Long-term results after revisions of failed primary vertical banded gastroplasty

Table 1 Baseline characteristics (n = 152)

	Re-VBG n = 21 (13.8%) Mean ± SD	cSG n = 16 (10.5%) Mean ± SD	cRYGB n = 115 (75.7%) Mean ± SD	P value
Age (yr)	42.3 ± 8.6	41.6 ± 11.4	43.0 ± 8.9	0.828
Male:female	5:16	3:13	19:96	0.674
Body mass index before VBG (kg/m2)	42.6 ± 5.4	43.6 ± 5.0	44.1 ± 4.9	0.445
Preoperative comorbidities
Type 2 diabetes mellitus (n)	4	2	13	0.538
Hypertension (n)	4	2	25	0.79
Dyslipidemia (n)	0	3	11	0.111
Sleep apnea (n)	1	1	2	0.249
Osteo-articular disease (n)	5	0	9	0.038
Patients with 1 or more comorbidity	10	5	41	0.512
Operative time (min)	77.0 ± 39.2	100.6 ± 19.6	130.7 ± 47.3	< 0.001
Length of hospital stay (d)	3.1 ± 2.9	3.8 ± 2.2	4.1 ± 5.8	0.761
Interval between VBG and revision (mo)	12.3 ± 10.7	30.7 ± 26.5	47.8 ± 34.8	< 0.001
Average %EWL after VBG (%)	61.7 ± 27.0	38.7 ± 22.9	43.5 ± 25.0	0.007

Re-VBG: Revision of the vertical banded gastroplasty; cSG: Conversion to sleeve gastrectomy; cRYGB: Conversion to Roux-en-Y gastric bypass; VBG: Vertical banded gastroplasty; %EWL: Percentage of excess weight loss.