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Antoun Nader, Mark C Kendall, David W Manning, Matthew Beal, Rohit Rahangdale, Robert Dekker, Gildasio S De Oliveira, Eric Kamenetsky, Robert J McCarthy
BACKGROUND AND OBJECTIVES: A single-dose adductor canal block can provide postoperative analgesia for patients undergoing total knee arthroplasty (TKA). The purpose of this study was to assess postoperative opioid consumption after ultrasound-guided single-injection bupivacaine compared with saline adductor canal block for patients undergoing TKA. METHODS: After institutional review board approval, written informed consent was obtained from patients (>18 years old) undergoing elective TKA...
November 2016: Regional Anesthesia and Pain Medicine
Khaled M Kebaish, Benjamin D Elder, Sheng-Fu L Lo, Timothy F Witham
STUDY DESIGN: Technical report and case illustration. OBJECTIVE: To review the rationale and steps for a sublaminar decompression in the setting of adult deformity surgery and in degenerative spondylosis. SUMMARY OF BACKGROUND DATA: Several variations of lumbar laminotomy and posterior decompressions have been reported, although these are primarily in the setting of isolated lumbar stenosis, and often focus on treatment of central stenosis...
October 21, 2016: Clinical Spine Surgery
D R Herrera, F C Martinho, A J de-Jesus-Soares, A A Zaia, C C Ferraz, J F Almeida, B P Gomes
AIM: This clinical study was conducted to investigate the influence of 17% ethylenediaminetetraacetic acid (EDTA) ultrasonic activation after chemomechanical preparation (CMP) on eliminating/reducing oral bacterial lipopolysaccharides (known as endotoxins) and cultivable bacteria in teeth with pulp necrosis and apical periodontitis. METHODOLOGY: Samples were taken from 24 root canals at several clinical periods: S1- before CMP; S2- after CMP; S3- after EDTA: G1- with ultrasonic activation (n=12), and G2- without ultrasonic activation (n=12)...
October 24, 2016: International Endodontic Journal
S G Mistry, D R Strachan, E L Loney
BACKGROUND: Functional endoscopic sinus surgery is recognised to have a significant complication profile (e.g. blindness, cerebrospinal fluid leak and intracranial sepsis). Pre-operative computed tomography imaging is considered mandatory for surgical planning to reduce intra-operative risk. A radiological report is the 'gold standard' in image interpretation; however, because of a lack of otolaryngological or radiological guidance, its contents may be variable. By surveying practising otolaryngologists, this study aimed to provide some guidance which may be used by radiologists to produce more surgically relevant radiological reports...
October 2016: Journal of Laryngology and Otology
M P A Clark, B D Westerberg, J E Mitchell
OBJECTIVE: Chronic suppurative otitis media is a neglected condition affecting up to 330 million people worldwide, with the burden of the disease in impoverished countries. The need for non-governmental organisations to hardwire training into their programmes has been highlighted. An ear surgery simulator appropriate for training in resource-poor settings was developed, and its effectiveness in facilitating the acquisition of headlight and microsurgical skills necessary to safely perform procedures via the ear canal was investigated...
October 2016: Journal of Laryngology and Otology
S Turkoglu Babakurban, O Topal, E Aydin, E Hizal, S Copur, M Demirbilek Ekici
OBJECTIVE: To examine the effects of Castellani's paint on symptomatic relief and skin flora in patients with an itchy external ear canal. METHODS: Subjective pruritus scores, and erythema and desquamation scores, were noted in 61 patients with an itchy external ear canal. External ear canal skin swabs were taken for bacterial and fungal cultures. Patients were then randomly divided into three groups: either Castellani's paint (group one) or steroid ear drops (group two) were instilled, or non-impacted cerumen was removed (group three)...
October 2016: Journal of Laryngology and Otology
Thayse Bienert Goetze, Pricila Sleifer, Rafael Fabiano Machado Rosa, Alessandra Pawelec da Silva, Carla Graziadio, Paulo Ricardo Gazzola Zen
Oculoauriculovertebral spectrum (OAVS), also known as Goldenhar syndrome, is considered a condition associated to failing of embryogenesis involving the first and second branchial arches, leading to structural abnormalities arising from it. The aim of this study is to verify the hearing features presented by patients with OAVS and provide additional information that may contribute to improvement of speech therapy. The sample consisted of 10 individuals diagnosed with OAVS and cared for by the Clinical Genetics Service...
