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Sinus Implant

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https://www.readbyqxmd.com/read/28747938/computed-tomography-angiography-for-imaging-results-of-neochordal-mitral-valve-repair
#1
Radosław Zwoliński, Anna Marcinkiewicz, Konrad Szymczyk, Jarosław Drożdż, Ryszard Jaszewski, Bogdan Jegier
INTRODUCTION: Degenerative mitral regurgitation is currently the most frequent indication for mitral valve repair. AIM: To visualize and assess the mid-term results of mitral valve repair with neochordae implantation, using computed tomography angiography (CTA) imaging. MATERIAL AND METHODS: The CTA with ECG gating and without modulation was applied in 10 patients to assess the results of a mitral valve sparing procedure. The results of 3 patients are presented...
June 2017: Kardiochirurgia i Torakochirurgia Polska, Polish Journal of Cardio-Thoracic Surgery
https://www.readbyqxmd.com/read/28745027/histologic-and-histomorphometric-assessment-of-sinus-floor-augmentation-with-beta-tricalcium-phosphate-alone-or-in-combination-with-pure-platelet-rich-plasma-or-platelet-rich-fibrin-a-randomized-clinical-trial
#2
Songül Cömert Kılıç, Metin Güngörmüş, Seçil Nazife Parlak
BACKGROUND: The potential effects of adding pure platelet-rich plasma (P-PRP) or platelet-rich fibrin (PRF) to beta-tricalcium phosphate (β-TCP) graft substitute on bone formation and regeneration after maxillary sinus-floor elevation remains unclear. PURPOSE: To compare the histologic and histomorphometric outcomes of maxillary sinus-floor augmentation among β-TCP alone, P-PRP-mixed β-TCP, and PRF-mixed β-TCP. MATERIAL AND METHODS: In this randomized clinical trial, elevated sinus cavities were grafted with β-TCP (the control group), P-PRP-mixed β-TCP (the P-PRP group), and PRF-mixed β-TCP (PRF group)...
July 26, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28742649/thoracoscopic-implantation-of-an-array-electrode-in-the-pericardium-transverse-sinus-to-reduce-defibrillation-threshold
#3
Antonio Curnis, Claudio Muneretto, Gianluigi Bisleri, Manuel Cerini, Lorenza Inama, Francesca Salghetti, Raffaella De Vito, Laura Giroletti, Fabrizio Rosati, Daniele Giacopelli, Francesca Vassanelli, Luca Bontempi
Among the implantable cardioverter defibrillator recipients, there is still a subgroup of patients in whom the defibrillation threshold is too high and the maximal shock output of the implantable cardioverter defibrillator can fail to terminate a ventricular arrhythmia. We report a new thoracoscopic minimally invasive approach to place a standard array electrode in the transverse pericardial sinus of a patient implanted with a cardiac resynchronization and defibrillation therapy device with persistent high defibrillation threshold...
July 25, 2017: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/28741276/the-use-of-a-biphasic-calcium-phosphate-in-a-maxillary-sinus-floor-elevation-procedure-a-clinical-radiological-histological-and-histomorphometric-evaluation-with-9-and-12-month-healing-times
#4
W F Bouwman, N Bravenboer, J W F H Frenken, C M Ten Bruggenkate, E A J M Schulten
BACKGROUND: This study evaluates the clinical, radiological, histological, and histomorphometric aspects of a fully synthetic biphasic calcium phosphate (BCP) (60% hydroxyapatite and 40% ß-tricalcium phosphate), used in a human maxillary sinus floor elevation (MSFE) procedure with 9- and 12-month healing time. METHODS: A unilateral MSFE procedure, using 100% BCP, was performed in two series of five patients with healing times of 9 and 12 months respectively. Clinical and radiological parameters were measured up to 5 years postoperatively...
