Application of modified volume viscosity swallowing test and swallowing angiography in dynamic assessment of swallowing function
Objective To investigate the effect of modified volume viscosity swallowing test(VVST)combined with swallowing angiography in the dynamic assessment of swallowing function.Methods Eighty patients with swallowing dysfunction treated at Xuzhou Municipal Hospital,Xuzhou Medical University from July 2020 to August 2021 were selected for the randomized controlled trial,and were divided into a control group and an observation group by the random number table method,with 40 cases in each group.There were 26 males and 14 females in the control group;they were(56.23±6.12)years old;there were 25 cases of stroke,8 cases of esophageal cancer,3 cases of laryngeal cancer,2 cases of nasopharyngeal cancer,and 2 cases of other diseases.There were 25 males and 15 females in the observation group;they were(56.12±6.08)years old;there were 24 cases of stroke,8 cases of esophageal cancer,4 cases of laryngeal cancer,2 cases of nasopharyngeal cancer,and 2 cases of other diseases.The control group were evaluated by VVST,and the observation group were evaluated by VVST and swallowing angiography and were guided individualizedly.The clinical efficacies,gastric tube retention rates,extubation success rates,incidences of complications,swallowing function status classification,and scores of quality of life were compared between the two groups.x2 test was used.Results The treatment efficacy in the observation group was higher than that in the control group[95.00％(38/40)vs.75.00％(30/40);x2=6.275;P＜0.05].The gastric tube retention rate in the observation group was lower than that in the control group[5.00％(2/40)vs.22.50％(9/40);x2=5.165;P＜0.05].The extubation success rate in the observation group was 100.00％(40/40),and that in the control group 92.50％(37/40),with no statistical difference(x2=3.117;P＞0.05).The incidence of complications in the observation group was lower than that in the control group[7.50％(3/40)vs.30.00％(12/40);x2=6.646;P＜0.05].The proportion of grade I feeding-swallowing function in the observation group was higher than that in the control group[70.00％(28/40)vs.45.00％(18/40);x2=5.115,P＜0.05);the proportion of grade Ⅲ feeding-swallowing function in the observation group was lower than that in the control group[12.50％(5/40)vs.32.50％(13/40);x2=4.588;P＜0.05].Conclusion VVST+swallowing angiography in the evaluation of swallowing dysfunction is helpful to develop personalized intervention programs to improve the patients'feeding-swallowing function,reduce the risk of complications and gastric tube retention rate,and achieve good prognosis.
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