Feasibility of single-incision laparoscopic cholecystectomy for acute cholecystitis

Table 1 Patient characteristics

	Acute cholecystitis (n = 100)
Mean age (yr ± SD)	66.8 ± 14.4
Sex
Male	51
Female	49
Mean BMI (kg/m2± SD)	23.9 ± 3.3
History of abdominal surgery	26 (26%)
Suspected choledocholithiasis	41 (41%)
Mean time from onset (d ± SD)	7.7 ± 4.1
TG13 severity grading
Grade I(mild)	86 (86%)
Grade II (moderate)	14 (14%)

SD: Standard deviation; BMI: Body mass index; TG13: Updated Tokyo Guidelines.

Table 2 Surgical outcomes

	Acute cholecystitis (n = 100)
Mean operative time (min ± SD)	87.4 ± 39.3
Mean estimated blood loss (mL ± SD)	80.6 ± 162.4
Achievement of critical view of safety	89 (89%)
Additional trocar insertion	9 (9%)
Conversion to laparotomy	12 (12%)
Postoperative complication	4 (4%)
Bile leakage	(2)
Stone passage into the CBD	(2)
Mean duration of postoperative hospital stay (d ± SD)	5.7 ± 5.1

SD: Standard deviation; CBD: Common bile duct.

Table 3 Histological diagnoses of resected gallbladder for acute cholecystitis

	n = 100
Edematous cholecystitis	9
Necrotizing cholecystitis	8
Suppurative cholecystitis	5
Chronic cholecystitis	74
(Acute on chronic cholecystitis)	(61)
Xanthogranulomatous cholecystitis	1
Adenocarcinoma	3

Table 4 Comparison of patients with and without conversion to laparotomy

	Without conversion (n = 88)	With conversion (n = 12)	P value
Mean age (yr ± SD)	66.1 ± 14.5	71.6 ± 13.3	NS
Sex
Male	44	7	NS
Female	44	5
Mean BMI (kg/m2± SD)	23.9 ± 3.1	24.1 ± 4.7	NS
History of abdominal surgery	22 (25%)	4 (33.3%)	NS
TG13 severity grading
Grade I (mild)	82 (93.2%)	4 (33.3%)	P < 0.001
Grade II (moderate)	6 (6.8%)	8 (66.7%)
Mean time from onset (d ± SD)	7.5 ± 4.0	9.1 ± 4.4	NS

SD: Standard deviation; NS: Not significant; BMI: Body mass index; TG13: Updated Tokyo Guidelines.