December 2017: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/28734025/dual-site-right-ventricular-pacing-in-patients-undergoing-cardiac-resynchronization-therapy-results-of-a-multicentre-propensity-matched-analysis
#5
Rui Providencia, Sergio Barra, Nikolaos Papageorgiou, Adam Ioannou, Dominic Rogers, Tanakal Wongwarawipat, Debbie Falconer, Rudolf Duehmke, Martina Colicchia, Girish Babu, Oliver R Segal, Simon Sporton, Mehul Dhinoja, Syed Ahsan, Vivienne Ezzat, Edward Rowland, Martin Lowe, Pier D Lambiase, Sharad Agarwal, Anthony W Chow
BACKGROUND: Dual RV has been proposed as an alternative for patients with heart failure undergoing cardiac resynchronization therapy (CRT) with a failure to deliver a coronary sinus (CS) lead. Only short-term haemodynamic and echocardiographic results of Dual RV are available. We aimed to assess the long-term results of Dual-site right ventricular pacing (Dual RV) and its impact on survival. METHODS: Multicentre retrospective assessment of all CRT implants during a 12-year period...
July 21, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28732581/short-implants-may-yield-similar-clinical-outcomes-as-sinus-grafting-plus-long-implants-at-3-years
#6
Tahira Devji
No abstract text is available yet for this article.
July 17, 2017: Journal of the American Dental Association
https://www.readbyqxmd.com/read/28728742/a-clinical-score-model-to-predict-lethal-events-in-young-patients-%C3%A2-19-years-with-the-brugada-syndrome
#7
M Cecilia Gonzalez Corcia, Juan Sieira, Gudrun Pappaert, Carlo de Asmundis, Gian Battista Chierchia, Andrea Sarkozy, Pedro Brugada
Risk stratification in Brugada syndrome in young patients remains challenging. We investigated the clinical characteristics, prognosis, and risk in young patients with the Brugada syndrome. We studied 95 patients with the Brugada syndrome aged ≤19 years. The median age at diagnosis was 12.9 years. The clinical presentation was sudden cardiac death in 7% and syncope in 21%. The remaining 72% were asymptomatic at diagnosis. Electrical abnormalities were present in 36%, including spontaneous type I electrocardiogram (12%), sinus node dysfunction (9%), atrioventricular block (17%), intraventricular conduction delay (16%), and atrial arrhythmias (8%)...
June 15, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28728260/-clinical-analysis-of-pacing-therapy-and-treatment-of-complications-during-follow-up-in-children
#8
P J Zhao, Y W Chen, F Li, Y Li, J P Yang, J J Wu
Objective: To analyze characteristics of permanent pacemaker implantation in children as well as treatment and prognosis of complications. Method: Clinical data of children who underwent endocardial or epicardial permanent pacemaker implantation between April 2000 and June 2016 in Shanghai Xinhua Hospital and Shanghai Children's Medical Center were analyzed retrospectively. These patients were discharged 5 days after implantation. Electrocardiogram, chest X ray, echocardiography and pacemaker programming were performed during follow-up...
July 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28727618/clinical-study-of-bone-regeneration-by-conditioned-medium-from-mesenchymal-stem-cells-after-maxillary-sinus-floor-elevation
#9
Wataru Katagiri, Junna Watanabe, Naoto Toyama, Masashi Osugi, Kohei Sakaguchi, Hideharu Hibi
OBJECTIVE: This clinical study was undertaken to evaluate the safety of use of the secretome of bone marrow-derived mesenchymal stem cells (MSC-CM) for maxillary sinus floor elevation (SFE). MATERIALS AND METHODS: MSC-CM was prepared from conditioned medium from human bone marrow-derived MSCs. Six partially edentulous patients were enrolled in the study. MSC-CM was mixed with porous beta-tricalcium phosphate (β-TCP) and implanted in 4 patients (experimental group), whereas only β-TCP was implanted in the other 2 patients (control group)...
August 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28724752/the-fluid-mechanics-of-transcatheter-heart-valve-leaflet-thrombosis-in-the-neo-sinus
#10
Prem A Midha, Vrishank Raghav, Rahul Sharma, Jose F Condado, Ikechukwu U Okafor, Tanya Rami, Gautam Kumar, Vinod H Thourani, Hasan Jilaihawi, Vasilis Babaliaros, Raj R Makkar, Ajit P Yoganathan
Background -Transcatheter heart valve (THV) thrombosis has been increasingly reported. In these studies, thrombus quantification has been based on 2D assessment of a 3D phenomenon. Methods -Post-procedural four-dimensional, volume-rendered CT (4DCT) data of CoreValve, Evolut R, and SAPIEN 3 transcatheter aortic valve replacement (TAVR) patients enrolled in the RESOLVE trial were included in this analysis. Patients on anticoagulation were excluded. SAPIEN 3 and CoreValve/Evolut R patients with and without hypo-attenuated leaflet thickening (HALT) were included in order to study differences between groups...
