Objectives/Hypothesis
Although chronic obstructive pulmonary disease (COPD) is a common comorbidity in patients undergoing laryngeal cancer surgery, the impact of this comorbidity in this setting is not well established. In this analysis, we used the Nationwide Inpatient Sample (NIS) to elucidate the impact of COPD on outcomes after laryngectomy for laryngeal cancer.
Methods
The NIS was queried for patients admitted from 1998 to 2010 with laryngeal cancer who underwent total or partial laryngectomy. Patient demographics, type of admission, length of stay, hospital charges, and concomitant diagnoses were analyzed.
Results
Our inclusion criteria yielded a cohort of 40,441 patients: 3,051 with COPD and 37,390 without. On average, COPD was associated with an additional $12,500 (P < 0.001) in hospital charges and an additional 1.4 days (P < 0.001) of hospital stay. There was no significant difference in incidence of in-hospital mortality between the COPD and non-COPD groups after total laryngectomy (1.1% in COPD vs. 1.0% in non-COPD; P = 0.776); however, there was an increased incidence of in-hospital mortality in the COPD group compared to the non-COPD group after partial laryngectomy (3.4% in COPD vs. 0.4% in non-COPD; P < 0.001). Multivariate adjusted logistic regression revealed that COPD was associated with greater odds of pulmonary complications after both partial laryngectomy (odds ratio [OR] = 3.198; P < 0.001) and total laryngectomy (OR = 1.575; P < 0.001).
Conclusion
Chronic obstructive pulmonary disease appears to be associated with greater hospital charges, length of stay, and postoperative pulmonary complications in patients undergoing laryngectomy for laryngeal cancer. Chronic obstructive pulmonary disease after partial, but not total, laryngectomy appears to be associated with increased risk of in-hospital mortality.
Level of Evidence
2C. Laryngoscope, 2016
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