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https://www.readbyqxmd.com/read/29051880/an-exceptional-case-of-suture-granuloma-30-years-following-an-open-repair-of-achilles-tendon-rupture-a-case-report
#1
Ömer Naci Ergin, Mehmet Demirel, Emre Özmen
INTRODUCTION: Rupture of the Achilles' tendon is a common injury occurring particularly in middle-aged men due to sports trauma. Operative treatment is preferred generally due to lower risk of re-rupture. Possible complications of the operation include suture granulomas. Suture granulomas might represent a foreign body reaction, which itself is the end-stage response of the inflammatory wound-healing process to biomaterials. It may occur with both absorbable and non-absorbable suture materials such as silk in our case...
May 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/29049819/treatment-of-a-degenerated-sutureless-sorin-perceval%C3%A2-valve-using-an-edwards-sapien-3
#2
Norman Mangner, David Holzhey, Martin Misfeld, Axel Linke
Valve-in-valve implantation is an alternative to reoperation for patients with degenerated bioprostheses. This case report presents a 75-year-old woman presenting with worsening dyspnoea according New York Heart Association (NYHA) Class III after she had received a Sorin Perceval® S sutureless valve due to severe aortic valve stenosis 5 years ago. Echocardiography revealed a degenerated Perceval valve with severe valvular aortic regurgitation and stenosis. After exclusion of acute infective endocarditis, an Edwards SAPIEN 3 was implanted leading to an immediate haemodynamic improvement...
October 10, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29049705/follow-up-of-a-simple-method-for-aortic-valve-reconstruction-with-fixed-pericardium-in-children
#3
Amir-Reza Hosseinpour, Alejandro Adsuar-Gómez, Antonio González-Calle, Antonio Moruno-Tirado, Francisco García-Angleu, Israel Valverde, Felix Coserria-Sánchez, Begoña Manso-García
In 2013, we published a simple method for aortic valve reconstruction in children using fixed pericardium in this journal. This was not expected to be a durable solution but a temporizing measure in the absence of other solutions, in order to buy time for growth that would allow subsequent prosthetic valve insertion. As such, this was implemented in 3 patients with excellent immediate results, as reported in our original publication. We are now writing to provide longer term information. In 2 cases, a newborn and a 12-year-old boy, the valve calcified heavily at 4 years' follow-up...
July 21, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29049565/a-low-cost-bioprosthetic-semilunar-valve-for-research-disease-modelling-and-surgical-training-applications
#4
Benoit Rosa, Zurab Machaidze, Borami Shin, Sunil Manjila, David W Brown, Christopher W Baird, John E Mayer, Pierre E Dupont
OBJECTIVES: This paper provides detailed instructions for constructing low-cost bioprosthetic semilunar valves for animal research and clinical training. This work fills an important gap between existing simulator training valves and clinical valves by providing fully functioning designs that can be employed in ex vivo and in vivo experiments and can also be modified to model valvular disease. METHODS: Valves are constructed in 4 steps consisting of creating a metal frame, covering it with fabric and attaching a suture ring and leaflets...
August 2, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29049538/3d-printed-mitral-valve-models-affordable-simulation-for-robotic-mitral-valve-repair
#5
Ned Premyodhin, Divneet Mandair, Alice S Ferng, Timothy S Leach, Ryan P Palsma, Mohammad Z Albanna, Zain I Khalpey
OBJECTIVES: 3D printed mitral valve (MV) models that capture the suture response of real tissue may be utilized as surgical training tools. Leveraging clinical imaging modalities, 3D computerized modelling and 3D printing technology to produce affordable models complements currently available virtual simulators and paves the way for patient- and pathology-specific preoperative rehearsal. METHODS: We used polyvinyl alcohol, a dissolvable thermoplastic, to 3D print moulds that were casted with liquid platinum-cure silicone yielding flexible, low-cost MV models capable of simulating valvular tissue...
