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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
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
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
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
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
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
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
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
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
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
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
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
Vikas Mittal, Rajat Jain, Ruchi Mittal, Urvish Vashist, Purvasha Narang
AIM: To study the outcomes of simple limbal epithelial transplantation (SLET) for unilateral total limbal stem cell deficiency (LSCD) secondary to severe ocular surface burns in children. METHODS: Retrospective interventional case series was performed at a private referral tertiary care centre. Children less than 15 years of age who underwent autologous SLET for total LSCD and had a minimum follow-up of 6 months were included in the study. Demographic and clinical data were recorded in a predesigned form...
August 2016: British Journal of Ophthalmology
Dhanyasree Nair, Ashik Mohamed, Virender S Sangwan
A 19-year-old woman presented to us after being diagnosed elsewhere with right eye total limbal stem cell deficiency resulting from a lime burn. She was advised to undergo limbal stem cell transplantation, but failed to immediately do so. Two years later, she underwent cultivated limbal epithelial transplantation (CLET). As she had severe loss of vision with persisting conjunctival nodule and symblepharon 2 years following surgery, an impression of failed CLET was formed. Subsequently, simple limbal epithelial transplantation (SLET) was performed...
2015: BMJ Case Reports
Motoi Inoue, Masato Nakasuji, Aki Kawasaki, Miwako Nagai, Taeko Miyata, Norie Imanaka, Masuji Tanaka
A 67-year-old woman underwent prone thoracoscopic esophagectomy with carbon dioxide (CO2) insufflation. After insertion of an epidural catheter, general anesthesia was induced with propofol, sevoflurane, remifentanil and rocuronium. The trachea was intubated with a single lumen endotracheal tube (SLET). CO2 insufflation at 5 mmHg with the SLET deflated the right lung and provided excellent visualization without respiratory instability. The left side pleura was injured during the inferior mediastinal lymphadenectomy and the patient went into sudden profound hypoventilation with an increase in end-tidal CO2 from 43 to 64 mmHg...
August 2015: Masui. the Japanese Journal of Anesthesiology
J Carlsen, C Ewertsen, S Sletting, I Vejborg, F K W Schäfer, D Cosgrove, M Bachmann Nielsen
Ultrasound elastography is an established method for characterization of focal lesions in the breast. Different techniques and analyses of the images may be used for the characterization. This article addresses the use of ultrasound elastography in breast cancer diagnosis. In the first part of the article the techniques behind both strain- and shear-wave-elastography are explained and followed by a section on how to obtain adequate elastography images and measurements. In the second part of the article the application of elastography as an adjunct to B-mode ultrasound in clinical practice is described, and the potential diagnostic gains and limitations of elastography are discussed...
December 2015: Ultraschall in der Medizin
Vikas Mittal, Rajat Jain, Ruchi Mittal
PURPOSE: To study the in vivo pattern of ocular surface epithelialization after simple limbal epithelial transplantation (SLET). METHODS: A retrospective interventional case series was performed at a cornea and anterior segment services of a referral tertiary care center between June 2012 and March 2015. Patients with unilateral limbal stem cell deficiency who underwent SLET and whose medical records had serial and detailed photographic documentation of ocular surface healing were reviewed...
October 2015: Cornea
Shilpa Das, Sayan Basu, Virender Sangwan
One day after molten aluminium had fallen into his right eye, a young man presented to our clinic with a vision of counting fingers at 1 m, conjunctival and corneal epithelial defects, and limbal involvement. He was diagnosed with grade 4 thermal burn and managed medically. Subsequently, the inflammation resolved, however, he developed pannus with conjunctivalisation and scarring of cornea suggestive of partial unilateral limbal stem cell deficiency. He was treated surgically with autologous simple limbal epithelial transplantation (SLET)...
July 6, 2015: BMJ Case Reports
Erick Hernández-Bogantes, Guillermo Amescua, Alejandro Navas, Yonathan Garfias, Arturo Ramirez-Miranda, Alejandro Lichtinger, Enrique O Graue-Hernández
We describe a novel surgical technique for pterygium removal taking advantage of the properties of amniotic membrane and limbal epithelial stem cells. A total of 10 eyes underwent pterygium excision with amniotic membrane coverage of the bare sclera and placement of pieces of limbal epithelium in a linear fashion in the affected limbal area covered by a second amniotic membrane using fibrin glue. After up to 8 months of follow-up, there were no signs of early recurrence or sight-threatening complications...
December 2015: British Journal of Ophthalmology
Jayesh Vazirani, Ikeda Lal, Virender Sangwan
A 4-year-old boy developed unilateral, total limbal stem cell deficiency (LSCD) following an acid injury. A stable ocular surface was achieved with autologous simple limbal epithelial transplantation (SLET), performed 4 months after the injury. Focal areas of conjunctivalisation were noted in the postoperative period. These were addressed using a novel modification of SLET. A very small piece of limbus from the healthy eye was split into multiple pieces, and applied to the bare corneal stroma with fibrin glue after pannus resection...
June 16, 2015: BMJ Case Reports
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