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https://www.readbyqxmd.com/read/29447894/cochlear-implantation-in-pediatric-patients-with-cockayne-syndrome
#1
Renae D Van Wyhe, Claudia V Emery, Robert A Williamson
Cockayne Syndrome (CS) is a rare, autosomal recessive disorder characterized by a spectrum of phenotypic abnormalities, including progressive sensorineural hearing loss (SNHL) that involves both peripheral and central components. To date, a single series of CS patients undergoing cochlear implant (CI) placement has been reported; this study reports on additional previously unreported pediatric CI recipients. Subjective benefits were noted early after activation in both patients, and speech perception scores improved over time as well, varying from 42 to 70% (versus 0-12% previously)...
March 2018: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/29447314/restoration-of-periodontally-compromised-dentitions-using-telescopic-full-arch-retrievable-prosthesis-supported-by-tooth-implant-combination-a-long-term-retrospective-study
#2
Renzo Guarnieri, Stefano Ippoliti
Advanced periodontal disease is often associated with severe loss of tooth support, necessitating prosthetic rehabilitation to restore function and esthetics. For tooth-supported restorations, periodontally compromised teeth may need to be extracted due to early failure from functional overload. For tooth/implant-supported restorations, implants can be used to reduce the overload on teeth and to avoid tooth extraction, bone augmentation, or other risks associated with implant placement. The aim of this retrospective study was to evaluate the long-term outcomes of full-arch, retrievable, telescopic-retained prostheses (TRPs) on teeth and implants according to survival rate analyses and technical and biologic complications in full-mouth rehabilitation of periodontally compromised dentitions...
March 2018: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/29435764/histochemical-examination-on-the-peri-implant-bone-with-early-occlusal-loading-after-the-immediate-placement-into-extraction-sockets
#3
Yoshiki Ikeda, Tomoka Hasegawa, Tomomaya Yamamoto, Paulo Henrique Luiz de Freitas, Kimimitsu Oda, Akiko Yamauchi, Atsuro Yokoyama
Early and immediate loading of dental implants has become a routine procedure in dental practices throughout the world, but the histological feature of peri-implant bone has not been fully understood. Therefore, we aimed to elucidate the histological response of peri-implant bone bearing the early occlusal loading using rat models. Four-week-old male Wistar rats were subjected to extraction of their maxillary left first molars and had titanium implants inserted immediately into the post-extraction sockets. In experimental groups at 1 week after placement, implants were loaded for 1 or 2 weeks by adding adhesive resin on the top of the screws...
February 12, 2018: Histochemistry and Cell Biology
https://www.readbyqxmd.com/read/29388787/soft-tissue-grafting-techniques-associated-with-immediate-implant-placement
#4
Mark Bishara, Gregori M Kurtzman, Waji Khan, Joseph Choukroun, Richard J Miron
Immediate implant placement often presents challenges in terms of predictably obtaining soft-tissue coverage over the implant site. While delayed implant placement offers the ability for soft tissues to grow and invade the extraction socket making their attachment around implants more predictable, immediate implant placement poses a significant risk of bacterial invasion towards the implant surface as a result of insignificant soft-tissue volume. Soft-tissue grafting techniques have often been proposed for use during immediate implant placement to augment soft-tissue deficiencies, including the use of either palatal connective tissue grafts (CTGs) or collagen-derived scaffolds...
February 2018: Compendium of Continuing Education in Dentistry
https://www.readbyqxmd.com/read/29381882/surgical-accuracy-of-an-early-intervention-knee-implant-instrumentation-system
#5
Mike Lowry, John Buza, James Liu, Heather Rosenbaum, Jessica Lavery, Joseph Bosco, Peter S Walker
Accuracy of component and limb alignment are critical parameters for the long-term success of unicompartmental knee implants. In this study, we performed a laboratory evaluation of an instrumentation system which was designed for an early intervention (EI) type of unicompartmental knee. The accuracy of fit was evaluated by implanting in 20 sawbones full leg models. The overall alignment of the limb was compared pre- and postoperatively. The accuracy of placement of each component on its bone was measured. The mean overall alignment angle in the frontal plane was within 1° of target with less than 1° standard deviation...
