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INTRODUCTION: Cost management has been identified as an essential tool for the general control and evaluation of health organizations. OBJECTIVES: To identify the coverage percentage of transferred funds from the Unified Health System for coronary artery bypass grafts in a philanthropic hospital having a consolidated costing system in the municipality of São Paulo. METHODS: A quantitative, descriptive and cross-sectional research with information provided from a database composed of 1913 patients undergoing coronary artery bypass graft from March 13 to September 30, 2012, including isolated elective coronary artery bypass graft with the use of extracorporeal circulation. It excluded 551 (28.8%) patients, among them 76 (4.0%) deaths and 8 hospitalized patients, since the cost was compared according to the length of hospital stay. Therefore, the sample consisted of 1362 patients. RESULTS: The average total cost per patient was $7,992.55. The average fund transfer by the Unified Health System was $3,450.73 (48.66%), resulting in a deficit of $4,541.82 (51.34%). CONCLUSION: The Unified Health System transfers covered 48.66% of the average total cost of hospitalization. Although the amount transferred increased with increasing costs, it was not proportional to the total cost, resulting in a percentage difference in revenue that was increasingly negative for each increase in cost and hospital stay. Those hospitalized for longer than seven days presented higher costs, older age, higher percentage of diabetics and chronic kidney disease patients and more postoperative complications.

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Abstract Introduction: Cost management has been identified as an essential tool for the general control and evaluation of health organizations. Objectives: To identify the coverage percentage of transferred funds from the Unified Health System for coronary artery bypass grafts in a philanthropic hospital having a consolidated costing system in the municipality of São Paulo. Methods: A quantitative, descriptive and cross-sectional research with information provided from a database composed of 1913 patients undergoing coronary artery bypass graft from March 13 to September 30, 2012, including isolated elective coronary artery bypass graft with the use of extracorporeal circulation. It excluded 551 (28.8%) patients, among them 76 (4.0%) deaths and 8 hospitalized patients, since the cost was compared according to the length of hospital stay. Therefore, the sample consisted of 1362 patients. Results: The average total cost per patient was $7,992.55. The average fund transfer by the Unified Health System was $3,450.73 (48.66%), resulting in a deficit of $4,541.82 (51.34%). Conclusion: The Unified Health System transfers covered 48.66% of the average total cost of hospitalization. Although the amount transferred increased with increasing costs, it was not proportional to the total cost, resulting in a percentage difference in revenue that was increasingly negative for each increase in cost and hospital stay. Those hospitalized for longer than seven days presented higher costs, older age, higher percentage of diabetics and chronic kidney disease patients and more postoperative complications.

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OBJECTIVE: To identify the association between blood pressure control and the following variables: a) bio-social and lifestyle characteristics of hypertensive patients; and b) factors related to the antihypertensive treatment. METHODS: This is an exploratory study with 290 people with hypertension from primary care. We used a specific instrument, self-administered, with 21 questions on factors that can hinder treatment, divided into four dimensions: medication, socioeconomic, institutional and personal beliefs. We adopted a significance level of p <0.05. RESULTS: The control of blood pressure was associated (p <0.05) with female gender, Caucasian ethnicity, primary/secondary education, not drinking alcohol, higher income and regular physical activity. Regarding the factors that can hinder treatment, there was association of hypertension control with only two questions: "feel nothing" and "have to do treatment for life". CONCLUSION: Sociodemographic variables and beliefs concerning the absence of symptoms and chronicity of the disease influenced the control of hypertension and should be considered in the adherence process to the treatment. OBJETIVO: Identificar a associação entre o controle da pressão arterial e as seguintes variáveis: a) características biossociais e hábitos de vida dos hipertensos; e b) fatores relacionados ao tratamento anti-hipertensivo. MÉTODOS: Realizou-se estudo exploratório com 290 hipertensos da atenção primária. Utilizou-se de instrumento específico, autoaplicável, com 21 questões sobre fatores que podem dificultar o tratamento, divididas em quatro domínios: medicamentos, socioeconômico, institucional e crenças pessoais. Adotou-se nível de significância de p < 0,05. RESULTADOS: O controle da pressão arterial se associou (p < 0,05) com sexo feminino, etnia branca, ensino fundamental/médio, não ingerir bebida alcoólica, maior renda e atividade física regular. Quanto aos fatores que podem dificultar o tratamento, houve associação do controle com apenas duas questões: "não sentir nada" e "ter que fazer tratamento para vida toda". CONCLUSÃO: Variáveis sociodemográficas e crenças relativas à ausência de sintomatologia e cronicidade da doença influenciaram o controle dos hipertensos e devem ser consideradas no processo de adesão ao tratamento.

