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#1
J S Schwartz, S Al-Mot, M F Endam, S Al-Romaih, J Madrenas, M Desrosiers
BACKGROUND: Staphylococcus aureus is a frequently implicated pathogen in chronic rhinosinusitis (CRS). S. aureus may promote commensalism by downregulating pro-inflammatory T cell host responses via an IL-10 mediated pathway. This finding, coupled with the observation that S. aureus and CD8+ T cell numbers are inversely correlated in CRS mucosa, suggests that S. aureus may evade immune destruction via IL-10 induction. To support this hypothesis, we evaluated i) whether IL-10 levels differ in CRS compared to controls (CTL) using microarray and immunohistochemistry and ii) whether IL-10 levels correlate with S...
March 19, 2017: Rhinology
https://www.readbyqxmd.com/read/28304207/dural-venous-sinus-stenting-for-medically-and-surgically-refractory-idiopathic-intracranial-hypertension
#2
Sudhakar R Satti, Lakshmi Leishangthem, Alejandro Spiotta, M Imran Chaudry
Background Idiopathic intracranial hypertension (IIH) is a syndrome defined by elevated intracranial hypertension without radiographic evidence of a mass lesion in the brain. Dural venous sinus stenosis has been increasingly recognized as a treatable cause, and dural venous sinus stenting (DVSS) is increasingly performed. Methods A 5 year single-center retrospective analysis of consecutive patients undergoing DVSS for medically refractory IIH. Results There were 43 patients with a mean imaging follow-up of 6...
April 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28299256/clinical-and-radiological-evaluation-of-implants-placed-with-osteotome-sinus-lift-technique-19-month-follow-up
#3
Bijan Movahedian Attar, Samaneh Alaei, Hamid Badrian, Amin Davoudi
AIMS: Implant placement in the posterior region of the maxilla might be problematic due to poor regional bone quality. The aim of this study was to clinically and radiologically evaluate implants which were placed in the posterior region of the maxilla (with insufficient bone height) with osteotome sinus lift technique after 19-month follow-up. MATERIALS AND METHODS: Twenty-four patients with posterior maxillary alveolar height ranging from 5 to 8 mm were chosen for this prospective study...
July 2016: Annals of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28298833/minimally-invasive-maxillary-sinus-elevation-using-balloon-system-a-case-series
#4
Radha Bharathi Dhandapani, Shivakumar Baskaran, Kurumathur Vasudevan Arun, Thirunelveli Saravanan Subbu Kumar
The posterior maxillary segment frequently exhibits insufficient bone mass to support dental implants. Sinus floor augmentation enables implant placement in the posterior maxilla. This case series included ten sites, in which sinus floor elevation was done using sinus lift balloon system followed by augmentation utilizing irradiated cancellous bone allograft. Postoperative radiographic assessment of vertical bone gain was done at 3 and 6 months follow-up period. The mean initial and final bone height were 6...
July 2016: Journal of Indian Society of Periodontology
https://www.readbyqxmd.com/read/28288021/sinus-membrane-elevation-by-the-crestal-approach-using-a-novel-drilling-system
#5
Young-Kyun Kim, Ji-Young Lee, Jin-Woo Park, Su-Gwan Kim, Ji-Su Oh
PURPOSE: The purpose of this study was to evaluate the clinical outcomes of patients undergoing sinus membrane elevation by a minimally invasive crestal approach using a novel drilling system. MATERIALS AND METHODS: From May 2008 to November 2009, 21 implants were placed in 19 patients (10 men and 9 women) ranging from 23 to 69 years of age (average of 49.5 years). Implants were placed in maxillary premolar and molar areas that demonstrated insufficient residual bone quality; maxillary sinus membrane elevation was performed using a crestal approach with the sinus crestal approach kit (Neobiotech, Seoul, Korea)...
