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https://www.readbyqxmd.com/read/27918225/clinical-surgical-and-electrical-factors-impacting-residual-hearing-in-cochlear-implant-surgery
#1
Adrien A Eshraghi, Jamal Ahmed, Eric Krysiak, Kadri Ila, Peter Ashman, Fred F Telischi, Simon Angeli, Sandra Prentiss, Diane Martinez, Sandra Valendia
CONCLUSIONS: This study recommends using soft surgical principal and round window insertion to protect residual hearing with favorable anatomical exposure. Further studies are needed to evaluate the impact of the electrical stimulation on the organ of corti and hearing. OBJECTIVE: The objective of this study is to analyze various factors that impact on preservation of residual hearing post-implantation. METHODS: A retrospective study was performed to analyze loss of residual hearing in a cohort of 225 patients implanted in a large academic center...
December 5, 2016: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/27917518/dental-implant-loss-in-older-versus-younger-patients-a-systematic-review-and-meta-analysis-of-prospective-studies
#2
REVIEW
Daniel Isaac Sendyk, Emanuel da Silva Rovai, Claudio Mendes Pannuti, Maria Cristina Zindel Deboni, Wilson Roberto Sendyk, Ann Wennerberg
The aim of this systematic review was to evaluate implant loss in younger and older patients. An electronic search of four databases (MEDLINE, EMBASE, SCOPUS and the Cochrane Library) was undertaken until May 2016 without time restriction and was supplemented by manual searching. Prospective cohorts were included if they met the following criteria: (1) presence of an exposed group (older subjects) with a minimum age of 60 years; (2) presence of a control group (younger subjects) with a maximum age of 59 years; and (3) outcome data considering implant survival or loss...
December 5, 2016: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/27909129/metallosis-following-implantation-of-magnetically-controlled-growing-rods-in-the-treatment-of-scoliosis-a-case-series
#3
K H Teoh, C von Ruhland, S L Evans, S H James, A Jones, J Howes, P R Davies, S Ahuja
AIMS: We present a case series of five patients who had revision surgery following magnetic controlled growing rods (MGCR) for early onset scoliosis. Metallosis was found during revision in four out of five patients and we postulated a mechanism for rod failure based on retrieval analysis. PATIENTS AND METHODS: Retrieval analysis was performed on the seven explanted rods. The mean duration of MCGR from implantation to revision was 35 months (17 to 46). The mean age at revision was 12 years (7 to 15; four boys, one girl)...
December 2016: Bone & Joint Journal
https://www.readbyqxmd.com/read/27908149/real-time-electromagnetic-seed-drop-detection-for-permanent-implants-brachytherapy-technology-overview-and-performance-assessment
#4
E Racine, G Hautvast, D Binnekamp, L Beaulieu
PURPOSE: To describe the principles and report on the performance of a novel real-time electromagnetic (EM) seed drop detection technology for permanent implants brachytherapy procedures. METHODS: A novel EM hollow needle prototype was recently developed by Philips. It possesses standard 3D tracking capability as well as a seed drop detection mechanism, both performed from a single custom built EM sensor. The detection mechanism is based on the magnetic permeability changes in the sensor as the seeds pass through...
December 2016: Medical Physics
https://www.readbyqxmd.com/read/27907935/a-meta-analysis-of-functional-outcomes-in-patient-specific-instrumented-knee-arthroplasty
#5
Ashim Mannan, Deji Akinyooye, Fahad Hossain
Alignment data in patient-specific instrumented (PSI) knee arthroplasty have been examined in several meta-analyses, with demonstration of comparative but not improved restitution of a neutral mechanical axis and favorable outcomes in femoral implant axial alignment. To date, no comprehensive synthesis of data has been conducted specifically for functional outcomes. Relevant databases were searched according to Preferred Reporting Items for Systematic reviews and Meta-analyses guidelines during the period 2000 to 2015 of Levels 1 and 2 studies comparing functional outcomes of patient-specific instrumentation (PSI) versus conventional instrumentation...
