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Lap Band

Yunfang Jia, Fang Li
Functional nucleic acids (FNAs) are promising sensing elements, and extensive interests are excited to integrate FNAs with transducers for biochemical assays. However, efforts for FNAs modified light-addressable-potentiometric-sensor (FNA-LAPS) are rarely reported. LAPS is a versatile transducer with electrolyte-insulator-semiconductor (EIS) structure and can respond almost to any surface electronic deviation. Herein, organized studies for FNA-LAPS including experiments, theoretical derivations, and MEDICI (Synopsys) simulations are presented using Pb2+ -DNAzyme GR-5 and Ag+ -aptamer as proof-of-concepts, which are typical FNAs with distinctive sensing strategies...
April 17, 2018: Analytical Chemistry
Jingwei Yang, Biao Cao, Qinghua Lu
The effects of welding energy on the mechanical and microstructural characteristics of ultrasonic-welded pure copper plates were investigated. Complex dynamic recrystallization and grain growth occurred inside the weld zone during ultrasonic welding. At a low welding energy, a thin band of straight weld interfaces was observed and had an ultra-fine grain structure. With an increase in welding energy, the weld interface progressively changed from flat to sinusoidal, and eventually turned into a convoluted wavy pattern, bearing similarities to shear instabilities, as observed in fluid dynamics...
February 16, 2017: Materials
Silvano R Valandro, Alessandra L Poli, Thaís F A Correia, Patricia C Lombardo, Carla C Schmitt
In the present study, we have attempted to investigate, for the first time, the photophysical behavior of 1,1'-diethyl-2,4'-cyanine (ICY)/clay mineral hybrids in the solid state. The effects promoted by ICY loading and clay type on the spectroscopic properties were studied by UV-vis diffuse reflectance spectroscopy (DR) and different fluorescence techniques. The hybrids were characterized by X-ray diffraction (XRD) and thermogravimetric analysis (TGA). UV-vis-DR revealed the formation of ICY H-aggregates in Wyoming montmorillonite (SWy-1) and Laponite (Lap); however, J-aggregates were predominant for ICY on Arizona (SAz-1) and Barasym (SYn-1) montmorillonites...
January 18, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
Dong Jin Kim, Wook Kim
No abstract text is available yet for this article.
November 2016: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
Amit Surve, Hinali Zaveri, Daniel Cottam, Christina Richards, Samuel Cottam, Austin Cottam
BACKGROUND: Laparoscopic adjustable gastric banding (LAGB) is a safe procedure with variable outcomes and large standard deviations. LAGB with gastric plication (LAGBP) is a new restrictive procedure that combines the lap band with gastric plication. This procedure, with its mechanism being below the band anatomically, should augment the weaknesses of the lap band: slips and inadequate weight loss. OBJECTIVE: Compare the weight loss results and complication rates between the LAGB and LAGBP...
February 2017: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
Mark Lenz, Karl Stoffel, Heike Kielstein, Keith Mayo, Gunther O Hofmann, Boyko Gueorguiev
INTRODUCTION: Proximal plate fixation in periprosthetic femur fractures can be improved by plate anchorage in the greater trochanter (lateral tension band principle) or bicortical locking screw placement beside the prosthesis stem in an embracement configuration. Both concepts were compared in a biomechanical test using a femoral hook plate (hook) or a locking attachment plate (LAP). METHODS: After bone mineral density (BMD) measurement in the greater trochanter, six pairs of fresh frozen human femora were assigned to two groups and instrumented with cemented hip endoprostheses...
December 2016: Injury
Bengt Pipkorn, Francisco J López-Valdés, Oscar Juste-Lorente, Ricardo Insausti, Christer Lundgren, Cecilia Sunnevång
OBJECTIVES: The objective of this study was to determine the potential chest injury benefits and influence on occupant kinematics of a belt system with independent control of the shoulder and lap portions. METHODS: This article investigates the kinematics and dynamics of human surrogates in 35 km/h impacts with 2 different restraints: a pretensioning (PT), force-limiting (FL) seat belt, a reference belt system, and a concept design with a split buckle consisting (SB) of 2 separate shoulder and lap belt bands...
