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https://www.readbyqxmd.com/read/27924390/technical-standardization-of-laparoscopic-repair-of-morgagni-diaphragmatic-hernia-in-children-results-of-a-multicentric-survey-on-43-patients
#1
Ciro Esposito, Maria Escolino, Francois Varlet, Amulya Saxena, Sabine Irtan, Paul Philippe, Alessandro Settimi, Mariapina Cerulo, Holger Till, Francois Becmeur, George W Holcomb
BACKGROUND: This study aimed to standardize the surgical correction technique of congenital Morgagni diaphragmatic hernia (CMDH), analyzing the results of an international multicentric survey. METHODS: The medical records of 43 patients (29 boys, 14 girls) who underwent laparoscopic repair of CMDH in 8 pediatric surgery units in a 5-year period were retrospectively reviewed. Their average age was 3.3 years. Ten patients (23.2%) presented associated malformations: 9 Down syndrome (20...
December 6, 2016: Surgical Endoscopy
https://www.readbyqxmd.com/read/27920698/a-case-of-en-bloc-excision-of-a-chest-wall-leiomyosarcoma-and-closure-of-the-defect-with-non-cross-linked-collagen-matrix-egis-%C3%A2
#2
Marco Rastrelli, Saveria Tropea, Romina Spina, Alessandra Costa, Roberto Stramare, Simone Mocellin, Maria Giuseppina Bonavina, Carlo Riccardo Rossi
Sarcomas arising from the chest wall account for less than 20% of all soft tissue sarcomas, and at this site, primitive tumors are the most frequent to occur. Leiomyosarcoma is a malignant smooth muscle tumor and the best outcomes are achieved with wide surgical excision. Although advancements have been made in treatment protocols, leiomyosarcoma remains one of the more difficult soft tissue sarcoma to treat. Currently, general local control is obtained with surgical treatment with wide negative margins. We describe the case of a 50-year-old man who underwent a chest wall resection involving a wide portion of the pectoralis major and minor muscle, the serratus and part of the second, third and fourth ribs of the left side...
September 2016: Case Reports in Oncology
https://www.readbyqxmd.com/read/27884409/percutaneous-perventricular-device-closure-of-ventricular-septal-defect-from-incision-to-pinhole
#3
Changping Gan, Ling Peng, Zhonglei Liang, Haibo Song, Jiahuang Yang, Weiqiang Ruan, Shuhua Luo, Ke Lin
BACKGROUND: As an alternative to open surgical repair, perventricular device closure provides minimally invasive treatment for doubly committed subarterial ventricular septal defects. However, unlike percutaneous transcatheter access, mini-thoracotomy is still needed. This report describes the percutaneous perventricular device closure technique and its short-term results for this type of heart defect. METHODS: Sixteen patients who had isolated doubly committed subarterial ventricular septal defects underwent percutaneous perventricular device closure...
November 21, 2016: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/27884340/use-of-an-experimental-model-to-evaluate-infection-resistance-of-meshes-in-abdominal-wall-surgery
#4
Ramón Pérez-Tanoira, C Lévano-Linares, Á Celdrán-Uriarte, M C Isea-Peña, M Sánchez De Molina, C García-Vasquez, J Esteban-Moreno
BACKGROUND: Staphylococcal species are the most common organisms causing prosthetic mesh infections, however, infections due to rapidly growing mycobacteria are increasing. This study evaluates the resistance of biomaterial for abdominal wall prostheses against the development of postoperative infection in a rat model. MATERIAL AND METHODS: In 75 rats, we intramuscularly implanted three different types of prostheses: (1) low-density polypropylene monofilament mesh (PMM), (2) high-density PMM, and (3) a composite prosthesis composed of low-density PMM and a nonporous hydrophilic film...
December 2016: Journal of Surgical Research
https://www.readbyqxmd.com/read/27884322/vac-instillation-therapy-in-abdominal-mesh-exposure-a-novel-indication
#5
Angela Garcia-Ruano, Esther Deleyto, Sebastian Garcia-Fernandez
BACKGROUND: Defects of the abdominal wall pose a problem for general surgeons that negatively affects patient prognosis. In cases of abdominal wall wound dehiscence and exposed abdominal mesh, conservative treatment has not been proven effective to date. We aimed to study patient outcomes in cases of abdominal wall wound dehiscence with mesh exposure treated with vacuum-assisted closure system with intermittent instillation (VAC-instillation) as a temporary cover to achieve wound closure...