July 19, 2017: Circulation
https://www.readbyqxmd.com/read/28719569/stress-analysis-of-zygomatic-implants-on-the-augmented-maxillary-sinus-is-it-necessary-to-graft
#11
Süleyman Kaman, Fethi Atıl, Umut Tekin, Ozkan Ozgul, Mustafa Ercument Önder, Seda Yılmaz, Hamiyet Gungor, Ismail Doruk Kocyigit
PURPOSE: Zygomatic implants are becoming an ideal therapy with advanced implant-supported prosthetic treatment for the posterior atrophic maxilla. The purpose of this study is to examine the quantity and distribution of stress, which was caused by zygomatic implants placed using intrasinus method with or without augmentation to the atrophic posterior maxilla. MATERIALS & METHODS: In this study, 3-dimensional atrophic edentulous maxilla models with and without sinus augmentation are designed with computer-aided programs...
July 17, 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28716179/surgical-treatment-of-chronic-rhinosinusitis-after-sinus-lift
#12
Nicole Tin-Lok Jiam, Andrew N Goldberg, Andrew H Murr, Steven D Pletcher
BACKGROUND: The sinus lift (or sinus augmentation) is a common procedure to improve maxillary bone stock before dental implantation. Chronic rhinosinusitis (CRS) is a potential complication of this procedure and may be refractory to medical treatment. Functional endoscopic sinus surgery has previously been used to address CRS, however, results of previous studies indicated that implant removal is required. There are limited follow-up data available. OBJECTIVE: The purpose of this study was to characterize the long-term outcomes and efficacy of endoscopic sinus surgery for refractory CRS after sinus lift, including the ability to salvage dental implants...
July 1, 2017: American Journal of Rhinology & Allergy
https://www.readbyqxmd.com/read/28705257/single-stage-transforaminal-decompression-debridement-interbody-fusion-and-posterior-instrumentation-for-lumbosacral-brucellosis
#13
Yakefu Abulizi, Wei-Dong Liang, Aikeremujiang Muheremu, Maierdan Maimaiti, Wei-Bin Sheng
BACKGROUND: Spinal brucellosis is a less commonly reported infectious spinal pathology. There are few reports regarding the surgical treatment of spinal brucellosis in existing literature. This retrospective study was conducted to determine the effectiveness of single-stage transforaminal decompression, debridement, interbody fusion, and posterior instrumentation for lumbosacral spinal brucellosis. METHODS: From February 2012 to April 2015, 32 consecutive patients (19 males and 13 females, mean age 53...
July 14, 2017: BMC Surgery
https://www.readbyqxmd.com/read/28698758/maxillary-sinus-augmentation-using-a-titanium-mesh-a-randomized-clinical-trial
#14
Khalid Bahaa-Eldin, Basma Mostafa, Sherine Nasry, Ahmed Reda, Mona Shoeib
BACKGROUND: Various attempts have been implemented using different materials and techniques to augment the maxillary sinus floor for prospect dental implant positioning. AIM: This contemplate was conducted to assess the osteogenic capability of the maxillary sinus in a two-step sinus membrane elevation using titanium mesh to keep the formed space to place dental implants in atrophic ridges. MATERIALS AND METHODS: Titanium micromesh was customized and positioned into the sinus on one side to preserve the elevated membrane in position...
June 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28698087/computational-fluid-dynamics-simulation-of-hemodynamic-alterations-in-sigmoid-sinus-diverticulum-and-ipsilateral-upstream-sinus-stenosis-after-stent-implantation-in-patients-with-pulsatile-tinnitus
#15
Yanjing Han, Qingqing Yang, Zeran Yang, Jun Xia, Tianhao Su, Long Jin, Aike Qiao, Jianan Yu
OBJECTIVE: To investigate the relationships between upstream venous sinus stenosis and pulsatile tinnitus (PT), and to assess the correlation with diverticulum growth and the effectiveness of stent implantation METHODS: A patient-specific geometric models were constructed using computed tomography venography images from a patient with PT with sigmoid sinus diverticulum(SSD) and upstream transverse sinus stenosis, in whom stenting of the upstream sinus stenosis alone achieved complete remission of PT...
