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Chhatwal S, Antony H, Lamei S, Kovács-Öller T, Klettner AK, Zille M. A systematic review of the cell death mechanisms in retinal pigment epithelium cells and photoreceptors after subretinal hemorrhage - Implications for treatment options. Biomed Pharmacother 2023; 167:115572. [PMID: 37742603 DOI: 10.1016/j.biopha.2023.115572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Revised: 09/12/2023] [Accepted: 09/21/2023] [Indexed: 09/26/2023] Open
Abstract
Humans rely on vision as their most important sense. This is accomplished by photoreceptors (PRs) in the retina that detect light but cannot function without the support and maintenance of the retinal pigment epithelium (RPE). In subretinal hemorrhage (SRH), blood accumulates between the neurosensory retina and the RPE or between the RPE and the choroid. Blood breakdown products subsequently damage PRs and the RPE and lead to poor vision and blindness. Hence, there is a high need for options to preserve the retina and visual functions. We conducted a systematic review of the literature in accordance with the PRISMA guidelines to identify the cell death mechanisms in RPE and PRs after SRH to deepen our understanding of the pathways involved. After screening 736 publications published until November 8, 2022, we identified 19 records that assessed cell death in PRs and/or RPE in experimental models of SRH. Among the different cell death mechanisms, apoptosis was the most widely investigated mechanism (11 records), followed by ferroptosis (4), whereas necroptosis, pyroptosis, and lysosome-dependent cell death were only assessed in one study each. We discuss different therapeutic options that were assessed in these studies, including the removal of the hematoma/iron chelation, cytoprotection, anti-inflammatory agents, and antioxidants. Further systematic investigations will be necessary to determine the exact cell death mechanisms after SRH with respect to different blood breakdown components, cell types, and time courses. This will form the basis for the development of novel treatment options for SRH.
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Affiliation(s)
- Sirjan Chhatwal
- Department of Pharmaceutical Sciences, Division of Pharmacology and Toxicology, University of Vienna, Austria
| | - Henrike Antony
- Department of Pharmaceutical Sciences, Division of Pharmacology and Toxicology, University of Vienna, Austria
| | - Saman Lamei
- Department of Pharmaceutical Sciences, Division of Pharmacology and Toxicology, University of Vienna, Austria
| | - Tamás Kovács-Öller
- János Szentágothai Research Centre, University of Pécs, Pécs, Hungary; Institute of Biology, Faculty of Sciences, University of Pécs, Pécs, Hungary
| | - Alexa Karina Klettner
- Department of Ophthalmology, University Medical Center, University of Kiel, Quincke Research Center, Kiel, Germany
| | - Marietta Zille
- Department of Pharmaceutical Sciences, Division of Pharmacology and Toxicology, University of Vienna, Austria.
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Rezar-Dreindl S, Eibenberger K, Buehl W, Maccora K, Waldstein S, Baratsits M, Schmidt-Erfurth U, Sacu S. CLINICAL OUTCOMES OF DIFFERENT SUBTYPES OF NEOVASCULAR AGE-RELATED MACULAR DEGENERATION DURING AFLIBERCEPT TREATMENT. Retina 2021; 41:103-110. [PMID: 32091488 DOI: 10.1097/iae.0000000000002786] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
PURPOSE To prospectively evaluate the outcomes of different subtypes of neovascular age-related macular degeneration during intravitreal aflibercept monotherapy. METHODS Forty-four eyes of 44 patients with treatment-naïve polypoidal choroidal vasculopathy (PCV, n = 12), hemorrhagic choroidal neovascularization (hCNV, n = 12), pigment epithelium detachment (PED, n = 11), or retinal angiomatous proliferation (RAP, n = 9) were included and followed for 12 months. All patients received intravitreal aflibercept monotherapy. RESULTS Mean visual acuity at baseline in PCV was 67 ± 16 Early Treatment Diabetic Retinopathy Study letters (20/50 Snellen equivalent), in hCNV 55 ± 21 (20/80), in RAP lesions 64 ± 11 (20/50), and in PED 74 ± 7 (20/32). At Month 12, visual acuity in PCV was 66 ± 16 (20/50), in hCNV 69 ± 17 (20/40), in RAP 68 ± 12 (20/50), and in PED 69 ± 18 (20/40). At the 12-month follow-up, visual acuity improved or was stable (±5 letters from baseline) in 84% of eyes (37/44 patients), with hCNV showing the greatest mean visual acuity gain. Mean central retinal thickness in patients with PCV was 523 ± 251 µm, in hCNV 497 ± 171, in RAP lesions 573 ± 132, and in PED 541 ± 158 and decreased to 310 ± 91 µm in PCV, 323 ± 75 µm in hCNV, 357 ± 173 µm in RAP lesions, and 422 ± 150 µm in PED. The mean area of atrophy increased from 2.0 ± 3.6 mm2 at baseline to 4.6 ± 8.6 mm2 at Month 12 (mean difference [95% confidence interval] -0.8 [-8.5 to 7.0], P = 0.8), with the greatest atrophy in patients with PED at Month 12. CONCLUSION All subtypes of neovascular age-related macular degeneration showed anatomical improvement and stabilization of visual function during intravitreal treatment.
