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"Component separation"

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https://www.readbyqxmd.com/read/29068903/redefining-the-rectus-sheath-implications-for-abdominal-wall-repair
#1
Imran R A Punekar, Joseph S Khouri, Michael Catanzaro, Aizaz L Shaikh, Howard N Langstein
BACKGROUND: The abdominal wall is frequently manipulated in a variety of reconstructive procedures, and its anatomy is well described. Our clinical observations, however, contradict the standard depiction of the components of the abdominal wall at various levels - particularly regarding the course of the transversus abdominis muscle (TA). Therefore, we sought to characterize the components of the rectus sheath at various anatomic levels corresponding to surgical landmarks in order to define key points relevant to abdominal wall repair...
October 13, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29063714/factorization-of-force-and-timing-in-sensorimotor-performance-long-range-correlation-properties-of-two-different-task-goals
#2
Ramesh Balasubramaniam, Michael J Hove, Butovens Médé
Long-range correlations are often manifested in the form of 1/f(β) noise in a series of repeated measurements of the same neural or behavioral variable. Recent work has demonstrated that the magnitude and nature of these long-range correlations reliably capture individual differences and variation in task performance. In sensorimotor timing experiments, task characteristics such as tapping or circle drawing affect these long-range correlations during the production of isochronous time intervals. Such correlations are highly reproducible across multiple trials for the same task but do not correlate between tasks...
October 24, 2017: Topics in Cognitive Science
https://www.readbyqxmd.com/read/29062460/heterotopic-ossification-encountered-during-a-complex-ventral-hernia-repair-case-report-and-literature-review
#3
Takintope Akinbiyi, Sanjeev Kaul
Introduction: Heterotopic ossification involves the formation of trabecular bone outside of its usual anatomic location. While it is a well-known entity in orthopedic and spinal injury literature, it has also been observed after midline laparotomy and severe burns. Methods/Case Report: We present a case of a 69-year-old man who presented for ventral hernia repair after a prolonged postoperative course following colectomy involving an open abdomen with eventual closure with skin grafting. Results: Two large calcified objects were encountered during the excision of the skin graft from the small intestine and during the component separation...
2017: Eplasty
https://www.readbyqxmd.com/read/29055880/component-separation-of-abdominal-wall-with-intraoperative-botulinum-a-presents-satisfactory-outcomes-in-large-incisional-hernias-a-case-report
#4
Lucas Torres Oliveira, Felipe Futema Essu, Gustavo Heluani Antunes de Mesquita, Yuri Justi Jardim, Leandro Ryuchi Iuamoto, Fábio Yuji Suguita, Diego Ramos Martines, Fernanda Nii, Daniel Reis Waisberg, Alberto Meyer, Wellington Andraus, Luiz Augusto Carneiro D'Albuquerque
PURPOSE: Transplantation patients have a series of associated risk factors that make appearance of incisional hernia (IH) more likely. A number of aspects of the closure of large defects remain controversial. In this manuscript, we present the repair of a large IH following liver transplantation through the technique of posterior components separation combined with the anterior, together with the intraoperative use of botulinum toxin A and the placement of mesh. As a secondary objective, we analyze the incidence of IH following liver transplantation in our service...
October 12, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29053405/evolution-of-endoscopic-anterior-component-separation-to-a-precostal-access-with-a-new-cylindrical-balloon-trocar
#5
Gernot Köhler, Ines Fischer, Richard Kaltenböck, Michael Lechner, Bernhard Dauser, Lars Nannestad Jorgensen
INTRODUCTION: Endoscopic anterior component separation (ECS) techniques facilitate tension-free midline closure of wide ventral hernia defects. We describe a novel approach with a precostal incision and a new cylindrical ballon trocar. MATERIALS AND METHODS: A single-center analysis of 19 patients undergoing ECS between January 1, 2014 and August 2, 2017 was performed with regard to improvement of technique. We currently start with a lateral precostal incision. This access in a low-fat and stable area allows for easy identification of the external oblique muscle with the ribs functioning as dorsal abutment for entering the correct plane between external and internal oblique muscles...
October 20, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/29030835/a-new-technique-for-tension-free-reconstruction-in-large-incisional-hernia
#6
Gabriele Munegato, Landino Fei, Michele Schiano di Visconte, Danilo Da Ros, Luana Moras, Gabriele Bellio
In the surgical management of large incisional hernias, the main target is the closure of the abdominal wall defect on the midline without a dangerous increase in the intraabdominal pressure. In this setting, new intraperitoneal prosthesis and components separation techniques were proposed to solve this problem. Both solutions present some critical issues. A new surgical approach with a free lateral double layer prosthesis totally in polypropylene both sides (FLaPp(®)) is proposed to overcome this problem...
