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https://www.readbyqxmd.com/read/28809626/-structural-damage-to-the-hamstring-graft-due-to-interaction-with-fixation-material-and-its-effect-on-biomechanical-properties-of-acl-reconstruction
#1
J Kautzner, M Držík, M Handl, C Povýšil, P Kos, T Trč, V Havlas
PURPOSE OF THE STUDY Hamstring grafts are commonly used for ACL reconstruction. The purpose of our study is to determine the effects of the suspension fixation compared to graft cross-pinning transfixation, and the effect(s) of structural damage during the preparation of the graft on biomechanical properties of the graft. MATERIAL AND METHODS The design of the study is a cadaveric biomechanical laboratory study. 38 fresh-frozen human hamstring specimens from 19 cadaveric donors were used. The grafts were tested for their loading properties...
2017: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
https://www.readbyqxmd.com/read/28802422/management-of-neglected-acl-avulsion-fractures-a-case-series-and-systematic-review
#2
D K Chouhan, M S Dhillon, R John, A Khurana
INTRODUCTION: Neglected tibial eminence avulsion fractures of the anterior cruciate ligament (ACL) are uncommonly seen in modern times, but are fairly common due to a missed diagnosis/mismanagement in developing countries. OBJECTIVES: To determine the outcomes after open reduction and internal fixation of late presenting ACL avulsion fractures, and to review the literature for similar cases, in an attempt to evaluate the ideal surgical management in this unique scenario...
August 2017: Injury
https://www.readbyqxmd.com/read/28801741/scleral-suture-fixation-technique-for-dislocated-plate-haptic-toric-iol
#3
Remzi Karadag, Bahar Gunes, Veysel Aykut, Halit Oguz, Ahmet Demirok
Purpose We describe a scleral suture fixation technique for dislocated plate haptic toric intraocular lens (IOL) implantation. Materials and methods A double-armed 10-0 straight polypropylene suture was passed into the eye from the sclera (2 mm away from the limbus). A suture needle was passed through the hole on the corner of the IOL and pulled out from the paracentesis with a 27-gauge needle. Afterward, the suture needle was reinserted from the same paracentesis and then removed from the eye with the help of a 27-gauge needle entering the eye from a nearby point to the first scleral entrance...
August 11, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28799557/the-application-of-an-acellular-dermal-allograft-alloderm-for-patients-with-insufficient-conjunctiva-during-evisceration-and-implantation-surgery
#4
S J Park, Y Kim, S Y Jang
PurposeTo describe the use of an acellular dermal allograft (AlloDerm) for patients with insufficient conjunctiva during evisceration and implantation surgery.Patients and methodsThe medical records of six patients with insufficient conjunctiva during evisceration surgery were reviewed. It was not possible to close the Tenon's capsule and conjunctiva without wound tension in these patients, so AlloDerm was placed over the sclera, and the edges were sutured with adjacent conjunctiva without tension. The size of the bare AlloDerm graft was measured in all patients...
August 11, 2017: Eye
https://www.readbyqxmd.com/read/28797974/a-portable-training-model-for-deep-bypass-surgery
#5
Jiwook Ryu, Seok Keun Choi, Yeongu Chung, Sung Ho Lee, Bi-O Jeong
INTRODUCTION: Deep bypass surgery remains a challenging operative procedure. For novice trainees, there is a high barrier to improving the microsurgical skills needed for this procedure because of the relatively low number of cases and the high cost of microsurgical instruments. Here, the authors introduce a training model that includes highly accessible devices and does not require a microscope. MATERIALS AND METHODS: The surgical environment consisted of two 15...
August 7, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28777410/a-mechanism-of-banding-failure-in-excessively-dilated-fistulas
#6
Alexandros Mallios, John Lucas Iii, William Jennings
INTRODUCTION: We present an unreported cause of banding failure for flow restriction in dramatically enlarged arteriovenous fistulas (AVFs). CASE SERIES: Four patients operated in different institutions by two different surgeons experienced band failure within 6 months of the initially successful operation for AVF flow restriction. Prior to the initial banding procedure, each patient's AVF was noted to have major dilatation of the post-anastomotic segment (>2 cm)...
