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Ilya Sluch, Andrew Bailey
No abstract text is available yet for this article.
January 5, 2017: JAMA Ophthalmology
Zhong-Jing Lin, Shuo Xu, Shou-Yue Huang, Xiao-Bin Zhang, Yi-Sheng Zhong
AIM: To evaluate the advantage of canaloplasty compared to trabeculectomy for patients with open angle glaucoma. METHODS: Potentially relevant studies were systematically searched using various databases from inception until December 2015. The outcome analyses performed automatically using Revman 5.3 included intraocular pressure reduction (IOPR), postoperative success rate, anti-glaucoma medications reduction and the incidence of adverse events. RESULTS: We included four qualified studies incorporating a total of 215 eyes for quantitative synthesis...
2016: International Journal of Ophthalmology
Lukas Anschuetz, Marco Bonali, Michael Ghirelli, Francesco Mattioli, Domenico Villari, Marco Caversaccio, Livio Presutti
Importance: With the international spread of exclusive transcanal endoscopic ear surgery, the need for a suitable and affordable surgical training model has grown during the past years. Objective: To develop and validate an ex vivo animal model for exclusive endoscopic ear surgery. Design, Setting, and Animal Models: In an experimental study, we compared ovine and human middle ear anatomy in 4 specimens and assessed the lamb as a model for endoscopic ear surgery...
December 1, 2016: JAMA Otolaryngology—Head & Neck Surgery
Raşit Cevizci, Selin Üstün Bezgin, Gökhan Altın, Gülbin Oran, Yıldırım Ahmet Bayazıt
In this article, we report a 33-year-old female patient with lesions of bilateral external auditory canals who was treated using fiber CO2 laser without canaloplasty. Histopathological examination confirmed the diagnosis of irritated type seborrheic keratosis, which is rare in external auditory canal. Twelve months after the treatment, the patient showed no signs of recurrence.
September 2016: Kulak Burun Boğaz Ihtisas Dergisi: KBB, Journal of Ear, Nose, and Throat
Fatima Kyari, Winifred Nolan, Clare Gilbert
PURPOSE OF THE STUDY: Glaucoma, a chronic non-communicable disease, and leading cause of irreversible blindness worldwide is a public health problem in Nigeria, with a prevalence of 5.02% in people aged ≥40 years. The purpose of this nationwide survey was to assess Nigerian ophthalmologists' practice patterns and their constraints in managing glaucoma. STUDY DESIGN: Ophthalmologists were sent a semistructured questionnaire on how they manage glaucoma, their training in glaucoma care, where they practice, their access to equipment for diagnosis and treatment, whether they use protocols and the challenges they face in managing patients with glaucoma...
October 11, 2016: BMJ Open
S Siebelmann, B Bachmann, A Lappas, T Dietlein, M Hermann, S Roters, C Cursiefen, P Steven
BACKGROUND: Optical coherence tomography (OCT) is the clinical gold standard for anterior and posterior segment imaging. Since OCT devices have been integrated into surgical microscopes, this technique is also available intraoperatively in anterior segment surgery. OCT is well established in imaging very thin or transparent structures as they appear in corneal or glaucoma surgery. Therefore, intraoperative OCT can deliver important information for the surgeon which is superior to the normal surgical microscope...
August 2016: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
B Voykov, J M Rohrbach
Canaloplasty is a recently introduced non-penetrating surgical technique for glaucoma, which seeks to improve the natural outflow of aqueous humor through Schlemm's canal and the collector channels. Just as in all forms of glaucoma surgery there are a certain number of failures of the procedure and further surgery is often needed to reduce the intraocular pressure in these cases. This article describes some of the revision procedures after canaloplasty.
July 5, 2016: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
Kenneth J Taubenslag, Jeffrey A Kammer
African descent is a well-documented risk factor for glaucoma development, progression, and medical and surgical failure. We reviewed the literature for evidence of outcomes disparities between Black and White populations after trabeculectomy, Ex-PRESS shunt, viscocanalostomy, canaloplasy, tube shunt, laser trabeculoplasty, and cyclophotocoagulation. There are reports of decreased surgical success in Black patients after trabeculectomy, Ex-PRESS shunt, tube-shunt, and canaloplasty. At this time, there is no strong evidence that any procedure is more effective for intraocular pressure control than standard trabeculectomy for Black patients...