December 1, 2016: Journal of Knee Surgery
https://www.readbyqxmd.com/read/27905161/the-impact-of-co-morbidity-burden-on-appropriate-implantable-cardioverter-defibrillator-therapy-and-all-cause-mortality-insight-from-danish-nationwide-clinical-registers
#6
Anne Christine Ruwald, Michael Vinther, Gunnar H Gislason, Jens Brock Johansen, Jens Cosedis Nielsen, Helen Høgh Petersen, Sam Riahi, Christian Jons
AIMS: In a nationwide cohort of primary (PP-ICD) and secondary prevention (SP-ICD) implantable cardioverter defibrillator (ICD) patients, we aimed to investigate the association between co-morbidity burden and risk of appropriate ICD therapy and mortality. METHODS AND RESULTS: We identified all patients >18 years, implanted with first-time PP-ICD (n = 1873) or SP-ICD (n = 2461) in Denmark from 2007 to 2012. Co-morbidity was identified in administrative registers of hospitalization and drug prescription from pharmacies...
December 1, 2016: European Journal of Heart Failure
https://www.readbyqxmd.com/read/27901623/autotransplantation-of-spleen-mitigates-drug-induced-liver-damage-in-splenectomized-mice
#7
Sabrine Teixeira Ferraz Grunewald, Alice Belleigoli Rezende, Bárbara Bruna Muniz Figueiredo, Ana Carolina de Paula Mendonça, Caroline de Souza Almeida, Erick Esteves de Oliveira, Flávia de Paoli, Henrique Couto Teixeira
PURPOSE: The spleen presents numerous functions, including the production of immunoglobulins and blood filtration, removing microorganisms and cellular debris. The spleen also has anatomical and functional relationship with the liver, but there are few studies on this topic. The aim of this study was to assess the effect of splenectomy and autologous spleen transplantation on both filtering functions of spleen and acetaminophen-induced hepatotoxicity. MATERIALS AND METHODS: Fifty-two BALB/c mice were randomized into four groups: splenectomized; splenectomy and splenic autotransplantation in the greater omentum; sham operated control; and non-operated control...
November 30, 2016: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
https://www.readbyqxmd.com/read/27898433/transcatheter-aortic-valve-implantation-in-nonagenarians
#8
Adam Penkalla, Joerg Kempfert, Axel Unbehaun, Semih Buz, Thorsten Drews, Miralem Pasic, Volkmar Falk
OBJECTIVE: In this report, we assess the outcome of transcatheter aortic valve implantation (TAVI) in nonagenarians at our institution during a 6-year period. METHODS: Between April 2008 and July 2014, 40 patients with a mean ± SD age of 91.8 ± 2.3 years (range, 90-98 years) underwent TAVI. Thirty-three patients (82.5%) received transapical TAVI, and seven patients (17.5%) received transfemoral TAVI. Baseline characteristics were as follows: mean ± SD EuroSCORE II, 23...
November 28, 2016: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/27896787/extracorporeal-membrane-oxygenation-for-pheochromocytoma-induced-cardiogenic-shock
#9
Guillaume Hekimian, Fatima Kharcha, Nicolas Bréchot, Matthieu Schmidt, Cécile Ghander, Guillaume Lebreton, Xavier Girerd, Christophe Tresallet, Jean-Louis Trouillet, Pascal Leprince, Jean Chastre, Alain Combes, Charles-Edouard Luyt
BACKGROUND: Pheochromocytoma, a rare catecholamine-producing tumor, might provoke stress-induced Takotsubo-like cardiomyopathy and severe cardiogenic shock. Because venoarterial-extracorporeal membrane oxygenation (VA-ECMO) rescue of pheochromocytoma-induced refractory cardiogenic shock has rarely been reported, we reviewed our ICU patients' presentations and outcomes. METHODS: All pheochromocytoma-induced refractory cardiogenic shock cases managed with VA-ECMO (January 2007-March 2015) were prospectively included and reviewed...
December 2016: Annals of Intensive Care
https://www.readbyqxmd.com/read/27895679/the-impact-of-body-mass-index-on-dosimetric-quality-in-low-dose-rate-prostate-brachytherapy
#10
Michelle I Echevarria, Arash O Naghavi, Puja S Venkat, Yazan A Abuodeh, Carlos Chevere, Kosj Yamoah
PURPOSE: Low-dose-rate (LDR) brachytherapy has been established as an effective and safe treatment option for men with low and intermediate risk prostate cancer. In this retrospective analysis, we sought to study the effect of body mass index (BMI) on post-implant dosimetric quality. MATERIAL AND METHODS: After institutional approval, records of patients with non-metastatic prostate cancer treated in Puerto Rico with LDR brachytherapy during 2008-2013 were reviewed...
