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BJU Int ; 124(5): 849-861, 2019 11.
Artigo em Inglês | MEDLINE | ID: mdl-30801923

RESUMO

OBJECTIVE: To evaluate medical treatments, in terms of adverse events (AEs) and therapeutic goals, in a large series of patients with cystinuria. PATIENTS AND METHODS: Data from 442 patients with cystinuria were recorded retrospectively. Crystalluria was studied in 89 patients. A mixed-effects logistic regression model was used to estimate how urine pH, specific gravity and cysteine-binding thiols (CBT) correlate with risk of cystine crystalluria. RESULTS: Alkalizing agents and CBT agents were given to 88.8% (n = 381) and 55.3% (n = 238) of patients, respectively. Gastrointestinal AEs were reported in 12.3%, 10.4% and 2.6% of patients treated with potassium bicarbonate, potassium citrate and sodium bicarbonate, respectively (P = 0.008). The percentages of patients who experienced at least one AE with tiopronin (24.6%) and with D-penicillamine (29.5%) were similar (P = 0.45). Increasing urine pH and decreasing urine specific gravity significantly reduced the risk of cystine crystalluria, whereas D-penicillamine and tiopronin treatments did not reduce this risk (odds ratio [OR] 1 for pH ≤6.5; OR 0.52 [95% confidence interval {95% CI} 0.28-0.95] for 7.0 8.0, P <0.001). CONCLUSION: Adverse events were frequent with D-penicillamine and tiopronin. Alkaline hyperdiuresis was well tolerated and reduced cystine crystalluria. Urine specific gravity ≤1.005 and urine pH >7.5, while warning about calcium-phosphate crystallization, should be the goals of medical therapy.


Assuntos
Cistinúria , Adolescente , Adulto , Idoso , Criança , Pré-Escolar , Cistinúria/tratamento farmacológico , Cistinúria/prevenção & controle , Efeitos Colaterais e Reações Adversas Relacionados a Medicamentos , Feminino , França , Humanos , Concentração de Íons de Hidrogênio , Lactente , Masculino , Pessoa de Meia-Idade , Penicilamina/efeitos adversos , Penicilamina/uso terapêutico , Estudos Retrospectivos , Bicarbonato de Sódio/efeitos adversos , Bicarbonato de Sódio/uso terapêutico , Tiopronina/efeitos adversos , Tiopronina/uso terapêutico , Resultado do Tratamento , Urinálise , Adulto Jovem
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