Displaying publications 1 - 20 of 41 in total

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  1. Kueh MTW, Chew NWS, Al-Ozairi E, le Roux CW
    Int J Obes (Lond), 2024 Mar;48(3):289-301.
    PMID: 38092958 DOI: 10.1038/s41366-023-01429-8
    Obesity, a chronic low-grade inflammatory disease represented by multifactorial metabolic dysfunctions, is a significant global health threat for adults and children. The once-held belief that type 1 diabetes is a disease of people who are lean no longer holds. The mounting epidemiological data now establishes the connection between type 1 diabetes and the subsequent development of obesity, or vice versa. Beyond the consequences of the influx of an obesogenic environment, type 1 diabetes-specific biopsychosocial burden further exacerbates obesity. In the course of obesity management discussions, recurring challenges surfaced. The interplay between weight gain and escalating insulin dependence creates a vicious cycle from which patients struggle to break free. In the absence of weight management guidelines and regulatory approval for this population, healthcare professionals must navigate the delicate balance between benefits and risks. The gravity of this circumstance highlights the importance of bringing these topics to the forefront. In this Review, we discuss the changing trends and the biopsychosocial aspects of the intersection between type 1 diabetes and obesity. We highlight the evidence supporting the therapeutic means (i.e., exercise therapy, nutritional therapy, adjunct pharmacotherapy, and bariatric surgery) and directions for establishing a more robust and safer evidence-based approach.
    Matched MeSH terms: Bariatric Surgery*
  2. Shukeri WFWM, Hassan MH, Hassan WMNW, Zaini RHM
    Malays J Med Sci, 2018 Sep;25(5):158-159.
    PMID: 30914872 DOI: 10.21315/mjms2018.25.5.15
    Anastomotic leak after bariatric surgery is a rare complication with a recent prevalence ranging from 0.8% to 1.5%. The complication nevertheless can result in morbidity and even mortality. The purpose of this paper is to present a patient who suffered from an anastomotic leak presenting 2 days after laparoscopic sleeve gastrectomy in our intensive care unit. Review of the current literature regarding this complication from critical care perspective is also attempted.
    Matched MeSH terms: Bariatric Surgery
  3. Yang W, Felsenreich DM, Taskin HE, Rajan R, Shahabi S, Zakeri R, et al.
    Obes Surg, 2024 Jan;34(1):274-277.
    PMID: 37971574 DOI: 10.1007/s11695-023-06947-y
    Matched MeSH terms: Bariatric Surgery*
  4. Lechmiannandan S, Panirselvam M, Muninathan P, Hussin N, Rajan R, Sidi H, et al.
    Obes Surg, 2019 05;29(5):1571-1575.
    PMID: 30706310 DOI: 10.1007/s11695-019-03722-w
    INTRODUCTION: Female sexual dysfunction (FSD) among the obese women is often under diagnosed and ignored especially in Malaysia, a nation of conservative multiethnic society. There are only a few studies on FSD resolution post-bariatric surgery. The objective was to identify the rate and resolution or improvement of FSD, among obese multiethnic Malaysian women post-bariatric surgery.

    MATERIAL AND METHODS: This is a prospective study of women undergoing bariatric surgery, between May 2017 and April 2018. FSD was diagnosed using the Malay version of Female Sexual Function Index (MVFSFI) questionnaire. Patients filled up the questionnaire before and 6 months after surgery. Association between BMI reduction and FSFI score improvement was measured using Fisher's exact test. Outcomes between types of surgery (sleeve gastrectomy and gastric bypass) was compared.