January 30, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/29359339/adapting-the-vertical-position-of-implants-with-a-conical-connection-in-relation-with-soft-tissue-thickness-prevents-early-implant-surface-exposure-a-2-year-prospective-intra-subject-comparison
#6
Stijn Vervaeke, Carine Matthys, Rima Nassar, Veronique Christiaens, Jan Cosyn, Hugo De Bruyn
AIM: To evaluate the effect of soft tissue thickness on bone remodeling and to investigate if implant surface exposure can be avoided by adapting the vertical implant position in relation to the soft tissue thickness. MATERIALS&METHODS: Twenty-five patients received two non-splinted implants supporting an overdenture in the mandible. Soft tissue thickness was measured using bone sounding and ultrasonically. One implant was installed equicrestally(control) and the vertical position of the second implant was adapted to the site-specific soft tissue thickness(test)...
January 23, 2018: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/29351671/a-novel-non-invasive-method-for-evaluating-electroencephalograms-on-laying-hens
#7
Krista N Eberle, Michael P Martin, Sanjay Shah, Ramon D Malheiros, Kimberly A Livingston, Kenneth E Anderson
The use of electroencephalograms (EEG) to study the avian brain relative to behavior was conducted as early as the 1960's. EEG readings, combined with visual cues, provide the ability to elucidate and correlate behaviors to neurological and physiological changes in a chicken. The use of EEG recordings in animal models require access to the brain to implant electrodes. Having the ability to observe EEG activity on sensible birds without surgical implantation could broaden the research in this area and give further insight related to the hen's state of awareness...
January 17, 2018: Poultry Science
https://www.readbyqxmd.com/read/29351635/reversibility-of-severe-mitral-valve-regurgitation-after-left-ventricular-assist-device-implantation-single-centre-observations-from-a-real-life-population-of-patients
#8
Monica Dobrovie, Ricardo A Spampinato, Elena Efimova, Jaqueline G da Rocha E Silva, Julia Fischer, Michael Kuehl, Jens-Uwe Voigt, Ann Belmans, Agnieszka Ciarka, Fernanda Bonamigo Thome, Valerie Schloma, Yaroslava Dmitrieva, Sven Lehmann, Jochen Hahn, Elfriede Strotdrees, Friedrich-Wilhelm Mohr, Jens Garbade, Anna L Meyer
OBJECTIVES: This study evaluates the impact of untreated preoperative severe mitral valve regurgitation (MR) on outcomes after left ventricular assist device (LVAD) implantation. METHODS: Of the 234 patients who received LVAD therapy in our centre during a 6-year period, we selected those who had echocardiographic images of good quality and excluded those who underwent mitral valve replacement prior to or mitral valve repair during LVAD placement. The 128 patients selected were divided into 2 groups: Group A with severe MR (n = 65) and Group B with none to moderate MR (n = 63, 28 with moderate MR)...
January 16, 2018: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/29303763/development-of-mirror-pain-following-trigeminal-nerve-injury-a-case-report-and-review-of-neuropathic-mechanisms
#9
James A Giglio, John M Gregg
Following injury to a peripheral nerve, patients may complain of pain over the distribution of the same contralateral nerve, a phenomenon referred to as contralateral pain or mirror pain (MP). Symptoms of MP usually begin after the neuropathic pain from the original nerve injury has become chronic. Chronic neuropathic pain can lead to sensitization and spread of pain. Because the diagnosis of MP can be missed, patients may undergo multiple treatment procedures that prove to be ineffective in relieving the pain...
January 2018: General Dentistry
https://www.readbyqxmd.com/read/29302486/early-multicentre-experience-of-pre-pectoral-implant-based-immediate-breast-reconstruction-using-braxon-%C3%A2
#10
Sadaf Jafferbhoy, Mihir Chandarana, Maria Houlihan, Rishikesh Parmeshwar, Sankaran Narayanan, Soni Soumian, Simon Harries, Lucie Jones, Dayalan Clarke
Background: The last two decades have seen significant changes in surgical management of breast cancer. The offer of immediate breast reconstruction (IBR) following mastectomy is currently standard practice. Skin sparing and nipple sparing mastectomy with implant-based IBR have emerged as oncologically safe treatment options. Prepectoral implant placement and complete coverage of implant with acellular dermal matrix (ADM) eliminates the need to detach the muscle from underlying chest wall in contrast to the subpectoral technique...
