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https://www.readbyqxmd.com/read/28793143/intraoperative-diagnosis-of-anderson-fabry-disease-in-patients-with-obstructive-hypertrophic-cardiomyopathy-undergoing-surgical-myectomy
#1
Franco Cecchi, Maria Iascone, Niccolò Maurizi, Laura Pezzoli, Irene Binaco, Elena Biagini, Maria Laura Fibbi, Iacopo Olivotto, Federico Pieruzzi, Ana Fruntelata, Lucian Dorobantu, Claudio Rapezzi, Paolo Ferrazzi
Importance: Diagnostic screening for Anderson-Fabry cardiomyopathy (AFC) is performed in the presence of specific clinical red flags in patients with hypertrophic cardiomyopathy (HCM) older than 25 years. However, left ventricular outflow tract obstruction (LVOTO) has been traditionally considered an exclusion criteria for AFC. Objective: To examine a series of patients diagnosed with HCM and severe basal LVOTO undergoing myectomy in whom the diagnosis of AFC was suspected by the cardiac surgeon intraoperatively and confirmed by histological and genetic examinations...
August 9, 2017: JAMA Cardiology
https://www.readbyqxmd.com/read/28763906/-effects-of-scar-excision-combined-with-negative-pressure-on-repair-of-hypertrophic-scar-in-burn-children
#2
J H Cai, H P Deng, Z A Shen, T J Sun, D J Li, D W Li, L X He, L Wang, X Jin
Objective: To explore the effects of scar excision combined with negative-pressure on repair of hypertrophic scar in burn children. Methods: From October 2010 to August 2016, 25 children with hypertrophic scar after deep burn were hospitalized, with scar course ranging from 3 months to 11 years and scar area ranging from 35 to 427 [83(51, 98)]cm(2). A total of 35 scars of 25 children were located in trunk (11 scars), upper limb (11 scars), and lower limb (13 scars). All children received scar excision operation and negative-pressure treatment (negative-pressure value ranged from -40 to -20 kPa), among which 6 cases received scar excision operation and negative-pressure treatment for two times for further removal of scars...
July 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28754081/pulmonary-capillary-hemangiomatosis-and-hypertrophic-cardiomyopathy-in-a-persian-cat
#3
Tiffany L Jenkins, Ryan N Jennings
Pulmonary capillary hemangiomatosis (PCH) and pulmonary veno-occlusive disease (PVOD) are rare causes of primary pulmonary hypertension in humans, and, in 2016, were reported in dogs. A 1-y-old, neutered male Persian cat was presented for autopsy after sudden death several hours after grooming. Grossly, the lungs were mottled red-to-pink, contained rubbery-to-firm nodular foci, and there was moderate-to-marked left-sided cardiomegaly and left atrial dilation, consistent with hypertrophic cardiomyopathy. Microscopically, there was multifocal to regionally extensive capillary proliferation within pulmonary alveolar septa and around respiratory bronchioles, with nodular aggregates of densely arranged capillaries that replaced pulmonary alveolar spaces...
July 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28727221/scar-formation-following-excisional-and-burn-injuries-in-a-red-duroc-pig-model
#4
Britani N Blackstone, Jayne Y Kim, Kevin L McFarland, Chandan K Sen, Dorothy M Supp, J Kevin Bailey, Heather M Powell
Scar research is challenging because rodents do not naturally form excessive scars, and burn depth, size, and location cannot be controlled in human longitudinal studies. The female, red Duroc pig model has been shown to form robust scars with biological and anatomical similarities to human hypertrophic scars. To more closely mimic the mode of injury, recreate the complex chemical milieu of the burn wound environment and enhance scar development, an animal model of excessive burn-induced scarring was developed and compared with the more commonly used model, which involves excisional wounds created via dermatome...
