Laparoscopic sleeve gastrectomy (LSG) has recently become a popular procedure due to patients’ perception that this method may have lower risk than other bariatric surgeries. There is a lack of adequate predicted data on quality of life (QOL) among these patients. The aim of the study is to evaluate changes in physical and social functioning, pain, and mental health after LSG surgery.

This retrospective study evaluated QOL by using the obesity-specific Moorehead-Ardelt quality of life questionnaire II (MAII) and Medical outcomes survey short form 36 (SF-36) health survey. The questionnaires were used for a group of 120 patients underwent LSG in Shiraz. Demographics, quality of life were measured by questionnaires which filled by all patients and compared with whom were scheduled for surgery. In terms of statically significance, it is valuable when the P value is under < 0.05 in comparing two groups.

Their initial mean (SD) of body mass index (BMI) was 48.87 (1.38) kg/m². Six months after surgery, the mean (SD) of weight loss in patients was 36.15 (3.9) kg. Median follow-up point of patients was 14.5 months (range, 2 - 46 months). The median MAII score was 6.48 ± 0.45 after surgery with no significant difference in the comparison of pre-operation (P = 0.275), but the SF-36 scores were statistically different in all parameters (P < 0.05) except for “role limitations attributed to emotional problems” and “mental health” with no significant difference (P = 0.080, 0.074, respectively).

The outcomes of LSG operation compared with the pre-operation status of patients depicted that LSG is a satisfactory and effective bariatric procedure. Also, resolution of comorbidity is an important aspect and is comparable with other reports.