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Malgré plusieurs études montrant les avantages du bon contrôle glycémique, celui-ci reste insuffisant pour un nombre important d’adultes atteints de diabète type 2. Plusieurs facteurs de risque sont associés au mauvais contrôle glycémique. L'insuffisance de prise en compte par les patients des conséquences immédiates et à long terme du mauvais contrôle glycémique peut aussi jouer un rôle. Les objectifs de cette thèse étaient : de déterminer la fréquence du mauvais contrôle glycémique, défini par un taux d’hémoglobine glyquée (HbA1c) ≥ 7,0% chez des sujets diabétiques de type 2 en Afrique sub-saharienne ; de déterminer les associations entre le mauvais contrôle glycémique et les facteurs de risque potentiels chez les diabétiques de type 2 en Afrique sub-saharienne ; de déterminer la fréquence des symptômes d'anxiété et de dépression et les facteurs de risque associés à ces états chez les diabétiques de type 2 en Afrique sub-saharienne. Les données transversales à l’inclusion de l'étude "Amélioration de l’accès à l'HbA1c en Afrique sub-saharienne" conduite au Cameroun et en Guinée ont été utilisées. Les valeurs d'HbA1c ont permis de dichotomiser la population des diabétiques en deux groupes: ceux avec un bon (HbA1c < 7,0%) ou ceux avec un mauvais (HbA1c ≥ 7,0%) contrôle glycémique. Des modèles de régression logistique binaire ont été utilisés pour évaluer les relations entre les facteurs de risque potentiels et le contrôle glycémique. Les analyses ont été conduites en utilisant le logiciel SAS. Des modèles multi variés ajustés sur les variables sociodémographiques, cliniques et les variables psychosociales ont été produits. Les résultats ont révélé que le pourcentage de diabétiques de type 2 avec un mauvais contrôle glycémique est élevé au Cameroun (68% de sujets avec une HbA1c ≥ 7,0%) et en Guinée (84% de sujets). Les principaux facteurs prédictifs du mauvais contrôle glycémique mis en évidence étaient : l'inclusion en Guinée, l’âge inférieur à 65 ans, la durée du diabète connue supérieure à 2 ans, un traitement par anti diabétique oral associé ou non à l’insuline et l'absence de mesures précédentes de l'HbA1c. Les symptômes d'anxiété et de dépression chez les diabétiques de type 2 étaient fréquents en Guinée (respectivement 34,4% et 58,7% des sujets). Un niveau élevé d'HbA1c (supérieur à 9%), la résidence en zone urbaine et le niveau de statut socio-économique étaient significativement associés à un risque plus élevé d'anxiété ou de dépression. / Despite several studies showing the benefits of good glycemic control , it is insufficient for a significant number of adults with type 2 diabetes. Several risk factors are associated with poor glycemic control . Inadequate consideration by patients immediate and long-term poor glycemic control may also play a role. The objectives of this thesis were : determine the frequency of poor glycemic control , defined as a glycated hemoglobin ( HbA1c) ≥ 7.0% in diabetic subjects with type 2 in sub- Saharan Africa ; determine the associations between poor glycemic control and potential risk factors in type 2 diabetes in sub- Saharan Africa ; determine the frequency of symptoms of anxiety and depression and risk factors associated with these conditions in type 2 diabetes in sub- Saharan Africa. Cross-sectional data for inclusion in the study "Improving access to HbA1c in sub- Saharan Africa " conduct in Cameroon and Guinea were used. HbA1c values ​​have allowed the diabetic population dichotomized into two groups: those with good (HbA1c <7.0 %) or those with bad (HbA1c ≥ 7.0%) glycemic control. Models of binary logistic regression were used to assess the relationship between potential risk factors and glycemic control . Analyses were conducted using SAS software . Adjusted for sociodemographic variables , clinical and psychosocial variables varied multi models were produced . The results showed that the percentage of type 2 diabetics with poor glycemic control is higher in Cameroon (68% of subjects with HbA1c ≥ 7.0 %) and Guinea (84% of subjects) . The main predictors of poor glycemic control were highlighted : the inclusion in Guinea, less than 65 years age, duration of more than 2 years known diabetes , treatment with oral anti diabetic with or without insulin and the absence of previous measurements of HbA1c . Symptoms of anxiety and depression in type 2 diabetes were common in Guinea ( respectively 34.4 % and 58.7 % of subjects) . A high HbA1c level ( above 9% ) , the urban residence and level of socio -economic status were significantly associated with a higher risk of anxiety or depression risk.