July 20, 2017: Wound Repair and Regeneration
https://www.readbyqxmd.com/read/28684219/elevated-plasma-levels-of-mir-29a-are-associated-with-hemolysis-in-patients-with-hypertrophic-cardiomyopathy
#5
Dimitrios Ntelios, Soultana Meditskou, Georgios Efthimiadis, Antonios Pitsis, Eleni Nikolakaki, Fotios Girtovitis, Despoina Parcharidou, Thomas Zegkos, Sofia Kouidou, Haralampos Karvounis, Georgios Tzimagiorgis
BACKGROUND: miR-29a is a small non-coding RNA that is known to repress collagen synthesis. Interestingly, elevated plasma miR-29a was reported to correlate with pronounced myocardial fibrosis in patients with hypertrophic cardiomyopathy. The objective of this study was to elucidate the origin of plasma miR-29a, and evaluate its significance as a biomarker. METHODS: miR-29a expression was evaluated in plasma (n=50) and myocardial samples (n=4) from patients with hypertrophic cardiomyopathy using RT-qPCR...
July 4, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28617563/regulatory-mechanism-of-mir-29-over-tgf-%C3%AE-1-and-col1-in-scar-cells
#6
S Bi, C Cao, L-L Chai, S-R Li, D-Y Yang
OBJECTIVE: To study the regulatory mechanism of miR-29 over TGF-β1 and COL1 in scar cells. PATIENTS AND METHODS: 5 clinical cases of hypertrophic scar (HS) skin and adjacent normal skin tissues were separated into fibroblast for primary culture and subculture before being observed morphologically and standard HE staining under an ordinary optical microscope. RT-PCR method was applied to test the expression level of miR-29, TGF-β1, and COL1 mRNA. ELISA method was applied to test the expression level of extracellular matrix COL1, fibronectin (FN) and α-SMA...
May 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28465251/danshen-injection-prevents-heart-failure-by-attenuating-post-infarct-remodeling
#7
Lingyan Wang, Jiahui Yu, Patrick Asare Fordjour, Xiaoxue Xing, Hui Gao, Yanyan Li, Lingyan Li, Yan Zhu, Xiumei Gao, Guanwei Fan
ETHNOPHARMACOLOGICAL RELEVANCE: Danshen Injection (DSI) is a traditional Chinese medicine extracted from Danshen, prepared from the dried root and rhizome of Salvia miltiorrhiza Bunge. Danshen is an ancient antipyretic traditional Chinese medicine which is mostly used to improve blood circulation and dispel blood stasis. Danshen decoction or liquor-fried Danshen (with grain-based liquor) which is cool in nature is traditionally used to 'cool the blood' and reduce the swelling of sores and abscesses...
April 29, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28384007/effect-of-chymase-activity-on-skin-thickness-in-the-clawn-miniature-pig-hypertrophic-scarring-model
#8
Shotaro Jimi, Hajime Matsumura
OBJECTIVE: The female red Duroc pig, a heavy and cumbersome animal, is routinely used as an animal model for hypertrophic scarring. Chymase, a chymotrypsin-like serine protease, plays an important role in skin fibrosis. This study aimed to create a lightweight pig hypertrophic scarring model using Clawn miniature pigs, and to investigate the role of chymase in hypertrophic scarring. METHODS: After creating four skin wounds (7.5 × 7.5 cm, depth = 0.15 cm) in each pig, skin biopsies were performed after 15, 30, 60, 90, 120, and 150 days...
April 6, 2017: Journal of Plastic Surgery and Hand Surgery
https://www.readbyqxmd.com/read/28293527/the-use-of-silgel-stc-se-a-topical-silicone-gel-for-the-treatment-and-reduction-of-hypertrophic-and-keloid-scars
#9
Sharon A Stewart, Greig M G Dougall, Erica M Tafuro
BACKGROUND: A single-center study assessing the efficacy of Nagor's Silgel STC-SE silicone gel to reduce the appearance of hypertrophic and keloid scars. METHODS: A 16-week controlled study of 36 patients with hypertrophic or keloid scars. The subjects were divided between 2 cohorts: one assessing recently healed scars (<6 mo) and other assessing older scars (6 mo to 2 y). The efficacy of Silgel STC-SE on the scar was evaluated by skin hydration, skin moisture evaporation, skin elasticity, basic scar measurements, subjective patient questionnaire data, and image analysis...
