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Implantation

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https://www.readbyqxmd.com/read/29334682/body-mass-index-and-plasma-p-selectin-before-coronary-stenting-predict-high-residual-platelet-reactivity-at-6-months-on-dual-antiplatelet-therapy
#1
Elena Z Golukhova, Marina V Grigoryan, Mariya N Ryabinina, Naida I Bulaeva, Victor L Serebruany
BACKGROUND: High residual platelet reactivity (HRPR) during dual antiplatelet therapy (DAPT) may impact clinical outcomes following percutaneous coronary interventions (PCI). However, whether any biomarkers assessed before PCI at DAPT loading may predict delayed maintenance HRPR is not clear. OBJECTIVE: The aim of this study was to determine whether conventional clinical or laboratory indices at loading before stenting may predict HRPR at 6 months of maintenance DAPT...
January 16, 2018: Cardiology
https://www.readbyqxmd.com/read/29334577/consequences-of-the-f-d-a-directed-moratorium-on-silicone-gel-breast-implants-1992-2006
#2
Norman M Cole
The FDA silicone gel breast implant moratorium occurred 25 years ago. The immediate and long-term consequences of the moratorium are reviewed and assessed.
January 10, 2018: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29334509/comparison-of-stress-and-strain-distribution-around-splinted-and-nonsplinted-6-mm-short-implants-in-posterior-mandible-a-finite-element-analysis-study
#3
Mansour Meimandi, Mohammad Reza Talebi Ardakani, Reza Amid, Amir Mahmoudi Motlagh, Shahrzad Beheshti
PURPOSE: This study was designed to compare the biomechanical performance of splinted and nonsplinted short implants, in the posterior mandible, using finite element analysis. MATERIALS AND METHODS: Three-dimensional models of short implants with 2 different diameters (4 × 6 mm or 5 × 6 mm) were scanned, and CATIA (R21) was used to simulate the model of an edentulous lower jaw. Experimental groups were designed as follows: (1) D4L6-splinted (three 4 × 6-mm splinted implants), (2) D4L6-nonsplinted, (3) D5L6-splinted, and (4) D5L6-nonsplinted...
January 12, 2018: Implant Dentistry
https://www.readbyqxmd.com/read/29334508/practical-valvular-issues-in-patients-requiring-ventricular-assist-devices
#4
Mitesh Badiwala, Terrence Yau
PURPOSE OF REVIEW: As ventricular assist device (VAD) therapy in patients with advanced heart failure continues to grow, experience with concomitant valvular diseases present either before or after VAD implantation continues to accrue. In this review, we discuss recent data and current practice as it pertains to the subject of concomitant valvular disease in patients requiring VADs. RECENT FINDINGS: Persistent aortic valve closure has been identified as a potential contributor to aortic valve 'disuse atrophy' resulting in valve degeneration...
January 13, 2018: Current Opinion in Cardiology
https://www.readbyqxmd.com/read/29334403/soft-tissue-volume-gain-around-dental-implants-using-autogenous-subepithelial-connective-tissue-grafts-harvested-from-the-lateral-palate-or-tuberosity-area-a-randomized-controlled-clinical-study
#5
Ernest Rojo, Giorgio Stroppa, Ignacio Sanz-Martin, Oscar Gonzalez-Martín, Antonio Santos Alemany, José Nart
AIM: To compare the soft tissue volume gain (VG) around single tooth implants with subepithelial connective tissue graft (SCTG) from either the lateral palate (LP) or from the tuberosity area (TA). METHODS: 32 patients with 36 implants with buccal volume deficiencies were randomly assigned to receive SCTG from LP (control group/CG) or TA (test group/TG). Clinical parameters were recorded and volume gain was evaluated by STL image superimposition of 2 intraoral scans (baseline/BL and 3 months after surgery/FU-3)...
