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https://www.readbyqxmd.com/read/29146479/visual-outcome-of-penetrating-keratoplasty-deep-anterior-lamellar-keratoplasty-and-descemet-membrane-endothelial-keratoplasty
#1
Clàudia Garrido, Genís Cardona, Josep L Güell, Jaume Pujol
PURPOSE: A single-center, cross-sectional study was designed to assess and compare objective and subjective quality of vision of patients intervened with penetrating keratoplasty (PK), deep anterior lamellar keratoplasty (DALK) and Descemet membrane endothelial keratoplasty (DMEK). METHODS: Forty-six patients previously intervened with PK (22 eyes), DALK (7 eyes) and DMEK (17 eyes) were recruited. Visual evaluation included spherical and cylindrical refraction, distance corrected visual acuity (DCVA), photopic contrast sensitivity (CS), optical quality, measured with the HD Analyzer (objective scattering index [OSI], MTF cut-off and Strehl ratio), and ocular and corneal aberrometry, measured with the KR-1W Wavefront Analyzer...
November 13, 2017: Journal of Optometry
https://www.readbyqxmd.com/read/29118505/descemet-s-membrane-macroperforation-during-interface-irrigation-in-big-bubble-deep-anterior-lamellar-keratoplasty
#2
Mohammed Ziaei, Susan E Ormonde
This report describes the macroperforation of descemet's membrane (DM) during irrigation of the interface following successful removal of stromal tissue in big bubble (BB) deep anterior lamellar keratoplasty (DALK). A 42-year-old woman with keratoconus underwent a BB DALK procedure. After successful formation of Type 2 bubble and removal of stromal tissue, interface irrigation was performed to remove residual viscoelastic. This led to a macroperforation of DM, and the case was converted to penetrating keratoplasty...
September 2017: Oman Journal of Ophthalmology
https://www.readbyqxmd.com/read/29095753/effect-of-suture-removal-on-refraction-and-graft-curvature-after-deep-anterior-lamellar-keratoplasty-in-patients-with-keratoconus
#3
Sepehr Feizi, Mohammad Ali Javadi, Nazanin Behnaz, Sadaf Fani-Hanife, Mohammad Reza Jafarinasab
PURPOSE: To evaluate the effect of suture removal on refraction and keratometry measurements after deep anterior lamellar keratoplasty (DALK). METHODS: This retrospective study enrolled 54 keratoconus-affected eyes that underwent DALK. A combined suturing technique consisting of a 16-bite single running and 8-bite interrupted 10-0 nylon sutures was used at the time of keratoplasty. Selective interrupted suture removal was performed in a subgroup of patients to reduce postkeratoplasty astigmatism...
October 31, 2017: Cornea
https://www.readbyqxmd.com/read/29095752/double-docking-technique-for-femtosecond-laser-assisted-deep-anterior-lamellar-keratoplasty
#4
Damien Guindolet, Diem T Nguyen, Ciara Bergin, Serge Doan, Isabelle Cochereau, Eric E Gabison
PURPOSE: To describe a new and safe surgical technique of deep anterior lamellar keratoplasty (DALK) using the femtosecond laser (FSL) and intraoperative optical coherence tomography (iOCT) for surgical management of corneal thinning and/or opacities. The technique was coined the double-docking procedure for DALK (DD-DALK). METHODS: FSL-integrated iOCT was used for direct visualization and calibration to perform precise anterior lamellar and side cuts for the removal of the anterior stroma...
October 31, 2017: Cornea
https://www.readbyqxmd.com/read/29066651/rescuing-the-host-descemet-s-membrane-in-full-thickness-traumatic-wound-dehiscence-in-deep-anterior-lamellar-keratoplasty-intraoperative-optical-coherence-tomography-ioct-guided-technique
#5
Manthan Hasmukhbhai Chaniyara, Rahul Bafna, Jayanand Urkude, Namrata Sharma
Optimal visual recovery following full-thickness traumatic wound dehiscence in a case of operated deep anterior lamellar keratoplasty (DALK) is rarely seen. Here we report a case of 22-year-old male patient presented to our casualty department with complaint of sudden-onset diminution of vision in his right eye following blunt trauma of 1 day duration. DALK had been performed 11 months ago for advanced keratoconus in the same eye. Best-corrected visual acuity (BCVA) in the right eye was hand movement close to face with accurate projection of rays and in the left eye was 20/20...