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SPECKLED HYPOAUTOFLUORESCENCE AS A SIGN OF RESOLVED SUBRETINAL HEMORRHAGE IN NEOVASCULAR AGE-RELATED MACULAR DEGENERATION. Retina 2018; 39:1925-1935. [PMID: 30355956 DOI: 10.1097/iae.0000000000002367] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
PURPOSE To describe patterns of hypoautofluorescence in eyes with neovascular age-related macular degeneration occurring after subretinal hemorrhage. METHODS This was a retrospective descriptive analysis of neovascular age-related macular degeneration eyes presenting with subretinal hemorrhage over the last 5 years that underwent serial multimodal imaging. A review of color fundus photographs, fundus autofluorescence, near-infrared reflectance, and optical coherence tomography was performed at baseline and all available follow-up visits to document the course and evolution of subretinal hemorrhage in these eyes. RESULTS Eleven eyes of 10 patients (9 female, 1 male; mean age: 84.1 years, range: 72-99 years) with a mean follow-up of 19.8 months (range: 3-68 months) were included. Color fundus photographs showed subretinal hemorrhage that resolved over a mean of 5.5 months. During and after hemorrhage resolution, all eyes showed hypoautofluorescence, which appeared distinct from that due to retinal pigment epithelium loss. Discrete multifocal punctate hyperpigmented lesions were observed in 90% of eyes and were markedly hypoautofluorescent, producing a speckled pattern on fundus autofluorescence. CONCLUSION Areas of hypoautofluorescence in the absence of retinal pigment epithelium atrophy, often with a speckled pattern, delineate areas of prior subretinal hemorrhage long after its resolution in patients with neovascular age-related macular degeneration. Potential mechanisms for the development of this pattern are proposed.
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Kim JH, Chang YS, Kim JW, Kim CG, Lee DW. Early Recurrent Hemorrhage in Submacular Hemorrhage Secondary to Type 3 Neovascularization or Retinal Angiomatous Proliferation: Incidence and Influence on Visual Prognosis. Semin Ophthalmol 2018; 33:820-828. [DOI: 10.1080/08820538.2018.1511814] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Jae Hui Kim
- Department of Ophthalmology, Kim’s Eye Hospital, Konyang University College of Medicine, Seoul, South Korea
| | - Young Suk Chang
- Department of Ophthalmology, Konyang University College of Medicine, Daejeon, South Korea
| | - Jong Woo Kim
- Department of Ophthalmology, Kim’s Eye Hospital, Konyang University College of Medicine, Seoul, South Korea
| | - Chul Gu Kim
- Department of Ophthalmology, Kim’s Eye Hospital, Konyang University College of Medicine, Seoul, South Korea
| | - Dong Won Lee
- Department of Ophthalmology, Kim’s Eye Hospital, Konyang University College of Medicine, Seoul, South Korea
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Characteristics of Submacular Hemorrhages in Age-Related Macular Degeneration. Optom Vis Sci 2017; 94:556-563. [DOI: 10.1097/opx.0000000000001066] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Hypertension as a risk factor for recurrent subretinal hemorrhage in polypoidal choroidal vasculopathy. Can J Ophthalmol 2016; 51:348-353. [PMID: 27769325 DOI: 10.1016/j.jcjo.2016.02.012] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2015] [Revised: 02/11/2016] [Accepted: 02/16/2016] [Indexed: 01/13/2023]
Abstract
OBJECTIVE To investigate the relationship between hypertension and recurrent subretinal hemorrhage (SRH) in eyes with polypoidal choroidal vasculopathy (PCV). DESIGN Retrospective, comparative case series. PARTICIPANTS Thirty-eight eyes of 38 patients with PCV. METHODS Ocular findings and clinical features were analyzed retrospectively in patients with PCV enrolled from January 2011 to December 2013. The patients were divided into 2 groups according to the presence of recurrent SRH after successful initial treatment (rebleeding vs nonrebleeding) and were subdivided into those with and without hypertension, based on history of hypertension, systolic blood pressure (SBP) >150 mm Hg. The relationship between hypertension and recurrent SRH was analyzed. RESULTS Thirty-eight patients (38 eyes) were included in this analysis. High SBP or history of hypertension was significantly more frequent in the rebleeding group than in the nonrebleeding group (p = 0.014). Subgroup analysis showed that mean time until recurrent SRH was significantly shorter in the hypertensive group than in the nonhypertensive group (p = 0.025). The cumulative incidence of recurrent SRH at 2 years was 43% in the hypertensive group and 20% in the nonhypertensive group. Cox regression after adjustment for age showed that hypertension was associated with a 3.9-fold greater risk of recurrent SRH (p = 0.039). CONCLUSIONS Recurrent SRH in patients with PCV was more common in hypertensive subjects. Undiagnosed hypertension should be considered when assessing the prognosis of patients with PCV.
