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https://www.readbyqxmd.com/read/30007317/upper-eyelid-blepharoplasty-a-novel-method-to-predict-and-improve-outcomes
#1
Anne Barmettler, Jessie Wang, Moonseong Heo, Geoffrey J Gladstone
Background: In some upper eyelid blepharoplasties, maximal skin removal may not result in desired outcomes and raising crease height can be considered. Currently, there is no method to determine the amount of skin to be excised and/or crease elevation required to achieve a specific outcome. Objective: This study extrapolates an equation to determine amount of skin excision and/or lid crease elevation needed to achieve a specific eyelid margin to fold distance (MFD)...
July 10, 2018: Aesthetic Surgery Journal
https://www.readbyqxmd.com/read/30005606/certainty-of-paternity-in-two-coucal-species-with-divergent-sex-roles-the-devil-takes-the-hindmost
#2
Ignas Safari, Wolfgang Goymann
BACKGROUND: Certainty of paternity is considered an important factor in the evolution of paternal care. Several meta-analyses across birds support this idea, particularly for species with altricial young. However, the role of certainty of paternity in the evolution and maintenance of exclusive paternal care in the black coucal (Centropus grillii), which is the only known altricial bird species with male-only care, is not well understood. Here we investigated whether the differences in levels of paternal care in the black coucal and its sympatric congener, the bi-parental white-browed coucal (Centropus superciliosus), are shaped by extra-pair paternity...
July 13, 2018: BMC Evolutionary Biology
https://www.readbyqxmd.com/read/29982082/botulinum-toxin-therapy-of-bipolar-depression-a-case-series
#3
E Finzi, L Kels, J Axelowitz, B Shaver, C Eberlein, T H Krueger, M A Wollmer
We and others have recently found that botulinum toxin injected into the brow muscles has significant antidepressant properties as compared to placebo in randomized controlled trials in patients with major depressive disorder. However, data for the treatment of bipolar depression with botulinum toxin is lacking. We report here six patients with bipolar disorder experiencing moderate to severe depressive episodes who were treated on a compassionate basis with botulinum toxin given their persistent depressive symptoms and adverse side effects from medications...
June 28, 2018: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/29966933/does-the-preoperative-lumbar-sagittal-profile-affect-the-selection-of-osteotomy-level-in-pedicle-subtraction-osteotomy-for-thoracolumbar-kyphosis-secondary-to-ankylosing-spondylitis
#4
Wei-Yi Diao, Bang-Ping Qian, Yong Qiu, Ze-Zhang Zhu, Bin Wang, Yang Yu
OBJECTIVE: To investigate the different preoperative lumbar sagittal profiles of ankylosing spondylitis (AS) patients and the selection of osteotomy level for one-level pedicle subtraction osteotomy (PSO) for the correction of thoracolumbar kyphosis. PATIENTS AND METHODS: Seventy-one consecutive AS patients with an average age of 35.3 years and a mean follow-up time of 35.9 months who underwent one-level PSO for thoracolumbar kyphosis were divided into 2 groups based on their preoperative lumbar sagittal profiles as follows: group A, lordotic lumbar sagittal profiles; and group B, kyphotic lumbar sagittal profiles...
June 28, 2018: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29944529/a-novel-technique-for-the-prevention-of-recurrent-eyebrow-ptosis-after-brow-lift-surgery
#5
Tian Li, Duo Zhang, Bing Li, Ying Shao
BACKGROUND: Preventing the recurrence of eyebrow ptosis after brow lift surgery is challenging. We developed a novel technique to maintain elevation of the eyebrow after brow lift surgery. METHODS: A consecutive sample of patients who underwent brow lift surgery between June 2014 and June 2016 was divided into 2 groups. Group A underwent resection of excess skin during brow lift surgery; group B underwent the new eyebrow lift technique, which involved resecting skin and the lateral part of the orbital orbicularis oculi muscle, elevating the lower margin of the orbital orbicularis oculi muscle, and suturing it to the orbital periosteum...
