Effect of local injection of botulinum toxin on sphincter of Oddi cyclic motility in dogs

Hong Jiang Wang, Masao Tanaka, Hiroyuki Konomi, Hiroki Toma, Kazunori Yokohata, Pankaj Jay Pasricha, Anthony N Kalloo

Research output: Contribution to journalArticle

Abstract

To study effects of intrasphincteric injections of botulinum toxin on the sphincter of Oddi cyclic motility and responses to motilin and cholecystokinin, four conscious dogs with duodenal cannula underwent manometry of the common bile duct, sphincter of Oddi, and duodenum. After baseline recording, each dog had intrasphincteric injections of saline or botulinum toxin. The injections of saline had no effect, whereas botulinum toxin significantly reduced mean basal pressure, amplitude, and motility index of the sphincter of Oddi. These effects took place in four to seven days and reached a maximum in seven to 10 days. The basal pressure returned to the baseline level in 28 weeks, but the amplitude and motility index remained low. The pressure parameters of motilin-induced premature phase III- like activity also decreased, but action of cholecystokinin was not affected. These results indicate that the botulinum toxin injections reduce sphincter of Oddi phasic contractile activity for a prolonged period of time.

Original languageEnglish (US)
Pages (from-to)694-701
Number of pages8
JournalDigestive Diseases and Sciences
Volume43
Issue number4
DOIs
StatePublished - 1998
Externally publishedYes

Fingerprint

Sphincter of Oddi
Botulinum Toxins
Dogs
Motilin
Injections
Cholecystokinin
Pressure
Manometry
Common Bile Duct
Duodenum

Keywords

  • Botulinum toxin
  • Cholecystokinin
  • Dysfunction
  • Dyskinesia
  • Local injection
  • Migrating motor complex
  • Motilin
  • Motility
  • Sphincter of Oddi

ASJC Scopus subject areas

  • Gastroenterology

Cite this

Effect of local injection of botulinum toxin on sphincter of Oddi cyclic motility in dogs. / Wang, Hong Jiang; Tanaka, Masao; Konomi, Hiroyuki; Toma, Hiroki; Yokohata, Kazunori; Pasricha, Pankaj Jay; Kalloo, Anthony N.

In: Digestive Diseases and Sciences, Vol. 43, No. 4, 1998, p. 694-701.

Research output: Contribution to journalArticle

Wang, Hong Jiang ; Tanaka, Masao ; Konomi, Hiroyuki ; Toma, Hiroki ; Yokohata, Kazunori ; Pasricha, Pankaj Jay ; Kalloo, Anthony N. / Effect of local injection of botulinum toxin on sphincter of Oddi cyclic motility in dogs. In: Digestive Diseases and Sciences. 1998 ; Vol. 43, No. 4. pp. 694-701.
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