Pharmacist services provided in general practice clinics: A systematic review and meta-analysis

BackgroundIntegration of pharmacists into primary care general practice clinics has the potential to improve interdisciplinary teamwork and patient care; however this practice is not widespread.ObjectiveThe aim of this study was to review the effectiveness of clinical pharmacist services delivered in primary care general practice clinics.MethodsA systematic review of English language randomized controlled trials cited in the Cochrane Central Register of Controlled Trials, MEDLINE, EMBASE and International Pharmaceutical Abstracts was conducted. Studies were included if pharmacists had a regular and ongoing relationship with the clinic; delivered an intervention aimed at optimizing prescribing for, and/or medication use by, clinic patients; and were physically present within the clinic for all or part of the intervention, or for communication with staff. The search generated 1484 articles. After removal of duplicates and screening of titles and abstracts against inclusion criteria, 131 articles remained. A total of 38 studies were included in the review and assessed for quality. Seventeen studies had common endpoints (blood pressure, glycosylated hemoglobin, cholesterol and/or Framingham risk score) and were included in meta-analyses.ResultsTwenty-nine of the 38 studies recruited patients with specific medical conditions, most commonly cardiovascular disease (15 studies) and/or diabetes (9 studies). The remaining 9 studies recruited patients at general risk of medication misadventure. Pharmacist interventions usually involved medication review (86.8%), with or without other activities delivered collaboratively with the general practitioner (family physician). Positive effects on primary outcomes related to medication use or clinical outcomes were reported in 19 studies, mixed effects in six studies, and no effect in 13 studies. The results of meta-analyses favored the pharmacist intervention, with significant improvements in blood pressure, glycosylated hemoglobin, cholesterol and Framingham risk score in intervention patients compared to control patients.ConclusionsPharmacists co-located in general practice clinics delivered a range of interventions, with favorable results in various areas of chronic disease management and quality use of medicines.     

Economic impact of community pharmacist intervention in cholesterol risk management: an evaluation of the study of cardiovascular risk intervention by pharmacists

The Study of Cardiovascular Risk Intervention by Pharmacists, a randomized, controlled trial in over 50 community pharmacies in Alberta and Saskatchewan, Canada, demonstrated that a pharmacist intervention program improved cholesterol risk management in patients at high risk for cardiovascular disease. In a substudy, costs and consequences were analyzed to describe the economic impact of the program. Two perspectives were taken: a government-funded health care system and a pharmacy manager. Costs were reported in 1999 Canadian dollars. Incremental costs to a government payor and community pharmacy manager were $6.40/patient and $21.76/patient, respectively, during the 4-month follow-up period. The community pharmacy manager had an initial investment of $683.50. The change in Framingham risk function for the intervention group from baseline also was reported. The 10-year risk of cardiovascular disease decreased from 17.3% to 16.4% (p<0.0001) during the 4 months. The intervention program in this study led to a significant reduction in cardiovascular risk in the intervention group during the 4-month follow-up period. The incremental cost to provide the program appeared minimal from both government and pharmacy manager perspectives. It is hoped that these results could support negotiations for reimbursement of clinical pharmacy services with payors.     

Maximal expected benefits from lowering cholesterol in primary prevention for a high-risk population

Aims: The objective of this study was to estimate the maximal clinical benefit that could be reasonably expected from a cholesterol-lowering intervention.

Materials and methods: We used a hypothetical population at high risk of cardiovascular disease events from three risk assessment models including the Framingham risk function, the Score Canada and the Pooled Cohort Risk Assessment Equations. Our source population were all 55-year-old smoking men with diabetes, hypertension and low HDL. From this population, we identified two different subpopulations named “high” and “low”, referring to their cholesterol levels which were set at 8.60 and 4.14?mmol/L respectively. Both subpopulations were identified for each risk assessment model in order to estimate the maximal impact of lowering cholesterol on cardiovascular disease events.

Results: Our extrapolations estimated that the maximal theoretical efficacy of a cholesterol-lowering intervention corresponds to a risk ratio ranging between 0.46 and 0.66 over a 10-year period. The number of events prevented during this period were between 21 and 29 per 100 patients which corresponds to a number needed to treat varying from 3.47 to 4.76.

Conclusions: Our estimation showed the maximal clinical benefit that could be reasonably expected by an intervention that would lower total cholesterol in high-risk patients.     

