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https://www.readbyqxmd.com/read/28092475/temperature-development-on-the-external-root-surface-during-laser-assisted-endodontic-treatment-applying-a-microchopped-mode-of-a-980%C3%A2-nm-diode-laser
#1
Franziska Beer, Eleftherios Terry R Farmakis, Josip Kopic, Christoph Kurzmann, Andreas Moritz
OBJECTIVE: The aim of this article was to investigate the temperature increase of the external root surface during laser-assisted endodontic treatment using a diode laser (980 nm) in a microchopped mode. METHODS: Ten freshly extracted, human maxillary incisors with mature apices were collected, prepared to size F4 at working length (ProTaper; Dentsply Maillefer, Ballaigues, Switzerland), mounted to a holder, and irradiated (using spiral movements in coronal direction) with a diode laser (GENTLEray 980 Classic Plus; KaVo, Biberach, Germany) with a 200 μm fiber in four different treatment groups: Group 1 (control group) was irradiated in six cycles of 5-sec irradiation/20-sec pause with 2...
January 12, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28092341/unilateral-spinous-process-non-covering-hook-type-patient-specific-drill-template-for-thoracic-pedicle-screw-fixation-a-pilot-clinical-trial-and-template-classification
#2
Sang Bum Kim, Yougun Won, Hyun Jin Yoo, Lee Jae Sin, John M Rhee, Sang Wook Lee, Gi-Soo Lee
STUDY DESIGN: Prospective Clinical Pilot tudy OBJECTIVE.: To confirm the accuracy of thoracic pedicle screw placement by using the unilateral spinous non-covering hook type patient-specific drill template (PSDT) made through rapid prototyping (RP) and to analyze previously reported PSDT designs and their characteristics. SUMMARY OF BACKGROUND DATA: Pedicle screw fixation is the most common form of the posterior instrumentation of the thoracic and lumbar spine. Various techniques have been introduced to improve pedicle screw placement...
January 13, 2017: Spine
https://www.readbyqxmd.com/read/28092310/new-insights-into-the-gut-as-the-driver-of-critical-illness-and-organ-failure
#3
Mei Meng, Nathan J Klingensmith, Craig M Coopersmith
PURPOSE OF REVIEW: The gut has long been hypothesized to be the 'motor' of multiple organ dysfunction syndrome. This review serves as an update on new data elucidating the role of the gut as the propagator of organ failure in critical illness. RECENT FINDINGS: Under basal conditions, the gut absorbs nutrients and serves as a barrier that prevents approximately 40 trillion intraluminal microbes and their products from causing host injury. However, in critical illness, gut integrity is disrupted with hyperpermeability and increased epithelial apoptosis, allowing contamination of extraluminal sites that are ordinarily sterile...
January 13, 2017: Current Opinion in Critical Care
https://www.readbyqxmd.com/read/28090512/surgical-applications-of-three-dimensional-printing-a-review-of-the-current-literature-how-to-get-started
#4
REVIEW
Don Hoang, David Perrault, Milan Stevanovic, Alidad Ghiassi
Three dimensional (3D) printing involves a number of additive manufacturing techniques that are used to build structures from the ground up. This technology has been adapted to a wide range of surgical applications at an impressive rate. It has been used to print patient-specific anatomic models, implants, prosthetics, external fixators, splints, surgical instrumentation, and surgical cutting guides. The profound utility of this technology in surgery explains the exponential growth. It is important to learn how 3D printing has been used in surgery and how to potentially apply this technology...
December 2016: Annals of Translational Medicine
https://www.readbyqxmd.com/read/28089965/increasing-patient-safety-by-closing-the-sterile-production-gap-part-2-implementation
#5
James Agalloco
Terminal sterilization is considered the preferred means for the production of sterile drug products as it affords enhanced safety for the patient as the formulation is filled into its final container, sealed and sterilized. Despite the obvious patient benefits, the use of terminal sterilization is artificially constrained by unreasonable expectations for the minimum time-temperature process to be used. The core misunderstanding with terminal sterilization is a fixation that destruction of a high population of a resistant biological indicator is required...
