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https://www.readbyqxmd.com/read/28736602/radiographic-technical-quality-of-root-canal-treatment-performed-by-a-new-rotary-single-file-system
#1
Marco Colombo, Cristina Bassi, Riccardo Beltrami, Paolo Vigorelli, Antonio Spinelli, Andrea Cavada, Alberto Dagna, Marco Chiesa, Claudio Poggio
AIM: The aim of the present study was to evaluate radiographically the technical quality of root canal filling performed by postgraduate students with a new single-file Nickel-Titanium System (F6 Skytaper Komet) in clinical practice. METHODS: Records of 74 patients who had received endodontic treatment by postgraduate students at the School of Dentistry, Faculty of Medicine, University of Pavia in the period between September 2015 and April 2016 were collected and examined: the final sample consisted 114 teeth and 204 root canals...
January 2017: Annali di Stomatologia
https://www.readbyqxmd.com/read/28736126/outcomes-following-osteosynthesis-of-periprosthetic-hip-fractures-around-cemented-tapered-polished-stems
#2
S T Goudie, S Patil, J T Patton, J F Keating
We retrospectively reviewed outcomes of 79 patients with periprosthetic hip fractures around cemented tapered polished stem (CTPS) implants treated with osteosynthesis between January 1997 and July 2011. All patients underwent open reduction and fixation using a broad dynamic compression plate (DCP). Seventy two (91%) of fractures united. There were seven (9%) non-unions with failure of metal work, three (4%) as a result of infection and four (5%) due to mechanical failure. Significant subsidence (>5mm) of the implant was seen in seven (9%) of cases...
July 12, 2017: Injury
https://www.readbyqxmd.com/read/28735789/xp-shaper-a-novel-adaptive-core-rotary-instrument-micro-computed-tomographic-analysis-of-its-shaping-abilities
#3
Adham A Azim, Lucila Piasecki, Ulisses Xavier da Silva Neto, Alessandra Timponi Goes Cruz, Katharina A Azim
INTRODUCTION: The aim of this study was to investigate the shaping abilities of the XP Shaper (FKG, La Chaux-de-Fonds, Switzerland) and compare the findings with Vortex Blue (Dentsply Tulsa Dental Specialties, Tulsa, OK) using micro-computed tomographic imaging. METHODS: Twenty matched, extracted, mandibular, central incisors with a single, oval canal were scanned preoperatively at 25-μm resolution and postoperatively after instrumentation with either Vortex Blue in a crown-down manner up to size 30...
July 20, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28734032/characterization-of-the-axon-initial-segment-of-mice-substantia-nigra-dopaminergic-neurons
#4
Cristian González-Cabrera, Rodrigo Meza, Lorena Ulloa, Paulina Merino-Sepúlveda, Valentina Luco, Ana Sanhueza, Alejandro Oñate-Ponce, J Paul Bolam, Pablo Henny
The axon initial segment (AIS) is the site of initiation of action potentials and also influences action potential waveform, firing pattern and rate. In view of the fundamental aspects of motor function and behavior that depend on the firing of substantia nigra pars compacta (SNc) dopaminergic neurons, we identified and characterized their AIS in the mouse. Immunostaining for tyrosine hydroxylase (TH), sodium channels (Nav ) and ankyrin-G (Ank-G) was used to visualize the AIS of dopaminergic neurons. Reconstructions of sampled AIS of dopaminergic neurons revealed variable lengths (12 - 60 μm) and diameters (0...
July 22, 2017: Journal of Comparative Neurology
https://www.readbyqxmd.com/read/28733791/current-clinical-evidence-of-tocilizumab-for-the-treatment-of-anca-associated-vasculitis-a-prospective-case-series-for-microscopic-polyangiitis-in-a-combination-with-corticosteroids-and-literature-review
#5
REVIEW
Ryota Sakai, Tsuneo Kondo, Takahiko Kurasawa, Eiko Nishi, Ayumi Okuyama, Kentaro Chino, Akiko Shibata, Yusuke Okada, Hirofumi Takei, Hayato Nagasawa, Koichi Amano
The purpose of this study is to report the efficacy and safety of a combination of tocilizumab (TCZ) and high-dose corticosteroid (CS) in two patients with microscopic polyangiitis (MPA) and review the published current clinical evidence on TCZ in patients with anti-neutrophil cytoplasmic antibody-associated vasculitis (AAV), except for large vessel vasculitis (LVV) and polymyalgia rheumatica (PMR). Two MPA patients were treated with TCZ at 8 mg/kg every month for 1 year and CS (prednisolone 1 mg/kg/day for 2 weeks, followed by tapering) in a prospective single-arm, single-center, cohort, open-label pilot study (UMIN clinical trials: 000012072)...
