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Burn keratoplasty

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https://www.readbyqxmd.com/read/29895113/-how-to-improve-the-prevention-and-treatment-of-ocular-chemical-burns-in-china-important-elements
#1
Y F Huang, L L Wang
Ocular chemical burns are common and serious ocular emergencies which require immediate and intensive evaluation and treatment. Loss of vision and disfigurement affect the victims, bringing great sufferings to themselves and their families. China is the biggest developing country in the world with a large number of such cases. The prevention of ocular chemical burns is emphasized in different aspects. After emergency treatment, proper care of chemical burns is started by control of inflammation with corticosteroids...
June 11, 2018: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/29850220/total-penetrating-keratoplasty-indications-therapeutic-approach-and-long-term-follow-up
#2
Katarzyna Krysik, Ewa Wroblewska-Czajka, Anita Lyssek-Boron, Edward A Wylegala, Dariusz Dobrowolski
Purpose: Evaluation of the indications, anatomical and functional results, and complications of total penetrating keratoplasty (TPK) in disorders involving whole cornea. Materials and Methods: We analyzed outcomes of the surgical treatment of 47 eyes of 46 patients that underwent TPK. Indications were infectious keratitis, autoimmune disease, injury of the eyeball (mainly chemical burns), and other combined disorders. The surgical technique involved dissection of affected tissues with a margin of 1...
2018: Journal of Ophthalmology
https://www.readbyqxmd.com/read/29423280/biomaterials-enabled-cornea-regeneration-in-patients-at-high-risk-for-rejection-of-donor-tissue-transplantation
#3
M Mirazul Islam, Oleksiy Buznyk, Jagadesh C Reddy, Nataliya Pasyechnikova, Emilio I Alarcon, Sally Hayes, Philip Lewis, Per Fagerholm, Chaoliang He, Stanislav Iakymenko, Wenguang Liu, Keith M Meek, Virender S Sangwan, May Griffith
The severe worldwide shortage of donor organs, and severe pathologies placing patients at high risk for rejecting conventional cornea transplantation, have left many corneal blind patients untreated. Following successful pre-clinical evaluation in mini-pigs, we tested a biomaterials-enabled pro-regeneration strategy to restore corneal integrity in an open-label observational study of six patients. Cell-free corneal implants comprising recombinant human collagen and phosphorylcholine were grafted by anterior lamellar keratoplasty into corneas of unilaterally blind patients diagnosed at high-risk for rejecting donor allografts...
2018: NPJ Regenerative Medicine
https://www.readbyqxmd.com/read/29283122/results-of-simple-limbal-epithelial-transplantation-in-unilateral-ocular-surface-burn
#4
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/29075013/fibrin-glue-as-agent-for-sealing-corneal-and-conjunctival-wound-leaks
#5
C Scalcione, D Ortiz-Vaquerizas, D G Said, H S Dua
PurposeTo describe a novel use of fibrin glue in managing leaking blebs and leaking wounds following trauma or surgery.MethodsInterventional case series.ResultsWe report eight patients, including three where intra-operative or immediate post-penetrating keratoplasty recalcitrant leaks from the graft-host junction and/or openings created by the needle pass, were noted. All three had thin recipient beds in the sector of leak. This was managed by intra-cameral injection of fibrin glue in the affected quadrant...
February 2018: Eye
https://www.readbyqxmd.com/read/28935121/treatment-of-acute-ocular-chemical-burns
#6
REVIEW
Namrata Sharma, Manpreet Kaur, Tushar Agarwal, Virender S Sangwan, Rasik B Vajpayee
Ocular chemical burns are an ophthalmic emergency and are responsible for 11.5%-22.1% of ocular injuries. Immediate copious irrigation is universally recommended in acute ocular burns to remove the offending agent and minimize damage. Conventional medical therapy consists of the use of agents that promote epithelialization, minimize inflammation, and prevent cicatricial complications. Biological fluids such as autologous serum, umbilical cord blood serum, platelet-rich plasma, and amniotic membrane suspension are a rich source of growth factors and promote healing when used as adjuncts to conventional therapy...
March 2018: Survey of Ophthalmology
https://www.readbyqxmd.com/read/28827194/midterm-outcomes-of-penetrating-keratoplasty-after-cultivated-oral-mucosal-epithelial-transplantation-in-chemical-burn
#7
Alireza Baradaran-Rafii, Siamak Delfazayebaher, Nasser Aghdami, Ehsan Taghiabadi, Shahram Bamdad, Danial Roshandel
PURPOSE: To evaluate the midterm outcomes of penetrating keratoplasty (PKP) after cultivated oral mucosal epithelial transplantation (COMET) in patients with bilateral total limbal stem cell deficiency (LSCD) due to chemical burn. METHODS: In this prospective interventional nonrandomized case series, optical PKP was performed in patients with severe stromal opacity after successful COMET. Main outcome measures were stability of the ocular surface, visual acuity improvement and corneal graft survival...