    RESULTS: Fifty-two women completed the study. The mean age was 38.77 ± 6.7. There were 44 (84.6%) Malay patients, 7 (13.5%) Indian patients, and 1 (1.9%) Chinese patient. There was a significant reduction in mean BMI, 39.89 ± 6.9 pre-surgery to 30.32 ± 5.4 post-surgery (p value

    Matched MeSH terms: Bariatric Surgery*
  5. Ramasamy P, Kumarasamy V, Singh ASM, Abu Bakar MZB, Narayanan P, Ganapathy SS, et al.
    Obes Surg, 2021 08;31(8):3749-3757.
    PMID: 34046825 DOI: 10.1007/s11695-021-05492-w
    PURPOSE: The effect of altered subsphincteric gastric volume and pressure after bariatric surgery on laryngopharyngeal reflux (LPR) remains largely unknown. This was a cross-sectional pilot study conducted between January 2018 and January 2019 to identify changes in LPR symptoms and signs in bariatric surgery patients presurgery and postsurgery.

    MATERIALS AND METHODS: Thirty-four patients listed for bariatric surgery in a single tertiary referral center were recruited, where 31 (77.4% female, mean age 46.3 ± 8.9 years) fulfilled the eligibility criteria. Of the eligible patients, 54.8% and 45.2% underwent sleeve gastrectomy (SG) and gastric bypass (GB), respectively. LPR symptoms were assessed using the self-reported reflux symptom index (RSI). Video-recorded endolaryngeal signs were scored using the reflux finding score (RFS) by two blinded otolaryngologists. Patients' presurgical and 3-month postsurgical body mass index (BMI), RSI, and RFS were determined. Patients were deemed as having LPR when RSI > 13 or RFS > 7.

    RESULTS: There was a significant correlation between the postsurgical RSI and RFS changes (Pearson's r = 0.474, p = 0.007). Of the 31 patients, 12.9% (RSI) and 6.4% (RFS) recovered from preexisting LPR, whereas 22.6% (RSI) and 3.2% (RFS) developed new de novo LPR postsurgery. The postsurgical mean RFS change improved significantly in the GB group compared with that of the SG group (p < 0.05).

    CONCLUSION: LPR is best assessed clinically using a multimodal approach (RSI and RFS). Bariatric surgery may worsen or lead to de novo LPR. Recognizing the LPR outcomes in these patients is paramount for optimal voice, speech, and swallowing functions.