January 15, 2018: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/29334269/effects-of-a-transient-noise-reduction-algorithm-on-speech-intelligibility-in-noise-noise-tolerance-and-perceived-annoyance-in-cochlear-implant-users
#6
J Gertjan Dingemanse, Jantien L Vroegop, André Goedegebure
OBJECTIVE: To evaluate the validity and efficacy of a transient noise reduction algorithm (TNR) in cochlear implant processing and the interaction of TNR with a continuous noise reduction algorithm (CNR). DESIGN: We studied the effects of TNR and CNR on the perception of realistic sound samples with transients, using subjective ratings of annoyance, a speech-in-noise test and a noise tolerance test. STUDY SAMPLE: Participants were 16 experienced cochlear implant recipients wearing an Advanced Bionics Naida Q70 processor...
January 15, 2018: International Journal of Audiology
https://www.readbyqxmd.com/read/29334205/overexpression-of-endometrial-estrogen-receptor-alpha-in-the-window-of-implantation-in-women-with-unexplained-infertility
#7
Mehran Dorostghoal, Hamid-O-Allah Ghaffari, Farideh Marmazi, Narjes Keikhah
Background: Failure in the endometrial receptivity may account for a significant number of infertility cases including unexplained infertility in women. Reduction in the endometrial estrogen receptor-alpha (ER-α) expression during implantation may be a critical event that coincides with the expression of specific genes and the formation of a receptive endometrium. The aim of the present study was to assess the expression of ER-α in the mid-secretory phase in the endometrium of women with unexplained infertility...
April 2018: International Journal of Fertility & Sterility
https://www.readbyqxmd.com/read/29334203/modeling-in-vitro-fertilization-data-considering-multiple-outcomes-observed-among-iranian-infertile-women
#8
Azadeh Ghaheri, Aliakbar Rasekhi, Reza Omani Samani, Ebrahim Hajizadeh
Background: Women undergoing in vitro fertilization (IVF) cycles should successfully go through multiple points during the procedure (i.e., implantation, clinical pregnancy, no spontaneous abortion and delivery) to achieve live births. In this study, data from multiple cycles and multiple points during the IVF cycle are collected for each individual to model the effects of factors associated with success at different stages of IVF cycles in Iranian infertile women. MATERIALS AND METHODS: This historical cohort study includes 996 assisted reproductive technology (ART) cycles of 511 infertile women...
April 2018: International Journal of Fertility & Sterility
https://www.readbyqxmd.com/read/29334198/enzyme-based-glucose-sensor-from-invasive-to-wearable-device
#9
REVIEW
Hyunjae Lee, Yongseok Joseph Hong, Seungmin Baik, Taeghwan Hyeon, Dae-Hyeong Kim
Blood glucose concentration is a key indicator of patients' health, particularly for symptoms associated with diabetes mellitus. Because of the large number of diabetic patients, many approaches for glucose measurement have been studied to enable continuous and accurate glucose level monitoring. Among them, electrochemical analysis is prominent because it is simple and quantitative. This technology has been incorporated into commercialized and research-level devices from simple test strips to wearable devices and implantable systems...
January 15, 2018: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/29334188/soft-artificial-bladder-detrusor
#10
Xuxu Yang, Chengrui An, Shuting Liu, Tingyu Cheng, Varitsara Bunpetch, Yixiao Liu, Shurong Dong, Shijian Li, Xiaohui Zou, Tiefeng Li, Hongwei Ouyang, Zhaohui Wu, Wei Yang
Developing soft devices for invasive procedures bears great importance for human health. The softness and large strain actuation of responsive hydrogels promise the potential to fabricate soft devices, which can attach on and assist to the function of organs. The key challenges lie in the fabrication of soft devices with robust actuating ability and biocompatibility to the attached organ. This paper presents a solution that integrates the thermoresponsive hydrogel membrane with flexible electronics and silk scaffold into a balloon-like soft device...