Made available in DSpace on 2016-06-24T04:15:34Z (GMT). No. of bitstreams: 1 Texto Completo.pdf: 617036 bytes, checksum: ac8c33b1b5f5f9f68bc50c8d536970e6 (MD5) Previous issue date: 2006-12-12 / With the purpose of analyzing the blood glucose responses during and after exercise performed at 90 and 110% of anaerobic threshold (AT) and compare the intensity of lactate threshold (LT) with the intensity of delta lactate (DL), 14 type-2 diabetic patients (DM2) (60±11 years; 79±15 Kg; 162±6.5 cm) performed an incremental test (IT) on cycle ergometer. After the IT for AT identification, participants to three experimental sessions on different days: a 20 min of cycling either at 90 or 110% of AT (with the identification of DL) and a control session (CON). Blood glucose was measured at rest, 10 and 20th min of exercise or control condition, as well as at each 15 min during a 2 hour post-exercise recovery period (Rec). Test t-student no identified differences significant between LT and DL of variation 0. The One Way ANOVA did not identify significant differences in blood glucose between the 90 and 110% AT session. Both exercise intensities induced a significant decrease in blood glucose compared to CON, a significant decrease was observed at the 20th min of exercise (-41 + 15 mg.dl-1), and at the 15th min (-48 + 21 mg.dl-1) and 60th min of Rec from the 90% of AT session. It was also observed a significant decrease at 10 and 20 min of exercise and at 15th, 30th, 45th, 60th and 90th min of Rec from the session at 110% of AT. The exercise performed at a higher intensity (110% AT) resulted in a higher hypoglicemiant effect and may be an alternative of exercise intensity to better control the blood glucose for type 2 diabetics well no have cardiovascular complications or other restrictions to exercise performed above the AT. The DL of variation 0 can be used as a submaximum method to identify of the LT. / Com o propósito de analisar a resposta da glicose sanguínea durante e após exercício a 90 e 110% do limiar anaeróbio (LA) e comparar a intensidade do limiar de lactato (LL) com a intensidade do delta de lactato (DL), 14 voluntários diabéticos tipo 2 (DM2) (60 ± 11 anos; 79 ± 15 Kg; 162 ± 6,5 cm), realizaram um teste incremental (TI) em cicloergômetro. Após realização do teste incremental para identificação do LA, os voluntários realizaram 3 sessões experimentais em dias distintos: 20 minutos em bicicleta ergométrica a 90 e 110% LA (com a identificação do DL) e uma sessão controle (CON). Glicose sanguínea foi mensurada no repouso, aos 10 e 20 min do exercício ou na situação controle, bem como a cada 15 minutos durante 2 horas do período de recuperação pós-exercício (Rec). Teste t-student não identificou diferenças significantes entre LL e DL de variação 0 .ANOVA não identificou diferenças significantes nas concentrações de glicose sanguínea durante e após as sessões de 90 e 110% do LA. Ambas intensidades de exercício promoveram uma diminuição significativa nas concentrações de glicose comparadas ao CON. Redução significativa da glicemia foi observada aos 20 min de exercício (-41 + 15 mg.dl- 1), aos 15 min (-48 + 21 mg.dl-1) e 60 min da Rec pós sessão a 90% do LA enquanto que foi observada uma queda significativa da glicemia aos 10 e 20 min do exercício e aos 15, 30, 45, 60 e 90 min da Rec após sessão de 110% LA ambas em relação ao controle. O exercício de maior intensidade (110% LA) resultou em maior efeito hipoglicemiante e pode ser uma alternativa para um melhor controle da glicose sanguínea em diabéticos tipo 2 que não possuam problemas cardiovasculares ou outras complicações e restrições ao exercício realizado acima do LA. O DL de variação 0 poderia ser utilizado como um método submáximo para identificar o LL.