    Matched MeSH terms: Bariatric Surgery*
  6. Wong ZY, Ramasamy P, Ingels KJAO, Parmar C, Yang W, Pouwels S, et al.
    Obes Surg, 2023 Jan;33(1):332-338.
    PMID: 36434358 DOI: 10.1007/s11695-022-06363-8
    This study aims to provide an overview of the facial features and structure after bariatric surgery in the existing literature. A systematic literature search was performed in electronic databases until 15th February 2022. Four cohort studies including 129 patients from 3 countries were included between time period 2011 and 2020. Overall, bariatric surgery would promote massive weight loss associated with positive effects on facial aging. Analysis revealed a proportional relationship between body mass index (BMI) and faster facial aging and more attractive. Undergoing bariatric surgery would result in facial skin sagging and a favorable effect on the upper airway. Bariatric surgery was found to have a significant impact on changes in facial features but the current evidence remains inconclusive and further studies are required to illustrate facial changes post-bariatric surgery.
    Matched MeSH terms: Bariatric Surgery*
  7. Lee YH, Johan A, Wong KK, Edwards N, Sullivan C
    Sleep Med, 2009 Feb;10(2):226-32.
    PMID: 18387341 DOI: 10.1016/j.sleep.2008.01.005
    INTRODUCTION: Obesity is becoming more prevalent world wide. Bariatric surgery is one treatment option for patients with severe or morbid obesity. There have been few comprehensive studies examining prevalence and risk factors for obstructive sleep apnea (OSA) in the multiracial Singaporean bariatric surgery population.
    METHODS: We performed full polysomnography on 176 consecutive patients undergoing assessment for bariatric surgery. Questionnaires regarding snoring, the presence of witnessed apneas and the Epworth Sleepiness Scale (ESS) were administered. Anthropometric and demographic measurements include age, sex, race, body mass index (BMI) and neck circumference.
    RESULTS: The prevalence of OSA was 72%, and 49% of the 176 patients had an AHI >= 15. There was a male predominance of OSA (X(2) = 29.7; p<0.001). OSA subjects had larger neck circumference (43.9 +/- 4.5 vs. 39.4 cm +/- 3.3; p<0.001) and higher BMI (43.1 +/- 7.6 vs. 39.1 +/- 5.4 kg/m(2); p<0.001). The neck circumference (OR = 1.37; p<0.001), presence of snoring (OR = 8.25; p<0.001) and an ESS >10 (OR = 3.24; p = 0.03) were significant independent predictors of an AHI >= 15. A neck circumference of 43 cm had an 80% sensitivity and 83% specificity for predicting an AHI >= 15.
    CONCLUSIONS: OSA is common amongst Singaporeans undergoing evaluation for bariatric surgery, with a high prevalence of moderate and severe disease. An increased neck circumference is a strong independent predictor for an AHI >= 15, with a neck circumference of greater than 43 cm being a sensitive and specific predictor. Race was not found to be a risk factor.
    Matched MeSH terms: Bariatric Surgery*
  8. Chaw SH, Lo YL, Goh SL, Cheong CC, Tan WK, Loh PS, et al.
    Obes Surg, 2021 10;31(10):4305-4315.
    PMID: 34282569 DOI: 10.1007/s11695-021-05564-x
    BACKGROUND: Transversus abdominis plane (TAP) block and intraperitoneal local anesthetics (IPLA) are widely investigated techniques that potentially improve analgesia after bariatric surgery. The analgesic efficacy of TAP block has been shown in previous studies, but the performance of TAP block can be difficult in patients with obesity. We performed a systematic review and meta-analysis to compare the analgesic efficacy of TAP block and IPLA. An alternative technique is useful in clinical setting when TAP block is not feasible.

    METHODS: We searched PubMed, Embase, and CENTRAL from inception until August 2020 for randomized controlled trials comparing both techniques. The primary outcome was cumulative morphine consumption at 24 h. Secondary pain-related outcomes included pain score at rest and on movement at 2, 6, 12, and 24 h; postoperative nausea and vomiting; and length of hospital stay.

    RESULTS: We included 23 studies with a total of 2,178 patients. TAP block is superior to control in reducing opioid consumption at 24 h, improving pain scores at all the time points and postoperative nausea and vomiting. The cumulative opioid consumption at 24 h for IPLA is less than control, while the indirect comparison between IPLA with PSI and control showed a significant reduction in pain scores at rest, at 2 h, and on movement at 12 h, and 24 h postoperatively.

    CONCLUSIONS: Transversus abdominis plane block is effective for reducing pain intensity and has superior opioid-sparing effect compared to control. Current evidence is insufficient to show an equivalent analgesic benefit of IPLA to TAP block.