September 2016: Traffic Injury Prevention
Patrícia C Lombardo, Alessandra L Poli, Lucas F Castro, Janice R Perussi, Carla C Schmitt
Photochemical method was used to synthesize silver nanoparticles (AgNPs) in the presence of citrate or clay (SWy-1, SYn-1, and Laponite B) as stabilizers and Lucirin TPO as photoinitiator. During the photochemical synthesis, an appearance of the plasmon absorption band was seen around 400 nm, indicating the formation of AgNPs. X-ray diffraction results suggested that AgNPs prepared in SWy-1 were adsorbed into interlamellar space, and moreover, showed some clay exfoliation. In the case of SYn-1, AgNPs was not intercalated...
August 24, 2016: ACS Applied Materials & Interfaces
Allon Kahn, Neera Agrwal, Elizabeth J Carey, James A Madura, Winston R Hewitt, Karen L Lambert, Thomas E Grys, Holenarasipur R Vikram
Nontuberculous mycobacteria are ubiquitous environmental organisms that are infrequently implicated as pathogens. Peritoneal infection with nontuberculous mycobacteria is rare and published reports are most commonly associated with peritoneal dialysis. This study describes a case of a 41-year-old woman with cirrhosis who had Mycobacterium abscessus peritonitis and an abdominal abscess resulting from infection of a remotely placed gastric band (Lap-Band; Apollo Endosurgery, Inc).
August 2016: Infectious Diseases
Melissa M Beitner, Christine J Ren-Fielding, George A Fielding
BACKGROUND: Adjustable gastric bands have undergone significant design changes since their introduction. Band diameter, balloon volume, and shape have been modified to create high balloon fill volumes but lower and more evenly distributed pressure on the upper stomach. There have been few comparative studies on complication rates with different band types. OBJECTIVES: To compare complication rates among different types of adjustable gastric bands at a single institution...
January 2016: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
Marko Nikolić, Ivan Kruljac, Lora Kirigin, Gorana Mirošević, Neven Ljubičić, Borka Pezo Nikolić, Miroslav Bekavac-Bešlin, Ivan Budimir, Milan Vrkljan
Background: Bariatric procedures are effective options for weight loss (WL) in the morbidly obese. However, some patients fail to lose any weight after bariatric surgery, and mid-term weight maintenance is variable. The aim of this study was to investigate whether initial WL could predict mid-term weight maintenance. Methods: Eighty patients were enrolled, of whom 44 were treated with the BioEnterics Intragastric Balloon (BIB), 21 with laparoscopic adjustable gastric lap-banding (LAGB), and 15 with laparoscopic sleeve gastrectomy (LSG)...
June 1, 2015: Bariatric Surgical Practice and Patient Care
Yan Meng, Chunli Cao, Shujie Song, Yue Li, Side Liu
BACKGROUND AND AIM: Gastrointestinal stromal tumors (GISTs) are the most common mesenchymal tumors of the gastrointestinal tract. Previous studies have addressed the safety and feasibility of endoscopic band ligation (EBL) for the treatment of small gastric GISTs. However, published reports comparing EBL with other interventions are limited. This current study evaluates the efficacy of EBL and compares EBL to both endoscopic submucosal dissection (ESD) and laparoscopic resection (LAP) for small gastric GISTs less than 15 mm...
July 2016: Surgical Endoscopy
Ali Aminian, Mohammad H Jamal, Amin Andalib, Esam Batayyah, Héctor Romero-Talamás, Bipan Chand, Phillip R Schauer, Stacy A Brethauer
INTRODUCTION: Age, superobesity, and cardiopulmonary comorbidities define patients as high risk for bariatric surgery. We evaluated the outcomes following bariatric surgery in extremely high-risk patients. MATERIALS AND METHODS: Among 3240 patients who underwent laparoscopic bariatric surgery at a single academic center from January 2006 through June 2012, extremely high-risk patients were identified using the following criteria: age ≥ 65 years, body mass index (BMI) ≥ 50 kg/m(2), and presence of at least two of six cardiopulmonary comorbidities, including hypertension, ischemic heart disease, congestive heart failure, chronic obstructive pulmonary disease, obstructive sleep apnea, and history of venous thromboembolism...
September 2015: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
J B Dixon, L L Eaton, V Vincent, R Michaelson
BACKGROUND: We performed a 5-year multicenter study to evaluate the safety and effectiveness of the LAP-BAND System surgery (LBS) in patients with obesity with a body mass index (BMI) of 30-39.9 kg m(-)(2). This pivotal study was designed to support LBS application to the US Food and Drug Administration for broadening the indications for surgery and the lower BMI indication was approved with 1-year data in 2011, with the intention to complete the 5-year evaluation. OBJECTIVES: To present broad health outcome data including weight change, patient reported outcomes, comorbidity change and complications during the 5-year study...
