keyword
https://read.qxmd.com/read/38518004/bilateral-total-iris-atrophy-corneal-decompensation-and-glaucoma-following-bilateral-cosmetic-artificial-iris-implantation-a-case-report-of-severe-sequela-and-successful-management
#1
JOURNAL ARTICLE
Wisam Shihadeh, Abdelwahab Aleshawi, Yara Aburamadan, Mohammed Al-Shalakhti
PURPOSE: Cosmetic iris implants have a record of high ocular complications and are no longer in use. These complications include glaucoma, corneal decompensation, iris atrophy, uveitis, cataract and retinal detachment. CASE PRESENTATION: We report a case of a 44-year-old lady presented with bilateral total iris atrophy, glaucoma and corneal decompensation after cosmetic artificial iris implantation. The patient underwent bilateral artificial iris removal, glaucoma drainage device for the right eye, and micropulse laser for the left eye...
March 22, 2024: Medicine (Baltimore)
https://read.qxmd.com/read/38502349/incidence-risk-factors-and-treatment-of-retroprosthetic-membranes-following-boston-keratoprosthesis-eyes-and-the-impact-of-glaucoma-surgery
#2
JOURNAL ARTICLE
Beshoy S Gabriel, Cason B Robbins, C Ellis Wisely, Rami S Gabriel, Melissa B Daluvoy, Sharon Fekrat
PURPOSE: To assess incidence, risk factors, and treatment of retroprosthetic membrane (RPM) formation in eyes following Boston keratoprosthesis (Kpro) implantation and their correlation with glaucoma drainage device placement (GDD). METHODS: A retrospective review was performed on eyes that underwent Kpro type I or II implantation between 2005 and 2020 at a tertiary academic center. Multiple variables were collected including preoperative characteristics, presence of RPM, management of RPM, and outcomes including corrected visual acuity (VA)...
March 19, 2024: Graefe's Archive for Clinical and Experimental Ophthalmology
https://read.qxmd.com/read/38398288/outcomes-of-boston-keratoprosthesis-type-i-implantation-in-poland-a-retrospective-study-on-118-patients
#3
JOURNAL ARTICLE
Ewa Wróblewska-Czajka, Dariusz Dobrowolski, Adam Wylęgała, Ula V Jurkunas, Edward Wylęgała
Background: Boston Keratoprosthesis Type I (BI-KPro I) is a synthetic cornea that can be used to restore vision in patients with corneal blindness. This retrospective study evaluated the outcomes of BI-KPro implantation in 118 patients. Material: The mean age of the patients was 56.76 ± 14.24 years. Indications for keratoprosthesis implantation were as follows: graft failure, 47 (39.83%); ocular burn, 38 (32.20%); neurotrophic keratopathy, 11 (9.32%), mucous membrane pemphigoid 9 (7.67%); autoimmune, 6 (5...
February 8, 2024: Journal of Clinical Medicine
https://read.qxmd.com/read/38305331/ten-year-outcome-of-boston-type-i-keratoprosthesis-surgery-at-a-tertiary-care-center
#4
JOURNAL ARTICLE
Brittany C Tsou, N Dilruba Koseoglu, Esen L Akpek, T Y Alvin Liu
PURPOSE: The aim of this study was to report long-term outcomes of patients who have undergone Boston type I keratoprosthesis (KPro) surgery. METHODS: This study was a retrospective review. Inclusion criteria were KPro surgery between 2006 and 2012 and at least 10 years of follow-up. Demographics, ocular history, surgery indication, clinical variables, and postsurgical outcomes were recorded. Descriptive statistical analysis was performed. RESULTS: We identified 75 patients with KPro implantation, and 17 patients with at least 10 years of follow-up (median = 11...
February 2, 2024: Cornea
https://read.qxmd.com/read/38099653/boston-keratoprosthesis-type-1-kpro-without-contact-lens-wearing-in-end-stage-corneal-disease-the-apec-experience
#5
JOURNAL ARTICLE
Guillermo De Wit-Carter, César Hernández-Chavarría, Pedro-Ivan Navarro-Naranjo, Cristal Manzanillo-Rosario, Ricardo Navarro-Saucedo, Ana Mercedes García-Albisua, Everardo Hernandez-Quintela, Emmanuel Cabrera-Martínez, Gabriela Ordoñez-Ranz, Valeria Sanchez-Huerta
PURPOSE: To report the visual outcomes and survival analysis of keratoprosthesis without contact lens wearing in a tertiary eye care hospital in Mexico City, Asociación Para Evitar La Ceguera (APEC, Coyoacán, México). DESIGN: Retrospective cohort with survival analysis. PARTICIPANTS: Twenty-three eyes (22 patients) received KPro type 1 between 2015 and 2020 with a follow-up time of three years. METHODS: We included analyzed data about past medical history, preoperative diagnosis, best-spectacle visual acuity (BSCVA), postoperative complications and retention rate...
