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Amniotic membranes

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https://www.readbyqxmd.com/read/28912992/giant-conjunctival-nevus-in-a-12-year-old-child
#1
Edit Tóth-Molnár, Eszter Vizvári, Ákos Skribek, András Vörös
We describe a case of a giant conjunctival nevus presented in a 12-year-old girl with suspicious clinicomorphological appearance. The lesion was noticed by the parents at the age of 3 years as a "fleshy spot" on the bulbar conjunctiva. The lesion remained unchanged until approx. 6 months before recent admission. On slit-lamp examination, a large conjunctival lesion with variegate pigmentation and indistinct margins was detected on the superonasal part of the bulbar conjunctiva of the left eye. Intralesional cysts and vessels were detected with AS-OCT examination...
2017: Case Reports in Ophthalmological Medicine
https://www.readbyqxmd.com/read/28905161/retrospective-observation-on-trabeculectomy-of-primary-congenital-glaucoma-by-applying-biological-amniotic-membranes-soaked-with-5-fluorouracil
#2
Chenming Zhang, Jing Wang, Hui Gao, Xiuqin Wang, Min Wu, Bailing Guo, Chunlei Liu, Wei Liu
PURPOSE: To report our experience on treatment of primary congenital glaucoma with trabeculectomy in combination with biological amniotic membranes soaked with 5-fluorouracil. METHODS: This is a retrospective study. Thirty primary congenital glaucoma (PCG) patients (41 eyes) were treated with trabeculectomy in combination with biological amniotic membranes soaked with 5-fluorouracil before operation and followed up for 2.75 ± 1.35 years in average ranging from 1...
September 13, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28898916/-rehabilitation-following-limbal-stem-cell-deficiency-current-treatment-options-and-future-developments
#3
Henning Thomasen, Klaus P Steuhl, Daniel Meller
Limbal stem cell deficiency (LSCD) is a condition caused by the loss of corneal epithelial regenerative potential. The treatment of this condition is still a challenge. It results from various conditions both intrinsic as well as extrinsic. LSCD can be either uni- or bilateral and either partial or total. Today treatment options include a variety of techniques including transplantation of amniotic membrane and limbal tissue or tissue engineered cell sheets. This article summarizes the current techniques to treat LSCD and upcoming developments...
September 12, 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28898687/outcomes-of-mifepristone-usage-for-cervical-ripening-and-induction-of-labour-in-full-term-pregnancy-randomized-controlled-trial
#4
Oleg R Baev, Valentina P Rumyantseva, Oleg V Tysyachnyu, Olga A Kozlova, Gennady T Sukhikh
OBJECTIVE: The most commonly used approved indications for mifepristone in obstetrics include: termination of early pregnancy, cervical dilatation prior to abortion, labour induction in case of fetal death in utero. Fewer studies have been conducted on the effect of mifepristone on cervical ripening and induction of labour in term pregnancy with a live fetus. The aim of our study was to evaluate efficacy and safety of mifepristone use for cervical ripening and induction of labour versus expectant management in full-term pregnancy...
September 1, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28895073/efficacy-and-time-sensitivity-of-amniotic-membrane-treatment-in-patients-with-diabetic-foot-ulcers-a-systematic-review-and-meta-analysis
#5
REVIEW
Irakoze Laurent, Manirakiza Astère, Kan Ran Wang, Qing-Feng Cheng, Qi Fu Li
INTRODUCTION: Diabetic foot ulcers (DFUs) are complex chronic wounds which have a major long-term impact on the morbidity, mortality and quality of patients. The objective of this study was to assess the efficacy and time sensitivity of human amnion/chorion membrane treatment in patients with chronic DFUs. METHODS: The Cochrane Library, PubMed, Embase and Web of Science databases were systematically searched to identify relevant articles up to 10 April 2017. All randomized controlled trials (RCTs) comparing human amnion/chorion membrane + standard therapy and standard therapy alone in patients with DFUs were included in the analysis...