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Bouraoui R, Bouladi M, Kort F, Limaiem R, Mghaieth F, El Matri L. [Intravitreal bevacizumab in AMD complicated by submacular hemorrhage]. J Fr Ophtalmol 2016; 39:248-54. [PMID: 26995076 DOI: 10.1016/j.jfo.2015.10.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2015] [Revised: 10/01/2015] [Accepted: 10/21/2015] [Indexed: 10/22/2022]
Abstract
PURPOSE To evaluate functional and anatomic results of intravitreal bevacizumab as monotherapy at 12 and 24 months in patients with neovascular age-related macular degeneration (AMD) complicated by large submacular hemorrhage. METHODS Retrospective analysis of a total of 21 patients (22 eyes) with large submacular hemorrhage secondary to age-related macular degeneration between May 2008 and December 2011. Patients were treated with three monthly intravitreal bevacizumab injections (1.25mg/0.05 mL) at a four to six week interval and then PRN. Retreatment was based on the presence of hemorrhage on fundus examination or signs of activity on optical coherence tomography. Changes from baseline best corrected visual acuity (BCVA) scores, central retinal thickness, volume of hemorrhage and number of injections were analyzed. RESULTS The mean patient age was 72 years (range, 60-89 years). All patients completed at least 12 months of follow-up, and 17 patients fulfilled 24 months. The size of hemorrhage varied from 3 to 9 disc areas with a mean duration of 12.8 days. At baseline, mean initial BCVA was 20/400 (1.3 LogMAR) and improved to 20/160 at 12 months (P<0.001) and 20/164 at 24 months (P<0.001). Mean central retinal thickness decreased significantly from 550 μm to 255 μm at 24 months (P<0.001). The mean number of injections was 3.87 during the first 12 months. No case of recurrent bleeding was detected during the second year. CONCLUSION Intravitreal bevacizumab may be a beneficial approach for the management of large submacular hemorrhage secondary to AMD.
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Affiliation(s)
- R Bouraoui
- Service d'ophtalmologie B, institut Hédi Rais, boulevard 9 Avril, 1006 Tunis, Tunisie; Faculté de médecine de Tunis, université Tunis El Manar, El Manar 1, Tunisie.
| | - M Bouladi
- Service d'ophtalmologie B, institut Hédi Rais, boulevard 9 Avril, 1006 Tunis, Tunisie; Faculté de médecine de Tunis, université Tunis El Manar, El Manar 1, Tunisie
| | - F Kort
- Service d'ophtalmologie B, institut Hédi Rais, boulevard 9 Avril, 1006 Tunis, Tunisie; Faculté de médecine de Tunis, université Tunis El Manar, El Manar 1, Tunisie
| | - R Limaiem
- Service d'ophtalmologie B, institut Hédi Rais, boulevard 9 Avril, 1006 Tunis, Tunisie; Faculté de médecine de Tunis, université Tunis El Manar, El Manar 1, Tunisie
| | - F Mghaieth
- Service d'ophtalmologie B, institut Hédi Rais, boulevard 9 Avril, 1006 Tunis, Tunisie; Faculté de médecine de Tunis, université Tunis El Manar, El Manar 1, Tunisie
| | - L El Matri
- Service d'ophtalmologie B, institut Hédi Rais, boulevard 9 Avril, 1006 Tunis, Tunisie; Faculté de médecine de Tunis, université Tunis El Manar, El Manar 1, Tunisie
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Kim KH, Kim JH, Chang YS, Lee TG, Kim JW, Lew YJ. Clinical Outcomes of Eyes with Submacular Hemorrhage Secondary to Age-related Macular Degeneration Treated with Anti-vascular Endothelial Growth Factor. KOREAN JOURNAL OF OPHTHALMOLOGY 2015; 29:315-24. [PMID: 26457037 PMCID: PMC4595257 DOI: 10.3341/kjo.2015.29.5.315] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2014] [Accepted: 04/14/2015] [Indexed: 11/23/2022] Open
Abstract
