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Hypertrophic scar

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https://www.readbyqxmd.com/read/28095774/multiple-focal-and-macroreentrant-left-atrial-tachycardias-originating-from-a-spontaneous-scar-at-the-contiguous-aorta-left-atrium-area-in-a-patient-with-hypertrophic-cardiomyopathy-a-case-report
#1
Kyoichiro Yazaki, Yoichi Ajiro, Fumiaki Mori, Masahiro Watanabe, Kei Tsukamoto, Takashi Saito, Keiko Mizobuchi, Kazunori Iwade
BACKGROUND: Spontaneous scar-related left atrial tachycardia (AT) is a rare arrhythmia. We describe a patient with hypertrophic cardiomyopathy (HCM) who developed multiple, both focal and macroreentrant left ATs associated with a spontaneous scar located at the aorta-left atrium (LA) contiguous area. CASE PRESENTATION: A 65-year-old man with HCM complained of palpitations. Twelve-lead electrocardiogram showed narrow QRS tachycardia with 2:1 atrioventricular conduction...
January 17, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28095550/the-diagnostic-role-of-optical-coherence-tomography-oct-in-measuring-the-depth-of-burn-and-traumatic-scars-for-more-accurate-laser-dosimetry-pilot-study
#2
Jill S Waibel, Ashley C Rudnick, Adam J Wulkan, Jon D Holmes
BACKGROUND: In recent decades, a number of optimal diagnostic technologies have emerged to assist in tissue visualization. Real-time monitoring of skin during laser therapies will help optimize laser parameters for more ef cient therapies. One of these technologies, optimal coherence tomography (OCT), may be used to help visualize burn and traumatic scars. When lasing severe scars, lasers have tunable pulse energies, which are made proportional to the scar thickness as estimated by palpation and the physician eye...
November 1, 2016: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28092445/mir-29b-promotes-skin-wound-healing-and-reduces-excessive-scar-formation-by-inhibition-of-the-tgf-%C3%AE-1-smad-ctgf-signaling-pathway
#3
Jingdong Guo, Quan Lin, Ying Shao, Li Rong, Duo Zhang
The hypertrophic scar is a medical difficulty of humans, which has caused great pain to patients. Here, we investigated the inhibitory effect of miR-29b on scar formation. The scalded model was established in mice and miR-29b mimics or a negative control was subcutaneously injected into the injury skin. Then various molecular biological experiments were performed to assess the effect of miR-29b on scar formation. According to our present study, first, the results demonstrated that miR-29b was down-regulated in thermal injury tissue and miR-29b treatment could promote wound healing, inhibit scar formation, and alleviate histopathological morphologic alteration in scald tissues...
November 24, 2016: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28092339/beta-adrenergic-receptor-blockers-reduce-the-occurrence-of-keloids-and-hypertrophic-scars-after-cardiac-device-implantation-a-single-institution-case-control-study
#4
Tatsuki Enoshiri, Motoko Naitoh, Satoko Yamawaki, Atsushi Kawaguchi, Rino Aya, Kazuo Noda, Yasuhiro Katayama, Takahiro Doi, Tetsuma Kawaji, Shigehiko Suzuki
No abstract text is available yet for this article.
January 12, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28077400/differential-expression-of-hedgehog-and-snail-in-cutaneous-fibrosing-disorders-implications-for-targeted-inhibition
#5
Amrita Goyal, Katy R Linskey, Jonathan Kay, Lyn M Duncan, Rosalynn M Nazarian
OBJECTIVES: To examine Hedgehog signaling in cutaneous fibrosing disorders for which effective approved therapies are lacking, expand our knowledge of pathophysiology, and explore the rationale for targeted inhibition. METHODS: Stain intensity and percentage of cells staining for Sonic hedgehog (Shh), Indian hedgehog (Ihh), Patched (Ptch), glycogen synthase kinase 3 β (GSK3-β), β-catenin, and Snail were evaluated in human skin biopsy specimens of keloid, hypertrophic scar (Hscar), scleroderma, nephrogenic systemic fibrosis (NSF), scar, and normal skin using a tissue microarray...
December 2016: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28075443/microrna-expression-signature-and-the-therapeutic-effect-of-the-microrna%C3%A2-21-antagomir-in-hypertrophic-scarring
#6
Liang Guo, Kai Xu, Hongbo Yan, Haifeng Feng, Tao Wang, Linlin Chai, Guozheng Xu
Hypertrophic scars (HS) area fibroproliferative disorder of the skin, which causes aesthetic and functional impairment. However, the molecular pathogenesis of this disease remains largely unknown and currently no efficient treatment exists. MicroRNAs (miRNAs) are involved in a variety of pathophysiological processes, however the role of miRNAs in HS development remains unclear. To investigate the miRNA expression signature of HS, microarray analysis was performed and 152 miRNAs were observed to be differentially expressed in HS tissue compared with normal skin tissues...