September 11, 2017: Diabetes Therapy: Research, Treatment and Education of Diabetes and related Disorders
https://www.readbyqxmd.com/read/28894606/corneal-nerve-regeneration-after-self-retained-cryopreserved-amniotic-membrane-in-dry-eye-disease
#6
Thomas John, Sean Tighe, Hosam Sheha, Pedram Hamrah, Zeina M Salem, Anny M S Cheng, Ming X Wang, Nathan D Rock
PURPOSE: To evaluate the efficacy of self-retained cryopreserved amniotic membrane (CAM) in promoting corneal nerve regeneration and improving corneal sensitivity in dry eye disease (DED). METHODS: In this prospective randomized clinical trial, subjects with DED were randomized to receive CAM (study group) or conventional maximum treatment (control). Changes in signs and symptoms, corneal sensitivity, topography, and in vivo confocal microscopy (IVCM) were evaluated at baseline, 1 month, and 3 months...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28894161/microbial-communities-in-placentas-from-term-normal-pregnancy-exhibit-spatially-variable-profiles
#7
Lindsay A Parnell, Catherine M Briggs, Bin Cao, Omar Delannoy-Bruno, Andrew E Schrieffer, Indira U Mysorekar
The placenta is the principal organ nurturing the fetus during pregnancy and was traditionally considered to be sterile. Recent work has suggested that the placenta harbours microbial communities, however the location and possible function of these microbes remain to be confirmed and elucidated. Here, we employed genomic DNA sequencing of multiple variable (V) regions of the bacterial 16S ribosomal gene, to interrogate microbial profiles in term pregnancies, from the basal plate, which is in direct contact with maternal uterine, endothelial, and immune cells; placental villi, which are bathed in maternal blood, and fetal membranes, which encapsulate the amniotic cavity...
September 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28893657/the-effect-of-adjuvant-treatment-to-prevent-and-treat-intrauterine-adhesions-a-network-meta-analysis-of-randomized-controlled-trials
#8
REVIEW
Yu Yan, Dongmei Xu
Intrauterine adhesions (IUA) can lead to partial or complete closure of the uterine cavity, which may result in symptoms including abnormal menstruation, infertility, and pelvic pain. A network meta-analysis was performed to assess the effect of adjuvant therapy on the prevention and treatment of intrauterine adhesions. We searched electronic databases, including PubMed, EmBase, and the Cochrane Library, up to May 5, 2017 without language restrictions. The primary outcomes in the present analysis were the rate of IUAs for prevention and the rate of IUA recurrence for treatment...
September 8, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28891072/stable-control-of-physiological-parameters-but-not-infection-in-preterm-lambs-maintained-on-ex-vivo-uterine-environment-therapy
#9
Yuichiro Miura, Haruo Usuda, Shimpei Watanabe, Eleanor Woodward, Masatoshi Saito, Gabrielle C Musk, Suhas G Kallapur, Shinichi Sato, Ryuta Kitanishi, Tadashi Matsuda, John P Newnham, Sarah J Stock, Matthew W Kemp
Ex vivo uterine environment (EVE) therapy is an experimental neonatal intensive care strategy wherein gas exchange is performed by membranous oxygenators attached to the umbilical vessels. Our aim was to assess the ability of a newly refined EVE system to maintain key physiological parameters in preterm lambs within optimal ranges for 48 h. EVE group; n = 6: Preterm lambs were delivered under general anesthesia at 115 ± 2 days of gestational age. Animals were submerged in a bath of artificial amniotic fluid on EVE therapy for 48 h...
September 11, 2017: Artificial Organs
https://www.readbyqxmd.com/read/28875742/medicated-ocular-bandages-and-corneal-health-potential-excipients-and-active-pharmaceutical-ingredients
#10
Ghada Zidan, Ilva D Rupenthal, Carol Greene, Ali Seyfoddin
Corneal blindness can occur due to improper healing of the corneal tissues after induced injury or abrasion which can be accidental, pathogenic or after corneal surgery. Abnormal regulation of the healing mechanisms can lead to corneal opacity. Reducing inflammation and promoting epithelial wound healing is crucial for scar-free corneal recovery without eyesight complications. Current approaches for corneal wound healing involve amniotic membrane (AM) bandages, bandage contact lenses (BCL) and collagen shields in conjunction with frequent administration of therapeutic eye drops...
