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https://www.readbyqxmd.com/read/29800578/simple-limbal-epithelial-transplantation-slet-a-review-on-current-approach-and-future-directions
#1
Davide Borroni, Bogumil Wowra, Vito Romano, Maria Boyadzhieva, Diego Ponzin, Stefano Ferrari, Sajjad Ahmad, Mohit Parekh
Simple limbal epithelial transplant (SLET) is a recently developed technique for treating limbal stem cell deficiency (LSCD) caused by ocular burns. A small limbal biopsy from the donor eye, usually from the patient's healthy eye, is excised and dissected into multiple pieces. An amniotic membrane is patched using fibrin glue on the diseased eye after removing the conjunctivalized pannus from the corneal surface. The limbal biopsy pieces are placed onto the amniotic membrane, fixed with fibrin glue followed by bandaging of the ocular surface with a contact lens...
May 22, 2018: Survey of Ophthalmology
https://www.readbyqxmd.com/read/29707346/a-comparison-between-two-lung-ventilation-with-co-2-artificial-pneumothorax-and-one-lung-ventilation-during-thoracic-phase-of-minimally-invasive-esophagectomy
#2
Miao Lin, Yaxing Shen, Hao Wang, Yong Fang, Cheng Qian, Songtao Xu, Di Ge, Mingxiang Feng, Lijie Tan, Qun Wang
Background: To investigate the feasibility and safety of two lung ventilation with artificial pneumothorax in minimally invasive esophagectomy (MIE) through a comparison with conventional one lung ventilation. Methods: Eleven hundred and sixty-six patients with esophageal cancer, who underwent McKeown MIE in our center from February 2006 to December 2016, were studied retrospectively. Seven hundred and five patients who underwent one lung ventilation with double lumen endotracheal tube (DLET) were assigned to DLET group...
March 2018: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29453224/simple-limbal-epithelial-transplantation-slet-in-failed-cultivated-limbal-epithelial-transplantation-clet-for-unilateral-chronic-ocular-burns
#3
Sayan Basu, Sashwanthi Mohan, Swapnil Bhalekar, Vivek Singh, Virender Sangwan
AIMS: Cultivated limbal epithelial transplantation (CLET) fails in around 20%-30% of cases. This study aimed to report the clinical outcomes of autologous simple limbal epithelial transplantation (SLET) in eyes with recurrent unilateral limbal stem cell deficiency (LSCD) due to failure of CLET. METHODS: This was a prospective case series which included 30 eyes of 30 patients who underwent SLET between 2010 and 2016 after failure of one (n=24) or two (n=6) previous CLET procedures for chronic unilateral ocular burns...
February 16, 2018: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/29319179/muscle-derived-satellite-cells-for-treating-type-1-diabetes-in-rats-rattus-norvegicus
#4
Yu Ren, Hefei Wang, Si Ha, Xingsheng Zhao, Xiao Wang, Yu Lan, Xiaoling Liu
Diabetes mellitus(DM) is a complicated metabolic disease, with the fundamental treatment nowadays being diet control, insulin injections, slet or pancreas transplantation, which is limited because exogenous insulin injections fail to simulate normal insulin secretion in islet beta cells successfully and islet transplantation lacks organ donors. So far, stem cells with highly self-renewal and multi-directional differentiation potential have become a new hope for the treatment of diabetes. In this research, rat Muscle-derived satellite cells *MDSCs*were separated and cultivated in vitro and inducted into insulin-producing cells with observation and identification using dithizone staining and so on...
January 10, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29283122/results-of-simple-limbal-epithelial-transplantation-in-unilateral-ocular-surface-burn
#5
Nidhi Gupta, Jagdish Joshi, Javed Hussain Farooqui, Umang Mathur
PURPOSE: This study aimed to report the long-term outcomes of autologous Simple Limbal Epithelial Transplantation (SLET) performed for unilateral limbal stem cell deficiency (LSCD) following chemical burn at a tertiary eye center in North India. METHODS: This was a single-center prospective interventional case series of patients who developed unilateral LSCD after suffering from ocular surface burns and who underwent SLET between October 2012 and May 2016 with a follow-up period of at least 6 months...