A structured review of the relationship between microalbuminuria and cardiovascular events in patients with diabetes mellitus and hypertension

STUDY OBJECTIVE: To quantify the relative risk of cardiovascular events associated with microalbuminuria in patients with both diabetes mellitus and hypertension. DESIGN: A structured literature search from January 1990-December 2002 using MEDLINE, IPA, and CINAHL. MEASUREMENTS AND MAIN RESULTS: We identified original studies that reported the presence or absence of microalbuminuria and estimates of risk associated with cardiovascular events in patients with both diabetes and hypertension. Abstracted information consisted of study design, patient demographics and risk factors, treatment regimens, and outcome variables. Point estimates and confidence intervals for relative risk were calculated from available data. Of 651 citations identified and reviewed based on title and abstract, 72 were selected for full review. Seven met the inclusion criteria. Because of lack of homogeneity among studies, the results were not conducive to pooling. Cardiovascular end points associated with the presence of microalbuminuria in these studies were all-cause mortality, cardiovascular mortality, and composite cardiovascular morbidity. The relative risk of cardiovascular end points associated with the presence of microalbuminuria ranged from 1.6 (95% confidence interval [CI] 1.2-2.2) to 7.9 (95% CI 2.5-25.3). CONCLUSION: From the limited information available, the risk of cardiovascular events and mortality is estimated to be 2-8 times higher when microalbuminuria is present in patients with diabetes and hypertension. Point estimates in relative risk of cardiovascular morbidity and mortality in patients with diabetes and hypertension were generally higher compared with studies estimating risk in those with only diabetes. Studies that examine the relationship between microalbuminuria (scaled as a continuous or ordinal variable) and cardiovascular events are necessary to clarify potential benefits of pharmacotherapies that reduce levels of urinary albumin.     

Outcome studies in type 2 diabetes

BACKGROUND: Outcome studies are used to measure clinically meaningful primary end points, such as mortality and cardiovascular morbidity. However, few outcome trials have been conducted exclusively in people with diabetes; the majority of conventional diabetes trials use surrogate end points that may or may not translate into clinical benefits. Our current knowledge of the effects of pharmacotherapies on cardiovascular risk in patients with diabetes has been gained from subgroups included in large-scale studies. Several trials with lipid-modifying, antiplatelet and/or antihypertensive therapy, for example the recent Collaborative AtoRvastatin Diabetes Study, have included sufficient numbers of patients with diabetes to indicate that effective management can reduce cardio vascular risk in this patient population. The United Kingdom Diabetes Study and the Diabetes Control and Complications Trial provide important, but inconclusive data on the impact of glucose-lowering therapy on the incidence of cardiovascular complications in diabetes. Thiazolidinediones have only become available during the past few years, thus their effects were not assessed in these landmark trials. Ongoing studies in diabetic populations at high risk for further macrovascular events, such as the PROspective pioglitAzone Clinical Trial In macroVascular Events, have been designed to assess the effect of thiazolidinediones on cardiovascular outcome in patients with diabetes and should help to reinforce the importance of broad-based treatment of the multiple metabolic risk factors for cardiovascular disease in people with diabetes. SCOPE: This paper (based upon MEDLINE and EMBASE literature searches in the year range 1990-2005) reviews what we have learned from outcome studies up to the end of 2004 and looks at what we hope to learn from ongoing studies.     

Reducing coronary risk by raising HDL-cholesterol: risk modelling the addition of nicotinic acid to existing therapy

ABSTRACT

Background and objectives: Reduction in total cholesterol (TC) and LDL-cholesterol (LDL-C) forms one of the principal objectives of most cardiovascular secondary prevention strategies. Many patients being treated with statins, however, have significant residual dyslipidaemia, with many having suboptimal HDL-cholesterol (HDL-C) levels. The addition of nicotinic acid to a statin has been shown to improve this profile, although clinical outcome evidence is currently lacking. This study set out to model the impact of nicotinic acid therapy on cardiovascular risk in these patients, based on Framingham risk assessments on a cohort of patients drawn from UK general practitioner records.

Methods: Cardiovascular risk profiles were extracted from a research database of 602?222 patients from 98 UK general practices. 23?262 statin-treated patients with established cardiovascular disease or diabetes were identified and their 4-year Framingham risk was estimated. Patients who had either TC or HDL-C outside the desirable range then had their lipid profile adjusted in accordance with the likely performance of nicotinic acid, and the Framingham risk was then re-assessed.