September 6, 2017: Pharmaceutical Development and Technology
https://www.readbyqxmd.com/read/28868246/antimicrobial-properties-of-amniotic-and-chorionic-membranes-a-comparative-study-of-two-human-fetal-sacs
#11
Majid Zare-Bidaki, Sajad Sadrinia, Soheila Erfani, Ehsan Afkar, Nahid Ghanbarzade
BACKGROUND: There is evidence of antibacterial properties of human chorioamniotic layer. However, the distinctive contribution of its individual parts, amniotic and chorionic membranes, to these effects is still unknown. The aim of present study was comparison of the antibacterial effects between amniotic and chorionic membranes. METHODS: Chorioamniotic layer was removed from placenta belonging to 43 healthy mothers whose infants were delivered by caesarean section...
April 2017: Journal of Reproduction & Infertility
https://www.readbyqxmd.com/read/28864023/clinicoplacental-correlates-of-amniocyte-vacuolization-in-association-with-gastroschisis
#12
Monique E De Paepe, Quanfu Mao, Sharon Chu, Yuqi Zhang, François I Luks
INTRODUCTION/OBJECTIVES: Gastroschisis has been associated with a characteristic type of amniocyte vacuolization. In this study, we determined the frequency and clinicoplacental correlates of this apparently unique alteration of the amniotic epithelium. METHODS: We performed a retrospective clinicopathologic analysis of 74 consecutive cases of isolated gastroschisis. Placental membrane sections were reviewed for presence and extent of amniocyte vacuolization, and immunostained for adipophilin, a lipid droplet-associated protein...
September 2017: Placenta
https://www.readbyqxmd.com/read/28861110/chorioamnionitis-is-a-major-player-in-the-development-of-bronchopulmonary-dysplasia
#13
REVIEW
Chang Won Choi
Chorioamnionitis is an inflammation in the fetal membranes or placenta. When chorioamnionitis develops, fetal lungs are exposed to inflammatory cytokines and mediators via amniotic fluid. Because inflammation plays a pivotal role in the development of bronchopulmonary dysplasia (BPD), a chronic lung disease of prematurity, fetal lung inflammation induced by chorioamnionitis has been considered to be one of the major pathogenetic factors for BPD. Although there have been a number of studies that demonstrated the relationship between chorioamnionitis and BPD, there are still controversies on this issue...
July 2017: Korean Journal of Pediatrics
https://www.readbyqxmd.com/read/28845303/use-of-5-fluorouracil-soaked-bioamniotic-membranes-in-trabeculectomy-for-primary-open-angle-glaucoma-a-retrospective-analysis
#14
Chenming Zhang, Min Wu, Jianrong Wang, Miaomiao Zhang, Xu Wang, Wei Liu
The study is a retrospective analysis of 51 patients (76 eyes) with primary open-angle glaucoma (POAG) who admitted to our hospital from 2008 to 2010 to analyze the efficacy of trabeculectomy in combination with 5-fluorouracil- (5-FU-) soaked amniotic membranes for the treatment of POAG patients. Among them, 30 patients (41 eyes) were treated with trabeculectomy in combination with 5-FU-soaked amniotic membrane and 21 patients (35 eyes) were treated with trabeculectomy in combination with MMC. Preoperative and postoperative intraocular pressures (IOP), cup/disc ratio, visual acuity and postoperative macular OCT, complications, treatment, and number of corneal endothelial cells were measured, recorded, and analyzed...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28835428/oral-mucosal-grafting-combined-with-tenonplasty-for-ocular-surface-and-lid-margin-reconstruction-in-an-atypical-sectorial-chemical-burn
#15
Swati Singh, Purvasha Narang, Vikas Mittal
A 46-year-old woman presented with chemical injury in both eyes after the instillation of undefined eye-drops prescribed by quack. She had an atypical presentation in the form of bilateral severe necrosis of both lids and whole palpebral conjunctiva. Extensive debridement with conjunctival epitheliectomy, tenonplasty and amniotic membrane transplantation (AMT) was performed. Characteristic differences from typical chemical injuries were a sectorial involvement of ocular surface and keratinisation over distorted lid margins...
