Obesity surgery
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The BioEnterics intragastric balloon (BIB) is one of the most common bariatric procedures in obese patients in Europe. Associated gastric perforation is a rare, yet very dangerous, complication. We report a case of such a complication after BioEnterics intragastric balloon insertion in a 60-year-old female patient and subsequent cooperation between an endoscopist and bariatric videosurgeon in her treatment.
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Obesity has become a major worldwide public health issue. There is a need for tools to measure patient-reported outcomes. The Moorehead-Ardelt Quality of Life Questionnaire II (MA II) contains six items. The objective of this study was to translate the MA II into Chinese and validate it in patients with morbid obesity. ⋯ The MA II Taiwan version is an obesity-specific questionnaire for QOL evaluation with satisfactory reliability and validity. It has the advantages of extensive evaluation for HRQOL, cross-cultural application, rapid completion, high response rates, and an advanced scoring system.
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Obesity is associated with obstructive sleep apnea (OSA) and nonalcoholic fatty liver disease (NAFLD). It has been shown that OSA could be an independent risk factor for NAFLD. OSA could cause not only insulin resistance but worse NAFLD through nocturnal hypoxemia. This study aimed to evaluate the frequency of OSA and NAFLD in obese patients and the relationship between OSA, insulin resistance, and severity of steatohepatitis (nonalcoholic steatohepatitis (NASH)). ⋯ Obese patients had elevated OSA and NAFLD frequencies. OSA was associated with insulin resistance but not with the severity of NASH.
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A new positioning device, the Rapid Airway Management Positioner (RAMP, Airpal Inc., Center Valley, PA) was evaluated to determine if there was an improvement in either mask ventilation, direct laryngoscopy, or both with the use of the RAMP in this patient population. Fifty-one morbidly obese patients (BMI > 35 kg/m(2)) undergoing elective bariatric surgery were enrolled. Ventilation and laryngoscopy was performed in the neutral and head-elevated laryngoscopy position (HELP). ⋯ Ease of intubation was perceived to be severely difficult among two, and overall use of the positioning device was found to be difficult among seven of the residents. The RAMP effectively positions morbidly obese patients in the HELP position. Ease of ventilation and laryngoscopic view were both improved with its use in this patient population.
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Review
Animal models in bariatric surgery--a review of the surgical techniques and postsurgical physiology.
Bariatric surgery is considered the most effective current treatment for morbid obesity. Since the first publication of an article by Kremen, Linner, and Nelson, many experiments have been performed using animal models. The initial experiments used only malabsorptive procedures like intestinal bypass which have largely been abandoned now. ⋯ We have also reviewed the anatomy and physiology of animal models. We have reviewed the literature and presented it such that it would be a reference to an investigator interested in animal experiments in bariatric surgery. Experimental animal models are further divided into two categories: large mammals that include dogs, cats, rabbits, and pig and small mammals that include rats and mice.