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Copyright of Revista Medica del IMSS is the property of Direccion de Prestaciones Medicas - IMSS and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Objective: to describe clinical data, metabolic profile, treatment and evolution of a nursing children cohort with urolithiasis. Methods: using a descriptive, prospective and longitudinal design, were registered all patients with urolithiasis, of Pediatric Division at the Hospital General "Agustín O'Horán", in Yucatan, Mexico. Were included all patients with 36 months old and younger. Were not included children with malformations or associated disease which causes urolithiasis. Clinical and metabolic profiles, evaluation of the applied treatment as well as an evolution by four years period were done. Results: 63 patients were recruited with ages ranging from 2 to 36 months; 39 (61.9 %) were male. The most common clinical signs were crying upon urination (49.2 %), urinary retention (31.7 %), hematuria (30.2 %), and pollakiuria (28.6 %). Calculus were most frequently located in the kidney (58.7 %). The most common complications were acute urinary tract infection (61.9 %), malnutrition (47.6 %) and acute renal failure (12.7 %). Documented metabolic alterations included hyperuricosuria (57.1 %), hypomagnesiuria (11.1 %) and hypercalciuria (9.5 %). Conclusions: urolithiasis should be suspected in children with crying upon urination and urinary symptoms; it should be considered among the different causes of renal failure; hyperuricosuria was the most frequent metabolic alteration. [ABSTRACT FROM AUTHOR]

Copyright of Acta Pediatrica de Mexico is the property of Instituto Nacional de Pediatria (INP) and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Background: Treating anemia of prematurity is transfused red blood cells and the use of erythropoiesis-stimulating agents. The aim of this article is to determine the correlation between the number of blood transfusions and the use of recombinant human erythropoietin in preterm infants with anemia., Methods: A correlation study was performed in 80 cases of patients with anemia treated with transfusions and erythropoietin, were randomized into two groups: one was treated with transfusions (T) and one with transfusions and erythropoietin (E). Demographic variables, hemoglobin and hematocrit at the beginning and end of treatment and number of transfusions received were measured. The correlation was obtained through Spearman Rho, considering p < 0.05 as statistically significant., Results: The total number of units transfused in each group was lower in group E, which received two units less than the T group (p < 0.05). The average CE transfused in group E was 4 ± 1.2 and 7 ± 1.2 for the group T. For the group E the correlation between gestational age and number of transfusions was moderately negative (-0348); birth weight and the number of packed red blood cells transfused were slightly negative (-0239). T group for the negative correlation between the same variables moderate slight negative (-0300) and (-0109), respectively., Conclusions: Erythropoietin reduces the number of blood transfusions in preterm infants with anemia. Its use does not preclude the transfusion, the patient remains exposed to the risk of communicable diseases in this way.

Objective: to describe clinical data, metabolic profile, treatment and evolution of a nursing children cohort with urolithiasis., Methods: using a descriptive, prospective and longitudinal design, were registered all patients with urolithiasis, of Pediatric Division at the Hospital General "Agustín O'Horán," in Yucatan, Mexico. We included all patients who were 36 months old and younger. We did not include children with malformations or associated disease which causes urolithiasis. Clinical and metabolic profiles, evaluation of the applied treatment as well as an evolution by four years period were done., Results: 63 patients were recruited with ages ranging from 2 to 36 months; 39 (61.9 %) were male. The most common clinical signs were crying upon urination (49.2 %), urinary retention (31.7 %), hematuria (30.2 %), and pollakiuria (28.6 %). Calculus were most frequently located in the kidney (58.7 %). The most common complications were acute urinary tract infection (61.9 %), malnutrition (47.6 %) and acute renal failure (12.7 %). Documented metabolic alterations included hyperuricosuria (57.1 %), hypomagnesiuria (11.1 %) and hypercalciuria (9.5 %)., Conclusions: urolithiasis should be suspected in children with crying upon urination and urinary symptoms; it should be considered among the different causes of renal failure; hyperuricosuria was the most frequent metabolic alteration.