January 2018: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29172876/limbal-stem-cell-transplantation-and-complications
#6
REVIEW
Jia Yin, Ula Jurkunas
Corneal epithelial stem cells are adult somatic stem cells located at the limbus and represent the ultimate source of transparent corneal epithelium. When these limbal stem cells become dysfunctional or deficient, limbal stem cell deficiency (LSCD) develops. LSCD is a major cause of corneal scarring and is particularly prevalent in chemical and thermal burns of the ocular surface. LSCD leads to conjunctivalization of the corneal surface, neovascularization, recurrent or persistent epithelial defects, ocular surface inflammation, and scarring that, in turn, lead to decreased vision, pain, and impaired quality of life...
2018: Seminars in Ophthalmology
https://www.readbyqxmd.com/read/29073170/strain-histograms-are-equal-to-strain-ratios-in-predicting-malignancy-in-breast-tumours
#7
Jonathan Frederik Carlsen, Caroline Ewertsen, Susanne Sletting, Maj-Lis Talman, Ilse Vejborg, Michael Bachmann Nielsen
OBJECTIVES: To assess whether strain histograms are equal to strain ratios in predicting breast tumour malignancy and to see if either could be used to upgrade Breast Imaging Reporting and Data System (BI-RADS) 3 tumours for immediate biopsy. METHODS: Ninety-nine breast tumours were examined using B-mode BI-RADS scorings and strain elastography. Strain histograms and ratios were assessed, and areas- under-the-receiver-operating-characteristic-curve (AUROC) for each method calculated...
2017: PloS One
https://www.readbyqxmd.com/read/28957444/optimizing-the-role-of-limbal-explant-size-and-source-in-determining-the-outcomes-of-limbal-transplantation-an-in-vitro-study
#8
Abhinav Reddy Kethiri, Sayan Basu, Sachin Shukla, Virender Singh Sangwan, Vivek Singh
PURPOSE: Simple limbal epithelial transplantation (SLET) and cultivated limbal epithelial transplantation (CLET) are proven clinical techniques for treating limbal stem cell deficiency (LSCD). However, the ideal size and number of the limbal explants required for transplantation has not been clearly elucidated. This in vitro study aimed to determine the optimal limbal explant size required for complete corneal epithelialization by characterizing the cell expansion. METHODS: Limbal explants obtained from both live and cadaveric biopsies were cultured on the denuded amniotic membrane...
2017: PloS One
https://www.readbyqxmd.com/read/28700252/modified-allogenic-simple-limbal-epithelial-transplantation-followed-by-keratoplasty-as-treatment-for-total-limbal-stem-cell-deficiency
#9
Alfonso Vasquez-Perez, Mayank A Nanavaty
PURPOSE: To describe a modified allogenic simple limbal epithelial transplant (SLET) technique with large donor tissue explants followed by keratoplasty. METHODS: A 69-year-old with conjunctival melanoma on her left eye developed total limbal stem cell deficiency (LSCD) after multiple cycles of topical mitomycin. She also had herpes stromal keratitis while on treatment with mitomycin. She underwent modified allogenic SLET with large donor limbal tissue explants glued on the cornea directly and the amniotic membrane placed over the limbal explants...
July 12, 2017: Ocular Immunology and Inflammation
https://www.readbyqxmd.com/read/28616293/video-assisted-thoracoscopic-completion-thymectomy-based-on-mediastinal-pleura-guidance
#10
Kai Guo, Liping Tong, Xiaofei Li, Xiaolong Yan
We describe a practical video-assisted thoracoscopic surgery (VATS) technique for the en bloc resection of the thymoma, thymus, and bilateral mediastinum lipid based on mediastinal pleura guidance. By taking advantage of single-lumen endotracheal tube (SLET) anesthesia and artificial pneumothorax, we acquired excellent exposure of the anterior mediastinum operative field. In addition, our limited data showed that this surgical approach might have a potential tendency on reducing the blood loss and the operative times...