June 26, 2018: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/29931768/climate-change-and-functional-traits-affect-population-dynamics-of-a-long-lived-seabird
#6
Stéphanie Jenouvrier, Marine Desprez, Remi Fay, Christophe Barbraud, Henri Weimerskirch, Karine Delord, Hal Caswell
Recent studies unravelled the effect of climate changes on populations through their impact on functional traits and demographic rates in terrestrial and freshwater ecosystems, but such understanding in marine ecosystems remains incomplete. Here, we evaluate the impact of the combined effects of climate and functional traits on population dynamics of a long-lived migratory seabird breeding in the southern ocean: the black-browed albatross (Thalassarche melanophris, BBA). We address the following prospective question: "Of all the changes in the climate and functional traits, which would produce the biggest impact on the BBA population growth rate?" We develop a structured matrix population model that includes the effect of climate and functional traits on the complete BBA life cycle...
July 2018: Journal of Animal Ecology
https://www.readbyqxmd.com/read/29894434/treatment-of-cosmetic-tattoos-a-review-and-case-analysis
#7
Bridget E McIlwee, Tina S Alster
BACKGROUND: Cosmetic tattoos such as eyeliner, brow liner, and lip liner have become increasingly popular in the United States and throughout the world. For a variety of reasons, patients frequently regret their tattoos and request their removal; however, removal is often complicated by the aesthetically sensitive location of these specialized tattoos and the fact that they often contain white metallic compounds that darken on pigment-specific laser irradiation. OBJECTIVE: To review the clinical use, effectiveness, and safety of an ablative laser technique for cosmetic tattoos...
June 8, 2018: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/29888114/mechanical-evaluation-of-retinal-damage-associated-with-blunt-craniomaxillofacial-trauma-a-simulation-analysis
#8
Xiaoqi Geng, Xiaoyu Liu, Wei Wei, Yawei Wang, Lizhen Wang, Kinon Chen, Hongqiang Huo, Yuanjie Zhu, Yubo Fan
Purpose: To evaluate retinal damage as the result of craniomaxillofacial trauma and explain its pathogenic mechanism using finite element (FE) simulation. Methods: Computed tomography (CT) images of an adult man were obtained to construct a FE skull model. A FE skin model was built to cover the outer surface of the skull model. A previously validated FE right eye model was symmetrically copied to create a FE left eye model, and both eye models were assembled to the skull model...
May 2018: Translational Vision Science & Technology
https://www.readbyqxmd.com/read/29866244/use-of-trocar-site-closure-device-for-frontalis-brow-suspension
#9
Bandar Al Qahtani, Salman Asghar, Imran Akram Sahaf
Ptosis correction by Fox Pentagon technique of frontalis brow suspension, using 'trocar site closure device' for placement of banked fascia lata is presented. The use of this device was found to be safe, secure, smooth, and stable. It has a gently tapered cutting upper edge and a blunt front, and is less traumatic as compared to the conventional Wright's fascia needle or the 18 gauge needle which are sharper and could cause an inadvertent and relatively more damage to the eyelids' delicate tissues. The surgery can be performed quickly with this single-use device and it provides a good grasp for holding the fascia lata during the manoeuvres, forming the desired pentagon...
June 2018: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/29863552/glabellar-rejuvenation-in-forehead-lift-reversed-periosteum-or-dermal-fat-graft-to-cover-pedicled-glabellar-flap
#10
Xiu-Qi Li, Jia-Qi Wang
Forehead aging is characterized by wrinkles, loss of skin elasticity, brow ptosis, and soft-tissue atrophy. For patients with prominent rhytids and marked brow ptosis, forehead lift is still the most effective treatment with a persisting result. In order to eliminate the glabellar wrinkles, forehead lift usually requires the removal of the corrugator supercilii muscle and procerus, which can lead to glabellar flattening or depression. Instead of muscle removal, the corrugator supercilii muscle, procerus, and the underlying galea were dissected as a pedicled glabellar flap...