December 2016: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28259957/photodynamic-inactivation-of-fibroblasts-and-inhibition-of-staphylococcus%C3%A2-epidermidis-adhesion-and-biofilm-formation-by-toluidine-blue-o
#10
Xin Li, Zizhong Liu, Houfang Liu, Xi Chen, Yue Liu, Honglue Tan
Treating skin and soft tissue infections of severe limb traumas can be challenging. Crucial concerns focus on inhibiting biofilm formation by antibiotic‑resistant bacteria, and preventing scar formation by fibroblastic hyperproliferation. The local use of toluidine blue O (TBO)‑mediated photodynamic therapy (PDT) may be a promising strategy for treating such lesions. The present study used Staphylococcus epidermidis (strain ATCC 35984) to assess the effects of TBO‑PDT on bacterial adherence and biofilm formation, using confocal laser scanning microscopy (CLSM), tissue culture plating (TCP) and scanning electron microscopy (SEM)...
April 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28256566/aberrant-epicardial-adipose-tissue-extracellular-matrix-remodeling-in-patients-with-severe-ischemic-cardiomyopathy-insight-from-comparative-quantitative-proteomics
#11
Ding-Sheng Jiang, Hao-Long Zeng, Rui Li, Bo Huo, Yun-Shu Su, Jing Fang, Qing Yang, Li-Gang Liu, Min Hu, Cai Cheng, Xue-Hai Zhu, Xin Yi, Xiang Wei
There is ample evidence indicating that epicardial adipose tissue (EAT) volume and thickness is positively associated with coronary artery disease (CAD). However, the exact pathological changes in the human EAT after myocardial ischemia remains largely unclear. In the current study, we applied a comparative quantitative proteomics to elucidate the altered biological processes in the EAT of ischemic cardiomyopathy (ICM) patients. A total of 1649 proteins were successfully quantified in our study, among which 165 proteins were significantly changed (ratio <0...
March 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28247932/the-dentato-rubro-olivary-pathway-revisited-new-mr-imaging-observations-regarding-hypertrophic-olivary-degeneration
#12
Gitte Smets, Julie Lambert, Maud Tijssen, Cindy Mai, Thomas Decramer, Wim Vandenberghe, Johannes Van Loon, Philippe Demaerel
INTRODUCTION: Hypertrophic olivary degeneration (HOD) following a lesion of the dentato-rubro-olivary pathway (DROP) is a well-known imaging finding and has extensively been described in the recent literature. MATERIAL AND METHODS: We reviewed our patients with HOD as a result of a lesion of the DROP in order to analyze the disruption of the DROP and the resulting HOD in comparison with the literature. RESULTS: We observed unusual imaging findings in four patients...
March 1, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28180922/effect-of-btxa-on-inhibiting-hypertrophic-scar-formation-in-a-rabbit-ear-model
#13
Dong-Qing Liu, Xiao-Jing Li, Xiao-Juan Weng
BACKGROUND: Hypertrophic scar (HS) is a refractory skin disease caused by major physical damage or other inflammation. Some reports found that botulinum toxin type A (BTXA) could be an alternative treatment of the HS. Therefore, the authors studied the effects of BTXA on the treatment of HS and the dose response of BTXA. METHODS: Hypertrophic scars were harvested from the ears of 18 young adult New Zealand big-eared rabbits and treated with BTXA or triamcinolone acetonide (TAC) in vivo experiment...
June 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28153584/assessing-blood-flow-microvasculature-erythema-and-redness-in-hypertrophic-scars-a-cross-sectional-study-showing-different-features-that-require-precise-definitions
#14
M E H Jaspers, C M Stekelenburg, J M Simons, K M Brouwer, M Vlig, E van den Kerckhove, E Middelkoop, P P M van Zuijlen
BACKGROUND: In hypertrophic scar assessment, laser Doppler imaging (LDI), colorimetry and subjective assessment (POSAS) can be used to evaluate blood flow, erythema and redness, respectively. In addition, the microvasculature (i.e. presence of microvessels) can be determined by immunohistochemistry. These measurement techniques are frequently used in clinical practice and/or in research to evaluate treatment response and monitor scar development. However, until now it has not been tested to what extent the outcomes of these techniques are associated, whilst the outcome terms are frequently used interchangeably or replaced by the umbrella term 'vascularization'...
