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https://www.readbyqxmd.com/read/29458200/influence-of-treatment-modality-on-morbidity-and-mortality-in-periprosthetic-femoral-fracture-a-comparative-study-of-71-fractures-treated-by-internal-fixation-or-femoral-implant-revision
#1
S Cohen, X Flecher, S Parratte, M Ollivier, J N Argenson
INTRODUCTION: The incidence of periprosthetic femoral fracture is constantly increasing, with high associated morbidity and mortality. Surgical treatment is guided by the Vancouver classification, but the influence of type of treatment on morbidity and mortality has been little analyzed. The theoretic advantage of implant revision over internal fixation is that it should allow earlier weight-bearing, although the impact of this on morbidity and mortality and autonomy has not been demonstrated...
February 16, 2018: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29457444/-effect-of-surface-modification-on-biotribological-properties-of-ultra-high-molecular-weight-polyethylene-artificial-joints
#2
REVIEW
Jie Ding, Yu-Song Pan
Friction and wear of ultra-high molecular weight polyethylene is a major cause of artificial joint failure. According to mechanism of surface modification method, friction reduction and wear-resistance properties of UHMWPE were improve by several kinds of surface modification methods. Meanwhile, this do not damage the internal structure and properties of UHMWPE. In the process, condition is easy to control and operation is simple. However, reaction time of radiation crosslinking method is too long, the material will be oxidized embrittlement; Monomer itself homopolymerization are seriously in the process of surface grafting; The injection layer of ion implantation methods is very thin and easy to be destroyed...
December 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29457417/-clinical-observation-of-the-second-operation-for-refracture-after-internal-fixation-of-clavicle
#3
Hong-Wei Xu, Xiao-Jun He, Zhong-Wei Zhang, Gang Chen
OBJECTIVE: To evaluate the outcome of Titanium Elastic intramedullary nailing(TEN) for the treatment of refracture of clavicle. METHODS: From March 2010 to March 2016, 9 cases of clavicle fracture, postoperative re-fracture (plate broken before fracture healing, plate and screw pull out or refracture after fracture union and internal fixation removal) included 6 males and 3 females with a mean age of 38.6 years old ranging from 20 to 62 years old; 3 cases were sports injury, 5 cases were traffic injury, 1 case was severe injury...
October 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29457358/crt-survey-ii-a-european-society-of-cardiology-survey-of-cardiac-resynchronisation-therapy-in-11-088-patients-who-is-doing-what-to-whom-and-how
#4
Kenneth Dickstein, Camilla Normand, Angelo Auricchio, Nigussie Bogale, John G Cleland, Anselm K Gitt, Christoph Stellbrink, Stefan D Anker, Gerasimos Filippatos, Maurizio Gasparini, Gerhard Hindricks, Carina Blomström Lundqvist, Piotr Ponikowski, Frank Ruschitzka, Giovanni Luca Botto, Alan Bulava, Gabor Duray, Carsten Israel, Christophe Leclercq, Peter Margitfalvi, Óscar Cano, Chris Plummer, Nedim Umutay Sarigul, Maciej Sterlinski, Cecilia Linde
BACKGROUND: Cardiac resynchronisation therapy (CRT) reduces morbidity and mortality in appropriately selected patients with heart failure and is strongly recommended for such patients by guidelines. A European Society of Cardiology (ESC) CRT survey conducted in 2008-2009 showed considerable variation in guideline adherence and large individual, national and regional differences in patient selection, implantation practice and follow-up. Accordingly, two ESC associations, the European Heart Rhythm Association and the Heart Failure Association, designed a second prospective survey to describe contemporary clinical practice regarding CRT...
February 19, 2018: European Journal of Heart Failure
https://www.readbyqxmd.com/read/29456564/role-of-granulocyte-colony-stimulating-factor-in-human-reproduction
#5
REVIEW
Maryam Eftekhar, Elham Naghshineh, Parisa Khani
As new research reveals, granulocyte colony-stimulating factor (G-CSF) plays an effective role in pregnancy success, considering that it not only affects the embryo implantation and ovarian function but also it promotes endometrial thickening and improves the pathophysiology of endometriosis, which all fundamentally lead to reducing pregnancy loss. In this review, we focus on the role of G-CSF in human reproduction. We summarized its role in ovulation, luteinized unruptured follicle syndrome, poor responders, improving repeated in vitro fertilization failure, endometrial receptivity and treatment of thin endometrium, and recurrent spontaneous abortion...