December 2017: Updates in Surgery
https://www.readbyqxmd.com/read/29018339/gravitational-and-dynamic-components-of-muscle-torque-underlie-tonic-and-phasic-muscle-activity-during-goal-directed-reaching
#7
Erienne V Olesh, Bradley S Pollard, Valeriya Gritsenko
Human reaching movements require complex muscle activations to produce the forces necessary to move the limb in a controlled manner. How gravity and the complex kinetic properties of the limb contribute to the generation of the muscle activation pattern by the central nervous system (CNS) is a long-standing and controversial question in neuroscience. To tackle this issue, muscle activity is often subdivided into static and phasic components. The former corresponds to posture maintenance and transitions between postures...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28951658/robotic-ventral-hernia-repair-and-endoscopic-component-separation-outcomes
#8
Rodolfo J Oviedo, Jarrod C Robertson, Apurva Sunder Desai
BACKGROUND AND OBJECTIVES: Robot-assisted hernia repair, combined with endoscopic component separation, has reduced recurrence and complication rates and allowed immediate intervention in obese patients. We sought to study surgical outcomes in this high-risk group of patients in a community hospital. METHODS: We conducted a retrospective chart review of ventral, incisional, and umbilical hernia repairs performed at a small community hospital by a single surgeon from March 2014 through November 2016, with statistical analysis of the surgical outcomes...
July 2017: JSLS: Journal of the Society of Laparoendoscopic Surgeons
https://www.readbyqxmd.com/read/28942568/endoscopic-anterior-component-separation-a-novel-technical-approach
#9
B Dauser, S Ghaffari, C Ng, T Schmid, G Köhler, F Herbst
PURPOSE: Open anterior release of the external oblique fascia to enable midline closure of large abdominal wall defects is associated with relevant morbidity due to extensive subcutaneous dissection. Using endoscopic techniques, wound complications can be minimized. However, identification of the correct entry point (e.g. for balloon trocar insertion) can be challenging especially in adipose patients. We therefore present a technical modification facilitating the entire procedure. METHODS: A novel technique for endoscopic anterior component separation using a trocar system allowing blunt and sharp dissection under direct vision is described...
September 23, 2017: Hernia: the Journal of Hernias and Abdominal Wall Surgery
https://www.readbyqxmd.com/read/28923630/use-of-nonvascularized-abdominal-rectus-fascia-after-liver-small-bowel-and-multiorgan-transplantation-long-term-follow-up-of-a-single-center-series
#10
P A Farinelli, J S Rubio, J M Padín, C Rumbo, H Solar, D Ramisch, G E Gondolesi
BACKGROUND: The abdominal wall may be severely compromised in the vast majority of intestinal and multiorgan transplant candidates, and sometimes as a consequence of complex liver transplantation. Multiple options have been described to overcome this problem, varying from component separation to the extreme need of performing an abdominal wall transplantation. The aim of the present paper is to report the largest and longest-term results of patients that received an abdominal rectus fascia (ARF) after liver, intestinal, or multiorgan transplantation at a single transplant center...
October 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28917217/post-operative-c-reactive-protein-profile-following-abdominal-wall-reconstruction-with-transversus-abdominis-posterior-components-separation
#11
A Pearce, L Thornton, P A Sutton, C J Walsh
INTRODUCTION: Abdominal wall reconstruction using posterior component separation with transversus abdominis release (AWTAR) produces a unique post-operative CRP profile, when compared to routine elective colorectal operations. Therefore, we aim to establish the normal post-operative C-reactive protein (poCRP) profile following AWRTAR and reduce the unnecessary invasive interventions in patients already at greater risk of septic complications. METHODS: A retrospective analysis of daily poCRP levels was performed both for patients who underwent uncomplicated AWRTAR (n=12), and a comparator group of uncomplicated open right hemicolectomies (RH) matched for age and sex (n=24)...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28917016/predictors-of-outpatient-resource-utilization-following-ventral-and-incisional-hernia-repair
#12
Alex Wade, Margaret A Plymale, Daniel L Davenport, Sara E Johnson, Vashisht V Madabhushi, Erica Mastoroudis, Charlie Tancula, John Scott Roth
INTRODUCTION: Little is known about the predictors of increased ambulatory costs following open ventral and incisional hernia repair (VIHR); however, postoperative complications would be expected to be associated with an increased burden on outpatient resources. The purpose of this study is to evaluate the impact of perioperative factors on outpatient resource utilization following VIHR. METHODS: With IRB approval, the surgery scheduling system was queried to identify all cases of VIHR done at our institution over 3 years...
September 15, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28912158/visual-responses-in-fef-unlike-v1-primarily-reflect-when-the-visual-context-renders-a-receptive-field-salient
#13
Wilsaan M Joiner, James Cavanaugh, Robert H Wurtz, Bruce G Cumming
When light falls within a neuronal visual receptive field (RF) the resulting activity is referred to as the visual response. Recent work suggests this activity is in response to both the visual stimulation and the abrupt appearance, or salience, of the presentation. Here we present a novel method for distinguishing the two, based on the timing of random and nonrandom presentations. We examined these contributions in frontal eye field (FEF; N = 51) and as a comparison, an early stage in the primary visual cortex (V1; N = 15) of male monkeys (Macaca mulatta)...