May 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28440250/outcomes-of-deep-anterior-lamellar-keratoplasty-following-autologous-simple-limbal-epithelial-transplant-in-pediatric-unilateral-severe-chemical-injury
#11
Divya Singh, M Vanathi, Chanchal Gupta, Noopur Gupta, Radhika Tandon
AIMS: To evaluate outcomes of deep anterior lamellar keratoplasty (DALK) in pediatric eyes with unilateral severe chemical injury which have undergone autologous simple limbal epithelial transplant (SLET). SETTINGS AND DESIGN: The study design was a retrospective case series. MATERIALS AND METHODS: This retrospective, case series of all children <16 years of age that have undergone DALK following autologous SLET procedure in unilateral severe chemical injury evaluates the outcomes and complications in the setting of a tertiary care center in North India...
March 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28406800/simple-limbal-epithelial-transplantation
#12
REVIEW
Virender S Sangwan, John A H Sharp
PURPOSE OF REVIEW: Simple limbal epithelial transplant (SLET) is a technique for addressing limbal stem cell deficiency. Limbal tissue from a donor eye, typically the patient's fellow healthy eye, is transplanted onto an amniotic membrane attached to the surface of the diseased eye. SLET was developed to address limitations of other techniques, specifically the technical difficulty of ex-vivo expansion of cells required in some techniques and the larger amount of valuable limbal tissue harvested in techniques not relying on ex-vivo expansion...
July 2017: Current Opinion in Ophthalmology
https://www.readbyqxmd.com/read/28300738/preliminary-results-from-the-comparison-of-simple-limbal-epithelial-transplantation-with-conjunctival-limbal-autologous-transplantation-in-severe-unilateral-chronic-ocular-burns
#13
Ritu Arora, Pallavi Dokania, Aditi Manudhane, Jawahar Lal Goyal
PURPOSE: To compare the safety, efficacy, and clinical outcomes of simple limbal epithelial transplantation (SLET) with conjunctival-limbal autologous transplantation (CLAU) in severe unilateral ocular chemical burns. MATERIALS AND METHODS: Twenty patients of unilateral chronic ocular burns with more than 270° limbal stem cell deficiency and a healthy fellow eye were divided into two groups - ten patients of Group A underwent SLET while ten patients of Group B were operated for CLAU...
January 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/27895403/first-line-endoscopic-treatment-with-over-the-scope-clips-significantly-improves-the-primary-failure-and-rebleeding-rates-in-high-risk-gastrointestinal-bleeding-a-single-center-experience-with-100-cases
#14
Hans-Jürgen Richter-Schrag, Torben Glatz, Christine Walker, Andreas Fischer, Robert Thimme
AIM: To evaluate rebleeding, primary failure (PF) and mortality of patients in whom over-the-scope clips (OTSCs) were used as first-line and second-line endoscopic treatment (FLET, SLET) of upper and lower gastrointestinal bleeding (UGIB, LGIB). METHODS: A retrospective analysis of a prospectively collected database identified all patients with UGIB and LGIB in a tertiary endoscopic referral center of the University of Freiburg, Germany, from 04-2012 to 05-2016 ( n = 93) who underwent FLET and SLET with OTSCs...
November 7, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27832940/concomitant-simple-limbal-epithelial-transplantation-after-surgical-excision-of-ocular-surface-squamous-neoplasia
#15
COMPARATIVE STUDY
Swathi Kaliki, Faraz Ali Mohammad, Prerana Tahiliani, Virender S Sangwan
PURPOSE: To compare the surgical outcomes of ocular surface squamous neoplasia (OSSN) following wide excisional biopsy with and without primary simple limbal epithelial transplantation (p-SLET). DESIGN: Nonrandomized clinical study with historical controls. METHODS: setting: Single-institutional study. PATIENTS: Eight patients who underwent wide excisional biopsy of OSSN without p-SLET (historical controls) and 7 patients with p-SLET (cases)...
