Kim C H, Hsu J J, O'Connor M K, Weaver A L, Brown M L, Zinsmeister A R
Division of Gastroenterology, Mayo Clinic, Rochester, Minnesota 55905.
Dig Dis Sci. 1994 Jan;39(1):189-92. doi: 10.1007/BF02090081.
The effect of bolus viscosity on oropharyngeal and esophageal emptying is not known. We investigated this question in 38 healthy volunteers by measuring the transit of five semisolid boluses of varying viscosities across the oropharynx and the esophagus with the aid of scintigraphy. The studies were performed twice on consecutive days. The results show that oropharyngeal and esophageal emptying are reliably reproduced from day to day. Esophageal emptying was inversely related to bolus viscosity; however, oropharyngeal emptying was not influenced by bolus viscosity. We conclude that bolus viscosity has significant, but selective, effect on oropharyngoesophageal emptying.
团块黏度对口咽和食管排空的影响尚不清楚。我们通过闪烁扫描法测量了38名健康志愿者吞咽五种不同黏度半固体团块通过口咽和食管的过程，以此来研究这个问题。这些研究在连续两天内进行了两次。结果表明，口咽和食管排空在不同日期之间具有可靠的重复性。食管排空与团块黏度呈负相关；然而，口咽排空不受团块黏度的影响。我们得出结论，团块黏度对口咽食管排空有显著但具有选择性的影响。