    Matched MeSH terms: Bariatric Surgery*
  9. Hanipah ZN, Schauer PR
    Gastrointest. Endosc. Clin. N. Am., 2017 Apr;27(2):191-211.
    PMID: 28292400 DOI: 10.1016/j.giec.2016.12.005
    Sleeve gastrectomy, gastric bypass, gastric banding, and duodenal switch are the most common bariatric procedures performed worldwide. Ninety-five percent of bariatric operations are performed with minimally invasive laparoscopic technique. Perioperative morbidities and mortalities average around 5% and 0.2%, respectively. Long-term weight loss averages around 15% to 25% or about 80 to 100 lbs (40-50 kg). Comorbidities, including type 2 diabetes, hypertension, dyslipidemia, sleep apnea, arthritis, gastroesophageal reflux disease, and nonalcoholic fatty liver disease, improve or resolve after bariatric surgery.
    Matched MeSH terms: Bariatric Surgery/methods*
  10. Nor Hanipah Z, Schauer PR
    Obes Surg, 2018 10;28(10):3310-3311.
    PMID: 30094576 DOI: 10.1007/s11695-018-3457-8
    Matched MeSH terms: Bariatric Surgery*
  11. Hanipah ZN, Schauer PR
    Annu Rev Med, 2020 01 27;71:1-15.
    PMID: 31986081 DOI: 10.1146/annurev-med-053117-123246
    Metabolic surgery is increasingly becoming recognized as a more effective treatment for patients with type 2 diabetes (T2D) and obesity as compared to lifestyle modification and medical management alone. Both observational studies and clinical trials have shown metabolic surgery to result in sustained weight loss (20-30%), T2D remission rates ranging from 23% to 60%, and improvement in cardiovascular risk factors such as hypertension and dyslipidemia. Metabolic surgery is cost-effective and relatively safe, with perioperative risks and mortality comparable to low-risk procedures such as cholecystectomy, hysterectomy, and appendectomy. International diabetes and medical organizations have endorsed metabolic surgery as a standard treatment for T2D with obesity.
    Matched MeSH terms: Bariatric Surgery/methods*
  12. Punchai S, Nor Hanipah Z, Sharma G, Aminian A, Steckner K, Cywinski J, et al.
    Obes Surg, 2019 04;29(4):1122-1129.
    PMID: 30723879 DOI: 10.1007/s11695-018-3570-8
    BACKGROUND: There is limited data in the literature evaluating outcomes of bariatric surgery in severely obese patients with left ventricular assist device (LVAD) as a bridge to make them acceptable candidates for heart transplantation. This study aims to assess the safety and effectiveness of laparoscopic sleeve gastrectomy (LSG) in patients with previously implanted LVAD at our institution.

    METHODS: All the patients with end-stage heart failure (ESHF) and implanted LVAD who underwent LSG from2013 to January 2017 were studied.

    RESULTS: Seven patients with end stage heart failure (ESHF) and implanted LVAD were included. The median age and median preoperative BMI were 39 years (range: 26-62) and 43.6 kg/m2 (range 36.7-56.7), respectively. The median interval between LVAD implantation and LSG was 38 months (range 15-48). The median length of hospital stay was 9 days (rang: 6-23) out of which 4 patients had planned postoperative ICU admission. Thirty-day complications were noted in 5 patients (3 major and 2 minor) without any perioperative mortality. The median duration of follow-up was 24 months (range 2-30). At the last available follow-up, the median BMI, %EWL, and %TWL were 37 kg/m2, 47%, and 16%, respectively. The median LVEF before LSG and at the last follow-up point (before heart transplant) was 19% (range 15-20) and 22% (range, 16-35), respectively. In addition, the median NYHA class improved from 3 to 2 after LSG. Three patients underwent successful heart transplantations.

    CONCLUSION: Patients with morbid obesity, ESHF, and implanted LVAD constitute a high-risk cohort. Our results with 7 patients and result from other studies (19 patients) suggested that bariatric surgery may be a reasonable option for LVAD patients with severe obesity. Bariatric surgery appears to provide significant weight loss in these patients and may improve candidacy for heart transplantation.

    Matched MeSH terms: Bariatric Surgery/adverse effects; Bariatric Surgery/methods*
  13. Ardila-Gatas J, Sharma G, Nor Hanipah Z, Tu C, Brethauer SA, Aminian A, et al.
    Surg Endosc, 2019 06;33(6):1952-1958.
    PMID: 30367295 DOI: 10.1007/s00464-018-6475-7
    BACKGROUND: Perioperative pulmonary complications are frequent in patients with interstitial lung diseases (ILD). Limited literature exists regarding the safety of bariatric procedures in patients with ILD. This study aims to assess the safety, feasibility, and outcomes of patients with ILD who underwent bariatric surgery at our institution.

    METHODS: After IRB approval, all patients with preoperative diagnosis of ILD who had bariatric surgery at an academic center between 2004 and 2014 were retrospectively reviewed.