October 2016: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/27895678/prostate-brachytherapy-in-ghana-our-initial-experience
#11
James Edward Mensah, Joel Yarney, Verna Vanderpuye, Evans Akpakli, Samuel Tagoe, Evans Sasu
PURPOSE: This study presents the experience of a brachytherapy team in Ghana with a focus on technology transfer and outcome. The team was initially proctored by experienced physicians from Europe and South Africa. MATERIAL AND METHODS: A total of 90 consecutive patients underwent either brachytherapy alone or brachytherapy in combination with external beam radiotherapy for prostate carcinoma between July 2008 and February 2014 at Korle Bu Teaching Hospital, Accra, Ghana...
October 2016: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/27886000/evaluation-of-corrosion-resistance-and-surface-characteristics-of-orthodontic-wires-immersed-in-different-mouthwashes
#12
Didem Nalbantgil, Feyza Ulkur, Gulfeza Kardas, Mustafa Culha
BACKGROUND: Patients use mouthwashes in addition to mechanical cleaning during orthodontic treatment. The effects of mouthwashes on the archwires have not been examined yet. OBJECTIVE: To compare the corrosion resistance of four different arch wires and corrosion effects of different mouthwashes to formulate a biocompatible and mechanically useful arch wire and mouthwash combination. METHODS: Each group comprised of 4 wire samples of 2 cm 0...
November 25, 2016: Bio-medical Materials and Engineering
https://www.readbyqxmd.com/read/27885379/preoperative-radioactive-seed-localization-of-nonpalpable-soft-tissue-masses-an-established-localization-technique-with-a-new-application
#13
Hillary W Garner, Joseph M Bestic, Jeffrey J Peterson, Steven Attia, Daniel E Wessell
OBJECTIVE: To describe the technique of iodine(125) (I(125)) seed deployment into nonpalpable soft tissue masses under direct ultrasound (US) or CT guidance for intraoperative localization. MATERIALS AND METHODS: Patients considered candidates for radioactive seed localization (RSL) based on advanced imaging findings underwent an ultrasound examination of the area of concern to verify sonographic visualization of the targeted mass. If the mass was not visible sonographically, CT was used for guidance...
November 24, 2016: Skeletal Radiology
https://www.readbyqxmd.com/read/27884740/effect-of-mechanical-debridement-with-adjunct-antimicrobial-photodynamic-therapy-in-the-treatment-of-peri-implant-diseases-in-type-2-diabetic-smokers-and-non-smokers
#14
Tariq Abduljabbar
OBJECTIVE: The aim of the present 6-month follow-up study was to assess the effect of mechanical debridement (MD) with adjunct antimicrobial photodynamic therapy (aPDT) in the treatment of peri-implant diseases in type-2 diabetic smokers and non-smokers. METHODS: Patients were divided into 2 groups: (a) Group-1: type-2 diabetic smokers; and (b) Group-2: type-2 diabetic non-smokers. In both groups, hemoglobin A1c (HbA1c) levels and peri-implant bleeding on probing (BOP) and probing depth (PD) ≥4mm were measured at baseline and after 6 months of follow-up...
November 21, 2016: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/27878464/impact-of-abutment-material-on-peri-implant-soft-tissue-color-an-in-vitro-study
#15
Sala Leticia, Bascones-Martínez Antonio, Carrillo-de-Albornoz Ana
OBJECTIVES: The objectives of the present study is to determine the differences in peri-implant soft tissue color with the utilization of titanium, titanium gold-plated, white zirconia, Vita Classical (VC) A4-shaded zirconia, and fluorescent white zirconia abutments and to establish the influence of gingival thickness on the resulting color. METHODS: Four implants were contralaterally inserted in 19 fresh pig mandibles, and the color of the peri-implant mucosa with the different abutments was spectrophotometrically measured at 1-, 2-, and 3-mm height from the margin...
