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https://www.readbyqxmd.com/read/28541917/an-unobtrusive-computerized-assessment-framework-for-unilateral-peripheral-facial-paralysis
#1
Zhe-Xiao Guo, Guo Dan, Jianghuai Xiang, Jun Wang, Wanzhang Yang, Huijun Ding, Oliver Deussen, Yongjin Zhou
Unilateral peripheral facial paralysis (UPFP) is a form of facial nerve paralysis and clinically classified according to conditions of facial symmetry. Prompt and precise assessment is crucial to neural rehabilitation of UPFP. The prevalent House-Brackmann (HB) grading system relies on subjective judgments with significant inter-observation variation. Therefore to explore an objective method for UPFP assessment, clinical image sequences are captured using a web camera setup while 5 healthy and 27 UPFP subjects performing a group of pre-defined actions, including keeping expressionless, raising brows, closing eyes, bulging cheek and showing teeth in turn...
May 24, 2017: IEEE Journal of Biomedical and Health Informatics
https://www.readbyqxmd.com/read/28523052/efficacy-of-brow-suspension-with-autogenous-fascia-lata-in-simple-congenital-ptosis
#2
Farhan Ali, Muhammad Saim Khan, Muhammad Sharjeel, Zaheer Ud Din, Bilal Murtaza, Asfandyar Khan
OBJECTIVE: To assess the mean change in interpalpebral fissure height and marginal reflex distance after brow suspension with autogenous fascia lata sling in patients of ptosis. METHODS: This was a Quasi experimental study conducted at Department of Ophthalmology, Mayo Hospital, King Edwards Medical University Lahore, from Jan 2013 to June 2016. Included were the patients who had unilateral or bilateral ptosis with poor levator function (< 5 mm). Informed consent was obtained from all patients after explaining about the research project...
March 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28522979/spontaneous-facial-actions-map-onto-emotional-experiences-in-a-non-social-context-toward-a-component-based-approach
#3
Shushi Namba, Russell S Kabir, Makoto Miyatani, Takashi Nakao
While numerous studies have examined the relationships between facial actions and emotions, they have yet to account for the ways that specific spontaneous facial expressions map onto emotional experiences induced without expressive intent. Moreover, previous studies emphasized that a fine-grained investigation of facial components could establish the coherence of facial actions with actual internal states. Therefore, this study aimed to accumulate evidence for the correspondence between spontaneous facial components and emotional experiences...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28505033/minimally-invasive-brow-lifting-techniques
#4
Talmage Broadbent, Ali Mohktarzadeh, Andrew Harrison
PURPOSE OF REVIEW: Aesthetic concerns about upper eyelid and brow position are very common in ophthalmic practice. Management of brow descent and devolumization requires an approach customized to each patient taking into consideration preoperative examination and patient desires. This article will review several minimally invasive techniques that can be used to address the needs of patients with mild-to-moderate brow ptosis. RECENT FINDINGS: Recent publications describe and analyse efficacy of several variations of browpexy techniques...
May 12, 2017: Current Opinion in Ophthalmology
https://www.readbyqxmd.com/read/28483873/effect-of-extreme-sea-surface-temperature-events-on-the-demography-of-an-age-structured-albatross-population
#5
Deborah Pardo, Stéphanie Jenouvrier, Henri Weimerskirch, Christophe Barbraud
Climate changes include concurrent changes in environmental mean, variance and extremes, and it is challenging to understand their respective impact on wild populations, especially when contrasted age-dependent responses to climate occur. We assessed how changes in mean and standard deviation of sea surface temperature (SST), frequency and magnitude of warm SST extreme climatic events (ECE) influenced the stochastic population growth rate log(λs) and age structure of a black-browed albatross population. For changes in SST around historical levels observed since 1982, changes in standard deviation had a larger (threefold) and negative impact on log(λs) compared to changes in mean...