2018: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/29454808/a-new-multifunctionalized-material-against-multi-drug-resistant-bacteria-and-abnormal-osteoclast-activity
#6
Elisa Boanini, Paola Torricelli, Francesca Bonvicini, Maria Cristina Cassani, Milena Fini, Giovanna Angela Gentilomi, Adriana Bigi
The development of new biomaterials able to favor bone formation and to inhibit bone abnormal resorption is mandatory to face the increasing number of age-related musculo-skeletal disorders. Moreover, the increasing antibiotic resistance of clinically important bacteria, which is among the main causes of implant failure, requires new antimicrobial systems. In this study, we prepared multifunctional materials consisting of hydroxyapatite-zoledronate composite crystals decorated with Ag Nanoparticles (AgNPs)...
February 15, 2018: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/29454380/quality-of-life-satisfaction-and-outcomes-after-ministernotomy-versus-full-sternotomy-isolated-aortic-valve-replacement-quality-avr-study-protocol-for-a-randomised-controlled-trial
#7
Emiliano A Rodríguez-Caulo, Ana Guijarro-Contreras, Juan Otero-Forero, María José Mataró, Gemma Sánchez-Espín, Arantza Guzón, Carlos Porras, Miguel Such, Antonio Ordóñez, José María Melero-Tejedor, Manuel Jiménez-Navarro
BACKGROUND: During the last decade, the use of ministernotomy in cardiac surgery has increased. Quality of life and patient satisfaction after ministernotomy have never been compared to conventional full sternotomy in randomised trials. The aim of the study is to determine if this minimally invasive approach improves quality of life, satisfaction and clinical morbimortality outcomes. METHODS/DESIGN: The QUALITY-AVR trial is a single-blind, single-centre, independent, and pragmatic randomised clinical trial comparing ministernotomy ("J" shaped upper hemisternotomy toward right 4th intercostal space) to full sternotomy in patients with isolated severe aortic stenosis scheduled for elective aortic valve replacement...
February 17, 2018: Trials
https://www.readbyqxmd.com/read/29454121/complications-of-impulse-generator-exchange-surgery-for-deep-brain-stimulation-a-single-centre-retrospective-study
#8
Ann-Kristin Helmers, Isabel Lübbing, Falk Birkenfeld, Karsten Witt, Michael Synowitz, Hubertus Maximilian Mehdorn, Daniela Falk
OBJECTIVE: Non-rechargeable deep brain stimulation (DBS) impulse generators (IG) with a low or empty battery status require surgical IG exchange several years after initial implantation. Complication rates in patients undergoing DBS surgery range from 7.6% to 25.3%. The aim of this study was to investigate the complication rates after IG exchange surgery and to identify risk factors for complications. METHODS: We retrospectively analysed complications following IG exchange surgery from 2008 to 2015 in a single-centre university hospital setting...
February 14, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29453695/temporary-assist-device-support-for-the-right-ventricle-pre-implant-and-post-implant-challenges
#9
REVIEW
Michael Dandel, Roland Hetzer
Severe right ventricular (RV) failure is more likely reversible than similar magnitudes of left ventricular (LV) failure and, because reversal of both adaptive remodeling and impaired contractility require most often only short periods of support, the use of temporary RV assist devices (t-RVADs) can be a life-saving therapy option for many patients. Although increased experience with t-RVADs and progresses made in the development of safer devices with lower risk for complications has improved both recovery rate of RV function and patient survival, the mortality of t-RVAD recipients can still be high but it depends mainly on the primary cause of RV failure (RVF), the severity of end-organ dysfunction, and the timing of RVAD implantation, and much less on adverse events and complications related to RVAD implantation, support, or removal...