Estudo caso-controle realizado no Centro de Saúde Escola (FMRP USP) em Ribeirão Preto SP, no período de 2010 a 2012. O objetivo do estudo foi comparar a qualidade vida geral de dois grupos de pessoas com diabetes mellitus (DM) tipo 2: um com controle glicêmico satisfatório e outro com controle glicêmico insatisfatório. A hipótese a ser testada foi que uma boa qualidade de vida está associada a um melhor controle glicêmico nesses indivíduos. A amostra foi constituída por 90 usuários, sendo 30 casos e 60 controles, com diagnóstico de diabetes mellitus tipo 2. Foi considerado caso o paciente com o diabetes mellitus com controle glicêmico satisfatório e controle o paciente com controle glicêmico insatisfatório, avaliado por meio do resultado da hemoglobina glicada (A1c), realizada nos quatro meses anteriores à entrevista. Para a coleta de dados foram utilizados três questionários: o WHOQOL BREF, o Teste de Morisky e Green e outro sobre condições sócio-demográficas e clínicas. Para a análise utilizou-se estatística descritiva e o Teste de Wilcoxon; considerou-se um nível de significância de 0,05 para todas as análises. Os resultados mostraram que a maioria dos entrevistados era do sexo feminino (78,8%), com idade média de 61 anos. Em relação à qualidade de vida, a proporção de controles que se auto-avaliam como satisfeitos foi maior do que nos casos e quanto ao grau de satisfação com a saúde, entre os mais satisfeitos também estão os controles, porém sem diferença estatística significante. Quando se comparou os resultados de cada domínio do WHOQOL-BREF entre os grupos caso e controle, pode-se observar que os dois grupos têm uma baixa satisfação da qualidade de vida no domínio psicológico (51,2 e 50,9), seguido do domínio físico (58,4 e 56,8); os domínios das relações sociais (86,9 e 78,8) e meio ambiente (69,2 e 64,0) foram os que mais se associaram positivamente à qualidade de vida dos entrevistados. As diferenças não apresentaram significância estatística entre os casos e controles nos domínios físico (p = 0,578) e psicológico (p = 0,948) e houve diferença estatística significante entre os grupos nos domínios relações pessoais (p = 0,045) e meio ambiente (p = 0,039). De acordo com o Teste de Morisky e Green, os dois grupos foram classificados como menos aderente, e a diferença entre os grupos não foi estatisticamente significante (p = 0,878). Os dados obtidos, no presente estudo, apontam que os aspectos ligados às relações sociais e ao meio ambiente devem ser priorizados nas atividades educativas que visem a melhoria do controle glicêmico dos indivíduos com diabetes mellitus. / Case-control study conducted at the School Health Center (University of São Paulo at Ribeirão Preto Medical School FMRP-USP) in the city of Ribeirão Preto, state of São Paulo, from 2010 to 2012. This study aimed to compare the quality of life of two groups of people with diabetes mellitus (DM) type 2: one with satisfactory glycemic control and another with poor glycemic control. The hypothesis to be tested was that a good quality of life is associated with better glycemic control in these individuals. The sample consisted of 90 users, being 30 cases and 60 controls diagnosed with type 2 diabetes mellitus. Case was considered the patient with diabetes mellitus and with satisfactory glycemic control; and control, the patient with poor glycemic control, assessed through results of glycated hemoglobin (A1c), performed in the four months preceding the interview. To collect the data three questionnaires were used: the WHOQOL-BREF, the Morisky and Green Test, and one on socio-demographic and clinical conditions. For the analysis, the descriptive statistics and the Wilcoxon test were used; and the researchers considered a significance level of 0.05 for all analyzes. The results showed that the majority of respondents were female (78.8%) with an average age of 61 years. Regarding quality of life, the proportion of controls that self-assess as satisfied was higher than the cases; and regarding the degree of satisfaction with health, also the controls were among the most satisfied; however no statistically significant difference was found. When comparing the results of each domain of WHOQOL-BREF between case