December 2016: Journal of Surgical Research
https://www.readbyqxmd.com/read/27882474/effects-of-cck-8-and-cystathionine-%C3%AE-lyase-hydrogen-sulfide-system-on-acute-lung-injury-in-rats
#6
Fengjun Tian, Yiling Ling, Yuqin Chen, Zhiyong Wang
Acute lung injury (ALI) is mainly characterized by diffusive injuries to lung epithelium and increased permeability of alveolar-capillary membranes caused by various factors, which leads to pulmonary edema and pulmonary closure. Lipopolysaccharide (LPS), which is the main component of the cell wall of gram-negative bacteria, is one of the most important factors causing pulmonary infection and ALI. More and more reports have indicated that hydrogen sulfide (H2S) is closely correlated with ALI and has anti-inflammation function, while the specific mechanism needs further investigation...
November 24, 2016: Inflammation
https://www.readbyqxmd.com/read/27871678/direct-numerical-simulation-of-expiratory-crackles-relationship-between-airway-closure-dynamics-and-acoustic-fluctuations
#7
Satoshi Ii, Shigeo Wada
This paper investigates the relationship between airway closure dynamics and acoustic fluctuations in expiratory crackles using direct numerical simulation. A unified mathematical model is proposed to deal with flow in an airway, elastic deformation of the airway wall, surface tension driven motion of the liquid film that lines the airway, and their acoustic fluctuations because of material compressibility. Airway closure is induced by increasing the surrounding pressure, then the source of the pressure fluctuations is measured over time...
November 11, 2016: Journal of Biomechanics
https://www.readbyqxmd.com/read/27869054/percutaneous-closure-of-an-aortopulmonary-window-using-amplatzer-duct-occluder-ii-additional-sizes-the-first-reported-case
#8
Roland Fiszer, Karol Zbroński, Małgorzata Szkutnik
To date, there are no reported cases of the Amplatzer Duct Occluder II: Additional Sizes' use in percutaneous closure of an aortopulmonary window. We report a case of percutaneous closure of an aortopulmonary window in a 4.5-month-old, 6 kg child. Owing to the patient's low weight, high risk of damage to the pulmonary valve, as well as the possibility of aortic and pulmonary artery obstruction, classic implants were deemed unsuitable and a decision was made to use the Amplatzer Duct Occluder II: Additional Sizes...
November 21, 2016: Cardiology in the Young
https://www.readbyqxmd.com/read/27862250/prenatal-myelomeningocele-repair-do-bladders-better
#9
Maya Horst, Luca Mazzone, Thomas Schraner, Christine Bodmer, Ueli Möhrlen, Martin Meuli, Rita Gobet
AIMS: Prenatal myelomeningocele (MMC) repair has been proven to significantly reduce the need for hydrocephalus shunting and improve lower-extremity motor outcomes. The aim of this study was to evaluate the effect of prenatal MMC repair on the urological outcome. METHODS: All patients who underwent fetal MMC repair at our institution are followed prospectively. Assessments include medical history, renal and bladder ultrasound, voiding cystourethrogram and urodynamic study, need for clean intermittent catheterization (CIC) and anticholinergics, and the occurrence of urinary tract infections (UTI)...
November 15, 2016: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/27862058/translation-of-first-north-american-50-and-70-cc-total-artificial-heart-virtual-and-clinical-implantations-utility-of-3d-computed-tomography-to-test-fit-devices
#10
Alice S Ferng, Isabel Oliva, Clinton Jokerst, Ryan Avery, Alana M Connell, Phat L Tran, Richard G Smith, Zain Khalpey
Since the creation of SynCardia's 50 cc Total Artificial Hearts (TAHs), patients with irreversible biventricular failure now have two sizing options. Herein, a case series of three patients who have undergone successful 50 and 70 cc TAH implantation with complete closure of the chest cavity utilizing preoperative "virtual implantation" of different sized devices for surgical planning are presented. Computed tomography (CT) images were used for preoperative planning prior to TAH implantation. Three-dimensional (3D) reconstructions of preoperative chest CT images were generated and both 50 and 70 cc TAHs were virtually implanted into patients' thoracic cavities...