February 17, 2018: Heart Failure Reviews
https://www.readbyqxmd.com/read/29453309/sutureless-perceval-aortic-valve-versus-conventional-stented-bioprostheses-meta-analysis-of-postoperative-and-midterm-results-in-isolated-aortic-valve-replacement
#10
REVIEW
Massimo Meco, Andrea Montisci, Antonio Miceli, Paolo Panisi, Francesco Donatelli, Silvia Cirri, Matteo Ferrarini, Antonio Lio, Mattia Glauber
BACKGROUND: Aortic stenosis is the most common valvular disease and has a dismal prognosis without surgical treatment. The aim of this meta-analysis was to quantitatively assess the comparative effectiveness of the Perceval (LivaNova) valve versus conventional aortic bioprostheses. METHODS AND RESULTS: A total of 6 comparative studies were identified, including 639 and 760 patients who underwent, respectively, aortic valve replacement with the Perceval sutureless valve (P group) and with a conventional bioprosthesis (C group)...
February 16, 2018: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29452979/3-piece-inflatable-penile-prosthesis-placement-following-radical-cystoprostatectomy-and-urinary-diversion-technique-and-outcomes
#11
Jeffrey Loh-Doyle, Mukul B Patil, Hari Sawkar, Kevin Wayne, Stuart D Boyd
BACKGROUND: After radical cystoprostatectomy (RC), postoperative erectile dysfunction (ED) is a common consequence with multiple contributing etiologies. The inflatable penile prosthesis (IPP) offers patients a definitive treatment option when ED is refractory to medical therapies. Because of the hostile postoperative anatomy of these patients, a careful surgical approach is necessary for successful outcomes and to avoid adjacent organ injury. To date, there is no series describing the outcomes of 3-piece IPP placement in patients with urinary diversions...
February 13, 2018: Journal of Sexual Medicine
https://www.readbyqxmd.com/read/29452734/calcar-screw-position-in-proximal-humerus-fracture-fixation-don-t-miss-high
#12
Samir Mehta, Matthew Chin, Jennifer Sanville, Surena Namdari, Michael W Hast
INTRODUCTION: In locked plate fixation of proximal humerus fractures, the calcar is an important anchor point for screws providing much-needed medial column support. Most locking plate implants utilize a fixed-trajectory locking screw to achieve this goal. Consequently, adjustments of plate location to account for patient-specific anatomy may result in a screw position outside of the calcar. To date, little is known about the consequences of "missing" the calcar during plate positioning...
February 11, 2018: Injury
https://www.readbyqxmd.com/read/29452422/asynchronous-and-pathological-windows-of-implantation-two-causes-of-recurrent-implantation-failure
#13
P Sebastian-Leon, N Garrido, J Remohí, A Pellicer, P Diaz-Gimeno
STUDY QUESTION: Is endometrial recurrent implantation failure (RIF) only a matter of an asynchronous (displaced) window of implantation (WOI), or could it also be a pathological (disrupted) WOI? SUMMARY ANSWER: Our predictive results demonstrate that both displaced and disrupted WOIs exist and can present independently or together in the same RIF patient. WHAT IS KNOWN ALREADY: Since 2002, many gene expression signatures associated with endometrial receptivity and RIF have been described...
February 14, 2018: Human Reproduction
https://www.readbyqxmd.com/read/29452273/3d-bioprinted-functional-and-contractile-cardiac-tissue-constructs
#14
Zhan Wang, Sang Jin Lee, Heng-Jie Cheng, James J Yoo, Anthony Atala
Bioengineering of a functional cardiac tissue composed of primary cardiomyocytes has great potential for myocardial regeneration and in vitro tissue modeling. However, its applications remain limited because the cardiac tissue is a highly organized structure with unique physiologic, biomechanical, and electrical properties. In this study, we undertook a proof-of-concept study to develop a contractile cardiac tissue with cellular organization, uniformity, and scalability by using three-dimensional (3D) bioprinting strategy...
February 13, 2018: Acta Biomaterialia
https://www.readbyqxmd.com/read/29451527/corrigendum-for-effect-of-growth-hormone-on-uterine-receptivity-in-women-with-repeated-implantation-failure-in-an-oocyte-donation-program-a-randomized-controlled-trial
#15
(no author information available yet)
[This corrects the article DOI: 10.1210/js.2017-00359.].
