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https://www.readbyqxmd.com/read/29232300/three-dimensional-printing-of-life-like-models-for-simulation-and-training-of-minimally-invasive-cardiac-surgery
#1
Toshiyuki Yamada, Motohiko Osako, Tomoya Uchimuro, Ryogen Yoon, Toshiaki Morikawa, Maki Sugimoto, Hisao Suda, Hideyuki Shimizu
OBJECTIVE: As the use of minimally invasive surgery in cardiothoracic surgery increases, so does the need for simulation and training. We developed a heart model for simulation and training of minimally invasive cardiac surgery, particularly minimally invasive mitral valve repair using our new three-dimensional printing system. METHODS: Digital imaging and communication in medicine data from patient computed tomography, three-dimensional computer-aided design, and three-dimensional printing helped create replicas of the heart and thoracic cavity...
December 7, 2017: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/29225898/a-survey-of-current-practices-and-influences-on-the-choice-of-suture-material-pattern-and-size-used-in-commonly-performed-procedures-in-uk-small-animal-veterinary-practice
#2
Elinor Jo Field, Suzanna Hebert, Ed J Friend, Kevin J Parsons
Objectives: A survey of UK veterinarians was conducted to determine factors influencing suture choice and current suture practice for common surgical procedures. Methods: An online survey was designed and the survey was sent to central practice emails obtained from the 2011 Royal College of Veterinary Surgeons (RCVS) practice database. Results: Two hundred and thirty-nine surveys were completed (203 with no additional postgraduate qualifications (NAQ), 16 with RCVS certificates and 19 with diplomas)...
2017: Veterinary Record Open
https://www.readbyqxmd.com/read/29208785/use-of-a-partial-thickness-flap-for-guided-bone-regeneration-in-the-upper-jaw
#3
Gianluca Porcaro, Alberto Busa, Edoardo Bianco, Gianluigi Caccianiga, Marcello Maddalone
INTRODUCTION: Guided bone regeneration (GBR) aims to restore adequate bone volume for the placement of implants in an ideal location. In this article, we analyze different surgical techniques for tissue management during GBR and a modified partial-thickness surgical approach. MATERIALS AND METHODS: In a year's time span, five patients were enrolled in the study: Four women and one man (aged 44-59 years). In four patients, a GBR with simultaneous implant placement was adopted, whereas in another patient, a delayed implant placement was done...
December 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/29205483/mechanical-properties-of-triclosan-sutures
#4
A Jungwirth-Weinberger, F Grubhofer, M A Imam, E Bachmann, S Wirth
To avoid infections and wound healing disorders Triclosan coated sutures have been invented. Little is known of these sutures regarding their tensile properties. Three different Triclosan coated sutures (Vicryl 1 plus, PDS 0 plus, Monocryl 3-0 plus) were tested at several time points over 42 days regarding load to failure, strain and stiffness compared to their non-coated versions (Vicryl 1, PDS 0, Monocryl 3-0). Four different measurement points were made. Suture loops were fixed in a material testing machine over two metal bars which were moved apart creating a stress to the fiber...
December 2, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/29203937/comparison-of-surgical-time-and-complication-rate-of-subcutaneous-and-skin-closure-using-barbed-suture-or-traditional-knotted-suture-in-dogs
#5
Laura K Nutt, Megan L Wilson, Sherisse Sakals
This prospective study evaluated the handling, intraoperative and postoperative complication rates of a barbed knotless suture for closure of subcutaneous tissue and skin in 17 client-owned dogs (group A) following a tibial plateau leveling osteotomy procedure. Clinical characteristics, surgical time, and complication rates were compared to a control group of 17 client-owned dogs (group B) with subcutaneous tissue and skin closure using traditional suture material. Signalment was not significantly different between groups and did not have an effect on complication rates...