March 10, 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28261519/treatment-concepts-for-the-posterior-maxilla-and-mandible-short-implants-versus-long-implants-in-augmented-bone
#6
REVIEW
Daniel Stefan Thoma, Jae-Kook Cha, Ui-Won Jung
The aim of this narrative review is to describe treatment options for the posterior regions of the mandible and the maxilla, comparing short implants vs. longer implants in an augmented bone. The dental literature was screened for treatment options enabling the placement of dental implants in posterior sites with a reduced vertical bone height in the maxilla and the mandible. Short dental implants have been increasingly used recently, providing a number of advantages including reduced patient morbidity, shorter treatment time, and lower costs...
February 2017: Journal of Periodontal & Implant Science
https://www.readbyqxmd.com/read/28261513/primary-clear-cell-microcystic-adenoma-of-the-sinonasal-cavity-pathological-or-fortuitous-association
#7
Rosalin Cooper, Hannah Markham, Jeffery Theaker, Adrian Bateman, David Bunyan, Matthew Sommerlad, Gillian Crawford, Diana Eccles
Primary clear cell microcystic adenoma of the sinonasal cavity is rare. It has previously been described only as a VHL-associated tumour. Von Hippel-Lindau (VHL) syndrome is an inherited cancer syndrome characterised by an elevated risk of neoplasia including clear cell renal cell carcinoma (ccRCC), haemangioblastoma, and phaeochromocytoma. We describe the second reported case of a primary clear cell microcystic adenoma of the sinonasal cavity. The 39-year-old patient with VHL syndrome had previously undergone resection and ablation of ccRCC...
2017: Case Reports in Pathology
https://www.readbyqxmd.com/read/28255904/endovascular-treatment-of-idiopathic-intracranial-hypertension-retrospective-analysis-of-immediate-and-long-term-results-in-51-patients
#8
M Aguilar-Pérez, R Martinez-Moreno, W Kurre, C Wendl, H Bäzner, O Ganslandt, R Unsöld, H Henkes
PURPOSE: Idiopathic intracranial hypertension (IIH) is a disorder of increased intracranial pressure in the absence of any known causative factor. Sinus stenosis is common in these patients. Stenting of stenotic dural sinuses has gained popularity as a treatment option, since these stenoses may contribute to an obstruction of the venous return, and, thereby may contribute to IIH via an increase in venous sinus pressure. We evaluated the safety and efficacy of endovascular treatment in IIH with venous sinus stenosis...
March 2, 2017: Neuroradiology
https://www.readbyqxmd.com/read/28254402/maxillary-sinus-floor-elevation-with-simultaneous-implant-placement-without-grafting-materials-a-systematic-review-and-meta-analysis
#9
REVIEW
V Moraschini, M G Uzeda, S C Sartoretto, M D Calasans-Maia
The present study aimed to conduct a systematic review and meta-analysis on the effectiveness of maxillary sinus floor elevation and immediate implant installation without the use of grafting material. An electronic search without date or language restriction ​​was performed in PubMed/MEDLINE, Cochrane Central Register of Controlled Trials, Web of Science, Embase, and the grey literature, to May 2016. Eligibility criteria encompassed prospective and retrospective cohort studies, controlled clinical trials, and randomized clinical trials...