October 24, 2016: American Journal of Medical Genetics. Part A
Ilona F Persoon, Mark J Buijs, Ahmet R Özok, Wim Crielaard, Bastiaan P Krom, Egija Zaura, Bernd W Brandt
OBJECTIVES: Bacterial infection of the root canal system causes apical periodontitis. Less is known about the role of fungi in these infections. This study aimed to assess the fungal prevalence, abundance, and diversity of root canal infections, as well as the relation between fungi and bacteria present in different parts of the root canal. MATERIALS AND METHODS: Twenty-six teeth with primary apical periodontitis were extracted, split in apical and coronal root segments, and cryo-pulverized...
October 22, 2016: Clinical Oral Investigations
Fabio Camacho-Alonso, P Salmerón-Lozano, Y Martínez-Beneyto
The aim of this study was to evaluate the antibacterial effect of photodynamic therapy (PDT), 2 % chlorhexidine (CHX). The teeth were contaminated with 0.1 mL Enterococcus faecalis (3 × 10(8) cell/mL) and randomized into eight treatment groups: Group 1 (2.5 % NaOCl); Group 2 (PDT); Group 3 (2 % CHX); Group 4 (TAM); Group 5 (propolis), Group 6 (ozone), Group 7 (positive control) and Group 8 (negative control). Following treatment, the canal content was sampled. The samples were cultured in triplicate on blood agar plates to determine the number of colony forming units (CFU)/mL...
October 22, 2016: Odontology
Pedro Pereira Rizzato, Maria Elina Bichuette
The laterosensory system is a mechanosensory modality involved in many aspects of fish biology and behavior. Laterosensory perception may be crucial for individual survival, especially in habitats where other sensory modalities are generally useless, such as the permanently aphotic subterranean environment. In the present study, we describe the laterosensory canal system of epigean and subterranean species of the genus Ituglanis (Siluriformes: Trichomycteridae). With seven independent colonizations of the subterranean environment in a limited geographical range coupled with a high diversity of epigean forms, the genus is an excellent model for the study of morphological specialization to hypogean life...
October 21, 2016: Journal of Morphology
M C M Conde, L A Chisini, R Sarkis-Onofre, H S Schuch, J E Nör, F F Demarco
The aim of this Scoping Study was to evaluate the survival rate and nature of tissue formed inside root canals of human Necrotic Immature Permanent Teeth (NIPT) under root canal revascularization (RCR). The search was performed in SciVerse Scopus(®) , PubMed/Medline, Web of Science(®) , BIREME and in grey literature up to November 2015. The keywords were selected using MeSH terms and DECs. Two independent reviewers scrutinized the records obtained considering specific inclusion criteria. The included studies were evaluated in accordance with a modified Arksey and O' Malley's framework...
October 22, 2016: International Endodontic Journal
Joan Manuel Burdeus González-Solís, Iván Díez-Santacoloma, Albert Isidro Llorens
Anterior tibial tubercle (ATT) osteotomy facilitates exposure in knee arthroplasty. However, it is not without complications. We have introduced some technical modifications that reduce the surgical aggression by designing a short osteotomy that does not invade the intramedullary canal, and synthesizing it with three cerclage wires with a particular layout that increases the solidity of the system. A retrospective review was performed on the surgical revision of total knee replacement cases intervened in our center that required an ATT osteotomy from February 2014 to February 2015, and who had a minimum clinical follow-up of 12 months...
October 21, 2016: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
Robert N Goldstone, Shirin R Hasan, Steven Drury, Teresa M Darragh, Annemieke van Zante, Stephen E Goldstone
PURPOSE: Radiofrequency ablation (RFA) effectively treats esophageal high-grade dysplasia, but its efficacy in treating anal canal high-grade squamous intraepithelial lesions (HSILs) is unsubstantiated. This prospective study assessed the safety and efficacy of applying hemi-circumferential RFA to anal canal HSIL. METHODS: Twenty-one HIV-negative participants with HSIL occupying ≤ half the anal canal circumference were treated with hemi-circumferential anal canal RFA...
October 21, 2016: International Journal of Colorectal Disease
Liliana Albertazzi, Luisa Canal, Rocco Micciolo, Fulvio Ferrari, Sebastiano Sitta, Iacopo Hachen
The study analyzes the existence of naturally biased associations in the general population between a series of musical selections and a series of quatrains. Differently from other studies in the field, the association is tested between complex stimuli involving literary texts, which increases the load of the semantic factors. The stimuli were eight quatrains taken from the same poem and eight musical clips taken from a classical musical version of the poem. The experiment was conducted in two phases. First, the participants were asked to rate 10 couples of opposite adjectives on a continuous bipolar scale when reading a quatrain or when listening to a musical clip; then they were asked to associate a given clip directly with the quatrains in decreasing order...