January 5, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28074719/-ten-tips-for-initial-assessment-and-treatment-of-minor-burns
#7
G L Vlaspolder, A F P M Vloemans, R S Breederveld
The initial care of a patient with burns is a challenge for every doctor. After cooling the burn appropriately, a careful history and a good initial assessment are of essential importance for treatment. The burn should be inspected regularly for early detection of any infection and to evaluate wound healing. If healing has not occurred in two weeks, hypertrophic scarring may develop and surgical treatment should be considered. It is always possible to contact the burns centres in Beverwijk, Rotterdam and Groningen to discuss treatment of the burn, any infection of a wound, consideration of surgical treatment, or transfer of a patient to a burn centre...
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/28067426/non-coding-rnas-the-new-insight-on-hypertrophic-scar
#8
Ling Chen, Jingyun Li, Qian Li, Hui Yan, Bei Zhou, Yanli Gao, Jun Li
Hypertrophic scarring (HS), a fibroproliferative disorder caused by abnormal wound healing after skin injury, is characterized by excessive deposition of extracellular matrix and invasive growth of fibroblasts. Numerous studies have reported that non-coding RNAs (ncRNAs) including microRNAs (miRNAs, miRs) and long non-coding RNAs (lncRNAs) play important roles in HS formation. Exploring non-coding RNA-based methods to treat scar would be instrumental for devising new effective therapies against scar. This article is protected by copyright...
January 9, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28056485/evidence-of-invasive-and-non-invasive-treatment-modalities-for-hypertrophic-scars-a-systematic-review
#9
Mona Kafka, Vanessa Collins, Lars-Peter Kamolz, Thomas Rappl, Ludwik K Branski, Paul Wurzer
Currently, there are various therapeutic approaches to reduce hypertrophic scarring, however, there is no standard evidence-based treatment protocol. Hence, we performed a systematic review to obtain a summary of the latest clinical trials to evaluate evidence for the treatment of hypertrophic scars. The review protocol was registered and approved by PROSPERO (CRD42015027040). PubMed and Web of Science were searched using predefined MeSH-Terms to identify studies published within the last 10 years regarding treatment for hypertrophic scars...
January 5, 2017: Wound Repair and Regeneration
https://www.readbyqxmd.com/read/28054644/the-effectiveness-of-pressure-therapy-15-25%C3%A2-mmhg-for-hypertrophic-burn-scars-a-systematic-review-and-meta-analysis
#10
Jin-Wei Ai, Jiang-Tao Liu, Sheng-Duo Pei, Yu Liu, De-Sheng Li, Hong-Ming Lin, Bin Pei
Although pressure therapy (PT) represents the standard care for prevention and treatment of hypertrophic scar (HS) from burns, its practice is largely based on empirical evidence and its effectiveness remains controversial. To clarify the effect of PT (15-25 mmHg) for HS, we performed the systematic review and meta-analysis. Several electronic databases were screened to identify related randomized controlled trials (RCTs). 12 RCTs involving 710 patients with 761 HS resulting from burn injuries were included...
January 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28053380/plating-versus-conservative-treatment-in-mid-shaft-fractures-of-clavicle-a-comparative-study
#11
R K S Dhakad, Mahendra Panwar, Sameer Gupta
OBJECTIVES: Mid shaft clavicle fractures have traditionally been treated by conservative means with good outcome. ORIF with plating is an upcoming option to improve outcome further. Aim of this study is to compare the outcome of anterosuperior plating with conservative treatment. METHODS: The study was conducted over a period of one year, with 50 skeletally mature closed mid shaft fractures included. Alternate patients were operated using a 3.5 mm anterosuperior LCP...
October 2016: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/28052826/a-systematic-review-and-comparison-of-outcomes-following-simple-syndactyly-reconstruction-with-skin-grafts-or-a-dorsal-metacarpal-advancement-flap
#12
Matthew A Sullivan, Joshua M Adkinson
PURPOSE: Many techniques exist for simple syndactyly reconstruction. The most commonly used techniques involve either skin grafts or a dorsal metacarpal advancement flap. Our aim was to review and compare the outcomes of these 2 techniques systematically. METHODS: We reviewed articles from PubMed, MEDLINE, EMBASE, and Google Scholar published between January 1966 and January 2016. We identified studies that reported outcomes after reconstruction of simple syndactyly using skin grafts and those using only a dorsal metacarpal advancement flap...
January 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28044352/delayed-allergic-dermatitis-presenting-as-a-keloid-like-reaction-caused-by-sting-from-an-indo-pacific-portuguese-man-o-war-physalia-utriculus
#13
B E K Guevara, J F Dayrit, V Haddad
Cnidarian envenomations are common occurrences in the tropics that can affect holidaymakers. The cutaneous reactions are classified as immediate or delayed types. Delayed allergic reactions are persistently recurring dermatitis, which can occur within 1-4 weeks from the initial sting, and may last for several months. Hypertrophic scar-like or keloid-like reactions are rare, and are believed to be a type IV hypersensitivity reaction to sequestered antigens from stinging filaments. We report an unusual case of delayed allergic dermatitis with keloid-like presentation caused by Physalia utriculus...
