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Implant management

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https://www.readbyqxmd.com/read/28230584/microsurgical-replantation-of-total-avulsed-scalp-extending-the-limits
#1
Yunbo Jin, Chen Hua, Xiaojie Hu, Hui Chen, Gang Ma, Yun Zou, Bin Chen, Dongze Lyu, Mathias Tremp, Xiaoxi Lin
BACKGROUND: Avulsion of the scalp is a rare but severe trauma and challenging to the reconstructive surgeon. It poses not only physical concussion but also significant persisting psychological distress to the patients. METHODS: Medical records from 5 patients who suffered scalp avulsion were reviewed retrospectively. The following data and methods were assessed: age, number of vessels repaired, method of replantation, vein grafts required, blood transfusion, ischemia time, total operating time, and percentage of scalp survival...
February 22, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28229483/venous-hemodialysis-catheters-and-cardiac-implantable-electronic-devices-avoiding-a-high-risk-combination
#2
EDITORIAL
Theodore F Saad, Henry L Weiner
End-stage renal disease is frequently accompanied by cardiac comorbidity that warrants treatment with a cardiovascular implantable electronic device (permanent pacemaker or implantable cardioverter-defibrillator). In the United States, chronic hemodialysis (HD) population, cardiac implantable devices are present in up to 10.5% of patients; a venous HD catheter is utilized for blood access in 18% of prevalent patients. The concomitant presence of a venous HD catheter and cardiovascular implantable device creates a high-risk circumstance, with potential for causing symptomatic central venous stenosis, and for developing complicated endovascular infection...
February 23, 2017: Seminars in Dialysis
https://www.readbyqxmd.com/read/28228121/bleb-failure-and-intraocular-pressure-rise-following-nd-yag-laser-capsulotomy
#3
Andreas Diagourtas, Petros Petrou, Ilias Georgalas, Kostantinos Oikonomakis, Panagiotis Giannakouras, Athanasios Vergados, Dimitrios Papaconstantinou
BACKGROUND: To report the negative effect of Nd: Yag (Neodymium-doped: Yttrium Aluminium Garnet) laser capsulotomy on the intraocular pressure (IOP) and the trabeculectomy bleb integrity, in a small series of eyes, both trabeculectomised and pseudophakic, following the laser application for the management of posterior capsular opacification (PCO). METHODS: This is a retrospective, non-comparative interventional case series study, in which 20 trabeculectomised and pseudophakic eyes from 15 patients, with otherwise well functioning blebs, were presented with uncontrolled IOP, in a variable distance of time following the application of YAG laser capsulotomy...
February 22, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28227442/low-cost-rapid-prototyping-of-liquid-crystal-polymer-based-magnetic-microactuators-for-glaucoma-drainage-devices
#4
Hyunsu Park, Simon John, Hyowon Lee, Hyunsu Park, Simon John, Hyowon Lee, Simon John, Hyowon Lee, Hyunsu Park
Glaucoma is one of the leading causes of blindness in the world. Although there is no cure for glaucoma, pharmaceutical or surgical interventions are known to delay the progression of this debilitating disease. In recent years, implantation of glaucoma drainage devices (GDD) have increased due to their ability to manage IOP better than other therapeutic approaches. However, only 50% of the implanted devices remain functional after 5 years often due to biofouling. Here, we report our latest progress towards developing self-clearing GDDs using integrated magnetic microactuators...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227145/towards-an-implantable-bio-sensor-platform-for-continuous-real-time-monitoring-of-anti-epileptic-drugs
#5
Abbas Hammoud, Ahmad Chamseddine, Dang K Nguyen, Mohamad Sawan, Abbas Hammoud, Ahmad Chamseddine, Dang K Nguyen, Mohamad Sawan, Mohamad Sawan, Abbas Hammoud, Dang K Nguyen
The need of continuous real-time monitoring device for in-vivo drug level detection has been widely articulated lately. Such monitoring could guide drug posology and timing of intake, detect low or high drug levels, in order to take adequate measures, and give clinicians a valuable window into patients' health and their response to therapeutics. This paper presents a novel implantable bio-sensor based on impedance measurement capable of continuously monitoring various antiepileptic drug levels. This portable point-of-care microsystem replaces large and stationary conventional macrosystems, and is a one of a kind system designed with an array of electrodes to monitor various anti-epileptic drugs rather than one drug...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226904/optimal-wireless-receiver-structure-for-omnidirectional-inductive-power-transmission-to-biomedical-implants
