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https://www.readbyqxmd.com/read/28226477/improving-resolution-of-robotic-capsule-locomotion-using-dynamic-electromagnetic-field
#1
Fahad N Alsunaydih, Jean-Michel Redoute, Mehmet R Yuce, Fahad N Alsunaydih, Jean-Michel Redoute, Mehmet R Yuce, Jean-Michel Redoute, Mehmet R Yuce, Fahad N Alsunaydih
This paper describes a new method to control the motion of swallowable wireless capsule endoscopy devices. A dynamic magnetic field produced by a set of external magnetic coils is used to manage the locomotion of the capsule. A permanent magnet is embedded into the capsule in order to manipulate the capsule by changing the external magnetic field strength for each specific position. The dynamic magnetic field is externally controlled to reach and maintain the equilibrium state for holding the capsule in a specific location...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28214088/a-case-of-seropositive-autoimmune-autonomic-ganglionopathy-with-diffuse-esophageal-spasm
#2
Nobutoshi Morimoto, Sakuma Takahashi, Tomoki Inaba, Motonori Takamiya, Yasuhiko Kageyama, Mizuki Morimoto, Yoshiaki Takahashi, Hirotake Nishimura, Shunya Nakane, Koji Abe
Autoimmune autonomic ganglionopathy (AAG) is an immune-mediated disorder that leads to various autonomic failures associated with anti-ganglionic acetylcholine receptor antibodies (anti-gAChR-Abs). Diffuse esophageal spasm (DES) is an uncommon esophageal motility disorder. We herein report the case of a 68-year-old woman with DES as a partial symptom of AAG. She presented with chronic esophageal transit failure, constipation, and numbness of the hands and feet, Adie's pupil, thermal hypoalgesia, and decreased deep tendon reflexes...
February 14, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28154766/case-of-superficial-cancer-located-at-the-pharyngoesophageal-junction-which-was-dissected-by-endoscopic-laryngopharyngeal-surgery-combined-with-endoscopic-submucosal-dissection
#3
Kenro Kawada, Tatsuyuki Kawano, Taro Sugimoto, Kazuya Yamaguchi, Yuudai Kawamura, Toshihiro Matsui, Masafumi Okuda, Taichi Ogo, Yuuichiro Kume, Yutaka Nakajima, Andres Mora, Takuya Okada, Akihiro Hoshino, Yutaka Tokairin, Yasuaki Nakajima, Ryuhei Okada, Yusuke Kiyokawa, Fuminori Nomura, Takahiro Asakage, Ryo Shimoda, Takashi Ito
Aims. In order to determine the indications of transoral surgery for a tumor located at the pharyngoesophageal junction, the trumpet maneuver with transnasal endoscopy was used. Its efficacy is reported here. Material and Methods. An 88-year-old woman complaining of dysphagia, diagnosed with cervical esophageal cancer, and hoping to preserve her voice and swallowing function was admitted to our hospital. Conventional endoscopy showed that the tumor had invaded the hypopharynx. When inspecting the hypopharynx and the orifice of the esophagus, we asked the patient to blow hard and puff her cheeks with her mouth closed (trumpet maneuver)...
2017: Case Reports in Otolaryngology
https://www.readbyqxmd.com/read/28101775/clinical-experience-in-the-treatment-of-children-who-swallowed-multiple-magnetic-foreign-bodies-a-report-of-five-cases
#4
Yue-Bin Zhang, Zhi-Gang Gao, Qi-Xing Xiong, Li-Feng Zhang, Dou-Te Cai, Jia-Bin Cai
BACKGROUND: Several clinical reports have been published on complications resulting from swallowing multiple magnetic foreign bodies. This study aimed to summarize the clinical experience of managing children who swallowed multiple magnetic foreign bodies. METHODS: We reviewed the clinical records of five children who swallowed multiple magnetic foreign bodies and were admitted to our hospital during June 2012 to June 2014. Details of the patients' presentation, imaging studies, complications and treatment were recorded...