January 15, 2017: PDA Journal of Pharmaceutical Science and Technology
https://www.readbyqxmd.com/read/28089964/increasing-patient-safety-by-closing-the-sterile-production-part-1-introduction
#6
James Agalloco
Terminal sterilization is considered the preferred means for the production of sterile drug products as it affords enhanced safety for the patient as the formulation is filled into its final container, sealed and sterilized. Despite the obvious patient benefits, the use of terminal sterilization is artificially constrained by unreasonable expectations for the minimum time-temperature process to be used. The core misunderstanding with terminal sterilization is a fixation that destruction of a high population of a resistant biological indicator is required...
January 15, 2017: PDA Journal of Pharmaceutical Science and Technology
https://www.readbyqxmd.com/read/28088867/the-political-use-of-psychiatry-a-comparison-between-totalitarian-regimes
#7
Massimiliano Buoli, Aldo Sabino Giannuli
BACKGROUND: After the end of Second World War, the recent experience of the Nazi horrors stimulated a debate about the political use of psychiatry. Over the years, the focus shifted on major dictatorships of the time and especially on Soviet Union. AIMS: This article aims to provide a critical review of the ways in which psychiatry was used by totalitarian regimes of the 20th century. METHODS: We summarized relevant literature about political use of psychiatry in totalitarian regimes of the 20th century, with particular focus on Fascism, Nazism, Argentina dictatorship, Soviet Union and China...
January 1, 2017: International Journal of Social Psychiatry
https://www.readbyqxmd.com/read/28088497/offering-the-full-range-of-contraceptive-options-a-survey-of-interest-in-vasectomy-training-in-the-us-family-planning-community
#8
Brian T Nguyen, Andrea L Jochim, Grace H Shih
OBJECTIVE: To assess current practices regarding female and male sterilization counseling and provision, as well as determine interest in providing vasectomy among family planning specialists. METHODS: Members of the US-based network of family planning fellowship physicians (current fellows, graduates, and faculty) received a web-based survey from November 2015 through January 2016 regarding current sterilization preferences and practices, as well as interest in obtaining training in vasectomy counseling and procedure...
January 11, 2017: Contraception
https://www.readbyqxmd.com/read/28088406/short-communication-effects-of-vacuum-freeze-drying-on-inactivation-of-cronobacter-sakazakii-atcc29544-in-liquid-media-with-different-initial-inoculum-levels
#9
Rui Jiao, Jina Gao, Xiyan Zhang, Maofeng Zhang, Jiren Chen, Qingping Wu, Jumei Zhang, Yingwang Ye
Vacuum freeze-drying is an important food-processing technology for valid retention of nutrients and bioactive compounds. Cronobacter sakazakii has been reported to be associated with severe infections in neonates through consumption of contaminated powdered infant formula. In this study, effects of vacuum freeze-drying treatment for 12, 24, and 36 h on inactivation of C. sakazakii with different initial inoculum levels in sterile water, tryptic soy broth (TSB), skim milk, and whole milk were determined. Results indicated that the lethality rate of C...
January 11, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28088084/correlates-of-anti-hepatitis-c-positivity-and-use-of-harm-reduction-services-among-people-who-inject-drugs-in-two-cities-in-croatia
#10
Senad Handanagic, Sandra Sevic, Jelena Barbaric, Zoran Dominkovic, Oktavija Dakovic Rode, Josip Begovac, Ivana Bozicevic
BACKGROUND: We assessed correlates of anti-hepatitis C (anti-HCV) positivity and utilization of needle and syringe exchange programs (NSEP) and opioid agonist treatment (OAT) among people who inject drugs (PWID) in two Croatian cities. METHODS: We conducted a cross-sectional study using respondent-driven (RDS) sampling among PWID in Rijeka (N=255) and Split (N=399). We used RDS-weighted population estimates and multivariable logistic regression to explore correlates of anti-HCV positivity and NSEP and OAT utilization...
December 7, 2016: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28087948/regulation-of-immunity-to-tuberculosis
#11
Susanna Brighenti, Diane J Ordway
Immunity against Mycobacterium tuberculosis requires a balance between adaptive immune responses to constrain bacterial replication and the prevention of potentially damaging immune activation. Regulatory T (Treg) cells express the transcription factor Foxp3+ and constitute an essential counterbalance of inflammatory Th1 responses and are required to maintain immune homeostasis. The first reports describing the presence of Foxp3-expressing CD4+ Treg cells in tuberculosis (TB) emerged in 2006. Different Treg cell subsets, most likely specialized for different tissues and microenvironments, have been shown to expand in both human TB and animal models of TB...