#6
Hesam Sadeghi Gougheri, Mehdi Kiani, Hesam Sadeghi Gougheri, Mehdi Kiani, Hesam Sadeghi Gougheri, Mehdi Kiani
In order to achieve omnidirectional inductive power transmission to biomedical implants, the use of several orthogonal coils in the receiver side (Rx) has been proposed in the past. In this paper, the optimal Rx structure for connecting three orthogonal Rx coils and the power management is found to achieve the maximum power delivered to the load (PDL) in the presence of any Rx coil tilting. Unlike previous works, in which a separate power management has been used for each coil to deliver power to the load, different resonant Rx structures for connecting three Rx coils to a single power management are studied...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226898/inductive-passive-sensor-for-intraparenchymal-and-intraventricular-monitoring-of-intracranial-pressure
#7
Mohammad H Behfar, Emily Abada, Lauri Sydanheimo, Ken Goldman, Aaron J Fleischman, Nalin Gupta, Leena Ukkonen, Shuvo Roy, Mohammad H Behfar, Emily Abada, Lauri Sydanheimo, Ken Goldman, Aaron J Fleischman, Nalin Gupta, Leena Ukkonen, Shuvo Roy, Lauri Sydanheimo, Aaron J Fleischman, Leena Ukkonen, Mohammad H Behfar, Nalin Gupta, Shuvo Roy, Ken Goldman, Emily Abada
Accurate measurement of intracranial hypertension is crucial for the management of elevated intracranial pressure (ICP). Catheter-based intraventricular ICP measurement is regarded as the gold standard for accurate ICP monitoring. However, this method is invasive, time-limited, and associated with complications. In this paper, we propose an implantable passive sensor that could be used for continuous intraparenchymal and intraventricular ICP monitoring. Moreover, the sensor can be placed simultaneously along with a cerebrospinal fluid shunt system in order to monitor its function...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28225821/correction-etiology-and-management-of-raised-intraocular-pressure-following-posterior-chamber-phakic-intraocular-lens-implantation-in-myopic-eyes
#8
Sirisha Senthil, Nikhil S Choudhari, Pravin K Vaddavalli, Somasheila Murthy, Jagadesh C Reddy, Chandra S Garudadri
[This corrects the article DOI: 10.1371/journal.pone.0165469.].
2017: PloS One
https://www.readbyqxmd.com/read/28222965/ventricular-arrhythmias-and-sudden-death-in-tetralogy-of-fallot
#9
REVIEW
Philippe Maury, Frederic Sacher, Anne Rollin, Pierre Mondoly, Alexandre Duparc, Katja Zeppenfeld, Sebastien Hascoet
Malignant ventricular arrhythmias and sudden cardiac death may late happen in repaired tetralogy of Fallot, although probably less frequently than previously thought, especially with the advent of new surgical techniques/management. Ventricular tachycardias are caused by reentry around the surgical scars/patches and valves. Many predictive factors have been proposed, which suffer from poor accuracy. There is currently no recommended indication for prophylactic implantable cardioverter defibrillator implantation-except maybe in the case of multiple risk factors-while radiofrequncy ablation may be proposed in secondary prevention with or even without a back-up implantable cardioverter defibrillator in selected cases...
February 17, 2017: Archives of Cardiovascular Diseases
https://www.readbyqxmd.com/read/28222867/prosthodontic-treatment-of-a-retrognathic-edentulous-maxilla-demonstrating-limited-interarch-distance-3-5-year-results-with-fixed-and-removable-implant-prostheses
#10
Won-Suk Oh, Furat George, Ju-Mi Park
The prosthodontic treatment of patients with a retrognathic edentulous maxilla should consider the restoration of the lower facial profile and access for oral hygiene. This clinical report describes prosthodontic treatments of a patient with edentulism who presented with repeated fractures of the denture teeth of a maxillary implant-supported complete fixed dental prosthesis (ICFDP) and a mandibular implant-supported overdenture. Considerable plaque accumulation was noted on the ICFDP, which was replaced with an open palatal design implant-supported overdenture...
