Development of visual acuity under hyperbaric oxygen treatment (HBO) in non arteritic retinal branch artery occlusion

Schmidt, Ilka; Walter, Peter; Siekmann, Ullrich; Plange, Niklas; Koutsonas, Antonis; Mazinani, Babac; Kuerten, David

doi:10.1007/s00417-019-04568-9

Cited by 16 publications

(5 citation statements)

References 48 publications

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“…Previous studies have shown that HBO treatment is a safe, manageable, low-cost, and effective treatment for retinal artery occlusion [ 7 ]. HBO treatment have an effect on visual outcome in patients with BRAO [ 18 ]. HBO treatment causes an increased solubility of oxygen of the blood (from 0.3 up to 6 vol%) [ 19 ], which is important for the choroidal vasculature delivering more oxygen to the retinal [ 20 ].…”

Section: Discussionmentioning

confidence: 99%

Branch retinal artery occlusion secondary to high-altitude exposure and diabetic retinopathy: a case report

Xue¹,

Wang²,

Wang³

et al. 2020

BMC Ophthalmol

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Background To report a case of branch retinal artery occlusion (BRAO) secondary to high-altitude exposure and diabetic retinopathy (DR), and to characterize the retinal changes before and after hyperbaric oxygen (HBO) treatment. Case presentation We present a case of a 42-year-old man with DR who travelled to Tibet (in China, 3800 m/12467 ft. above mean sea level). The day after the end of his journey, the patient presented with acute, painless visual loss and visual field loss in his left eye. He was then diagnosed with BRAO, which is an acute blockage of blood flow. After HBO treatment, visual acuity and visual field were improved. Conclusions High-altitude exposure and DR may be considered as relevant risk factors for BRAO. The ophthalmologist should be aware that the BRAO might be a rare presenting sign of high-altitude retinopathy (HAR), particularly in patients with DR. HBO treatment can be considered as a choice for ophthalmologists on treatment against BRAO.

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Section: Discussionmentioning

confidence: 99%

Branch retinal artery occlusion secondary to high-altitude exposure and diabetic retinopathy: a case report

Xue¹,

Wang²,

Wang³

et al. 2020

BMC Ophthalmol

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“…Patients with acute visual loss arising from branch retinal artery occlusion (BRAO) or cilioretinal artery occlusion were excluded, although evidence supporting HBOT to treat BRAO is increasing. 14 Patients were treated by a multidisciplinary team of internal medicine physicians and emergency department HBOT practitioners.…”

Section: Methodsmentioning

confidence: 99%

Efficacy and safety of hyperbaric oxygen therapy for acute central retinal artery occlusion in Hong Kong: results of the first 3 years

Chong

Leow

et al. 2022

Hong Kong Journal of Ophthalmology

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Purpose: To review the efficacy and safety of hyperbaric oxygen therapy (HBOT) for central retinal artery occlusion (CRAO) in Hong Kong patients. Methods: Patients diagnosed with CRAO with symptom onset ≤6 hours who failed emergency bedside ocular treatment were referred to a course of HBOT. Changes in best-corrected visual acuity (VA) after HBOT and adverse effects and complications of HBOT were recorded. Changes in best-corrected VA between the pre-COVID-19 group and the COVID-19-pandemic group were compared. Results: 34 men and 26 women with CRAO aged 27 to 89 years were included for analysis. The mean follow-up period was 169±226 days. The mean number of HBOT sessions received was 8.6±3.2. The mean best-corrected VA improved from 2.02±0.36 to 1.53±0.61 logMAR after HBOT (p<0.00001). 65% of patients had improvement and 33.3% had no improvement. VA changes between the pre-COVID-19 group (n=22) and COVID-19-pandemic group (n=38) were comparable (-0.53±0.58 vs -0.46±0.57 logMAR, p=0.59), despite a delay in hospital attendance. 41.7% of patients failed to equalize the pressure during treatment requiring myringotomy or even grommet insertion. 20% of patients had barotrauma. Other adverse events included convulsion, confusion, sinus pain, and hypoglycemia. Conclusion:In patients with CRAO, HBOT may be effective in improving best-corrected VA, even during the COVID-19 pandemic.

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“…Schmidt et al [ 8 ] compared two groups of non-arteritic retinal BRAO patients in a non-randomized retrospective study: one received HBOT, the other hemodilution alone (control). Both groups had 14 patients with matched initial VA levels.…”

Section: Hbot In Retinal Diseasesmentioning

confidence: 99%

“…Their review suggested that the effectiveness of HBOT in these disorders varies owing to differences in the time interval between the onset of symptoms and initiation of HBOT. However, numerous studies have demonstrated the efficacy and versatility of hyperbaric therapy in ophthalmology since the publication of this article [ 3 , 6 , 7 , 8 , 9 , 10 , 11 , 12 ]. Our review provides an updated overview of the most recent indications for HBOT in ophthalmology.…”

Section: Introductionmentioning

confidence: 99%

Hyperbaric Oxygen Therapy in Ophthalmology: A Narrative Review

Micun,

Dobrzyńska,

Sieśkiewicz

et al. 2023

JCM

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Hyperbaric oxygen therapy (HBOT) has been used for the past 50 years for conditions such as decompression disease and wound healing. It has promising effects in the treatment of vision-threatening diseases, such as retinal artery occlusion, retinal vein occlusion, diabetic macular edema, and acute optic neuropathy; however, HBOT has not been approved for use in these conditions by regulatory authorities. This paper provides an overview of the theoretical effectiveness and most recent indications for HBOT in ophthalmology. The fundamental aspects of the physiology of choroidal circulation and metabolism are provided together with the clinical aspects that should be accounted for when selecting patients for this therapy. The paper also presents case reports of when HBOT was successfully implemented. The goals of this review were to explore the indications and benefits of HBOT and to evaluate the effectiveness of HBOT as an intervention in treating ophthalmology disorders. Lastly, the paper details the side-effects and discusses the safety issues of HBOT.

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Development of visual acuity under hyperbaric oxygen treatment (HBO) in non arteritic retinal branch artery occlusion

Cited by 16 publications

References 48 publications

Branch retinal artery occlusion secondary to high-altitude exposure and diabetic retinopathy: a case report

Branch retinal artery occlusion secondary to high-altitude exposure and diabetic retinopathy: a case report

Efficacy and safety of hyperbaric oxygen therapy for acute central retinal artery occlusion in Hong Kong: results of the first 3 years

Hyperbaric Oxygen Therapy in Ophthalmology: A Narrative Review

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