From: The HAC trial (harmonic for acute cholecystitis): a randomized, double-blind, controlled trial comparing the use of harmonic scalpel to monopolar diathermy for laparoscopic cholecystectomy in cases of acute cholecystitis
H-mediated VLC
MD-mediated VLC
P*
(21 patients)
Edematous cholecystitis: first stage
6 (28.5%)
5 (23.8%)
ns*
Necrotizing cholecystitis: second stage
13 (61.9%)
15 (71.4%)
Suppurative cholecystitis: third stage
2 (9.5%)
1 (4.7%)