New strategy during complicated open appendectomy: Convert open operation to laparoscopy

Table 1 Patient characteristics for the open appendectomy converted to laparoscopy and lengthened-incision appendectomy groups

Variable	OACL group(n = 59)	LIA group(n = 155)	P value
Age, yr, mean ± SD	29.6 ± 14.2	30.1 ± 16.7	NS
Sex, female/male, n	32/27	75/80	NS
WBC counts (× 109/L), mean ± SD	14.8 ± 4.2	13.9 ± 3.4	NS
C reactive peptide, U/L, mean ± SD	18.8 ± 3.9	20.1 ± 4.5	NS
Localized abdominal tenderness n (%)	48 (81.4)	119 (76.8)	NS
Preoperative scale of pain (range 1-10), mean ± SD	2.9 ± 1.5	2.7 ± 1.8	NS

OACL: Open appendectomy converted to laparoscopy; LIA: Lengthened-incision appendectomy; WBC: White blood cell.

Table 2 Perioperative data for the open appendectomy converted to laparoscopy and lengthened-incision appendectomy groups n (%)

Variable	OACL group(n =59)	LIA group(n =155)	P value
Operative time, min, mean ± SD	45.6 ± 17.2	43.8 ± 16.1	NS
Length of incision, cm, mean ± SD	3.8 ± 1.4	6.2 ± 3.5	< 0.05
Flatus, d, mean ± SD	2.3 ± 0.6	4.2 ± 0.8	< 0.05
Drain placed	36 (61.0)	124 (80.0)	< 0.05
Scale of pain (range 1-10), mean ± SD	3.6 ± 1.8	7.2 ± 2.4	< 0.05
Days of drainage, d, mean ± SD	2.1 ± 1.1	2.7 ± 1.6	NS
Reoperation	0 (0)	2 (1.3)	NS
Hospital stay, d, mean ± SD	5.1 ± 2.7	8.7 ± 3.2	< 0.05
Complications	4 (6.8)	23 (14.7)	< 0.05
Intra-abdominal abscess	1 (1.7)	7 (4.5)	< 0.05
Wound infection	2 (3.4)	11 (7.1)	< 0.05
Ileus	1 (1.7)	1 (0.6)	NS
Fecal fistula	0 (0)	2 (1.3)	NS
Bleeding	0 (0)	2 (1.3)	NS
Histopathology			NS
Acute	40 (67.8)	93 (60.0)
Phlegmonous	8 (13.6)	18 (11.6.)
Gangrenous or perforated	9 (15.3)	28 (18.1)
Periappendicular abscess	2 (3.5)	16 (10.3)

OACL: Open appendectomy converted to laparoscopy; LIA: Lengthened-incision appendectomy.