and control groups it can be observed that both groups have a low satisfaction of quality of life in psychological domain (51.2 and 50.9), followed by physical domain (58.4 and 56.8); domains of social relationships (86.9 and 78.8) and environment (69.2 and 64.0) were the most associated positively to quality of life of the respondents. The differences were not statistically significant between cases and controls considering physical (p=0.578) and psychological (p=0.948) domains; and the differences were statistically significant between the groups considering personal relationships (p=0.045) and environment (p=0.039) domains. According to the Morisky and Green Test, both groups were classified as \"less adherent\", and the difference between groups was not statistically significant (p=0.878). The data obtained in this study indicate that should be given priority to the aspects linked to social relations and environment in the educational activities aimed at improving glycemic control in individuals with diabetes mellitus.

Estudo caso-controle realizado no Centro de Saúde Escola (FMRP USP) em Ribeirão Preto SP, no período de 2010 a 2012. O objetivo do estudo foi comparar a qualidade vida geral de dois grupos de pessoas com diabetes mellitus (DM) tipo 2: um com controle glicêmico satisfatório e outro com controle glicêmico insatisfatório. A hipótese a ser testada foi que uma boa qualidade de vida está associada a um melhor controle glicêmico nesses indivíduos. A amostra foi constituída por 90 usuários, sendo 30 casos e 60 controles, com diagnóstico de diabetes mellitus tipo 2. Foi considerado caso o paciente com o diabetes mellitus com controle glicêmico satisfatório e controle o paciente com controle glicêmico insatisfatório, avaliado por meio do resultado da hemoglobina glicada (A1c), realizada nos quatro meses anteriores à entrevista. Para a coleta de dados foram utilizados três questionários: o WHOQOL BREF, o Teste de Morisky e Green e outro sobre condições sócio-demográficas e clínicas. Para a análise utilizou-se estatística descritiva e o Teste de Wilcoxon; considerou-se um nível de significância de 0,05 para todas as análises. Os resultados mostraram que a maioria dos entrevistados era do sexo feminino (78,8%), com idade média de 61 anos. Em relação à qualidade de vida, a proporção de controles que se auto-avaliam como satisfeitos foi maior do que nos casos e quanto ao grau de satisfação com a saúde, entre os mais satisfeitos também estão os controles, porém sem diferença estatística significante. Quando se comparou os resultados de cada domínio do WHOQOL-BREF entre os grupos caso e controle, pode-se observar que os dois grupos têm uma baixa satisfação da qualidade de vida no domínio psicológico (51,2 e 50,9), seguido do domínio físico (58,4 e 56,8); os domínios das relações sociais (86,9 e 78,8) e meio ambiente (69,2 e 64,0) foram os que mais se associaram positivamente à qualidade de vida dos entrevistados. As diferenças não apresentaram significância estatística entre os casos e controles nos domínios físico (p = 0,578) e psicológico (p = 0,948) e houve diferença estatística significante entre os grupos nos domínios relações pessoais (p = 0,045) e meio ambiente (p = 0,039). De acordo com o Teste de Morisky e Green, os dois grupos foram classificados como menos aderente, e a diferença entre os grupos não foi estatisticamente significante (p = 0,878). Os dados obtidos, no presente estudo, apontam que os aspectos ligados às relações sociais e ao meio ambiente devem ser priorizados nas atividades educativas que visem a melhoria do controle glicêmico dos indivíduos com diabetes mellitus. / Case-control study conducted at the School Health Center (University of São Paulo at Ribeirão Preto Medical School FMRP-USP) in the city of Ribeirão Preto, state of São Paulo, from 2010 to 2012. This study aimed to compare the quality of life of two groups of people with diabetes mellitus (DM) type 2: one with satisfactory glycemic control and another with poor glycemic control. The hypothesis to be tested was that a good quality of life is associated with better glycemic control in these individuals. The sample consisted of 90 users, being 30 cases and 60 controls diagnosed