Study uncovers risk factors that prolong mechanical ventilation in COPD patients
Researchers have found that comorbidities significantly increase the risk of prolonged mechanical ventilation (PMV) in patients with chronic obstructive pulmonary disease (COPD). This conclusion comes from a comprehensive study utilizing data from the Kaohsiung Medical University Hospital Research Database, highlighting the critical impact of comorbid conditions on COPD patient outcomes. The recent study was published in BMC Pulmonary Medicine by Kuang-Ming Liao and colleagues.
Chronic obstructive pulmonary disease (COPD) is a common respiratory condition that can lead to acute respiratory failure, necessitating mechanical ventilation. Approximately 10% of these patients are at high risk for PMV, defined as requiring ventilation for more than 21 days. Previous studies have identified age and COPD severity as significant risk factors for PMV. This study aimed to analyze the impact of comorbidities on the risk of PMV in COPD patients.
The study utilized data from the Kaohsiung Medical University Hospital Research Database. COPD patients were those first diagnosed between January 1, 2012, and December 31, 2020. Exclusion criteria included patients younger than 40 years, those with PMV before the index date, or those with incomplete records. The study group consisted of 3,744 eligible COPD patients. Propensity score matching was used to compare COPD patients with non-COPD controls.
• COPD patients had a 2.21 times higher risk of PMV compared to non-COPD patients (HR: 2.21; 95% CI: 1.44–3.40; P < 0.001).
• Diabetes mellitus increased PMV risk by 4.66 times (aHR: 4.66; P < 0.001).
• Hypertension raised PMV risk by 3.20 times (aHR: 3.20; P = 0.004).
• Dyslipidemia was associated with a 3.02 times higher risk of PMV (aHR: 3.02; P = 0.015).
• Congestive heart failure significantly increased PMV risk by 6.44 times (aHR: 6.44; P < 0.001).
• Coronary artery disease was linked to a 3.11 times higher PMV risk (aHR: 3.11; P = 0.014).
• Stroke increased the risk of PMV by 6.37 times (aHR: 6.37; P < 0.001).
• Chronic kidney disease was associated with a 5.81 times higher risk of PMV (aHR: 5.81; P < 0.001).
• Dementia increased the risk of PMV by 5.78 times (aHR: 5.78; P < 0.001).
Age, gender, and comorbidities are significant risk factors for prolonged mechanical ventilation in COPD patients. This study underscores the need for comprehensive management of comorbid conditions in COPD patients to mitigate the risks associated with prolonged mechanical ventilation and improve patient outcomes.
Reference:
