Food tolerance, nutritional status and health-related quality of life of patients with morbid obesity after bariatric surgery in a public hospital in Malaysia

Bariatric surgery has been proven to be the most effective weight loss treatment for patients with morbid obesity. However, the alteration in the anatomy of the gastrointestinal structure, food aversion, and non-compliance to recommended dietary advice after bariatric surgery may cause food intol...

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Main Author:	Tsen, Elina Poh Yue
Format:	Thesis
Language:	English
Published:	2021
Subjects:	Bariatric Surgery Morbid Obesity
Online Access:	http://psasir.upm.edu.my/id/eprint/103914/1/ELINA%20TSEN%20POH%20YUE%20-%20IR.pdf
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spelling	my-upm-ir.1039142023-05-30T09:27:24Z Food tolerance, nutritional status and health-related quality of life of patients with morbid obesity after bariatric surgery in a public hospital in Malaysia 2021-04 Tsen, Elina Poh Yue Bariatric surgery has been proven to be the most effective weight loss treatment for patients with morbid obesity. However, the alteration in the anatomy of the gastrointestinal structure, food aversion, and non-compliance to recommended dietary advice after bariatric surgery may cause food intolerance, which may affect the nutritional status and health-related quality of life (HRQOL). This study aims to determine the effects of bariatric surgery on food tolerance, nutritional status, and HRQOL among patients with morbid obesity in Malaysia. This prospective observational study screened a total of 97 patients with morbid obesity. Data on socio-demographic characteristics, food tolerance, nutritional status and HRQOL were collected and assessed at baseline, one month and three months after bariatric surgery. Food tolerance was evaluated using a validated quality of alimentation questionnaire. The anthropometry measurements, including the body mass index (BMI) and percent excess weight loss (EWL), were evaluated, and the dietary intake was collected using a threeday 24-hour food record. The HRQOL was assessed using the World Health Organization Quality of Life-BREF (WHOQOL-BREF) questionnaire. Data was collected in the Surgical Outpatient Department (SOPD) clinic, Hospital Kuala Lumpur, Malaysia. The final recruited patients with morbid obesity were 90 patients, with a response rate of 100%. There were 62 females (68.9%) and 28 male (31.1%) patients, with 50% of the patients’ age less than 40. The EWL one month and three months after surgery was 14.1% and 31.6%, respectively. There was a significant decrease in the total food tolerance score from 26.4 (SD = 0.8) at baseline to 17.7 (SD = 4.7) one month after bariatric surgery, but a gradual rise in the score to 21.7 (SD = 4.3) was observed three months after surgery. A similar pattern is seen in the dietary intake assessment where a significant reduction in the total energy from 1842 kcal (SD = 445) at baseline to 570 kcal (SD = 180) one month and an increase to 731 kcal (SD = 185) three months after bariatric surgery. The HRQOL of the study patients showed a statistically significantly increase in the domain of physical health (t = -7.253, p = < 0.001), psychological (t = -7.692, p < 0.001), social relationship (t = -5.767, p < 0.001) and environment (t = -4.208, p < 0.013) three months after bariatric surgery. In conclusion, the present study showed that bariatric surgery has effectively reduced weight and improved overall HRQOL domains among patients with morbid obesity despite reduced food tolerance and energy intake after bariatric surgery. Future longitudinal studies or randomized controlled trial are recommended to determine the cause-and-effect mechanisms with larger sample size about food tolerance, weight loss, dietary intake, HRQOL, and bariatric surgery in Malaysia. Bariatric Surgery Morbid Obesity 2021-04 Thesis http://psasir.upm.edu.my/id/eprint/103914/ http://psasir.upm.edu.my/id/eprint/103914/1/ELINA%20TSEN%20POH%20YUE%20-%20IR.pdf text en public masters Universiti Putra Malaysia Bariatric Surgery Morbid Obesity Mohd Yusof, Barakatun Nisak
institution	Universiti Putra Malaysia
collection	PSAS Institutional Repository
language	English
advisor	Mohd Yusof, Barakatun Nisak
topic	Bariatric Surgery Morbid Obesity
spellingShingle	Bariatric Surgery Morbid Obesity Tsen, Elina Poh Yue Food tolerance, nutritional status and health-related quality of life of patients with morbid obesity after bariatric surgery in a public hospital in Malaysia
