Diagnosis
Cholescintigraphy demonstrated a bile leak during meperidine administration that was not visible after discontinuation [PMID:4038415]. This suggests that increased biliary pressure induced by narcotics can improve detection of subtle leaks.
Conventional radiographic methods are insufficient for diagnosing gangrenous cholecystitis or gallbladder perforation preoperatively [PMID:413420]. This study demonstrates that endoscopic retrograde cholangiography effectively identified gangrene through a shaggy gallbladder wall with debris and stones, and perforation via extravasation of contrast material into pericholecystic abscesses.
Endoscopic retrograde cholangiography revealed a shaggy outline of the gallbladder wall with amorphous debris as a key indicator of gangrene in all three reported cases [PMID:413420].
In two of the cases, perforation was diagnosed by observing the extravasation of contrast material into a pericholecystic abscess, providing critical preoperative information [PMID:413420].
Management
This case report by Cheah et al. [PMID:9649052] demonstrates the feasibility of using needlescopic instruments via a retrograde approach for cholecystectomy in patients with inflamed gallbladders, traditionally challenging due to increased surgical complexity.
Cheah et al. [PMID:9649052] highlight that needlescopic surgery, characterized by instruments smaller than 3 mm, results in minute wounds that heal imperceptibly, potentially benefiting patients undergoing cholecystectomy.
The study suggests that narcotic drugs, such as meperidine, might facilitate the diagnosis of small or hidden bile leaks by altering biliary dynamics, potentially aiding in clinical management [PMID:4038415].
Complications
Although specific complication rates are not detailed in the study by Cheah et al. [PMID:9649052], the adoption of a retrograde needlescopic approach in inflamed gallbladder scenarios suggests a potential for fewer complications associated with smaller incisions [PMID:9649052].
Scintigrams obtained during meperidine therapy showed patterns consistent with bile duct obstruction, highlighting potential imaging complexities in managing complications [PMID:4038415].
References
1 Cheah WK, Goh P, Gagner M, So J. Needlescopic retrograde cholecystectomy. Surgical laparoscopy & endoscopy 1998. link 2 Sefczek DM, Sharma P, Isaacs GH, Brodmerkel GJ, Adatepe MH, Powell OM et al.. Effect of narcotic premedication on scintigraphic evaluation of gallbladder perforation. Journal of nuclear medicine : official publication, Society of Nuclear Medicine 1985. link 3 Bill K, Belber JP. Diagnosis of gangrene and perforation of the gallbladder by endoscopic retrograde cholangiography. AJR. American journal of roentgenology 1978. link