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https://www.readbyqxmd.com/read/28093566/estrogen-dependent-association-of-hdac4-with-fear-in-female-mice-and-women-with-ptsd
#1
S A Maddox, V Kilaru, J Shin, T Jovanovic, L M Almli, B G Dias, S D Norrholm, N Fani, V Michopoulos, Z Ding, K N Conneely, E B Binder, K J Ressler, A K Smith
Women are at increased risk of developing post-traumatic stress disorder (PTSD) following a traumatic event. Recent studies suggest that this may be mediated, in part, by circulating estrogen levels. This study evaluated the hypothesis that individual variation in response to estrogen levels contributes to fear regulation and PTSD risk in women. We evaluated DNA methylation from blood of female participants in the Grady Trauma Project and found that serum estradiol levels associates with DNA methylation across the genome...
January 17, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28081379/direct-gingival-fibroblast-osteoblast-transdifferentiation-via-epigenetics
#2
Y Cho, B Kim, H Bae, W Kim, J Baek, K Woo, G Lee, Y Seol, Y Lee, Y Ku, I Rhyu, H Ryoo
Alveolar bone resorption caused by trauma or periodontal diseases has represented a challenge for both dental clinicians and researchers. In this study, we evaluate the osteogenic potential of human gingival fibroblasts (HGFs) through a direct transdifferentiation from HGFs to functional osteoblasts via epigenetic modification and osteogenic signaling with bone morphogenetic protein 2 (BMP2) in vitro and in vivo. HGF treatment with 5-aza-2'-deoxycytidine (5-aza-dC) induced demethylation in the hypermethylated CpG islands of the osteogenic lineage marker genes RUNX2 and ALP, and subsequent BMP2 treatment successfully drove the fibroblasts to the osteoblasts' lineage...
January 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28072410/pre-trauma-methylphenidate-in-rats-reduces-ptsd-like-reactions-one-month-later
#3
G Ritov, G Richter-Levin
In basic research, the etiology of fear-related pathologies, such as post-traumatic stress disorder (PTSD), is conceptualized using fear-conditioning protocols that pair environmental stimuli (that is, a conditioned stimulus-CS) with an aversive, unconditioned stimulus (US) to elicit an assessable conditioned fear response. Although pathophysiological models agree that regulatory dysfunctions in this associative process may instigate fear-related pathology, current opinions differ in regard to the nature of these dysfunctions...
January 10, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28058159/isolated-anterior-lens-capsule-rupture-secondary-to-blunt-trauma-pathophysiology-and-treatment
#4
Mehmet Serhat Mangan, Ceyhun Arıcı, İbrahim Tuncer, Hüseyin Yetik
A 25-year-old man suffered an isolated lens anterior capsular tear and mature cataract formation following blunt injury to his right eye. One week after the trauma, best-corrected visual acuity (BCVA) in the right eye was hand motion. B-scan ultrasonography showed that the lens posterior capsule was intact; no vitreous foreign body or retinal pathology were observed. Orbital computed tomography revealed narrowed anterior chamber and increased lens material volume and lens reflectivity in the injured right eye...
August 2016: Turkish Journal of Ophthalmology
https://www.readbyqxmd.com/read/28050534/the-use-of-negative-pressure-wound-therapy-in-the-treatment-of-infected-wounds-case-studies
#5
Daniel de Alcântara Jones, Wilson Vasconcelos Neves Filho, Janice de Souza Guimarães, Daniel de Araújo Castro, Antonio Marcos Ferracini
OBJECTIVE: To evaluate the results and benefits obtained from the topical use of negative pressure wound therapy (NPWT) in patients with infected wounds. METHODS: This was a retrospective study of 20 patients (17 males and three females, mean age 42 years) with infected wounds treated using NPWT. The infected wounds were caused by trauma. The treatment system used was VAC.(®) (Vacuum Assisted Closure, KCI, San Antonio, United States) applied to the wound in continuous mode from 100 to 125 mmHg...
