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https://www.readbyqxmd.com/read/29682605/dual-affinity-heparin-based-hydrogels-achieve-pro-regenerative-immunomodulation-and-microvascular-remodeling
#1
Molly E Ogle, Jack R Krieger, Liane E Tellier, Jennifer McFaline-Figueroa, Johnna S Temenoff, Edward A Botchwey
The immune response to biomaterial implants critically regulates functional outcomes such as vascularization, transplant integration/survival, and fibrosis. To create "immunologically smart" materials, the host-material response may be engineered to optimize the recruitment of pro-regenerative leukocyte subsets which mature into corresponding wound-healing macrophages. We have recently identified a unique feature of pro-regenerative Ly6Clow monocytes that is a higher expression of both the bioactive lipid receptor sphingosine-1-phosphate receptor 3 (S1PR3) and the stromal derived factor-1α (SDF-1α) receptor CXCR4...
April 9, 2018: ACS Biomaterials Science & Engineering
https://www.readbyqxmd.com/read/29670710/effect-of-the-lack-of-primary-stability-in-the-survival-of-dental-implants
#2
Carlos Cobo-Vázquez, David Reininger, Pedro Molinero-Mourelle, José González-Serrano, Blanca Guisado-Moya, Juan López-Quiles
Background: The survival of dental implants has been linked to primary stability. The aim of this study is to analyse the factors that influence the survival of dental implants placed without primary stability. Material and Methods: A cohort study of implants placed without primary stability was carried out between September 2011 and July 2016. All cases with registered information on the patient and surgical intervention were used. Cases that did not have a 12-month follow-up after implant placement were excluded...
January 2018: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/29659450/aseptic-freeze-dried-vs-sterile-wet-packaged-human-cadaveric-acellular-dermal-matrix-adm-in-immediate-tissue-expander-breast-reconstruction-a-propensity-score-analysis-study
#3
Summer E Hanson, Jesse D Meaike, Jesse C Selber, Jun Liu, Liang Li, Victor J Hassid, Donald P Baumann, Charles E Butler, Patrick B Garvey
BACKGROUND: Although multiple acellular dermal matrix (ADM) sources exist, it is unclear how ADM processing impacts complication rates. We compared complications between two preparations of human cadaveric ADM (freeze dried [hADM-FD] and ready to use [hADM-RTU]) in immediate tissue expander (TE) breast reconstruction to analyze the effect of processing on complications. HADM-FD is aseptic while hADM-RTU is sterilized and wet-packaged. METHODS: We retrospectively reviewed all TE breast reconstructions with hADM-FD or hADM-RTU at a single center between 2006 and 2016...
January 20, 2018: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29629921/assessment-of-cardiac-thrombosis-in-patients-with-left-ventricular-assist-device-using-multidetector-cardiac-computed-tomography
#4
Chukwuemeka A Obi, Nicholas Chan, Monica G Rizkalla, John N Makaryus
: A 79-year-old man with nonischemic cardiomyopathy who underwent left ventricular assist device HeartMate II and automated implantable cardioverter defibrillator placement presented with recurrent refractory sustained ventricular tachycardia, elevated lactate dehydrogenase, and low haptoglobin. Echocardiography demonstrated no thrombosis; cardiac computed tomography showed patent inflow and outflow cannulas while detecting an irregularly shaped mass adherent to the left coronary cusp of the aortic valve, suggesting a thrombus...
April 7, 2018: Journal of Cardiovascular Medicine
https://www.readbyqxmd.com/read/29608904/foreign-body-giant-cell-reaction-to-a-proplast-teflon-interpositional-implant-a-case-report-and-literature-review
#5
Kevin C Lee, Sidney B Eisig, Michael A Perrino
After discectomy, interpositional implants (IPIs) were believed to provide temporomandibular joint stability and protect against degenerative joint space remodeling. Alloplastic IPIs gained popularity in the late 1970s because the practice showed early success without donor site morbidity. However, these IPIs were subject to substantial fragmentation and fatigue under function. The resulting debris elicited an exuberant foreign body giant cell response that progressively eroded adjacent structures. Although most of these IPIs were removed in the years after their recall by the US Food and Drug Administration in 1991, some remained in circulation...