August 23, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28835072/-advances-in-preparation-and-clinical-application-of-amniotic-membrane-graft
#16
S Q Zheng, T S Chen, S Z Ji, P F Luo, S C Xiao
Amniotic membrane has been used as wound dressing for more than 100 years. With the development of the preservation and preparation techniques, amniotic membrane is widely used in ophthalmology, burns, plastic surgery, dentistry, and neurosurgery. In recent years, as more and more amniotic membrane is used in chronic wounds, it will be a new treatment method for wounds. This paper is a brief review about advances in preparation and clinical application of amniotic membrane graft.
August 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28834819/self-retained-amniotic-membrane-combined-with-antiviral-therapy-for-herpetic-epithelial-keratitis
#17
Anny M S Cheng, Scheffer C G Tseng
PURPOSE: To evaluate the therapeutic benefit of self-retained cryopreserved amniotic membrane in conjunction with oral antiviral therapy in herpetic epithelial keratitis. METHODS: Retrospective review of 4 patients with primary (1 eye) and recurrent (3 eyes) unilateral herpetic epithelial keratitis treated with cryopreserved amniotic membrane through the placement of the PROKERA Slim (PKS) (Bio-Tissue, Inc) in conjunction with oral acyclovir. Their symptoms, conjunctival inflammation, corneal staining, and visual acuity were compared before and after treatment...
August 22, 2017: Cornea
https://www.readbyqxmd.com/read/28819943/the-mmp-9-timp-1-imbalance-and-the-reduced-level-of-tgf-%C3%AE-in-the-cervical-area-of-amniotic-membrane-is-a-possible-risk-factor-of-prom-and-premature-labor-proof-of-concept-study
#18
Małgorzata Litwiniuk, Małgorzata Radowicka, Alicja Krejner, Mirosław Wielgoś, Tomasz Grzela
OBJECTIVES: To assess the level MMP-9, TIMP-1 and TGF-β in placental and cervical region of amniotic membranes derived from at-term, pre-term and PROM deliveries. MATERIAL AND METHODS: 14 amniotic membranes have been assessed; the quantitative analysis of MMP-9, TGF-β and TIMP-1 was assayed using respective Quantikine Immunoassay Kit. RESULTS: The MMP-9 level in PROM samples was similar to the level of MMP-9 in at-term membranes and comparable between the cervical and placental region of these membranes...
2017: Ginekologia Polska
https://www.readbyqxmd.com/read/28816624/comparison-of-two-rabbit-models-with-deficiency-of-corneal-epithelium-and-limbal-stem-cells-established-by-different-methods
#19
Hening Zhang, Shaochun Lin, Min Zhang, Qijiong Li, Weihua Li, Wencong Wang, Minglei Zhao, Yaojue Xie, Zhiquan Li, Mian Huang, Zhichong Wang, Xiulan Zhang, Bing Huang
Limbal stem cell defect model is an important animal model that provides a basis for the study of ocular surface diseases. The rabbit cornea is of moderate size and is widely used in such studies as an experimental animal model. At present, the main modeling methods are alkali burns, and corneal limbus girdling and corneal epithelium doctoring. Each method has its own characteristics. In this study, we observed rabbit models with severe ocular surface defect established by the two methods and changes after amniotic membrane transplantation...
August 14, 2017: Tissue Engineering. Part C, Methods
https://www.readbyqxmd.com/read/28813455/maternal-serum-c-reactive-protein-concentration-and-intra-amniotic-inflammation-in-women-with-preterm-prelabor-rupture-of-membranes
#20
Ivana Musilova, Marian Kacerovsky, Martin Stepan, Tomas Bestvina, Lenka Pliskova, Barbora Zednikova, Bo Jacobsson
OBJECTIVE: To evaluate maternal serum C-reactive protein (CRP) concentrations in pregnancies complicated by preterm prelabor rupture of membranes (PPROM) in relation to the presence of microbial invasion of the amniotic cavity (MIAC) and/or intra-amniotic inflammation (IAI). METHODS: Two hundred and eighty-seven women with singleton pregnancies complicated by PPROM between 2014 and 2016 were included in this study. Maternal blood and amniotic fluid samples were collected at the time of admission...
2017: PloS One
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