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      Evaluation of antihypertensive therapy in diabetic hypertensive patients: impact of ischemic heart disease Translated title: Evaluación del tratamiento antihipertensivo en pacientes diabéticos hipertensos: impacto de la enfermedad isquémica cardiaca

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          Abstract

          Macrovascular complications are common in diabetic hypertensive patients. Appropriate antihypertensive therapy and tight blood pressure control are believed to prevent or delay such complication. Objective: To evaluate utilization patterns of antihypertensive agents and blood pressure (BP) control among diabetic hypertensive patients with and without ischemic heart disease (IHD). Methods: Retrospective cohort study of all diabetic hypertensive patients attending Al-watani medical center from August 2006 until August 2007. Proportions of use of different antihypertensive drug classes were compared for all patients receiving 1, 2, 3, or 4 or more drugs, and separately among patients with and without IHD. Blood pressure control (equal or lower 130/80 mmHg) was compared for patients receiving no therapy, monotherapy, or combination therapy and separately among patients with and without IHD. Results: 255 patients were included in the study; their mean age was 64.4 (SD=11.4) years. Sixty one (23.9%) of the included patients was on target BP. Over 60% of the total patients were receiving angiotensin-converting enzyme inhibitors (ACEI)/ angiotensin receptor blocker (ARB), followed by diuretics (40.8%), calcium channel blockers (25.1%) and beta-blockers (12.5%). The majority (> 55%) of patients were either on mono or no drug therapy. More than 55% of patients with controlled BP were using ACE-I. More than half (50.8%) of the patients with controlled BP were on combination therapy while 42.3% of patients with uncontrolled BP were on combination therapy (p=0.24). More patient in the IHD achieved target BP than those in non-IHD group (p=0.019). Comparison between IHD and non-IHD groups indicated no significant difference in the utilization of any drug class with ACE-I being the most commonly utilized in both groups. Conclusions: Patterns of antihypertensive therapy were generally but not adequately consistent with international guidelines. Areas of improvement include increasing ACE-I drug combinations, decreasing the number of untreated patients, and increasing the proportion of patients with controlled BP in this population.

          Translated abstract

          Las complicaciones macrovasculares son frecuentes en pacientes diabéticos hipertensos. Se cree que un apropiado tratamiento antihipertensivo y un control estrecho de la presión arterial previenen o retrasan estas complicaciones. Objetivo: Evaluar los patrones de utilización de antihipertensivos y el control de la presión arterial (PA) en pacientes diabéticos hipertensos con y sin enfermedad isquémica cardiaca (EIC). Métodos: Estudio de cohorte retrospectivo de todos los pacientes diabéticos hipertensos que acudieron al centro médico Al-watani desde agosto 2006 a agosto 2007. Se compararon las proporciones de pacientes que recibían 1,2,3 o 4 o más medicamentos, y por separado los pacientes con y sin EIC. El control de presión arterial (menor o igual a 130/80 mmHg) se comparó en los pacientes recibiendo ningún tratamiento, monoterapia o tratamiento de combinación y por separado los que tenían o no EIC. Resultados: Se incluyeron en el estudio 255 pacientes; su media de edad era de 64,4 (DE=11,4) años. Sesenta y uno (23,9%) de los pacientes incluidos estaban en la presión arterial deseada. Más del 60% del total recibían inhibidores de la enzima convertidor de la angiotensina (IECA)/Antagonistas del receptor de angiotensina (ARA), seguidos de diuréticos (40,8%), bloqueantes de canales de calcio (25,1%), y beta-bloqueantes (12,5%). La mayoría (más del 55%) estaban en monoterapia o sin tratamiento. Más del 55% de los pacientes con la PA controlada utilizaban IECA. Más de la mitad (50,8%) de los pacientes con la PA controlada estaban con tratamiento de combinación, mientras que el 42,3% de los pacientes con PA descontrolada estaban con tratamiento combinado (p=0,24). Alcanzaron la PA deseada más pacientes del grupo EIC que del grupo no-EIC (p=0,019). La comparación entre los grupos EIC y no-EIC indicó que no había diferencia significativa en la utilización de ningún grupo de medicamentos con los IECA, siendo estos los más utilizados en los dos grupos. Conclusión: Los patrones de utilización de antihipertensivos fueron generalmente no consistentes con las recomendaciones internacionales. Las posibles mejoras incluyen aumentar las combinaciones de los IECA, disminuir la proporciona de pacientes no tratados, y aumentar la proporción de pacientes con PA controlada en esta población.

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          Most cited references25

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          MRC/BHF Heart Protection Study of antioxidant vitamin supplementation in 20,536 high-risk individuals: a randomised placebo-controlled trial.