October 2017: Ocular Surface
https://www.readbyqxmd.com/read/28440250/outcomes-of-deep-anterior-lamellar-keratoplasty-following-autologous-simple-limbal-epithelial-transplant-in-pediatric-unilateral-severe-chemical-injury
#8
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/28368993/penetrating-keratoplasty-at-a-tertiary-referral-center-in-ethiopia-indications-and-outcomes
#9
Menen Ayalew, Yonas Tilahun, Doug Holsclaw, Maanasa Indaram, Nicole E Stoller, Jeremy D Keenan, Jennifer Rose-Nussbaumer
PURPOSE: To describe the indications, visual acuity outcomes, and graft survival after penetrating keratoplasty (PKP) in Addis Ababa, Ethiopia. METHODS: The medical records of patients who underwent PKP at Menelik II Hospital between September 2000 and September 2013 were retrospectively reviewed. The prespecified outcomes were graft survival, visual acuity, and complication rates. RESULTS: A total of 321 patients underwent PKP during the study period and were included in the analysis...
June 2017: Cornea
https://www.readbyqxmd.com/read/28221412/suspension-made-with-amniotic-membrane-clinical-trial
#10
P O Bonci, P A Bonci, A Lia
PURPOSE: To investigate if a suspension made with amniotic membrane could have a beneficial effect on ocular surface diseases. METHODS: In the Imola branch of the Eye Bank of Emilia Romagna, the authors prepared a suspension containing homogenized amniotic membrane previously conserved at -80 degrees Celsius. Subsequently, the authors gave this preparation to 21 patients: 8 had undergone lamellar keratoplasty, 4 had undergone penetrating keratoplasty, 2 had undergone photorefractive keratectomy with a delay of epithelialization, 3 had neurotrophic corneal ulcers, 2 had corneal burning, 1 had torpid corneal ulcer, and 1 had Sjogren syndrome...
July 2005: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28179383/cultivated-limbal-epithelial-transplantation-and-penetrating-keratoplasty-postchemical-injury-a-14-year-follow-up
#11
Ritu Shah, Charuta Puranik, Ashik Mohamed, Virender S Sangwan
An 11-year-old girl presented to our tertiary eye care centre with a 9-month-old history of lime injury in the left eye in 1999 with vision of counting fingers close to the face. She initially underwent superficial keratectomy with amniotic membrane graft in 1999. Subsequently, cultivated limbal epithelial transplantation was performed in 2001 which improved her vision to 20/400. Following development of pannus and symblepharon in the left eye, she underwent pannus resection and conjunctival limbal autograft in 2002 and, a month later, optical penetrating keratoplasty (PK) following which her vision improved to 20/125...
February 8, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/27824383/360-degree-iris-burns-following-conductive-keratoplasty
#12
Hanefi Çakir, Selim Genç, Emre Güler
PURPOSE: The authors report a case with multiple iris burns after conductive keratoplasty to correct hyperopia. METHODS: Case report. RESULTS: A 52-year-old woman with hyperopia had a previous conductive keratoplasty procedure and underwent a conductive keratoplasty re-treatment 6 months later. Postoperatively, she presented with 360-degree iris burns in both eyes that were correlated with the corneal conductive keratoplasty scars. In addition, specular microscopy revealed decreased endothelial cell density for both eyes...
November 1, 2016: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/27800229/clinical-spectrum-and-treatment-approaches-in-corneal-burns
#13
İlkay Kılıç Müftüoğlu, Yonca Aydın Akova, Altuğ Çetinkaya
OBJECTIVES: To evaluate the clinical findings, treatment modalities and long-term prognosis of chemical and thermal burns of the cornea. MATERIALS AND METHODS: Twenty-one patients (27 eyes) who were followed at two centers for corneal chemical and thermal burns between 2001 and 2013 were included. Eyes were grouped into four grades according to the severity of burn using Roper-Hall classification. Age, gender, type of burn, follow-up duration, corrected visual acuity before and after treatment, treatment modalities and complications were recorded...
October 2015: Turkish Journal of Ophthalmology
https://www.readbyqxmd.com/read/27768117/long-term-results-of-allogenic-penetrating-limbo-keratoplasty-20-years-of-experience
#14
S J Lang, D Böhringer, G Geerling, T Reinhard
AimThe objective of the study was to evaluate the long-term results of allogenic penetrating limbo-keratoplasy. This method allows simultaneous transplantation of a corneal graft and limbal stem cells of the donor by means of eccentric trephination of the donor button.MethodThe data of 192 consecutive cases of allogenic penetrating limbo-keratoplasty from 1995 to 2015 were reviewed. These had been performed exclusively in eyes with complete failure of the limbal stem cells, in combination with deep corneal scarring...