with type 2 diabetes mellitus. Case was considered the patient with diabetes mellitus and with satisfactory glycemic control; and control, the patient with poor glycemic control, assessed through results of glycated hemoglobin (A1c), performed in the four months preceding the interview. To collect the data three questionnaires were used: the WHOQOL-BREF, the Morisky and Green Test, and one on socio-demographic and clinical conditions. For the analysis, the descriptive statistics and the Wilcoxon test were used; and the researchers considered a significance level of 0.05 for all analyzes. The results showed that the majority of respondents were female (78.8%) with an average age of 61 years. Regarding quality of life, the proportion of controls that self-assess as satisfied was higher than the cases; and regarding the degree of satisfaction with health, also the controls were among the most satisfied; however no statistically significant difference was found. When comparing the results of each domain of WHOQOL-BREF between case and control groups it can be observed that both groups have a low satisfaction of quality of life in psychological domain (51.2 and 50.9), followed by physical domain (58.4 and 56.8); domains of social relationships (86.9 and 78.8) and environment (69.2 and 64.0) were the most associated positively to quality of life of the respondents. The differences were not statistically significant between cases and controls considering physical (p=0.578) and psychological (p=0.948) domains; and the differences were statistically significant between the groups considering personal relationships (p=0.045) and environment (p=0.039) domains. According to the Morisky and Green Test, both groups were classified as \"less adherent\", and the difference between groups was not statistically significant (p=0.878). The data obtained in this study indicate that should be given priority to the aspects linked to social relations and environment in the educational activities aimed at improving glycemic control in individuals with diabetes mellitus.

Caregivers (CG) often neglect their own self-care which may have deleterious effects if CG have a chronic illness, such as diabetes. Care demands have been linked to CG health, although the mechanisms are unclear. The purpose of this study was to examine the relationships of CG stress, depressive symptoms, and diabetes self-care practices on CG physical health (PH) and glycemic control (GC) in an underrepresented group of Hispanic CG with diabetes. A correlational design was used in a non-random sample of 42 Hispanic CG with diabetes (Type I or II) recruited from two health centers serving the uninsured. CG had diabetes for ≥ 6 months, were on average 48.0 (± 11.4) years old, 73.8% female, and 54.8 % with < 8th grade education. Care recipients were on average 53.9 (± 14.0) years old, 54.8 % male, and were functionally independent. Standard questionnaires for perceived caregiving stress (Caregiver Burden Scale), depressive symptoms (CES-D), diabetes self-care practices (Diabetes Care Profile), PH (PCS of the SF12v2) and CG characteristics were administered in person. GC was measured using the glycosylated hemoglobin A1c (HgbA1c). Statistical analysis included correlations, t-tests, and multiple linear regression. On average CG had poor GC (HgbAlc M = 9.0, ± 2.12), but rated their PH better than others with diabetes. CG with high stress had more depressive symptoms (M = 23.75 ± 12.75) than CG with lower stress (M = 15.75 ± 12.01; t (40) = 2.00, p = .026). Almost half (40.5%) had depressive symptoms indicating possible clinical depression. The hypothesized models of caregiver stress, depressive symptoms, and self-care practices were not associated with CG PH (p > .05) or GC (p >.05); however, more persons in the household was associated with poor GC. This study provided support for the influence of CG stress on psychological health in the experience of Hispanic CG with diabetes. The findings of high levels of depressive symptoms and poor GC suggest the need for health care professionals to assess the psychological health of Hispanic CG and better educate them about the importance of GC for prevention of serious health problems.