July 31, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29049149/a-modification-to-the-nasal-septal-chain-suture-which-improves-its-application
#6
Abdullah Durmaz
INTRODUCTION: A novel modification to the nasal septal chain suture which makes its application easier and faster without using any special surgical instrument has been described in this study. The advantage of the modification was evaluated in terms of the suture application time. METHODS: A total of 40 patients with a mean age of 30.1 ± 10.6 (18-58) years were evaluated in 2 groups. A nasal septal chain suture was applied with the previously described technique and the new modification for each group after the patients underwent septoplasty...
October 18, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29040248/retrospective-evaluation-of-surgical-anatomical-repair-of-distal-biceps-brachii-tendon-rupture-using-suture-anchor-fixation
#7
Jarosław Witkowski, Aleksandra Królikowska, Andrzej Czamara, Paweł Reichert
BACKGROUND To date, no consensus has been reached regarding the preferred fixation method to use in the repair of distal biceps brachii tendon rupture. The aim of this study was to clinically and functionally (Mayo Elbow Performance Index, MEPI) assess the upper limb after surgical anatomic reinsertion of the distal biceps brachii tendon with the use of suture anchor fixation method with regard to postoperative time and limb dominance, and to assess postoperative complications. MATERIAL AND METHODS The sample comprised 18 males (age 52...
October 17, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29038043/laparoscopic-excision-of-a-scar-pregnancy-and-isthmocele-repair
#8
Huseyin Kiyak, Lale Susan Wetherilt, Kerem Doga Seckin, Ibrahim Polat, Pınar Kadirogullari, Tolga Karacan
Laparoscopic excision of a scar pregnancy and isthmocele repair with barbed suture Design Step by step explanation of the laparoscopic excision technique of a scar pregnancy and isthmocele repair Setting Cesarean scar pregnancy occurs as a result of attachment of the products of conception to the uterine scar. In the present case, a 34 year old G4 P1 patient with a history of one miscarriage and one ectopic pregnancy was diagnosed with type 2 cesarean scar pregnancy at 7 weeks of gestation. A Dilation & Curretage was performed at the 8th week of gestation to terminate the pregnancy...
October 13, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/29037181/the-move-trial-monocryl%C3%A2-vs-vicryl-rapide%C3%A2-for-skin-repair-in-mediolateral-episiotomies-a-randomized-controlled-trial
#9
Roeland Odijk, Bernadette Hennipman, Melek Rousian, Khadija Madani, Marja Dijksterhuis, Jan Willem de Leeuw, Arjan van Hof
BACKGROUND: Previous studies have shown that complaints after episiotomy repair depend on the method and material used for repair. The objective of our study was to determine which of two frequently used suture materials, Monocryl® (poliglecaprone 25) and Vicryl Rapide™ (polyglactin 910), is superior for intracutaneous closure of the skin in mediolateral episiotomies. METHODS: In a randomized controlled trial performed in a teaching hospital in the Netherlands between 2010 and 2013 250 primiparous women with uncomplicated mediolateral episiotomies were randomly allocated to intracutaneous skin closure with either Monocryl® or Vicryl Rapide™...
October 16, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/29027720/the-effect-of-different-thermal-treatment-on-the-physical-properties-of-pga-pcl-copolymer-suture-material
#10
K A El-Farahaty, M A El-Bakary, N M El-Sayed
Samples of polyglycolic acid PGA/polycaprolactone PCL copolymer absorbable suture materials, which is called Poliglecaprone PGC copolymer suture, were thermally treated by two different processes. The first method is the direct heat exposure, from 20 to 38 °C, in the surrounding medium. Which is an environmental study. The other method is the annealing process at temperatures ranged from 65, 80, 100, 120, and 140 °C, for two different duration periods 60 and 120 min. This is an extensive technical study...
