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https://www.readbyqxmd.com/read/28282003/complex-ventral-hernia-repair-with-acellular-dermal-matrices-clinical-and-quality-of-life-outcomes
#1
John Scott Roth, Amanda Zachem, Margaret A Plymale, Daniel L Davenport
Acellular dermal matrices (ADMs) are used in conjunction with complex hernia repair, but their efficacy is often debated. This study assesses clinical and quality of life (QOL) outcomes in multiply comorbid patients undergoing complex ventral hernia repair using ADMs. After obtaining institutional review board approval, a prospective study was conducted evaluating patients undergoing complex ventral incisional hernia repair with abdominal wall reconstruction (AWR) using either human (Flex HD) or porcine ADM (Strattice)...
February 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/28236012/application-of-a-computer-assisted-flexible-endoscope-system-for-transoral-surgery-of-the-hypopharynx-and-upper-esophagus
#2
Daniel T Friedrich, M O Scheithauer, J Greve, N Rotter, J Doescher, T K Hoffmann, P J Schuler
Zenker's diverticulum is a common pathology in the transition zone of the posterior hypopharynx and esophagus. Surgical treatment is routinely performed by ENT and general surgeons. Besides the traditional open transcervical diverticulectomy, the introduction of transoral rigid treatment led to a paradigm change and is now the preferred treatment option for patients who are fit for general anesthesia. The implementation of interventional flexible endoscopy has opened another new micro-invasive approach for patients with high morbidity...
February 24, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28228200/complex-ventral-hernia-repair-with-acellular-dermal-matrices-clinical-and-quality-of-life-outcomes
#3
John Scott Roth, Amanda Zachem, Margaret A Plymale, Daniel L Davenport
Acellular dermal matrices (ADMs) are used in conjunction with complex hernia repair, but their efficacy is often debated. This study assesses clinical and quality of life (QOL) outcomes in multiply comorbid patients undergoing complex ventral hernia repair using ADMs. After obtaining institutional review board approval, a prospective study was conducted evaluating patients undergoing complex ventral incisional hernia repair with abdominal wall reconstruction (AWR) using either human (Flex HD) or porcine ADM (Strattice)...
February 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/28093117/the-biological-prosthesis-is-a-viable-option-for-abdominal-wall-reconstruction-in-pediatric-high-risk-defects
#4
Osnat Zmora, Shannon L Castle, Stephanie Papillon, James E Stein
BACKGROUND: Our aim was to explore the indications for and outcome of biological prostheses to repair high risk abdominal wall defects in children. METHODS: A retrospective chart review was performed of all cases of abdominal wall reconstruction in a single institution between 2007 and 2015. Demographic and clinical variables, technique and complications were described and compared between prosthesis types. RESULTS: A total of 23 patients underwent abdominal wall reconstruction using a biological prosthesis including 17 neonates...
January 6, 2017: American Journal of Surgery
https://www.readbyqxmd.com/read/27709072/hirayama-s-disease-an-italian-single-center-experience-and-review-of-the-literature
#5
Valerio Vitale, Ferdinando Caranci, Chiara Pisciotta, Fiore Manganelli, Francesco Briganti, Lucio Santoro, Arturo Brunetti
BACKGROUND: Hirayama's disease (HD), is a benign, self-limited, motor neuron disease, characterized by asymmetric weakness and atrophy of one or both distal upper extremities. In the present study we report the clinical, electrophysiological and MRI features of a group of Italian patients, with review of the literature. Moreover we propose an optimized MRI protocol for patients with suspected or diagnosed HD in order to make an early diagnosis and a standardized follow up. METHODS: Eight patients with clinical suspicion of Hirayama disease underwent evaluation between January 2007 and November 2013...
August 2016: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/27058152/florid-pustular-dermatitis-of-breast-a-case-report-on-a-unusual-complication-from-acellular-dermal-matrix-use
#6
Justin James, Lee Jackson, Christobel Saunders
INTRODUCTION: Idiopathic erythematous reaction of the breast (Red breast syndrome) is a known complication following breast reconstruction with acellular dermal matrix. However pustular dermatitis like presentation is not previously known. PRESENTATION OF CASE: We present a 42-year-old lady who developed bilateral pustular dermatitis like appearance following breast reconstruction with acellular dermal matrix slings. Though surgical washout was done, both expanders and flex HD could be preserved...
