recomenda como tratamento inicial: redu\u00e7\u00e3o da ingesta de s\u00f3dio (< 5 g\/dia), hidrata\u00e7\u00e3o adequada (> 2,5 L\/dia) e ingesta normal de c\u00e1lcio (1-1,2 g\/dia). Diur\u00e9ticos tiaz\u00eddicos (hidroclorotiazida, indapamida) s\u00e3o indicados quando medidas diet\u00e9ticas s\u00e3o insuficientes, reduzindo a recorr\u00eancia de c\u00e1lculos em 50-60%.<\/p>","gt-related-evidence":null,"gt-featured":true,"gt-ai-referenced":false,"gt-view-count":158},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.7 (Yoast SEO v27.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Hipercalci\u00faria: Excesso de C\u00e1lcio na Urina | Rigicon<\/title>\n<meta name=\"description\" content=\"Conhe\u00e7a a hipercalci\u00faria, excre\u00e7\u00e3o excessiva de c\u00e1lcio urin\u00e1rio e principal causa metab\u00f3lica de c\u00e1lculos renais. Diagn\u00f3stico e tratamento. 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