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Abstract OBJECTIVE To identify the association between blood pressure control and the following variables: a) bio-social and lifestyle characteristics of hypertensive patients; and b) factors related to the antihypertensive treatment. METHODS This is an exploratory study with 290 people with hypertension from primary care. We used a specific instrument, self-administered, with 21 questions on factors that can hinder treatment, divided into four dimensions: medication, socioeconomic, institutional and personal beliefs. We adopted a significance level of p <0.05. RESULTS The control of blood pressure was associated (p <0.05) with female gender, Caucasian ethnicity, primary/secondary education, not drinking alcohol, higher income and regular physical activity. Regarding the factors that can hinder treatment, there was association of hypertension control with only two questions: "feel nothing" and "have to do treatment for life". CONCLUSION Sociodemographic variables and beliefs concerning the absence of symptoms and chronicity of the disease influenced the control of hypertension and should be considered in the adherence process to the treatment.

Resumen OBJETIVO Identificar la asociación entre el control de la presión arterial y las siguientes variables: a) características biosociales y hábitos de vida de los hipertensos; y b) factores relacionados con el tratamiento antihipertensivo. MÉTODOS Se llevó a cabo estudio exploratorio con 290 hipertensos de la atención primaria. Se utilizó un instrumento específico, autoaplicable, con 21 cuestiones sobre factores que pueden dificultar el tratamiento, divididas en cuatro dominios: fármacos, socioeconómico, institucional y creencias personales. Se adoptó nivel de confianza de p < 0,05. RESULTADOS El control de la presión arterial se asoció (p < 0,05) con sexo femenino, etnia blanca, educacional básica/media, no ingerir bebida alcohólica, mayores ingresos y actividad física regular. En cuanto a los factores que pueden dificultar el tratamiento, hubo asociación del control con solo dos cuestiones: "no sentir nada" y "tener que hacer tratamiento para toda la vida". CONCLUSIÓN Variables sociodemográficas y creencias relativas a la ausencia de sintomatología y cronicidad de la enfermedad influenciaron el control de los hipertensos y deben considerarse en el proceso de adhesión al tratamiento.

Resumo OBJETIVO Identificar a associação entre o controle da pressão arterial e as seguintes variáveis: a) características biossociais e hábitos de vida dos hipertensos; e b) fatores relacionados ao tratamento anti-hipertensivo. MÉTODOS Realizou-se estudo exploratório com 290 hipertensos da atenção primária. Utilizou-se de instrumento específico, autoaplicável, com 21 questões sobre fatores que podem dificultar o tratamento, divididas em quatro domínios: medicamentos, socioeconômico, institucional e crenças pessoais. Adotou-se nível de significância de p < 0,05. RESULTADOS O controle da pressão arterial se associou (p < 0,05) com sexo feminino, etnia branca, ensino fundamental/médio, não ingerir bebida alcoólica, maior renda e atividade física regular. Quanto aos fatores que podem dificultar o tratamento, houve associação do controle com apenas duas questões: "não sentir nada" e "ter que fazer tratamento para vida toda". CONCLUSÃO Variáveis sociodemográficas e crenças relativas à ausência de sintomatologia e cronicidade da doença influenciaram o controle dos hipertensos e devem ser consideradas no processo de adesão ao tratamento.

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OBJECTIVE To identify the prevalence of arterial hypertension and associated factors in patients submitted to myocardial revascularization. METHOD Cross-sectional study using the database of a hospital in São Paulo (SP, Brazil) containing 3010 patients with coronary artery disease submitted to myocardial revascularization. A multiple logistic regression was performed to identify variables independently associated with hypertension (statistical significance: p<0.05). RESULTS Prevalence of hypertension was 82.8%. After the variables were adjusted, the associated factors were as follows: age, odds ratio (OR): OR=1.01; 95% confidence interval (CI): CI:1.00-1.02; female gender: (OR=1.77;CI:1.39-2.25); brown-skin race: (OR=1.53;CI:1.07-2.19); obesity: (OR=1.53;CI:1.13-2.06); diabetes: (OR=1.90;CI:1.52-2.39); dyslipidemia: (OR=1.51;CI:1.23-1.85); and creatinine>1.3: (OR=1.37;CI:1.09-1.72). CONCLUSION A high prevalence of arterial hypertension and association with both non-modifiable and modifiable factors was observed.