December 15, 2023: European Journal of Ophthalmology
https://read.qxmd.com/read/37973521/glaucoma-after-penetrating-keratoplasty-and-keratoprosthesis
#6
JOURNAL ARTICLE
D Khair, J El-Khoury, P Thompson, L Racine, M Harissi-Dagher
PURPOSE: To compare visual and glaucoma outcomes in patients with known glaucoma after a penetrating keratoplasty (PKP) or a Boston Keratoprosthesis Type 1 (KPro) as a second corneal replacement procedure. DESIGN: Retrospective interventional case series. PARTICIPANTS: Charts of 141 eyes that underwent either a PKP or KPro at the Centre hospitalier de l'Université de Montréal after one failed PKP from 2008 to 2020 were reviewed. Forty-six eyes with preoperative glaucoma were included...
November 14, 2023: Journal Français D'ophtalmologie
https://read.qxmd.com/read/37906002/transmucosal-boston-keratoprosthesis-type-ii-in-a-case-of-severe-bilateral-chemical-burn
#7
JOURNAL ARTICLE
Ana Orive Bañuelos, María Fideliz de la Paz, Raquel Feijóo Lera, Alaitz Santamaría Carro, Ainhoa Martínez Grau, Noelia Andollo Victoriano, Jaime Etxebarria Ecenarro
PURPOSE: The purpose of this report was to describe a new alternative surgical technique combining oral mucosa and the Boston Keratoprosthesis type II (BKPro II) in a patient with severe chemical burn. METHODS: We present a case of a 37-year-old man who suffered a severe bilateral chemical burn. Visual acuity was light perception and projection in both eyes. After many surgeries, including eyelid reconstruction, eyelashes electrolysis, and amniotic membrane transplants, he presented a corneal thinning in his right eye that was managed with an autologous oral mucosa graft...
October 31, 2023: Cornea
https://read.qxmd.com/read/37867123/-long-term-visual-outcomes-of-boston-type-i-keratoprosthesis-in-canada
#8
JOURNAL ARTICLE
T Aoun, M Harissi-Dagher
BACKGROUND/PURPOSE: To evaluate long-term visual outcomes of Boston type I keratoprosthesis (KPro) surgery and identify risk factors for visual failure. METHODS: Single surgeon retrospective cohort study including 85 eyes of 74 patients who underwent KPro implantation to treat severe ocular surface disease, including limbal stem cell deficiency, postinfectious keratitis, aniridia and chemical burns. Procedures were performed at the Centre hospitalier de l'Université de Montréal from October 2008 to May 2012...
October 20, 2023: Journal Français D'ophtalmologie
https://read.qxmd.com/read/37837906/titanium-boston-keratoprosthesis-with-corneal-cell-adhesive-and-bactericidal-dual-coating
#9
JOURNAL ARTICLE
Silvia González Gómez, Jordi Guillem-Marti, Helena Martín-Gómez, Carlos Mas-Moruno, Maria-Pau Ginebra, Francisco Javier Gil, Rafael Ignasi Barraquer, José María Manero
The Boston keratoprosthesis (BKPro) is a medical device used to restore vision in complicated cases of corneal blindness. This device is composed by a front plate of polymethylmethacrylate (PMMA) and a backplate usually made of titanium (Ti). Ti is an excellent biomaterial with numerous applications, although there are not many studies that address its interaction with ocular cells. In this regard, despite the good retention rates of the BKPro, two main complications compromise patients' vision and the viability of the prosthesis: imperfect adhesion of the corneal tissue to the upside of the backplate and infections...