February 2016: International Journal of Obesity: Journal of the International Association for the Study of Obesity
Katherine Williams
Abdominal bloating is a common clinical presentation and can impact significantly on the quality of life. It can be functional or signify more serious pathology. We present a case presentation of a 38-year-old man who presented with recurrent episodes of abdominal bloating and severe debilitation for many years. He had suffered weight loss and was unable to tolerate solids. Ten years ago, he underwent an emergency laparotomy for sigmoid volvulus. In the presence of anaemia, normal imaging, and normal endoscopy, a laparoscopy was performed...
August 2015: Curēus
Mauro Maniscalco, Pierluigi Carratù, Stanislao Faraone, Maria Rosaria Cerbone, Stefano Cristiano, Anna Zedda, Onofrio Resta
BACKGROUND: Bariatric procedures provide an effective means of short term weight loss and sustained weight control for the morbidly obese. The effect of bariatric procedures on smoking habit in obese subjects is not well known. Therefore, we examined the short term effect of bariatric surgery on smoking habit of severe obese patients up to 12 months from the intervention. PATIENTS AND METHODS: Smoking habit was assessed in a cohort of 78 morbid smoking obese patients followed at our clinic for bariatric procedures...
2015: Tobacco Induced Diseases
Maria S Altieri, Jie Yang, Dana A Telem, Ziqi Meng, Catherine Frenkel, Caitlin Halbert, Mark Talamini, Aurora D Pryor
INTRODUCTION: We sought to determine the rate of revision and explant of the laparoscopic adjustable gastric banding (LAGB) over a ten-year period in the state of New York. METHODS: Following IRB approval, the SPARCS administrative database was used to identify LAGB placement from 2004 to 2010. We tracked patients who underwent band placement with subsequent removal/revision, followed by conversion to either Roux-en-Y gastric bypass (RYBG) or sleeve gastrectomy (SG) between 2004 and 2013...
May 2016: Surgical Endoscopy
K G Spiridakis, E E Polichronaki, E E Sfakianakis, M E Flamourakis, T H Margetousakis, A S Xekalou, G K Lianeris, E S Giannikaki, M S Christodoulakis
Primary malignant melanoma originating from the small intestine is extremely rare. Only a limited number of cases are described in the literature. Most commonly small intestine is affected by metastatic tumors from other primary lesions. We present a case of a 68-years old male diagnosed with primary malignant melanoma as an ulcerated and bleeding mass in the jejunum--located 40 cm away from the Treitz band. In our case the diagnosis was confirmed at laparotomy and enterectomy. Histology revealed a neoplastic infiltration involving the entire intestinal mucosa, with atypia of neoplastic cells and immunoreactivity to HMB45(+), Melan A(+) and S100(+), confirming the diagnosis of melanoma...
May 2015: Il Giornale di Chirurgia
W-L Lao, D C Malone, E P Armstrong, D Voellinger, S Somers, J Jin, N Dreyer, D Globe
OBJECTIVE: This report from the Helping Evaluate Reduction in Obesity (HERO) Study investigated weight loss, health-related quality of life (HRQOL), and factors predictive of HRQOL improvement during a 2 year period following Lap-Band AP implantation (post-LBAP). RESEARCH DESIGN AND METHODS: This prospective, observational study included patients with 1 and 2 year follow-up data post-LBAP (N = 585). Changes in body mass index (BMI), percentage of weight loss (%WL), excess weight loss (%EWL) and HRQOL (Impact of Weight on Quality of Life [IWQOL]-Lite measure), and differences between <30% EWL and ≥30% EWL subgroups were assessed at 1 and 2 years post-LBAP...
August 2015: Current Medical Research and Opinion
David Aranovich, Ilan Schrier
A rare case of complete large bowel obstruction in a pregnant woman, without previous surgical history, due to previously undiagnosed reversed intestinal rotation is presented. The young woman was admitted with progressive nausea and vomiting which did not respond to conventional therapy. Her plain abdominal film revealed signs of small bowel obstruction. On laparotomy, her transverse colon was found to be located beneath the root of small bowel mesentery and completely obstructed by congenital fibrous bands...
2015: Case Reports in Surgery
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