February 17, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28222711/pseudophakic-ametropia-management-with-toric-implantable-collamer-lens-with-a-central-hole-case-report
#11
Xun Chen, Xiaoying Wang, Xingtao Zhou
BACKGROUND: To report the clinical outcomes of correcting pseudophakic ametropia using toric implantable collamer lens with a 360 um central hole (TICL V4c). CASE PRESENTATION: The right eye of a 22-year-old male patient developed high myopia after unilateral phacoemulsification and intraocular lens (IOL) implantation following traumatic cataract 16 years ago. The manifest refraction was -11.50 DS/-2.50 DC × 175 with an uncorrected distance visual acuity (UDVA) of 20/2000 and a corrected distance visual acuity (CDVA) of 20/20...
February 21, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28221245/an-articulating-antibiotic-cement-spacer-for-first-stage-reconstruction-for-infected-total-elbow-arthroplasty
#12
Kanishka E Williams, Simon MacLean, Jesse Jupiter, Gregory I Bain
Management of an infected total elbow replacement is a significant clinical challenge. Although preservation of the prosthesis is ideal, a 2-stage revision is often necessary. Unlike lower limb arthroplasty, antibiotic spacers are not commercially available. Monoblock cement spacers do not allow elbow movements and are therefore associated with severe stiffness and scarring, leading to poor clinical outcomes. In our paper we present a simple and novel technique for constructing an articulating antibiotic-impregnated spacer for use as an implant for a 1-stage revision of an infected elbow arthroplasty...
February 17, 2017: Techniques in Hand & Upper Extremity Surgery
https://www.readbyqxmd.com/read/28221172/interventional-pulmonology-in-chronic-obstructive-pulmonary-disease
#13
Daniela Gompelmann, Nilab Sarmand, Felix J F Herth
PURPOSE OF REVIEW: Chronic obstructive pulmonary disease (COPD) and emphysema are widespread diseases associated with progressive dyspnea because of airflow limitation and hyperinflation. Fundamental therapeutic strategies consist of pulmonary rehabilitation, pharmacotherapy, long-term oxygen therapy, noninvasive ventilation, and surgical therapeutic approaches. RECENT FINDINGS: In the last 14 years, endoscopic therapeutic modalities emerged as a substantial part of severe COPD and emphysema treatment...
February 17, 2017: Current Opinion in Pulmonary Medicine
https://www.readbyqxmd.com/read/28220823/treatment-of-stress-urinary-incontinence-in-men-with-spinal-cord-injury-minimally-invasive-minimally-effective
#14
J Pannek, J Wöllner
STUDY DESIGN: Retrospective chart review. OBJECTIVES: To assess the outcome of minimally invasive treatment of stress urinary incontinence with alloplastic slings in patients with neurogenic lower urinary tract dysfunction. SETTING: Switzerland. METHODS: The patient database of a tertiary urologic referral center was screened for male patients with SCI who underwent implantation of a suburethral sling between June 2009 and December 2015...
February 21, 2017: Spinal Cord
https://www.readbyqxmd.com/read/28220752/putting-3d-modelling-and-3d-printing-into-practice-virtual-surgery-and-preoperative-planning-to-reconstruct-complex-post-traumatic-skeletal-deformities-and-defects
#15
Kevin Tetsworth, Steve Block, Vaida Glatt
3D printing technology has revolutionized and gradually transformed manufacturing across a broad spectrum of industries, including healthcare. Nowhere is this more apparent than in orthopaedics with many surgeons already incorporating aspects of 3D modelling and virtual procedures into their routine clinical practice. As a more extreme application, patient-specific 3D printed titanium truss cages represent a novel approach for managing the challenge of segmental bone defects. This review illustrates the potential indications of this innovative technique using 3D printed titanium truss cages in conjunction with the Masquelet technique...
