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https://www.readbyqxmd.com/read/28732224/three-dimensional-changes-in-the-upper-airway-of-skeletal-class-iii-patients-after-different-orthognathic-surgical-procedures
#1
Yuxue Yang, Kai Yang, Ying Zhao
PURPOSE: We hypothesized that 3-dimensional changes in the upper airway of patients with skeletal Class III malocclusion are different after mandibular setback and maxillary advancement (MSMA) compared with mandibular setback (MS) and that upper airway changes and the amount of jaw movement are correlated. PATIENTS AND METHODS: Skeletal Class III patients who underwent MS surgery or MSMA surgery were included in this retrospective cohort study. Cone beam computed tomography scans were acquired before and 3 months after surgery...
June 24, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28726511/how-do-probiotics-and-prebiotics-function-at-distant-sites
#2
G Reid, T Abrahamsson, M Bailey, L B Bindels, R Bubnov, K Ganguli, C Martoni, C O'Neill, H M Savignac, C Stanton, N Ship, M Surette, K Tuohy, S van Hemert
The realisation that microbes regarded as beneficial to the host can impart effects at sites distant from their habitat, has raised many possibilities for treatment of diseases. The objective of a workshop hosted in Turku, Finland, by the International Scientific Association for Probiotics and Prebiotics, was to assess the evidence for these effects and the extent to which early life microbiome programming influences how the gut microbiota communicates with distant sites. In addition, we examined how probiotics and prebiotics might affect the skin, airways, heart, brain and metabolism...
July 20, 2017: Beneficial Microbes
https://www.readbyqxmd.com/read/28714534/adjustable-thermoplastic-oral-appliance-versus-positive-airway-pressure-for-obstructive-sleep-apnea
#3
Wish Banhiran, Paraya Assanasen, Cherdchai Nopmaneejumrudlers, Nongyoaw Nujchanart, Wimontip Srechareon, Cheerasook Chongkolwatana, Choakchai Metheetrairut
OBJECTIVES/HYPOTHESIS: To compare outcomes of continuous positive airway pressure (CPAP) and the adjustable thermoplastic mandibular advancement splint (AT-MAS) for obstructive sleep apnea treatment. STUDY DESIGN: Randomized crossover, noninferiority, tertiary center setting. METHODS: Fifty patients with a mean age of 49.5 ± 10.6 years were enrolled. Inclusion criteria were age ≥18 years, apnea-hypopnea index (AHI) ≥5 events/hour, and oxygen saturation ≥70%...
July 17, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28713734/treatment-of-micrognathia-by-intraoral-distraction-osteogenesis-a-prospective-study
#4
M Baskaran, S Gidean Arularasan, T K Divakar, Rohini Thirunavukkarasu
PURPOSE: Maxillofacial deformities are always psychologically and physically distressing to the patients and is also challenging to the treating surgeons. The term Micrognathia means a "small jaw". True micrognathia, where the maxilla or the mandibular skeleton does not grow to the full size can be congenital or acquired. Distraction osteogenesis also called as callus distraction or callostasis or osteodistraction or distraction histogenesis is a biological process of regenerating newly formed bone and adjacent soft tissue by a gradual and controlled traction of surgically separated bone segments...
January 2017: Annals of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28711782/the-human-microbiome
#5
REVIEW
Hubert E Blum
Until recently, human microbiology was based on the identification of single microbes, such as bacteria, fungi and viruses, frequently isolated from patients with acute or chronic infections. Novel culture-independent molecular biochemical analyses (genomics, transcriptomics, proteomics, metabolomics) allow today to detect and classify the diverse microorganisms in a given ecosystem (microbiota), such as the gastrointestinal tract, the skin, the airway system, the urogenital tract and others, and to assess all genomes in these ecosystems (microbiome) as well as their gene products...
