Keyvan Koushan, MD, FRCSC

The Retina Channel Podcast

Health EN ↓ 97 episodes

A journal club to review recent journal articles in the field of retina. The target audience are retina specialists and other healthcare professionals who want to stay up-to-date with the latest publications in the field of retina.

Author

Keyvan Koushan, MD, FRCSC

Category

Health

Podcast website

www.theretinachannel.com

Latest episode

Jun 15, 2026

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Episodes

E47-Nondamaging Retinal Laser for Mac Tel Type II- Dr. Daniel Lavinsky 13.03.2021

Dr. Daniel Lavinsky describes the results of a small randomized controlled clinical trial investigating functional and anatomical outcomes of using nondamaging retinal laser for the treatment of macular telangiectasia type II. The discussed article: Lavinsky D, Silva MOD, Chaves AE, Schneider WFM, Lavinsky F, Palanker D. FUNCTIONAL AND STRUCTURAL EFFECTS OF NONDAMAGING RETINAL LASER THERAPY FOR MA...

E46- DRCR Protocol AB. Anti-VEGF vs PPV for PDR w Vit Heme-Dr. Andrew Antoszyk 13.02.2021

Dr. Antoszyk from the DRCR Retina Network discusses Protocol AB, which compared anti-VEGF injections vs immediate pars plana vitrectomy for the treatment of vitreous hemorrhage due to proliferative diabetic retinopathy. The discussed article: Antoszyk AN, Glassman AR, Beaulieu WT, Jampol LM, Jhaveri CD, Punjabi OS, Salehi-Had H, Wells JA 3rd, Maguire MG, Stockdale CR, Martin DF, Sun JK; DRCR Retin...

E45- Stress in Medicine- Book Club with Dr. Nina Ahuja 27.01.2021

Dr. Nina Ahuja (@docsleadership) discusses her newly published booked titled "Stress in Medicine, Lessons Learned Through my Years as a Surgeon, from Med School to Residency, and Beyond". In an intimate account of her journey through her medical career, Dr. Ahuja discusses some of hardships and difficulties that she has gone through with the goal of bringing more transparency to the medical educat...

E44- Representation of Women in Vitreoretinal Meetings- Dr. Jay Sridhar 24.12.2020

Dr. Sridhar (host of the Straight from the Cutter's Mouth podcast) discusses his recent article on the trends of women's representation in VR meetings in the US between 2015 and 2019. The discusses article:  Sridhar J, Kuriyan AE, Yonekawa Y, Berrocal A, Khan MA, Chan RVP, Haller JA. Representation of Women in Vitreoretinal Meeting Faculty Roles from 2015 through 2019. Am J Ophthalmol. 2021 Jan;22...

E43- Retinal Findings in Hospitalized COVID-19 Patients- Dr. Leonardo Pereira 03.12.2020

Dr. Pereira speaks about his group's report on retinal findings in patients with severe COVID-19 infections who were admitted in the ICU. Discussed article: Pereira LA, Soares LCM, Nascimento PA, et al. Br J Ophthalmol Epub ahead of print: [please include Day Month Year]. doi:10.1136/bjophthalmol- 2020-317576

E42-Peripheral Exudative Hemorrhagic Chorioretinopathy- Dr. Federico Zicarelli 02.11.2020

Dr. Zicarelli discusses his group's 10-yr retrospective analysis on the prognostic factors associated with Peripheral exudative hemorrhagic chorioretinpathy.  Discussed article: Zicarelli F, Preziosa C, Staurenghi G, Pellegrini M. Peripheral exudative haemorrhagic chorioretinopathy: a widefield imaging study. Br J Ophthalmol. 2020 Sep 3:bjophthalmol-2020-317083. doi: 10.1136/bjophthalmol-2020-3170...

E41- Treatment of Secondary Macular Holes with Topical Therapy- Dr. John Niffenegger 05.10.2020

Dr. Niffenegger discusses a case series of secondary macular hole treatment with topical therapy. Discussed article: Niffenegger JH, Fong DS, Wong KL, Modjtahedi BS. Treatment of Secondary Full-Thickness Macular Holes with Topical Therapy. Ophthalmol Retina. 2020 Jul;4(7):695-699. doi: 10.1016/j.oret.2020.01.014. Epub 2020 Jan 28. PMID: 32284268.  

E40-Retinal Vasculitis and Intraocular Inflammation with Brolucizumab - Dr. Caroline Baumal 07.09.2020

Dr. Baumal discusses features and outcomes of eyes with retinal vasculitis and intraocular inflammation after intravitreal injection of brolucizumab for treatment of neovascular age-related macular degeneration. Discussed article:  Baumal CR, Spaide RF, Vajzovic L, et al. Retinal Vasculitis and Intraocular Inflammation after Intravitreal Injection of Brolucizumab [published online ahead of print,...