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OBJECTIVE To identify the prevalence of arterial hypertension and associated factors in patients submitted to myocardial revascularization. METHOD Cross-sectional study using the database of a hospital in São Paulo (SP, Brazil) containing 3010 patients with coronary artery disease submitted to myocardial revascularization. A multiple logistic regression was performed to identify variables independently associated with hypertension (statistical significance: p<0.05). RESULTS Prevalence of hypertension was 82.8%. After the variables were adjusted, the associated factors were as follows: age, odds ratio (OR): OR=1.01; 95% confidence interval (CI): CI:1.00-1.02; female gender: (OR=1.77;CI:1.39-2.25); brown-skin race: (OR=1.53;CI:1.07-2.19); obesity: (OR=1.53;CI:1.13-2.06); diabetes: (OR=1.90;CI:1.52-2.39); dyslipidemia: (OR=1.51;CI:1.23-1.85); and creatinine>1.3: (OR=1.37;CI:1.09-1.72). CONCLUSION A high prevalence of arterial hypertension and association with both non-modifiable and modifiable factors was observed. .

OBJETIVO Identificar la prevalencia de la hipertensión arterial y los factores asociados en pacientes sometidos a la cirugía de revascularización miocárdica. MÉTODO Estudio transversal utilizando banco de datos de un hospital en São Paulo-SP, Brasil, conteniendo a 3010 coronariopatas sometidos a la revascularización miocárdica. Se procedió a la regresión múltiple para la identificación de las variables independientemente asociadas con la hipertensión, considerándose significación estadística p< 0,05. RESULTADOS La prevalencia de hipertensión fue del 82,8% y los factores asociados, después del ajuste de las variables, fueron: edad Oddsratio (OR) = 1,01, intervalo de confianza del 95% (IC): 1,00-1,02; sexo femenino OR = 1,77, IC:1,39-2,25; raza morena OR = 1,53, IC:1,07-2,19; obesidad OR = 1,53, IC:1,13-2,06; diabetes OR = 1,90, IC:1,52-2,39; dislipidemia OR = 1,51, IC:1,23-1,85; y creatinina>1,3 OR = 1,37, IC:1,09-1,72. CONCLUSIÓN Se verificó elevada prevalencia de hipertensión arterial y asociación tanto con factores no cambiables como con factores cambiables. .

OBJETIVO Identificar a prevalência da hipertensão arterial e fatores associados em pacientes submetidos à cirurgia de revascularização miocárdica. MÉTODO Estudo transversal utilizando banco de dados de um hospital em São Paulo-SP, Brasil contendo 3010 coronariopatas submetidos à revascularização miocárdica. Procedeu-se à regressão múltipla para identificação das variáveis independentemente associadas à hipertensão, considerando-se significância estatística p< 0,05. RESULTADOS A prevalência de hipertensão foi de 82,8% e os fatores associados, após ajuste das variáveis, foram: idade Oddsratio (OR) = 1,01, intervalo de confiança 95% (IC): 1,00-1,02; sexo feminino OR = 1,77, IC:1,39-2,25; raça parda OR = 1,53, IC:1,07-2,19; obesidade OR = 1,53, IC:1,13-2,06; diabetes OR = 1,90, IC:1,52-2,39; dislipidemia OR = 1,51, IC:1,23-1,85; e creatinina>1,3 OR = 1,37, IC:1,09-1,72. CONCLUSÃO Verificou-se elevada prevalência de hipertensão arterial e associação tanto com fatores não modificáveis, como com fatores modificáveis. .