October 13, 2017: Microscopy Research and Technique
https://www.readbyqxmd.com/read/29025637/electrospun-biphasic-tubular-scaffold-with-enhanced-mechanical-properties-for-vascular-tissue-engineering
#11
Abdalla Abdal-Hay, Michal Bartnikowski, Stephen Hamlet, Sašo Ivanovski
Polymer scaffolds produced through an electrospinning process are frequently explored as tissue substitutes for regenerative medicine. Despite offering desirable surface area to volume ratios and tailorable pore sizes, their poor structural mechanical properties limit their applicability in load-bearing regions. In this study, we present a simple strategy to improve the mechanical properties of a vascular graft scaffold. We achieved the formation of biphasic tubular scaffolds by electrospinning polyurethane (PU) onto an airbrushed tube made of polycaprolactone (PCL)...
January 1, 2018: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/29023351/rapid-deployment-aortic-valves-deliver-superior-hemodynamic-performance-in-vitro
#12
Lisong Ai, Harvey Chen, Virginia Lin, Vinayak N Bapat
OBJECTIVE: Clinical studies have demonstrated excellent hemodynamic performance of rapid deployment aortic valves; however, few studies have directly compared the performance of these valves with conventional bioprosthetic valves. Thus, the hemodynamic function of the EDWARDS INTUITY valve (rapid deployment valve) was compared with the Edwards Magna Ease valve in vitro (Edwards Lifesciences Corp, Irvine, CA USA). METHODS: Elastomeric material was used to create an aortic root model that included a left ventricular outflow tract and aortic annulus...
October 10, 2017: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/29022780/primary-urethral-reconstruction-results-in-penile-fracture
#13
R Barros, Mis Silva, V Antonucci, L Schulze, L Koifman, L A Favorito
Objective This study assessed primary urethral reconstruction results in patients with a penile fracture. Materials and methods Between January 2005 and April 2016, patients who underwent primary urethral reconstruction due to penile fracture were called for a follow-up. Epidemiological and clinical presentation data and operative findings were reviewed retrospectively. Partial urethral lesions were primarily treated with interrupted absorbable sutures over urethral catheter. In cases of complete urethral lesion, tension-free end-to-end anastomosis was performed...
September 15, 2017: Annals of the Royal College of Surgeons of England
https://www.readbyqxmd.com/read/29020662/supercritical-carbon-dioxide-decellularised-pericardium-mechanical-and-structural-characterisation-for-applications-in-cardio-thoracic-surgery
#14
Frank R Halfwerk, Jeroen Rouwkema, Jan A Gossen, Jan G Grandjean
INTRODUCTION: Many biomaterials are used in cardio-thoracic surgery with good short-term results. However, calcification, dehiscence, and formation of scar tissue are reported. The aim of this research is to characterise decellularised pericardium after supercritical carbon dioxide (scCO2) processing as an alternative biological material for uses in cardio-thoracic surgery. METHODS: Porcine and bovine pericardium were decellularised using scCO2. Mechanical properties such as tensile strength, elastic modulus, fracture toughness and suture retention strength were determined...
October 3, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/29017515/low-recurrence-rate-of-anchored-conjunctival-rotation-flap-technique-in-pterygium-surgery
#15
Dong Ju Kim, Jimmy K Lee, Roy S Chuck, Choul Yong Park
BACKGROUND: To report the recurrence rate for an anchored conjunctival rotation flap technique in primary pterygium surgery. METHODS: Primary pterygium surgeries performed using anchored conjunctival rotation flap techniques (110 eyes in 110 patients) with a minimum follow-up of 12 months were reviewed. In this technique, a conjunctival flap is rotated to cover the bare sclera and suture-fixated with either 8-0 polyglactin (41 eyes) or 10-0 nylon (69 eyes). The recurrence rate was determined, and the two suture materials utilized were compared...
