Resource Use and Guideline Concordance in Evaluation of Pulmonary Nodules for Cancer: Too much and too little care
Abstract
Importance Pulmonary nodules are common, and more will be found with implementation of lung cancer screening. How potentially malignant pulmonary nodules are evaluated may affect patient outcomes, healthcare costs, and effectiveness of lung cancer screening programs. Guidelines for evaluating pulmonary nodules for cancer exist, but little is known about how nodules are evaluated in the usual care setting. Objective To characterize nodule evaluation and concordance with guidelines Design Retrospective cohort study, including detailed chart review from nodule detection through evaluation completion, cancer diagnosis, or study end (12/31/12) Setting Fifteen VA hospitals Participants 300 adult patients with pulmonary nodules Main outcomes and measures Resources used for evaluation at any VA facility; guideline-concordant evaluation. Results Among 300 patients with pulmonary nodules, 9% (27/300) were ultimately diagnosed with lung cancer: 1/57 (2%) with a nodule ≤4 mm, 4/134 (3%) with a nodule 5–8 mm, and 20% (22/109) with a nodule >8 mm. Nodule evaluation entailed 1044 imaging studies, 147 consultations, 76 biopsies, 13 resections, and 21 hospitalizations. Radiographic surveillance (n=277) lasted a median of 13 months, but ranged from <1 month to 8.5 years. Forty-six patients underwent invasive procedures (range per patient 1–4): 42% (19/46) did not have cancer, and 17% (8/46) experienced complications, including one death. Notably, 15/300 (5%) “fell through the cracks,” without…
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