October 24, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/29026805/editorial
#6
EDITORIAL
Edward W Buchel, Kimberly R Dalke
No abstract text is available yet for this article.
February 2017: Plastic Surgery
https://www.readbyqxmd.com/read/29023312/prediction-of-descemet-membrane-perforation-during-deep-anterior-lamellar-keratoplasty-in-patients-with-keratoconus-with-stromal-scar
#7
Mehmet Cuneyt Ozmen, Nilufer Yesilirmak, Bahri Aydin, Kubra Serbest Ceylanoglu, Hatice Tuba Atalay, Fikret Akata
OBJECTIVES: To report big-bubble deep anterior lamellar keratoplasty (DALK) in patients with keratoconus with corneal stromal scar, and to investigate factors that can influence intraoperative Descemet membrane (DM) perforation. METHODS: A retrospective study included patients with keratoconus with central stromal scar that underwent DALK using the big-bubble technique. Best spectacle-corrected visual acuity (BSCVA), keratometry, minimum corneal thickness (MCT), stromal scar depth, and endothelial cell density (ECD) were recorded...
October 11, 2017: Eye & Contact Lens
https://www.readbyqxmd.com/read/28951784/intrastromal-corneal-ring-segments-for-astigmatism-correction-after-deep-anterior-lamellar-keratoplasty
#8
Júlio C D Arantes, Sandro Coscarelli, Paulo Ferrara, Luana P N Araújo, Marcos Ávila, Leonardo Torquetti
Background. To evaluate the change in corneal astigmatism after intrastromal corneal ring segment (ICRS) implantation in keratoconus patients with previous deep anterior lamellar keratoplasty (DALK). Design was a longitudinal, retrospective, interventional study. The study included 25 eyes of 24 patients with keratoconus who had DALK performed at least two years prior to ICRS implantation. All patients had a clear corneal graft with up to 8.00 D of corneal astigmatism and intolerance to contact lenses. The studied parameters were age, sex, corrected distance visual acuity (CDVA), maximum keratometry (K1), minimum keratometry (K2), spherical equivalent, and astigmatism...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28943388/corneal-higher-order-aberrations-and-visual-improvement-following-corneal-transplantation-in-treating-herpes-simplex-keratitis
#9
Eisuke Shimizu, Takefumi Yamaguchi, Daisuke Tomida, Yukari Yagi-Yaguchi, Yoshiyuki Satake, Kazuo Tsubota, Jun Shimazaki
PURPOSE: To examine corneal higher-order aberrations (HOAs) and visual improvement following corneal transplantation in treating corneal scar caused by herpes simplex keratitis (HSK). DESIGN: Retrospective consecutive case series. METHODS: This study included a total of 52 eyes: 18 normal subjects, and 34 eyes of consecutive patients with corneal scar due to HSK who underwent penetrating keratoplasty (PKP, 17 eyes) or deep anterior lamellar keratoplasty (DALK, 17 eyes)...
September 21, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28940116/a-comparative-study-deep-anterior-lamellar-keratoplasty-for-corneal-dystrophies-using-two-different-donor-stromal-tissues
#10
Yusuf Koçluk, Emine Alyamaç Sukgen
PURPOSE: This study aimed to present a comparison of early postoperative results of deep anterior lamellar keratoplasty (DALK) surgery performed using the two different corneal graft sources. MATERIALS AND METHODS: This retrospective clinical study included the surgery performed on 26 eyes of 26 patients who underwent DALK for the stromal dystrophies. At the time of surgery, donor stromal tissue for DALK was sourced using the two different preparatory techniques...