    RESULTS: A total of 25 patients with ILD underwent bariatric surgery: Roux-en-Y gastric bypass (n = 17, 68%), sleeve gastrectomy (n = 7, 28%), and adjustable gastric banding (n = 1, 4%). Twenty-one patients (84%) were females. The median age and preoperative body mass index (BMI) were 53 (IQR 42-58) years and 39 (IQR 37-44) kg/m2, respectively. The median operative time and length of stay was 137 (IQR 110-187) min and 3 (IQR 2-5) days, respectively. The 30-day complications were reported in four patients (16%) but there was no pulmonary complication or unplanned admission to the intensive care unit. At 1-year follow-up (85%), the median BMI and excess weight loss were 30 (IQR 25-36) kg/m2 and 67% (IQR 45-100), respectively. Compared to preoperative values, there was significant improvement in the pulmonary function test (PFT) variables at 1 year with respect to forced vital capacity (62% vs 74%; n = 13, p = 0.003), and diffusing capacity of the lungs for carbon monoxide (53% vs 66%; n = 10, p = 0.003). Six out of the seven potential lung transplant candidates became eligible for transplantation after weight loss, and one of them had successful lung transplant at 88 months after bariatric surgery.

    CONCLUSION: In our experience, bariatric patients with ILD achieved significant weight loss and improvement in PFT. Bariatric surgery in these higher risk ILD patients appears relatively safe with acceptable perioperative morbidity and improved candidacy for lung transplantation.

    Matched MeSH terms: Bariatric Surgery*
  14. Schauer PR, Nor Hanipah Z, Rubino F
    Cleve Clin J Med, 2017 Jul;84(7 Suppl 1):S47-S56.
    PMID: 28708482 DOI: 10.3949/ccjm.84.s1.06
    The term metabolic surgery describes bariatric surgical procedures used primarily to treat type 2 diabetes and related metabolic conditions. Originally, bariatric surgery was used as an alternative weight-loss therapy for patients with severe obesity, but clinical data revealed its metabolic benefits in patients with type 2 diabetes. Metabolic surgery is more effective than lifestyle or medical management in achieving glycemic control, sustained weight loss, and reducing diabetes comorbidities. Perioperative adverse events are similar to other gastrointestinal surgeries. New guidelines for type 2 diabetes expand use of metabolic surgery to patients with a lower body mass index.
    Matched MeSH terms: Bariatric Surgery/methods*
  15. Loo GH, Rajan R, Mohd Tamil A, Ritza Kosai N
    Surg Obes Relat Dis, 2020 Jun;16(6):778-783.
    PMID: 32199766 DOI: 10.1016/j.soard.2020.02.003
    BACKGROUND: Obesity is a growing health problem that has become a global epidemic. Serial population studies have shown the same in Malaysia, where the prevalence of obesity increased rapidly in the last decade. Currently, bariatric surgery is the most effective treatment in patients with morbid obesity. Obstructive sleep apnea (OSA) is the most common type of sleep-related breathing disorder seen in obesity.

    OBJECTIVES: We aim to ascertain the prevalence and severity of OSA in Asian patients who underwent bariatric surgery and were seen in our center.

    SETTING: The study was conducted in our university hospital.

    METHODS: Study approval was obtained from our institutional review board for a retrospective chart review. A total of 226 patients were included in this review. OSA was noted as absent or present and graded from mild to severe. The patient population was stratified by body mass index according to the World Health Organization guidelines for Asian population.

    RESULTS: The overall sample prevalence of OSA was 80.5%. Of these, 24.3% had mild OSA, 23.9% had moderate OSA, and 32.3% had severe OSA. Only 17.3% have been diagnosed with OSA before bariatric workup. Among men, the prevalence of OSA was 93.7% and 75.5% among women.

    CONCLUSION: Based on these findings, Asian patients undergoing bariatric workup should be considered for routine polysomnography to enable treatment of OSA.