June 19, 2017: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28483863/effects-of-extreme-weather-on-two-sympatric-australian-passerine-bird-species
#6
Janet L Gardner, Eleanor Rowley, Perry de Rebeira, Alma de Rebeira, Lyanne Brouwer
Despite abundant evidence that natural populations are responding to climate change, there are few demonstrations of how extreme climatic events (ECEs) affect fitness. Climate warming increases adverse effects of exposure to high temperatures, but also reduces exposure to cold ECEs. Here, we investigate variation in survival associated with severity of summer and winter conditions, and whether survival is better predicted by ECEs than mean temperatures using data from two coexisting bird species monitored over 37 years in southwestern Australia, red-winged fairy-wrens, Malurus elegans and white-browed scrubwrens, Sericornis frontalis Changes in survival were associated with temperature extremes more strongly than average temperatures...
June 19, 2017: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28448667/association-between-facial-rejuvenation-and-observer-ratings-of-youth-attractiveness-success-and-health
#7
Kristin L Bater, Lisa E Ishii, Ira D Papel, Theda C Kontis, Patrick J Byrne, Kofi D O Boahene, Jason C Nellis, Masaru Ishii
Importance: Surgical procedures for the aging face-including face-lift, blepharoplasty, and brow-lift-consistently rank among the most popular cosmetic services sought by patients. Although these surgical procedures are broadly classified as procedures that restore a youthful appearance, they may improve societal perceptions of attractiveness, success, and health, conferring an even larger social benefit than just restoring a youthful appearance to the face. Objectives: To determine if face-lift and upper facial rejuvenation surgery improve observer ratings of age, attractiveness, success, and health and to quantify the effect of facial rejuvenation surgery on each individual domain...
April 27, 2017: JAMA Facial Plastic Surgery
https://www.readbyqxmd.com/read/28445376/defining-temporal-hairline-landmarks
#8
Purushottam A Nagarkar, Jonathan Cheng
Brow dermoids are benign pediatric neoplasms. Endoscopic resection requires incisions placed within the temporal hairline, which is often difficult to reliably locate in infants. The authors studied adult and pediatric patients to define the location of the hairline in relationship to simple facial landmarks. Adult and pediatric patients who were seen in preoperative consultation for facial surgical procedures were identified and included in the study. Patients with a history of facial trauma, surgery, or congenital anomalies were excluded...
May 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28445360/facial-danger-zones-techniques-to-maximize-safety-during-soft-tissue-filler-injections
#9
Jack F Scheuer, David A Sieber, Ronnie A Pezeshk, Andrew A Gassman, Carey F Campbell, Rod J Rohrich
Given the short recovery and immediate results, facial fillers have become a popular alternative to surgical rejuvenation of the face. Reported complications arising from facial filler injections include erythema, tissue loss, blindness, stroke, and even death. In this article, the authors describe their anatomically based techniques to minimize risk and maximize safety when injecting in the facial danger zones, including the glabella/brow, temporal region, perioral region, nasolabial fold, nose, and infraorbital region...
May 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28444838/modified-brow-suspension-technique-for-the-treatment-of-pseudoptosis-due-to-redundant-frontal-skin-in-the-dog-a-retrospective-study-of-25-cases
#10
Martí Cairó, Marta Leiva, Daniel Costa, Maria Teresa Peña
PURPOSE: To describe the outcome of modified brow suspension technique for the treatment of upper eyelid pseudoptosis in canine patients with redundant frontal skin folds. METHODS: Medical records from 1999 to 2015 were retrospectively reviewed. Only dogs that underwent modified brow suspension for treating bilateral pseudoptosis were included in the study. Recorded data included breed, age, gender, main ophthalmic complaint, ocular findings, suture material used for brow suspension, number of slings placed, postoperative treatment, complications, follow-up time, and outcome...