Results: Baseline 4-year coronary risk in the group as a whole was 11.5% (95%CI: 11.4–11.6). After adjustment of the lipid profile, this was reduced to 9.7% (95%CI: 9.6–9.8), a reduction in risk of 15.9% (95%CI: 15.1–16.6). When modelling was limited to those with diabetes or an abnormal treated lipid profile, the magnitude of change was increased to 23–29% depending on sex and subgroup.

Conclusions: Risk factor modelling suggests that raising HDL-C levels using nicotinic acid in statin-treated patients is likely to yield significant incremental clinical benefits. The results of clinical trials currently under way are awaited with interest.     

Influence of pharmaceutical care on health outcomes in patients with Type 2 diabetes mellitus

AIMS

To examine the influence of a pharmaceutical care programme on disease control and health-related quality of life in Type 2 diabetes patients in the United Arab Emirates.

METHODS

A total of 240 Type 2 diabetes patients were recruited into a randomized, controlled, prospective clinical trial with a 12-month follow-up. A range of clinical measures, medication adherence and health-related quality of life (Short Form 36) were evaluated at baseline and up to 12 months. Intervention group patients received pharmaceutical care from a clinical pharmacist, whereas control group patients received their usual care from medical and nursing staff. The primary outcome measure was change in HbA_1c. British National Formulary and Framingham scoring methods were used to estimate changes in 10-year coronary heart disease risk scores in all patients.

RESULTS

A total of 234 patients completed the study. Significant reductions (P < 0.001) in mean values (baseline vs. 12 months; 95% confidence interval) of HbA_1c[8.5% (8.3, 8.7) vs. 6.9% (6.7, 7.1)], systolic [131.4 mmHg (128.1, 134.7) vs. 127.2 mmHg (124.4, 130.1)] and diastolic blood pressure [85.2 mmHg (83.5, 86.8) vs. 76.3 mmHg (74.9, 77.7)] were observed in the intervention group; no significant changes were noted in the control group. The mean Framingham risk prediction score in the intervention group was 10.56% (9.7, 11.4) at baseline; this decreased to 7.7% (6.9, 8.5) (P < 0.001) at 12 months but remained unchanged in the control group.

CONCLUSIONS

The pharmaceutical care programme resulted in better glycaemic control and reduced cardiovascular risk scores in Type 2 diabetes patients over a 12-month period.     

超敏C反应蛋白对急性ST段抬高心肌梗死患者心脏终点事件的预测价值

目的：探讨超敏 C 反应蛋白（hs - CRP）对急性 ST 段抬高心肌梗死患者心脏终点事件的预测价值。方法选择我院冠心病监护病房2011—2012年收治的69例胸痛发作24h 内急性 ST 段抬高心肌梗死患者,患者入院后均根据病情给予对症的 PCI、保守或溶栓治疗。PCI 治疗患者术前采血检测hs - CRP。根据心脏终点事件发生情况将所有患者分为非事件组（未发生不良心血管事件）、事件组（发生不良心血管事件）,判断年龄、性别、吸烟、高血压史、糖尿病史、高胆固醇史、左心室舒张末期内径（LVEDD）、左心室射血分数（LVEF）及hs - CRP与发生不良心血管事件的关系。结果事件组患者中男性、糖尿病史所占比例高于对照组,年龄、hs - CRP均大于非事件组,LVEF低于非事件组,差异有统计学意义（P 〈0.05）。多因素 Logistic 回归分析发现,年龄、糖尿病史、LVEF、hs - CRP进入回归方程〔比值比（ OR）及95％可信区间（ CI）分别为1.08（1.056,1.100）,2.48（2.050,2.930）,1.11（1.070,1.150）,1.01（1.010,1.021）〕。结论 hs - CRP可作为预测急性 ST 段抬高心肌梗死患者心脏终点事件的指标。     

Workplace-based cardiovascular risk management by community pharmacists: impact on blood pressure, lipid levels, and weight