October 7, 2023: Biomater Adv
https://read.qxmd.com/read/37783274/artifacts-in-optical-coherence-tomography-retinal-nerve-fiber-layer-imaging-in-patients-with-boston-keratoprosthesis-type-1
#10
JOURNAL ARTICLE
Alexandra G Castillejos, Julia Devlin, Chhavi Saini, Jessica A Sun, Mengyu Wang, Grace Johnson, James Chodosh, Lucy Q Shen
PURPOSE: To determine the clinical utility of optical coherence tomography retinal nerve fiber layer (OCT RNFL) imaging for glaucoma evaluation in patients with Boston keratoprosthesis type 1 (KPro) by investigating imaging artifacts. DESIGN: Case-control study. SUBJECTS: Patients with KPro and without KPro (controls) matched for age, gender, and glaucoma diagnosis. METHODS: The most recent Cirrus OCT RNFL scan from one eye was categorized as with good signal strength (SS; ≥6 out of 10) or poor SS (<6)...
September 30, 2023: Ophthalmology Glaucoma
https://read.qxmd.com/read/37705757/use-of-prose-for-long-term-ocular-surface-support-in-patients-with-a-permanent-keratoprosthesis
#11
Bita Asghari, Karen G Carrasquillo, Alan Kwok, Kimberly C Sippel
PURPOSE: To describe the long-term outcome of the use of a specialized scleral lens known as a prosthetic replacement of the ocular surface ecosystem (PROSE) device to support the ocular surface in patients with a Boston Keratoprosthesis (KPro) Type I. All patients in this series were unable to pursue continuous wear of a bandage soft contact lens (BSCL) - a critical aspect of post KPro implantation management intended to protect the corneal carrier tissue from desiccation and stromal melting...
December 2023: American Journal of Ophthalmology Case Reports
https://read.qxmd.com/read/37603441/chronic-hypotony-and-uveitis-managed-with-pars-plana-vitrectomy-silicone-oil-tamponade-and-permanent-keratoprosthesis
#12
JOURNAL ARTICLE
Kirk K Hou, Anthony J Aldave, Allan E Kreiger
PURPOSE: We report a case of silicone oil placement after Boston Type 1 keratoprosthesis implantation for improvement and maintenance of intraocular pressure in a patient with chronic hypotony secondary to chronic uveitis. METHODS: Observational case report. RESULTS: A 54-year-old female with a history of bilateral chronic panuveitis and subsequent hypotony presented with progressive corneal decompensation and band keratopathy in her better-seeing left eye...
August 15, 2023: Retinal Cases & Brief Reports
https://read.qxmd.com/read/37417141/intra-operative-optical-coherence-tomography-in-corneal-lamellar-graft-reinforcement-for-boston-type-i-keratoprosthesis-corneal-melt
#13
JOURNAL ARTICLE
Liangbo Zeng, Miao Chen, Lixia Lin, Jiajie Zhai, Jiaqi Chen, Jianjun Gu
Corneal melt is a sight-threatening complication of Boston type 1 keratoprosthesis (KPro). Severe corneal melt may result in hypotony, choroidal hemorrhage, and even spontaneous extrusion of the KPro, which may lead to a poor visual prognosis. Lamellar keratoplasty is one surgical option for the management of mild corneal melt, especially when a new KPro is not available. Herein, we present a new surgical technique application, intra-operative optical coherence tomography (iOCT) for the management of cornea graft melt after Boston type 1 KPro implantation...
July 2023: Indian Journal of Ophthalmology
https://read.qxmd.com/read/37253429/review-of-clinical-trials-addressing-the-boston-keratoprosthesis
#14
JOURNAL ARTICLE
Daniel Milad, Yelin Yang, Kerolos Eisa, Mona Harissi-Dagher
OBJECTIVE: The Boston Keratoprosthesis (KPro) has gained recognition as an alternative for patients with severe corneal disease and a poor probability of success with traditional penetrating keratoplasty. This review summarizes the knowledge clinical trials have brought to KPro and discusses ongoing trials. DESIGN: Systematic review. METHODS: A literature review across PubMed, Ovid MEDLINE, Cochrane CENTRAL, and ClinicalTrials.gov was performed to identify relevant published clinical trials reporting on the KPro from all years up until September 2021...
May 27, 2023: Canadian Journal of Ophthalmology. Journal Canadien D'ophtalmologie
https://read.qxmd.com/read/37159138/preparing-the-ocular-surface-for-a-boston-keratoprosthesis-type-1-through-en-bloc-minor-salivary-gland-transplantation-and-mucous-membrane-grafting-in-end-stage-stevens-johnson-syndrome
#15
JOURNAL ARTICLE
Alejandro Arboleda, Ragini Phansalkar, Guillermo Amescua, Wen-Shin Lee, James D Brandt, Mark J Mannis, Andrea L Kossler, Charles C Lin
PURPOSE: This case describes the successful visual restoration of a patient with end-stage Stevens-Johnson syndrome (SJS) with a severely keratinized ocular surface. METHODS: This study is a case report. RESULTS: A 67-year-old man with SJS secondary to allopurinol sought visual rehabilitation options. His ocular surface was severely compromised from sequelae of chronic SJS, leaving him with light perception vision bilaterally. The left eye was completely keratinized with severe ankyloblepharon...
