Influence of Asian Ethnicities on Short- and Mid-term Outcomes Following Laparoscopic Sleeve Gastrectomy

Zong Jie Koh, Bee Choo Tai, Lilian Kow, James Toouli, Muffazal Lakdawala, Tarik Delko, Marko Kraljević, Chih Kun Huang, Praveen Raj, Anton Cheng, Jaideepraj Rao, Alvin Eng, Nik Ritza Kosai Nik Mahmood, Reynu Rajan, Guo Wei Kim, Sang Moon Han, Jimmy Bok Yan So, Kazunori Kasama, Wei Jei Lee, Yong Jin Kim & 3 others Simon Kin Hung Wong, Sayeed Ikramuddin, Asim Shabbir

Research output: Contribution to journalArticle

Abstract

Purpose: Prevalence of obesity in Asia has been on the increasing trend, with corresponding increase in utilisation of bariatric surgery. The objective of this study was to examine differences in weight loss outcomes following bariatric surgery between Asian ethnicities. Materials and Methods: A retrospective database review was conducted of patients undergoing primary laparoscopic sleeve gastrectomy between 2009 and 2013 in 14 centres from Singapore, Malaysia, Taiwan, Hong Kong, Japan, Korea, India, Australia, Switzerland, and the USA. All patients with available follow-up data at 12 months and 36 months post-surgery were included in this study. Outcome measures used were percentage excess weight loss (%EWL) and percentage total weight loss (%TWL). Differences in outcomes between ethnicities were analysed after adjusting for age, gender, baseline body mass index (BMI), and presence of diabetes. Results: The study population (n = 2150) consisted of 1122 Chinese, 187 Malays, 309 Indians, 67 Japanese, 259 Koreans, and 206 Caucasians. 67.1% were female and 32.9% were male. Mean age was 37.1 ± 11.2 years. Mean pre-operative BMI was 40.7 ± 8.1 kg/m 2 . With the Caucasian population as reference, Japanese had the best %TWL (3.90, 95% CI 1.16–6.63, p < 0.05) and %EWL (18.55, 95% CI 10.33–26.77, p < 0.05) while the Malays had the worst outcomes. Both Chinese and Koreans had better %EWL but worse %TWL as compared to Caucasians and there were no significant differences with the Indian study group. Conclusion: There are differences in weight loss outcomes following bariatric surgery between Asian ethnicities.

Original languageEnglish
JournalObesity Surgery
DOIs
Publication statusPublished - 1 Jan 2019

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Gastrectomy
Bariatric Surgery
Weight Loss
Body Mass Index
Malaysia
Singapore
Hong Kong
Korea
Switzerland
Taiwan
Population
India
Japan
Obesity
Outcome Assessment (Health Care)
Databases

Keywords

  • Asian ethnicity
  • Bariatric surgery
  • Obesity
  • Sleeve gastrectomy
  • Weight loss outcomes

ASJC Scopus subject areas

  • Surgery
  • Endocrinology, Diabetes and Metabolism
  • Nutrition and Dietetics

Cite this

Influence of Asian Ethnicities on Short- and Mid-term Outcomes Following Laparoscopic Sleeve Gastrectomy. / Koh, Zong Jie; Tai, Bee Choo; Kow, Lilian; Toouli, James; Lakdawala, Muffazal; Delko, Tarik; Kraljević, Marko; Huang, Chih Kun; Raj, Praveen; Cheng, Anton; Rao, Jaideepraj; Eng, Alvin; Nik Mahmood, Nik Ritza Kosai; Rajan, Reynu; Kim, Guo Wei; Han, Sang Moon; So, Jimmy Bok Yan; Kasama, Kazunori; Lee, Wei Jei; Kim, Yong Jin; Wong, Simon Kin Hung; Ikramuddin, Sayeed; Shabbir, Asim.

In: Obesity Surgery, 01.01.2019.

Research output: Contribution to journalArticle

Koh, ZJ, Tai, BC, Kow, L, Toouli, J, Lakdawala, M, Delko, T, Kraljević, M, Huang, CK, Raj, P, Cheng, A, Rao, J, Eng, A, Nik Mahmood, NRK, Rajan, R, Kim, GW, Han, SM, So, JBY, Kasama, K, Lee, WJ, Kim, YJ, Wong, SKH, Ikramuddin, S & Shabbir, A 2019, 'Influence of Asian Ethnicities on Short- and Mid-term Outcomes Following Laparoscopic Sleeve Gastrectomy', Obesity Surgery. https://doi.org/10.1007/s11695-019-03716-8
Koh, Zong Jie ; Tai, Bee Choo ; Kow, Lilian ; Toouli, James ; Lakdawala, Muffazal ; Delko, Tarik ; Kraljević, Marko ; Huang, Chih Kun ; Raj, Praveen ; Cheng, Anton ; Rao, Jaideepraj ; Eng, Alvin ; Nik Mahmood, Nik Ritza Kosai ; Rajan, Reynu ; Kim, Guo Wei ; Han, Sang Moon ; So, Jimmy Bok Yan ; Kasama, Kazunori ; Lee, Wei Jei ; Kim, Yong Jin ; Wong, Simon Kin Hung ; Ikramuddin, Sayeed ; Shabbir, Asim. / Influence of Asian Ethnicities on Short- and Mid-term Outcomes Following Laparoscopic Sleeve Gastrectomy. In: Obesity Surgery. 2019.
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abstract = "Purpose: Prevalence of obesity in Asia has been on the increasing trend, with corresponding increase in utilisation of bariatric surgery. The objective of this study was to examine differences in weight loss outcomes following bariatric surgery between Asian ethnicities. Materials and Methods: A retrospective database review was conducted of patients undergoing primary laparoscopic sleeve gastrectomy between 2009 and 2013 in 14 centres from Singapore, Malaysia, Taiwan, Hong Kong, Japan, Korea, India, Australia, Switzerland, and the USA. All patients with available follow-up data at 12 months and 36 months post-surgery were included in this study. Outcome measures used were percentage excess weight loss ({\%}EWL) and percentage total weight loss ({\%}TWL). Differences in outcomes between ethnicities were analysed after adjusting for age, gender, baseline body mass index (BMI), and presence of diabetes. Results: The study population (n = 2150) consisted of 1122 Chinese, 187 Malays, 309 Indians, 67 Japanese, 259 Koreans, and 206 Caucasians. 67.1{\%} were female and 32.9{\%} were male. Mean age was 37.1 ± 11.2 years. Mean pre-operative BMI was 40.7 ± 8.1 kg/m 2 . With the Caucasian population as reference, Japanese had the best {\%}TWL (3.90, 95{\%} CI 1.16–6.63, p < 0.05) and {\%}EWL (18.55, 95{\%} CI 10.33–26.77, p < 0.05) while the Malays had the worst outcomes. Both Chinese and Koreans had better {\%}EWL but worse {\%}TWL as compared to Caucasians and there were no significant differences with the Indian study group. Conclusion: There are differences in weight loss outcomes following bariatric surgery between Asian ethnicities.",
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AU - Koh, Zong Jie