December 2017: Canadian Veterinary Journal. la Revue Vétérinaire Canadienne
https://www.readbyqxmd.com/read/29192412/safety-and-efficacy-of-using-advanced-electrosurgical-bipolar-vessel-sealing-during-vaginal-hysterectomy-in-morbidly-obese-patients-a-retrospective-cohort-analysis
#6
Tolga Karacan, Eser Ozyurek, Lale Susan Wetherilt, Huseyin Kiyak, Salman Yilmaz, Erdal Kaya
OBJECTIVES: To assess the safety and efficacy of electrosurgical bipolar vessel sealing during vaginal hysterectomy in morbidly obese patients MATERIAL AND METHODS: A total of 105 morbidly obese patients who underwent vaginal hysterectomy due to benign gynecologic pathologies between January 2010 and April 2017 were included in the study. Patients were divided into two groups according to whether conventional suture ligation technique (n = 64) or electrosurgical bipolar vessel sealing (n = 41) were used during vaginal hysterectomy...
2017: Ginekologia Polska
https://www.readbyqxmd.com/read/29191201/single-versus-double-row-suture-anchor-fixation-for-greater-tuberosity-fractures-a-biomechanical-study
#7
Gernot Seppel, Tim Saier, Frank Martetschläger, Johannes E Plath, Alberto Guevara-Alvarez, Julia Henschel, Martin Winkler, Peter Augat, Andreas B Imhoff, Stefan Buchmann
BACKGROUND: Fractures of the humeral greater tuberosity (GT) are a frequent injury progressively treated with arthroscopic suture anchor repair. Yet, no biomechanical study has been performed comparing fixation strength of arthroscopic single- (SR) vs. double row (DR) fixation. METHODS: Standardized fractures of the greater tuberosity were created in 12 fresh frozen proximal humeri. After random assignation to the SR or DR group the fixed humeri were tested applying cyclic loading to the supraspinatus and infraspinatus tendon...
December 1, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29189910/bacterial-colonisation-of-suture-material-after-routine-neurosurgical-procedures-relevance-for-wound-infection
#8
Bujung Hong, Andreas Winkel, Philipp Ertl, Sascha Nico Stumpp, Kerstin Schwabe, Meike Stiesch, Joachim K Krauss
BACKGROUND: Wound healing impairment is a serious problem in surgical disciplines which may be associated with chronic morbidity, increased cost and patient discomfort. Here we aimed to investigate the relevance of bacterial colonisation on suture material using polymerase chain reaction (PCR) to detect and taxonomically classify bacterial DNA in patients with and without wound healing problems after routine neurosurgical procedures. METHODS: Repeat surgery was performed in 25 patients with wound healing impairment and in 38 patients with well-healed wounds...
November 30, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/29189415/bone-formation-using-cross-linked-chitosan-scaffolds-in-rat-calvarial-defects
#9
Chang-Kai Chen, Nai-Jen Chang, Yung-Tsan Wu, Earl Fu, E-Chin Shen, Chien-Wei Feng, Zhi-Hong Wen
PURPOSE: To investigate the osteoconductive effect of a chitosan scaffold in a rat skull defect model. Previous publications have demonstrated the osteoinductive properties as scaffold materials with growth factors; however, whether chitosan alone has osteoconductive ability is unclear. This study used cross-linked chitosan scaffolds for in vivo evaluation of scaffold-supported bone regeneration in rat calvarial defects using histopathological analysis and examination of alkaline phosphatase (ALP), calcium, phosphorus, and calcitonin serum levels...
November 16, 2017: Implant Dentistry
https://www.readbyqxmd.com/read/29188402/development-and-characterisation-of-a-large-diameter-decellularised-vascular-allograft
#10
A Aldridge, A Desai, H Owston, L M Jennings, J Fisher, P Rooney, J N Kearney, E Ingham, S P Wilshaw
The aims of this study were to develop a biological large diameter vascular graft by decellularisation of native human aorta to remove the immunogenic cells whilst retaining the essential biomechanical, and biochemical properties for the ultimate benefit of patients with infected synthetic grafts. Donor aortas (n = 6) were subjected to an adaptation of a propriety decellularisation process to remove the cells and acellularity assessed by histological analysis and extraction and quantification of total DNA...