December 2016: Microbiology Spectrum
https://www.readbyqxmd.com/read/28087922/urogenital-tuberculosis
#12
André A Figueiredo, Antônio M Lucon, Miguel Srougi
Urogenital tuberculosis is the second most frequent form of extrapulmonary tuberculosis. Starting with a pulmonary focus, 2 to 20% of patients develop urogenital tuberculosis through hematogenous spread to the kidneys, prostate, and epididymis; through the descending collecting system to the ureters, bladder, and urethra; and through the ejaculatory ducts to the genital organs. Urogenital tuberculosis occurs at all age ranges, but it is predominant in males in their fourth and fifth decades. It is a serious, insidious disease, generally developing symptoms only at a late stage, which leads to a diagnostic delay with consequent urogenital organ destruction; there are reports of patients with renal failure as their initial clinical presentation...
January 2017: Microbiology Spectrum
https://www.readbyqxmd.com/read/28087916/-a-case-of-idiopathic-hypertrophic-cranial-pachymeningitis-presenting-as-chronic-subdural-hematoma
#13
Zhan He, Fang Ding, Jiandong Rong, Yongli Gan
A 26-year-old male presented with a 6-day history of paroxysmal headache which was worsen with nausea and vomiting for 1 day. Head CT on admission revealed left chronic subdural hematoma with midline shift. An emergency Burr hole drainage for hematoma was performed. Headache recurred 6 days later. MRI of the brain revealed a diffuse thickening and a gadolinium-enhancement of the falx, cranial dura mater and tentorium cerebelli on the left side with pia mater involved. Lumber puncture showed increased intracranial pressure and elevated IgG level in cerebrospinal fluid...
May 25, 2016: Zhejiang da Xue Xue Bao. Yi Xue Ban, Journal of Zhejiang University. Medical Sciences
https://www.readbyqxmd.com/read/28087668/the-threshold-of-protection-from-liver-stage-malaria-relies-on-a-fine-balance-between-the-number-of-infected-hepatocytes-and-effector-cd8-t-cells-present-in-the-liver
#14
Alexandra J Spencer, Rhea J Longley, Anita Gola, Marta Ulaszewska, Teresa Lambe, Adrian V S Hill
Since the demonstration of sterile protection afforded by injection of irradiated sporozoites, CD8(+) T cells have been shown to play a significant role in protection from liver-stage malaria. This is, however, dependent on the presence of an extremely high number of circulating effector cells, thought to be necessary to scan, locate, and kill infected hepatocytes in the short time that parasites are present in the liver. We used an adoptive transfer model to elucidate the kinetics of the effector CD8(+) T cell response in the liver following Plasmodium berghei sporozoite challenge...
January 13, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28087651/frontline-science-multiple-cathepsins-promote-inflammasome-independent-particle-induced-cell-death-during-nlrp3-dependent-il-1%C3%AE-activation
#15
Gregory M Orlowski, Shruti Sharma, Jeff D Colbert, Matthew Bogyo, Stephanie A Robertson, Hiroshi Kataoka, Francis K Chan, Kenneth L Rock
Sterile particles cause several chronic, inflammatory diseases, characterized by repeating cycles of particle phagocytosis and inflammatory cell death. Recent studies have proposed that these processes are driven by the NLRP3 inflammasome, a platform activated by phagocytosed particles, which controls both caspase-1-dependent cell death (pyroptosis) and mature IL-1β secretion. After phagocytosis, particles can disrupt lysosomes, and inhibitor studies have suggested that the resulting release of a lysosomal protease-cathepsin B-into the cytosol somehow activates NLRP3...
