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https://read.qxmd.com/read/30779821/volumetric-analysis-of-allogenic-and-xenogenic-bone-substitutes-used-in-maxillary-sinus-augmentations-utilizing-cone-beam-ct-a-prospective-randomized-pilot-study
#1
Daliah Salem, Abdulmonem Alshihri, Emilio Arguello, Ronald E Jung, Hamed A Mohmed, Bernard Friedland
PURPOSE: The purpose of this prospective randomized clinical pilot study was to compare the three-dimensional changes of grafted maxillary sinuses when deproteinized bovine bone (DBB) or cortical mineralized allogeneic bone (MAB) was used. MATERIALS AND METHODS: Seventeen patients were randomly assigned to receive either DBB or MAB for lateral-approach maxillary sinus augmentation. Cone beam computed tomography (CBCT) scans were performed preoperatively (T0), immediately after (T1), and at approximately 6 months posthoperatively (T2)...
February 19, 2019: International Journal of Oral & Maxillofacial Implants
https://read.qxmd.com/read/30772873/-giant-aneurysm-of-the-left-sinus-of-valsalva-accompanied-by-left-main-coronary-artery-compression-myocardial-ischemia-pericardial-tamponade
#2
Hiroshi Okamoto, Yasuyuki Fujimoto
Left sinus of Valsalva aneurysm(SVAn)is a very rare clinical entity. We present a 68-year-old female with left SVAn, 5 cm in diameter, compressing the left main coronary artery and causing antero-septal asynergy. She also had massive pericardial effusion, moderate to severe(grade Ⅲ)aortic regurgitation, and mitral regurgitation. One month after pericardial drainage, the patient successfully underwent composite graft replacement of the aortic root, reimplantation of the right coronary artery and suture closure of thin friable left main trunk(LMT)orifice, as well as double coronary artery bypass grafting with bilateral internal mammary arteries to the left anterior descending artery and the diagonal branch...
February 2019: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://read.qxmd.com/read/30745927/severe-bradycardia-prior-to-coronary-artery-bypass-graft-surgery-a-case-report
#3
Amer Harky, Mohamad Bashir, Ciaran Grafton-Clarke, Martin Lees, Sarah Fendius, Neil Roberts
Intraventricular conduction abnormalities following cardiac surgery have been thoroughly described, especially after valvular surgery. It is also widely known that several anesthetic factors can cause autonomic disturbances resulting in the unmasking of sinus node dysfunction, significant bradycardia, and cardiovascular collapse during the intraoperative period. However, little is known about asymptomatic episodes, especially those occurring prior to coronary artery bypass grafting (CABG). We report a rare occurrence of an intraventricular conduction defect that presented in an asymptomatic patient following non-ST-elevation myocardial infarction prior to urgent CABG...
July 2018: Journal of Tehran Heart Center
https://read.qxmd.com/read/30740863/a-2-year-prospective-case-series-on-volumetric-changes-proms-and-clinical-outcomes-following-sinus-floor-elevation-using-deproteinized-bovine-bone-mineral-as-filling-material
#4
Faris Younes, Jan Cosyn, Thomas De Bruyckere, Robbert Cleymaet, Aryan Eghbali
BACKGROUND: A sinus floor augmentation may be indicated when a lack of hard tissue impedes implant placement. Although clinically successful, evidence supporting the long-term three-dimensional stability of the grafted volume is scarce. Second, evidence on the patient's acceptance of this type of treatment is limited. PURPOSE: First is to evaluate the changes in graft volume after lateral wall sinus lifting based on superimposed cone beam computed tomography (CBCT) images and then to assess patient-reported outcome measures (PROMs) and clinical outcomes...
February 11, 2019: Clinical Implant Dentistry and related Research
https://read.qxmd.com/read/30736811/multidisciplinary-oral-rehabilitation-of-an-adolescent-suffering-from-juvenile-gorlin-goltz-syndrome-a-case-report
#5
Manfred Nilius, Jürgen Kohlhase, Johann Lorenzen, Günter Lauer, Matthias C Schulz
BACKGROUND: The Gorlin-Goltz syndrome is an autosomal dominant disorder characterized by keratocystic odontogenic tumors in the jaws, multiple basal cell carcinomas and skeletal abnormities. Frequently, the manifestation of the syndrome occurs in the adolescent years. CASE PRESENTATION: An 11-year-old boy was referred to our clinic due to the persistence of the lower deciduous molars. The further diagnosis revealed bilateral keratocystic odontogenic tumors in the region of teeth 33 and 45 representing a symptom of a Gorlin-Goltz syndrome...