January 19, 2017: World Journal of Pediatrics: WJP
https://www.readbyqxmd.com/read/28041649/development-of-a-nomogram-for-predicting-the-risk-of-anastomotic-leakage-after-a-gastrectomy-for-gastric-cancer
#5
R-H Tu, J-X Lin, C-H Zheng, P Li, J-W Xie, J-B Wang, J Lu, Q-Y Chen, L-L Cao, M Lin, C-M Huang
AIMS: To investigate the incidence of and factors associated with anastomotic leakage (AL) following gastrectomy for gastric cancer. METHODS: We retrospectively analyzed 3632 patients who underwent a laparoscopic gastrectomy or open gastrectomy for gastric cancer. A logistic regression model was used to identify the determinant variables, and a nomogram for AL was developed. RESULTS: A total of 3632 patients were included in the study, 50 of whom (1...
February 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28040500/a-modification-of-nissen-fundoplication-improves-patients-outcome-and-may-reduce-procedure-related-failure-rate
#6
Romeo Bardini, Sabrina Rampado, Renato Salvador, Lisa Zanatta, Imerio Angriman, Silvia Degasperi, Angelica Ganss, Edoardo Savarino
BACKGROUND: Laparoscopic anti-reflux surgery has a failure rate of 10-20%. We aimed to investigate whether a modification of Nissen fundoplication (MNF) may improve patients' outcome and reduce failure rate. MATERIALS & METHODS: We prospectively compared 40 consecutive patients with gastroesophageal reflux disease who underwent anti-reflux surgery: 20 Nissen fundoplication (NF) and 20 the MNF approach. Eight cases in the MNF group needed redo surgery. The MNF consisted in suturing the esophagus to the diaphragmatic crura on each side by means of 4 non-absorbable stitches and in fixing the upper stitch of the valve to diaphragm...
February 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28039638/effects-of-laparoscopic-myotomy-on-the-esophageal-motility-pattern-of-esophageal-achalasia-as-measured-by-high-resolution-manometry
#7
Renato Salvador, Edoardo Savarino, Elisa Pesenti, Lorenzo Spadotto, Guerrino Voltarel, Giovanni Capovilla, Francesco Cavallin, Loredana Nicoletti, Michele Valmasoni, Alberto Ruol, Stefano Merigliano, Mario Costantini
BACKGROUND: Esophageal achalasia can be classified on the grounds of three distinct manometric patterns that correlate well with final outcome after laparoscopic Heller-Dor myotomy (LHM). No analytical data are available, however, on the postoperative picture and its possible correlation with final outcome. The aims of this study were: (a) to investigate whether manometric patterns change after LHM for achalasia; (b) to ascertain whether postoperative patterns and/or changes can predict final outcome; and (c) to test the hypothesis that the three known patterns represent different stages in the evolution of the disease...
December 30, 2016: Surgical Endoscopy
https://www.readbyqxmd.com/read/28018097/contraindications-for-video-capsule-endoscopy
#8
REVIEW
Dirk Bandorski, Niehls Kurniawan, Peter Baltes, Reinhard Hoeltgen, Matthias Hecker, Dominik Stunder, Martin Keuchel
Video capsule endoscopy (VCE) has been applied in the last 15 years in an increasing field of applications. Although many contraindications have been put into perspective, some precautions still have to be considered. Known stenosis of the gastrointestinal tract is a clear contraindication for VCE unless surgery is already scheduled or at least has been considered as an optional treatment modality. In patients with a higher incidence of stenosis, as in an established diagnosis of Crohn's disease, clinical signs of obstruction, prior radiation or surgical small bowel resection, a preceding test with the self-dissolving patency capsule can override this contraindication...
December 7, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27994270/esophageal-transit-scintigraphy-in-systemic-sclerosis
#9
REVIEW
Marek Chojnowski, Małgorzata Kobylecka, Marzena Olesińska
Systemic sclerosis is a rare connective tissue disease, distinctive features of which are fibrosis and microangiopathy. The esophagus is one of the most commonly involved internal organs. Most patients experience dysphagia, difficulties in swallowing and gastro-esophageal reflux. However, in up to one third of cases, the initial onset of esophageal disease may be clinically silent. There are several diagnostic modalities available for assessing both morphological and functional abnormalities of the esophagus...