March 8, 2018: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29605151/robotics-in-orthopedics-a-brave-new-world
#6
Brian S Parsley
Future health-care projection projects a significant growth in population by 2020. Health care has seen an exponential growth in technology to address the growing population with the decreasing number of physicians and health-care workers. Robotics in health care has been introduced to address this growing need. Early adoption of robotics was limited because of the limited application of the technology, the cumbersome nature of the equipment, and technical complications. A continued improvement in efficacy, adaptability, and cost reduction has stimulated increased interest in robotic-assisted surgery...
February 16, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29603028/comparison-of-early-osseointegration-between-laser-treated-acid-etched-and-sandblasted-acid-etched-titanium-implant-surfaces
#7
Mingdeng Rong, Haibin Lu, Lei Wan, Xueyang Zhang, Xi Lin, Shaobing Li, Lei Zhou, Yingtao Lv, Yuan Su
This study was designed to compare the early osseointegration of titanium surfaces prepared via laser-treated/acid-etched (LA) and sandblasted/acid-etched (SLA) in dogs. Titanium implants were divided into two groups: Surfaces of the experimental group were treated via LA, while in the control group, surfaces were treated via SLA. The physical and chemical properties of LA and SLA surfaces were tested and compared. Sixteen implants with LA or SLA surfaces were placed into the tibias of four beagle dogs, each treatment group received two implants per single tibia...
March 30, 2018: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/29600908/pedicle-screws-with-a-thin-hydroxyapatite-coating-for-improving-fixation-at-the-bone-implant-interface-in-the-osteoporotic-spine-experimental-study-in-a-porcine-model
#8
Makoto Ohe, Hiroshi Moridaira, Satoshi Inami, Daisaku Takeuchi, Yutaka Nohara, Hiroshi Taneichi
OBJECTIVE Instrumentation failure caused by the loosening of pedicle screws (PSs) in patients with osteoporosis is a serious problem after spinal surgery. The addition of a thin hydroxyapatite (HA) surface coating applied by using a sputtering process was reported recently to be a promising method for providing bone conduction around an implant without a significant risk of coating-layer breakage. In this study, the authors evaluated the biomechanical and histological features of the bone-implant interface (BII) of PSs with a thin HA coating in an in vivo porcine osteoporotic spine model...
March 30, 2018: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/29595715/risk-factor-analysis-for-capsular-contracture-a-10-year-sientra-study-using-round-smooth-and-textured-implants-for-breast-augmentation
#9
M Bradley Calobrace, W Grant Stevens, Peter J Capizzi, Robert Cohen, Tess Godinez, Maggi Beckstrand
BACKGROUND: Despite the increased understanding of surgical best practices, capsular contracture remains the most commonly reported complication and reason for reoperation following breast implant surgery. This study provides a long-term update to a previous investigation of potential contributing risk factors for capsular contracture in primary augmentation patients. METHODS: The data used for this analysis include 5,122 implants in 2,565 primary augmentation patients implanted by 34 surgeons based on long-term results from Sientra's clinical study...
April 2018: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29593936/oral-effects-and-early-implant-survival-results-after-imatinib-discontinuation-therapy-for-chronic-myelogenous-leukemia-a-case-report
#10
Douglas R Dixon, Alaa Yassin
Introduction: Little is known regarding the success, failure, or complication rates of advanced implant procedures in patients after discontinuation therapy of long-term medications for the treatment of chronic myelogenous leukemia (CML). This case report presents initial results of a case involving implant placement in the mandible and maxilla as well as reduction of palatal oral pigmentation in a patient discontinuing long-term tyrosine kinase inhibitor (TKI) therapy for CML. Case Presentation: A 57-year-old male was referred to the Department of Periodontics, University of Washington, Seattle, Washington, for an assessment of edentulous areas (tooth sites #3 and #14) and failing tooth #19...