July 13, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/28708422/epithelial-sodium-channel-enac-is-a-modifier-of-the-long-term-non-progressive-phenotype-associated-with-f508del-cftr-mutations
#6
Pankaj B Agrawal, Ruobing Wang, Hongmei Lisa Li, Klaus Schmitz-Abe, Chantelle Simone-Roach, Jingxin Chen, Jiahai Shi, Tin Louie, Shaohu Sheng, Meghan C Towne, Christine F Brainson, Michael A Matthay, Carla F Kim, Michael Bamshad, Mary J Emond, Norma P Gerard, Thomas R Kleyman, Craig Gerard
BACKGROUND: Cystic Fibrosis (CF) remains the most lethal genetic disease in the Caucasian population. However, there is great variability of clinical phenotype and survival, even among patients harboring the same genotype. We identified five CF patients with a homozygous F508del mutation in the CFTR gene living in their 5th or 6th decade of life, all with minimal change in lung function over longitudinal period of more than 20 years. Because of the rarity of this long-term non-progressive phenotype, we hypothesized those individuals may carry rare genetic variants in modifier genes that ameliorate disease severity...
July 14, 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/28706766/a-case-based-review-of-the-management-of-penetrating-brain-trauma
#7
Jason Milton, Alex Rugino, Kailash Narayan, Chris Karas, Victor Awuor
Principles of penetrating head trauma management were established by Harvey Cushing in relation to the management of penetrating brain injuries of World War One. Cushing radically debrided the scalp and skull and aggressively irrigated wound tracks to remove foreign bodies. He would then obtain water-tight closure. Cushing significantly decreased infection rates which reportedly limited the major cause of mortality due to penetrating head injuries. Many advances have been made by contributions from World War Two, Korean War, Vietnam War, and Iran/Iraq conflicts...
June 12, 2017: Curēus
https://www.readbyqxmd.com/read/28704797/knockout-of-rage-ameliorates-mainstream-cigarette-smoke-induced-airway-inflammation-in-mice
#8
Mei Chen, Tao Wang, Yongchun Shen, Dan Xu, Xiaoou Li, Jing An, Jiajia Dong, Diandian Li, Fuqiang Wen, Lei Chen
BACKGROUND: The receptor for advanced glycation end products (RAGE), a multiligand receptor, has been proved to be implicated in inflammatory responses in chronic obstructive pulmonary disease (COPD). In this study, we investigated the role of RAGE in cigarette smoke (CS)-induced airway inflammation in COPD. METHODS: Wild-type (WT) and RAGE gene knockout (KO) mice were exposed to mainstream CS or room air for 2h twice daily, 6days per week for consecutive 4weeks...
July 10, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28698134/effects-of-advanced-life-support-on-patients-who-suffered-cardiac-arrest-outside-of-hospital-and-were-defibrillated
#9
Akihito Hagihara, Daisuke Onozuka, Takashi Nagata, Manabu Hasegawa
BACKGROUND: The effects and relative benefits of advanced airway management and epinephrine on patients with out-of-hospital cardiac arrest (OHCA) who were defibrillated are not well understood. METHODS: This was a prospective observational study. Using data of all out-of-hospital cardiac arrest cases occurring between 2005 and 2013 in Japan, hierarchical logistic regression and conditional logistic regression along with time-dependent propensity matching were performed...
July 5, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28695816/research-advances-in-the-role-of-bromodomain-containing-protein-4-in-epithelial-mesenchymal-transition-in-asthma
#10
Yan Zheng, Jun Wang, Qiugen Li
Asthma is a chronic airway disease characterized by airway inflammation and airway remodeling. Chronic airway inflammation can be involved in airway remodeling in asthmatic patients by incuding epithelial-mesenchymal transition (EMT).Bromodomain-containing protein 4 (BRD4) is a key transcriptional regulator in mammals,and many evidences have shown that BRD4 plays a pivotal role in airway remodeling via nuclear factor-κB/RelA signaling pathway. This review summarizes the recent advances in the role of BRD4 in regulating EMT,with an attempt to elucidate the molecular mechanisms of asthma and inform the prevention and control of asthma...