April 25, 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/28437352/effect-and-strategy-of-1-stage-interrupted-2-level-transpedicular-wedge-osteotomy-for-correcting-severe-kyphotic-deformities-in-ankylosing-spondylitis
#11
Yongfei Zhao, Yan Wang, Zheng Wang, Xuesong Zhang, Keya Mao, Yonggang Zhang
STUDY DESIGN: Prospective study. OBJECTIVE: To investigate the safety, outcome, and strategy of the 1-stage interrupted 2-level transpedicular wedge osteotomy for correcting the severe kyphotic deformity in ankylosing spondylitis (AS). SUMMARY OF BACKGROUND DATA: There has been a large series in the literature reporting on results of osteotomy for the correction of kyphotic deformity secondary to AS. However, few articles have reported, in detail, the plan, design, strategy, and effect of 1-stage interrupted 2-level transpedicular wedge osteotomy for the correction of severe kyphotic deformity in AS...
May 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28428423/fructose-driven-glycolysis-supports-anoxia-resistance-in-the-naked-mole-rat
#12
Thomas J Park, Jane Reznick, Bethany L Peterson, Gregory Blass, Damir Omerbašić, Nigel C Bennett, P Henning J L Kuich, Christin Zasada, Brigitte M Browe, Wiebke Hamann, Daniel T Applegate, Michael H Radke, Tetiana Kosten, Heike Lutermann, Victoria Gavaghan, Ole Eigenbrod, Valérie Bégay, Vince G Amoroso, Vidya Govind, Richard D Minshall, Ewan St J Smith, John Larson, Michael Gotthardt, Stefan Kempa, Gary R Lewin
The African naked mole-rat's (Heterocephalus glaber) social and subterranean lifestyle generates a hypoxic niche. Under experimental conditions, naked mole-rats tolerate hours of extreme hypoxia and survive 18 minutes of total oxygen deprivation (anoxia) without apparent injury. During anoxia, the naked mole-rat switches to anaerobic metabolism fueled by fructose, which is actively accumulated and metabolized to lactate in the brain. Global expression of the GLUT5 fructose transporter and high levels of ketohexokinase were identified as molecular signatures of fructose metabolism...
April 21, 2017: Science
https://www.readbyqxmd.com/read/28415957/-so-happy-i-could-shout-and-so-happy-i-could-cry-dimorphous-expressions-represent-and-communicate-motivational-aspects-of-positive-emotions
#13
Oriana R Aragón, John A Bargh
Happiness can be expressed through smiles. Happiness can also be expressed through physical displays that without context, would appear to be sadness (tears, downward turned mouths, and crumpled body postures) and anger (clenched jaws, snarled lips, furrowed brows, and pumped fists). These seemingly incongruent displays of happiness, termed dimorphous expressions, we propose, represent and communicate expressers' motivational orientations. When participants reported their own aggressive expressions in positive or negative contexts, their expressions represented positive or negative emotional experiences respectively, imbued with appetitive orientations (feelings of wanting to go)...
April 17, 2017: Cognition & Emotion
https://www.readbyqxmd.com/read/28399531/intrapartum-ultrasound-to-differentiate-flexion-and-deflexion-in-occipitoposterior-rotation
#14
Federica Bellussi, Tullio Ghi, Aly Youssef, Ilaria Cataneo, Ginevra Salsi, Giuliana Simonazzi, Gianluigi Pilu
OBJECTIVE: To evaluate the ability of intrapartum ultrasound to differentiate occipitoposterior (OP) rotation with normal flexion of the head from deflexion, to compare the accuracy of ultrasound with the digital examination, and to assess the outcome of labor according to the type of presentation. PATIENTS AND METHODS: A retrospective study of patients with abnormal labor because of either prolongation and/or abnormal cardiotocography and OP rotation who underwent intrapartum sonography...