2016: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/26381037/can-we-provide-low-intrarenal-pressures-with-good-irrigation-flow-by-decreasing-the-size-of-ureteral-access-sheaths
#7
Tarik Emre Sener, Jonathan Cloutier, Luca Villa, Francesco Marson, Salvatore Butticè, Steeve Doizi, Olivier Traxer
BACKGROUND AND PURPOSE: Flexible ureterorenoscopy (F-URS) plays a major role in the management of kidney stones. Ureteral access sheaths (UAS) are important tools for F-URS. In this study, we aimed to evaluate the difference in intrarenal pressures between different flexible ureteroscopes while using the same UAS and to calculate the irrigation flow variance. MATERIALS AND METHODS: Eight different flexible ureteroscopes were tested with five different UAS on an artificial kidney model to measure intrarenal pressures and irrigation flow...
January 2016: Journal of Endourology
https://www.readbyqxmd.com/read/25757631/potential-advantages-of-a-single-port-operator-controlled-flexible-endoscope-system-for-transoral-surgery-of-the-larynx
#8
Daniel T Friedrich, Marc O Scheithauer, Jens Greve, Uma Duvvuri, Fabian Sommer, Thomas K Hoffmann, Patrick J Schuler
INTRODUCTION: Transoral surgery of the larynx is commonly performed with a rigid laryngoscope, a microscope, and a laser. We investigated the potential utility of a flexible, single-port, robot-assisted and physician-controlled endoscopic system to enable easy, transoral surgical access to the larynx. METHODS: Transoral laryngeal surgery was performed in human cadavers (n = 4) using the Flex System and compatible flexible instruments. Anatomical landmarks were identified, and mock surgical procedures were performed...
August 2015: Annals of Otology, Rhinology, and Laryngology
https://www.readbyqxmd.com/read/25351394/demonstration-of-nasopharyngeal-surgery-with-a-single-port-operator-controlled-flexible-endoscope-system
#9
Patrick J Schuler, Thomas K Hoffmann, Uma Duvvuri, Nicole Rotter, Jens Greve, Marc O Scheithauer
BACKGROUND: Nasopharyngeal surgery is commonly performed with a rigid endoscope using a transnasal or transoral approach. Here, we demonstrate a flexible single port computer-assisted endoscopic system enabling easy transoral access to the nasopharynx. METHODS: Transoral nasopharyngeal surgery was performed in human cadavers (n = 8) using the Flex System (Medrobotics, Raynham, MA). Learning curves were evaluated based on the time necessary for reaching the Eustachian tube...
March 2016: Head & Neck
https://www.readbyqxmd.com/read/25318373/effect-of-acellular-human-dermis-buttress-on-laparoscopic-hiatal-hernia-repair
#10
COMPARATIVE STUDY
Kyle C Ward, Kevin P Costello, Sara Baalman, Richard A Pierce, Corey R Deeken, Margaret M Frisella, L Michael Brunt, Brent D Matthews
PURPOSE: The objective of this study was to evaluate the performance of acellular human dermis reinforcement during laparoscopic hiatal hernia repair. METHODS: A prospective non-randomized, single institution study enrolled patients undergoing laparoscopic hiatal hernia repair. Acellular human dermis, FlexHD (Musculoskeletal Transplant Foundation, Edison, NJ) or AlloDerm (LifeCell Inc., Branchburg, NJ) were used to buttress the repair after primary closure. A protocol barium swallow (BAS) was performed at 6 months and then as needed due to clinical indications...
August 2015: Surgical Endoscopy
https://www.readbyqxmd.com/read/24849269/a-novel-three-dimensional-and-high-definition-flexible-scope
#11
Kenichi Nishiyama, Yoshihiro Natori, Kazunari Oka
PURPOSE: Recent high-tech innovations in digital surgical technology have led to advances in three-dimensional (3D) and high-definition (HD) operating scopes. We introduce a novel 3D-HD flexible surgical scope called "3D-Eye-Flex" and evaluate its utility as an alternative to the operating microscope. METHODS: The 3D-Eye-Flex has a 15 mm long 3D-HD scope-head with a 15 mm outer diameter, a focus distance of 18-100 mm and 80° angle of view. Attached to a 615-mm-long flexible bellows, 3D-Eye-Flex can be easily fixed to the operating table...