    Matched MeSH terms: Bariatric Surgery*
  16. Hou LG, Prabakaran A, Rajan R, Mohd Nor FB, Ritza Kosai N
    Ann Med Surg (Lond), 2019 Nov;47:53-56.
    PMID: 31687133 DOI: 10.1016/j.amsu.2019.10.002
    Introduction: Massive localised lymphedema (MLL) is considered a rare large, pendulous localised benign overgrowth of lymphoproliferative tissue commonly seen in patients with morbid obesity. Histologically, it may be mistaken for well-differentiated liposarcoma; hence, it is also known as pseudosarcoma.

    Presentation of case: We describe the successful management of MLL of the left medial thigh in a 35-year-old man weighing 220 kgs (BMI 80.8 kgs/m2). He underwent a concurrent laparoscopic sleeve gastrectomy with surgical resection of the MLL. He recovered well and during our last follow up six months after the operation, he is ambulating well and weighs 148 kgs (BMI 54.4 kgs/m2).

    Discussion: MLL is a form of secondary lymphedema resulting in disruption or compression of normal lymphatic drainage due to fat accumulation in obese patients. Patients usually delay treatment for even up to a decade, when it becomes sufficiently large enough to restrict mobility and daily activities, or when it becomes infected. MLL is primarily a clinical diagnosis. A detailed history regarding its slow growth spanning over the years makes malignancy less likely. However, if left untreated, MLL may progress to angiosarcoma. Imaging studies such as computed tomography (CT) and a Magnetic Resonance Imaging (MRI) are usually performed to rule out malignancy or vascular malformations. A tissue biopsy is not recommended unless there are suspicious pigmented lesions.

    Conclusion: MLL remains to be underdiagnosed. Due to the obesity epidemic, clinicians must be aware of this once rare disease. The role of concurrent bariatric surgery with surgical resection of MLL warrants further studies.