August 2017: Clinical Advances in Periodontics
https://www.readbyqxmd.com/read/29582942/-fluoroscopic-based-navigation-in-orthopaedic-trauma-a-review-of-a-large-center-s-experience
#11
Yoram A Weil, Meir Liebergall, Rami Mosheiff, Amal Khoury
INTRODUCTION: Computer Assisted Orthopaedic Surgery (CAOS) was introduced in the late 1990's and early 2000's. Since then its application in orthopaedic trauma has been utilized mainly as augmented fluoroscopy for intraoperative navigation. From 2010 our center implemented an advanced system allowing further expansion of this technology. AIMS: The aim of this study was to describe the experience with an advanced fluoroscopic based CAOS system in our center. METHODS: The BrainLabTM Trauma 3...
March 2018: Harefuah
https://www.readbyqxmd.com/read/29582679/does-the-real-time-ultrasound-guidance-provide-safer-venipuncture-in-implantable-venous-port-implantation
#12
İlknur Yıldırım, Ayşe Çiğdem Tütüncü, Süleyman Bademler, İlker Özgür, Mukaddes Demiray, Hasan Karanlık
AIM: To examine whether the real-time ultrasound-guided venipuncture for implantable venous port placement is safer than the traditional venipuncture. METHODS: The study analyzed the results of 2153 venous ports placed consecutively from January 2009 to January 2016. A total of 922 patients in group 1 and 1231 patients in group 2 were admitted with venous port placed using the traditional landmark subclavian approach and real-time ultrasound-guided axillary approach, respectively...
March 1, 2018: Journal of Vascular Access
https://www.readbyqxmd.com/read/29578921/updated-clinical-indications-for-transcatheter-aortic-valve-implantation-in-patients-with-severe-aortic-stenosis-expert-opinion-of-the-italian-society-of-cardiology-and-gise
#13
Ciro Indolfi, Antonio L Bartorelli, Sergio Berti, Paolo Golino, Giovanni Esposito, Giuseppe Musumeci, Sonia Petronio, Corrado Tamburino, Giuseppe Tarantini, Gianpaolo Ussia, Corrado Vassanelli, Carmen Spaccarotella, Roberto Violini, Giuseppe Mercuro, Francesco Romeo
: The introduction of percutaneous treatment of severe aortic stenosis with transcatheter aortic valve implantation (TAVI) remains one of the greatest achievements of interventional cardiology. In fact, TAVI emerged as a better option than either medical therapy or balloon aortic valvuloplasty for patients who cannot undergo surgical aortic valve replacement (SAVR) or are at high surgical risk. Recently, increased operator experience and improved device systems have led to a worldwide trend toward the extension of TAVI to low-risk or intermediate-risk patients...
May 2018: Journal of Cardiovascular Medicine
https://www.readbyqxmd.com/read/29575584/the-effect-of-implant-abutment-junction-position-on-crestal-bone-loss-a-systematic-review-and-meta-analysis
#14
REVIEW
Muhammad H A Saleh, Andrea Ravidà, Fernando Suárez-López Del Amo, Guo-Hao Lin, Farah Asa'ad, Hom-Lay Wang
PURPOSE: To investigate the effect of the apico-coronal implant position on early and late crestal bone loss (CBL), in bone and tissue level implants. MATERIALS AND METHODS: Electronic and manual literature searches were conducted for controlled clinical trials reporting on CBL before and after functional loading of implants. Random effects meta-analyses were applied to analyze the weighted mean difference (WMD) and meta-regression was conducted to investigate any potential influences of select confounding factors...
March 24, 2018: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/29574852/early-and-late-implant-failure-of-submerged-versus-non-submerged-implant-healing-a-systematic-review-meta-analysis-and-trial-sequential-analysis
#15
REVIEW
Giuseppe Troiano, Lucio Lo Russo, Luigi Canullo, Domenico Ciavarella, Lorenzo Lo Muzio, Luigi Laino
INTRODUCTION: The aim of this systematic review is to analyze current evidence regarding differences in early and late implant failure as well as in marginal bone level (MBL) changes between submerged and non-submerged healed dental implants. METHODS: PUBMED, SCOPUS, EMBASE and Web of Science databases were searched for prospective randomized and non-randomized controlled studies addressing direct comparison between submerged and non-submerged implant healing, without performing immediate loading...
