Evaluation of the effects of mastication and swallowing on gastric motility using electrogastrography

Autor: Yuki Sawada, Susumu Ito, Naoko Muraoka, Yoshitaka Kimura, Masahiro Nomura, Nao Kohno
Jazyk: angličtina
Rok vydání: 2006
Předmět:
Zdroj: The journal of medical investigation : JMI. 53(3-4):229-237
ISSN: 1343-1420
Popis: Objectives : The influence of mastication and swallowing on gastric motor function was evaluated by electrogastrography (EGG) and abdominal ultrasonography. Methods: The subjects were 30 elderly patients with tubal feeding without mastication and swallowing (T group) and 30 elderly controls who processed food by mastication and swallowing (C group). Gastric motor function was percutaneously examined before and after the ingestion of 250 ml of a liquid diet using an electrogastrograph (NIPRO EGG, A&D, Tokyo, Japan). The cross-sectional area of the gastric antrum was measured at 1 and 30min after the start of ingestion of the liquid diet by external ultrasonography of the abdomen, and the gastric excretion function was evaluated. Furthermore, the spectral analysis of heart rate variability was performed using Holter electrocardiograms before and after ingestion. The low frequency power (LF power, 0.04-0.15 Hz), high frequency power (HF power, 0.15-0.40 Hz), and the LF/HF ratio were determined. Results: The peak amplitude at 3 cycles perminute (cpm)was significantly increased after ingestion in the C and T groups (p
Databáze: OpenAIRE