Background: The number of adults affected by diabetes mellitus in developing countries, such as South Africa, is projected to grow by 170%, from 84 to 228 million people between 1995 and 2025 .This high and increasing prevalence of diabetes worldwide, and the economic burden of diabetes on developing countries like South Africa emphasizes the importance of ensuring good glycemic control so as to slow down the rate of disease progression and prevent complications. The district health care facilities are the foundation of the health care system of South Africa. The current practice is that diabetics have a point of care random blood glucose (RBG) done on the morning of their clinic appointment and this is used as a form of assessment of glycemic control during the consultation. For further clinical decision making a HbA1c is done once a year as a benchmark of glycemic control. The practical clinical question that arises is whether the assumptions underlying local clinical decision making using the RBG are valid and to what extent RBG can be used to guide clinical management. Aim and Objectives: The aim of this study was to assess the strength of the correlation between RBG and HbA1c and to make recommendations for the interpretation of RBG results in adult patients with Type 2 Diabetes taken at Karl Bremer District Hospital out-patient department. The objectives were: To determine glycaemic control in the study population and compare differences between age, sex and racial groups , and determine the RBG cut-off with the best sensitivity and specificity for predicting poor glycaemic control (HbA1c>7.0% ) as well as the predictive value, likelihood ratio and pre/post-test odds and probability at this cut off. Methods: A retrospective analysis of existing hospital data and the HbA1c tests requested from the NHLS by Karl Bremer Hospital over the 2011 year period. The data was analysed by means of a receiver operating characteristic (ROC) curve analysis to determine the value of RBG with the best combination of sensitivity and specificity to predict poor control of diabetes. A p-value of < 0.05 was assumed to represent statistical significance and 95% confidence intervals were used to describe the estimation of unknown parameters. HbA1c level of < = 7% was taken as representing good control and > 7% poor control. Results: Data was obtained on 349 diabetic patients of whom 203 (58.2%) were female and 146 (41.8%) male. This study population had a mean age of 54.7 years, mean RBG of 13.0mmol/l and mean HBA1c of 9.4%. The total number of black patients was 79 (23%), coloured patients 147 (42%) and white patients 122 (35) % and their mean RBG were 15.4 mmol/l, 12.8 mmol/l and 11.9 mol/l respectively. There was a statistically significant correlation between increasing RBG and increasing HbA1c (p< 0.01). The best value obtained on the ROC curve was an RBG of 9.8 mmol/l, which had a sensitivity of 77% and a specificity of 75%, positive predictive value of 0.88, positive likelihood ratio 3.08 and post-test probability of 88.2% for predicting an HbA1c above 7%. Conclusion: It was concluded that a moderate correlation exists between RBG and HbA1c in this population of diabetic patients. .The best RBG for determining poor control, defined as a HbA1c>7.0%, was found to be 9.8mmol/l and this RBG had a sensitivity of 77% , specificity of 75% and positive predictive value of 88%. Significant differences were found in pre- and post -test probability for different racial groups. Point of care testing using this level of RBG for clinical decision making will inappropriately categorise 23% of patients in this population and therefore introducing point of care testing for HbA1c is recommended.