June 2014: Acta Neurochirurgica
https://www.readbyqxmd.com/read/24780554/evaluation-of-acid-base-control-electrolyte-balance-and-filter-patency-of-a-prismaflex-based-regional-citrate-anticoagulation-protocol-for-pre-dilution-continuous-veno-venous-hemodiafiltration
#12
Dmytro Khadzhynov, Torsten Slowinski, Ina Lieker, Hans-H Neumayer, Harm Peters
BACKGROUND: Regional citrate anticoagulation (RCA) is increasingly used in patients requiring continuous renal replacement therapy (CRRT). This study evaluated a new RCA protocol based on the Prismaflex® dialysis device and an isotonic citrate solution (prismocitrate) for pre-dilution continous veno-venous hemodiafiltration. METHODS: The Prismaflex®/Prismocitrate-based protocol involved an AN69ST® membrane (Prisma Flex ST100), a blood flow of 120 mL/min, 1.8 L/h Prismocitrate (10 mmol/L citrate/2 mmol/L citric acid) substitution fluid in pre-dilution mode, and 0...
May 2014: Clinical Nephrology
https://www.readbyqxmd.com/read/24037058/crystalens-hd-intraocular-lens-analysis-using-an-adaptive-optics-visual-simulator
#13
Cari Pérez-Vives, Robert Montés-Micó, Norberto López-Gil, Teresa Ferrer-Blasco, Santiago García-Lázaro
PURPOSE: To compare visual and optical quality of the Crystalens HD intraocular lens (IOL) with that of a monofocal IOL. METHODS: The wavefront aberration patterns of the monocular Akreos Adapt AO IOL and the single-optic accommodating Crystalens HD IOL were measured in a model eye. The Crystalens IOL was measured in its nonaccommodative state and then, after flexing the haptic to produce 1.4 mm of movement, in its accommodative state. Using an adaptive optics system, subjects' aberrations were removed and replaced with those of pseudophakes viewing with either lens...
December 2013: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/23962698/effect-of-neck-flexion-on-somatosensory-and-motor-evoked-potentials-in-hirayama-disease
#14
A Abraham, M Gotkine, V E Drory, S C Blumen
UNLABELLED: Hirayama disease (HD) is a rare motor disorder mainly affecting young men, characterized by atrophy and weakness of forearm and hand muscles corresponding to a C7-T1 myotome distribution. The weakness is usually unilateral or asymmetric and progression usually stops within several years. The etiology of HD is not well understood. One hypothesis, mainly based on MRI findings, is that the weakness is a consequence of cervical flexion myelopathy. The aim of this study was to explore the function of corticospinal and ascending somatosensory pathways during neck flexion using evoked responses...
November 15, 2013: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/23365129/calcium-mediated-parathyroid-hormone-suppression-to-assess-progression-of-secondary-hyperparathyroidism-during-treatment-among-incident-dialysis-patients
#15
RANDOMIZED CONTROLLED TRIAL
M Rodriguez, P Ureña-Torres, F Pétavy, K Cooper, M Farouk, W G Goodman
CONTEXT: Parathyroid gland function is affected adversely by tissue hyperplasia and gland enlargement in hyperparathyroidism. OBJECTIVE: We examined the effects of 2 treatment strategies on the progression of secondary hyperparathyroidism using measurements of the nonsuppressible component of calcium-regulated PTH secretion as an index of parathyroid mass. DESIGN, SUBJECTS, AND INTERVENTION: In this randomized, open-label study, subjects managed with hemodialysis for >3 but <12 months before entering the trial (mean, 7...
