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https://www.readbyqxmd.com/read/28178098/multivectored-superficial-muscular-aponeurotic-system-suspension-for-facial-paralysis
#1
Garrison Leach, Nicole Kurnik, Jessica Joganic, Edward Joganic
PURPOSE: Facial paralysis is a devastating condition that may cause severe cosmetic and functional deformities. In this study we describe our technique for superficial muscular aponeurotic system (SMAS) suspension using barbed suture and compare the vectors of suspension in relation to the underlying musculature. This study also quantifies the improvements in postoperative symmetry using traditional anthropologic landmarks. METHODS: The efficacy of this procedure for improving facial paralysis was determined by comparing anthropometric indices and using Procrustes distance between 4 groupings of homologous landmarks plotted on each patient's preoperative and postoperative photos...
February 7, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28160771/a-realist-review-of-shared-medical-appointments-how-for-whom-and-under-what-circumstances-do-they-work
#2
Susan R Kirsh, David C Aron, Kimberly D Johnson, Laura E Santurri, Lauren D Stevenson, Katherine R Jones, Justin Jagosh
BACKGROUND: Shared medical appointments (SMAs) are doctor-patient visits in which groups of patients are seen by one or more health care providers in a concurrent session. There is a growing interest in understanding the potential benefits of SMAs in various contexts to improve clinical outcomes and reduce healthcare costs. This study builds upon the existing evidence base that suggests SMAs are indeed effective. In this study, we explored how they are effective in terms of the underlying mechanisms of action and under what circumstances...
February 4, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28033633/rhytidoplasty-smas-imbrication-vector-comparison
#3
Fernando Pedroza, Luis Fernando Pedroza, Daniel Correal Gentry, Juan Guillermo Erazo Cordoba, Guillermo Arturo Landinez Cepeda
To determine if there are aesthetic differences in patients who have undergone a SMAS lifting with predominantly oblique-horizontal vectors versus predominantly oblique-vertical vectors. To determine if there are aesthetic differences in the results of the neck using sutures placed in specific areas of the platysmal muscle versus randomly placed sutures for platysmal plication to the mastoid. Comparative, retrospective, blind, and randomized study. Evaluation of preoperative and postoperative photographs of 54 patients who underwent predominantly oblique-horizontal SMAS lifting versus 53 patients who underwent predominantly oblique-vertical traction of the SMAS flap, reviewed by three external, unbiased facial plastic surgeons in a blind study...
December 2016: Facial Plastic Surgery: FPS
https://www.readbyqxmd.com/read/28002252/validating-facial-aesthetic-surgery-results-with-the-face-q
#4
E A Kappos, M Tremp, D J Schaefer, M Haug, D Kalbermatten, B A Toth
INTRODUCTION: In aesthetic clinical practice surgical outcome is best measured by patient satisfaction and quality of life (QoL). For many years there has been a lack of validated questionnaires. Recently the FACE-Q was introduced and we present the largest series of facelift patients evaluated by FACE-Q with the longest follow-up to date. MATERIALS/METHODS: 200 consecutive patients were identified who underwent high SMAS facelifts, with or without additional facial rejuvenation procedures, between Jan 2005 and Jan 2015...
December 19, 2016: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/27994227/temperature-dependent-fracture-properties-of-shape-memory-alloys-novel-findings-and-a-comprehensive-model
#5
Carmine Maletta, Emanuele Sgambitterra, Fabrizio Niccoli
Temperature dependent fracture properties of NiTi-based Shape Memory Alloys (SMAs), within the pseudoelastic regime, were analyzed. In particular, the effective Stress Intensity Factor (SIF) was estimated, at different values of the testing temperature, by a fitting of the William's expansion series, based on Digital Image Correlation (DIC) measurements. It was found that temperature plays an important role on SIF and on critical fast fracture conditions. As a consequence, Linear Elastic Fracture Mechanics (LEFM) approaches are not suitable to predict fracture properties of SMAs, as they do not consider the effects of temperature...