STUDY OBJECTIVE: To assess the effectiveness of a community pharmacist-delivered cardiovascular case-management program by comparing body mass index (weight), systolic and diastolic blood pressure, and full lipid profile at the beginning of the program with these outcome measures at the end of the program. DESIGN: Retrospective data analysis using billing data submitted between July 1, 2001, and October 31, 2004, with a pre-post design in which subjects served as their own controls. SETTING: Manufacturing workplace in rural Iowa. PARTICIPANTS: Fifty-six workers with risk factors for cardiovascular disease (mean age 40.67 yrs), 37 had diabetes mellitus and 19 did not. INTERVENTION: During visits to the workers, pharmacists provided education about cardiovascular disease, identification of drug therapy problems, and importance of routine blood pressure, pulse, and weight measurements; they communicated with participants' physicians as needed. MEASUREMENTS AND MAIN RESULTS: The number of pharmacist visits/participant ranged from 1-13 (mean +/- SD 6.97 +/- 3.05). Outcome measures were weight, systolic and diastolic blood pressures, full lipid profiles (in patients with diabetes), and percentage of patients achieving treatment goal by the end of the 3 years. Statistically significant differences between the first and last visits were achieved for both systolic (124.12 +/- 11.07 and 120.36 +/- 14.39 mm Hg, respectively, p=0.016) and diastolic (80.4 +/- 9.01 and 77.43 +/- 9.14 mm Hg, respectively, p=0.019) blood pressure. The 19 patients without diabetes showed a statistically significant improvement in diastolic blood pressure (p=0.039), but the 37 patients with diabetes did not show a significant difference. A nonsignificant increase was seen in the percentage of patients with diabetes achieving low-density lipoprotein cholesterol (LDL) level goal between the first and last visits (p=0.06). CONCLUSION: A cardiovascular case-management program delivered in the workplace to middle-aged working adults by community pharmacists improved blood pressure and reduced LDL levels. The program was not effective, however, in weight reduction.     

A pharmacist-managed cardiovascular risk-reduction clinic for individuals experiencing serious mental illness

ObjectivesThis retrospective analysis sought to: (1) characterize a cardiovascular risk-reduction clinic (CVRRC) patient population with serious mental illness (SMI); (2) analyze clinical outcomes of CVRRC patients over a 2-year period; and (3) compare outcomes for individuals prescribed different antipsychotic treatments in the CVRRC patient population over a 2-year period.Evaluation methodsIn 2016, A pharmacist-managed CVRRC was implemented within a primary care clinic for patients with SMI. The CVRRC operates under a collaborative practice agreement allowing the pharmacist to initiate and change medications and order laboratory tests. Baseline data collected included demographic information, referring provider, tobacco use, and 10-year atherosclerotic cardiovascular disease risk. Data collected at subsequent visits included date of visit, A1C, estimated average glucose (eAG), blood pressure, weight, body mass index, low-density lipoprotein cholesterol, non–high-density lipoprotein cholesterol, statin and dose, tobacco use, amount smoked, and current antipsychotic treatment. Number of times that treatment for diabetes was initiated or intensified by the pharmacist or primary care provider was also collected.Impact of innovationA total of 101 patients were referred to the CVRRC over the 2-year period. Of these, 81 (80.2%) had at least 1 subsequent visit and were included in the A1C analysis. CVRRC patients had a statistically significant improvement in A1C over time. Mean A1C decreased by an increment of 0.06% for each month increase in follow-up time (P < 0.0001). There was no significant difference in A1C values between patients on different antipsychotic treatments (P = 0.74).ConclusionThe pharmacist-managed CVRRC demonstrated beneficial outcomes for individuals diagnosed with diabetes and SMI. Results provide promising evidence supporting future larger studies to confirm these findings. Considering the morbidity and mortality disparities for individuals with SMI, health care organizations should consider similar models to improve diabetes outcomes.     