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Introdução: A hipertensão arterial tem elevada prevalência em pessoas submetidas à cirurgia de revascularização do miocárdio. Contudo, em nosso meio, pouco se conhece sobre sua influência no resultado pós-operatório. Objetivos: Avaliar associação da hipertensão arterial com desfechos de morbidade e mortalidade após cirurgia de revascularização miocárdica e identificar os preditores de mortalidade nos pacientes hipertensos. Método: Estudo de coorte que utilizou banco de dados institucional de um hospital da cidade de São Paulo-SP incluindo 3010 pacientes submetidos à revascularização miocárdica cirúrgica com acompanhamento dos desfechos aos 30 dias e até um ano após a cirurgia. Os grupos de hipertensos e não hipertensos foram comparados quanto às características pré-operatórias e quanto à morbidade e mortalidade pós-operatórias. Os grupos de hipertensos controlados e hipertensos não controlados foram comparados quanto às características préoperatórias e à ocorrência de morbidade e mortalidade pósoperatória. Para identificação das variáveis preditoras de mortalidade no grupo dos hipertensos procedeu-se a análise multivariada com regressão logística. Resultados: A prevalência de hipertensão arterial foi de 82,8%. A média de idade dos hipertensos foi de 62,4 anos e 67,8% eram do sexo masculino. Os fatores associados, independentemente, à hipertensão foram (OR- Odds Ratio; ICIntervalo de Confiança 95%): idade (1,01; 1,00-1,02); sexo feminino (1,77; 1,39-2,25), raça parda (1,53;1,07-2,19), obesidade (1,53;1,13- 2,06), diabetes (1,90; 1,52-2,39), dislipidemia (1,51;1,23-1,85) e creatinina>1,3mg/dL (1,37; 1,09-1,72). Não houve diferença estatisticamente significativa nos desfechos de morbidade e mortalidade entre os grupos de hipertensos e não hipertensos.Cerca da metade dos hipertensos (51,1%) apresentava pressão arterial controlada (PA(PA<140/90 mmHg) na admissão hospitalar. O grupo de hipertensos não controlados apresentou risco significativamente maior do que hipertensos controlados de (Risco Relativo; Intervalo de Confiança 95%): acidente vascular encefálico (2,25; 1,13-4,56), insuficiência cardíaca (1,65; 1,04-2,63), parada cardíaca (1,54; 1,03- 2,31) e óbito (1,59; 1,20-2,10). Após regressão logística múltipla, as variáveis associadas ao óbito dos hipertensos em até 30 dias após a cirurgia foram (OR; IC 95%): idade, variável contínua (1,039; 1,012- 1,066), creatinina sérica, variável contínua (1,245; 1,062-1,459); história familiar de doença coronariana (0,491; 0,265-0,912), dislipidemia (0,512; 0,316-0,829), procedimento de revascularização isolado (0,289; 0,176-0,476) e índice de massa corporal, variável contínua, (0,944; 0,892-0,999). As variáveis associadas ao óbito dos hipertensos em até um ano após a cirurgia foram (OR; IC 95%): idade, variável contínua (1,049; 1,028-1,071), pressão arterial não controlada (1,768; 1,245-2,508), antecedentes de doença renal crônica (2,554; 1,481-4,404), acidente vascular encefálico (2,48; 1,403-4,203), insuficiência arterial periférica (1,894; 1,087-3,300), doença carotídea (3,050; 1,367-6,806), insuficiência cardíaca (4,623; 2,455-8,703), arritmia (1,811; 1,038-3,159), creatinina sérica préo-peratória, variável contínua (1,201; 1,017-1,418), glicemia capilar pós-operatória, variável contínua (1,007; 1,002-1,012), história familiar de doença coronariana (0,613; 0,401-0,939), dislipidemia (0,658; 0,463-0,936) e cirurgia de revascularização isolada (0,306; 0,203-0,461) Conclusões: A hipertensão arterial apresentou alta prevalência e se associou a fatores modificáveis e não modificáveis. Entre hipertensos, a falta de controle da pressão arterial foi preditora de mortalidade na avaliação em longo prazo após a cirurgia.