December 2016: Scientific Reports
https://www.readbyqxmd.com/read/27965218/managing-the-difficult-soft-tissue-envelope-in-facial-and-rhinoplasty-surgery
#6
Aaron M Kosins, Zein E Obagi
BACKGROUND: The nasal soft tissue envelope affects the final rhinoplasty result, and can limit the expected improvement. Currently, no dependable and objective test exists to measure the thickness of the nasal skin and underlying soft tissue. OBJECTIVES: This paper presents a simple, yet reliable method to determine the thickness of the soft tissue envelope. An algorithm is presented for treatment of the dermis and/or soft tissue apart from surgery of the underlying osseocartilaginous structures...
February 2017: Aesthetic Surgery Journal
https://www.readbyqxmd.com/read/27918844/novel-method-for-facial-rejuvenation-using-er-yag-laser-equipped-with-a-spatially-modulated-ablation-module-an-open-prospective-uncontrolled-cohort-study
#7
N V Volkova, L K Glazkova, V V Khomchenko, N S Sadick
Facial aging is a complex biological process that affects the skin and superficial musculoaponeurotic system (SMAS). A new technology (RecoSMA) for skin rejuvenation based on acoustic-interference method using Er:YAG laser (2936 nm) equipped with a special module SMA that targets both the dermis and SMAS was evaluated in an open-label prospective cohort study of 100 female patients treated for facial rejuvenation. Measure of clinical improvement included investigator-rated clinical photography using the Modified Fitzpatrick Wrinkle Scale, and ultrasound measurements in the dermis a week, 30 days and six months post treatment...
February 2017: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology
https://www.readbyqxmd.com/read/27914348/favorable-minimal-invasive-surgery-in-the-treatment-of-superior-mesenteric-artery-syndrome-case-report
#8
Leandro Cardoso Barchi, Aline Marcílio Alves, Carlos Eduardo Jacob, Claudio José Caldas Bresciani, Osmar Kenji Yagi, Tarsila Gasparotto Nogueira, Ivan Cecconello, Bruno Zilberstein
INTRODUCTION: The Superior Mesenteric Artery Syndrome (SMAS) is a rare form of intestinal obstruction. The diagnosis is based on findings from imaging studies, including vascular compression of the duodenum by the SMA and can be associated with duodenal dilatation. PRESENTATION OF CASE: We report a case of a patient with SMAS and recurrent episodes of intestinal obstruction, which was successfully treated by laparoscopic duodenojejunostomy. DISCUSSION: The initial treatment is usually conservative for patient's clinical improvement...
2016: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/27909818/presto-lift-a-facelift-that-preserves-the-retaining-ligaments-and-smas-tethering
#9
Wolfgang Funk
BACKGROUND: Producing youthful facial appearance by face-lifting often comes along with an undesired loss of patient's individual phenotype. This may result from insufficient preservation of retaining ligaments, the "guardians of facial identify," and from severance of the intersegmental connections of the superficial musculo-aponeurotic system (SMAS), which tether, structure, and compartmentalize facial soft tissue into defined, relevant anatomical zones. METHODS: The technique reported here preserves most retaining ligaments...
March 2017: Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27893144/effectiveness-of-shared-medical-appointments-targeting-the-triple-aim-among-patients-with-overweight-obesity-or-diabetes
#10
Kristi H Trickett, Paul M Matiaco, Kathryn Jones, Bernadette Howlett, Kathaleen Briggs Early
BACKGROUND: Obesity and diabetes are epidemic in the United States, with many treatment options having limited long-term efficacy. A possible effective medical management tool is the shared medical appointment (SMA), which offers an efficient and cost-effective approach to behavior change and aligns with the Triple Aim (reduce costs, improve population health, and improve patient care experience) set forth by the Institute for Healthcare Improvement. OBJECTIVES: To assess the effectiveness of SMAs to achieve the Triple Aim and to improve the management of overweight/obesity or diabetes...