November 2016: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/28050517/prosthodontic-approach-in-management-of-prolonged-neonatal-intubation
#6
Vikas B Kamble, Shital K Shah, Vishnu B Rathod, Priyanka S Ambadkar, Charudutt N Patil
Intubation is a routine intervention in the Neonatal Intensive Care Unit (NICU) for preterm neonates with respiratory distress, inadequate gag reflex, poor sucking and swallowing. Prolonged intubation in neonates can be done by nasal or oral route. Although naso-tracheal intubation may reduce movement of the tube, it may contribute to airway obstruction, possible hypoxia, and occlusion of the nasal aperture during a crucial period of development further contributing to laboured breathing. Being obligate nasal breathers, oro-tracheal route is the preferred method of intubation in premature infants as oral mucosa is less susceptible to damage than nasal mucosa...
November 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28049497/two-differentially-structured-collagen-scaffolds-for-potential-urinary-bladder-augmentation-proof-of-concept-study-in-a-g%C3%A3-ttingen-minipig-model
#7
Dorothea Leonhäuser, Katja Stollenwerk, Volker Seifarth, Isabella M Zraik, Michael Vogt, Pramod K Srinivasan, Rene H Tolba, Joachim O Grosse
BACKGROUND: The repair of urinary bladder tissue is a necessity for tissue loss due to cancer, trauma, or congenital abnormalities. Use of intestinal tissue is still the gold standard in the urological clinic, which leads to new problems and dysfunctions like mucus production, stone formation, and finally malignancies. Therefore, the use of artificial, biologically derived materials is a promising step towards the augmentation of this specialised tissue. The aim of this study was to investigate potential bladder wall repair by two collagen scaffold prototypes, OptiMaix 2D and 3D, naïve and seeded with autologous vesical cells, as potential bladder wall substitute material in a large animal model...
January 4, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28045946/critical-size-bone-defect-healing-using-collagen-calcium-phosphate-bone-graft-materials
#8
William Robert Walsh, Rema A Oliver, Chris Christou, Vedran Lovric, Emma Rose Walsh, Gustavo R Prado, Thomas Haider
The need for bone graft materials to fill bony voids or gaps that are not related to the intrinsic stability of the bone that arise due to trauma, tumors or osteolysis remains a clinically relevant and significant issue. The in vivo response of collagen-tricalcium phosphate bone graft substitutes was evaluated in a critical size cancellous defect model in skeletally mature rabbits. While the materials were chemically virtually identical, new bone formation, implant resorption and local in vivo responses were significantly different...
2017: PloS One
https://www.readbyqxmd.com/read/28038786/epidemiologic-data-of-trauma-related-lower-limb-amputees-a-single-center-10-year-experience
#9
Evren Yaşar, Fatih Tok, Serdar Kesikburun, A Mustafa Ada, Bayram Kelle, A Salim Göktepe, Kamil Yazıcıoğlu, A Kenan Tan
OBJECTIVE: The aim of this study is three fold: 1) to introduce epidemiologic data of patients with trauma-related amputations as a 10-year experience of a rehabitation center; 2) to determine comorbidities and secondary conditions of lower limb loss; 3) to determine the rehospitalization reasons for lower limb amputee patients. MATERIALS AND METHODS: This retrospective study was conducted in a tertiary rehabilitation center in Turkey. Clinical and demographic data of amputees including sex, age, employment status, time since amputation, time after amputation to first hospitalization, length of hospitalization, how many times the patient was hospitalized, reason for hospitalization, stump complications, comorbid conditions, amputation level and K classifacation were documented...