March 25, 2018: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/29571671/impact-of-particulate-deproteinized-bovine-bone-mineral-and-porous-titanium-granules-on-early-stability-and-osseointegration-of-dental-implants-in-narrow-marginal-circumferential-bone-defects
#16
A Verket, S P Lyngstadaas, H Tiainen, H J Rønold, J C Wohlfahrt
The use of two particulate bone graft substitute materials in experimental narrow marginal peri-implant bone defects was investigated with respect to early bone healing and implant stability. Porous titanium granules, oxidized white porous titanium granules (WPTG), and demineralized bovine bone mineral (DBBM) were characterized in vitro, after which the two latter materials were tested in experimental peri-implant bone defects in six minipigs, with empty defects as control. After mandibular premolar extraction, the top 5mm of the alveoli were widened to 6mm in diameter, followed by the placement of six implants, three on each side, in each pig...
March 20, 2018: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29557798/factors-affecting-the-occurrence-of-complications-in-the-early-stages-after-dental-implant-placement-a-retrospective-cohort-study
#17
Toshihiro Okamoto, Keika Hoshi, Kenji Fukada, Toshiyuki Kataoka, Akira Kumasaka, Nobuyuki Kaibuchi, Satoshi Fukuzawa, Tomohiro Ando
OBJECTIVE: To evaluate the background factors related to the occurrence of complications in the early stages after dental implant placement. MATERIALS AND METHODS: A total of 289 outpatients who received dental implants were retrospectively evaluated for the presence or absence of complications. Background factors, including age, sex, implant width, implant length, implant site, number of implants placed, Periotest values at the time of implant placement, presence/absence of systemic disease (particularly diabetes), and the use of anticoagulation therapy, were compared between patients with and without complications...
March 19, 2018: Implant Dentistry
https://www.readbyqxmd.com/read/29557403/one-stage-horizontal-guided-bone-regeneration-with-autologous-bone-anorganic-bovine-bone-and-collagen-membranes-follow-up-of-a-prospective-study-30-months-after-loading
#18
Silvio Mario Meloni, Sascha Alexander Jovanovic, Milena Pisano, Giacomo De Riu, Edoardo Baldoni, Marco Tallarico
PURPOSE: To present the medium-term results of one-stage guided bone regeneration (GBR) using autologous bone and anorganic bovine bone, placed in layers, in association with resorbable collagen membranes, for the reconstruction of horizontal bony defects. MATERIALS AND METHODS: This study was designed as an uncontrolled prospective study. Partially edentulous patients, having less than 6.0 mm and more than 4.0 mm of residual horizontal bone width were selected and consecutively treated with simultaneously implant installation and bone regeneration by using 2...
2018: European Journal of Oral Implantology
https://www.readbyqxmd.com/read/29552671/angle-closure-glaucoma-in-congenital-ectropion-uvea
#19
Grace M Wang, Daniel Thuente, Brenda L Bohnsack
Purpose: Congenital ectropion uvea is a rare anomaly, which is associated with open, but dysplastic iridocorneal angles that cause childhood glaucoma. Herein, we present 3 cases of angle-closure glaucoma in children with congenital ectropion uvea. Observations: Three children were initially diagnosed with unilateral glaucoma secondary to congenital ectropion uvea at 7, 8 and 13 years of age. The three cases showed 360° of ectropion uvea and iris stromal atrophy in the affected eye...
June 2018: American Journal of Ophthalmology Case Reports
https://www.readbyqxmd.com/read/29550463/penoscrotal-decompression-promising-new-treatment-paradigm-for-refractory-ischemic-priapism
#20
Joceline S Fuchs, Nabeel Shakir, Maxim J McKibben, Shawn Mathur, Sloan Teeple, Jeremy M Scott, Allen F Morey
BACKGROUND: For prolonged ischemic priapism, outcomes after distal shunt are poor, with only 30% success for priapic episodes lasting longer than 48 hours. AIM: To present a novel, glans-sparing approach of corporal decompression through a penoscrotal approach for cases of refractory ischemic priapism (RIP) after failed distal shunt procedures. METHODS: We describe the technique and present our initial experience with penoscrotal decompression (PSD) for treatment of RIP after failed distal shunt...
March 14, 2018: Journal of Sexual Medicine
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