July 1, 2023: Cornea
https://read.qxmd.com/read/37092032/metalloproteinase-9-in-the-ocular-surface-of-patients-with-implanted-boston-type-1-keratoprosthesis
#16
JOURNAL ARTICLE
Andrea C Arteaga, Margaret C Weiss, Raiza Perez, María Soledad Cortina
PURPOSE: To characterize the presence of ocular surface inflammation, using matrix metalloproteinase 9 (MMP-9) as a marker, in the ocular surface of eyes with implanted Boston Keratoprosthesis type 1 (KPro). METHODS: Patients with implanted KPro at a single tertiary center were recruited to assess ocular inflammation. MMP-9 was measured using InflammaDry® test in both eyes of each patient. The non-KPro eye served as control. Rate of positivity of MMP-9 was compared between groups...
March 2023: Cornea Open
https://read.qxmd.com/read/37088944/candida-colonization-on-the-surface-of-contact-lenses-in-long-term-wearers-and-boston-type-1-keratoprosthesis-patients-presenting-as-white-mulberry-shaped-deposits
#17
JOURNAL ARTICLE
Ana Orive Bañuelos, Alaitz Santamaría Carro, Raquel Feijóo Lera, Cristina Sacristán Egüén, Noelia Andollo Victoriano, Jaime Etxebarria Ecenarro
PURPOSE: To report Candida colonies on the surface of the contact lens in long-term contact lens wearers and patients with Boston type 1 keratoprosthesis (KPro I). METHODS: A retrospective study was performed based on analyzing cultures from bandage contact lenses with small whitish mulberry-shaped deposits on their surface. RESULTS: Eight samples (from seven patients) were positive for Candida. Seven of the eight were positive for Candida parapsilosis...
May 1, 2023: Eye & Contact Lens
https://read.qxmd.com/read/36934958/short-term-outcomes-of-modified-boston-type-ii-keratoprosthesis-implantation-with-autologous-auricular-cartilage-reinforcement-outcomes-of-modified-boston-type-ii-keratoprosthesis
#18
JOURNAL ARTICLE
Mimi Liu, Han Wen, Lei Lin, Chaoxiang Ge, Lili Guo, James Chodosh, Qinxiang Zheng, Wei Chen
PURPOSE: To report the short-term visual outcomes and complications of a modified Boston Type-II keratoprosthesis (Kpro) procedure. DESIGN: Retrospective case series. METHODS: 37 eyes of 37 patients who had an implantation of autologous auricular cartilage reinforced (AACR)-Boston Type-II Kpro (BK2) were included in the current study. Preoperative and postoperative data were recorded and analyzed for each eye. MAIN OUTCOME MEASURES: Best-corrected visual acuity (BCVA), symptoms as assessed by questionnaires, complications associated with implantation, and retention of the implanted BK2 device...
March 17, 2023: American Journal of Ophthalmology
https://read.qxmd.com/read/36794627/probing-mechanisms-and-improving-management-of-glaucoma-following-boston-keratoprosthesis-surgery
#19
JOURNAL ARTICLE
Dominique Geoffrion, Robert K Koenekoop, Mona Harissi-Dagher
Corneal blindness is a leading cause of visual impairment worldwide. The most common treatment is to replace the diseased cornea with standard corneal transplantation. In eyes at high risk of graft failure, the Boston keratoprosthesis type 1 (KPro) can be used to restore vision and is currently the most frequently used artificial cornea in the world. However, glaucoma is a well-known complication of KPro surgery and is the most important threat to vision in KPro-implanted eyes. This chronic disease is influenced by elevated intraocular pressure (IOP) and damages the optic nerve, leading to progressive vision loss...
March 2023: Acta Ophthalmologica
https://read.qxmd.com/read/36764304/correspondence
#20
LETTER
Dominique Geoffrion, Samir Melki, Mona Harissi-Dagher
No abstract text is available yet for this article.
May 1, 2023: Retina
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