May 31, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29851754/histopathologic-findings-of-linear-scleroderma-displaying-focal-trichiasis-secondary-to-tarsal-thinning
#11
Edith R Reshef, Natalie Wolkow, Frederick A Jakobiec, Michael K Yoon
Linear scleroderma en coup de sabre with ophthalmic findings has been previously described in the literature on numerous occasions. A 57-year-old woman presented with focal trichiasis secondary to tarsal thinning, adjacent to a linear brow and forehead deformity consistent with linear scleroderma en coup de sabre. Cases of linear scleroderma en coup de sabre involving the eyelids have been reported, most often with madarosis, ptosis, or skin atrophy; however, to the authors' knowledge, this is the first reported case of linear scleroderma associated with trichiasis and involvement of the deeper eyelid tissues, particularly the tarsus...
July 2018: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29788684/evaluation-of-the-donor-site-after-the-median-forehead-flap
#12
June Seok Choi, Yong Chan Bae, Soo Bong Nam, Seong Hwan Bae, Geon Woo Kim
BACKGROUND: Forehead flaps are useful for facial reconstruction. Studies of these flaps have mostly focused on the results of the reconstruction. However, due to the scarring and changes on the forehead caused by the median forehead flap (MFF), surgeons may be reluctant to perform this flap. Research into the donor site is needed for practical purposes. METHODS: We examined 42 patients who underwent an MFF at Pusan National University Hospital from 1996 to 2016...
May 2018: Archives of Plastic Surgery
https://www.readbyqxmd.com/read/29741871/soft-robotic-manipulation-and-locomotion-with-a-3d-printed-electroactive-hydrogel
#13
Daehoon Han, Cindy Farino, Chen Yang, Tracy Scott, Daniel Browe, Wonjoon Choi, Joseph W Freeman, Howon Lee
Electroactive hydrogels (EAH) that exhibit large deformation in response to an electric field have received great attention as a potential actuating material for soft robots and artificial muscle. However, their application has been limited due to the use of traditional two-dimensional (2D) fabrication methods. Here we present soft robotic manipulation and locomotion with 3D printed EAH microstructures. Through 3D design and precise dimensional control enabled by a digital light processing (DLP) based micro 3D printing technique, complex 3D actuations of EAH are achieved...
May 30, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29717126/architecture-of-the-u6-snrnp-reveals-specific-recognition-of-3-end-processed-u6-snrna
#14
Eric J Montemayor, Allison L Didychuk, Allyson D Yake, Gurnimrat K Sidhu, David A Brow, Samuel E Butcher
The spliceosome removes introns from precursor messenger RNA (pre-mRNA) to produce mature mRNA. Prior to catalysis, spliceosomes are assembled de novo onto pre-mRNA substrates. During this assembly process, U6 small nuclear RNA (snRNA) undergoes extensive structural remodeling. The early stages of this remodeling process are chaperoned by U6 snRNP proteins Prp24 and the Lsm2-8 heteroheptameric ring. We now report a structure of the U6 snRNP from Saccharomyces cerevisiae. The structure reveals protein-protein contacts that position Lsm2-8 in close proximity to the chaperone "active site" of Prp24...
May 1, 2018: Nature Communications
https://www.readbyqxmd.com/read/29709551/predictive-model-for-distal-junctional-kyphosis-after-cervical-deformity-surgery
#15
Peter G Passias, Dennis Vasquez-Montes, Gregory W Poorman, Themistocles Protopsaltis, Samantha R Horn, Cole A Bortz, Frank Segreto, Bassel Diebo, Chris Ames, Justin Smith, Virginie LaFage, Renaud LaFage, Eric Klineberg, Chris Shaffrey, Shay Bess, Frank Schwab
BACKGROUND CONTEXT: Distal junctional kyphosis (DJK) is a primary concern of surgeons correcting cervical deformity. Identifying patients and procedures at higher risk of developing this condition is paramount in improving patient selection and care. PURPOSE: The present study aimed to develop a risk index for DJK development in the first year after surgery. STUDY DESIGN/SETTING: This is a retrospective review of a prospective multicenter cervical deformity database...
