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Article |

Effects of Prostaglandins on Motility of Gallbladders Removed From Patients With Gallstones

Cyrus A. Kotwall, MD; Alexander S. Clanachan, PhD; Hans P. Baer, PhD; Gerald W. Scott, MB, FRCS(C)
Arch Surg. 1984;119(6):709-712. doi:10.1001/archsurg.1984.01390180071012.
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• Prostaglandins (PGs) affect smooth-muscle contractility and are also involved in the inflammatory reaction. They may therefore affect gallbladder motility in cholecystitis. The contractile effects of PGs were recorded in organ baths on strips from 63 fresh, surgically removed human gallbladders. Spontaneous rhythmic contractions were reduced or abolished by indomethacin, which inhibits endogenous PG synthesis. In strips with chronic cholecystitis, concentration-dependent contractions were produced by PGF2, PGB2 and PGD2; the responses to PGE1 and PGE2 were sometimes variable but there were concentration-dependent contractions after treatment of the strips with indomethacin. The majority of strips with acute cholecystitis responded poorly to PGs even after pretreatment with indomethacin. We concluded from this preliminary study that PGs could affect gallbladder motility and that indomethacin probably reduces the endogenous production of PGs in the gallbladder.

(Arch Surg 1984;119:709-712)


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