Management of COPD
All patients with COPD should receive smoking cessation counseling, annual influenza vaccination, and pneumococcal vaccination (PCV13 and PPSV23 for those ≥65 years), with pharmacologic therapy initiated based on symptom burden and exacerbation history using long-acting bronchodilators as the foundation of treatment. 1, 2
Smoking Cessation
- Smoking cessation is the single most important intervention in COPD management, as it is the only effective means of prevention and can reduce symptoms while preventing disease progression. 3, 4, 2
- Pharmacologic aids including varenicline, bupropion, and nicotine replacement therapy increase long-term quit rates to approximately 25%. 2
- Combined smoking cessation and influenza vaccination are more effective in reducing emergency utilization (OR=0.13; 95% CI: 0.07-0.25), hospital utilization (OR=0.13; 95% CI: 0.05-0.30), and respiratory failure (OR=0.13; 95% CI: 0.04-0.40) compared to either intervention alone. 5
Vaccinations
- Influenza vaccination is recommended annually for all patients with COPD. 1, 2
- Pneumococcal vaccinations (PCV13 and PPSV23) are recommended for all patients ≥65 years of age. 1, 2
- PPSV23 is also recommended for younger patients with COPD who have significant comorbid conditions, including chronic heart or lung disease. 1
Pharmacologic Therapy Based on Symptom Burden and Exacerbation Risk
Initial Therapy Selection
For patients with low symptoms (CAT <10, mMRC 0-1) and low exacerbation risk:
- Start with a single long-acting bronchodilator (LABA or LAMA), with LAMA slightly preferred over LABA for superior exacerbation prevention and reduced hospitalizations. 2
- All patients should have a short-acting bronchodilator (SABA or SAMA) available as needed for breakthrough symptoms. 2
For patients with moderate-to-high symptoms (CAT ≥10, mMRC ≥2) and FEV1 <80%:
- Initiate dual bronchodilator therapy (LABA/LAMA) directly, which provides superior improvements in dyspnea, exercise tolerance, and health status compared to monotherapy. 2
- LABA/LAMA is preferred over ICS/LABA due to superior lung function improvement and lower pneumonia rates. 2
Treatment Escalation Pathway
For persistent breathlessness on monotherapy:
For patients with high exacerbation risk (≥2 moderate or ≥1 severe exacerbation in past year):
- Single-inhaler triple therapy (LAMA/LABA/ICS) is strongly recommended for patients with CAT ≥10, mMRC ≥2, FEV1 <80%, as it reduces mortality with moderate certainty of evidence. 2
- Triple therapy reduces exacerbation frequency compared to dual bronchodilator therapy. 2
Blood Eosinophil-Guided ICS Decisions
- For patients with eosinophils <100 cells/μL: Do not escalate from LABA/LAMA to triple therapy; instead add oral therapies (azithromycin or N-acetylcysteine). 2
- For patients with eosinophils ≥300 cells/μL: Do not withdraw ICS in patients with moderate-high symptom burden and high exacerbation risk. 2
- Blood eosinophil counts should guide ICS decisions, particularly at extremes (<100 or ≥300 cells/μL). 2
Additional Pharmacologic Options
For chronic bronchitis phenotype with FEV1 <50% and exacerbation history:
- Consider adding roflumilast (PDE4 inhibitor) to reduce moderate-to-severe exacerbations, though common adverse effects include diarrhea, nausea, weight loss, and headache. 1, 2
For former smokers with recurrent exacerbations:
- Consider prophylactic azithromycin or erythromycin, with monitoring for bacterial resistance and hearing impairment. 1, 2
Critical Safety Considerations
- Never use ICS as monotherapy in COPD, as it increases pneumonia risk without exacerbation benefit. 2
- ICS increase the risk of pneumonia, oral candidiasis, hoarse voice, skin bruising, and may contribute to diabetes, cataracts, and mycobacterial infections. 2
- Higher pneumonia risk occurs in current smokers, patients ≥55 years, those with prior exacerbations/pneumonia, BMI <25 kg/m², or severe airflow limitation. 2
- Withdraw ICS if significant side effects occur, particularly recurrent pneumonia. 2
Pulmonary Rehabilitation
- Pulmonary rehabilitation is strongly recommended for all symptomatic patients, as it can reduce readmissions and mortality in patients after a recent exacerbation (<4 weeks from prior hospitalization). 1, 2
- Exercise training should include a combination of constant load or interval training, strength training, and upper extremity exercise training. 6, 2
- Avoid initiating pulmonary rehabilitation before hospital discharge, as it may compromise survival. 1
Oxygen Therapy
Long-term oxygen therapy (>15 hours/day) is indicated for stable patients with:
- PaO2 ≤55 mm Hg (7.3 kPa) or SaO2 ≤88%, with or without hypercapnia, confirmed twice over a 3-week period. 1, 2
- PaO2 between 55-60 mm Hg (7.3-8.0 kPa) or SaO2 of 88% if there is evidence of pulmonary hypertension, peripheral edema suggesting congestive cardiac failure, or polycythemia (hematocrit >55%). 1, 2
- Long-term oxygen therapy increases survival in patients with severe resting hypoxemia. 1, 6
Ventilatory Support
- Non-invasive ventilation (NIV) may be considered in selected patients with pronounced daytime hypercapnia and recent hospitalization, although contradictory evidence exists regarding its effectiveness. 1, 2
- In patients with both COPD and obstructive sleep apnea (OSA), continuous positive airway pressure (CPAP) is indicated. 1, 6
Surgical and Interventional Options
Lung volume reduction:
- In selected patients with heterogeneous or homogeneous emphysema and significant hyperinflation refractory to optimized medical care, surgical or bronchoscopic lung volume reduction (endobronchial one-way valves or lung coils) may be considered. 1, 2
- Patients with upper-lobe emphysema and low post-rehabilitation exercise capacity experience improved survival with lung volume reduction surgery compared to medical treatment. 1
Bullectomy:
- In selected patients with a large bulla and relatively preserved underlying lung, bullectomy is associated with decreased dyspnea and improved lung function and exercise tolerance. 1
Lung transplantation:
- Criteria for referral include: COPD with progressive disease, not a candidate for lung volume reduction, BODE index 5-6, PCO2 >50 mm Hg (6.6 kPa) and/or PaO2 <60 mm Hg (8 kPa), and FEV1 <25% predicted. 1
- Criteria for listing include: BODE index >7, FEV1 <15-20% predicted, three or more severe exacerbations during the preceding year, one severe exacerbation with acute hypercapnic respiratory failure, or moderate-to-severe pulmonary hypertension. 1
Self-Management Education and Supportive Care
- Educational programs should include smoking cessation, basic information about COPD, medication use (respiratory medications and inhalation devices), strategies to minimize dyspnea, advice about when to seek help, and discussion of advance directives and end-of-life issues. 1, 2
- For malnourished patients with COPD, nutritional supplementation is recommended. 1, 6, 2
Palliative and End-of-Life Care
- Palliative care should focus on relief of dyspnea, pain, anxiety, depression, fatigue, and poor nutrition. 1
- Patients should be informed that should they become critically ill, they or their family members may need to decide whether intensive care is necessary. 1
- Simple, structured conversations about possible scenarios should be discussed while patients are in their stable state. 1
Monitoring and Follow-up
- Routine follow-up is essential, with monitoring of symptoms, exacerbations, and objective measures of airflow limitation to determine when to modify management and identify complications or comorbidities. 1, 2
- Each follow-up visit should include discussion of the current therapeutic regimen and evaluation of symptoms indicating worsening or development of comorbid conditions. 2