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Kenneth Downes, Khoa D Tran, Christopher G Stoeger, Winston Chamberlain
PURPOSE: Evaluation of cumulative Descemet membrane endothelial keratoplasty endothelial cell loss (ECL) from preparation through injection using 2 different glass injectors. METHODS: Eighteen Descemet membrane endothelial keratoplasty grafts with "S" stamps were prepared by eye bank technicians. Nine grafts were assigned to injection with a modified glass Jones tube injector with a 2.4-mm opening and 9 were assigned to injection with the DORC glass pipette injector (<1...
March 20, 2018: Cornea
Raquel Esteves Marques, Paulo Silva Guerra, David Cordeiro Sousa, Nuno Pinto Ferreira, Ana Inês Gonçalves, Ana Miguel Quintas, Walter Rodrigues
PURPOSE: To compare intracameral 20% sulfur hexafluoride (SF6) versus 100% air as tamponade for graft attachment in Descemet membrane endothelial keratoplasty (DMEK). METHODS: Using an electronic database search on MEDLINE and CENTRAL from inception to December 2017, we performed a literature review and meta-analysis including all comparative studies of SF6 at a 20% concentration (20% SF6) versus pure air (100% air) for anterior chamber tamponade in DMEK. The primary outcome was the rebubbling rate at the final observation...
March 20, 2018: Cornea
Chang Ho Yoon, Daeseung Lee, Hyun Jeong Jeong, Jin Suk Ryu, Mee Kum Kim
PURPOSE: Interleukin (IL)-22 is a cytokine involved in epithelial cell regeneration. Currently, no research studies have analyzed the distribution of the three distinct IL-22-secreting cell populations in human or mouse conjunctiva. This study investigated the distribution of the three main populations of IL-22-secreting immune cells, αβ Th cells, γδ T cells, or innate cells (innate lymphoid cells [ILCs] or natural killer cells), in conjunctival associated lymphoid tissues (CALTs) in human and mouse models...
March 19, 2018: Korean Journal of Ophthalmology: KJO
Rénuka S Birbal, Shugi Hsien, Vasiliki Zygoura, Jack S Parker, Lisanne Ham, Korine van Dijk, Isabel Dapena, Lamis Baydoun, Gerrit R J Melles
PURPOSE: To report the mid-term outcomes of hemi-Descemet membrane endothelial keratoplasty (hemi-DMEK) performed for Fuchs endothelial corneal dystrophy (FECD). METHODS: In this prospective, interventional case series, we evaluated clinical outcomes of 10 eyes from 10 patients who underwent hemi-DMEK for FECD. Main outcome measures were best-corrected visual acuity (BCVA), endothelial cell density (ECD), central pachymetry, and postoperative complications. RESULTS: At 1 year postoperatively, 7/7 eyes (excluding 2 eyes with low visual potential) reached a BCVA of ≥20/40 (≥0...
March 19, 2018: Cornea
J C Serna-Ojeda, L Pedro-Aguilar, C Rodriguez-Quintanilla, H Mejía-López, D G Ponce-Angulo, A Navas, V M Bautista-de Lucio, E O Graue-Hernandez
PURPOSE: The aim of this paper is to present the case report of a patient developing endophthalmitis after penetrating keratoplasty caused by a multidrug-resistant Pseudomonas aeruginosa, detected only in the contralateral donor tissue. CASE REPORT: A 77-year-old man underwent an uneventful penetrating keratoplasty with a preoperative culture-negative donor cornea; however, the fellow cornea grew multidrug-resistant Pseudomonas aeruginosa. The patient developed and was treated for endophthalmitis after penetrating keratoplasty, and aqueous and vitreous taps grew P...
March 16, 2018: Transplantation Proceedings
Mustafa Erdoğan Cicik, Cezmi Doğan, Osman Şevki Arslan
BACKGROUND: Development of endophthalmitis during cataract surgery is one of the most severe complications and it may also result in blindness and globe loss. AIMS: To evaluate the effect of an ophthalmic cefuroxime solution (Aprokam® ) that is prophylactically used in phacoemulsification surgery performed due to cataract that eventually occurs in patients with or without penetrating keratoplasty. STUDY DESIGN: Case-control study. METHODS: In this retrospective study, patients who had undergone penetrating keratoplasty and for whom phacoemulsification surgery was performed due to cataract and an intracameral ophthalmic cefuroxime solution (Aprokam® ) was administered for prophylaxis were evaluated in comparison with patients with cataract without keratoplasty...