February 8, 2019: Head & Face Medicine
https://read.qxmd.com/read/30719578/influence-of-exposing-dental-implants-into-the-sinus-cavity-on-survival-and-complications-rate-a-systematic-review
#6
REVIEW
Gian Maria Ragucci, Basel Elnayef, Fernando Suárez-López Del Amo, Hom-Lay Wang, Federico Hernández-Alfaro, Jordi Gargallo-Albiol
BACKGROUND: After tooth loss, the posterior maxilla is usually characterized by limited bone height secondary to pneumatization of the maxillary sinus and/or collapse of the alveolar ridge that preclude in many instances the installation of dental implants. In order to compensate for the lack of bone height, several treatment options have been proposed. These treatment alternatives aimed at the installation of dental implants with or without the utilization of bone grafting materials avoiding the perforation of the Schneiderian membrane...
February 5, 2019: International Journal of Implant Dentistry
https://read.qxmd.com/read/30716491/resection-of-meningiomas-involving-major-dural-venous-sinuses-classification-technique-and-long-term-results
#7
Qazi Zeeshan, Anoop Patel, Chun-Yu Cheng, Ning-Hui Zhao, Jason Barber, Basavaraj V Ghodke, Laligam N Sekhar
OBJECTIVE: Management of meningiomas with major dural venous sinus involvement is challenging. We present our case series and perspective on reconstruction of the sinuses. METHODS: 55 patients underwent operations between 2005 and 2016 and the retrospective data were collected and analyzed. RESULTS: Cohort was younger with a mean of 51.3 years (Range 19 - 72 ) predominantly involving the superior sagittal sinus (44 patients). Sinus involvement was classified into Group 1 (<50% of sinus, n=28), Group 2 (50-99%, n=8) and Group 3 (Total occlusion, n=19)...
February 1, 2019: World Neurosurgery
https://read.qxmd.com/read/30716145/bone-volume-assessment-around-dental-implants-after-open-maxillary-sinus-elevation-surgery-a-quantitative-approach-to-cbct-images
#8
Susanne Lewin, Christopher Riben, Andreas Thor, Caroline Öhman-Mägi
PURPOSE: Cone beam computed tomography (CBCT) is an important imaging technique in maxillofacial evaluations. However, application-specific image analysis methods aimed at extracting quantitative information from these images need to be further developed. The aim of this study was to provide a robust and objective method that could assess radiologic changes around dental implants after sinus elevation surgery with simultaneous implant placement. MATERIALS AND METHODS: The study was performed retrospectively on patients fulfilling the inclusion criteria...
February 4, 2019: International Journal of Oral & Maxillofacial Implants
https://read.qxmd.com/read/30711470/plasma-rich-in-growth-factors-prgf-in-intraoral-bone-grafting-procedures-a-systematic-review
#9
REVIEW
Panagiotis Dragonas, Julie H Schiavo, Gustavo Avila-Ortiz, Archontia Palaiologou, Theodoros Katsaros
PURPOSE: This systematic review aimed at assessing the effects of PRGF in new bone formation, soft tissue healing and post-operative pain and swelling in sites that underwent ridge preservation, ridge augmentation and maxillary sinus augmentation procedures. MATERIALS AND METHODS: A comprehensive literature search employing seven databases was conducted by two independent reviewers. Only randomized and non-randomized controlled clinical trials using PRGF alone or in combination with bone grafting materials were selected...
January 17, 2019: Journal of Cranio-maxillo-facial Surgery
https://read.qxmd.com/read/30701923/hematopoietic-stem-cell-transplantation-with-alpha-beta-t-lymphocyte-depletion-and-short-course-of-eculizumab-in-adolescents-and-young-adults-with-paroxysmal-nocturnal-hemoglobinuria
#10
D A Shasheleva, A A Maschan, L N Shelikhova, U N Petrova, E E Kurnikova, O I Illarionova, E V Boyakova, G A Novichkova, M A Maschan
AIM: The main goal is to optimize hematopoietic stem cell transplantation (HSCT) approach among adolescents and young adults with paroxysmal nocturnal hemoglobinuria (PNH) by means of Graft-versus-host disease (GVHD) and post-transplant complications risk lowering. MATERIALS AND METHODS: We report our experience of HSCT from HLA-matched unrelated donors using TCR alfa/beta and CD19 depletion in 5 pts (1M/4F) with PNH, developed after successful immunosuppressive therapy (IST) of acquired aplastic anemia (AA)...