January 15, 2018: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/29334185/physical-properties-of-implanted-porous-bioscaffolds-regulate-skin-repair-focusing-on-mechanical-and-structural-features
#11
REVIEW
Shumeng Jiang, Sabrina Cloud Li, Chenyu Huang, Barbara Pui Chan, Yanan Du
Porous bioscaffolds are applied to facilitate skin repair since the early 1990s, but a perfect regeneration outcome has yet to be achieved. Until now, most efforts have focused on modulating the chemical properties of bioscaffolds, while physical properties are traditionally overlooked. Recent advances in mechanobiology and mechanotherapy have highlighted the importance of biomaterials' physical properties in the regulation of cellular behaviors and regenerative processes. In skin repair, the mechanical and structural features of porous bioscaffolds are two major physical properties that determine therapeutic efficacy...
January 15, 2018: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/29334079/first-heating-measurements-of-endovascular-stents-in-magnetic-particle-imaging
#12
Franz Wegner, Thomas Friedrich, Nikolaos Panagiotopoulos, Sarah Vaalma, Jan Peter Goltz, Florian M Vogt, Martin A Koch, Thorsten M Buzug, Joerg Barkhausen, Julian Haegele
Magnetic Particle Imaging (MPI) is a three-dimensional imaging method which visualizes the spatial distribution of Superparamagnetic Iron Oxide Nanoparticles (SPIOs) with oscillating and static magnetic fields. It is a quantitative method as the intensity of its signal is proportional to the concentration of the SPIOs. Due to its quantitativeness, high temporal resolution and kidney-safe tracers it is proposed to be a very promising noninvasive method for cardiovascular imaging. In this regard MPI in the presence of endovascular stents and assessment of stent patency with MPI has to be evaluated...
January 15, 2018: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/29334038/robotic-assisted-and-image-guided-mri-compatible-stereoelectroencephalography
#13
Jeffery A Hall, Hui Ming Khoo
BACKGROUND: Stereoelectroencephalography has been in regular use at the Montreal Neurological Institute since 1972. The technique has been in constant evolution to incorporate advances in materials, imaging, and robotics technology. MRI-compatible electrodes were introduced in 2007 and robotics in 2011. Here we report on the technique, safety, and advantages of our current method of stereoelectroencephalography implantation. METHODS: We retrospectively reviewed all patients who underwent stereoelectroencephalography by the senior author...
January 2018: Canadian Journal of Neurological Sciences. le Journal Canadien des Sciences Neurologiques
https://www.readbyqxmd.com/read/29333773/-influence-of-positional-relationship-between-the-long-axis-of-the-mandibular-anterior-teeth-and-the-alveolar-bone-on-the-treatment-design-of-dental-implants
#14
Yu Tiantian, Pu Bishuang, Liu Jin, Xia Yulan, Wang Gang, Lan Jing
OBJECTIVE: This study aimed at investigating and measuring the positional relationship between the long axis of the mandibular anterior teeth and the alveolar bone using cone beam computed tomography (CBCT) to provide reference data for implant treatment. METHODS: From the CBCT image database, 150 cases of radiographic data were selected according to the inclusion criteria and then were divided into six groups: males' mandibular central incisors, males' mandibular lateral incisors, males' mandibular canines, females' mandibular central incisors, females' mandibular lateral incisors, and females' mandibular canines...
December 1, 2017: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/29333729/immunoengineering-with-biomaterials-for-enhanced-cancer-immunotherapy
#15
REVIEW
Yu-Qing Xie, Lixia Wei, Li Tang
Cancer immunotherapy has recently shown dramatic clinical success inducing durable response in patients of a wide variety of malignancies. Further improvement of the clinical outcome with immune related cancer treatment requests more exquisite manipulation of a patient's immune system with increased immunity against diseases while mitigating the toxicities. To meet this challenge, biomaterials applied to immunoengineering are being developed to achieve tissue- and/or cell-specific immunomodulation and thus could potentially enhance both the efficacy and safety of current cancer immunotherapies...