Evaluation of Lipid-Lowering Therapy and Cholesterol Goal Attainment in Finland

BACKGROUND: European and US study findings show that patients in primary care and specialty care are not adequately treated for cholesterol reduction. OBJECTIVE: To evaluate lipid-lowering treatment in Finland, estimate the proportions of subjects who are achieving cholesterol goals, and assess the influence of determinants on goal attainment. METHODS: Subgroup analysis of the FINRISK study, a national study of cardiovascular disease risk factors in Finland. Study participants, the subgroup of patients on lipid-lowering therapy from FINRISK, completed a postal self-administered questionnaire on health/health behavioral factors. Serum total cholesterol (TC) and other clinical variables were measured using a standardized protocol. Ten-year coronary risk was computed using Framingham risk equations. The influence of certain factors on goal attainment was determined by logistic regression analysis. The main outcome measure was the proportion of subjects who were receiving lipid-lowering therapy and achieved a TC goal of <5 mmol/L (<194 mg/dL). RESULTS: Among 9581 respondents, 622 subjects were on lipid-lowering therapy. Of these, 68 subjects were excluded because of missing data on TC and/or the type/dose of therapy. Among the 554 subjects included, 210 (38%) were secondary-prevention patients and 51% had 10-year coronary risk >/=20%. Approximately two-thirds of subjects were prescribed simvastatin (42%) or atorvastatin (26%), and about half (51%) were prescribed low-equipotency HMG-CoA reductase inhibitors (statins). There was no difference in equipotent doses of statins prescribed for primary and secondary prevention. About half (54%) of subjects did not attain their cholesterol goal (TC <5.0 mmol/L [194 mg/dL]). Subjects with coronary heart disease (odds ratio [OR] 3.00; 95% CI 2.07, 4.35) and patients prescribed medium-to-high equipotent statins (OR 1.93; 95% CI 1.35, 2.76) were more likely to achieve cholesterol goals, whereas postmenopausal women (OR 0.61; 95% CI 0.42, 0.88) were less likely than men to achieve cholesterol goals. CONCLUSION: Most (92%) patients receiving lipid-lowering therapy in a Finnish population were managed on statin monotherapy and approximately half of the patients did not achieve their recommended cholesterol goals. More effective and safe therapies are needed to enhance cholesterol goal attainment. These treatments might include regimens that act on two or more pharmacologic pathways.     

Combination lipid therapy in type 2 diabetes mellitus

INTRODUCTION: A significant drop in cardiovascular risk has been seen in patients with type 2 diabetes treated with statins. However, this cardiovascular risk remains high, compared with nondiabetic individuals. This is partly due to the typical abnormalities of diabetic dyslipidemia - hypertriglyceridemia and decreased high-density lipoprotein cholesterol (HDL-C) - that are uncontrolled by statins. For this reason, combination lipid therapy may be considered in patients with type 2 diabetes. AREAS COVERED: This review presents the main reasons for a combination lipid therapy in type 2 diabetes and the effects of several drugs, including fibrates, pioglitazone, niacin and omega 3, on diabetic dyslipidemia and the prevention of cardiovascular events. The real cardiovascular benefit of fibrates in patients with type 2 diabetes is not totally clear, but they may produce a significant benefit in patients with type 2 diabetes and diabetic dyslipidemia (hypertriglyceridemia, low HDL-C). Pioglitazone, which reduces triglycerides and increases HDL-C, has been shown to reduce the risk for major cardiovascular events in type 2 diabetes. Niacin and omega 3 fatty acids have a positive effect on diabetic dyslipidemia, but warrants clinical trials to demonstrate a clear cardiovascular benefit in type 2 diabetes. EXPERT OPINION: Although combination lipid therapy seems to be useful to control diabetic dyslipidemia, the efficacy of such combined therapies on significantly reducing cardiovascular risk has still to be confirmed by additional clinical trials.     

Effect of pharmaceutical care services on outcomes for home care patients with heart failure.

PURPOSE: The effect of pharmaceutical care services for home care patients with heart failure on death and rehospitalization rates was studied. METHODS: Eligible patients had to be at least 21 years old and included those with a primary or secondary diagnosis of heart failure who were referred to receive skilled nursing services. Patients were then randomized to receive usual care or pharmaceutical care. Patients assigned to the usual care group received the services typically provided by the visiting nurses association, while patients in the pharmaceutical care group received usual care plus standardized services from a clinical pharmacist. Pharmaceutical care services consisted of an initial comprehensive in home medication assessment and two follow-up visits. Throughout the three-week intervention period, the clinical pharmacist accessed and reviewed all pertinent physician notes and laboratory test values and interacted with prescribers on behalf of the patients as necessary. RESULTS: A total of 154 patients met all criteria and participated in the study. The pharmacist made 79 specific therapy recommendations, 47 (60%) of which were related directly to drug therapy for heart failure or cardiovascular disease. Overall, 14 therapy recommendations were fully implemented, and 10 heart failure-specific recommendations were fully implemented. Patients for whom the pharmacist had made recommendations that were followed by the prescriber had a reduced rate of the composite primary endpoint, but this difference did not reach statistical significance. CONCLUSION: A home-based pharmaceutical care model for recently hospitalized patients with heart failure did not significantly improve the combined rate of death or rehospitalization.