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Clinicopathological relationship in Colombian patients with lupus nephritis / Luis Fernando Pinto Peñaranda
Título : Clinicopathological relationship in Colombian patients with lupus nephritis Otros títulos : Relación clínicopatológica en pacientes colombianos con nefritis lúpica Tipo de documento : documento electrónico Autores : Luis Fernando Pinto Peñaranda, Fecha de publicación : 2017 Títulos uniformes : Revista Colombiana de Reumatología Idioma : Inglés (eng) Palabras clave : Lupus nephritis Systemic lupus erythematosus Biopsy Proteinuria Creatinine Hispanic Americans Resumen : Background: There are several clinical and laboratory features for lupus nephritis diagnosis; however, renal biopsy remains as the gold standard. Different series have tried to establish the relationship between these findings, with conflicting results. Objective: To describe the correlation between clinical and laboratory variables with histological biopsy-proven lupus nephritis. Methods: An analytical cross-sectional study was conducted, between January, 2004 and December, 2012. Qualitative variables were described using absolute and relative frequencies, while quantitative variables were assessed by medians with interquartile range. The relationship with clinical findings was explored using chi-square maximum likelihood test, adjusted standardized residuals, hierarchical Kruskal–Wallis test, homogeneity of variance in data, post hoc Dunn's test, Spearman's correlation coefficient, and Mann–Whitney test. Results: 132 patients were included. Proliferative lupus nephritis was the most frequent (74%). The most common clinical condition was nephritic syndrome (46%); proteinuria was observed in 80%. No relationship was found between clinical syndromes and histological types; only statistically significant differences were observed between proliferative and non-proliferative forms regarding hematuria (72.1 vs. 46.7%; p = 0.012), C3 hypocomplementemia (70.9 vs. 43.3%; p = 0.007), 24-h proteinuria (2560 vs 741 mg; p = 0.001), and serum creatinine (1 vs. 0.77 mg/dL; p = 0.006). We found positive correlations between activity index and serum creatinine values, 24-h proteinuria, C3 hypocomplementemia, along with positive anti-DNA antibodies. Conclusion: There is a clinicopathological relationship within proliferative types and certain laboratory features (hematuria, elevated 24-h protein excretion, serum creatinine level, and C3 hypocomplementemia) in a mestizo population with lupus nephritis; nonetheless, no association was found with any other variables. Mención de responsabilidad : Carlos Jaime Velásquez-Franco, Yerlin Andrés Colina Vargas, Sara Correa Pérez, Felipe Osorio Ospina, Mariana Tamayo Correa, Juliana Madrid Vargas, Aura Ligia Zapata-Castellanos, Libia María Rodríguez Padilla, Luis Fernando Pinto Peñaranda y Miguel Antonio Mesa Navas DOI (Digital Object Identifier) : 10.1016/j.rcreu.2017.10.001 En línea : https://linkinghub.elsevier.com/retrieve/pii/S0121812317301068 Enlace permanente : https://hospitalpablotobon.cloudbiteca.com/pmb/opac_css/index.php?lvl=notice_display&id=4678 Clinicopathological relationship in Colombian patients with lupus nephritis = Relación clínicopatológica en pacientes colombianos con nefritis lúpica [documento electrónico] / Luis Fernando Pinto Peñaranda, . - 2017.
Obra : Revista Colombiana de Reumatología
Idioma : Inglés (eng)
Palabras clave : Lupus nephritis Systemic lupus erythematosus Biopsy Proteinuria Creatinine Hispanic Americans Resumen : Background: There are several clinical and laboratory features for lupus nephritis diagnosis; however, renal biopsy remains as the gold standard. Different series have tried to establish the relationship between these findings, with conflicting results. Objective: To describe the correlation between clinical and laboratory variables with histological biopsy-proven lupus nephritis. Methods: An analytical cross-sectional study was conducted, between January, 2004 and December, 2012. Qualitative variables were described using absolute and relative frequencies, while quantitative variables were assessed by medians with interquartile range. The relationship with clinical findings was explored using chi-square maximum likelihood test, adjusted standardized residuals, hierarchical Kruskal–Wallis test, homogeneity of variance in data, post hoc Dunn's test, Spearman's correlation coefficient, and Mann–Whitney test. Results: 132 patients were included. Proliferative lupus nephritis was the most frequent (74%). The most common clinical condition was nephritic syndrome (46%); proteinuria was observed in 80%. No relationship was found between clinical syndromes and histological types; only statistically significant differences were observed between proliferative and non-proliferative forms regarding hematuria (72.1 vs. 46.7%; p = 0.012), C3 hypocomplementemia (70.9 vs. 43.3%; p = 0.007), 24-h proteinuria (2560 vs 741 mg; p = 0.001), and serum creatinine (1 vs. 0.77 mg/dL; p = 0.006). We found positive correlations between activity index and serum creatinine values, 24-h proteinuria, C3 hypocomplementemia, along with positive anti-DNA antibodies. Conclusion: There is a clinicopathological relationship within proliferative types and certain laboratory features (hematuria, elevated 24-h protein excretion, serum creatinine level, and C3 hypocomplementemia) in a mestizo population with lupus nephritis; nonetheless, no association was found with any other variables. Mención de responsabilidad : Carlos Jaime Velásquez-Franco, Yerlin Andrés Colina Vargas, Sara Correa Pérez, Felipe Osorio Ospina, Mariana Tamayo Correa, Juliana Madrid Vargas, Aura Ligia Zapata-Castellanos, Libia María Rodríguez Padilla, Luis Fernando Pinto Peñaranda y Miguel Antonio Mesa Navas DOI (Digital Object Identifier) : 10.1016/j.rcreu.2017.10.001 En línea : https://linkinghub.elsevier.com/retrieve/pii/S0121812317301068 Enlace permanente : https://hospitalpablotobon.cloudbiteca.com/pmb/opac_css/index.php?lvl=notice_display&id=4678 Reserva
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