April 12, 2017: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/28391532/outcome-of-a-graduated-minimally-invasive-facial-reanimation-in-patients-with-facial-paralysis
#15
Laura C Holtmann, Anja Eckstein, Kerstin Stähr, Minzhi Xing, Stephan Lang, Stefan Mattheis
Peripheral paralysis of the facial nerve is the most frequent of all cranial nerve disorders. Despite advances in facial surgery, the functional and aesthetic reconstruction of a paralyzed face remains a challenge. Graduated minimally invasive facial reanimation is based on a modular principle. According to the patients' needs, precondition, and expectations, the following modules can be performed: temporalis muscle transposition and facelift, nasal valve suspension, endoscopic brow lift, and eyelid reconstruction...
April 8, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28369020/volumization-of-the-brow-at-the-time-of-blepharoplasty-treating-the-eyebrow-fat-pad-as-an-independent-unit
#16
Ivan Vrcek, Eva Chou, Marie Somogyi, John W Shore
PURPOSE: Loss of volume in the sub-brow fat pad with associated descent of the eyebrow is a common anatomical finding resulting in both functional and aesthetic consequences. A variety of techniques have been described to address brow position at the time of blepharoplasty. To our knowledge, none of these techniques treat the sub-brow fat pad as an isolated unit. Doing so enables the surgeon to stabilize and volumize the brow without resultant tension on the blepharoplasty wound. The authors describe a technique for addressing volume loss in the eyebrow with associated brow descent that treats the sub-brow fat pad as an isolated unit...
March 31, 2017: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28356368/avian-torpor-or-alternative-thermoregulatory-strategies-for-overwintering
#17
Tegan K Douglas, Christine E Cooper, Philip C Withers
It is unclear whether torpor really is uncommon amongst passerine birds. We therefore examined body temperature and thermoregulatory strategies of an Austral passerine, the white-browed babbler (Pomatostomus superciliosus), which has characteristics related to a high probability of torpor use; it is a sedentary, insectivorous, cooperative breeding species, which we studied during winter in a temperate habitat. Wild, free-living babblers maintained normothermy overnight, even at sub-zero ambient temperatures, with a mean minimum body temperature of 38...
April 1, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28356358/chilly-white-browed-babblers-huddle-to-avoid-torpor
#18
Kathryn Knight
No abstract text is available yet for this article.
April 1, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28355051/mofabric-electrospun-nanofiber-mats-from-pvdf-uio-66-nh2-for-chemical-protection-and-decontamination
#19
Annie Xi Lu, Monica McEntee, Matthew A Browe, Morgan G Hall, Jared B DeCoste, Gregory W Peterson
Textiles capable of capture and detoxification of toxic chemicals, such as chemical-warfare agents (CWAs), are of high interest. Some metal-organic frameworks (MOFs) exhibit superior reactivity toward CWAs. However, it remains a challenge to integrate powder MOFs into engineered materials like textiles, while retaining functionalities like crystallinity, adsorptivity, and reactivity. Here, we present a simple method of electrospinning UiO-66-NH2, a zirconium MOF, with polyvinylidene fluoride (PVDF). The electrospun composite, which we refer to as "MOFabric", exhibits comparable crystal patterns, surface area, chlorine uptake, and simulant hydrolysis to powder UiO-66-NH2...
April 5, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28353471/the-phenylephrine-test-revisited
#20
Arpine Barsegian, Adam Botwinick, Harsha S Reddy
PURPOSE: To characterize the phenylephrine test in ptotic patients to help clinicians perform the test more efficiently. METHODS: Adults with involutional ptosis (n = 24, 30 eyes) were assessed with digital photographs for response to topical 2.5% phenylephrine drop instillation. Patient characteristics (age, gender, iris color, dermatochalasis, brow ptosis, and baseline marginal reflex distance-1 [MRD-1] height) were recorded. From the photographs, change in (MRD-1), presence of conjunctival blanching, pupillary dilation, and Hering effect were recorded at specified time intervals, 1 minute to 1 hour after drop placement...
March 28, 2017: Ophthalmic Plastic and Reconstructive Surgery
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