December 23, 2016: Injury
https://www.readbyqxmd.com/read/28035446/chronic-expanding-hematoma-following-abdominoplasty
#10
Sayo Tatsuta, Daichi Morioka, Naoki Murakami, Fumio Ohkubo
Chronic expanding hematoma (CEH) is a relatively rare complication of trauma or surgery. We report a patient with CEH as a late complication of abdominoplasty. A 58-year-old woman underwent conventional abdominoplasty and thereafter refused to use a compression binder, citing discomfort. One month postoperatively, she presented with a gradually enlarging, painful abdominal mass. The results of ultrasonography and computed tomography were highly suspicious for CEH. The lesion was completely removed, together with surrounding fibrous tissue...
December 29, 2016: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28027262/evidence-based-medicine-management-of-acute-lower-extremity-trauma
#11
Roberto D Lachica
LEARNING OBJECTIVES: After studying this article, the participant should be able to: 1. Select and design flaps for the acutely injured lower limb based on wound location, size, and complexity. 2. Select and design tissue-specific flaps based on the functional demand of the zone of injury. 3. Understand the indications for using a flap with a skin component versus a muscle-only flap. 4. Understand the preoperative vascular assessment for lower extremity flap reconstruction. 5. Recognize and manage risk factors to decrease complications and improve flap survival...
January 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28027244/definitive-management-of-persistent-frontal-sinus-infections-and-mucocele-with-a-vascularized-free-fibula-flap
#12
Sammy Sinno, Eduardo D Rodriguez
Chronic frontal sinus infections in the setting of previous trauma or tumor removal are challenging clinical scenarios. To remove and débride all chronically infected tissue, obliterate dead space, and provide a stable reconstructive yet aesthetic contour are critical tasks in managing these patients. The vascularized free fibula is an ideal flap for this situation; in this article, the authors detail their technique in a patient with chronic frontal sinus infections complicated by mucocele formation.
January 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28026734/-callus-distraction-in-the-treatment-of-post-traumatic-defects-of-the-femur-and-tibia
#13
R Veselý, V Procházka
PURPOSE OF THE STUDY Evaluation of the results in patients treated for post-traumatic defects by the method of callus distraction of the femur and tibia using a monolateral external fixator. MATERIAL AND METHODS The group comprised 42 patients, 38 men and 4 woman, who underwent callus distraction using a monolateral external fixator in the Trauma Hospital Brno in the period from 2003 to 2010. The average age of the patients on the day gradual callus distraction was commenced was 32 (18-64) years. Post-traumatic bone defects were treated in 31 patients and deformities resulting from resection of post-traumatic infection loci in 11 patients...
2016: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
https://www.readbyqxmd.com/read/28007589/rectovaginal-splenosis-an-unexpected-cause-of-dyspareunia-approached-by-laparoscopy
#14
Hélder Ferreira, Cristina Maciel, Alexandre Morgado, António Pereira
STUDY OBJECTIVE: To demonstrate the technique of laparoscopic approach in a rare case of rectovaginal splenosis with severe dyspareunia and dyschesia. DESIGN: A step-by-step explanation of the patient's condition, diagnosis, surgical technique, and postoperative results. SETTING: Splenosis consists of ectopic functioning splenic tissue that can be located anywhere within the abdomen or pelvis. Fragments are often multiple and range in diameter from a few millimeters to a few centimeters...
December 19, 2016: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28005133/formulation-of-generalised-mass-transfer-correlations-for-blood-oxygenator-design
#15
Kenny Wei Quan Low, Raoul van Loon, Sam Rolland, Johann Sienz
This paper numerically investigates non-Newtonian blood flow with oxygen and carbon dioxide transport across and along an array of uniformly square and staggered arranged fibres at various porosity (e) levels, focussing on a low Reynolds number regime (Re < 10). The objective is to establish suitable mass transfer correlations, expressed in the form of Sherwood number (Sh = f (e,Re,Sc)), that identifies the link from local mass transfer investigations to full-device analyses. The development of a concentration field is initially investigated and expressions are established covering the range from a typical deoxygenated condition up to a full oxygenated condition...