August 2, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/28764239/single-layered-versus-double-layered-intestinal-anastomosis-a-randomized-controlled-trial
#7
Sibabrata Kar, Vandana Mohapatra, Surendra Singh, Pratap Kumar Rath, Tapas Ranjan Behera
INTRODUCTION: Gastrointestinal anastomosis is one of the most common procedures being performed in oesophagogastric, hepatobiliary, bariatric, small bowel and colorectal surgery; however, the safety and efficacy of single layer or double layer anastomotic technique is still unclear. AIM: To assess and compare the efficacy, safety and cost effectiveness of single layered versus double layered intestinal anastomosis. MATERIALS AND METHODS: This prospective, double-blind, randomized controlled comparative study comprised of patients who underwent intestinal resection and anastomosis...
June 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28762052/in-vitro-mechanical-property-evaluation-of-chitosan-based-hydrogels-intended-for-vascular-graft-development
#8
Audrey Aussel, Alexandra Montembault, Sébastien Malaise, Marie Pierre Foulc, William Faure, Sandro Cornet, Rachida Aid, Marc Chaouat, Thierry Delair, Didier Letourneur, Laurent David, Laurence Bordenave
Vascular grafts made of synthetic polymers perform poorly in cardiac and peripheral bypass applications. In these applications, chitosan-based materials can be produced and shaped to provide a novel scaffold for vascular tissue engineering. The goal of this study was to evaluate in vitro the mechanical properties of a novel chitosan formulation to assess its potential for this scaffold. Two chitosan-based hydrogel tubes were produced by modulating chitosan concentration. Based on the standard ISO 7198:1998, the hydrogel tubes were characterized in vitro in terms of suture retention strength, tensile strength, compliance, and burst pressure...
July 31, 2017: Journal of Cardiovascular Translational Research
https://www.readbyqxmd.com/read/28761272/efficacy-of-murva-sansevieria-roxburghiana-schult-and-schult-f-as-a-suture-material-in-closure-of-incisions-in-third-molar-surgeries-a-prospective-study
#9
Pravin Lambade, Ashutosh Thorat
INTRODUCTION: Adequate closure of the surgical wound is one of the most important aspects of surgery; improper suturing techniques or improper suturing materials sometimes compromise the success of surgery. Many synthetic materials have replaced the natural materials, which were once used for suturing in the ancient era, and Murva is one of them. There are references of Murva (Sansevieria roxburghiana Schult. and Schult.f.) at various contexts of "Sushruta Samhita" where it has been used as a suture material...
January 2017: National Journal of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28757691/cut-and-place-technique-of-pterygium-excision-with-autograft-without-using-sutures-or-glue-our-experience
#10
Jagdish Bhatia, Mathew Varghese, Bindu Narayanadas, Arti Bhatia
BACKGROUND: Conjunctival sutures used in pterygium surgery are not only time-consuming process but also may lead to local complications such as discomfort, scarring, granuloma, or infection. Plasma-derived products such as fibrin glue may produce possible hypersensitivity reactions whereas the risk of viral transmission remains theoretically possible. We describe a simple method of achieving conjunctival autograft adherence during pterygium surgery avoiding potential complications associated with the use of fibrin glue or sutures...
May 2017: Oman Journal of Ophthalmology
https://www.readbyqxmd.com/read/28751248/reshapable-polymeric-hydrogel-for-controlled-soft-tissue-expansion-in-vitro-and-in-vivo-evaluation
#11
John Garner, Darrel Davidson, George J Eckert, Clark T Barco, Haesun Park, Kinam Park
Tissue expansion is the process by which extra skin is generated using a device that applies pressure from underneath the skin. Over the course of weeks to months, stretching by this pressure creates a flap of extra tissue that can be used to cover a defect area or enclose a permanent implant. Conventional tissue expanders require a silicone shell inflated either by external injections of saline solution or air, or by internal osmotic pressure generated by a hydrophilic polymer. In this study, a shell-free tissue expander comprised only of a chemically cross-linked biocompatible polymeric hydrogel is developed...