          (2002)
          It has been suggested that increased intake of various antioxidant vitamins reduces the incidence rates of vascular disease, cancer, and other adverse outcomes. 20,536 UK adults (aged 40-80) with coronary disease, other occlusive arterial disease, or diabetes were randomly allocated to receive antioxidant vitamin supplementation (600 mg vitamin E, 250 mg vitamin C, and 20 mg beta-carotene daily) or matching placebo. Intention-to-treat comparisons of outcome were conducted between all vitamin-allocated and all placebo-allocated participants. An average of 83% of participants in each treatment group remained compliant during the scheduled 5-year treatment period. Allocation to this vitamin regimen approximately doubled the plasma concentration of alpha-tocopherol, increased that of vitamin C by one-third, and quadrupled that of beta-carotene. Primary outcomes were major coronary events (for overall analyses) and fatal or non-fatal vascular events (for subcategory analyses), with subsidiary assessments of cancer and of other major morbidity. There were no significant differences in all-cause mortality (1446 [14.1%] vitamin-allocated vs 1389 [13.5%] placebo-allocated), or in deaths due to vascular (878 [8.6%] vs 840 [8.2%]) or non-vascular (568 [5.5%] vs 549 [5.3%]) causes. Nor were there any significant differences in the numbers of participants having non-fatal myocardial infarction or coronary death (1063 [10.4%] vs 1047 [10.2%]), non-fatal or fatal stroke (511 [5.0%] vs 518 [5.0%]), or coronary or non-coronary revascularisation (1058 [10.3%] vs 1086 [10.6%]). For the first occurrence of any of these "major vascular events", there were no material differences either overall (2306 [22.5%] vs 2312 [22.5%]; event rate ratio 1.00 [95% CI 0.94-1.06]) or in any of the various subcategories considered. There were no significant effects on cancer incidence or on hospitalisation for any other non-vascular cause. Among the high-risk individuals that were studied, these antioxidant vitamins appeared to be safe. But, although this regimen increased blood vitamin concentrations substantially, it did not produce any significant reductions in the 5-year mortality from, or incidence of, any type of vascular disease, cancer, or other major outcome.
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            Health care and health status and outcomes for patients with type 2 diabetes.

            M Harris (2000)
            To evaluate access and utilization of medical care, and health status and outcomes that would be influenced by recent medical care, in a representative sample of patients with type 2 diabetes. A national sample of 733 adults with type 2 diabetes was studied from 1991 to 1994 in the Third National Health and Nutrition Examination Survey. Structured questionnaires and clinical and laboratory assessments were used to determine the frequencies of physician visits, health insurance coverage, screening for diabetes complications, treatment for hyperglycemia, hypertension, and dyslipidemia; and the proportion of patients who met treatment goals and established criteria for health outcome measures including hyperglycemia, albuminuria, obesity, hypertension, and dyslipidemia. Almost all patients had 1 source of primary care (95%), 2 or more physician visits during the past year (88%), and health insurance coverage (91%). Most (76%) were treated with insulin or oral agents for their diabetes, and 45% of those patients taking insulin monitored their blood glucose at least once per day The patients were frequently screened for retinopathy (52%), hypertension (88%), and dyslipidemia (84%). Of those patients with hypertension, 83% were diagnosed and treated with antihypertensive agents and only 17% were undiagnosed or untreated; most of the patients known to have dyslipidemia were treated with medication or diet (89%). Health status and outcomes were less than optimal: 58% had HbA1c >7.0, 45% had BMI >30, 28% had microalbuminuria, and 8% had clinical proteinuria. Of those patients known to have hypertension and dyslipidemia, 60% were not controlled to accepted levels. In addition, 22% of patients smoked cigarettes, 26% had to be hospitalized during the previous year, and 42% assessed their health status as fair or poor. Rates of health care access and utilization, screening for diabetes complications, and treatment of hyperglycemia, hypertension, and dyslipidemia in type 2 diabetes are high; however, health status and outcomes are unsatisfactory. There are likely to be multiple reasons for this discordance, including intractability of diabetes to current therapies, patient self-care practices, physician medical care practices, and characteristics of U.S. health care systems.
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              The Antihypertensive and Lipid-Lowering Treatment to Prevent Heart Attack Trial. Major Outcomes in High-Risk Hypertensive Patients Randomized to Angiotensin-Converting Enzyme Inhibitor or Calcium Channel Blocker vs Diuretic: The Antihypertensive and Lipid-Lowering Treatment to Prevent Heart Attack Trial (ALLHAT)

              (2002)
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                pharmacy
                Pharmacy Practice (Granada)
                Pharmacy Pract (Granada)
                Centro de Investigaciones y Publicaciones Farmacéuticas
                1885-642X
                March 2009
                : 7
                : 1
                : 40-46
                Affiliations
                [1 ] An-Najah National University Palestine
                [2 ] An-Najah National University Palestine
                Article
                S1885-642X2009000100006
                931ce0b9-066f-446d-88e5-071b4c09dce6

                This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 International License.

                History

                Hipertensión,Diabetes mellitus,Utilización de medicamentos,Palestina,Hypertension,Diabetes Mellitus,Drug Utilization,Palestine

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