2016: Seminars in Ophthalmology
Yu-Hsi Liu, Kuo-Ping Chang
Fibrous dysplasia is a slowly progressive benign fibro-osseous disease, rarely occurring in temporal bones. In these cases, most bony lesions developed from the bony part of the external auditory canals, causing otalgia, hearing impairment, otorrhea, and ear hygiene blockade and probably leading to secondary cholesteatoma. We presented the medical history of a 24-year-old woman with temporal monostotic fibrous dysplasia with secondary cholesteatoma. The initial presentation was unilateral conductive hearing loss...
April 2016: Journal of International Advanced Otology
L Zeppa, L Ambrosone, G Guerra, M Fortunato, C Costagliola
The aim of this study has been to visualize the aqueous outflow system in patients affected by primary open angle glaucoma. A solution of indocyanine green (ICG) plus high viscosity viscoelastic solution was injected into the Schlemm canal during surgery in 10 glaucomatous patients undergoing canaloplasty. Soon after injection of the dye the borders of the scleral flap were completely stained due to partial reflux caused by the intrachannel resistance; progression of the dye along the Schlemm canal starting from the site of injection was then visualized...
2016: Journal of Ophthalmology
Carlo Cagini, Claudia Peruzzi, Tito Fiore, Leopoldo Spadea, Myrta Lippera, Stefano Lippera
Canaloplasty is a nonpenetrating blebless surgical technique for open-angle glaucoma, in which a flexible microcatheter is inserted within Schlemm's canal for the entire 360 degrees. When the microcatheter exits the opposite end, a 10-0 prolene suture is tied and it is then withdrawn, by pulling microcatheter back through the canal in the opposite direction. Ligation of prolene suture provides tension on the canal and facilitates aqueous outflow. The main advantage of canaloplasty is that this technique avoids the major complications of fistulating surgery related to blebs and hypotony...
2016: Journal of Ophthalmology
Anna-Maria Seuthe, Ciprian Ivanescu, Stephan Leers, Karl Boden, Kai Januschowski, Peter Szurman
PURPOSE: The aim of this study was to investigate the efficacy and safety of a new and modified canaloplasty technique with suprachoroidal drainage in a large patient cohort, and to compare its IOP-lowering and topical drug-sparing effect to that of conventional canaloplasty. METHODS: This retrospective clinical trial included patients with open-angle glaucoma or secondary forms of glaucoma who underwent either conventional canaloplasty or canaloplasty with suprachoroidal drainage...
August 2016: Graefe's Archive for Clinical and Experimental Ophthalmology
Marek Rekas, Monika E Danielewska, Anna Byszewska, Katarzyna Petz, Joanna Wierzbowska, Robert Wierzbowski, D Robert Iskander
PURPOSE: We investigated whether 24-hour monitoring of corneoscleral limbus area (CSLA) with the Sensimed Triggerfish contact lens sensor (CLS) can be used clinically to assess midterm efficacy of canaloplasty and to assess the relationships of CSLA changes with the heart rhythm. METHODS: Ten eyes of 10 patients, with POAG, which were qualified either to canaloplasty or canaloplasty and phacoemulsification, were included in this study. Eyes were washed out before the surgery and control visits were done at days 1, 7, and 3, 6, 12 months postoperatively, at which subjects were examined...
May 1, 2016: Investigative Ophthalmology & Visual Science
Chen Xin, Xiaoya Chen, Yan Shi, Meng Li, Huaizhou Wang, Ningli Wang
BACKGROUND/AIMS: This study was to explore the 1-year interim efficacy and safety of canaloplasty for primary open-angle glaucoma (POAG) with failed glaucoma filtration surgery (GFS) but an intact Schlemm's canal (SC). METHODS: This was a single-surgeon prospective clinical study. Patients with POAG scheduled for canaloplasty were included and divided into two groups (with or without failed GFS). The status of SC was determined by gonioscopy and ultrasound biomicroscopy...
