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. 2009 Dec;256(12):2009-13.
doi: 10.1007/s00415-009-5229-9. Epub 2009 Jul 15.

Detecting dysphagia in inclusion body myositis

F M Cox  1 , J J Verschuuren, B M Verbist, E H Niks, A R Wintzen, U A Badrising
Affiliations

Detecting dysphagia in inclusion body myositis

F M Cox et al. J Neurol. 2009 Dec.

Abstract

Dysphagia is an important yet inconsistently recognized symptom of inclusion body myositis (IBM). It can be disabling and potentially life-threatening. We studied the prevalence and symptom-sign correlation of dysphagia. Fifty-seven IBM patients were interviewed using a standard questionnaire for dysphagia and 43 of these underwent swallowing videofluoroscopy (VFS). Symptoms of dysphagia were present in 37 of 57 patients (65%). Nevertheless, only 17 of these patients (46%) had previously and spontaneously complained about swallowing to their physicians. Both symptoms of impaired propulsion (IP) (59%) and aspiration-related symptoms (52%) were frequently mentioned. Swallowing abnormalities on VFS were present in 34 of 43 patients (79%) with IP of the bolus in 77% of this group. The reported feeling of IP was confirmed by VFS in 92% of these patients. Dysphagia in IBM is common but underreported by the vast majority of patients if not specifically asked for. In practice, two questions reliably predict the presence of IP on VFS: 'Does food get stuck in your throat' and 'Do you have to swallow repeatedly in order to get rid of food'. These questions are an appropriate means in selecting IBM patients for further investigation through VFS and eventual treatment.

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Figures

Fig. 1
Fig. 1
VFS showing indentation of the cricopharyngeal sphincter
See this image and copyright information in PMC

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