December 22, 2016: Journal of Biomechanical Engineering
https://www.readbyqxmd.com/read/28003031/pyomyositis-is-not-only-a-tropical-pathology-a-case-series
#16
Laura Comegna, Paola Irma Guidone, Giovanni Prezioso, Simone Franchini, Marianna Immacolata Petrosino, Paola Di Filippo, Francesco Chiarelli, Angelika Mohn, Nadia Rossi
BACKGROUND: Pyomyositis is an acute bacterial infection of skeletal muscle that results in localized abscess formation. This infection was thought to be endemic to tropical countries, and is also known as "tropical pyomyositis". However, pyomyositis is increasingly recognized in temperate climates and is frequently associated with an immunosuppressive condition, such as human immunodeficiency virus, malignancy, and diabetes mellitus. It is also found in healthy and athletic people after strenuous or vigorous exercise or following localized and possibly unnoticed trauma...
December 21, 2016: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28002343/florid-reactive-periostitis-in-the-fifth-phalange-of-a-professional-boxer-a-case-report
#17
Yuji Tomori, Ryuji Ohashi, Zenya Naito, Mitsuhiko Nanno, Shinro Takai
RATIONALE: Florid reactive periostitis is a rare, benign bone and chondrogenic lesion that develops most frequently in the phalanges of the hands. Although the definitive cause of florid reactive periostitis is unknown, the major inciting factor is generally considered to be trauma, including repetitive minor trauma. PATIENT CONCERNS: We present a case of florid reactive periostitis affecting two contiguous phalangeal bones of the left fifth phalange of a 23-year-old male professional boxer...
December 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27995108/operative-management-of-acetabular-fracture-a-10-year-experience-in-isfahan-iran
#18
Mohammadreza Etemadifar, Amin Nemati, Mojde Chinigarzade
BACKGROUND: Pelvic and acetabular fractures constitute 2% of all fractures. The aim of the present study was to present acetabular fracture outcome in patients who underwent operative treatment. MATERIALS AND METHODS: This study was a prospective cohort study, which was performed in Isfahan, Iran. During the period study, all patients who admitted to Alzahra Hospital with acetabular fracture and underwent acetabular surgery were evaluated. Data about age, sex, associated fractures, Intensive Care Unit admission, the time between admission and surgery were gathered...
2016: Advanced Biomedical Research
https://www.readbyqxmd.com/read/27989140/enolate-forming-compounds-as-a-novel-approach-to-cytoprotection
#19
Richard M LoPachin, Brian C Geohagen, Lars Ulrik Nordstrøm, Terrence Gavin
Evidence from laboratory studies and clinical trials suggests that plant-derived polyphenolic compounds such as curcumin, resveratrol, or phloretin might be useful in the treatment of certain diseases (e.g., Alzheimer's disease) and acute tissue injury states (e.g., spinal cord trauma). However, despite this potential, the corresponding chemical instability, toxic potential, and low bioavailability of these compounds could limit their ultimate clinical relevance. We have shown that pharmacophores of curcumin (e...
December 19, 2016: Chemical Research in Toxicology
https://www.readbyqxmd.com/read/27981888/diabetes-mellitus-and-bone-regeneration-a-systematic-review-and-meta-analysis-of-animal-studies
#20
Winston Adam Camargo, Rob de Vries, Judith van Luijk, Ewald M Bronkhorst, Jan Willem M Hoekstra, Jeroen van den Beucken, John A Jansen
Background The regeneration of bone defects resulting from trauma, resection of tumours, infection or congenital disease is a challenge, and bone grafts are utilized in a wide array of clinical settings to augment bone repair and regeneration. Diabetes Mellitus is a chronic metabolic disease, which affects 8.3% of the world population, summing approximately 387 million individuals. The consequences of the disease, e.g. hyperglycaemia, have been linked to poor bone quality and reduced capacity to form bone, influencing bone healing...
December 16, 2016: Tissue Engineering. Part B, Reviews
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