Conselho Nacional de Desenvolvimento Científico e Tecnológico / Segundo a American Diabetes Association, é importante a ênfase no controle glicêmico com o objetivo de prevenir complicações microvasculares em diabéticos, e a adoção de um plano alimentar saudável é fundamental no tratamento destes pacientes. O método de contagem de carboidratos é uma estratégia nutricional, é um método usado por indivíduos diabéticos, que associa o total de carboidratos ingerido nas refeições com a dose de insulina utilizada, com o objetivo de manter a glicemia dentro dos limites convenientes. O objetivo desse estudo foi avaliar se a intervenção nutricional, utilizando o método de contagem de carboidratos, influencia o controle glicêmico de pacientes com diabetes mellitus tipo 1 (DM1). Foram avaliados 157 DM1, 96 constituíram o grupo intervenção com dieta prescrita e com o uso do método de contagem de carboidratos e 61 pacientes DM1 constituíram o grupo controle com dieta prescrita e sem contagem de carboidratos. Os diabéticos foram monitorados por um período de seis meses. Na primeira visita foram submetidos a um questionário de caracterização dos indivíduos, avaliação antropométrica, bioquímica, clínica e dietética. Houve diferença significativa entre o registro alimentar preenchido durante 3 dias e a dieta prescrita, nos gramas de proteína consumidos por dia 50,39 + 29,27 e 22,01 + 3,05 (p= 0,02), como também no índice glicêmico (IG) do almoço 43,00 + 24,89 e 7,83 + 1,88 (p=0,02), e do jantar 50,09 + 35,09 e 7,56 + 2,57 (p=0,00). Em relação a avaliação antropométrica houve aumento não significativo em ambos os grupos, no Índice de Massa Corporal calculado e nos parâmetros antropométricos (circunferência abdominal, circunferência de quadril e relação cintura-quadril). Na avaliação dos parâmetros bioquímicos, observa-se diminuição significativa, somente no grupo intervenção, da hemoglobina glicada (A1C) de 9,8 + 2,26 para 9,1 + 2,16 (p= 0,023) após 6 meses. As correlações entre os dados antropométricos e a A1C, e entre os diferentes tipos de ácidos graxos da dieta proposta e parâmetros bioquímicos colesterol, triglicerídeos, HDLc e LDLc plasmáticos foram consideradas de baixa intensidade. Diante dos resultados concluiu-se que a intervenção por meio do método de contagem de carboidratos proporcionou uma melhora significativa no controle glicêmico dos pacientes estudados. / According to the American Diabetes Association, is important to focus on glycemic control in order to prevent microvascular complications in patients with type 1 diabetes, and the adoption of a plan healthy food is crucial in treating these patients. The method of carbohydrate counting is a nutritional strategy, it is a method used by diabetic individuals, which combines the total carbohydrate intake at meals with the dose of insulin used, with the goal of maintaining blood glucose within the limits appropriate. The aim of this study was to assess whether the nutrition intervention, using the method of carbohydrate couting, influences the glycemic control of patients with diabetes mellitus type 1 (DM1). We evaluated 157 DM1, 96 constituted the intervention group with diet and the use of the method of carbohydrate counting and 61 DM1 patients formed the control group with diet and without the method of carbohydrate counting. The patients were monitored for six months. In the first visit were submitted to a questionnaire, anthropometric, biochemical, clinical and dietary evaluations. Significant difference between the food record completed for 3 days and prescribed diet, in grams of protein consumed per day 50.39 + 29.27 and 22.01 + 3.05 (p = 0.02), on the glycemic index (GI) of lunch 43.00 + 24.89 and 7.83 + 1.88 (p = 0.02), and dinner 50.09 + 35.09 and 7.56 + 2.57 (p = 0.00). For anthropometric assessment increase was not significant in both groups, the body mass index and anthropometric parameters (waist circumference, hip circumference and the waist-hip ratio). In the assessment of biochemical parameters, there is a significant decrease, only in the intervention group, the glycated hemoglobin (A1C) from 9.8 + 2.26 to 9,1 + 2.16 (p = 0.023) after 6 months. The correlations between the anthropometric data and A1C, and between different types of fatty acids in the diet proposal and biochemical parameters cholesterol, triglycerides, HDLc and LDLc plasma were of low intensity. The results concluded that intervention by the method of carbohydrate counting has provided a significant improvement in glycemic control of patients.