February 21, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28250298/inappropriate-sinus-tachycardia-diagnosed-and-treated-as-depression-successfully-treated-by-radiofrequency-catheter-ablation
#10
Akihiro Masumoto, Masao Takemoto, Takahiro Mito, Atsushi Tanaka, Yuki Kawano, Hiroshi Kumeda, Honsa Kang, Atsutoshi Matsuo, Satoru Hida, Teiji Okazaki, Kei-Ichiro Tayama, Kiyonobu Yoshitake, Kenichi Kosuga
We experienced a man in his 20s with inappropriate sinus tachycardia (IST) initially diagnosed and treated as depression who was steadily treated with radiofrequency catheter ablation (RFCA) using an EnSite™ system. The patient has remained well without any symptoms or medications, including antidepressants, for two years since the RFCA. To avoid missing IST and treating it as an emotional problem and/or mental illness such as depression, physicians - including cardiologists - should be aware of these conditions when examining patients with multiple and incapacitating complaints including palpitations and general fatigue and/or tachycardia, especially characterized by an elevated resting heart rate or a disproportionate increase in the heart rate with minimal exertion...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28242132/abducens-nerve-palsy-due-to-inferior-petrosal-sinus-thrombosis
#11
Shivam Om Mittal, Junaid Siddiqui, Bashar Katirji
Isolated unilateral abducens nerve palsy is usually due to ischemia, trauma or neoplasm. Dorello's canal is the space between the petrous apex and superolateral portion of the clivus, bound superiorly by Gruber's ligament. The abducens nerve travels with inferior petrosal sinus (IPS) though the Dorello's canal before entering the cavernous sinus. A 31-year-old man presented with neck pain, and binocular horizontal diplopia, worse looking towards left and at distance. He had a history of intravenous drug abuse but no history of hypertension or diabetes...
February 24, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28231348/association-between-bone-graft-volume-and-maxillary-sinus-membrane-elevation-height
#12
Tetsuya Sonoda, Takehiro Harada, Nobuyuki Yamamichi, Alberto Monje, Hom-Lay Wang
PURPOSE: Maxillary sinus augmentation via crestal approach has been advocated as an alternative approach for sinus membrane elevation. Presently, no study has examined the relationship between the amount of bone grafting material placed and the final sinus membrane elevation height. Therefore, the present study was aimed at investigating the extent of sinus membrane elevation height depending on the amount of bone grafting material inserted as well as three-dimensionally assessing the likelihood of membrane perforation during membrane elevation...
February 23, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28230588/how-to-expose-the-entire-sella-floor-with-minimal-manipulation-during-an-endoscopic-endonasal-transsphenoidal-approach
#13
Do Hyun Kim, Yong-Kil Hong, Sin-Soo Jeun, Yong Jin Park, Soo Whan Kim, Jin Hee Cho, Boo-Young Kim, Sung Won Kim
OBJECTIVE: A method of opening the posterior ethmoid air cells with minimal manipulation is important for adequate exposure of the sella floor and minimal nasal morbidity. METHODS: Between February 2009 and August 2016, 373 patients with skull-base tumors underwent surgery via endoscopic endonasal transsphenoidal approach with the 2-nostrils/4-hands technique using this technique. RESULTS: A linear incision was made laterally toward one-third of the superior turbinate along the superior border of the sphenoid sinus ostium...
February 22, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28225994/a-rare-case-of-ectopic-acth-syndrome-originating-from-malignant-renal-paraganglioma
#14
Esra Tutal, Demet Yılmazer, Taner Demirci, Evrim Cakır, Salih Sinan Gültekin, Bahadır Celep, Oya Topaloğlu, Erman Çakal
Ectopic adrenocorticotropic hormone (ACTH) syndrome is characterized by hypercortisolism due to the hypersecretion of a non-pituitary ACTH-secreting tumor leading to Cushing's syndrome. Only a few cases have been reported previously as causing ectopic ACTH related to paraganglioma. Herein, we present a case of Cushing's syndrome, in who was proved to be attributable to an ACTH-secreting renal malignant paraganglioma. A 40-year-old woman presented with a five-month history of newly diagnosed hypertension and diabetes, weakness, hyperpigmentation, oligomenorrhea, hirsutism, and acneiform lesions...
February 13, 2017: Archives of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28225836/analysis-of-immune-cell-populations-in-atrial-myocardium-of-patients-with-atrial-fibrillation-or-sinus-rhythm
#15
Natalia Smorodinova, Martin Bláha, Vojtěch Melenovský, Karolína Rozsívalová, Jaromír Přidal, Mária Ďurišová, Jan Pirk, Josef Kautzner, Tomáš Kučera
BACKGROUND: Atrial fibrillation (AF) is the most common arrhythmia and despite obvious clinical importance remains its pathogenesis only partially explained. A relation between inflammation and AF has been suggested by findings of increased inflammatory markers in AF patients. OBJECTIVE: The goal of this study was to characterize morphologically and functionally CD45-positive inflammatory cell populations in atrial myocardium of patients with AF as compared to sinus rhythm (SR)...
