Laparoscopic ultrasonography as an alternative to intraoperative cholangiography during laparoscopic cholecystectomy

Table 2 laparoscopic ultrasound performed pre- or post- dissection

Author	Year	No. of patients	LUS pre-dissection	LUS post-dissection
Tranter	2001	367	-	+
Biffl	2001	248	+	+
Catheline	2002	900	+	-
Halpin	2002	380	-	+
Tranter	2003	135	-	+
Onders	2005	105	+	-
Machi	2007	200	+	+
Perry	2007	236	+	+	According to the situation
Hakamada	2008	299	+	+/-	After if necessary
Hublet	2009	269	-	+
Li	2009	103	+	-
Machi	2009	1352	+	+/-	After if necessary
Hashimoto	2010	220	+	+
Pfluke	2011	50	-	+
Nasu	2012	71	-	+
Gwinn	2013	44	+	-
Kothari	2013	253	+	-
Shaaban	2014	70	-	+

LUS: Laparoscopic ultrasound.