March 2017: Eye
https://www.readbyqxmd.com/read/27711953/-safety-of-hyaluronic-acid-in-postoperative-treatment-after-penetrating-keratoplasty
#15
M Pattmöller, N Szentmáry, T Eppig, D Groß, B Seitz
BACKGROUND: The objective of this clinical trial was to confirm the safety of phosphate-free high molecular weight hyaluronate (HYLO®-GEL) as lubricant for postoperative care after penetrating keratoplasty. PATIENTS AND METHODS: 51 eyes were followed up 6 weeks after penetrating keratoplasty under therapy with phosphate-free high molecular weight hyaluronate. Visual acuity, intraocular pressure, conjunctival hyperaemia, conjunctival chemosis, corneal fluorescein staining, corneal infiltrates, corneal endothelial-epithelial decompensation, Descemet's folds, Tyndall effect, cells in the anterior chamber and subjective assessment of lacrimation, foreign body sensation, pressure sensation, burning, mucus and itching were recorded on the first, third and fifth postoperative days and six weeks postoperatively...
January 2018: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/27440993/in-vivo-confocal-microscopy-of-the-sclerocorneal-limbus-after-limbal-stem-cell-transplantation-looking-for-limbal-architecture-modifications-and-cytological-phenotype-correlations
#16
Leonardo Mastropasqua, Roberta Calienno, Manuela Lanzini, Mario Nubile, Rossella Annamaria Colabelli-Gisoldi, Luca De Carlo, Augusto Pocobelli
PURPOSE: To correlate a biomicroscopic evaluation, an in vivo confocal microscopy examination, and impression cytologic findings of the corneal center and sclerocorneal limbus after cultured limbal stem cell transplantation and to test the effectiveness of in vivo confocal microscopy as a diagnostic procedure in ocular surface cell therapy reconstructive surgery. METHODS: Six eyes of six patients affected by limbal stem cell deficiency after chemical burns underwent ex vivo expanded limbal stem cell transplantation (two eyes) and ex vivo expanded limbal stem cell transplantation with subsequent penetrating keratoplasty (four eyes) to restore corneal transparency...
2016: Molecular Vision
https://www.readbyqxmd.com/read/27385258/-e-ptfe-membrane-for-the-management-of-perforated-corneal-ulcer
#17
D Pahor, A Pahor
Purpose: To present the surgical management of perforated corneal ulcer using PRECLUDE® Pericardial Membrane, composed of expanded polytetrafluoroethylene (e-PTFE; GORE-TEX®), as an alternative surgical procedure in patients at high risk of graft rejections and to evaluate side effects for a prolonged period. Patients and Methods: The study included all patients who were admitted to our department and underwent surgical repair of perforated corneal ulcer with the e-PTFE membrane between 2010 and 2015. In total, 8 patients (8 eyes) were enrolled...
October 2016: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/27362882/existence-of-normal-limbal-epithelium-in-eyes-with-clinical-signs-of-total-limbal-stem-cell-deficiency
#18
Eric Chan, Qihua Le, Andres Codriansky, Jiaxu Hong, Jianjian Xu, Sophie X Deng
PURPOSE: To report the presence of normal limbal epithelium detected by in vivo confocal laser scanning microscopy (IVCM) in 3 cases of clinically diagnosed total limbal stem cell deficiency (LSCD). METHODS: This is a retrospective case report consisting of 3 patients who were diagnosed with total LSCD based on clinical examination and/or impression cytology. Clinical data including ocular history, presentation, slit-lamp examination, IVCM, and impression cytology were reviewed...
November 2016: Cornea
https://www.readbyqxmd.com/read/27162716/observation-on-ultrastructure-and-histopathology-of-cornea-following-femtosecond-laser-assisted-deep-lamellar-keratoplasty-for-acute-corneal-alkaline-burns
#19
Wen-Jing Li, Yu-Kun Hu, Hui Song, Xiao-Wei Gao, Xu-Dong Zhao, Jing Dong, Yun-Lin Guo, Yan Cai
AIM: To demonstrate the changes in ultrastructure and histopathology of the cornea in acute corneal alkaline burns after femtosecond laser-assisted deep lamellar keratoplasty. METHODS: The New Zealand white rabbits treated with alkaline corneal burn were randomized into two groups, Group A (16 eyes) with femtosecond laser-assisted deep lamellar keratoplasty 24h after burn and Group B (16 eyes) without keratoplasty as controls. All eyes were evaluated with transmission electron microscopy (TEM) at 1, 2, 3, and 4wk follow-up, then all corneas were tested by hematoxylin and eosin staining histology...
2016: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/27126407/boston-keratoprosthesis-outcomes-in-severe-ocular-chemical-burns-in-southern-china-a-retrospective-study
#20
Jianjun Gu, Jiajie Zhai, Sheng Zhou, Jiaqi Chen
INTRODUCTION: The objective of this study was to report clinical outcomes (functional and anatomic) of Boston keratoprosthesis (KPro) after severe chemical burns in Southern China. METHODS: Nineteen patients (19 eyes) that sustained severe chemical injuries in Southern China were enrolled in this retrospective study in our hospital between May 2009 and June 2015. KPro implantation in these patients was performed by a single experienced surgeon (Jiaqi Chen). The parameters evaluated in this study included diagnosis, comorbidity, preoperative and postoperative visual acuity (VA), complications, KPro retention, histological and immunohistochemical results of retroprosthetic membrane (RPM) and mucous membrane over the optic cylinder...
May 2016: Advances in Therapy
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