February 1, 2018: Journal of the Endocrine Society
https://www.readbyqxmd.com/read/29451505/-is-ejection-fraction-sufficient-to-establish-indication-for-cardioverter-defibrillator-implantation-in-heart-failure
#16
Marcello Disertori
No abstract text is available yet for this article.
January 2018: Giornale Italiano di Cardiologia
https://www.readbyqxmd.com/read/29451146/safety-and-efficiency-of-trabectome-mediated-trabecular-meshwork-ablation-for-chinese-glaucoma-patients-a-two-year-retrospective-multicentre-study
#17
Ya-Long Dang, Yu-Jie Cen, Ying Hong, Ping Huang, Ning-Li Wang, Chao Wang, Chun Zhang
Background: The aim of the study was to evaluate the long-term safety and efficacy of the Trabectome for Chinese glaucoma patients. Methods: This was a multicenter, retrospective, observational study. Glaucoma patients, except those with neovascular glaucoma, with/without a visually significant cataract were enrolled. The patients received Trabectome or a combined surgery with phacoemulsification and intraocular lens implantation. The primary outcome evaluation was a reduction in intraocular pressure (IOP), and the secondary outcomes were a reduction in glaucoma medication, the 2-year success percentages, and complications...
February 20, 2018: Chinese Medical Journal
https://www.readbyqxmd.com/read/29450939/unexplained-infertility-patients-present-the-mostly-impaired-levels-of-progesterone-receptors-prospective-observational-study
#18
Stamatios Petousis, Yannis Prapas, Chrysoula Margioula-Siarkou, Konstantinos Ravanos, Stefanos Milias, George Mavromatidis, Ioannis Kalogiannidis, Costas Haitoglou, Apostolos Athanasiadis, Nikolaos Prapas, David Rousso
PROBLEM: Τo assess the endometrial expression of progesterone receptors in various subgroups of infertile women during implantation window. ΜETHODS: A prospective observational study was performed during March 2013-February 2017. Infertile women were categorized to those with tubal factor, ovarian failure, endometriosis or unexplained infertility. Endometrial biopsy was obtained on 7th-8th postovulatory day. Total progesterone receptors' PR(A + B) and type-B receptors' (PR-B) expression were compared between all categories of infertile and fruitful controls...
February 16, 2018: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/29448880/migration-and-clinical-outcome-of-mobile-bearing-versus-fixed-bearing-single-radius-total-knee-arthroplasty
#19
Koen T Van Hamersveld, Perla J Marang-Van De Mheen, Huub J L Van Der Heide, Henrica M J Van Der Linden-Van Der Zwaag, Edward R Valstar, Rob G H H Nelissen
Background and purpose - Mobile-bearing total knee prostheses (TKPs) were developed in the 1970s in an attempt to increase function and improve implant longevity. However, modern fixed-bearing designs like the single-radius TKP may provide similar advantages. We compared tibial component migration measured with radiostereometric analysis (RSA) and clinical outcome of otherwise similarly designed cemented fixed-bearing and mobile-bearing single-radius TKPs. Patients and methods - RSA measurements and clinical scores were assessed in 46 randomized patients at baseline, 6 months, 1 year, and annually thereafter up to 6 years postoperatively...
February 16, 2018: Acta Orthopaedica
https://www.readbyqxmd.com/read/29448847/effect-of-early-cumulus-cells-removal-and-early-rescue-icsi-on-pregnancy-outcomes-in-high-risk-patients-of-fertilization-failure
#20
Yuxia He, Haiying Liu, Haiyan Zheng, Li Li, Xin Fu, Jianqiao Liu
OBJECTIVE: The objective of this retrospective study was to evaluate clinical outcomes of early cumulus cells removal and early rescue intracytoplasmic sperm injection (ICSI) in high-risk patients of fertilization failure during human in vitro fertilization (IVF). METHODS: A total of 5,518 patients were enrolled between January 2014 to December 2016. Of which 505 couples performed short insemination with >30% fertilization rate were included in short-term IVF group, 102 patients detected total fertilization failure (TFF) were treated with early rescue ICSI (R-ICSI group), and 4911 couples underwent conventional IVF with overnight co-incubation of gametes (traditional IVF group)...
February 15, 2018: Gynecological Endocrinology
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