April 8, 2016: British Journal of Ophthalmology
Claudia Lommatzsch, Carsten Heinz, Arnd Heiligenhaus, Joerg Michael Koch
PURPOSE: Glaucoma is a common vision-threatening complication of uveitis. We investigated the outcome of canaloplasty in patients with chronic uveitis and uncontrolled secondary glaucoma. METHODS: This was a retrospective study of 12 patients with medically uncontrolled secondary glaucoma who underwent canaloplasty (14 treated eyes), with follow-up of ≥ 24 months. The primary outcome measure was complete and qualified (requirement for anti-glaucomatous medication) surgical success rates, as determined by a reduction in intraocular pressure (IOP) and the need for anti-glaucomatous medication...
July 2016: Graefe's Archive for Clinical and Experimental Ophthalmology
Chen Xin, Xiaoya Chen, Yan Shi, Huaizhou Wang, Ningli Wang
PURPOSE: We describe a modified canaloplasty technique and report the short-term efficacy for primary open-angle glaucoma (POAG) patients with disruption of Schlemm canal (SC) wall resulting from prior glaucoma surgery. PATIENTS AND METHODS: This was a single-surgeon prospective cohort study. POAG patients scheduled for canaloplasty were included and divided into 2 groups: group1 included POAG patients without a history of glaucoma surgery and group 2 included POAG patients with failed glaucoma surgery and disrupted SC...
March 29, 2016: Journal of Glaucoma
Stefano A Gandolfi, Nicola Ungaro, Stella Ghirardini, Maria Grazia Tardini, Paolo Mora
The results of canaloplasty (CP) and Hydrus Microstent (HM) implantation were retrospectively compared at 24 months' follow-up in a cohort of subjects referred to our Institution for uncontrolled IOP in primary or secondary (e.g., pseudoexfoliative and pigmentary) open-angle glaucoma. The outcome was labelled as "complete" success, "qualified" success, or "failure" if, two years after surgery, the eyes operated on needed "no" hypotensive medications, "some" hypotensive medications, or further glaucoma surgery to attain the target IOP, respectively...
2016: Journal of Ophthalmology
Matthias C Grieshaber, Hans R Grieshaber, Robert Stegmann
PURPOSE: To evaluate a new canal expander in circumferential viscocanalostomy (canaloplasty) for whites with primary open-angle glaucoma (POAG). DESIGN: Prospective, single-center, noncomparative study. PARTICIPANTS: Twenty-two eyes of 22 consecutive patients with medically uncontrolled POAG underwent primary viscocanalostomy and implantation of the Stegmann Canal Expander into Schlemm canal with a follow-up time of at least 1 year. MATERIALS AND METHODS: Schlemm canal was unroofed ab externo, and dilated with viscoelastic material and microcatheter...
August 2016: Journal of Glaucoma
Gai-yun Li, Samer Alantaree, Jun-ming Wang, Hong Zhang
Ocular decompression retinopathy (ODR), a rare postoperative complication following glaucoma surgery, is characterized by the transient appearance of scattered retinal hemorrhages. Here, we present a unique case of ODR in a patient with primary open angle glaucoma who underwent canaloplasty. A 31-year-old male patient presented with an intraocular pressure (IOP) of 60 mm Hg in the right eye. The IOP remained over 40 mm Hg, even when treated with maximum tolerated antiglaucoma medication. Canaloplasty drastically lowered IOP in the right eye from 40 to 7 mm Hg...
March 2016: Medicine (Baltimore)
Emrah Sapmaz, Battal Tahsin Somuk, Harun Soyalıç, Can Koçak, Erkan Gökçe
In this article, we report a 55-year-old female case was treated with radiotherapy due to nasopharynx carcinoma and diagnosed with bilateral external auditory canal cholesteatoma four years after radiotherapy. Persistent otorrhea was present in the patient and the diagnosis was established through noticing a soft tissue mass eroding external auditory canal anterior wall in temporal bone tomography as well as the otoscopic findings. Canaloplasty and cholesteatoma excision were administered as the surgical treatment...
2016: Kulak Burun Boğaz Ihtisas Dergisi: KBB, Journal of Ear, Nose, and Throat
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