Prospective evaluation of laparoscopic Roux en Y gastric bypass in patients with clinically severe obesity

Table 1 Patients’ preoperative characteristics

Period of study	September 2003 to June 2008
Number of patients	130
Male:Female	21:109
Age (yr)	37 ± 9.4 (18-55)
Weight (kg)	125 ± 13.4 (95-170)
Excess weight (kg)	65 ± 9.7 (39-103)
% EBW	208 ± 14.5 (160.9-253.7)
ΒΜΙ (kg/m2)	46 ± 3.0 (37.5-50)

Values are mean ± SD (range).

Table 2 Preoperative comorbidities

Comorbidities	No. of patients (%)
Hypertension	21 (16.3)
COPD	22 (17.0)
Sleep apnea	13 (10.0)
Osteoarthritis	21 (16.3)
Depression	11 (8.5)
Diabetes Mellitus	24 (18.6)
OGTT	8 (6.2)
Hypercholesterolemia	64 (49.6)
Hypertriglyceridemia	36 (27.9)

COPD: Chronic obstructive pulmonary disease.

Table 3 Incidence of postoperative complications and management

Time	Complications	Treatment	% of patients
Early < 30 d
	3 gastrointestinal hemorrhages	Conservative (2)	2.4
		Operation (1)
	2 enterocutaneous fistulas	Operation	1.6
	1 peritonitis	Operation, ICU admission	0.8
	1 ileus due to volvulus	Operation	0.8
	1 portal vein thrombosis	Anticoagulants	0.8
	1 wound infection of port site	Antibiotics	0.8
	2 orthopedic injuries	Immobilization	1.6
	1 atelectasis	Antibiotics peros	0.8
	No incisional hernia		0.0
	1 anastomotic leak	Conservative	0.8
Intermediate 30-90 d
	1 incisional hernia	No operation	0.8
Late > 90 d
	5 incisional hernias	Operation (4)	3.9
	4 episodes of ileus	Operation (1)	3.1
		Conservative (3)
	1 suicide attempt		0.8
	1 gastrojejunal anastomosis stenosis	Endoscopic dilatation	0.8

Table 4 Weight loss during follow-up

	0 mo	12 mo	24 mo	36 mo	48 mo
Patients	130	110	85	51	16
Weight (kg)	125	81.6	81.4	84.1	79.2
BMI	46	30	31	32	31
IWL %		34.2	34.3	32.2	31.4
EWL %		66.2	65.9	61.5	61.1
Pts > 50% EWL		92	68	35	12

Values for weight, BMI, EWL, IWL are mean values.

Table 5 Postoperative resolution of comorbidities

Comorbidities	No. of patients	Follow- up period (mo)	Resolved (%)	Improved (%)	Without change (%)
Hypertension	21	24	84		16
COPD	22	12		100
Sleep apnea	13	12		100
Osteoarthritis	21	12		100
Depression	11	24		89	11
Diabetes Mellitus	24	12	91.7		8.3
OGTT	8	12	100
Hypercholesterolemia	64	36	94.4		5.6
Hypertriglyceridemia	36	12	100