July 21, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28733656/efficacy-of-cyclophosphamide-treatment-for-immunoglobulin-g4-related-disease-with-addition-of-glucocorticoids
#6
Fei Yunyun, Chen Yu, Zhang Panpan, Chen Hua, Wu Di, Zhao Lidan, Peng Linyi, Wang Li, Wu Qingjun, Zhang Xuan, Zhao Yan, Zeng Xiaofeng, Zhang Fengchun, Zhang Wen
Aim to evaluate the efficacy and safety of glucocorticoid monotherapy vs combination therapy of cyclophosphamide (CYC) for IgG4 related disease (IgG4-RD). 102 newly diagnosed IgG4-RD patients were enrolled and assigned to 2 groups: Group I was prednisone monotherapy (0.5-1.0 mg/kg.d, tapered gradually) and Group II was glucocorticoid and CYC (50-100 mg per day). Patients were assessed at different periods. Primary end point was relapse rate; secondary end points included response, remission rate and adverse effects...
July 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28732300/complete-torsion-of-gallbladder-following-laparoscopic-cholecystectomy-a-case-study
#7
Tomoaki Bekki, Tomoyuki Abe, Hironobu Amano, Nobuaki Fujikuni, Hiroshi Okuda, Tatsunari Sasada, Minoru Yamaki, Tsuyoshi Kobayashi, Toshio Noriyuki, Masahiro Nakahara
INTRODUCTION: Gallbladder torsion is mainly associated with a floating gallbladder. From an anatomical perspective, laparoscopic cholecystectomy is a more optimal treatment than open cholecystectomy. PRESENTATION OF CASE: An 84-year-old woman visited the Onomichi General Hospital because of progressive pain in the right upper quadrant of her abdomen. Physical examination revealed a positive Murphy sign and peritoneal irritation. Laboratory data demonstrated that inflammatory marker levels were increased...
June 29, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28732280/evaluation-of-a-novel-median-power-spectrogram-for-seizure-detection-by-non-neurophysiologists
#8
Peter Yan, Tamar Melman, Sherry Yan, Munkhzul Otgonsuren, Zachary Grinspan
PURPOSE: (1) To evaluate how well resident physicians use a novel EEG spectral analysis tool (the median power spectrogram; MPS) to detect seizures. (2) To assess the capability of the MPS to identify different seizure types. METHODS: 120 EEG records from children with intractable seizures were converted to MPS by taking the median power across leads and using multi-taper spectral estimation. Twelve blinded neurology residents were trained to interpret the spectrogram with a five-minute video tutorial and post-test...
June 15, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28731266/a-randomized-double-blind-placebo-controlled-crossover-study-of-the-effects-of-levetiracetam-on-cognition-mood-and-balance-in-healthy-older-adults
#9
Mike R Schoenberg, Ruba S Rum, Katie E Osborn, Mary Ann Werz
OBJECTIVE: The cognitive and mood effects of levetiracetam (LEV) in older adults are not known. This study compared the cognitive and mood effects of LEV to placebo in healthy older adults. METHODS: Cognitive, mood, and balance variables were compared between LEV and placebo using a randomized, double-blind, placebo-controlled crossover study with two 5-week treatment periods. Healthy volunteers (n = 20) aged 65-80 (mean age 72.4) received either LEV or placebo in which the LEV target dose was 1,000 mg/day...
July 21, 2017: Epilepsia
https://www.readbyqxmd.com/read/28730648/calcineurin-inhibitor-withdrawal-or-tapering-for-kidney-transplant-recipients
#10
REVIEW
Krishna M Karpe, Girish S Talaulikar, Giles D Walters
BACKGROUND: Calcineurin inhibitors (CNI) can reduce acute transplant rejection and immediate graft loss but are associated with significant adverse effects such as hypertension and nephrotoxicity which may contribute to chronic rejection. CNI toxicity has led to numerous studies investigating CNI withdrawal and tapering strategies. Despite this, uncertainty remains about minimisation or withdrawal of CNI. OBJECTIVES: This review aimed to look at the benefits and harms of CNI tapering or withdrawal in terms of graft function and loss, incidence of acute rejection episodes, treatment-related side effects (hypertension, hyperlipidaemia) and death...