July 25, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28750601/development-and-characterization-of-antibacterial-braided-polyamide-suture-coated-with-chitosan-citric-acid-biopolymer
#12
Faten Debbabi, Sondes Gargoubi, Mohamed Adnene Hadj Ayed, Saber Ben Abdessalem
Braided polyamide sutures are frequently used in dermatologic surgery for wound closure. However, braided sutures promote bacteria proliferation. In order to prevent wound complications due to this effect, antibacterial sutures should be used. The main objective of this study is the development of new non-absorbable antibacterial polyamide braided suture. This paper suggests new coating process that leads to obtain suture uniformly covered by antibacterial film enclosing chitosan, which is known for its antibacterial benefit...
January 1, 2017: Journal of Biomaterials Applications
https://www.readbyqxmd.com/read/28747938/computed-tomography-angiography-for-imaging-results-of-neochordal-mitral-valve-repair
#13
Radosław Zwoliński, Anna Marcinkiewicz, Konrad Szymczyk, Jarosław Drożdż, Ryszard Jaszewski, Bogdan Jegier
INTRODUCTION: Degenerative mitral regurgitation is currently the most frequent indication for mitral valve repair. AIM: To visualize and assess the mid-term results of mitral valve repair with neochordae implantation, using computed tomography angiography (CTA) imaging. MATERIAL AND METHODS: The CTA with ECG gating and without modulation was applied in 10 patients to assess the results of a mitral valve sparing procedure. The results of 3 patients are presented...
June 2017: Kardiochirurgia i Torakochirurgia Polska, Polish Journal of Cardio-Thoracic Surgery
https://www.readbyqxmd.com/read/28747617/prolonged-infection-at-the-tibial-bone-tunnel-after-anterior-cruciate-ligament-reconstruction
#14
Hironori Numazaki, Hideo Kobayashi, Katsuhiro Yoshida, Michiyuki Hakozaki, Shin-Ichi Konno
A 24-year-old man with severe atopic dermatitis underwent anterior cruciate ligament (ACL) reconstruction of the right knee seven years earlier but developed a surgical site infection. The infection did not heal after removal of the metal implants, and a fistula eventually developed. This condition was left untreated for six years before he was referred to our hospital. Magnetic resonance imaging showed fluid in the tibial bone tunnel and extensive bone marrow edema surrounding the bone tunnel. Based on these findings, abscess formation within the tibial bone tunnel and osteomyelitis spreading to the proximal tibia were suspected...
July 26, 2017: Fukushima Journal of Medical Science
https://www.readbyqxmd.com/read/28739521/effective-intraluminal-shunt-in-carotid-endarterectomy-for-carotid-artery-near-occlusion-a-technical-report
#15
Yoichiro Kawamura, Daisuke Maruyama, Yojiro Akagi, Koji Iihara
BACKGROUND: Carotid artery near occlusion is a critical degree of stenosis whereby blood flow is decreased and the distal cervical and intracranial internal carotid arteries (ICAs) are prone to collapse. Considering the diminished perfusion and the risk of progression to total occlusion and periocclusive embolism, we performed carotid endarterectomy (CEA) for carotid artery near occlusion. METHODS: Accurate evaluation of tandem stenosis or patency of the post-stenotic ICA in carotid artery near occlusion is often difficult preoperatively...