AU - Tai, Bee Choo

AU - Kow, Lilian

AU - Toouli, James

AU - Lakdawala, Muffazal

AU - Delko, Tarik

AU - Kraljević, Marko

AU - Huang, Chih Kun

AU - Raj, Praveen

AU - Cheng, Anton

AU - Rao, Jaideepraj

AU - Eng, Alvin

AU - Nik Mahmood, Nik Ritza Kosai

AU - Rajan, Reynu

AU - Kim, Guo Wei

AU - Han, Sang Moon

AU - So, Jimmy Bok Yan

AU - Kasama, Kazunori

AU - Lee, Wei Jei

AU - Kim, Yong Jin

AU - Wong, Simon Kin Hung

AU - Ikramuddin, Sayeed

AU - Shabbir, Asim

PY - 2019/1/1

Y1 - 2019/1/1

N2 - Purpose: Prevalence of obesity in Asia has been on the increasing trend, with corresponding increase in utilisation of bariatric surgery. The objective of this study was to examine differences in weight loss outcomes following bariatric surgery between Asian ethnicities. Materials and Methods: A retrospective database review was conducted of patients undergoing primary laparoscopic sleeve gastrectomy between 2009 and 2013 in 14 centres from Singapore, Malaysia, Taiwan, Hong Kong, Japan, Korea, India, Australia, Switzerland, and the USA. All patients with available follow-up data at 12 months and 36 months post-surgery were included in this study. Outcome measures used were percentage excess weight loss (%EWL) and percentage total weight loss (%TWL). Differences in outcomes between ethnicities were analysed after adjusting for age, gender, baseline body mass index (BMI), and presence of diabetes. Results: The study population (n = 2150) consisted of 1122 Chinese, 187 Malays, 309 Indians, 67 Japanese, 259 Koreans, and 206 Caucasians. 67.1% were female and 32.9% were male. Mean age was 37.1 ± 11.2 years. Mean pre-operative BMI was 40.7 ± 8.1 kg/m 2 . With the Caucasian population as reference, Japanese had the best %TWL (3.90, 95% CI 1.16–6.63, p < 0.05) and %EWL (18.55, 95% CI 10.33–26.77, p < 0.05) while the Malays had the worst outcomes. Both Chinese and Koreans had better %EWL but worse %TWL as compared to Caucasians and there were no significant differences with the Indian study group. Conclusion: There are differences in weight loss outcomes following bariatric surgery between Asian ethnicities.

AB - Purpose: Prevalence of obesity in Asia has been on the increasing trend, with corresponding increase in utilisation of bariatric surgery. The objective of this study was to examine differences in weight loss outcomes following bariatric surgery between Asian ethnicities. Materials and Methods: A retrospective database review was conducted of patients undergoing primary laparoscopic sleeve gastrectomy between 2009 and 2013 in 14 centres from Singapore, Malaysia, Taiwan, Hong Kong, Japan, Korea, India, Australia, Switzerland, and the USA. All patients with available follow-up data at 12 months and 36 months post-surgery were included in this study. Outcome measures used were percentage excess weight loss (%EWL) and percentage total weight loss (%TWL). Differences in outcomes between ethnicities were analysed after adjusting for age, gender, baseline body mass index (BMI), and presence of diabetes. Results: The study population (n = 2150) consisted of 1122 Chinese, 187 Malays, 309 Indians, 67 Japanese, 259 Koreans, and 206 Caucasians. 67.1% were female and 32.9% were male. Mean age was 37.1 ± 11.2 years. Mean pre-operative BMI was 40.7 ± 8.1 kg/m 2 . With the Caucasian population as reference, Japanese had the best %TWL (3.90, 95% CI 1.16–6.63, p < 0.05) and %EWL (18.55, 95% CI 10.33–26.77, p < 0.05) while the Malays had the worst outcomes. Both Chinese and Koreans had better %EWL but worse %TWL as compared to Caucasians and there were no significant differences with the Indian study group. Conclusion: There are differences in weight loss outcomes following bariatric surgery between Asian ethnicities.

KW - Asian ethnicity

KW - Bariatric surgery

KW - Obesity

KW - Sleeve gastrectomy

KW - Weight loss outcomes

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