August 17, 2018: Terapevticheskiĭ Arkhiv
https://read.qxmd.com/read/30693230/direct-maxillary-sinus-floor-augmentation-for-simultaneous-dental-implant-placement
#11
Mamit Kumar, Sumit Chopra, Debdutta Das, Monika Gupta, Jyoti Memoalia, Gaurav Verma
Aim: The present study was done to evaluate the efficacy of platelet-rich fibrin (PRF) with bovine bone graft (Bio-Oss™) in direct sinus augmentation for simultaneously dental implant placement. Materials and Methods: The study included 14 patients who fulfill the inclusion criteria, among them 10 were male and 4 were female with PRF with Bio-Oss™. For each patient, bone level was assessed preoperatively and postoperatively after 1, 6, and 12 months with a panoramic X-ray and radiovisiography to evaluate the vertical bone height from the shoulder of the implant to the most apical end...
July 2018: Annals of Maxillofacial Surgery
https://read.qxmd.com/read/30690860/evaluation-of-l-prf-combined-with-deproteinized-bovine-bone-mineral-for-early-implant-placement-after-maxillary-sinus-augmentation-a-randomized-clinical-trial
#12
Elton Carlos Pichotano, Rafael Scaf de Molon, Ricardo Violante de Souza, Rupert S Austin, Elcio Marcantonio, Daniela Leal Zandim-Barcelos
PURPOSE: To investigate the effectiveness of adding leukocyte and platelet-rich fibrin (L-PRF) to deproteinized bovine bone mineral (DBBM) for early implant placement after maxillary sinus augmentation. MATERIALS AND METHODS: Twelve patients requiring two-stage bilateral maxillary sinus augmentation were enrolled to the study. The elevated sinus cavities were randomly grafted with DBBM + L-PRF (test) or DBBM alone (control) in a split-mouth design. Implants were placed in the augmented sites after 4 months in the test group and 8 months in the control group...
January 28, 2019: Clinical Implant Dentistry and related Research
https://read.qxmd.com/read/30689962/a-new-orbito-zygomatic-complex-reconstruction-technique-using-computer-aided-design-and-manufacturing-assisted-harvest-of-autologous-calvarial-bone-in-cases-of-orbito-zygomatic-benign-tumor
#13
Romain Nicot, Matthias Schlund, Camille Sentucq, Gwénaël Raoul
The orbito-zygomatic complex (OZC) includes several key structures, and its destruction leads to the impairment of functional activities such as nutrition, communication, nasal support, and vision. Management of benign tumors of the OZC is therefore a surgical challenge because of the necessity for reconstruction of these elements. Autogenous bone is considered the gold standard for reconstruction. Nevertheless, there is difficulty related to the complex anatomy and distorted skeletal anatomic landmarks, which require precise work in the case of bone grafts...
December 31, 2018: Journal of Oral and Maxillofacial Surgery
https://read.qxmd.com/read/30688317/free-nasal-floor-mucosal-grafting-after-endoscopic-total-ethmoidectomy-for-severe-nasal-polyposis-a-pilot-study
#14
R Moreno-Luna, J Gonzalez-Garcia, J M Maza-Solano, E Molina-Fernandez, C D Pinheiro-Neto, A Del Cuvillo Bernal, C Langdon, S Sanchez-Gomez
BACKGROUND: We report a novel surgical technique based on an endonasal free mucosal graft (mucoplasty) for improving clinical results and local healing in chronic rhinosinusitis with nasal polyps (CRSwNP). METHODS: Patients diagnosed with bilateral CRSwNP scheduled for endoscopic sinus surgery were included. They underwent complete removal of anterior and posterior ethmoid cells, in addition to bilateral type III frontal sinusotomy. An endoscopic mucoplasty was performed in the left nasal cavity, whereas the right nasal cavity served as control...
January 28, 2019: Rhinology
https://read.qxmd.com/read/30680247/histomorphometric-study-of-rabbit-s-maxillary-sinus-augmentation-with-various-graft-materials
#15
Dong-Seok Sohn, Yong-Suk Moon
The purpose of this animal study is to evaluate, by histomorphometric analysis, bone regeneration in rabbit's maxillary sinuses with blood clots alone, Bio-Oss, β-tricalcium phosphate (β-TCP), and demineralized tooth dentin (DTD) grafting. Bilateral sinus augmentation procedures were performed in 18 adult male rabbits. Rectangular replaceable bony windows were made with a piezoelectric thin saw insert. In the group 1, blood clots were filled; group 2, anorganic bovine graft (Bio-Oss) was grafted; group 3, β-TCP was grafted; group 4, DTD was grafted, and covered by replaceable bony windows...