December 2017: Gland Surgery
https://www.readbyqxmd.com/read/29302124/extracorporeal-life-support-as-a-rescue-measure-for-managing-life-threatening-arrythmia-and-brugada-syndrome
#11
Asaad G Beshish, Allison Weinberg, Waseem Ostwani, Gabe E Owens
We describe the use of extracorporeal cardiopulmonary resuscitation (E-CPR) to transiently stabilize a 3-month-old patient who presented with ventricular tachyarrhythmias leading to spontaneous cardiac arrest. The patient required 4 days of extracorporeal life support (ECLS) where he was diagnosed with probable Brugada syndrome (BS). The patient was discharged home in stable condition after implantable cardioverter defibrillator placement. This case highlights the importance of early transfer to extracorporeal membrane oxygenation (ECMO) center in the setting of unexplained cardiac arrhythmia in a pediatric patient...
December 2017: Journal of Extra-corporeal Technology
https://www.readbyqxmd.com/read/29286413/standardized-technique-of-aortic-valve-re-implantation-for-valve-sparing-aortic-root-replacement
#12
Reza Tavakoli, Guillaume Lebreton, Max Gassmann, Peiman Jamshidi, Pascal Leprince
Despite the obvious advantages of the preservation of a normal aortic valve during aortic root replacement, the complexity of valve sparing procedures prevents a number of cardiac surgeons from incorporating them into their practice. The aim of this protocol is to describe a simplified and user-friendly technique of an aortic valve-sparing root replacement (VSRR) procedure by re-implantation of the aortic valve. Proper selection of patients and limitations of the technique are discussed. In 54 consecutive patients, normal appearing aortic valves were re-implanted in a commercially available polyester prosthesis with pre-shaped sinuses by a simplified and standardized technique...
December 11, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29283914/cochlear-implantation-after-partial-or-subtotal-cochleoectomy-for-intracochlear-schwannoma-removal-a-technical-report
#13
Stefan K Plontke, Sabrina Kösling, Torsten Rahne
OBJECTIVE: To describe the technique for surgical tumor removal, cochlear implant (CI) electrode placement and reconstruction of the surgical defect in patients with intracochlear schwannomas. STUDY DESIGN: Retrospective case review. SETTING: Tertiary referral center. PATIENTS: Ten patients (five men, five women, mean age 48 ± 12 yr) with profound or severe to profound hearing loss due to intralabyrinthine schwannomas with intracochlear location...
December 27, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/29282404/baerveldt-scleral-patch-graft-abscess-secondary-to-coagulase-negative-staphylococcus
#14
Van Nguyen, Mason Schmutz, Sarah Farukhi, Sameh Mosaed
We report the case of a 69-year-old female who underwent a Baerveldt implant placement for severe-stage primary open-angle glaucoma and developed a bacterial infection of the conjunctiva and abscess of the scleral patch graft with subsequent tube exposure. The infection was identified 3 weeks postoperatively and a topical antibiotic was immediately initiated. A concurrent systemic staphylococcal infection was discovered by an outside physician and oral cephalexin was initiated. Despite antibiotic treatment, the conjunctival erosion progressed, and tube revision was required...
September 2017: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/29274911/selective-implantation-of-durable-left-ventricular-assist-devices-as-primary-therapy-for-refractory-cardiogenic-shock
#15
Amit Pawale, Yosef Schwartz, Shinobu Itagaki, Sean Pinney, David H Adams, Anelechi C Anyanwu
OBJECTIVE: Surgical therapy for refractory primary cardiogenic shock is largely based on emergent placement of extracorporeal membrane oxygenation or short-term ventricular assist devices. We have adopted a strategy of routine implantation of durable left ventricular assist devices (LVAD) as initial therapy for refractory cardiogenic shock, in patients who are potential candidates for heart transplantation, and report our experience. METHODS: Retrospective review of 43 consecutive patients with refractory shock caused by acute myocardial infarction (n = 21) or acute decompensated heart failure (n = 22) who were treated with primary implantation of a durable LVAD in a single institution...