2017: PloS One
https://www.readbyqxmd.com/read/28217227/cardiac-conduction-defects-and-brugada-syndrome-a-family-with-overlap-syndrome-carrying-a-nonsense-scn5a-mutation
#16
Hisaaki Aoki, Yoshihide Nakamura, Seiko Ohno, Takeru Makiyama, Minoru Horie
BACKGROUND: Phenotypes often differ even within family members carrying the same SCN5A mutation. We aimed to evaluate the genetic modifiers in a family with Brugada syndrome (BrS) and sick sinus syndrome (SSS) with an SCN5A mutation that causes the truncated alpha-subunit of cardiac Na channel protein. METHODS: To detect the genetic modifiers, we performed targeted panel sequencing of the coding region of 46 genes that are related to primary arrhythmia syndrome, by using a bench-top, next generation sequencer...
February 2017: Journal of Arrhythmia
https://www.readbyqxmd.com/read/28215442/similar-survival-stability-bone-loss-and%C3%A2-satisfaction-when-comparing-short-implants-with-sinus-floor-elevation-plus-long-implants
#17
Romina Brignardello-Petersen
No abstract text is available yet for this article.
February 16, 2017: Journal of the American Dental Association
https://www.readbyqxmd.com/read/28214636/a-case-of-evolving-bilateral-sphenoidal-meningoencephalocoeles-case-report-and-review-of-literature
#18
Varun Aggarwal, Pankaj Shivhare, E R Jayadevan, Vinod Felix, Mathew Abraham, Suresh Nair, Prakash Nair
The evolution of sphenoid sinus meningoencephalocoeles and cerebrospinal fluid (CSF) rhinorrhoea is poorly understood. We present a case demonstrating the gradual evolution of encephalocoeles from both the lateral walls of a previously normal sphenoid sinus in a patient with dural arteriovenous fistula (DAVF), the CSF leak which developed following staged embolisation of the DAVF was managed by an endoscopic endonasal transpterygoid approach. Our findings suggest that over a period of time, chronic elevation of intracranial pressure (ICP) results in gradual erosion of the lateral wall of the sphenoid with development of meningoencephalocoeles and CSF leaks...
February 15, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28212455/retrospective-analysis-of-dental-implants-placed-between-2012-and-2014-indications-risk-factors-and-early-survival
#19
Koenraad Grisar, Deepti Sinha, Joseph Schoenaers, Titiaan Dormaar, Constantinus Politis
PURPOSE: The aim of this study was to review the indications for implant placement, early outcomes, and associated risk factors. MATERIALS AND METHODS: A retrospective cohort study design was used. The study was composed of a group of 509 consecutive patients, which represented the total number of patients treated from 2012 to 2014 in the Department of Oral and Maxillofacial Surgery, University Hospitals Leuven, Belgium. The authors analyzed the indications for implant placement and the potential risk factors for early implant failure...
February 17, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28209380/space-maintaining-management-in-maxillary-sinus-lifting-a-novel-technique-using-a-resorbable-polymeric-thermo-reversible-gel
#20
G Cossellu, G Farronato, D Farronato, G Ceschel, F Angiero
Several techniques have been proposed to achieve sinus floor elevation and the formation of new bone through the grafting of autologous, heterologous, or alloplastic materials. The grafted materials act as a scaffold for bone formation inside the maxillary sinus. This study investigated a non-graft sinus lifting procedure using a resorbable polymeric thermo-reversible gel. A space-maintaining approach to sinus lifting, using a resorbable polymeric thermo-reversible gel, was applied in 11 patients undergoing implant treatment in the atrophic posterior maxilla...
February 10, 2017: International Journal of Oral and Maxillofacial Surgery
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