February 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/27504323/simple-limbal-epithelial-transplantation-in-acid-injury-and-severe-dry-eye
#16
Sudesh Kumar Arya, Anubha Bhatti, Amit Raj, Ravi Kant Bamotra
The epithelial cells of cornea constantly undergo renewal and regeneration and the stem cells responsible for renewal resides within basal epithelium at the limbus in palisades of Vogt. Simple limbal epithelial transplantation (SLET) is a simplified technique for limbal stem cell deficiency and it combines the benefits of both conjunctival limbal autografting and cultivated limbal epithelial transplantation by being single-stage and utilizing minimal donor tissue. We will be discussing two cases of ocular surface disorder which were managed successfully by new technique simple limbal epithelial transplantation...
June 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27442321/primary-simple-limbal-epithelial-transplantation-along-with-excisional-biopsy-in-the-management-of-extensive-ocular-surface-squamous-neoplasia
#17
Vikas Mittal, Purvasha Narang, Vikas Menon, Ruchi Mittal, Santosh Honavar
PURPOSE: To describe the utility of simple limbal epithelial transplantation (SLET) along with tumor excision in the management of extensive ocular surface squamous neoplasia (OSSN) to avoid limbal stem cell deficiency (LSCD). METHODS: This case report describes the management of a 75-year-old man clinically diagnosed with OSSN involving more than 3 quadrants of limbus. The excisional biopsy of tumor along with 4-mm healthy margin led to a complete loss of the limbus, which was restored by limbal epithelial cell transplantation using the SLET technique in the same setting...
December 2016: Cornea
https://www.readbyqxmd.com/read/27224077/assessment-of-surgical-outcomes-of-limbal-transplantation-using-simple-limbal-epithelial-transplantation-technique-in-patients-with-total-unilateral-limbal-deficiency
#18
Ana Gabriela Queiroz, Martina Maria Oiticica Barbosa, Myrna Serapião Santos, Telma Pereira Barreiro, José Álvaro Pereira Gomes
This study aimed to evaluate the effectiveness of the novel simple limbal epithelial transplantation (SLET) technique, which reduces the risk of iatrogenic limbal stem cell deficiency in the donor eye. Four patients with total unilateral limbal stem cell deficiency received a limbal graft, measuring 4 mm × 2 mm, from the contralateral healthy eye in a single surgical procedure. The graft was divided into 10-20 pieces and distributed on the corneal surface. At 6-month follow-up, a completely avascular corneal epithelial surface was obtained in two patients, and there was improvement in visual acuity in one patient...
April 2016: Arquivos Brasileiros de Oftalmologia
https://www.readbyqxmd.com/read/26845613/burden-of-disease-of-dietary-exposure-to-acrylamide-in-denmark
#19
Lea Sletting Jakobsen, Kit Granby, Vibeke Kildegaard Knudsen, Maarten Nauta, Sara Monteiro Pires, Morten Poulsen
Acrylamide (AA) is a process-contaminant that potentially increases the risk of developing cancer in humans. AA is formed during heat treatment of starchy foods and detected in a wide range of commonly consumed products. Increased focus on risk ranking and prioritization of major causes of disease makes it relevant to estimate the impact that exposure to chemical contaminants and other hazards in food have on health. In this study, we estimated the burden of disease (BoD) caused by dietary exposure to AA, using disability adjusted life years (DALY) as health metric...
April 2016: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/26817481/autologous-simple-limbal-epithelial-transplantation-for-unilateral-limbal-stem-cell-deficiency-multicentre-results
#20
MULTICENTER STUDY
Jayesh Vazirani, Mohammed Hasnat Ali, Namrata Sharma, Nidhi Gupta, Vikas Mittal, Marwan Atallah, Guillermo Amescua, Tuhin Chowdhury, Alexandra Abdala-Figuerola, Arturo Ramirez-Miranda, Alejandro Navas, Enrique O Graue-Hernández, James Chodosh
PURPOSE: To report outcomes of autologous simple limbal epithelial transplantation (SLET) performed for unilateral limbal stem cell deficiency (LSCD) at multiple centres worldwide. METHODS: In this retrospective, multicentre, interventional case series, records of patients who had undergone autologous SLET for unilateral LSCD, with a minimum of 6 months of follow-up, were reviewed. The primary outcome measure was clinical success, defined as a completely epithelised, avascular corneal surface...
October 2016: British Journal of Ophthalmology
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