description	Bariatric surgery has been proven to be the most effective weight loss treatment for patients with morbid obesity. However, the alteration in the anatomy of the gastrointestinal structure, food aversion, and non-compliance to recommended dietary advice after bariatric surgery may cause food intolerance, which may affect the nutritional status and health-related quality of life (HRQOL). This study aims to determine the effects of bariatric surgery on food tolerance, nutritional status, and HRQOL among patients with morbid obesity in Malaysia. This prospective observational study screened a total of 97 patients with morbid obesity. Data on socio-demographic characteristics, food tolerance, nutritional status and HRQOL were collected and assessed at baseline, one month and three months after bariatric surgery. Food tolerance was evaluated using a validated quality of alimentation questionnaire. The anthropometry measurements, including the body mass index (BMI) and percent excess weight loss (EWL), were evaluated, and the dietary intake was collected using a threeday 24-hour food record. The HRQOL was assessed using the World Health Organization Quality of Life-BREF (WHOQOL-BREF) questionnaire. Data was collected in the Surgical Outpatient Department (SOPD) clinic, Hospital Kuala Lumpur, Malaysia. The final recruited patients with morbid obesity were 90 patients, with a response rate of 100%. There were 62 females (68.9%) and 28 male (31.1%) patients, with 50% of the patients’ age less than 40. The EWL one month and three months after surgery was 14.1% and 31.6%, respectively. There was a significant decrease in the total food tolerance score from 26.4 (SD = 0.8) at baseline to 17.7 (SD = 4.7) one month after bariatric surgery, but a gradual rise in the score to 21.7 (SD = 4.3) was observed three months after surgery. A similar pattern is seen in the dietary intake assessment where a significant reduction in the total energy from 1842 kcal (SD = 445) at baseline to 570 kcal (SD = 180) one month and an increase to 731 kcal (SD = 185) three months after bariatric surgery. The HRQOL of the study patients showed a statistically significantly increase in the domain of physical health (t = -7.253, p = < 0.001), psychological (t = -7.692, p < 0.001), social relationship (t = -5.767, p < 0.001) and environment (t = -4.208, p < 0.013) three months after bariatric surgery. In conclusion, the present study showed that bariatric surgery has effectively reduced weight and improved overall HRQOL domains among patients with morbid obesity despite reduced food tolerance and energy intake after bariatric surgery. Future longitudinal studies or randomized controlled trial are recommended to determine the cause-and-effect mechanisms with larger sample size about food tolerance, weight loss, dietary intake, HRQOL, and bariatric surgery in Malaysia.
format	Thesis
qualification_level	Master's degree
author	Tsen, Elina Poh Yue
author_facet	Tsen, Elina Poh Yue
author_sort	Tsen, Elina Poh Yue
title	Food tolerance, nutritional status and health-related quality of life of patients with morbid obesity after bariatric surgery in a public hospital in Malaysia
title_short	Food tolerance, nutritional status and health-related quality of life of patients with morbid obesity after bariatric surgery in a public hospital in Malaysia
title_full	Food tolerance, nutritional status and health-related quality of life of patients with morbid obesity after bariatric surgery in a public hospital in Malaysia
title_fullStr	Food tolerance, nutritional status and health-related quality of life of patients with morbid obesity after bariatric surgery in a public hospital in Malaysia
title_full_unstemmed	Food tolerance, nutritional status and health-related quality of life of patients with morbid obesity after bariatric surgery in a public hospital in Malaysia
title_sort	food tolerance, nutritional status and health-related quality of life of patients with morbid obesity after bariatric surgery in a public hospital in malaysia
granting_institution	Universiti Putra Malaysia
publishDate	2021
url	http://psasir.upm.edu.my/id/eprint/103914/1/ELINA%20TSEN%20POH%20YUE%20-%20IR.pdf
_version_	1776100381896474624

Food tolerance, nutritional status and health-related quality of life of patients with morbid obesity after bariatric surgery in a public hospital in Malaysia

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