Asim Shabbir

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BACKGROUND Laparoscopic Roux-en-Y gastric bypass (LRYGB) can dramatically ameliorate type 2 diabetes mellitus (T2DM) in morbidly obese patients. However, there is little evidence supporting the effectiveness of LRYGB in low body mass index (BMI) patients. The study was designed to evaluate the safety and results of LRYGB for achieving T2DM remission in(More)
Laparoscopic appendectomy is being performed increasingly, worldwide. To the resident, it provides a valuable opportunity to master basic laparoscopic skills. Studies have shown that laparoscopic appendectomy performed by residents is safe. However, to date, there is no clear evidence for the minimum number of these operations required to achieving(More)
Optical spectroscopic techniques including reflectance, fluorescence and Raman spectroscopy have shown promising potential for in vivo precancer and cancer diagnostics in a variety of organs. However, data-analysis has mostly been limited to post-processing and off-line algorithm development. In this work, we develop a fully automated on-line Raman spectral(More)
Adipose-derived stem/stromal cells (ASCs) from the anatomically distinct subcutaneous and visceral depots of white adipose tissue (WAT) differ in their inherent properties. However, little is known about the molecular identity and definitive markers of ASCs from these depots. In this study, ASCs from subcutaneous fat (SC-ASCs) and visceral fat (VS-ASCs) of(More)
Obesity is a major public health concern around the world, including Asia. Bariatric surgery has grown in popularity to combat this rising trend. An e-mail questionnaire survey was sent to all the representative Asia-Pacific Metabolic and Bariatric Surgery Society (APMBSS) members of 12 leading Asian countries to provide bariatric surgery data for the last(More)
BACKGROUND Laparoscopic colectomy has yet to gain widespread acceptance in cost-conscious health-care institutions. The aim of the present study was to define the cost-benefit relationship of laparoscopic versus open colectomy. METHODS Thirty-two consecutive patients undergoing elective laparoscopic colectomy (LC) by a single colorectal surgeon between(More)
BACKGROUND Performing endoscopic submucosal dissection (ESD) by using standard endoscopy platforms is technically challenging because of the equipment's lack of dexterity. OBJECTIVE To explore the feasibility of using the Master and Slave Transluminal Endoscopic Robot (MASTER), a novel robotics-enhanced endosurgical system, to perform ESD. DESIGN ESD(More)
This study aimed to evaluate differences between three methods of liver retraction during laparoscopic Roux-en-Y Gastric bypass (LRYGB) and to compare novel liver retraction techniques with the traditional mechanical liver retractor in a randomized controlled trial. In this study, 60 obese patients (26 males and 34 females) who underwent LRYGB between(More)
Intestinal-type gastric carcinogenesis is a complex multi-step disease, and early precursors (e.g. intestinal metaplasia (IM), dysplasia) can be very challenging to identify using conventional white-light endoscopic imaging. This study aims to assess the capability of Raman spectroscopy for multi-class elucidation of intestinal-type gastric carcinogenesis(More)
BACKGROUND The laparoscopic adjustable gastric band has been widely accepted as 1 of the safest bariatric procedures to treat morbid obesity. However, because of variations in the results and the complications that tend to arise from port adjustment, alternative procedures are needed. We have demonstrated, in a university hospital setting, the safety and(More)