September 22, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28930381/intraocular-pressure-and-big-bubble-diameter-in-deep-anterior-lamellar-keratoplasty-an-ex-vivo-microscope-integrated-oct-with-heads-up-display-study
#11
Paramjit K Bhullar, Oscar M Carrasco-Zevallos, Alexandria Dandridge, Neel D Pasricha, Brenton Keller, Liangbo Shen, Joseph A Izatt, Cynthia A Toth, Anthony N Kuo
PURPOSE: To investigate the relationship between intraocular pressure (IOP) and big bubble (BB) formation in a model of deep anterior lamellar keratoplasty (DALK). DESIGN: Ex-vivo. METHODS: Corneoscleral buttons from human donors were loaded onto an artificial anterior chamber connected to a column of balanced salt solution. A surgeon-in-training learned to perform DALK via the BB technique using swept-source microscope-integrated optical coherence tomography (SS-MIOCT) with heads-up display (HUD)...
September 2017: Asia-Pacific Journal of Ophthalmology
https://www.readbyqxmd.com/read/28914632/stepwise-guided-photorefractive-keratectomy-in-treatment-of-irregular-astigmatism-after-penetrating-keratoplasty-and-deep-anterior-lamellar-keratoplasty
#12
Nir Sorkin, Adi Einan-Lifshitz, Sagi Abelson, Tanguy Boutin, Mahmood Showail, Armand Borovik, Zach Ashkenazy, Clara C Chan, David S Rootman
PURPOSE: To report the outcome of stepwise ablation using topography-guided photorefractive keratectomy to treat irregular astigmatism after either penetrating keratoplasty (PKP) or deep anterior lamellar keratoplasty (DALK). METHODS: This is a retrospective, interventional analysis including patients with irregular astigmatism after either PKP or DALK, who underwent topography-guided photorefractive keratectomy. The entire cohort was analyzed, as well as the PKP and DALK groups separately...
September 12, 2017: Cornea
https://www.readbyqxmd.com/read/28844326/-comparison-of-anatomic-and-functional-results-between-z6%C3%A2-femtosecond-laser-assisted-and-manual-trephination-in-deep-anterior-lamellar-keratoplasty-for-advanced-keratoconus-french-version
#13
A Blériot, E Martin, P Lebranchu, K Zimmerman, L Libeau, M Weber, B Vabres, I Orignac
The management of severe keratoconus requires corneal transplantation, for which the gold standard is deep anterior lamellar keratoplasty (DALK), preserving the healthy Descemet's membrane and endothelium. The safety and reproducibility of corneal cuts have been improved by the evolution of femtosecond lasers in refractive surgery, and femtosecond laser in DALK would seem to provide the same advantages over the manual method. In our retrospective study, we compare functional and anatomical results of femtosecond assisted DALK versus manual trephination DALK in patients with keratoconus in stage 4 of the Krumeich classification...
September 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/28831627/gender-differences-in-keratoconus-keratoplasty-a-25-year-study-in-southern-brazil-and-global-perspective
#14
Otavio A Magalhaes, Samara B Marafon, Raissa C Ferreira
PURPOSE: To compare the characteristics and outcomes of male and female patients that underwent corneal transplantation for keratoconus (KC) in Southern Brazil and worldwide. METHODS: Retrospective longitudinal study that evaluated medical records of patients who were submitted to keratoplasty between August 1990 and September 2015 in two tertiary hospitals in the state of Rio Grande do Sul (Brazil) and review of the Medline and Embase database international literature...
August 22, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28831349/a-limited-submuscular-direct-to-implant-technique-utilizing-allomax
#15
Michal Brichacek, Kimberly Dalke, Edward Buchel, Thomas E J Hayakawa
This study evaluates a novel limited submuscular direct-to-implant technique utilizing AlloMax where only the upper few centimeters of the implant is covered by the pectoralis, whereas the majority of the implant including the middle and lower poles are covered by acellular dermal matrix. METHODS: The pectoralis muscle is released off its inferior and inferior-medial origins and allowed to retract superiorly. Two sheets of AlloMax (6 × 16 cm) are sutured together and secured to the inframammary fold, serratus fascia, and the superiorly retracted pectoralis...
