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  • Title: Cervical osteophytes impinging on the pharynx: importance of size and concurrent disorders for development of aspiration.
    Author: Strasser G, Schima W, Schober E, Pokieser P, Kaider A, Denk DM.
    Journal: AJR Am J Roentgenol; 2000 Feb; 174(2):449-53. PubMed ID: 10658723.
    Abstract:
    OBJECTIVE: This study evaluated the clinical significance of cervical osteophytes impinging on the pharynx in patients with dysphagia and the importance of concurrent disorders that may affect swallowing function. MATERIALS AND METHODS: On videofluoroscopy, anterior cervical osteophytes were found in 55 (32 men, 23 women; mean age, 69 years) of 3318 patients with dysphagia (1.7%). Coexisting diseases that affected swallowing function were found in 28 patients (stroke, n = 7; thyroidectomy, n = 7; tongue base or laryngeal cancer surgery, n = 5; other diseases, n = 9). Swallowing function was assessed with videofluoroscopy evaluating epiglottic tilting, laryngeal closure, impression of the hypopharynx, pharyngeal residue, and aspiration. RESULTS: With advancing age, the probability of aspiration (odds ratio, 1.07; p < 0.05) and of enlarging osteophytes (odds ratio, 1.26; p < 0.01) increased; the probability was higher for osteophytes at more than one vertebrae (odds ratio, 8.00; p < 0.01) and for concurrent diseases (odds ratio, 8.02; p < 0.01). Aspiration was found in 75% of patients with osteophytes larger than 10 mm and in 34% with osteophytes smaller than or equal to 10 mm. In 88% of patients with small osteophytes who aspirated, other diseases affected swallowing function. CONCLUSION: Aspiration is common in patients with dysphagia and cervical osteophytes larger than 10 mm. Aspiration is rare in patients with osteophytes smaller than or equal to 10 mm unless these patients suffer from other disorders that may affect swallowing.
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