2016: Reumatologia
https://www.readbyqxmd.com/read/27973949/robot-assisted-heller-s-myotomy-for-achalasia-in-children
#10
Tariq Altokhais, Hala Mandora, Ayed Al-Qahtani, Abdulrahman Al-Bassam
BACKGROUND: Achalasia is rare in children. Surgical options include open, laparoscopic and robotic approaches. However, Heller's myotomy remains the treatment of choice. This report describes our experience with robot-assisted Heller's myotomy in children and presents a review of the literature. METHODS: Included in this study are children who underwent robot-assisted Heller's myotomy for esophageal achalasia via the Da Vinci surgical system between 2004 and 2015 at King Saud University Medical City, Riyadh, Saudi Arabia...
December 2016: Comput Assist Surg (Abingdon)
https://www.readbyqxmd.com/read/27958600/comparison-between-videofluoroscopy-fiberoptic-endoscopy-and-scintigraphy-for-diagnosis-of-oro-pharyngeal-dysphagia
#11
B Fattori, P Giusti, V Mancini, M Grosso, M R Barillari, L Bastiani, S Molinaro, A Nacci
The purpose of this study was to compare videofluoroscopy (VFS), fiberoptic endoscopic evaluation of swallowing (FEES) and oro-pharyngo- oesophageal scintigraphy (OPES) with regards to premature spillage, post-swallowing residue and aspiration to assess the reliability of these tests for detection of oro-pharyngeal dysphagia. Sixty patients affected with dysphagia of various origin were enrolled in the study and submitted to VFS, FEES and OPES using a liquid and semi-solid bolus. As a reference, we used VFS...
October 2016: Acta Otorhinolaryngologica Italica
https://www.readbyqxmd.com/read/27951610/elipse-the-first-procedureless-gastric-balloon-for-weight-loss-a-prospective-observational-open-label-multicenter-study
#12
Evzen Machytka, Shantanu Gaur, Ram Chuttani, Martina Bojkova, Tomas Kupka, Marek Buzga, Andreas Giannakou, Kandiliotis Ioannis, Elisabeth Mathus-Vliegen, Samuel Levy, Ioannis Raftopoulos
Background and study aims Conventional gastric balloons for weight loss require endoscopy for placement and removal. The Elipse device is swallowed, resides in the stomach for 4 months, and is then expelled. The objectives of this study were to assess the safety of Elipse and to measure its effects on weight loss, metabolic parameters, and quality of life. Methods Each participant swallowed one Elipse device, which was filled with 550 mL of filling fluid through a thin delivery catheter that was then removed...
February 2017: Endoscopy
https://www.readbyqxmd.com/read/27933354/-pathophysiology-diagnosis-and-treatment-of-zenker-s-diverticulum
#13
T Hussain, J T Maurer, S Lang, B A Stuck
Zenker's diverticulum occurs at the dorsal pharyngoesophageal junction through Killian's dehiscence and is caused by increased intrabolus pressure. Symptomatic disease most frequently affects male elderly patients. Primary symptom is oropharyngeal dysphagia, as well as regurgitation of undigested food, halitosis, and chronic aspiration. A barium swallow study is performed to confirm diagnosis. Treatment options for symptomatic patients include open surgery, as well as transoral rigid or flexible endoscopic procedures...
December 8, 2016: HNO
https://www.readbyqxmd.com/read/27928446/gastrostomy-with-peritoneal-collar-versus-percutaneous-endoscopic-gastrostomy
#14
Tudor C, Branescu C, Savlovschi C, El-Khatib A, Pantu H, Nica A, Dascalu Am, Masoumeh B, Tudor As, Oprescu Sm, Serban D
Aim. The present study aimed to perform a medico-surgical comparative analysis of the 2 most widely used techniques: gastrostomy with peritoneal collar versus percutaneous endoscopic gastrostomy, based on the vast clinical experience in an Upper Digestive Surgery Clinic. Materials and method. A retrospective study was carried out between January 2010 and January 2015 on the patients admitted for a surgical solution for feeding. The indications, preoperative preparation, surgical techniques, and postoperative outcomes were analyzed...
October 2016: Journal of Medicine and Life
https://www.readbyqxmd.com/read/27908514/video-capsule-endoscopy-technology-reading-and-troubleshooting
#15
REVIEW
Jodie A Barkin, Jamie S Barkin
Video capsule endoscopy (VCE) has completed the endoscopic visualization of the entire luminal gastrointestinal tract. VCE can be performed in inpatients and outpatients, requires appropriate bowel preparation before the study, and can be administered via oral swallowing or endoscopic device placement into the small bowel based on outlined patient-dependent factors. Current commercially available VCE systems were reviewed and compared for individual features and attributes. This article focuses on preparation for VCE, currently available VCE technology, how to read a VCE study, and risks and contraindications to VCE...
