Introduction: Cinacalcet has proved effective to control secondary hyperparathyroidism in patients on haemodialysis (HD). Some studies have reported an appropriate secondary hyperparathyroidism control and a better compliance after intradialytic use of calcimimetics. Objectives: To assess the effect of post-dialysis calcimimetics use on mineral bone disorders and calcimimetics gastrointestinal tolerability in our HD unit. Material and methods: A 12-week single-centre prospective study in HD patients treated with cinacalcet (> 2 months). Two study periods: Usual outpatient use (Stage 1) and use after HD session (Stage 2). Endpoints: 1) Biochemical MBD data; 2) Gastrointestinal Symptom Rating Scale (GSRS) for gastrointestinal tolerability, and visual analogic scale (VAS) for satisfaction; 3) Adherence: Morisky-Green test (MG) and final tablet count (TC). Results: Sixty-two HD patients. Fourteen received cinacalcet (22.5%). TEN patients were included, mean age was 60.9 years; patients had received HD for 80.9 months. Mean Charlson index: 9. Biochemical data: Stage 1 (initial vs. final): Ca 8.8 ± 0.5 vs. 9.1 ± 0.7 mg/dl (p < 0.05); P 5.2 ± 0.8 vs. 4.5 ± 1.6 mg/dl, iPTH 360.3 ± 232.7 vs. 349 ± 122 pg/ml. MG: 70%. Stage 2 (initial vs. final): Ca 9.1 ± 0.7 vs. 8.8 ± 0.6 mg/dl; P 4.5 ± 1.6 vs. 4.6 ± 1.3 mg/dl, iPTH 360.3 ± 232.7 vs. 349 ± 122 pg/ml. TC: 89%. GSRS and VAS were better in Stage 2 (GSRS 7.5 ± 5.2 vs. 4.3 ± 1.9; VAS 4.8 ± 2.3 vs. 6.9 ± 2.8). No significant changes were observed in calcimimetic dose (201 vs. 207 mg/wk), number of phosphate binders (9 vs. 8.2 pts/day), native vitamin D (70 vs. 60%), selective vit D receptor activators (30%), or suitable dialysis parameters. Conclusions: Post-dialysis use of calcimimetic was effective in secondary hyperparathyroidism control, improved gastrointestinal tolerability and ameliorated patients' satisfaction. Based on our findings, post-dialysis use of calcimimetics should be considered in selected patients with low therapeutic compliance.

Introducción: Cinacalcet resulta efectivo en el control del hiperparatiroidismo secundario de los pacientes en hemodiálisis (HD). Algunos estudios han reportado un buen control del hiperparatiroidismo secundario y un mejor cumplimiento terapéutico tras la administración de calcimiméticos intradiálisis. Objetivos: Analizar el efecto de la administración de calcimiméticos posdiálisis sobre el metabolismo óseo mineral y la tolerancia gastrointestinal en nuestra unidad de HD. Material y métodos: Estudio prospectivo unicéntrico de 12 semanas de duración en pacientes en HD tratados con cinacalcet (> 2 meses). Dos períodos de estudio (6 semanas): Administración habitual ambulatoria (fase 1) y posthemodiálisis (fase 2). Datos analizados: 1.- Datos bioquímicos metabolismo óseo mineral. 2.-Test síntomas gastrointestinales (Gastrointestinal Symptom Rating Scale [GSRS]) y grado de satisfacción (escala visual analógica [EVA]). 3.-Adherencia: Test de Morisky-Green (MG) y recuento final comprimidos (RC). Resultados: Sesenta y dos pacientes en HD. Catorce recibían cinacalcet (22,5%). Diez pacientes incluidos, edad media 60,9 años y 80,9 meses en HD. Charlson medio: 9. Datos bioquímicos: fase 1 (inicio vs. fin): Ca 8,8 ± 0,5 vs. 9,1 ± 0,7 mg/dl (p < 0,05); fósforo 5,2 ± 0,8 vs. 4,5 ± 1,6 mg/dl, PTHi 353 ± 129 vs. 360 ± 232 pg/ml. Adherencia (MG): 70%. Fase 2 (inicio vs. fin): Ca 9,1 ± 0,7 vs. 8,8 ± 0,6 mg/dl; fósforo 4,5 ± 1,6 vs. 4,6 ± 1,3 mg/dl; PTHi 360,3 ± 232,7 vs. 349 ± 122 pg/ml. Adherencia (RC): 89%. Con relación al GSRS y el grado de satisfacción, fueron mejores en la fase 2 (GSRS 7,5 ± 5,2 vs. 4,3 ± 1,9; EVA 4,8 ± 2,3 vs. 6,9 ± 2,8). No se objetivaron cambios significativos en la dosis de calcimiméticos (201 vs. 207 mg/sem), número captores fósforo (9 vs. 8,2 pac/día), vitamina D nativa (70 vs. 60%) o activadores selectivos receptor vitD (30%), ni en los parámetros de adecuación dialítica. Conclusiones: La administración de calcimiméticos post diálisis permitió controlar el hiperparatiroidismo secundario de forma eficaz, mejorando la sintomatología gastrointestinal y el grado de satisfacción. Se debe considerar la administración de calcimiméticos post diálisis en aquellos pacientes con escaso cumplimiento terapéutico.