March 15, 2018: Balkan Medical Journal
Hegde Sharat Shivaramaiah, Nidhi Relhan, Avinash Pathengay, Nitin Mohan, Harry W Flynn
Purpose: To report the clinical settings, causative organisms, antimicrobial susceptibilities, and treatment outcomes of patients with endophthalmitis caused by gram-positive bacteria resistant to vancomycin. Methods: Retrospective case series of all patients with culture-proven endophthalmitis caused by gram-positive bacteria resistant to vancomycin between January 2010 and December 2016 in LV Prasad Eye Institute, Visakhapatnam, India. Results: The current study included 14 patients...
June 2018: American Journal of Ophthalmology Case Reports
Bhavana Sharma, Aditi Dubey, Gaurav Prakash, Rasik B Vajpayee
Surgical management of keratoconus (KC) has undergone a paradigm shift in the last two decades and component corneal transplantation technique of deep anterior lamellar keratoplasty has established itself as a modality of choice for management of advanced cases of KC. Every now and then, new minimalist modalities are being innovated for the management of KC. On the same lines, a new technique, Bowman's layer transplantation, for surgical management of moderate to advanced KC has been reported in recent years...
2018: Clinical Ophthalmology
Dubbaka Srujana, Manpreet Kaur, Jayanand Urkude, Anubha Rathi, Namrata Sharma, Jeewan S Titiyal
PURPOSE: To evaluate the functional and anatomical outcomes of repeat penetrating keratoplasty (PK) in optically failed therapeutic grafts. DESIGN: Prospective interventional case series METHODS: All cases admitted at the apex tertiary care centre for repeat keratoplasty following optically failed therapeutic PK were enrolled over a period of one year. Repeat optical PK was performed in all eyes. Primary outcome measures were postoperative graft clarity and visual acuity...
March 14, 2018: American Journal of Ophthalmology
Lamis Baydoun, Fook Chang Lam, Sontje Schaal, Shugi Hsien, Silke Oellerich, Korine van Dijk, Gerrit R J Melles
PURPOSE: To assess aqueous flare as a measure of subclinical inflammation after Descemet membrane endothelial keratoplasty (DMEK) for Fuchs endothelial dystrophy. METHODS: In this prospective cross-sectional and longitudinal case series at a tertiary referral center, 173 DMEK eyes of 169 patients and 19 age-matched healthy control eyes were included. Aqueous flare [photon count per millisecond (ph/ms)] was assessed by laser flare photometry at 1 day, 1 week, and 1 month after DMEK in group I (evaluation of postsurgical blood-aqueous barrier recovery; n = 25) and on average 28 (±19) months (range, 3-86 months) after DMEK in group II (evaluation of long-term inflammation; n = 148)...
March 15, 2018: Cornea
Bhupesh Bagga, Savitri Sharma, Sai Jeevan Madhuri Guda, Ritu Nagpal, Joveeta Joseph, Kodiganti Manjulatha, Ashik Mohamed, Prashant Garg
BACKGROUND: Pythium insidiosum is a parafungus that causes keratitis resembling fungal keratitis. This study compares outcome in a large cohort of patients with P insidiosum keratitis treated with antifungal drugs, to a pilot group treated with antibacterial antibiotics. METHODS: Between January 2014 and December 2016, 114 patients with culture positive P insidiosum keratitis were included in the study. A subset of culture isolates was tested in vitro for response to nine antibacterial antibiotics by disc diffusion and E test...
March 15, 2018: British Journal of Ophthalmology
Giuseppe Giannaccare, Jayne S Weiss, Laura Sapigni, Cristina Bovone, Leila Mattioli, Emilio C Campos, Massimo Busin
PURPOSE: To evaluate the rate and outcomes of immunologic stromal rejection occurring after large deep anterior lamellar keratoplasty (DALK) and the effect of the underlying disease on the cumulative probability of rejection. METHODS: This was a retrospective chart review of all eyes that underwent a 9-mm DALK at Ospedali Privati Forlì (Forlì, Italy). On the basis of preoperative diagnosis, eyes were assigned to group 1: keratoconus, group 2: stromal disease with a low risk for rejection, or group 3: stromal disease with a high risk for rejection...