October 11, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28873220/patterns-and-predictors-of-frailty-transitions-in-older-men-the-osteoporotic-fractures-in-men-study
#14
Lauren R Pollack, Stephanie Litwack-Harrison, Peggy M Cawthon, Kristine Ensrud, Nancy E Lane, Elizabeth Barrett-Connor, Thuy-Tien Dam
OBJECTIVES: To describe the natural history of frailty transitions in a large cohort of community-dwelling older men and identify predictors associated with progression to or improvement from states of greater frailty. DESIGN: Prospective cohort study. SETTING: Six U.S. sites. PARTICIPANTS: Community-dwelling men aged 65 and older (N = 5,086). MEASUREMENTS: Frailty was measured at baseline and an average of 4...
November 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/28811004/component-separation-technique-for-giant-incisional-hernia-a-systematic-review
#15
REVIEW
Bram Cornette, Dirk De Bacquer, Frederik Berrevoet
The component separation technique (CST) has gained popularity among general surgeons in the management of giant abdominal hernia. A systematic review of the MedLine and EMBASE databases was performed. 36 observational cohort studies were included for data-analysis and divided in 4 main groups: Open Anterior Approach (OAA), Transversus Abdominis Release (TAR), Laparoscopic Anterior Approach (LAA) and Perforator Preserving Approach (PPA). Surgical Site Occurrences (SSO) occurred in 21.4%, 23.7%, 20.3% and 16...
August 10, 2017: American Journal of Surgery
https://www.readbyqxmd.com/read/28792430/component-separation-technique-for-repair-of-massive-abdominal-wall-defects-at-a-pediatric-hospital
#16
James D Vargo, Michael T Larsen, Gregory D Pearson
BACKGROUND: Massive defects of the abdominal wall are commonly repaired with the component separation technique (CST) when insufficient tissue exists to close the defect primarily. Although the utility of CST has been documented in cases of large ventral hernias in adults, its application to congenital and acquired defects in pediatric patients has been largely unreported. This study is a retrospective case series discussing the success of CST at a large pediatric hospital. METHODS: Seven patients with massive abdominal wall defects, including ventral hernia and omphalocele, repaired with CST at a pediatric hospital were identified as candidates...
November 2016: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28740773/botulinum-toxin-a-as-an-adjunct-to-abdominal-wall-reconstruction-for-incisional-hernia
#17
Sinor Soltanizadeh, Frederik Helgstrand, Lars N Jorgensen
BACKGROUND: Repair of large incisional hernias remains a surgical and costly challenge. Temporary paralysis of the lateral abdominal wall muscles with topical administration of botulinum toxin A (BTA) is a new therapeutic concept, which may obviate the need for component separation technique (CST) for repair of large incisional hernias. Current literature on the administration of BTA as adjunct to surgical repair of abdominal incisional hernias was investigated. METHODS: The electronic databases PubMed and Embase were searched for eligible studies...
June 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28738237/a-case-report-of-unexpected-pathology-within-an-incarcerated-ventral-hernia
#18
Erica D Kane, Katharine R Bittner, Michelle Bennett, John R Romanelli, Neal E Seymour, Jacqueline J Wu
INTRODUCTION: Incidence of hernial appendicitis is 0.008%, most frequently within inguinal and femoral hernias. Up to 2.5% of appendectomy patients are found to have Crohn's disease. Elucidating the etiology of inflammation is essential for directing management. PRESENTATION OF CASE: A 51-year-old female with achondroplastic dwarfism, multiple cesarean sections, and subsequent massive incisional hernia, presented with ruptured appendicitis within her incarcerated hernia...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28726148/first-human-use-of-hybrid-synthetic-biologic-mesh-in-ventral-hernia-repair-a-multicenter-trial
#19
James G Bittner, Kevin El-Hayek, Andrew T Strong, Melissa Phillips LaPinska, Jin S Yoo, Eric M Pauli, Matthew Kroh
BACKGROUND: Mesh options for reinforcement of ventral/incisional hernia (VIH) repair include synthetic or biologic materials. While each material has known advantages and disadvantages, little is understood about outcomes when these materials are used in combination. This multicenter study reports on the first human use of a novel synthetic/biologic hybrid mesh (Zenapro(®) Hybrid Hernia Repair Device) for VIH repair. METHODS: This prospective, multicenter post-market clinical trial enrolled consecutive adults who underwent elective VIH repair with hybrid mesh placed in the intraperitoneal or retromuscular/preperitoneal position...
July 19, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28722486/neurotoxic-effects-of-subchronic-intratracheal-mn-nanoparticle-exposure-alone-and-in-combination-with-other-welding-fume-metals-in-rats
#20
Zsuzsanna Máté, Edina Horváth, András Papp, Krisztina Kovács, Etelka Tombácz, Dániel Nesztor, Tamás Szabó, Andrea Szabó, Edit Paulik
Manganese (Mn) is a toxic heavy metal exposing workers in various occupational settings and causing, among others, nervous system damage. Metal fumes of welding, a typical source of Mn exposure, contain a complex mixture of metal oxides partly in nanoparticle form. As toxic effects of complex substances cannot be sufficiently understood by examining its components separately, general toxicity and functional neurotoxicity of a main pathogenic welding fume metal, Mn, was examined alone and combined with iron (Fe) and chromium (Cr), also frequently found in fumes...
July 19, 2017: Inhalation Toxicology
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