Introduction: Hypertension is highly prevalent in people undergoing coronary artery bypass graft (CABG) surgery. However, in our field, little is known about its influence on postoperative results. Objectives: To evaluate the association of hypertension with morbidity and mortality outcomes after the coronary artery bypass graft surgery and identify predictors of mortality in hypertensive patients. Method: A cohort study which used the institutional database of a hospital in the city of São Paulo (state of São Paulo) and included 3010 patients undergoing CABG surgery, with monitoring of outcomes at 30 days and one year after surgery. The groups of hypertensive and nonhypertensive patients were compared regarding the preoperative characteristics and the postoperative morbidity and mortality. The groups of controlled hypertensive and uncontrolled hypertensive patients were compared in relation to preoperative characteristics and the occurrence of postoperative morbidity and mortality. A multivariate analysis with logistic regression was used to identify the predictors of mortality in the hypertensive group. Results: The prevalence of hypertension was 82.8%. The average age of hypertensive patients was 62.4 years and 67.8% were male. The factors independently associated with hypertension were the following (OR- odds ratio; CIconfidence interval 95%): age (1.01; 1.00-1.02); female gender (1.77; 1.39-2.25), multiracial (pardo) (1.53; 1.07-2.19), obesity (1.53; 1.13- 2.06),diabetes (1.90; 1.52-2.39), dyslipidemia (1.51; 1.23-1.85) and creatinine>1.3mg/dL (1.37; 1.09-1.72). There was no statistically significant difference in the outcomes of morbidity and mortality among hypertensive and non-hypertensive groups.About half of the hypertensive patients (51.1%) had controlled blood pressure (Pa<140/90 mmHg) at hospital admission. The group of uncontrolled hypertensive patients showed significantly higher risk than the group of controlled hypertensive of the following (RR-Relative Risk; CI 95%): cerebrovascular accident (2.25; 1.13-4.56), heart failure (1.65; 1.04- 2.63), cardiac arrest (1.54; 1.03-2.31) and death (1.59; 1.20-2.10). Using multiple logistic regression, the variables associated with death of hypertensive patients within 30 days after surgery were the following (OR; CI 95%): age, continuous variable (1.039; 1.012-1.066), serum creatinine, continuous variable (1.245; 1.062-1.459); family history of coronary artery disease (0.491; 0.265-0.912), dyslipidemia (0.512; 0.316-0.829), isolated revascularization procedure (0.289; 0.176- 0.476) and body mass index, continuous variable, (0.944; 0.892- 0.999). The following variables were associated to the death of hypertensive patients in up toan year after surgery (OR; CI 95%): age, continuous variable (1.049; 1.028-1.071), uncontrolled blood pressure (1.768; 1.245-2.508), history of chronic kidney disease (2.554; 1.481- 4404), stroke (2.48; 1.403-4.203), peripheral artery disease (1.894; 1.087-3.300), carotid artery disease (3.050; 1.367-6.806), cardiac failure (4.623; 2.455-8.703), arrhythmia (1,811; 1,038-3,159), preoperative serum creatinine, continuous variable (1.201; 1.017- 1.418), postoperative blood glucose, continuous variable (1.007; 1.002-1.012), family history of coronary disease (0.613; 0.401-0.939), dyslipidemia (0.658; 0.463-0.936) and isolated coronary artery bypass graft surgery (0.306; 0.203-0.461).Conclusions: Hypertension showed high prevalence and was associated to modifiable and nonmodifiable factors. Among hypertensive patients, the lack of blood pressure control was predictive of mortality in the long-term evaluation after surgery.

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OBJETIVO: O indicador de tempo de permanência hospitalar (TPH) permite avaliar a eficiência de uma determinada unidade hospitalar e serve como base para mensurar o número de leitos necessários para o atendimento da população de uma área específica. MÉTODOS: Levantamento retrospectivo de um banco de dados de 3010 pacientes submetidos à cirurgia de revascularização do miocárdio (CRM) de julho de 2009 a julho de 2010. RESULTADOS: Dos 2840 pacientes com critérios de inclusão, 92,1% tinham como fonte pagadora o Sistema Único de Saúde (SUS) e 7,9% eram de convênios e particulares (Não SUS); 70,2% eram do sexo masculino, a média de idade foi de 61,9 anos e a média do escore de risco (EuroSCORE) foi de 2,9%. Os grupos SUS e Não SUS não diferiram no tempo de espera pré-cirurgia (2,59±3,10 dias vs. 3,02±3,70 dias para os grupos SUS e não SUS, respectivamente; p = 0,790), mas diferiram nos tempos de terapia intensiva (2,17±3,84 vs. 2,52±2,72 dias para os grupos SUS e não SUS, respectivamente; p < 0,001), de pós-operatório (8,34±10,32 vs. 9,19 + 6,97 dias para os grupos SUS e não SUS, respectivamente; p < 0,001) e de permanência hospitalar total (10,93±11,08 vs. 12,21±8,20 dias para os grupos SUS e não SUS, respectivamente; p < 0.001). O grupo Não SUS teve mais cirurgia não eletiva (p = 0,002) e mais cirurgia sem circulação extracorpórea (p = 0,012). Os grupos não diferiram em relação a procedimento valvar associado (p = 0,057) e a outros procedimentos não valvulares (p = 0,053), mas diferiram nos procedimentos não cardíacos associados (p = 0,017). As taxas de readmissão na UTI (p = 0,636) e de complicações pós-operatórias foram semelhantes entre os grupos (p = 0,055). CONCLUSÃO: Os pacientes do grupo Não SUS tiveram tempos de permanência hospitalar maiores que o grupo SUS.