    Matched MeSH terms: Bariatric Surgery
  17. Kosai NR, Rajan R
    Obes Surg, 2018 08;28(8):2572-2577.
    PMID: 29860561 DOI: 10.1007/s11695-018-3289-6
    Bariatric surgery has become a popular treatment modality for obesity in Malaysia. However, the absence of a standardized national registry has led to paucity of information pertaining to quantity and quality of bariatric surgery in Malaysia. In the absence of a national registry, a nationwide survey was conducted with the aim of establishing a fair estimate of case volume based on type of procedure and to identify the total number of surgeons performing those procedures at their respective centers from 1st January 2010 to 31st December 2016. For this purpose, a questionnaire was designed and distributed to bariatric surgeons throughout Malaysia. The data along with a brief narrative of the history and progress of bariatric surgery in Malaysia is presented in this report.
    Matched MeSH terms: Bariatric Surgery/trends*; Bariatric Surgery/statistics & numerical data
  18. Loo GH, Rajan R, Nik Mahmood NRK
    Ann Med Surg (Lond), 2019 Aug;44:72-76.
    PMID: 31321031 DOI: 10.1016/j.amsu.2019.06.014
    There is an increasing trend in the number of bariatric surgeries performed worldwide, partly because bariatric surgery is the most effective treatment for morbid obesity. Sleeve gastrectomy (SG) remains the most common bariatric surgery procedure performed, representing more than 50% of all primary bariatric interventions. Major surgical complications of SG include staple-line bleeding, leaking, and stenosis. A leak along the staple-line most commonly occurs at the gastroesophageal junction (GOJ). From January 2018 to December 2018, our centre performed 226 bariatric procedures, of which, 97.8% were primary bariatric procedures. The mean age and BMI were 38.7±8.3 years and 44 kg/m2, respectively. Out of the 202 primary SG performed, we encountered two cases of a staple-line leak (0.99%). This is the first reported case series of SG leaks from the Southeast Asia region. A summary of their characteristics, clinical presentation, subsequent management, and the outcome is discussed. Based on the latest available evidence from the literature, several methods may decrease staple-line leaks in SG. These include the use of a bougie size greater than 40 Fr, routine use of methylene blue test during surgery, beginning transection at 2-6 cm from the pylorus, mobilising the fundus before transection, and staying away from the GOJ at the last firing. Other methods include the proper alignment of the staple-line, control of staple-line bleeding, and performing staple-line reinforcement. The management of a staple-line leak remains challenging due to limited systematic, evidence-based literature being available. Therefore, a tailored approach is needed to manage this complication.
    Matched MeSH terms: Bariatric Surgery
  19. Abraham Chin Zefong, Mohammad Saffree Jeffree, Mohd Yusof Ibrahim
    MyJurnal
    Introduction:Obesity prevalence in Malaysian adults aged 18 and above has more than tripled over the past 20 years with 4.5% in 1996 to 17.7% in 2015. The alarming trend of the obesity epidemic in Malaysia requires im-mediate revision of public health policies. Thus this review was conducted to determine the effectiveness of latest weight reduction strategies. Methods: Literature search was conducted as guided by PICO Framework and using online databases PubMed on 22 June 2018. A total of 2,203 articles were found and screened. A total of 26 articles were reviewed. Results: Most weight loss achieved is through surgical intervention with weight reduction of 20.8 kg compared to 8.5 kg reduction in control group (95% CI, p < 0.001). Non-invasive procedures that produced greatest weight reduction include diet modification strategy consisting of isocaloric diet with large breakfast (700 kcal) which produced weight reduction of 8.7 ± 1.4 kg compared to large dinner (700 kcal) 3.6 ± 1.5 kg (95% CI, p < 0.0001, and special diet of adding 3g/day cumin supplementation into normal diet which produced weight reduction of 6.2 kg compared to 4.19 kg reduction in control group (95% CI, p < 0.05. Conclusion: In this review, most weight loss is achieved through surgical intervention. All patients should receive lifestyle therapy and additional consideration should be given for pharmacotherapy and bariatric surgery when indicated.
    Matched MeSH terms: Bariatric Surgery
  20. Osland E, Yunus RM, Khan S, Memon B, Memon MA
    Surg Endosc, 2017 04;31(4):1952-1963.
    PMID: 27623997 DOI: 10.1007/s00464-016-5202-5
    BACKGROUND: The prevalence of type 2 diabetes is growing in both developed and developing countries and is strongly linked with the prevalence of obesity. Bariatric surgical procedures such as laparoscopic vertical sleeve gastrectomy (LVSG) and laparoscopic Roux-en-Y gastric bypass (LRYGB) are increasingly being utilized to manage related comorbid chronic conditions, including type 2 diabetes.

    METHODS: A systematic review of randomized controlled trials (RCTs) was undertaken using the PRISMA guidelines to investigate the postoperative impact on diabetes resolution following LVSG versus LRYGB.

    RESULTS: Seven RCTs involving a total of 732 patients (LVSG n = 365, LRYGB n = 367) met inclusion criteria. Significant diabetes resolution or improvement was reported with both procedures across all time points. Similarly, measures of glycemic control (HbA1C and fasting blood glucose levels) improved with both procedures, with earlier improvements noted in LRYGB that stabilized and did not differ from LVSG at 12 months postoperatively. Early improvements in measures of insulin resistance in both procedures were also noted in the studies that investigated this.

    CONCLUSIONS: This systematic review of RCTs suggests that both LVSG and LRYGB are effective in resolving or improving preoperative type 2 diabetes in obese patients during the reported 3- to 5-year follow-up periods. However, further studies are required before longer-term outcomes can be elucidated. Areas identified that need to be addressed for future studies on this topic include longer follow-up periods, standardized definitions and time point for reporting, and financial analysis of outcomes obtained between surgical procedures to better inform procedure selection.

    Matched MeSH terms: Bariatric Surgery/methods
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