June 20, 2017: Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae
https://www.readbyqxmd.com/read/28693463/descriptive-analysis-of-cochrane-child-relevant-systematic-reviews-an-update-and-comparison-between-2009-and-2013
#11
Katelynn Crick, Denise Thomson, Ricardo M Fernandes, Megan Nuspl, Dean T Eurich, Brian H Rowe, Lisa Hartling
BACKGROUND: Systematic reviews support health systems and clinical decision-making by identifying and summarizing all existing studies on a particular topic. In 2009, a comprehensive description of child-relevant systematic reviews published in the Cochrane Database of Systematic Reviews was compiled. This study aims to provide an update, and to describe these systematic reviews according to their content and methodological approaches. METHODS: All child-relevant systematic reviews published by the Cochrane Collaboration in the Cochrane Database of Systematic Reviews (CDSR) as of March, 2013 were identified and described in relation to their content and methodological approaches...
July 11, 2017: BMC Pediatrics
https://www.readbyqxmd.com/read/28684302/assessment-of-obstructive-sleep-apnoea-treatment-success-or-failure-after-maxillomandibular-advancement
#12
M H T de Ruiter, R C Apperloo, D M J Milstein, J de Lange
Maxillomandibular advancement (MMA) is an alternative therapeutic option that is highly effective for treating obstructive sleep apnoea (OSA). MMA provides a solution for OSA patients that have difficulty accepting lifelong treatments with continuous positive airway pressure or mandibular advancement devices. The goal of this study was to investigate the different characteristics that determine OSA treatment success/failure after MMA. The apnoea-hypopnoea index (AHI) was used to determine the success or failure of OSA treatment after MMA...
July 3, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28680600/a-novel-imaging-technique-to-evaluate-airflow-characteristics-in-the-upper-airway-of-an-obstructive-sleep-apnea-patient
#13
Hui Chen, Ghizlane Aarab, Jian-Wei Liu, Yong-Liang Yu, Jing Guo, Paul F van der Stelt, Frank Lobbezoo
We report about a novel imaging technique for airflow analysis, particle image velocimetry (PIV), used in a moderate obstructive sleep apnea (OSA) patient. By measuring the airflow characteristics in the upper airway at different protrusion positions, the effect of mandibular advancement device (MAD) on OSA was further understood.
July 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/28677664/allergenic-proteases-cleave-the-chemokine-cx3cl1-directly-from-the-surface-of-airway-epithelium-and-augment-the-effect-of-rhinovirus
#14
M Loxham, D E Smart, N J Bedke, N P Smithers, I Filippi, C Blume, E J Swindle, K Tariq, P H Howarth, S T Holgate, D E Davies
CX3CL1 has been implicated in allergen-induced airway CD4(+) T-lymphocyte recruitment in asthma. As epidemiological evidence supports a viral infection-allergen synergy in asthma exacerbations, we postulated that rhinovirus (RV) infection in the presence of allergen augments epithelial CX3CL1 release. Fully differentiated primary bronchial epithelial cultures were pretreated apically with house dust mite (HDM) extract and infected with rhinovirus-16 (RV16). CX3CL1 was measured by enzyme-linked immunosorbent assay and western blotting, and shedding mechanisms assessed using inhibitors, protease-activated receptor-2 (PAR-2) agonist, and recombinant CX3CL1-expressing HEK293T cells...
July 5, 2017: Mucosal Immunology
https://www.readbyqxmd.com/read/28669635/neuropsychiatry-phenotype-in-asthma-psychological-stress-induced-alterations-of-the-neuroendocrine-immune-system-in-allergic-airway-inflammation
#15
REVIEW
Isao Ohno
Since the recognition of asthma as a syndrome with complex pathophysiological signs and symptoms, recent research has sought to classify asthma phenotypes based on its clinical and molecular pathological features. Psychological stress was first recognized as a potential immune system modulator of asthma at the end of the 19th century. The activation of the central nervous system (CNS) upon exposure to psychological stress is integral for the initiation of signal transduction processes. The stress hormones, including glucocorticoids, epinephrine, and norepinephrine, which are secreted following CNS activation, are involved in the immunological alterations involved in psychological stress-induced asthma exacerbation...
