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Clinical Significance of Subjective Foamy Urine / 전남의대학술지
Chonnam Medical Journal ; : 164-168, 2012.
Article em En | WPRIM | ID: wpr-90302
Biblioteca responsável: WPRO
ABSTRACT
Foamy urine is widely regarded as a sign of proteinuria. However, there is no objective definition of foamy urine and there are no reports on the proportion of involved patients who have overt proteinuria or microalbuminuria. We performed this study to investigate this proportion and to identify possible risk factors for these two conditions. We reviewed all new outpatients from 1 November 2011 to 30 April 2012 and identified patients complaining of foamy urine. Their demographic data and medical records were examined. In particular, we tabulated the patients' spot urinary protein to creatinine ratio, spot urinary microalbumin to creatinine ratio (ACR), blood urea nitrogen (BUN), and serum levels of creatinine (Cr), uric acid, calcium, phosphate, and glucose. In addition, we calculated estimated glomerular filtration rates (eGFRs) by using the CKD-EPI equation. We also performed risk factor analysis with the Chi-squared test and by logistic regression. Seventy-two patients (6.3% of total new outpatients) complained of foamy urine; of these, there were 59 males with a median age of 65.5 years (range, 36-87 years). Of the 72 patients, 16 (22.2%) had overt proteinuria. We found that diabetes, poor renal function (high Cr, BUN, low eGFR), increased serum phosphate, and increased serum glucose were associated with overt proteinuria. Multiple logistic regression analysis showed that serum Cr and serum phosphate were associated with overt proteinuria. The ACR was available for 38 patients, and in this subgroup, 12 (31.6%) showed microalbuminuria or overt proteinuria. In this subgroup, a high serum Cr was the only statistically significant risk factor. Among patients who complained of foamy urine, approximately 20% had overt proteinuria, and increased serum Cr and phosphate were statistically significant risk factors.
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Texto completo: 1 Índice: WPRIM Assunto principal: Pacientes Ambulatoriais / Fosfatos / Proteinúria / Ácido Úrico / Nitrogênio da Ureia Sanguínea / Modelos Logísticos / Prontuários Médicos / Cálcio / Fatores de Risco / Creatinina Tipo de estudo: Etiology_studies / Prognostic_studies / Risk_factors_studies Limite: Humans / Male Idioma: En Revista: Chonnam Medical Journal Ano de publicação: 2012 Tipo de documento: Article
Texto completo: 1 Índice: WPRIM Assunto principal: Pacientes Ambulatoriais / Fosfatos / Proteinúria / Ácido Úrico / Nitrogênio da Ureia Sanguínea / Modelos Logísticos / Prontuários Médicos / Cálcio / Fatores de Risco / Creatinina Tipo de estudo: Etiology_studies / Prognostic_studies / Risk_factors_studies Limite: Humans / Male Idioma: En Revista: Chonnam Medical Journal Ano de publicação: 2012 Tipo de documento: Article