January 30, 2017: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/28139503/endoscopic-resection-of-asymptomatic-colonic-polypoid-arteriovenous-malformations-two-case-reports-and-a-literature-review
#15
REVIEW
Han-Hee Lee, Hyuk-Min Kwon, Sanghyun Gil, Young-Shin Kim, Minjung Cho, Kyung-Jin Seo, Hiun-Suk Chae, Young-Seok Cho
A colonic arteriovenous malformation (AVM) is a significant vascular lesion of the gastrointestinal tract and a common cause of lower gastrointestinal bleeding. AVMs are usually identified endoscopically as bright red, flat lesions. AVMs with a polypoid appearance are extremely rare in the large intestine. We present two cases of colonic polypoid AVM, which were detected incidentally during screening colonoscopy. Both the patients had no history of gastrointestinal bleeding such as melena or hematochezia. Colonoscopy revealed pedunculated polyps overlaid by hyperemic mucosa in the ascending colon and proximal sigmoid colon...
January 2017: Saudi Journal of Gastroenterology: Official Journal of the Saudi Gastroenterology Association
https://www.readbyqxmd.com/read/28077803/gerosuppression-by-pan-mtor-inhibitors
#16
Olga V Leontieva, Mikhail V Blagosklonny
Rapamycin slows organismal aging and delays age-related diseases, extending lifespan in numerous species. In cells, rapamycin and other rapalogs such as everolimus suppress geroconversion from quiescence to senescence. Rapamycin inhibits some, but not all, activities of mTOR. Recently we and others demonstrated that pan-mTOR inhibitors, known also as dual mTORC1/C2 inhibitors, suppress senescent phenotype. As a continuation of these studies, here we investigated in detail a panel of pan-mTOR inhibitors, to determine their optimal gerosuppressive concentrations...
December 30, 2016: Aging
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
#17
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/27860441/effects-of-human-chorionic-gonadotropin-on-testicular-interstitial-tissues-in-men-with-non-obstructive-azoospermia
#18
S Oka, K Shiraishi, H Matsuyama
Non-obstructive azoospermia is a severe condition because spermatogenesis per se is disrupted. Although microdissection testicular sperm extraction is the standard therapy for non-obstructive azoospermia, sperm retrieval is unsuccessful in approximately 50% of patients. For these patients, we conducted human chorionic gonadotropin-based salvage hormonal therapy, and sperm retrieval was possible in 10-20% of patients. The objectives of this study were to assess the changes in interstitial lesions in patients with non-obstructive azoospermia and to evaluate the effects of human chorionic gonadotropin on these tissues...
March 2017: Andrology
https://www.readbyqxmd.com/read/27779914/estradiol-synthesis-in-gut-associated-lymphoid-tissue-leukocyte-regulation-by-a-sexually-monomorphic-system
#19
Oliver R Oakley, Kee Jun Kim, Po-Ching Lin, Radwa Barakat, Joseph A Cacioppo, Zhong Li, Alexandra Whitaker, Kwang Chul Chung, Wenyan Mei, CheMyong Ko
17β-estradiol is a potent sex hormone synthesized primarily by gonads in females and males that regulates development and function of the reproductive system. Recent studies show that 17β-estradiol is locally synthesized in nonreproductive tissues and regulates a myriad of events, including local inflammatory responses. In this study, we report that mesenteric lymph nodes (mLNs) and Peyer's patches (Pps) are novel sites of de novo synthesis of 17β-estradiol. These secondary lymphoid organs are located within or close to the gastrointestinal tract, contain leukocytes, and function at the forefront of immune surveillance...
December 2016: Endocrinology
https://www.readbyqxmd.com/read/27765090/-effects-of-severe-hypoxia-and-low-concentration-of-serum-protein-on-the-function-of-human-hypertrophic-scar-fibroblasts
#20
J Y Dong, F Song, Y K Liu, X Q Wang
Objective: To simulate the environmental factors during the process of formation and evolution of hypertrophic scar, so as to explore the effects of moderate and severe hypoxia and low concentration of serum protein on the function of human hypertrophic scar fibroblasts (HSFs). Methods: Human HSFs were routinely cultured. Cells of the 3rd to the 6th passage were divided into 10.0% oxygen+ 10.0% fetal calf serum (FCS), 5.0% oxygen+ 5.0% FCS, and 0.5% oxygen+ 0.5% FCS groups according to the random number table...
October 20, 2016: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
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