Characteristics of electromyography of sphincter of Oddi in patients with cholelithiasis after common bile duct exploration
10.3760/cma.j.issn.1673-9752.2011.03.014
- VernacularTitle:肝胆管结石患者胆总管切开取石术后Oddi括约肌肌电的研究
- Author:
Zhaolong XU
;
Fei CHEN
;
Yongkang LIU
;
Zhihua LI
- Publication Type:Journal Article
- Keywords:
Cholelithiasis;
Sphincter of Oddi;
Electrophysiology
- From:
Chinese Journal of Digestive Surgery
2011;10(3):203-205
- CountryChina
- Language:Chinese
-
Abstract:
Objective To observe the characteristics of electromyography of sphincter of Oddi (SO) in patients with cholelithiasis after common bile duct exploration,and investigate new methods for detecting the motility of SO.Methods The basal pressure of SO(SOBP)and electromyography of SO were detected in 33 patients with cholelithiasis who were reexamined at the Southwest Hospital from January to October,2010.All patients were divided into low SOBP group,normal SOBP group and high SOBP group.The amplitude,frequency and duration of SO spike burst(SOSB)of the three groups were compared.Results The numbers of patients in the low SOBP group,normal SOBP group and high SOBP group were 14,13 and 6,respectively.The mean SOBP of the low SOBP group,normal SOBP group and high SOBP group were(3.1±1.2),(18.5±7.6),(39.8±4.8)mm Hg (1 mm Hg=0.133 kPa).The amplitude,frequency and duration of SOSB were(41±27)μV,(5.8±1.6) times/minutes and(2.7±0.6)s in the low SOBP group,and(150±71)μV,(6.9±1.4)times/minutes and (3.4±0.7)s in the normal SOBP group,and(301±109)μV,(7.8±1.2)times/minutes and(4.2±0.7)s in the high SOBP group,respectively,with significant difference among the three groups(F=50.751,4.293,13.159,P<0.05).Conclusion The results of electromyography of SO could reflect the function of SO,and it is possible to be a prospective method in the clinical research of SO.