April 27, 2018: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29684160/commentary-on-preoperative-use-of-neuromodulators-to-optimize-surgical-outcomes-in-upper-blepharoplasty-and-brow-lift
#16
Guy G Massry
No abstract text is available yet for this article.
April 19, 2018: Aesthetic Surgery Journal
https://www.readbyqxmd.com/read/29680468/experiencing-mental-health-diagnosis-a-systematic-review-of-service-user-clinician-and-carer-perspectives-across-clinical-settings
#17
REVIEW
Amorette Perkins, Joseph Ridler, Daniel Browes, Guy Peryer, Caitlin Notley, Corinna Hackmann
Receiving a mental health diagnosis can be pivotal for service users, and it has been described in both positive and negative terms. What influences service-user experience of the diagnostic process is unclear; consequently, clinicians report uncertainty regarding best practice. This Review aims to understand and inform diagnostic practice through a comprehensive synthesis of qualitative data on views and experiences from key stakeholders (service users, clinicians, carers, and family). We searched five databases and identified 78 papers for inclusion, originating from 13 countries and including 2228 participants...
April 18, 2018: Lancet Psychiatry
https://www.readbyqxmd.com/read/29675342/surgical-treatment-of-unilateral-severe-simple-congenital-ptosis
#18
REVIEW
Ju-Hyang Lee, Yoon-Duck Kim
Unilateral congenital ptosis with poor levator function of ≤4 mm continues to be a difficult challenge for the oculoplastic surgeon. Surgical correction can be accomplished with unilateral frontalis suspension, maximal levator resection, or bilateral frontalis suspension with or without levator muscle excision of the normal eyelid. Bilateral frontalis suspension was proposed by Beard and Callahan to overcome the challenge of postoperative asymmetry, allowing symmetrical lagophthalmos on downgaze, postoperatively...
January 2018: Taiwan Journal of Ophthalmology
https://www.readbyqxmd.com/read/29673273/long-term-effects-of-frontalis-fascial-slings-on-the-elastic-properties-of-the-upper-eyelid
#19
Adriano Baccega, Denny Marcos Garcia, Antonio Augusto Velasco Cruz
PURPOSE: To measure the long-term effects of frontalis slings with fascial tissues on the downward eyelid saccadic movements Methods: Downward lid saccades for 10, 20, 30, 40, and 50 degrees of downgaze were measured in a sample of 19 patients with congenital ptosis who underwent frontalis slings with fascia lata (autogenous and banked) and temporalis fascia. Mean postoperative time was 10.7 years ± 3.8 SD. Seventeen age-matched normal subjects comprised the control group. Lid movements as well as the magnitude of brow motion were quantified in all participants with an opto-electronic device that automatically corrected any head movement...
April 20, 2018: Current Eye Research
https://www.readbyqxmd.com/read/29616177/flat-incision-technique-for-reconstructive-brow-surgery-a-wound-healing-model-and-clinical-evaluation
#20
Dominik L Feinendegen, Mathias Tremp, J Camilo Roldán
Background: Skin incision is considered to be placed at 90° in reference to the skin to get perfect wound edge adaptation. The incision on hair-bearing tissues, as the scalp, is considered to be bevelled at 45° to promote hair growth through the scar. There is no consensus about the preferred incision angle on the brow. The aim of this article was to demonstrate the feasibility of the "flat incision technique" for brow repositioning, where brow deformation results after forehead reconstruction...
February 2018: Plastic and Reconstructive Surgery. Global Open
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