November 22, 2016: Clinical Oral Investigations
https://www.readbyqxmd.com/read/27872877/data-on-spermatogenesis-in-rat-males-gestationally-exposed-to-bisphenol-a-and-high-fat-diets
#16
Pheruza Tarapore, Max Hennessy, Dan Song, Jun Ying, Bin Ouyang, Vinothini Govindarajah, Yuet-Kin Leung, Shuk-Mei Ho
This data article contains supporting information regarding the research article entitled "High butter-fat diet and bisphenol A additively impair male rat spermatogenesis" (P. Tarapore, M. Hennessy, D. Song, J. Ying, B. Ouyang, V. Govindarajah, et al.,) [1]. Sprague-Dawley females were fed AIN, high fat butter, 17α-ethinyl estradiol, or high fat butter plus four bisphenol A doses (2500 µg/kg bw-d, 250 µg/kg bw-d, 25 µg/kg bw-d, and 2.5 µg/kg bw-d) before and during pregnancy. All diets were switched to AIN after the pups were born...
December 2016: Data in Brief
https://www.readbyqxmd.com/read/27867121/effect-of-direct-stimulation-of-the-cochleovestibular-nerve-on-tinnitus-a-long-term-follow-up-study
#17
Minke J C van den Berge, J Marc C van Dijk, Rolien H Free, Janke Stienstra, Pim van Dijk, Bernard F A M van der Laan
OBJECTIVE: Tinnitus is a common entity that may lead to severe impairment in quality of life. An adequate treatment modality for severe tinnitus is currently lacking. Neurostimulation of the auditory tract may serve as a promising adjunct in tinnitus treatment. The aim is to investigate the effect of direct stimulation on the cochleovestibular nerve for intractable tinnitus. METHODS: This study was conducted at the University Medical Center Groningen, The Netherlands...
November 17, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27862871/the-impact-of-in-vitro-accelerated-aging-approximating-30-and-60-years-in-vivo-on-commercially-available-zirconia-dental-implants
#18
Mona Monzavi, Sammy Noumbissi, Hessam Nowzari
BACKGROUND: Despite increased popularity of Zirconia dental implants, concerns have been raised regarding low temperature degradation (LTD) and its effect on micro-structural integrity. PURPOSE: This study evaluated the effect of LTD on four types of Zirconia dental implants at 0, 30, and 60 years of artificial aging. The impact of aging on t-m transformation and micro crack formation was measured. MATERIALS AND METHODS: Accelerated aging at 15 and 30 hours, approximating 30 and 60 years in vivo, aged 36 Zirconia dental implants: Z systems(®) (A), Straumann(®) (B), Ceraroot(®) (C), and Zeramex(®) (D)...
November 9, 2016: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/27862075/minimally-invasive-implantation-of-heartware-assist-device-and-simultaneous-tricuspid-valve-reconstruction-through-partial-upper-sternotomy
#19
Julia Hillebrand, Andreas Hoffmeier, Tonny Djie Tiong Tjan, Juergen R Sindermann, Christoph Schmidt, Sven Martens, Mirela Scherer
Left ventricular assist device (LVAD) implantation is a well-established therapy to support patients with end-stage heart failure. However, the operative procedure is associated with severe trauma. Third generation LVADs like the HeartWare assist device (HeartWare, Inc., Framingham, MA, USA) are characterized by enhanced technology despite smaller size. These devices offer new minimally invasive surgical options. Tricuspid regurgitation requiring valve repair is frequent in patients with the need for mechanical circulatory support as it is strongly associated with ischemic and nonischemic cardiomyopathy...
November 8, 2016: Artificial Organs
https://www.readbyqxmd.com/read/27861650/influence-of-four-different-abutment-materials-and-the-adhesive-joint-of-two-piece-abutments-on-cervical-implant-bone-and-soft-tissue
#20
Christian Mehl, Volker Gaβling, Stephan Schultz-Langerhans, Yahya Açil, Telse Bähr, Jörg Wiltfang, Matthias Kern
PURPOSE: The main aim of this study was to evaluate the influence of four different abutment materials and the adhesive joint of two-piece abutments on the cervical implant bone and soft tissue. MATERIALS AND METHODS: Sixty-four titanium implants (Camlog Conelog; 4.3 ± 9 mm) were placed bone level into the edentulous arches of four minipigs. Four different types of abutments were placed at implant exposure: zirconium dioxide, lithium disilicate, and titanium bonded to a titanium luting base with resin cement; one-piece titanium abutments served as the control...
November 2016: International Journal of Oral & Maxillofacial Implants
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