February 2013: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/23248506/incarcerated-recurrent-amyand-s-hernia
#16
Benjamin Quartey, Obinna Ugochukwu, Reed Kuehn, Karen Ospina
Amyand's hernia is a rarity and a recurrent case is extremely rare. A 71-year-old male with a previous history of right inguinal hernia repair presented to the emergency department with a 1-day history of pain in the right groin. A physical examination revealed a nonreducible right inguinal hernia. A computed tomography scan showed a 1.3-cm appendix with surrounding inflammation within a right inguinal hernia. An emergent right groin exploration revealed an incarcerated and injected non-perforated appendix and an indirect hernia...
October 2012: Journal of Emergencies, Trauma, and Shock
https://www.readbyqxmd.com/read/22466148/a-preliminary-comparison-study-of-two-noncrosslinked-biologic-meshes-used-in-complex-ventral-hernia-repairs
#17
COMPARATIVE STUDY
Mona Janfaza, Maureen Martin, Ruby Skinner
BACKGROUND: The biologic materials currently available for hernia repairs are costly and there are limited statistics on recurrences and rates of infection in connection with their use in complex cases. METHODS: We performed a retrospective review and comparison of two types of biologic mesh used at our institution for abdominal hernia repairs spanning a 1-year period. Demographic data and outcomes relating to surgical site infections, hernia recurrences, and mortality were analyzed...
August 2012: World Journal of Surgery
https://www.readbyqxmd.com/read/22212811/how-does-the-neck-flexion-affect-the-cervical-mri-features-of-hirayama-disease
#18
Chao Hou, Hongbin Han, Xiaohong Yang, Xiaojuan Xu, Hui Gao, Dongsheng Fan, Yu Fu, Yu Sun, Bo Liu
Although flexion cervical MRI has been recommended for the diagnosis of Hirayama disease (HD), no study focused on the MR features at different neck flexion angles. Moreover, no uniform flexion angle has been confirmed in clinical practice. The purpose of this study is to quantitatively investigate the MRI typical signs of HD patients in different neck flexion degree and gives a suggestion to the MR scanning. Cervical MRI in neutral and different flexion positions (cervical flexion angle 20°, 25°, 30°, 35°, and 40°) were performed in 45 HD patients...
October 2012: Neurological Sciences
https://www.readbyqxmd.com/read/21670168/analysis-of-the-hd-gyp-domain-cyclic-dimeric-gmp-phosphodiesterase-reveals-a-role-in-motility-and-the-enzootic-life-cycle-of-borrelia-burgdorferi
#19
Syed Z Sultan, Joshua E Pitzer, Tristan Boquoi, Gerry Hobbs, Michael R Miller, M A Motaleb
HD-GYP domain cyclic dimeric GMP (c-di-GMP) phosphodiesterases are implicated in motility and virulence in bacteria. Borrelia burgdorferi possesses a single set of c-di-GMP-metabolizing enzymes, including a putative HD-GYP domain protein, BB0374. Recently, we characterized the EAL domain phosphodiesterase PdeA. A mutation in pdeA resulted in cells that were defective in motility and virulence. Here we demonstrate that BB0374/PdeB specifically hydrolyzed c-di-GMP with a K(m) of 2.9 nM, confirming that it is a functional phosphodiesterase...
August 2011: Infection and Immunity
https://www.readbyqxmd.com/read/20951487/economic-analysis-of-cinacalcet-in-combination-with-low-dose-vitamin-d-versus-flexible-dose-vitamin-d-in-treating-secondary-hyperparathyroidism-in-hemodialysis-patients
#20
RANDOMIZED CONTROLLED TRIAL
Theresa I Shireman, Ammar Almehmi, James B Wetmore, John Lu, Mark Pregenzer, L Darryl Quarles
BACKGROUND: The ACHIEVE (Optimizing the Treatment of Secondary Hyperparathyroidism: A Comparison of Sensipar and Low Dose Vitamin D vs Escalating Doses of Vitamin D Alone) trial evaluated the efficacy of treatment with cinacalcet plus low-dose activated vitamin D analogues (Cinacalcet-D) compared with vitamin D analogues alone (Flex-D) in attaining KDOQI (Kidney Disease Outcomes Quality Initiative) targets for secondary hyperparathyroidism (SHPT). The economic implications of these treatment regimens have not been explored...
December 2010: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
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