June 29, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/28669462/advanced-pediatric-airway-simulation
#16
REVIEW
Charles M Myer, Noel Jabbour
Simulation is an emerging and viable means to increase pediatric airway surgical training. A variety of simulators currently exist that may be used or modified for laryngoscopy, bronchoscopy, and endoscopic intervention, although anatomic realism and utility for complex procedures are limited. There is a need for further development of improved endoscopic and anatomic models. Innovative techniques are enabling small-scale manufacturing of generalizable and patient-specific simulators. The high acuity of the pediatric airway patient makes the use of simulation an attractive modality for training, competency maintenance, and patient safety quality-improvement studies...
June 29, 2017: Otolaryngologic Clinics of North America
https://www.readbyqxmd.com/read/28669444/long-term-influence-of-mandibular-advancement-on-the-volume-of-the-posterior-airway-in-skeletal-class-ii-patients-a-retrospective-analysis
#17
D Dalla Torre, D Burtscher, G Widmann, M Rasse, T Puelacher, W Puelacher
In the past, maxillomandibular advancement has resulted in considerable improvement in the volume of the posterior airway space. The objective of the present study was to find out how mandibular advancement without maxillary involvement would affect the posterior airway space in patients with mandibular retrognathism. Cone-beam computed tomographic (CT) scans were done for 20 patients before, and six months after, mandibular advancement. Cephalometric analysis at both time points included 2-dimensional and 3-dimensional assessment of the upper airway...
June 29, 2017: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/28669372/observational-study-on-safety-of-prehospital-bls-cpap-in-dyspnea
#18
Novneet Sahu, Patrick Matthews, Kathryn Groner, Mia A Papas, Ross Megargel
Introduction Continuous positive airway pressure (CPAP) improves outcomes in patients with respiratory distress. Additional benefits are seen with CPAP application in the prehospital setting. Theoretical safety concerns regarding Basic Life Support (BLS) providers using CPAP exist. In Delaware's (USA) two-tiered Emergency Medical Service (EMS) system, BLS often arrives before Advanced Life Support (ALS). Hypothesis This study fills a gap in literature by evaluating the safety of CPAP applied by BLS prior to ALS arrival...
July 3, 2017: Prehospital and Disaster Medicine
https://www.readbyqxmd.com/read/28667069/role-of-human-metapneumovirus-and-respiratory-syncytial-virus-in-asthma-exacerbations-where-are-we-now
#19
REVIEW
Penny A Rudd, Belinda J Thomas, Ali Zaid, Martin MacDonald, Keiko Kan-O, Michael S Rolph, Anand R Soorneedi, Philip G Bardin, Suresh Mahalingam
Since its discovery in 2001, human metapneumovirus (hMPV) has been identified as an important cause of respiratory tract infection in young children, second only to the closely related respiratory syncytial virus (RSV). Clinical evidence suggests that hMPV is associated with acute exacerbations of asthma in both children and adults, and may play a role in initiating asthma development in children. Animal models have demonstrated that airway hyperresponsiveness (AHR) and inflammation are triggered following hMPV infection, and hMPV is able to persist in vivo by inhibiting innate immune responses and causing aberrant adaptive responses...
July 15, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28665848/change-in-posterior-pharyngeal-space-after-counterclockwise-rotational-orthognathic-surgery-for-class-ii-dentofacial-deformity-diagnosed-with-obstructive-sleep-apnea-based-on-cephalometric-analysis
#20
Woo Shik Jeong, Young Chul Kim, Yoo Sam Chung, Chang Yeol Lee, Jong Woo Choi
Although maxillomandibular advancement (MMA) is an orthognathic surgical procedure used to manage obstructive sleep apnea (OSA) in individuals who are noncompliant with continuous positive airway pressure therapy, simple MMA encounters problems in terms of aesthetic outcomes in Asian populations with preexisting dentoalveolar protrusion. Our current prospective investigation describes changes in posterior pharyngeal space and aesthetic outcomes after counterclockwise rotational orthognathic surgery, which is known to be quite difficult in terms of the maintenance of the skeletal stability in skeletal class II patients with OSA...
June 29, 2017: Journal of Craniofacial Surgery
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