July 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28816143/radiation-therapy-versus-no-radiation-therapy-to-the-neo-breast-following-skin-sparing-mastectomy-and-immediate-autologous-free-flap-reconstruction-for-breast-cancer-patient-reported-and-surgical-outcomes-at-1-year-a-mastectomy-reconstruction-outcomes-consortium
#16
MULTICENTER STUDY
Andrew L Cooke, Julian Diaz-Abele, Tom Hayakawa, Ed Buchel, Kimberly Dalke, Pascal Lambert
PURPOSE: To determine whether adjuvant radiation therapy (RT) is associated with adverse patient-reported outcomes and surgical complications 1 year after skin-sparing mastectomy and immediate autologous free flap reconstruction for breast cancer. METHODS AND MATERIALS: We compared 24 domains of patient-reported outcome measures 1 year after autologous reconstruction between patients who received adjuvant RT and those who did not. A total of 125 patients who underwent surgery between 2012 and 2015 at our institution were included from the Mastectomy Reconstruction Outcomes Consortium study database...
September 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28814921/distribution-of-the-invasive-plant-species-heracleum-sosnowskyi-manden-in-the-komi-republic-russia
#17
Ivan Chadin, Igor Dalke, Ilya Zakhozhiy, Ruslan Malyshev, Elena Madi, Olga Kuzivanova, Dmitrii Kirillov, Vladimir Elsakov
Occurrences of the invasive plant species Heracleum sosnowskyi Manden. in the Komi Republic (northeastern part of European Russia) were recorded and published in the Global Biodiversity Information Facility (GBIF http://www.gbif.org) using the RIVR information system (http://ib.komisc.ru/add/rivr/en). RIVR stands for "Rasprostranenie Invasionnyh Vidov Rastenij" [Occurrence of Invasion Plant Species]. This citizen science project aims at collecting occurrence data about invasive plant species with the help of citizen scientists...
2017: PhytoKeys
https://www.readbyqxmd.com/read/28808586/quality-of-vision-after-deep-anterior-lamellar-keratoplasty-fluid-dissection-compared-to-penetrating-keratoplasty-for-the-treatment-of-keratoconus
#18
Islam Mahmoud Hamdi, Momen Mahmoud Hamdi
PURPOSE: To compare the visual quality of patients with keratoconus who underwent penetrating keratoplasty (PKP) or deep anterior lamellar keratoplasty (DALK) with fluid dissection. DESIGN: Cross-sectional, observational study. METHODS: Twelve eyes that underwent PKP (PKP group) were compared to 24 eyes that underwent DALK (DALK group) after complete removal of sutures and stability of refraction. Visual, refractive, corneal topographic, corneal aberrometry, and ocular aberrometry parameters were compared for both groups...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28777776/immunologic-rejection-episodes-after-deep-anterior-lamellar-keratoplasty-incidence-and-risk-factors
#19
Andres Gonzalez, Marianne O Price, Matthew T Feng, Christopher Lee, Juan G Arbelaez, Francis W Price
PURPOSE: To assess the rejection episode rate after deep anterior lamellar keratoplasty (DALK) and to identify associated risk factors. METHODS: This retrospective review of 251 primary DALK procedures performed by 14 surgeons at a single center between February 2008 and November 2015 evaluated the rejection episode rate and associated risk factors using Kaplan-Meier survival and proportional hazards analyses, which took the length of follow-up into consideration...
September 2017: Cornea
https://www.readbyqxmd.com/read/28749898/recurrence-of-granular-corneal-dystrophy-type-1-after-phototherapeutic-keratectomy-lamellar-keratoplasty-and-penetrating-keratoplasty-in-a-single-population
#20
Darrell R Lewis, Marianne O Price, Matthew T Feng, Francis W Price
PURPOSE: To describe the recurrence of granular corneal dystrophy type 1 (GCD1) after penetrating keratoplasty (PKP), anterior lamellar keratoplasty (ALK), deep anterior lamellar keratoplasty (DALK), and phototherapeutic keratectomy (PTK) in a single population. The time required to achieve best-corrected visual acuity (BCVA) after each intervention was also analyzed. METHODS: Retrospective review of all patients with GCD1 from a single center between 1989 and 2016...
October 2017: Cornea
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