July 21, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28730640/2016-updated-thai-rheumatism-association-recommendations-for-the-use-of-biologic-and-targeted-synthetic-disease-modifying-anti-rheumatic-drugs-in-patients-with-rheumatoid-arthritis
#11
Worawit Louthrenoo, Nuntana Kasitanon, Wanruchada Katchamart, Duangkamol Aiewruengsurat, Parawee Chevaisrakul, Praveena Chiowchanwisawakit, Pornchai Dechanuwong, Punchong Hanvivadhanakul, Ajanee Mahakkanukrauh, Siriporn Manavathongchai, Chayawee Muangchan, Pongthorn Narongroeknawin, Veerapong Phumethum, Boonjing Siripaitoon, Anawat Suesuwan, Siraphop Suwannaroj, Parichat Uea-Areewongsa, Sittichai Ukritchon, Paijit Asavatanabodee, Ajchara Koolvisoot, Ratanavadee Nanagara, Kitti Totemchokchyakarn, Kanokrut Nuntirooj, Tasanee Kitumnuaypong
AIM: In June 2015, the Thai Rheumatism Association (TRA) approved an update of its recommendation for the use of biologic disease-modifying anti-rheumatic drugs (bDMARDs) and targeted synthetic (tsDMARD) in the treatment of rheumatoid arthritis (RA) to cover those currently available in Thailand (etanercept, infliximab, golimumab, rituximab, tocilizumab, abatacept and tofacitinib). METHOD: A search of the literature was performed between January 2000 and June 2015...
July 21, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28728565/identification-of-differential-co-expressed-gene-networks-in-early-rheumatoid-arthritis-achieving-sustained-drug-free-remission-after-treatment-with-a-tocilizumab-based-or-methotrexate-based-strategy
#12
Xavier M Teitsma, Johannes W G Jacobs, Michal Mokry, Michelle E A Borm, Attila Pethö-Schramm, Jacob M van Laar, Johannes W J Bijlsma, Floris P J Lafeber
BACKGROUND: Methotrexate is endorsed to be used as first-line treatment in rheumatoid arthritis (RA). However, a large proportion of patients need additional treatment with a biological disease-modifying anti-rheumatic drug (DMARD) to adequately suppress their disease activity. A better understanding of genotypes could help to distinguish between patients with different pathogenic mechanisms. The aim of this study was therefore to identify networks of genes within DMARD-naive early RA patients associated with achieving sustained drug-free remission (sDFR) after initiating tocilizumab plus methotrexate, tocilizumab, or methotrexate therapy...
July 20, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28727471/cutting-edge-implant-rehabilitation-design-and-management-a-tapered-abutment-approach
#13
Mark Bishara, Gregori M Kurtzman
Immediate implant placement can pose challenges surgically and, ultimately, restoratively. Yet immediate placement has become the standard when adequate bone is present to achieve primary stability and site infection is minimal. To avoid prosthetic complications and ensure the implant is encased in bone after healing, proper planning must consider that implant placement does not necessarily need to follow the trajectory of the root socket. As discussed in this article, maxillary anterior sites have potential issues related to the "triangle of bone" that are not encountered in molar sites and demand different approaches to ensure treatment success...
July 2017: Compendium of Continuing Education in Dentistry
https://www.readbyqxmd.com/read/28727464/cutting-edge-implant-rehabilitation-design-and-management-a-tapered-abutment-approach
#14
Xavier Rodríguez, Xavier Vela, Maribel Segalà
Soft-tissue recession around an implant rehabilitation over time has been considered a physiologic phenomenon. The divergent profile of the abutment and the abutment's dis/reconnections are the most critical predisposing and precipitating factors regarding such gingival recession. Recent publications have discussed how tapered and marginless abutments that allow no disconnections and increase soft-tissue thickness could prevent implant rehabilitations from experiencing gingival recession. The objective of this article is to demonstrate the biologic rationale of tissue behavior surrounding tapered abutments and their clinical application...