OBJECTIVE: The length of hospital stay (LOS) allows for the evaluation of the efficiency of a given hospital facility, as well as providing a basis for measuring the number of hospital beds required to provide assistance to the population in a specific area. METHODS: A retrospective survey was conducted on a database of 3,010 patients submitted to coronary artery bypass graft (CABG) from July, 2009 to July, 2010. RESULTS: Among 2,840 patients that met the inclusion criteria, 92.1% had their surgery paid by the Brazilian Unified Health System (Sistema Único de Saúde - SUS) and 7.9% by health plans or themselves (non-SUS). 70.2% were male, the average age was 61.9 years old, and the average risk score (EuroScore) was 2.9%. The SUS and the non-SUS groups did not differ regarding the waiting time for surgery (WTS) (2.59± 3.10 vs. 3,02±3,70 days for SUS and non-SUS respectively; p = 0.790), but did differ with respect to the length of stay in intensive care unit (2.17±3.84 vs. 2.52±2.72 days for SUS and non-SUS respectively; p < 0.001), the postoperative period (8.34±10.32 vs. 9,19±6.97 days for SUS and non-SUS respectively; p < 0.001), and the total LOS (10.93±11.08 vs. 12.21±8.20 days for SUS and non-SUS respectively; p < 0.001). The non-SUS group had more events of non-elective surgery (p = 0.002) and surgery without cardiopulmonary bypass (p = 0.012). The groups did not differ regarding the associated valve procedure (p = 0.057) nor other non-valve procedures (p = 0.053), but they did differ with respect to associated non-cardiac procedures (p = 0.017). ICU readmission (p = 0.636) and postoperative complications rates were similar in both groups (p = 0.055). CONCLUSION: The Non-SUS group showed longer LOS compared to the SUS group.

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OBJECTIVE: The length of hospital stay (LOS) allows for the evaluation of the efficiency of a given hospital facility, as well as providing a basis for measuring the number of hospital beds required to provide assistance to the population in a specific area. METHODS: A retrospective survey was conducted on a database of 3,010 patients submitted to coronary artery bypass graft (CABG) from July, 2009 to July, 2010. RESULTS: Among 2,840 patients that met the inclusion criteria, 92.1% had their surgery paid by the Brazilian Unified Health System (Sistema Único de Saúde - SUS) and 7.9% by health plans or themselves (non-SUS). 70.2% were male, the average age was 61.9 years old, and the average risk score (EuroScore) was 2.9%. The SUS and the non-SUS groups did not differ regarding the waiting time for surgery (WTS) (2.59± 3.10 vs. 3,02±3,70 days for SUS and non-SUS respectively; p=0.790), but did differ with respect to the length of stay in intensive care unit (2.17±3.84 vs. 2.52±2.72 days for SUS and non-SUS respectively; p < 0.001), the postoperative period (8.34±10.32 vs. 9,19±6.97 days for SUS and non-SUS respectively; p < 0.001), and the total LOS (10.93±11.08 vs. 12.21±8.20 days for SUS and non-SUS respectively; p < 0.001). The non-SUS group had more events of non-elective surgery (p=0.002) and surgery without cardiopulmonary bypass (p=0.012). The groups did not differ regarding the associated valve procedure (p=0.057) nor other non-valve procedures (p=0.053), but they did differ with respect to associated non-cardiac procedures (p=0.017). ICU readmission (p=0.636) and postoperative complications rates were similar in both groups (p=0.055). CONCLUSION: The Non-SUS group showed longer LOS compared to the SUS group.

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A randomized comparative study was performed to evaluate the control of hypertension with use of home blood pressure measurement (HBPM) and casual blood pressure measurement, and analyze the white coat effect. Hypertensive patients in primary health care units were randomly divided into two groups: group I, participating of the educational activities and group II that followed the routine treatment. The hypertensive patients from group I realized HBPM at the beginning and the end of the study. White-coat effect was evaluated by the difference between the casual blood pressure measurement and HBPM. The study included 290 hypertensive patients, but realized HBPM 82 hypertensive patients. There was increase in blood pressure control from the beginning to end of study in hypertensive patients from group I (p < 0.05) measured by HBP (60% to 68.3%) and casual measurement (62% to 71%) and in group II, HMBP hypertension control was higher than the casual blood pressure measurement (63% vs 50%). The white coat effect was greater in hipertensive patients from group II.

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