January 2017: Gastrointestinal Endoscopy Clinics of North America
https://www.readbyqxmd.com/read/27859412/oesophageal-lichen-planus-the-efficacy-of-topical-steroid-based-therapies
#16
A Podboy, D Sunjaya, T C Smyrk, J A Murray, M Binder, D A Katzka, J A Alexander, M Halland
BACKGROUND: Oesophageal lichen planus is an idiopathic inflammatory disorder characterized by significant oesophageal stricturing. Oesophageal lichen planus is a rare, difficult to diagnose, and likely an under recognized disease. As a result, there is no standardized approach to therapy and treatment strategies vary. AIM: To examine the utility of topical steroid therapy (fluticasone or budesonide) in the management of oesophageal lichen planus. METHODS: A retrospective chart review was conducted of patients diagnosed with oesophageal lichen planus who underwent baseline and follow up endoscopy pre and post topical steroid therapy between 1995 and 2016 at Mayo Clinic, Rochester MN...
January 2017: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/27847061/endoscopic-repair-of-recurrent-tracheoesophageal-fistula-with-an-atrial-septal-occluder-device
#17
Alessandro Vivacqua, Dhananjay Malankar, Jay J Idrees, Thomas W Rice, Daniel P Raymond, Eric E Roselli
A 32-year-old woman presented with recurrent trachea-esophageal fistula. Although she had undergone open repair three times in her first year of life, a residual small leak was left. In the past 2 years she had experienced several lower respiratory tract infections and she had lost 5 kilograms in the past 2 months. Recent argon plasma coagulation cauterization and clipping of the fistula had failed, so an alternative technique with placement of an atrial septal occluder device was used to obliterate the fistula...
December 2016: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/27844264/does-routine-endoscopy-or-contrast-swallow-study-after-esophagectomy-and-gastric-tube-reconstruction-change-patient-management
#18
N Nederlof, J de Jonge, T de Vringer, T C K Tran, M C W Spaander, H W Tilanus, B P L Wijnhoven
BACKGROUND: Anastomotic leakage is a severe complication after esophagectomy. The objective was to investigate the diagnostic and predictive value of routine contrast swallow study and endoscopy for the detection of anastomotic dehiscence in patients after esophagectomy. METHODS: All patients who underwent contrast swallow and/or endoscopy within 7 days after oesophagectomy for cancer between January 2005 and December 2009 were selected from an institutional database...
February 2017: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/27813017/tri-comparison-of-laparoscopic-nissen-hill-and-nissen-hill-hybrid-repairs-for-uncomplicated-gastroesophageal-reflux-disease
#19
Andreas M Schneider, Ralph W Aye, Candice L Wilshire, Alexander S Farivar, Brian E Louie
BACKGROUND: A randomized controlled trial (RCT) showed that laparoscopic Nissen fundoplication (LNF) and Hill (LHR) repairs are equivalent in treating uncomplicated GERD. We combined both repairs to create a laparoscopic Nissen-Hill Hybrid repair (HYB). The purpose of this study is to compare clinical and objective outcomes of a matched group of HYB to the two cohorts of the RCT. METHODS: A retrospective analysis of prospectively collected data from the RCT and a prospectively collected data base was performed...
November 3, 2016: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/27784974/incidence-clinical-features-and-para-clinical-findings-of-achalasia-in-algeria-experience-of-25-years
#20
Amar Tebaibia, Mohammed Amine Boudjella, Djamel Boutarene, Farouk Benmediouni, Hakim Brahimi, Nadia Oumnia
AIM: To investigate the incidence of achalasia in Algeria and to determine its clinical and para-clinical profile. To evaluate the impact of continuing medical education (CME) on the incidence of this disease. METHODS: From 1990 to 2014, 1256 patients with achalasia were enrolled in this prospective study. A campaign of CME on diagnosis involving different regions of the country was conducted between 1999 and 2003. Annual incidence and prevalence were calculated by relating the number of diagnosed cases to 10(5) inhabitants...
October 14, 2016: World Journal of Gastroenterology: WJG
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