November 10, 2016: Artificial Organs
https://www.readbyqxmd.com/read/27857934/spinal-extradural-arachnoid-cyst
#11
Joon Bum Woo, Dong Wuk Son, Kyung Taek Kang, Jun Seok Lee, Geun Seong Song, Soon Ki Sung, Sang Weon Lee
A spinal extradural arachnoid cyst (SEAC) results from a rare small defect of the dura matter that leads to cerebrospinal fluid accumulation and communication defects between the cyst and the subarachnoid space. There is consensus for the treatment of the dural defect, but not for the treatment of the cyst. Some advocate a total resection of the cysts and repair of the communication site to prevent the recurrence of a SEAC, while others recommended more conservative therapy. Here we report the outcomes of selective laminectomy and closure of the dural defect for a 72-year-old and a 33-year-old woman...
October 2016: Korean Journal of Neurotrauma
https://www.readbyqxmd.com/read/27854071/staged-laparotomies-based-on-the-damage-control-principle-to-treat-hemodynamically-unstable-grade-iv-blunt-hepatic-injury-in-an-eight-year-old-girl
#12
Takashi Kobayashi, Masayuki Kubota, Yuhki Arai, Toshiyuki Ohyama, Naoki Yokota, Kohei Miura, Hirosuke Ishikawa, Daiki Soma, Kazuyasu Takizawa, Jun Sakata, Masayuki Nagahashi, Hitoshi Kameyama, Toshifumi Wakai
BACKGROUND: Severe blunt hepatic injury is a major cause of morbidity and mortality in pediatric patients. Damage control (DC) surgery has been reported to be useful in severely compromised children with hepatic injury. We applied such a technique in the treatment of a case of hemodynamically unstable grade IV blunt hepatic injury in an eight-year-old girl. This case is the first to use multimodal approaches including perihepatic packing, temporary closure of the abdominal wall with a plastic sheet, transarterial embolization (TAE), and planned delayed anatomical hepatic resection in a child...
December 2016: Surgical Case Reports
https://www.readbyqxmd.com/read/27848970/polarization-curling-and-flux-closures-in-multiferroic-tunnel-junctions
#13
Jonathan J P Peters, Geanina Apachitei, Richard Beanland, Marin Alexe, Ana M Sanchez
Formation of domain walls in ferroelectrics is not energetically favourable in low-dimensional systems. Instead, vortex-type structures are formed that are driven by depolarization fields occurring in such systems. Consequently, polarization vortices have only been experimentally found in systems in which these fields are deliberately maximized, that is, in films between insulating layers. As such configurations are devoid of screening charges provided by metal electrodes, commonly used in electronic devices, it is wise to investigate if curling polarization structures are innate to ferroelectricity or induced by the absence of electrodes...
November 16, 2016: Nature Communications
https://www.readbyqxmd.com/read/27815881/image-based-analysis-of-phagocytosis-measuring-engulfment-and-internalization
#14
Nicholas D Condon, Adam A Wall, Jeremy C Yeo, Nicholas A Hamilton, Jennifer L Stow
The process of phagocytosis is crucial for fighting infection in innate immunity, for maintaining homeostasis through clearing cell debris, and for tissue remodeling in development. Here we describe two semi-automated image-based assays for the quantitative characterization of the early stages of phagocytosis and pathogen entry. A feature of these assays is the ability to detect and assess molecules or agents that subtly affect the stages both before and after cup closure or internalization.
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27815740/single-site-laparoscopic-percutaneous-extraperitoneal-closure-of-the-internal-ring-using-an-epidural-and-spinal-needle-excellent-results-in-1464-children-with-inguinal-hernia-hydrocele
#15
Furan Wang, Hongji Zhong, Yi Chen, Junfeng Zhao, Yan Li, Junxian Chen, Sheng Dong
BACKGROUND: Laparoscopic percutaneous extraperitoneal closure (LPEC) of the internal ring is a well-developed procedure for pediatric inguinal hernia and hydrocele. To reduce the skin incisions and improve the cosmesis, single-site LPEC (SLPEC) has been developed with numerous techniques and instruments. In this study, we described our modifications of SLPEC using an epidural and spinal needle in a large pediatric population. METHODS: From February 2013 to February 2016, 1464 pediatric patients who underwent SLPEC in our hospital were retrospectively reviewed...
