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Control of Cardiovascular Risk Factors in Patients with Chronic Obstructive Pulmonary Disease
Nathaniel M Hawkins1, Sandra Peterson2, Allison M Ezzat3
1Division of Cardiology.
Insights
Patients with chronic obstructive pulmonary disease (COPD) have common cardiovascular risk factors that are poorly managed. Improved monitoring and treatment of hypertension, dyslipidemia, diabetes, and obesity in primary care are essential for better outcomes.
Area of Science:
- Cardiology
- Pulmonology
- Primary Care Medicine
Background:
- Cardiovascular disease (CVD) is a leading cause of mortality in patients with chronic obstructive pulmonary disease (COPD), accounting for one-third of deaths.
- Effective management of cardiovascular risk factors in primary care settings is crucial for improving health outcomes in COPD patients.
- This study investigates the prevalence, monitoring, treatment, and control of key cardiovascular risk factors within the COPD population.
Purpose of the Study:
- To determine the prevalence of major cardiovascular risk factors in patients diagnosed with COPD.
- To assess the extent of monitoring, treatment, and control of these risk factors in primary care.
- To identify gaps in care for cardiovascular risk management among COPD patients.
Main Methods:
- A repeated cross-sectional analysis was conducted using electronic medical records from the Canadian Primary Care Sentinel Surveillance Network (2013-2018).
- The study included a large cohort of patients with COPD (n=32,695 in 2018) and a matched control group (n=32,638 in 2018).
- Prevalence of hypertension, dyslipidemia, diabetes, obesity, and smoking was assessed using validated definitions and laboratory results.
Main Results:
- Patients with COPD exhibited higher prevalence of all assessed risk factors compared to controls: hypertension (52.3%), dyslipidemia (62.0%), diabetes (25.0%), obesity (40.8%), and smoking (40.9%).
- Monitoring rates for these risk factors were suboptimal in 2018, with significant variation (e.g., hypertension 71.8%, dyslipidemia 39.4%).
- Guideline-recommended targets were achieved in a low percentage of monitored patients (e.g., obesity 10.6%), and cardiovascular therapies were underused.
Conclusions:
- Major cardiovascular risk factors are highly prevalent and inadequately managed in patients with COPD.
- Current monitoring, treatment, and control strategies for cardiovascular risk factors in COPD patients are insufficient.
- Enhanced primary care strategies are urgently needed to improve comprehensive risk factor management, thereby reducing cardiovascular morbidity and mortality in this vulnerable population.
Abstract:
Rationale: Cardiovascular disease accounts for one-third of deaths in patients with chronic obstructive pulmonary disease (COPD). Better control of cardiovascular risk factors in primary care could improve outcomes. Objectives: To define the prevalence, monitoring, treatment, and control of risk factors in patients with COPD. Methods: Repeated cross-sectional analysis of primary care electronic medical records for all patients with COPD in the Canadian Primary Care Sentinel Surveillance Network from 2013 to 2018 (n = 32,695 in 2018). A control group was matched 1:1 for age, sex, and rural residence (n = 32,638 in 2018). Five risk factors were defined using validated definitions including laboratory results: hypertension, dyslipidemia, diabetes, obesity, and smoking. Results: All risk factors were more common in patients with COPD compared with matched control subjects, including hypertension (52.3% vs. 44.9%), dyslipidemia (62.0% vs. 57.8%), diabetes (25.0% vs. 20.2%), obesity (40.8% vs. 36.8%), and smoking (40.9% vs. 11.4%), respectively. The mean Framingham risk score was 20.6% versus 18.6%, with 53.8% of patients with COPD being high risk (⩾20%). Monitoring of risk factors within the last year in patients with COPD in 2018 was suboptimal: 71.8% hypertension, 39.4% dyslipidemia, 74.5% diabetes, 52.3% obesity. Smoking status was infrequently recorded in the electronic record. In those monitored, guideline recommended targets were achieved in 60.8%, 46.6%, 57.4%, 10.6% and 12.0% for each risk factor. Cardiovascular therapies including angiotensin-converting enzyme inhibitors (69%), statins (69%), and smoking cessation therapies (27%) were underused. Conclusions: In patients with COPD, major cardiovascular risk factors are common, yet inadequately monitored, undertreated, and poorly controlled. Strategies are needed to improve comprehensive risk factor management proven to reduce cardiovascular morbidity and mortality.
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