July 21, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28737307/absorbable-polydioxanone-pds-suture-provides-fewer-wound-complications-than-polyester-ethibond-suture-in-acute-tendo-achilles-rupture-repair
#16
M N Baig, I Yousaf, J G Galbraith, R Din
We prospectively studied acute Achilles tendon rupture in patients over a two 2-year period and reviewed the causes, outcome and complications. There were 53 patients included with acute Achilles rupture with minimum follow up period of 6 months. We compared the outcomes including infection rate and Boyden score between the two groups repaired by Polydioxanone and Polyester respectively. All infected cases had a suture repair using the polyester suture. The difference in the infection rate was highly significant between the 2 groups (p=0...
May 10, 2017: Irish Medical Journal
https://www.readbyqxmd.com/read/28730260/longer-survival-of-a-patient-with-glioblastoma-resected-with-5-aminolevulinic-acid-5-ala-guided-surgery-and-foreign-body-reaction-to-polyglycolic-acid-pga-suture
#17
Raluca Maria Munteanu, Lucian Eva, Bogdan IonuŢ DobrovăŢ, Alin Constantin Iordache, Liviu Pendefunda, Nicoleta Dumitrescu, Doina Mihăilă, Cristina Maria Gavrilescu, Elena Şapte, Ion Poeată
In recent years, there is a growing evidence that using 5-aminolevulinic acid (5-ALA)-guided resection of a cerebral glioblastoma, associated with chemoradiotherapy determine a prolonged survival of these patients, even though this period do not exceed 15 months. 5-ALA is a natural biochemical precursor of heme that is metabolized to fluorescent porphyrins, particularly protoporphyrin IX (PPIX) and no foreign reaction were noted until now. However, foreign body reaction developing in neurosurgery is documented in a few number of cases to suture material, surgical hemostatic material, or surgical glove starch, but up to now we could not find any article about granulomatous inflammation to polyglycolic acid (PGA) suture after brain tumor resection...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28725422/lesson-learnt-from-a-migrated-drain-a-case-report
#18
Veerabhadra Radhakrishna, Sharad M Tanga
INTRODUCTION: Though surgical drainage is used as a safety measure, it's not without complications. Migration of various drains has been described, but very little literature refers to the migration of peritoneal drain. PRESENTATION OF CASE: A 55-year male underwent anterior Gastro-Jejunostomy for inoperable metastatic carcinoma of the Gastric Pylorus. We found the peritoneal drain missing on the third post-operative day. On further evaluation, we found it to have migrated into the peritoneal cavity...
August 2017: Annals of Medicine and Surgery
https://www.readbyqxmd.com/read/28714329/synthetic-sutures-clinical-evaluation-and-future-developments
#19
Roxanna E Abhari, Joana A Martins, Hayley L Morris, Pierre-Alexis Mouthuy, Andrew Carr
Today's sutures are the result of a 4000-year innovation process with regard to their materials and manufacturing techniques, yet little has been done to enhance the therapeutic value of the suture itself. In this review, we explore the historical development, regulatory database and clinical literature of sutures to gain a fuller picture of suture advances to date. First, we examine historical shifts in suture manufacturing companies and review suture regulatory databases to understand the forces driving suture development...
January 1, 2017: Journal of Biomaterials Applications
https://www.readbyqxmd.com/read/28714284/egg-albumen-as-a-fast-and-strong-medical-adhesive-glue
#20
Kaige Xu, Yuqing Liu, Shousan Bu, Tianyi Wu, Qiang Chang, Gurankit Singh, Xiaojian Cao, Chuang Deng, Bingyun Li, Gaoxing Luo, Malcolm Xing
Sutures penetrate tissues to close wounds. This process leads to inflammatory responses, prolongs healing time, and increases operation complexity. It becomes even worse when sutures are applied to stress-sensitive and fragile tissues. By bonding tissues via forming covalent bonds, some medical adhesives are not convenient to be used by surgeons and have side effects to the tissues. Here egg albumen adhesive (EAA) is reported with ultrahigh adhesive strength to bond various types of materials and can be easily used without any chemical and physical modifications...
July 17, 2017: Advanced Healthcare Materials
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