2017: SICOT-J
https://www.readbyqxmd.com/read/28219895/impact-of-practice-based-management-of-pa-pressures-in-2000-patients-implanted-with-the-cardiomems-sensor
#16
J Thomas Heywood, Rita Jermyn, David Shavelle, William T Abraham, Arvind Bhimaraj, Kunjan Bhatt, Fareed Sheikh, Eric Eichorn, Sumant Lamba, Rupinder Bharmi, Rahul Agarwal, Charisma Kumar, Lynne W Stevenson
Background -Elevated pulmonary artery (PA) pressures in patients with heart failure (HF) are associated with a high risk for hospitalization and mortality. Recent clinical trial evidence demonstrated a direct relationship between lowering remotely monitored PA pressures and HF hospitalization risk reduction using a novel implantable PA pressure monitoring system (CardioMEMS HF System, St Jude Medical). This study examines PA pressure changes in the first 2,000 US patients implanted in general practice use. Methods -De-identified data from the remote monitoring Merlin...
February 20, 2017: Circulation
https://www.readbyqxmd.com/read/28219567/contraceptive-implant-embolism-into-the-pulmonary-artery-thoracoscopic-retrieval
#17
Pascal A Thomas, Donatella Di Stefano, Cécile Couteau, Xavier Benoît D'Journo
An 18-year old woman had migration of a subdermal contraceptive implant in a subsegmental branch of her left lower lobe pulmonary artery. She was managed successfully through a conservative surgical approach, as the implant was removed from the pulmonary artery thoracoscopically, thereby avoiding the need of thoracotomy or lung resection.
March 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28218014/bilateral-otoneurological-pathology-to-operate-or-not
#18
Shivun Khosla, Matthew Elliot, Neil Donnelly
OBJECTIVE: To illustrate our experience when managing a complex patient with potentially life-threatening bilateral otological disease facing multisensory compromise including complete loss of audiovestibular function and visual disturbance Clinical presentation: A 67 year old lady, presented with a large left vestibular schwannoma and extensive right cholesteatoma encircling the otic capsule. She underwent translabyrinthine resection of the vestibular schwannoma, resulting in profound sensorineural hearing loss, vestibular hypofunction and corneal scarring following an initial temporary facial palsy...
February 20, 2017: Cochlear Implants International
https://www.readbyqxmd.com/read/28217220/identification-and-management-of-right-ventricular-perforation-using-pacemaker-and-cardioverter-defibrillator-leads-a-case-series-and-mini-review
#19
REVIEW
Mohammad Ali Akbarzadeh, Reza Mollazadeh, Salma Sefidbakht, Soraya Shahrzad, Negar Bahrololoumi Bafruee
Right ventricular perforation is a rare but serious complication of permanent pacemaker and implantable cardioverter-defibrillator implantation, with a reported prevalence rate of 0.1-6%. Generally, there is a high incidence of asymptomatic lead perforation with otherwise normal function. Some patients present with a stabbing chest pain and shortness of breath or pacemaker malfunction. However, in some cases, tamponade or adjacent tissue injury may be seen. The exact risk factors for lead perforation are not yet clear...
February 2017: Journal of Arrhythmia
https://www.readbyqxmd.com/read/28216816/awkward-defects-around-the-elbow-the-radial-recurrent-artery-flap-revisited
#20
Maksud M Devale, Rohit P Munot, Chirag A Bhansali, Neeraj D Bhaban
BACKGROUND: Soft tissue defects on the posterior aspect of the elbow are commonly seen in patients treated with internal fixation for fractures around the elbow joint. An axial flap based on the radial recurrent artery (RRA) is very useful for such defects, especially if a posterior midline arm incision has been taken for skeletal fixation. The aim of this study is to describe the usefulness of RRA flap (based on the RRA) in the management of such defects. MATERIALS AND METHODS: We present a retrospective analysis of 4 cases managed with the RRA flap for soft tissue reconstruction of defects around the elbow joint at our institute from January 2015 to August 2016...
September 2016: Indian Journal of Plastic Surgery: Official Publication of the Association of Plastic Surgeons of India
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