July 8, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28696960/sinus-floor-augmentation-with-ambient-blood-and-an-absorbable-collagen-sponge-a-prospective-pilot-clinical-study
#16
Antoine Berberi, Nabih Nader, Rita Bou Assaf, Hussein Fayyad-Kazan, Saad Khairalah, Nabil Moukarzel
PURPOSE: The aim of this study was to clinically, radiologically, and histologically evaluate a sinus augmentation technique using a resorbable collagen sponge to maintain space between the Schneiderian membrane and the residual crestal bone. MATERIALS AND METHODS: Patients with partially edentulous maxillae were clinically and radiographically evaluated for implant placement. A total of 10 consecutive patients with the bone height for implant placement (<4.0 mm) were enrolled in the study...
July 10, 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28694398/renal-sympathetic-denervation-assisted-treatment-of-electrical-storm-due-to-polymorphic-ventricular-tachycardia-in-a-patient-with-cathecolaminergic-polymorphic-ventricular-tachycardia
#17
Tolga Aksu, Tümer Erdem Güler, Kazım Serhan Özcan, Serdar Bozyel, Kıvanç Yalın
Electrical storm (ES) is not a rare clinical entity. Sympathetic hyperactivity may play critical role in development and continuation of ES. Some recent reports have demonstrated that catheter-based renal sympathetic denervation (RSD) may reduce sympathetic activation and have a potential role in reducing arrhythmic burden. A 46-year-old man was admitted to clinic with frequent implantable cardioverter defibrillator shocks and ES related to catecholaminergic polymorphic ventricular tachycardia (VT). Tachycardia was unresponsive to administration of beta-blockers, verapamil, and flecainide...
July 2017: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/28682147/predictors-of-future-arrhythmic-events-in-patients-with-unexplained-syncope
#18
Dirk Prochnau, Tobias Lambert, Holger Sigusch, Ralf Surber, Paul Christian Schulze
AIMS: The purpose of this study was to examine the usefulness of implantable loop recorders (ILRs) for symptom-rhythm correlation and to identify predictors of future arrhythmic events. PATIENTS AND METHODS: In our dual-centre study, we analysed ILR data of 189 patients (mean age 67.4 ± 15.2 years, 114 male) with unexplained syncope (single syncope 21 patients, recurrent 168 patients, traumatic injury 43 patients). Patients had severe comorbidities such as hypertension (n = 127), coronary artery disease (n = 31), diabetes mellitus (n = 33) and chronic renal insufficiency (n = 18)...
July 6, 2017: Acta Cardiologica
https://www.readbyqxmd.com/read/28681248/sinus-floor-elevation-using-implants-coated-with-recombinant-human-bone-morphogenetic-protein-2-micro-computed-tomographic-and-histomorphometric-analyses
#19
Daniel S Thoma, So-Ra Yoon, Jae-Kook Cha, Hyun-Chang Lim, Jung-Seok Lee, Seong-Ho Choi, Ui-Won Jung
OBJECTIVES: The objective of this study was to determine the validity of a graft-free sinus floor elevation (SFE) procedure with simultaneous placement of recombinant morphogenetic protein-2 (rhBMP-2)-coated implants compared to uncoated control implants. METHODS: In 10 rabbits, SFE was performed on both sides. Dental implants were randomly placed in the sinus filled with a blood clot. Test implants were coated with rhBMP-2, whereas in the control group, implants were uncoated...
July 6, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28676183/preclinical-efficacy-and-safety-of-kcnh2-g628s-gene-therapy-for-postoperative-atrial-fibrillation
#20
Zhao Liu, Julie A Hutt, Barur Rajeshkumar, Yoshihiro Azuma, Kailai L Duan, J Kevin Donahue
BACKGROUND: Postoperative atrial fibrillation (POAF) is the most common complication occurring after cardiac surgery. Multiple studies have shown significantly increased risks of stroke, myocardial infarction, and death associated with POAF. Current prophylaxis strategies are inadequate to eliminate this problem. We examined the preclinical efficacy and safety of KCNH2-G628S gene transfer to prevent POAF. METHODS: Domestic pigs received AdKCNH2-G628S by epicardial atrial gene painting and atrial pacemaker implantation for continuous-burst pacing to induce atrial fibrillation...
May 23, 2017: Journal of Thoracic and Cardiovascular Surgery
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