Obesity a worldwide health pandemic and a growing problem among Saudi population due to
inactive lifestyle, lack of physical activity and a shift to soft drink and fast food. Obesity has a negative
impact on physical, social wellbeing and increased risk of impaired quality of life of people.
Laparoscopic sleeve gastrectomy (LSG) is believed to be the most durable method of weight loss
among obese patients improving their quality of life after this bariatric surgery is dependent on weight
loss. Objective: Assess the impact of laparoscopic sleeve gastrectomy on adults' weight reduction,
obesity-associated comorbidities and quality of life. Setting: The study was conducted at Surgical
Department at King Fahad Hospital in Almadinuh Almunawruh, Saudi Arabia. Subjects: 100 adult
patients with obesity (BMI ≥ 40 Kg/m2) with or without obesity related comorbidities who underwent
to LSG before and 12 months after surgery. Tools: Two tools were used; tool I, Socio-Demographic
Characteristics & medical data, it was developed by the researcher, tool II, Quality of Life scale to
measure the impact of weight on quality of life. Results: The results revealed that, there was statistical
significant weight loss, reduction in BMI (p<0.001), significant reduction in severity of comorbidities
(hypertension, type2 DM, arthritis) after surgery and significantly improved physical function, work
performance and overall quality of life as well as experienced significantly lower public distress.
Moreover, a significant positive correlation was shown between participants mean weight and their
quality of life scores after surgery (p=.000). Conclusion: The study concludes that significant
reduction of patient's body weight, comorbidities and QOL post LSG. Recommendations: Application
of educational program for post laparoscopic sleeve gastrectomy important for patients to improve
their awareness of life style changes, especially about diet and develop a simple manual guideline of
dietary modification to be available for post LSG patients and all nurses working with them.