Clinical Study on the Application of Modified Gufoni Maneuver in Geotropic Horizontal Canal Benign Paroxysmal Positional Vertigo
Objective:To compare the clinical efficacy of modified Gufoni maneuver and traditional Gufoni maneuver in geotropic HC-BPPV.Methods:84 patients who were diagnosed as primary geotropic HC-BPPV from January 1st,2017 to June 30th,2021 were randomly divided into the modified group(42 cases)and the control group(40 cases).The modified group was treated with Gufoni ma-neuver combined with head thrust towards unaffected side,and the control group was treated with traditional Gufoni maneuver.Curative effects of the two groups were evaluated(the curative effects at 30 min and 1 d after first reposition were observed.If reposition failed,the previous reposition method was repeated.Each group was given a maximum of 3 times of reposition,and the reposition effect was observed at 30 min after reposition).At the same time,the residual symptoms after successful reposition were observed.Results:1.The first reposition was successful among 38 cases(90.5％)in the modified group,more than 24 cases(57.2％)in the control group(x2=12.07,P=0.001).Three times of reposition later,41 cases(97.6％)in the modified group and 36 cases(85.7％)in the control group obtained suc-cessful reposition.There was a statistically significant difference in the overall success rate of reposition between the two groups(x2=3.896,P=0.048).The times required for successful reposition was less in the modified group(Z=2.071,P=0.047).2.The proportion of patients with residual symptoms after successful reposition in the modified group was 21.4％(9/42),significantly lower than 42.9％(18/42)in the control group(x2=4.421,P=0.035).The proportion of patients with two residual symptoms in the modified group was 4.8％(2/42),lower than 19.1％(8/42)in the control group(x2=4.086,P=0.043).Conclusion:Compared with traditional Gufoni maneuver,modified Gufoni maneuver improves the success rate of first reposition and the total success rate of reposition,reduces the times required for successful reposition and the incidence of residual symptoms.
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