July 2017: Compendium of Continuing Education in Dentistry
https://www.readbyqxmd.com/read/28726113/glucocorticoid-sparing-effect-of-zoledronic-acid-in-sarcoid-hypercalcemia
#15
Mohammad Shafi Kuchay, Sunil Kumar Mishra, Beena Bansal, Khalid Jamal Farooqui, Lalitha Sekhar, Ambrish Mithal
INTRODUCTION: Glucocorticoids are regarded as first-line therapy in the management of hypercalcemia associated with sarcoidosis. However, prolonged glucocorticoid therapy leads to metabolic abnormalities, Cushingoid habitus, and impairment of bone health. This study demonstrates the efficacy and glucocorticoid-sparing effect of zoledronic acid in sarcoid hypercalcemia. METHODS: We present three patients with sarcoid hypercalcemia. They were successfully managed with oral glucocorticoids for many months...
December 2017: Archives of Osteoporosis
https://www.readbyqxmd.com/read/28725936/ultrastructural-characters-of-the-spermatozoon-of-the-liver-fluke-opisthorchis-viverrini-poirier-1886-opisthorchiidae
#16
Jordi Miquel, Zdzisław Świderski, Banchob Sripa, Alexis Ribas
The present study records the ultrastructural organization of the mature spermatozoon of Opisthorchis viverrini by means of transmission electron microscopy. The spermatozoon of O. viverrini is a filiform cell, tapered at both extremities. It exhibits the characteristics of type IV spermatozoon of digeneans, namely with two axonemes of the 9+'1' trepaxonematan pattern, external ornamentation of the plasma membrane associated with cortical microtubules that are in the posterior part of the anterior region of the sperm cell, and with two mitochondria...
July 19, 2017: Parasitology Research
https://www.readbyqxmd.com/read/28724996/dynamics-of-high-viscosity-contrast-confluent-microfluidic-flows
#17
Michael E Kurdzinski, Berrak Gol, Aaron Co Hee, Peter Thurgood, Jiu Yang Zhu, Phred Petersen, Arnan Mitchell, Khashayar Khoshmanesh
The laminar nature of microfluidic flows is most elegantly demonstrated via the confluence of two fluids forming two stable parallel flows within a single channel meeting at a highly stable interface. However, maintenance of laminar conditions can become complicated when there is a large viscosity contrast between the neighbouring flows leading to unique instability patterns along their interface. Here, we study the dynamics of high viscosity contrast confluent flows - specifically a core flow made of highly viscous glycerol confined by sheath flows made of water within a microfluidic flow focusing system...
July 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28720674/tracheal-tube-design-and-ventilator-associated-pneumonia
#18
REVIEW
Anahita Rouzé, Emmanuelle Jaillette, Julien Poissy, Sébastien Préau, Saad Nseir
Microaspiration of contaminated oropharyngeal and gastric secretions is the main mechanism for ventilator-associated pneumonia (VAP) in critically ill patients. Improving the performance of tracheal tubes in reducing microaspiration is one potential means to prevent VAP. The aim of this narrative review is to discuss recent findings on the impact of tracheal tube design on VAP prevention. Several randomized controlled studies have reported that subglottic secretion drainage (SSD) is efficient in VAP prevention...
July 18, 2017: Respiratory Care
https://www.readbyqxmd.com/read/28715842/changing-the-conversation-about-opioid-tapering
#19
Deborah Dowell, Tamara M Haegerich
No abstract text is available yet for this article.
July 18, 2017: Annals of Internal Medicine
https://www.readbyqxmd.com/read/28715600/ultrastructural-study-of-the-neural-microcircuits-in-the-sensory-epithelium-of-the-paratympanic-organ-of-the-chicken
#20
F Giannessi, L Ryskalin, R Ruffoli
The paratympanic organ (PTO) is a sensory organ located in the medial wall of the tympanic cavity of birds. The organ looks like a small tapering vesicle, and is equipped with a sensory epithelium formed by supporting cells (SCs) and Type II hair cells (Type II-HCs). The function of the PTO has not yet been precisely defined. The prevailing current hypothesis is that the PTO assesses the air pressure exerted on the external surface of the tympanic membrane. The PTO could may thus function as a barometer and, in flying birds, also as an altimeter...
July 1, 2017: Archives Italiennes de Biologie
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