December 1, 2016: Journal of the American Osteopathic Association
https://www.readbyqxmd.com/read/27877845/modulated-interaction-in-double-layer-shape-memory-based-micro-designed-actuators
#11
Corneliu Crăciunescu, Aurel Ercuta
The effect of superposed transitions in actuators with layered shape memory alloy (SMA) films undergoing martensitic phase transformation is analyzed in terms of a model developed for two layers of different composition, deposited at the same temperature on a substrate. A significant difference is observed in the actuation versus temperature relationship, depending on the thermal and elastic properties of the SMA layers and their martensitic transformation temperature. The prediction of the actuation is exemplified using a multilayer model and is verified for a cantilever actuator with NiTi and NiMnGa layers deposited on a Si substrate...
December 2015: Science and Technology of Advanced Materials
https://www.readbyqxmd.com/read/27870342/the-mobility-of-the-human-face-more-than-just-the-musculature
#12
Anne M Burrows, Carolyn R Rogers-Vizena, Ly Li, Bryan Mendelson
The human face has the greatest mobility and facial display repertoire among all primates. However, the variables that account for this are not clear. Humans and other anthropoids have remarkably similar mimetic musculature. This suggests that differences among the mimetic muscles alone may not account for the increased mobility and facial display repertoire seen in humans. Furthermore, anthropoids themselves outpace prosimians in these categories: humans > other anthropoids > prosimians. This study was undertaken to clarify the morphological underpinnings of the increased mobility and display repertoire of the human face by investigating the SMAS (the superficial musculo-aponeurotic system), a connective tissue layer enclosing the mimetic musculature located between the skin and deep fascia/periosteum...
December 2016: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/27806708/ryanodine-induced-vasoconstriction-of-the-gerbil-spiral-modiolar-artery-depends-on-the-ca-2-sensitivity-but-not-on-ca-2-sparks-or-bk-channels
#13
Gayathri Krishnamoorthy, Katrin Reimann, Philine Wangemann
BACKGROUND: In many vascular smooth muscle cells (SMCs), ryanodine receptor-mediated Ca(2+) sparks activate large-conductance Ca(2+)-activated K(+) (BK) channels leading to lowered SMC [Ca(2+)]i and vasodilation. Here we investigated whether Ca(2+) sparks regulate SMC global [Ca(2+)]i and diameter in the spiral modiolar artery (SMA) by activating BK channels. METHODS: SMAs were isolated from adult female gerbils, loaded with the Ca(2+)-sensitive flourescent dye fluo-4 and pressurized using a concentric double-pipette system...
November 2, 2016: BMC Physiology
https://www.readbyqxmd.com/read/27766294/data-on-regulation-of-the-gene-for-the-adipocyte-enriched-micropeptide-adig-smaf1-by-qpcr-analysis-and-luciferase-reporter-assay
#14
Gang Ren, Nicholas Cairl, Ji Young Kim, Cynthia M Smas
This article describes qPCR analysis for the Adig/Smaf1 gene in multiple in vitro adipocyte differentiation models including white and brown adipogenesis, cell lines and primary cultures. The article also contains qPCR data for transcript levels of Adig/Smaf1 in a wide panel of murine tissues. Expression of Adig/Smaf1 transcript in white and brown adipose tissue in fasted and refed mice is reported and also data for Adig/Smaf1 transcript expression in genetically obese ob/ob mice. Data on the effects of siRNA-mediated knockdown of Srebp1c on Adig/Smaf1 transcript levels in 3T3-L1 adipocytes are shown...
December 2016: Data in Brief
https://www.readbyqxmd.com/read/27761534/a-chemical-structural-model-for-coherent-martensite-parent-interface-in-mn-based-antiferromagnetic-shape-memory-alloys
#15
S Shi, J F Wan, X W Zuo, N L Chen, J H Zhang, Y H Rong
The martensite/parent coherent interface of Mn-based shape memory alloys (SMAs) is a significant part in the research of their martensitic transformation, reversible shape memory effect and magnetic shape memory effect. In the present work, a chemical-structural model was proposed to calculate the martensite/parent coherent interfacial energy of Mn-X (X = Cu, Fe) alloys. In this model, the coherent heterophase interfacial energy consists of chemical and structural parts. Resulting from the formation process of the heterophase interface, the chemical interfacial energy is expressed as the incremental value of bond energy, while the structural part is obtained by calculating the interfacial strain energy...