November 21, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29238669/use-of-amnion-chorion-and-umbilical-cord-grafts-in-conjunction-with-penile-implant-procedures
#16
Andrew C Kramer
Biologics have increased in popularity lately as a novel and exciting new therapy for men with a spectrum of sexual dysfunction ailments-ranging from erectile dysfunction, Peyronie's disease, and ejaculatory disorders. In this series, sequential patients were analyzed who received biologic materials at the time of their penile implant surgery, with various metrics assessed. The information gathered includes recovery time, need for postoperative analgesics, and satisfaction with the final outcome. In this study, early metrics appear to point to improved outcomes in select criteria...
November 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/29233522/subcutaneous-implant-based-breast-reconstruction-a-modern-challenge-in-postmastectomy-radiation-planning
#17
Melissa P Mitchell, Jamie Wagner, James Butterworth
PURPOSE: A growing trend in breast reconstruction has been placement of tissue expanders in the pre pectoral space. This is a change from the practice of placement under the pectoralis major with or without an acellular dermal matrix (ADM) sling. The move toward pre pectoral placement with an ADM wrap has the intent of decreasing post-operative pain and decreasing animation deformities. The cosmesis of pre pectoral reconstructions in the setting of post mastectomy radiation has also appeared improved in our early experience, when compared to submuscular reconstructions...
September 8, 2017: Practical Radiation Oncology
https://www.readbyqxmd.com/read/29227449/early-outcomes-with-a-slim-modiolar-cochlear-implant-electrode-array
#18
Jonathan L McJunkin, Nedim Durakovic, Jacques Herzog, Craig A Buchman
OBJECTIVE: To describe outcomes from cochlear implantation with a new, slim modiolar electrode array. STUDY DESIGN: Retrospective cohort study. SETTING: Tertiary referral centers. PATIENTS: Adult cochlear implant candidates. INTERVENTIONS: Cochlear implantation with CI532 (Cochlear Corp). MAIN OUTCOME MEASURES: Pre- and postoperative speech perception scores, operative details, and postoperative computed tomography (CT) reconstructions of array location...
January 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/29215679/accelerated-healing-period-with-hydrophilic-implant-placed-in-sheep-tibia
#19
Suelen Cristina Sartoretto, José de Albuquerque Calasans-Maia, Yanan Osório da Costa, Rafael Seabra Louro, José Mauro Granjeiro, Mônica Diuana Calasans-Maia
The objective of this study was to evaluate the early osseointegration of two different implants surfaces, a sandblasted and acid-etched surface (TN) compared with same geometry and surface roughness modified to be hydrophilic/wettable by conditioning in an isotonic solution of 0.9% sodium-chloride (TA) through histological and histomorphometric analysis after sheep tibia implantation. Forty dental implants, divided in two groups (TN and TA) were placed in the left tibia of twenty healthy, skeletally mature Santa Ines sheep (n=5/experimental period)...
September 2017: Brazilian Dental Journal
https://www.readbyqxmd.com/read/29210774/liberal-right-ventricular-assist-device-extracorporeal-membrane-oxygenation-support-for-right-ventricular-failure-after-implantable-left-ventricular-assist-device-placement
#20
Quentin Fischer, Matthias Kirsch
Refractory right ventricular failure (RVF) after implantation of left ventricular assist device (LVAD) is a dramatic complication. The addition of right ventricular assist device (RVAD) may improve RV recovery and lead to improve outcomes. From February 2012 to September 2014, 44 patients received a HeartMate II. These patients were retrospectively compared in two groups according to early liberal implantation of an extracorporeal membrane oxygenation (ECMO) used as a RVAD established between a femoral vein and the pulmonary artery...
November 27, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
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