Gum chewing improves swallow frequency and latency in Parkinson patients  

Oleh:

South, Angela R. ; Somers, Stephanie M. ; Jog, Mandar S.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Neurology (Official Journal of The American Academy of Neurology) vol. 74 no. 15 (Apr. 2010), page 1198-1202.
Topik: Parkinson disease; dysphagia

Ketersediaan

Perpustakaan FK Nomor Panggil: N11.K Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

Background: Reduced swallowing frequency affects secretion management in Parkinson disease (PD). Gum chewing increases saliva flow and swallow frequency. This study uses chewing gum to modify swallow frequency and latency between swallows in patients with PD. Objectives: 1) Assess the frequency and latency of swallow at baseline (BL), during gum chewing (GC), and post gum chewing (PGC) for participants with PD (stage 2–4) nonsymptomatic for prandial dysphagia; and 2) assess carryover after gum is expectorated. Methods: Twenty participants were studied across 3 tasks, each of 5 minutes in duration: BL, GC, and PGC. Respiratory and laryngeal signals were continuously recorded using PowerLab (version 5.5.5; ADI Instruments, Castle Hill, Australia). Frequency and latency of swallow events were calculated. Results: Differences (analysis of variance) are reported for frequency (p < 0.000001) and latency (p < 0.000001). Swallow frequency (mean ± SD) increased during GC (14.95 ± 3.02) compared with BL (3.1 ± 2.85) and PGC (7.0 ± 2.57). Latency in seconds (mean ± SD) decreased during GC (24.1 ± 4.174) and increased with BL (131.8 ± 59.52) and PGC (mean = 60.74 ± 25.25). Intertask comparisons (t test) found differences in swallow frequency and latency between tasks: BL vs GC (p < 0.0001, p < 0.0001), BL vs PGC (p < 0.0011, p < 0.0009), and GC vs PGC (p < 0.0001, p < 0.0002), respectively. Post hoc analysis showed carryover to 5.317 minutes. Conclusions: Modifying sensorimotor input by chewing gum alters frequency and latency of swallowing and may be an effective strategy for secretion management in Parkinson disease.

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