November 29, 2017: Cell and Tissue Banking
https://www.readbyqxmd.com/read/29180195/sutures-versus-new-cyanoacrylates-in-prosthetic-abdominal-wall-repair-a-preclinical-long-term-study
#11
Gemma Pascual, Marta Rodríguez, Claudia Mesa-Ciller, Bárbara Pérez-Köhler, Mar Fernández-Gutiérrez, Julio San Román, Juan M Bellón
BACKGROUND: As an alternative to sutures, meshes used for hernia repair can be fixed using cyanoacrylate-based adhesives. Attempts to improve these adhesives include alkyl-chain lengthening to reduce their toxicity. This preclinical study compares the long-term behavior of cyanoacrylates of different chain lengths already used in hernia repair and new ones for this application. MATERIALS AND METHODS: Partial abdominal wall defects were repaired using a Surgipro mesh in 18 New Zealand White rabbits, and groups were established according to the mesh fixation method: sutures (control), Glubran 2 (n-butyl), Ifabond (n-hexyl), and the new adhesives SafetySeal (n-butyl), and Evobond (n-octyl)...
December 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/29166695/-without-net-and-double-floor-comparison-of-umbilical-hernia-repair-by-spitzy-in-children-and-adults
#12
Laura Kuck, Florian Seitz, Armin Wiegering, Ulrich Dietz, Thomas Meyer
Summary Umbilical hernia occur in both adults and children. For over 100 years, umbilical hernia in children has been treated surgically by the Spitzy method. With adult patients, meshes are being increasingly used. The purpose of our study was to analyse Spitzy herniotomy with respect to the recurrence rate in children and adults. Material and Methods Over a period of 7 years, 383 children (age < 16 years) with umbilical hernia were treated surgically; after applying the exclusion criteria, 370 patients were evaluated...
November 22, 2017: Zentralblatt Für Chirurgie
https://www.readbyqxmd.com/read/29165421/-outcomes-of-intraocular-lens-implantation-in-the-absence-of-capsular-support-a-review-of-current-literature
#13
A V Gushchin, N V Kadatskaya
Тhe prevalence of complications associated with the deficiency or absence of capsular support in cataract patients is 5-15%. Moreover, approximately 20% of patients have an inconspicuous zonular weakness, which is often left undetected preoperatively. AIM: to classify and comparatively analyze the latest published data on the outcomes of various kinds of complicated cataract surgery. MATERIAL AND METHODS: Analysis of available literature on the subject of research published in 2003-2016...
2017: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/29151569/what-kind-of-incision-should-be-made-to-reduce-the-risk-of-incisional-hernia-in-kidney-transplantation
#14
Ihsan Yildız, Yavuz Savas Koca
BACKGROUND The incidence of incisional hernia following renal transplantation is 1.1% to 3.8%. The risk factors are immunosuppressive medications, impaired tissue quality, neuromuscular trauma due to the operation, and denervation. The incidence has been decreasing based on the shift from hockey-stick incision method to inguinal oblique incision method. The aim of this study was to minimize the development of incisional hernias due to renal transplantation. MATERIAL AND METHODS Twenty-four patients who underwent renal transplantation in 2015-2017 were retrospectively examined...
November 20, 2017: Annals of Transplantation: Quarterly of the Polish Transplantation Society
https://www.readbyqxmd.com/read/29150929/biomechanical-properties-of-feline-ventral-abdominal-wall-and-celiotomy-closure-techniques
#15
Fernando S Reina Rodriguez, Conor T Buckley, Joshua Milgram, Barbara M Kirby
OBJECTIVE: To compare biomechanical properties and mechanism of failure of 3 regions of ventral abdominal wall in cats by using 2 suture materials, 2 suture bite-to-stitch intervals (SBSI), and full-thickness versus fascia-only closure. STUDY DESIGN: Randomized, cadaveric, ex vivo mechanical testing. SAMPLE POPULATION: 16 adult cat cadavers, 3 samples per cat. METHODS: Three regions of ventral abdominal wall were mechanically tested (N = 48 samples)...