November 4, 2016: Surgical Endoscopy
https://www.readbyqxmd.com/read/27812786/the-functional-role-of-the-pharyngeal-plexus-in-vocal-cord-innervation-in-humans
#16
Mehmet Uludag, Nurcihan Aygun, Adnan Isgor
Classical understanding of the function of the pharyngeal plexus in humans is that it relies on both motor branches for innervation of the majority of pharyngeal muscles and sensory branches for the pharyngeal wall sensation. To date there has been no reported data on the role of the pharyngeal plexus in vocal cord innervation. The aim of this study is to evaluate whether or not the plexus pharyngeus contributes to the innervation of the vocal cords. One hundred twenty-five sides from 79 patients (59 female, 20 male) undergoing thyroid surgery with intraoperative neuromonitoring were prospectively evaluated...
November 3, 2016: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/27810091/primary-fascial-closure-with-biologic-mesh-reinforcement-results-in-lesser-complication-and-recurrence-rates-than-bridged-biologic-mesh-repair-for-abdominal-wall-reconstruction-a-propensity-score-analysis
#17
Salvatore Giordano, Patrick B Garvey, Donald P Baumann, Jun Liu, Charles E Butler
BACKGROUND: Previous studies suggest that bridged mesh repair for abdominal wall reconstruction may result in worse outcomes than mesh-reinforced, primary fascial closure, particularly when acellular dermal matrix is used. We compared our outcomes of bridged versus reinforced repair using ADM in abdominal wall reconstruction procedures. METHODS: This retrospective study included 535 consecutive patients at our cancer center who underwent abdominal wall reconstruction either for an incisional hernia or for abdominal wall defects left after excision of malignancies involving the abdominal wall with underlay mesh...
October 31, 2016: Surgery
https://www.readbyqxmd.com/read/27805884/root-canal-filling-after-revascularization-revitalization
#18
Hugo Plascencia, Álvaro Cruz, Mariana Díaz, Ana Laura Jiménez, Rodrigo Solís, Cesar Bernal
INTRODUCTION: Revascularization/revitalization therapy is considered an alternative procedure for management of teeth with an immature apex and necrotic pulp, mainly when root development is interrupted in the early phases of formation. However, this clinical treatment protocol should be considered a permanent procedure? METHOD: A maxillary central incisor with a previous and successful RR treatment was intentionally filled with a biocompatible material with the periapical tissues due to the patient's lack of adherence to the follow-up protocol...
2016: Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/27797485/nanoscale-origins-of-ferroelastic-domain-wall-mobility-in-ferroelectric-multilayers
#19
Hsin-Hui Huang, Zijian Hong, Huolin L Xin, Dong Su, Long-Qing Chen, Guanzhong Huang, Paul R Munroe, Nagarajan Valanoor
The nanoscale origins of ferroelastic domain wall motion in ferroelectric multilayer thin films that lead to giant electromechanical responses are investigated. We present direct evidence for complex underpinning factors that result in ferroelastic domain wall mobility using a combination of atomic-level aberration corrected scanning transmission electron microscopy and phase-field simulations in model epitaxial (001) tetragonal (T) PbZrxTi1-xO3 (PZT)/rhombohedral (R) PbZrxTi1-xO3 (PZT) bilayer heterostructures...
October 31, 2016: ACS Nano
https://www.readbyqxmd.com/read/27790589/the-soft-palate-friendly-speech-bulb-for-velopharyngeal-insufficiency
#20
Sukhdeep Singh Kahlon, Monaliza Kahlon, Shilpa Gupta, Parvinder Singh Dhingra
Velopharyngeal insufficiency is an anatomic defect of the soft palate making palatopharyngeal sphincter incomplete. It is an important concern to address in patients with bilateral cleft lip and palate. Speech aid prosthesis or speech bulbs are best choice in cases where surgically repaired soft palate is too short to contact pharyngeal walls during function but these prosthesis have been associated with inadequate marginal closure, ulcerations and patient discomfort. Here is a case report of untreated bilateral cleft lip and palate associated with palatal insufficiency treated by means of palate friendly innovative speech bulb...
September 2016: Journal of Clinical and Diagnostic Research: JCDR
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