January 2, 2017: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/28043785/tissue-sealants-may-reduce-haematoma-and-complications-in-face-lifts-a-meta-analysis-of-comparative-studies
#14
REVIEW
Salvatore Giordano, Ilkka Koskivuo, Erkki Suominen, Esko Veräjänkorva
: The use of tissue sealants has increased among different surgical specialities. Face-lift and rhytidoplasty may cause several complications such as haematoma, ecchymosis, oedema, seroma, skin necrosis, wound dehiscence and wound infection. However, administration of tissue sealants may prevent the occurrence of some complications. We performed a meta-analysis of studies that compared tissue sealant use with controls to evaluate the outcomes. A systematic literature search was performed...
December 15, 2016: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28040601/a-novel-elastic-liposome-for-skin-delivery-of-papain-and-its-application-on-hypertrophic-scar
#15
Yan-Yan Chen, Ye-Hui Lu, Chun-Hua Ma, Wei-Wei Tao, Jing-Juan Zhu, Xu Zhang
This study aims to investigate the therapeutic effects of papain elastic liposomes (PEL) on hypertrophic scar through topical application. PEL were prepared using the reverse-phase evaporation method and optimized by response surface methodology. The transdermal absorption of optimized PEL was tested by vertical Franz diffusion cells in vitro. The effects of PEL were investigated in rabbit model of hypertrophic scar in vivo, histological analysis and scar-related proteins were detected to reveal potential scar repair mechanism...
December 29, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28040366/3d-printed-transparent-facemasks-in-the-treatment-of-facial-hypertrophic-scars-of-young-children-with-burns
#16
Yating Wei, Cecilia W P Li-Tsang, Jun Liu, Lihua Xie, Shukai Yue
INTRODUCTION: Facial burns could create serious scar problems resulting disfigurement particularly on children. The conventional methods of producing transparent face masks for scar control remains complex and require dexterous skills of experienced clinician and patients' compliance during fitting. In this study, we adopted a portable 3D scanning and Computer-Aided Design (CAD) to produce 3D-printed transparent facemasks. Its efficacy was tested on two children with facial burns resulting hypertrophic scars...
December 28, 2016: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/28033625/-analysis-of-critically-perfused-tissues-by-laser-speckle-contrast-analysis-lasca-perfusion-imaging
#17
A Limbourg, C Radtke, R Ipaktchi, P M Vogt
Background: The success of tissue transplantation and long-term tissue stability after wound healing depends on sufficient tissue perfusion. Laser Doppler-supported procedures allow for an objective measurement of relative tissue perfusion. The development of Speckle-based Laser Doppler imaging now enables a real-time representation of tissue perfusion. The perfusion of tissues relevant in plastic surgery such as scars, phalangeal replantations and burn wounds were systematically analysed by Laser Speckle Contrast Analysis (LASCA) imaging...
December 2016: Handchirurgie, Mikrochirurgie, Plastische Chirurgie
https://www.readbyqxmd.com/read/28032165/an-alternative-posterosuperior-auricular-fascia-flap-for-ear-elevation-during-microtia-reconstruction
#18
Yiyuan Li, Ruhong Zhang, Qun Zhang, Zhicheng Xu, Feng Xu, Datao Li
BACKGROUND: Advances in staged total auricular reconstruction have resulted in improved anterior auricular appearance; however, satisfactory postreconstruction esthetics of the retroauricular fold remain challenging. The postauricular appearance of the reconstructed ear depends largely upon optimizing the covering material. When used as the covering soft tissue for ear elevation, a flap containing primarily the upper portion of the retroauricular fascia has potential advantages over the conventional book cover-type retroauricular fascia flap...
December 28, 2016: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28027250/important-developments-in-burn-care
#19
Kevin J Zuo, Abelardo Medina, Edward E Tredget
LEARNING OBJECTIVES: After studying this article, the participant should be able to: 1. Explain the epidemiology of severe burn injury in the context of socioeconomic status, gender, age, and burn cause. 2. Describe challenges with burn depth evaluation and novel methods of adjunctive assessment. 3. Summarize the survival and functional outcomes of severe burn injury. 4. State strategies of fluid resuscitation, endpoints to guide fluid titration, and sequelae of overresuscitation. 5. Recognize preventative measures of sepsis...
January 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28009700/silver-sulfadiazine-retards-wound-healing-and-increases-hypertrophic-scarring-in-a-rabbit-ear-excisional-wound-model
#20
Li-Wu Qian, Andrea B Fourcaudot, Kai P Leung
This study evaluated the effects of topical use of silver sulfadiazine cream (SSD) on wound healing and subsequent scarring in a rabbit ear wound model. Seven millimeter full-thickness excisional wounds were created in rabbit ears. Twenty-four rabbits were randomized into four groups in which each group received base cream, 0.01% SSD, 0.1% SSD, or 1% SSD, respectively. Each treatment was applied at 2-day intervals from postoperative days (PODs) 2 to 14. At POD 7, half of the rabbits from each group were killed and tissues were harvested to measure wound healing parameters that included epithelial gap and granulation area...
January 2017: Journal of Burn Care & Research: Official Publication of the American Burn Association
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