October 10, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28994804/biodegradable-magnesium-stent-treatment-of-saccular-aneurysms-in-a-rat-model-introduction-of-the-surgical-technique
#16
Edin Nevzati, Jeannine Rey, Daniel Coluccia, Donato D'Alonzo, Basil Grüter, Luca Remonda, Javier Fandino, Serge Marbacher
The steady progess in the armamentarium of techniques available for endovascular treatment of intracranial aneurysms requires affordable and reproducable experimental animal models to test novel embolization materials such as stents and flow diverters. The aim of the present project was to design a safe, fast, and standardized surgical technique for stent assisted embolization of saccular aneurysms in a rat animal model. Saccular aneurysms were created from an arterial graft from the descending aorta.The aneurysms were microsurgically transplanted through end-to-side anastomosis to the infrarenal abdominal aorta of a syngenic male Wistar rat weighing >500 g...
October 1, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28987850/suturing-and-dural-wrapping-for-a-blood-blister-like-aneurysm-on-the-supraclinoid-segment-of-the-ica-due-to-dissection
#17
Yunbao Guo, Jinlu Zhang, Hao Chen, Kan Xu, Jinlu Yu
BACKGROUND: Internal carotid artery (ICA) reconstruction is still the most effective treatment for a blood blister-like aneurysm (BBA) on the supraclinoid segment of the ICA, and clipping after wrapping has the most precise effects. However, the materials used are most often artificial. This study examined the use of autologous dura to replace the artificial materials used for wrapping after suturing a BBA. CASE DESCRIPTION: A 38-year-old man was hospitalized for subarachnoid hemorrhage (SAH)...
October 5, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28970987/all-arthroscopic-suture-fixation-of-patellar-osteochondritis-dissecans
#18
Johannes Barth, Paul Brossard, Achilleas Boutsiadis, Nicolas Tardy, Jean-Claude Panisset, Romain Seil
Osteochondritis dissecans of the knee, despite its cause, is characterized by the impairment of the subchondral bone. Failure of its spontaneous healing makes surgical fixation often necessary. The patella is less affected than other locations in the knee. Its surgical treatment remains a challenge due to the thickness of the lesion and the complex approach of the retropatellar cartilage. Arthroscopy has the theoretical advantage to avoid a possible arthrotomy; however, the retrograde application of fixation materials does not guarantee good fragment compression and may lead to cartilage penetration and damage...
August 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28967248/pinning-down-the-anomalous-light-soaking-effect-toward-high-performance-and-fast-response-perovskite-solar-cells-the-ion-migration-induced-charge-accumulation
#19
Teng Zhang, Sin Hang Cheung, Xiangyue Meng, Lei Zhu, Yang Bai, Carr Hoi Yi Ho, Shuang Xiao, Qingzhong Xue, Shu Kong So, Shihe Yang
The light soaking effect (LSE) is widely known in perovskite solar cells (PVSCs), but its origin is still elusive. In this study, we show that in common with hysteresis, the LSE is owed to the ion migration in PVSCs. Driven by the photovoltage, the mobile ions in the perovskite materials (MA(+)/I(-)) migrate to the selective contacts, forming a boosted P-i-N junction resulting in enhanced charge separation. Besides, the mobile ions (MA(+)) can soften and suture the PCBM/perovskite interface and thus reduce the trap density, in keeping with a higher open-circuit voltage...
October 4, 2017: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/28953084/allergic-or-hypersensitivity-reactions-to-orthopaedic-implants
#20
Timothy T Roberts, Colin M Haines, Richard L Uhl
Allergic or hypersensitivity reactions to orthopaedic implants can pose diagnostic and therapeutic challenges. Although 10% to 15% of the population exhibits cutaneous sensitivity to metals, deep-tissue reactions to metal implants are comparatively rare. Nevertheless, the link between cutaneous sensitivity and clinically relevant deep-tissue reactions is unclear. Most reactions to orthopaedic devices are type IV, or delayed-type hypersensitivity reactions. The most commonly implicated allergens are nickel, cobalt, and chromium; however, reactions to nonmetal compounds, such as polymethyl methacrylate, antibiotic spacers, and suture materials, have also been reported...
October 2017: Journal of the American Academy of Orthopaedic Surgeons
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