October 20, 2016: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/27754957/evaluation-and-comparison-of-three-assays-for-molecular-detection-of-spinal-muscular-atrophy
#16
Liang Li, Wan-Jun Zhou, Ping Fang, Ze-Yan Zhong, Jian-Sheng Xie, Ti-Zhen Yan, Jian Zeng, Xu-Hui Tan, Xiang-Min Xu
BACKGROUND: Spinal muscular atrophy (SMA) is mainly caused by deletions in SMA-related genes. The objective of this study was to develop gene-dosage assays for diagnosing SMA. METHODS: A multiplex, quantitative PCR assay and a CNVplex assay were developed for determining the copy number of SMN1, SMN2, and NAIP. Reproducibility and specificity of the two assays were compared to a multiple ligation-dependent probe amplification (MLPA) assay. To evaluate reproducibility, 30 samples were analyzed three times using the three assays...
March 1, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/27747293/a-case-series-of-laparoscopic-duodenojejunostomy-for-the-treatment-of-pediatric-superior-mesenteric-artery-syndrome
#17
F J Bohanon, O Nunez Lopez, B M Graham, L W Griffin, R S Radhakrishnan
Superior mesenteric artery syndrome (SMAS) is a rare, debilitating clinical condition caused by compression of the third portion of the duodenum by the superior mesenteric artery. Common symptoms include intermittent postprandial abdominal pain, nausea, weight loss, and bilious vomiting. Here we present a case series of three patients with SMAS who were treated with laparoscopic duodenojejunostomy. Patients were females between 12-17 years old. All patients underwent a successful laparoscopic duodenojejunostomy after diagnosis...
2016: International Journal of Surgery and Research
https://www.readbyqxmd.com/read/27697886/clinical-use-of-galaflex-in-facial-and-breast-cosmetic-plastic-surgery
#18
William P Adams, Dean M Toriumi, Bruce W Van Natta
: Resolution of ptosis is a key step to the success of many plastic surgery procedures. Ptosis is a manifestation of tissue stretch. Tissue stretch can occur as a result of the natural aging process or health of the patient, or tissue may stretch under added weight or volume, such as when implants are placed. Surgical rejuvenation of ptotic tissues is very effective and results in marked changes in the patient profile yet the tissue that resulted in the need for the procedure first place has not improved and ptosis can recur...
November 2016: Aesthetic Surgery Journal
https://www.readbyqxmd.com/read/27687323/midterm-results-from-a-physician-sponsored-investigational-device-exemption-clinical-trial-evaluating-physician-modified-endovascular-grafts-for-the-treatment-of-juxtarenal-aortic-aneurysms
#19
Benjamin W Starnes, Rachel E Heneghan, Billi Tatum
OBJECTIVE: The objective of this study was to report midterm results of an ongoing physician-sponsored investigational device exemption pivotal clinical trial using physician-modified endovascular grafts (PMEGs) for treatment of patients with juxtarenal aortic aneurysms who are deemed unfit for open repair. METHODS: Data from a nonrandomized, prospective, consecutively enrolling investigational device exemption clinical trial were used. Data collection began on April 1, 2011, and data lock occurred on May 31, 2015, with outcomes analysis through December 31, 2015...
February 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/27685778/an-anatomical-study-of-the-transversus-nuchae-muscle-application-to-better-understanding-occipital-neuralgia
#20
Koichi Watanabe, Tsuyoshi Saga, Joe Iwanaga, Yoko Tabira, Koh-Ichi Yamaki
The transversus nuchae muscle appears inconsistently in the occipital region. It has gained attention as one of the muscles composing the superficial musculoaponeurotic system (SMAS). The purpose of this study was to clarify its detailed anatomical features. We examined 124 sides of 62 cadavers. The transversus nuchae muscle was identified when present and examined after it had been completely exposed. We also examined its relationship to the occipital cutaneous nerves.The transversus nuchae muscle was detected in 40 sides (40/124, 32...
January 2017: Clinical Anatomy
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