E39- Slit Lamp Shields and Face Masks for COVID-19. Dr. Victor Koh 22.08.2020

Dr. Koh from Singapore National University Hospital discusses his team's simulation study on aerosol transmission through slit lamp shields and face masks.  Discussed article:  Chuan OS, Bin Razali MA, Shaffiee L, Xing YJ, Yin Fei TT, Chee LS, Koh V, Do slit lamp shields and face masks protect ophthalmologists amidst COVID-19?, Ophthalmology (2020), doi: https://doi.org/10.1016/j.ophtha.2020.06.03...

E38-Retinal Biomarkers of Alzheimer's Disease- Drs. Cecilia Lee and Rajendra Apte 14.07.2020

Drs. Lee and Apte discuss their recent paper on our current understanding of using retinal imaging biomarkers to evaluate Alzheimer's disease. Discussed article: Lee CS, Apte RS, Retinal Biomarkers of Alzheimer's Disease, American Journal of Ophthalmology (2020), doi: https://doi.org/10.1016/j.ajo.2020.04.040.  

E37- Retinal Detachment Rates after Intravitreal Anti-VEGF Injections- Dr. Omesh Gupta 08.06.2020

Dr. Gupta discusses findings of this large retrospective study on the risk and associations of rhegmatogenous retinal detachment after intravitreal anti-VEGF injections. Discussed article:  Storey PP, Pancholy M, Wibbelsman TD, et al. Rhegmatogenous Retinal Detachment after Intravitreal Injection of Anti-Vascular Endothelial Growth Factor. Ophthalmology . 2019;126(10):1424‐1431. doi:10.1016/j.opht...

E36- COVID-19 and Preparedness among Ophthalmologists- International Panel Discussion. Drs. Dan Ting, Olivia Li and Steven Yeh 20.04.2020

In a panel discussion with Dr. Koushan, Drs. Daniel Ting, Olivia Li and Steven Yeh discuss the preparedness of ophthalmologists in the COVID-19 crisis. The discussion is based on the most recent Ophthalmology editorial: Preparedness among Ophthalmologists: During and Beyond the COVID-19 Pandemic. Olivia Li, Ji-PengWong, Tien Y.Wong, Edmund Y.Mehta, JodLin, HaotianLin, XiaofengStrouthidis, Nicholas...

E35- COVID-19 Mortality and Public Mask Usage- Dr. Christopher Leffler 06.04.2020

Dr. Leffler discusses his team's analysis of the country-wide mortality from COVID-19 pandemic and its correlation with mask usage by the public. Full reference: Leffler CT, Ing E, McKeown CA, Pratt D, Grzybowski A. Final Country-wide Mortality from the Novel Coronavirus (COVID-19) Pandemic and Notes Regarding Mask Usage by the Public. April 4, 2020. Available from: researchgate.net.   

E34- Progression of glaucoma after anti-VEGF injections in susceptible eyes- Dr. Eugene Shildkrot 29.03.2020

Dr. Shildkrot discusses progression of glaucomatous changes in 28 eyes that were receiving anti-VEGF injections. Discussed article: Effects of Intravitreal Anti-VEGF Therapy on Glaucoma-like Progression in Susceptible Eyes, Du, Jeanette MD; Patrie, James T ; Prum, Bruce E.; Netland, Peter A.; Shildkrot, Yevgeniy (Eugene) MD,   Journal of Glaucoma: December 2019 - Volume 28 - Issue 12 - p 1035-1040...

LEAVO Trial - Comparison of Anti-VEGF drugs for Macular Edema Secondary to CRVO- Dr. Philip Hykin. 27.02.2020

Dr. Philip Hykin discusses the LEAVO trial which was a large prospective trial comparing the efficacy of three main anti-VEGF intravitreal injections (bevacizumab, ranibizumab and aflibercept) for treating macular edema secondary to Central Retinal Vein Occlusion. The discussed article: Clinical Effectiveness of Intravitreal Therapy With Ranibizumab vs Aflibercept vs Bevacizumab for Macular Edema...

E32-Change in Management after Vitreous Culture in Endophthalmitis after Intravitreal Injections-Dr. James Vander 28.01.2020

Dr. Vander from Wills Eye Hospital discusses the effect of vitreous tap on the management of 60 cases of endophthalmitis post intravitreal anti-VEGF injections. The discussed article:  Changes in Management Based on Vitreous Culture in Endophthalmitis After Intravitreal Anti-vascular Endothelial Growth Factor Injection. Patel SN, Storey PP, Pancholy M, Obeid A, Wibbelsman TD, Levin H, Hsu J, Garg...