Purpose To evaluate the long-term outcomes of intravitreal anti-vascular endothelial growth factor (VEGF) monotherapy for patients diagnosed with submacular hemorrhage secondary to exudative age-related macular degeneration. Methods This retrospective, observational study included 49 patients (49 eyes) who initially presented with submacular hemorrhage associated with exudative age-related macular degeneration and who were followed-up for at least 24 months. Only eyes that were treated with intravitreal anti-VEGF monotherapy were included in the study. Best-corrected visual acuity (BCVA) measurements obtained at diagnosis, six months, and the final visit were compared. The associations of BCVA at the final visit with baseline BCVA, BCVA at six months, symptom duration, hemorrhage extent, and central foveal thickness were also analyzed. Results Over the course of follow-up (mean, 32.1 ± 8.5 months), an average of 5.1 ± 2.2 anti-VEGF injections were administered. Recurrent hemorrhage was noted in 13 eyes (26.5%). The mean logarithm of the minimal angle of resolution BCVA at diagnosis, six months, and the final visit were 1.40 ± 0.52, 0.87 ± 0.64, and 1.03 ± 0.83, respectively. Both baseline BCVA (p = 0.012) and BCVA at six months (p < 0.001) were significantly associated with BCVA at the final visit. Conclusions Improved visual acuity was maintained for more than two years with intravitreal anti-VEGF monotherapy. BCVA at six months is a useful clinical index to predict long-term visual prognosis.
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Affiliation(s)
- Kun Hae Kim
- Department of Ophthalmology, Kim's Eye Hospital, Konyang University College of Medicine, Seoul, Korea
| | - Jae Hui Kim
- Department of Ophthalmology, Kim's Eye Hospital, Konyang University College of Medicine, Seoul, Korea
| | - Young Suk Chang
- Department of Ophthalmology, Konyang University College of Medicine, Daejeon, Korea
| | - Tae Gon Lee
- Department of Ophthalmology, Kim's Eye Hospital, Konyang University College of Medicine, Seoul, Korea
| | - Jong Woo Kim
- Department of Ophthalmology, Kim's Eye Hospital, Konyang University College of Medicine, Seoul, Korea
| | - Young Ju Lew
- Department of Ophthalmology, Kim's Eye Hospital, Konyang University College of Medicine, Seoul, Korea
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Lazzeri S, Figus M, Sartini MS, Scarinci F, Casini G, Guidi G, Cupo G, Cacciamani A, Fasanella V, Agnifili L, Piaggi P, Varano M, Ripandelli G, Nardi M, Parravano M. Intravitreal Ranibizumab for Predominantly Hemorrhagic Choroidal Neovascularization in Age-Related Macular Degeneration. Ophthalmologica 2015; 233:74-81. [DOI: 10.1159/000371393] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2014] [Accepted: 12/04/2014] [Indexed: 11/19/2022]
Abstract
Purpose: To evaluate the effects of intravitreal ranibizumab monotherapy on predominantly hemorrhagic choroidal neovascularization with foveal involvement associated with age-related macular degeneration. Materials and Methods: Twenty-two consecutive eyes with hemorrhagic neovascularization were treated with 3 monthly intravitreal ranibizumab injections. Additional injections were administered according to retreatment criteria during 12 months of follow-up. Results: A mean of 6.64 ± 1.36 injections was administered. Overall, the mean visual acuity increased from 10.90 ± 6.02 to 12.81 ± 8.34 ETDRS letters (p > 0.05) at 12 months. The ‘early treatment group' gained a mean of 2.83 ± 2.24 ETDRS letters (p < 0.05), while the ‘late treatment group' gained a mean of 0.30 ± 1.25 ETDRS letters (p > 0.05) with significant differences between the groups (p < 0.05). A progressive resolution of macular bleeding was registered in 20 patients (mean time: 5.3 ± 1.6 months). Conclusions: Ranibizumab injections can be considered a beneficial approach for the management of predominantly hemorrhagic choroidal neovascularization with foveal involvement associated with age-related macular degeneration. Furthermore, the time interval between hemorrhage and the first injection seems to be an important predicting factor of final visual acuity.
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