OBJETIVOS: Avaliar a prevalência das doenças alérgicas na região oeste de São Paulo entre escolares de 6 a 7 anos e comparar os dados obtidos com aqueles da fase I da região centro-sul, através do questionário padronizado do International Study of Asthma and Allergies in Childhood. MÉTODOS: Foram enviados 5040 questionários escritos com resposta de 3.312 alunos. As diferenças entre proporções foram avaliadas pelo Teste do Qui-quadrado ou Teste Exato de Fisher, se calculado a Razão das Chances, intervalo de confiança 95% entre os sexos e doenças alérgicas. Os valores de p < 0,05 foram considerados como significantes. RESULTADOS: As prevalências corrigidas encontradas foram: asma 24,4%, diagnóstico médico de asma 5,7%, rinite 25,7%, rinoconjuntivite 11,3%, diagnóstico médico de rinite 20%, eczema atópico 9,2%. Houve associação significativa entre asma e rinite (OR=3,3), asma e eczema (OR=2,2) e rinite e eczema atópico (OR=2,8). O sexo masculino foi predominante para asma e rinite. Comparando-se os dados da fase I, observou-se prevalência mais elevada dos sintomas e gravidade de asma e valores menores para rinite e eczema. CONCLUSÕES: As prevalências de asma e rinite neste estudo mostraram valores elevados em comparação ao diagnóstico médico. Houve predomínio do sexo masculino para asma e rinite. As associações mais freqüentes foram entre asma e rinite e asma e eczema. Em relação à região centro-sul de São Paulo, observou-se que na região oeste houve maior prevalência dos sintomas e gravidade da asma e menor prevalência de rinite e eczema.

The aims of the present work were the evaluation of allergic disease prevalence among 6 and 7 year-old students from the western districts of São Paulo city and the comparison of these data with those obtained in the International Study of Asthma and Allergies in Childhood (ISAAC) phase I, performed in the central-southern districts of São Paulo, using the ISAAC standardized written questionnaire. METHODS: 5,040 questionnaires were distributed and 3,312 were returned. Proportional differences were estimated by Chi square or Fisher exact tests. Odds Ratio and 95% confidence intervals between genders and allergic diseases were calculated. Values of p<0.05 were considered statistically significant. RESULTS: The corrected prevalences found were: asthma 24.4%, medical diagnosis of asthma 5.7%, rhinitis 25.7%, rhinoconjunctivitis 11.3%, medical diagnosis of rhinitis 20.0%, atopic eczema 9.2%. Significant associations between asthma and rhinitis (OR=3.3), asthma and eczema (OR=2.2), and rhinitis and eczema (OR=2.8) occurred. The male gender was prevalent regarding asthma and rhinitis. Compared to data from ISAAC phase I, higher asthma prevalence and severity, and lower values for rhinitis and eczema were observed in this study. CONCLUSIONS: The present study evidenced high prevalences for asthma and rhinitis compared to the children's medical diagnosis. The male gender predominated in all positive responses regarding asthma and rhinitis. The most frequent associations observed were between asthma and rhinitis and asthma and eczema. In the western districts of São Paulo, a higher prevalence of asthma symptoms and severity and lower prevalences for rhinitis and eczema occurred compared to the central-southern districts of the city.