January 14, 2018: Wiley Interdisciplinary Reviews. Nanomedicine and Nanobiotechnology
https://www.readbyqxmd.com/read/29333595/implanted-closed-loop-gastric-electrical-stimulation-clges-system-with-sensor-based-feedback-safely-limits-weight-regain-at-24%C3%A2-months
#16
S Morales-Conde, I Alarcón Del Agua, L Busetto, F Favretti, M Anselmino, G M Rovera, M Socas-Macias, A Barranco-Moreno, R Province-Azalde, A J Torres
BACKGROUND: Weight regain following bariatric surgery is not uncommon. Safe, effective weight loss treatment up to 1 year has been reported with the closed-loop gastric electrical stimulation (CLGES) system. Continuous recording of eating and activity behavior by onboard sensors is one of the novel features of this closed-loop electrical stimulation therapy, and may provide improved long-term weight maintenance by enhancing aftercare. METHODS: Four centers participating in a 12-month prospective multicenter randomized study monitored all implanted participants (n = 47) up to 24 months after laparoscopic implantation of a CLGES system...
January 15, 2018: Obesity Surgery
https://www.readbyqxmd.com/read/29333514/what-is-the-fate-of-artificial-urinary-sphincters-among-men-undergoing-repetitive-bladder-cancer-treatment
#17
S Mitchell Heiner, Boyd R Viers, Marcelino E Rivera, Brian J Linder, Daniel S Elliott
Purpose: Functional characteristics and durability of the artificial urinary sphincter (AUS) among patients who develop bladder cancer has been poorly characterized. We sought to evaluate AUS outcomes among patients subsequently diagnosed with bladder cancer, in order to describe device survivability when subject to diagnostic and therapeutic procedures such as cystoscopy, transurethral resection, and cystectomy. Materials and Methods: We retrospectively reviewed 1,803 male patients treated with AUS surgery at a single institution between 1983-2014...
January 2018: Investigative and Clinical Urology
https://www.readbyqxmd.com/read/29333355/bilateral-peripheral-nerve-field-stimulation-for-intractable-coccygeal-pain-a-case-study-using-dual-lead-intercommunication
#18
Michelle Granville, Patrick T Brennan, Robert E Jacobson
Coccygeal pain is a difficult chronic pain problem with mixed response to various treatments. This is a report of a case of coccygeal pain that after failing various conservative and interventional procedures over five years was evaluated with a temporary peripheral sacral fascial lead followed by implantation of bilateral sacral paramedian leads for peripheral nerve field stimulation (PNFS). This resulted in marked pain control and resumption of full activity. The visual analog scale (VAS) pain score improved from eight pre-implant to one after implant and has remained at that level in follow-up...
November 9, 2017: Curēus
https://www.readbyqxmd.com/read/29333354/novel-wavelet-based-segmentation-of-prostate-cbct-images-with-implanted-calypso-transponders
#19
Yingxia Liu, Ziad Saleh, Yulin Song, Maria Chan, Xiang Li, Chengyu Shi, Xin Qian, Xiaoli Tang
Segmentation of prostate Cone Beam CT (CBCT) images is an essential step towards real-time adaptive radiotherapy (ART). It is challenging for Calypso patients, as more artifacts generated by the beacon transponders are present on the images. We herein propose a novel wavelet-based segmentation algorithm for rectum, bladder, and prostate of CBCT images with implanted Calypso transponders. For a given CBCT, a Moving Window-Based Double Haar (MWDH) transformation is applied first to obtain the wavelet coefficients...
August 2017: International Journal of Medical Physics, Clinical Engineering and Radiation Oncology
https://www.readbyqxmd.com/read/29333335/recommendations-for-contraception-examining-the-role-of-patients-age-and-race
#20
Amanda Williams, Kasey Kajiwara, Reni Soon, Jennifer Salcedo, Mary Tschann, Jennifer Elia, Kristin Pauker, Bliss Kaneshiro
The literature suggests that women of different races are more or less likely to use certain contraceptive methods and patient race can influence which contraceptive recommendations a provider makes. To explore whether health care providers treat individuals of different races differently, we conducted a preliminary investigation on whether medical students recommended different contraceptive methods for hypothetical patients presenting with the same clinical features who only varied by race. Third- and fourth-year medical students (n=103) at the University of Hawai'i completed an online survey...
January 2018: Hawai'i Journal of Medicine & Public Health: a Journal of Asia Pacific Medicine & Public Health
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