March 14, 2018: Cornea
Evg A Kasparova, O I Sobkova, E A Kasparova, A A Kasparov
OBJECTIVE: The study objective was to develop a method for surgical treatment of advanced purulent corneal ulcer in the setting of neuroparalytic keratitis developed after acoustic neuroma removal and strokes. MATERIAL AND METHODS: The study included 12 patients (13 eyes). All patients underwent single-step keratoplasty, conjunctival autografting, and partial permanent tarsorrhaphy. RESULTS: The eye as an organ was spared in 100% of cases; vision was spared in 50% of cases and improved, from 0...
2018: Zhurnal Voprosy Neĭrokhirurgii Imeni N. N. Burdenko
N P Pashtaev, N A Pozdeeva, V V Zotov, M V Sinitsyn, M A Shcheglova
AIM: to conduct a comparative experimental study of the effect of the use of intracorneal implants during femtosecond laser-assisted intrastromal pocket (IP) and intrastromal tunnel (IT) formation on the strength properties of the cornea. MATERIAL AND METHODS: The experimental study was performed on 24 corneas of 12 rabbit eyes enucleated 1 month after slaughtering. All eyes were divided into 6 groups according to the method of operation. IP and IT were created with IntraLase FS 60 kHz femtolaser...
2018: Vestnik Oftalmologii
Dilek D Altınörs, Leyla Asena
OBJECTIVES: We aimed to report the clinical outcomes of Descemet membrane endothelial keratoplasty in our first year of experience. MATERIALS AND METHODS: Patients who underwent Descemet membrane endothelial keratoplasty at the Baskent University Faculty of Medicine, Department of Ophthalmology, between 2015 and 2016 were included in the study. Patient demographics, cause of endothelial dysfunction, best-corrected visual acuity, central corneal thickness, graft survival, follow-up duration, and intraoperative and postoperative complications were recorded...
March 2018: Experimental and Clinical Transplantation
Jonathan W Crews, Marianne O Price, Jeferson Lautert, Matthew T Feng, Francis W Price
PURPOSE: To identify whether intraoperative hyphema from the peripheral iridotomy during Descemet membrane endothelial keratoplasty (DMEK) is associated with anticoagulant or antiplatelet use, age, combined phacoemulsification, or adverse outcomes. SETTING: Price Vision Group, Indianapolis, Indiana, USA. DESIGN: Retrospective case series. METHODS: Data were obtained from consecutive DMEK cases with an intraoperative iridotomy from July 2015 through July 2016...
March 7, 2018: Journal of Cataract and Refractive Surgery
Takahiko Hayashi
No abstract text is available yet for this article.
March 6, 2018: Cornea
Nir Sorkin, Mahmood Showail, Adi Einan-Lifshitz, Tanguy Boutin, Armand Borovik, Mohammad Kreimei, Amir Rosenblatt, Clara C Chan, David S Rootman
PURPOSE: To analyze the outcomes of Descemet membrane endothelial keratoplasty (DMEK) in eyes with previous Descemet stripping automated endothelial keratoplasty (DSAEK). METHODS: This retrospective interventional case series included 26 eyes (26 patients) that underwent DMEK to replace a previous DSAEK graft with at least 6 months of follow-up. The outcome measures were indications for surgery, best spectacle-corrected visual acuity (BSCVA), endothelial cell density, rebubbling rate, rejection, and failure...
March 6, 2018: Cornea
Mohit Parekh, Davide Borroni, Alessandro Ruzza, Hannah J Levis, Stefano Ferrari, Diego Ponzin, Vito Romano
PURPOSE: To compare different Descemet membrane endothelial keratoplasty (DMEK) graft preparation methods. METHODS: Stripping from the trabecular meshwork (M1) using epithelial spatula; stripping by scoring the peripheral endothelium (M2) using Sinskey hook; stripping by punch method (M3) using donor trephine; Submerged hydro-separation (M4); and pneumatic dissection method (M5) were evaluated. Preparation time, costs, endothelial cell loss (ECL) postpreparation, cell death and morphology were compared...
March 9, 2018: Acta Ophthalmologica
Awy Chua, M J Chua, Pca Kam
Significant surgical advances have been made recently in corneal transplantation. Penetrating keratoplasty was the dominant method from 1905, until selective lamellar keratoplasty emerged as the preferred technique over the last 20 years. Advanced techniques such as corneal limbal stem cell transplant and keratoprosthesis are also available. The major surgical complications of corneal transplantation are extrusion of ocular content and expulsive choroidal haemorrhage. It is essential for an ophthalmic anaesthetist to have a good understanding of these new surgical procedures so as to provide optimal surgical conditions...
March 2018: Anaesthesia and Intensive Care
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