November 18, 2017: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/29145351/comparison-of-treatment-of-acute-unstable-distal-clavicle-fractures-using-anatomical-locking-plates-with-versus-without-additional-suture-anchor-fixation
#16
Jixing Fan, Yufu Zhang, Qiang Huang, Xieyuan Jiang, Liang He
BACKGROUND Surgical managements were recommended for unstable distal clavicle fracture owing to the high incidence of nonunion. The present study compared the efficacy of anatomical locking plate with versus without additional suture anchor fixation for the treatment of unstable Neer type II distal clavicle fractures. MATERIAL AND METHODS Between January 2013 to January 2015, 28 consecutive patients with unstable Neer type II  fractures were treated by using anatomical locking plate with or without additional suture anchor fixation...
November 16, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29137551/environmental-manipulations-as-an-effective-alternative-treatment-to-reduce-endometriosis-progression
#17
Annelyn Torres-Reverón, Leslie L Rivera, Idhaliz Flores, Caroline B Appleyard
Treatments for endometriosis include pharmacological or surgical procedures that produce significant side effects. We aimed to determine how environmental enrichment (EE) could impact the progression of endometriosis using the autotransplantation rat model. Female rats were exposed to EE (endo-EE: toys and nesting materials, 4 rats per cage, larger area enclosure) or no enrichment (endo-NE: 2 rats per cage) starting on postnatal day 21. After 8 weeks, sham surgery or surgical endometriosis was induced by suturing uterine horn tissue next to the intestinal mesentery, then allowed to progress for 60 days during which EE or NE continued...
January 1, 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/29135409/double-inlay-plus-ventral-onlay-buccal-mucosa-graft-for-simultaneous-penile-and-bulbar-urethral-stricture
#18
Luciano A Favorito, Paulo P Conte, Ulisses G Sobrinho, Rodrigo G Martins, Tomas Accioly
OBJECTIVES: Buccal mucosa grafts and fascio-cutaneous flaps are frequently used in long anterior urethral strictures (1). The inlay and onlay buccal mucosa grafts are easier to perform, do not need urethral mobilization and generally have good long-term results (2-4). In the present video, we present a case where we used a double buccal mucosa graft technique in a simultaneous penile and bulbar urethral stricture. MATERIALS AND METHODS: A 54 year-old male patient was submitted to appendectomy where a urethral catheter was used for two days in May 2015...
November 17, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/29134318/the-impact-of-different-peripheral-suture-techniques-on-the-biomechanical-stability-in-flexor-tendon-repair
#19
B Wieskötter, M Herbort, M Langer, M J Raschke, D Wähnert
PURPOSE: Flexor tendon repair consists of circumferential peripheral sutures in combination with core sutures to avoid fraying and reduces the exposure of suture material on tendon surface. The peripheral suture adds up to a tenfold increase of the biomechanical stability compared to the core suture alone. The purpose of our study was to determine the most favourable peripheral repair technique for tendon repair. METHODS: Seventy-two porcine flexor tendons underwent standardized tenotomy and repair using one of the following six methods (n = 12): simple-running (SR), simple-locking (SL), Halsted-mattress (HM), lin-locking (LL), Lembert-mattress (LM), and Silfverskiöld cross-stich (SCS) suture technique...
November 13, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/29129946/application-of-materials-as-medical-devices-with-localized-drug-delivery-capabilities-for-enhanced-wound-repair
#20
Esther J Lee, Beom Kang Huh, Se Na Kim, Jae Yeon Lee, Chun Gwon Park, Antonios G Mikos, Young Bin Choy
The plentiful assortment of natural and synthetic materials can be leveraged to accommodate diverse wound types, as well as different stages of the healing process. An ideal material is envisioned to promote tissue repair with minimal inconvenience for patients. Traditional materials employed in the clinical setting often invoke secondary complications, such as infection, pain, foreign body reaction, and chronic inflammation. This review surveys the repertoire of surgical sutures, wound dressings, surgical glues, orthopedic fixation devices and bone fillers with drug eluting capabilities...
August 2017: Progress in Materials Science
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