January 13, 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/28087480/the-role-of-opportunistic-bilateral-salpingectomy-versus-tubal-occlusion-or-ligation-for-ovarian-cancer-prophylaxis
#16
REVIEW
Lisa Ely, Mireille Truong
Bilateral tubal ligation for sterilization has been known to decrease the risk of ovarian cancer. Recent studies have suggested that bilateral salpingectomy (BS) may be an alternative to bilateral tubal ligation (BTL) or tubal occlusion for women desiring permanent sterilization, due to possible greater protective effect against ovarian cancer. A review of the literature in PubMed (MEDLINE) was performed for publications between 2010 and 2016 addressing the role of bilateral salpingectomy at the time of sterilization and to compare its efficacy in regards to ovarian cancer prevention, operative outcomes and ovarian function with BTL...
January 10, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28087052/contraceptive-practices-of-women-with-complex-congenital-heart-disease
#17
Pamela D Miner, Mary M Canobbio, Dorothy D Pearson, Mary Schlater, Yvonne Balon, Kathryn J Junge, Ami Bhatt, Deena Barber, Michelle J Nickolaus, Adrienne H Kovacs, Philip Moons, Kate Shaw, Susan M Fernandes
Understanding the contraceptive practices of women with complex congenital heart disease (CHD) and providing them individualized contraception counseling may prevent adverse events and unplanned high-risk pregnancies. Given this, we sought to examine the contraceptive practices in women with CHD, describe adverse events associated with contraceptive use, and describe the provision of contraception counseling. Women >18 years were recruited from 2011 to 2014 from 9 adult CHD (ACHD) centers throughout North America...
December 18, 2016: American Journal of Cardiology
https://www.readbyqxmd.com/read/28079549/contemporary-methods-allowing-for-safe-and-convenient-use-of-amniotic-membrane-as-a-biologic-wound-dressing-for-burns
#18
David N Herndon, Ludwik K Branski
Partial-thickness burns involve damage to the upper layer of skin, which leaves nerve endings exposed, and therefore represent the most painful of several categories of thermal injuries. Historically, partial-thickness burns were treated conservatively by debriding the blisters, by daily tubbing and washing, and the application of new bandages with topical medications. Human amniotic membrane has been used for centuries as a biological wound dressing. In the past 20 years, there has been an increasing body of literature addressing the use of amniotic tissue in chronic wounds and burns...
February 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28078801/abnormal-pollen-vacuolation1-apv1-is-required-for-male-fertility-by-contributing-to-anther-cuticle-and-pollen-exine-formation-in-maize
#19
Yamuna Somaratne, Youhui Tian, Hua Zhang, Mingming Wang, Yanqing Huo, Fengge Cao, Li Zhao, Huabang Chen
Anther cuticle and pollen exine are the major protective barriers against various stresses. The proper functioning of genes expressed in the tapetum is vital for the development of pollen exine and anther cuticle. In this study, we report a tapetum-specific gene, Abnormal Pollen Vacuolation1 (APV1), in maize that affects anther cuticle and pollen exine formation. The apv1 mutant was completely male sterile. Its microspores were swollen, less vacuolated, with a flat and empty anther locule. In the mutant, the anther epidermal surface was smooth, shiny, and plate-shaped compared with the three-dimensional crowded ridges and randomly formed wax crystals on the epidermal surface of the wild type...
January 12, 2017: Plant Journal: for Cell and Molecular Biology
https://www.readbyqxmd.com/read/28077655/expression-of-ifnlr1-on-intestinal-epithelial-cells-is-critical-to-the-antiviral-effects-of-ifn-lambda-against-norovirus-and-reovirus
#20
Megan T Baldridge, Sanghyun Lee, Judy J Brown, Nicole McAllister, Kelly Urbanek, Terence S Dermody, Timothy J Nice, Herbert W Virgin
: Interferon-lambda (IFN-λ) has potent antiviral effects against multiple enteric viral pathogens, including norovirus and rotavirus, in both preventing and curing infection. Because the intestine includes a diverse array of cell types, however, the cell(s) upon which IFN-λ acts to exert its antiviral effects are unclear. Here, we sought to identify IFN-λ responsive cells by generation of mice with lineage-specific deletion of the receptor for IFN-λ, Ifnlr1 We found that expression of IFNLR1 on intestinal epithelial cells (IECs) in the small intestine and colon is required for enteric IFN-λ antiviral activity...
January 11, 2017: Journal of Virology
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