E31- FLUID Study - Dr. Robyn Guymer 10.12.2019

Dr. Guymer discusses the results of the FLUID study which investigated whether some residual sub retinal fluid can be tolerated in neovascular macular degeneration.  Full reference: Tolerating Subretinal Fluid in Neovascular Age-Related Macular Degeneration Treated with Ranibizumab Using a Treat-and-Extend Regimen. Guymer, Robyn H.Chang, Andrew et al. Ophthalmology, Volume 126, Issue 5, 723 - 734

E30-Clinical Predictors of Low-Risk Histopathology for Retinoblastoma- Dr. Sameh Soliman 29.10.2019

Dr. Soliman discusses his team's analysis of clinical predictors of low histopathology in eyes that were enucleated because of retinoblastoma. The goal of the study is to find clinical indicators in retinoblastoma that could be used to salvage eyes via eye-preserving treatment methods instead of enucleation. 

E29-Anti-VEGF Levels in Breast Milk after Intravitreal Injections-Drs. Muni and Juncal 14.09.2019

Drs. Muni and Juncal discuss their case series on the level of anti-VEGF drugs and VEGF-A levels on lactating mothers who had received intravitreal anti-VEGF injections.   Reference for the article: Ranibizumab and Aflibercept Levels in Breast Milk after Intravitreal Injection; Verena R. Juncal,Quratulain Paracha,Motaz Bamakrid, ,Carolina L.M. Francisconi, Julia Farah, Amin Kherani ,Rajeev H. Muni...

E28-Brolucizumab for wet AMD (HAWK and HARRIER)- Dr. Pravin Dugel 02.09.2019

Dr. Dugel discusses 1 and 2 year results of HAWK and HARRIER on Brolucizumab for neovascular AMD.  Full reference:  Dugel, P. U., Koh, A., Ogura, Y., Jaffe, G. J., Schmidt-Erfurth, U., Brown, D. M., . . . Investigators, H. S. (2019). HAWK and HARRIER: Phase 3, Multicenter, Randomized, Double-Masked Trials of Brolucizumab for Neovascular Age-Related Macular Degeneration. Ophthalmology . doi:10.1016...

E27-DRCR Protocol V Results- Anti-VEGF vs Focal Laser vs Observation for DME in Eyes with Very Good Vision- Dr. Jennifer Sun 22.07.2019

Dr. Sun discusses Protocol V results that investigated efficacy of 3 treatment approaches for DME in eyes with vision of 20/25 or better: aflibercept injections, focal laser, or observation. Reference to the publication:  Baker CW, Glassman AR, Beaulieu WT, Antoszyk AN, Browning DJ, Chalam KV, Grover S, Jampol LM, Jhaveri CD8, Melia M, Stockdale CR, Martin DF, Sun JK; DRCR Retina Network. Effect o...

E26-Autologous Retinal Transplant for Refractory Macular Holes-Dr. Tamer Mahmoud 03.06.2019

Dr. Tamer Mahmoud discusses an innovative surgical method for closure of refractory macular holes using autologous retinal transplants.  Full reference of the discusses article: Grewal, D. S., Charles, S., Parolini, B., Kadonosono, K., & Mahmoud, T. H. (2019). Autologous Retinal Transplant for Refractory Macular Holes: Multicenter International Collaborative Study Group. Ophthalmology . doi:10.101...

E25-RIVAL Study: Ranibizumab vs Aflibercept in T&E for wet AMD- Dr. Mark Gillies 22.04.2019

Dr. Mark Gillies from Sydney, Australia discusses 2-year results of the RIVAL Study which investigated rates of geographic atrophy and visual acuity changes in patients with wet AMD.   Full reference:  Gillies, M. C., Hunyor, A. P., Arnold, J. J., Guymer, R. H., Wolf, S., Ng, P., . . . McAllister, I. L. (2019). Effect of Ranibizumab and Aflibercept on Best-Corrected Visual Acuity in Treat-and-Exte...

E24-Acute Retinal Angiographic Changes with Intravitreal Injections-Dr. Richard Rosen 31.03.2019

Dr. Richard Rosen discusses a review of perfusion density changes (measured by OCT-Angiography) as measured before and immediately after intravitreal injections.  Full reference of the article: Barash, A., Chui, T. Y. P., Garcia, P., & Rosen, R. B. (2019). Acute Macular and Peripapillary Angiographic Changes with Intravitreal Injections. Retina . doi:10.1097/IAE.0000000000002433  

E23- CANTREAT Study. Ranibizumab Monthly vs Treat-and-Extend for wAMD - Dr. Peter Kertes 22.02.2019

Dr. Peter Kertes discusses the publication of the first year results of the CANTREAT study that investigates monthly vs treat-and-extend dosing of ranibizumab for wet AMD.    Full reference: Kertes, P. J., Galic, I. J., Greve, M., Williams, R. G., Rampakakis, E., Scarino, A., & Sheidow, T. (2019). Canadian Treat and Extend Analysis Trial with Ranibizumab in Patients with Neovascular Age-related Ma...

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