October 21, 2016: Perception
Pedro H F Gois, Daniele Canale, Rildo A Volpini, Daniela Ferreira, Mariana M Veras, Vinicius Andrade-Oliveira, Niels O S Câmara, Maria H M Shimizu, Antonio C Seguro
BACKGROUND: Acute kidney injury (AKI) is the most severe complication of rhabdomyolysis. Allopurinol (Allo), a xanthine oxidase inhibitor, has been in the spotlight in the last decade due to new therapeutic applications related to its potent antioxidant effect. The aim of this study was to evaluate the efficacy of Allo in the prevention and treatment of rhabdomyolysis-associated AKI. METHODS: Male Wistar rats were divided into five groups: saline control group; prophylactic Allo (300mg/L of drinking water, 7 days); glycerol (50%, 5ml/kg, IM); prophylactic Allo + glycerol; and therapeutic Allo (50mg/Kg, IV, 30minutes after glycerol injection) + glycerol...
October 18, 2016: Free Radical Biology & Medicine
Zhejun Wang, Hazuki Maezono, Ya Shen, Markus Haapasalo
INTRODUCTION: The purpose of this study was to examine the level of erosion in root dentin caused by different irrigation methods and protocols. METHODS: Thirty-five extracted upper molar teeth were instrumented and divided into 7 groups to undergo treatment by different methods: negative control, GentleWave System (Sonendo Inc, Laguna Hills, CA), and syringe needle irrigation following different protocols. The teeth were instrumented to size #25/.08 or #30/.09 for needle irrigation groups and to ProTaper size S1 for the GentleWave group under 5% sodium hypochlorite (NaOCl)...
October 18, 2016: Journal of Endodontics
Lars Bjørndal, Catharina Amaloo, Merete Markvart, Vibe Rud, Klaus Qvortrup, Camilla Stavnsbjerg, Thomas Bjarnsholt
INTRODUCTION: The aim was to present a case report of a full-length extrusion of an obturator's core carrier into the maxillary sinus, causing clinical symptoms from the nose region with differential diagnostics aspects, which, in turn, led to several surgical treatments of the nostrils before diagnosis and correct endodontic retreatment of a maxillary right first molar. A 36-year-old man presented in 2012 with complaints from the right nostril region. Medical treatment with antibiotics and surgical procedures because of nasal stenosis resulted only in partial improvement...
October 18, 2016: Journal of Endodontics
A Reum Kim, Ki Bum Ahn, Hyun Young Kim, Ho Seong Seo, Cheol-Heui Yun, Seung Hyun Han
INTRODUCTION: Streptococcus gordonii is a predominant member of the oral microflora and has been isolated from root canals of teeth with refractory apical periodontitis. Biofilm formation is important for various dental diseases, and S. gordonii is involved in dental biofilm formation as an early colonizer. Although serine-rich repeat (SRR) adhesins of S. gordonii such as gordonii surface protein B (GspB) are associated with bacterial colonization, the role of GspB in biofilm formation is not clearly understood...
October 18, 2016: Journal of Endodontics
Raquel-Kathrin Prüllage, Kent Urban, Edgar Schäfer, Till Dammaschke
INTRODUCTION: The aim was to compare the solubility, radiopacity, and setting times of a tricalcium silicate-containing (BioRoot RCS; Septodont, St Maur-des-Fossés, France) and a mineral trioxide aggregate-containing sealer (MTA Fillapex; Angelus, Londrina, Brazil) with an epoxy resin-based sealer (AH Plus; Dentsply DeTrey, Konstanz, Germany). METHODS: Solubility in distilled water, radiopacity, and setting time were evaluated in accordance with ISO-6876:2012. The solubility was also measured after soaking the materials in phosphate-buffered saline buffer (PBS)...
October 18, 2016: Journal of Endodontics
Wei Fan, Yanyun Li, Qing Sun, Tengjiao Ma, Bing Fan
BACKGROUND: In infected periapical tissues, Enterococcus faecalis is one of the most common dominant bacteria. Chlorhexidine has been proved to show strong antibacterial ability against E. faecalis but is ineffective in promoting mineralization for tissues around root apex. Mesoporous calcium-silicate nanoparticles are newly synthesized biomaterials with excellent ability to promote mineralization and carry-release bioactive molecules in a controlled manner. In this study, mesoporous calcium-silicate nanoparticles were functionalized with chlorhexidine and their releasing profile, antibacterial ability, effect on cell proliferation and in vitro mineralization property were evaluated...
October 21, 2016: Journal of Nanobiotechnology
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