December 2018: Anatomy & Cell Biology
https://read.qxmd.com/read/30676452/poly-d-l-lactide-co-glycolic-acid-grafting-material-in-sinus-lift
#16
Filiberto Mastrangelo, Raimondo Quaresima, Ilaria Sebastianelli, Alberto Dedola, Shiri Kuperman, Lorenzo Azzi, Carmen Mortellaro, Aurelio Muttini, Eitan Mijiritsky
The poly D,L-lactide-co-glycolic acid (PLGA) is a copolymer used in many therapeutic devices for its high rates of biodegradability and biocompatibility. The principal aim of the research was to evaluate the new bone formation, after 16 (T1) and 28 weeks (T2), in sheep maxillary sinus lift in vivo model using PLGA.Computerized tomography analysis, X-ray microanalysis, and scanning electron microscope analysis of secondary electrons (SE) and the backscattered electrons (BSE) of the samples were detected.After 28 weeks, the computed tomography analysis showed a 22% increase of UH density in the grafting areas...
January 19, 2019: Journal of Craniofacial Surgery
https://read.qxmd.com/read/30649235/ministernotomy-aortic-valve-surgery-in-patients-with-prior-patent-mammary-artery-grafts-after-coronary-artery-bypass-grafting
#17
Oleg I Orlov, Vasily I Kaleda, Vishal N Shah, Catherine Nguyen, Cinthia P Orlov, Serge Sicouri, Manabu Takebe, Scott M Goldman, Konstadinos A Plestis
OBJECTIVES: Patients with patent internal thoracic artery (ITA) grafts after prior coronary artery bypass grafting surgery who require aortic valve replacement (AVR) pose unique technical challenges for safe and optimal myocardial protection. The purpose of this study is to review our short- and long-term outcomes with redo minimally invasive AVR in patients with patent in situ ITA grafts. METHODS: From 2008 to 2016, 48 patients with at least 1 patent in situ mammary artery graft underwent minimally invasive AVR...
January 10, 2019: European Journal of Cardio-thoracic Surgery
https://read.qxmd.com/read/30644766/modified-disk-up-sinus-reamer-for-sinus-floor-elevation-and-simultaneous-implant-placement-an-animal-study-with-miniature-pigs
#18
Hang-Ying Jin, Min-Hua Teng, Duode Wang, Xin Li, Jia-Yue Liang, Wen-Xue Wang, Shuai Jiang, Bao-Dong Zhao
OBJECTIVE: The disk-up sinus reamer (DSR) is a modified instrument used to elevate the maxillary sinus floor. This study aimed to compare the effects of modified DSR sinus floor elevation (DSFE) with osteotome sinus floor elevation (OSFE), both with simultaneous implant placement. METHODS: Twelve miniature pigs were treated with DSFE on one side and OSFE on the other. Implants 9 mm in length were placed in six pigs without grafting, while implants 11 mm in length were placed in the other six pigs with grafting...
January 15, 2019: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
https://read.qxmd.com/read/30640847/anatomical-characteristics-of-the-perpendicular-plate-of-the-ethmoid-an-analysis-of-paranasal-sinus-computed-tomography-via-three-dimensional-reconstruction
#19
Xiao Yang, Dong Li, Hongyu Xue, Shanshan Du, Xin Yang, Jing Wang, Yang An, Dominik Duscher
In recent years, the perpendicular plate of the ethmoid (PPE) has emerged as a new autogenous grafting material in rhinoplasty and septoplasty of nasal deviation. However, no studies have outlined the precise size, shape, and morphologic features of the PPE. Therefore, this study aimed to provide detailed information on the anatomical and morphologic characteristics of the PPE to assist surgeons in performing surgeries that are more precise. About 104 Chinese patients who underwent paranasal computed tomography were assessed in this study...
January 10, 2019: Journal of Craniofacial Surgery
https://read.qxmd.com/read/30640311/resonance-frequency-analysis-of-tapered-implants-placed-at-maxillary-posterior-sites-after-lateral-sinus-augmentation-a-1-5-year-follow-up-prospective-study
#20
Yun-Ho Park, Ui-Won Jung, Chang-Sung Kim, Seong-Ho Choi, Kyoo-Sung Cho, Jung-Seok Lee
OBJECTIVES: To use resonance frequency analysis to evaluate tapered implants placed at maxillary posterior sites after lateral sinus augmentation. MATERIALS AND METHODS: Patients who had missing teeth in the maxillary posterior area and required lateral sinus augmentation before implant placement were enrolled in this study. After a 6-month healing period, a tapered implant (Osstem TSIV) was placed. Implant success rate, survival rate, and marginal bone loss of the implants were measured...
January 10, 2019: Implant Dentistry
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