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1.
J Vitreoretin Dis ; 8(1): 105-110, 2024.
Article in English | MEDLINE | ID: mdl-38223777

ABSTRACT

Purpose: To present 7 cases of West Nile virus (WNV)-related chorioretinitis in Arizona. Methods: Retina clinic charts with the terms "chorioretinitis" and "West Nile" were selected from April 1, 2012, to February 1, 2023. Results: Seven patients with initial visits between August 2019 and February 2023 were included. The majority of WNV chorioretinitis cases were seen in the last 4 years of the selected dates. Only 1 patient presented before this time but was excluded for inadequate baseline testing. All 7 patients had hospitalization for neuroinvasive disease before clinical presentation. All patients achieved a final visual acuity of 20/25 to 20/70. Conclusions: In the last 4 years of the study period, an uptrend in WNV chorioretinitis was found in our retina clinics in Arizona, reflecting the overall rise in WNV outbreaks across the state. As WNV continues to rise, the eye specialist should have high suspicion for WNV ocular disease, even in states where WNV had been an uncommon entity.

2.
Curr Opin Ophthalmol ; 33(3): 137-146, 2022 May 01.
Article in English | MEDLINE | ID: mdl-35266893

ABSTRACT

PURPOSE OF REVIEW: This review highlights the complications of both intravitreal injection procedure as well as different intravitreal medications including antivascular endothelial growth factors, antibiotics, antivirals, antifungals, methotrexate, and steroids. Techniques for reducing rates of endophthalmitis will also be discussed. RECENT FINDINGS: Intravitreal vancomycin can cause hemorrhagic occlusive retinal vasculitis resulting in severe vision loss. Intravitreal brolucizumab is associated with intraocular inflammation and retinal vasculitis resulting in significant vision loss. Face mask use by both patient and physician is not associated with increased risk of endophthalmitis and may decrease culture positive endophthalmitis. SUMMARY: Intravitreal injections continue to be one of the most commonly performed procedures by ophthalmologists. Although the injections are generally well tolerated, sight-threatening complications can occur including endophthalmitis, retinal detachment, and/or retinal vasculitis. Adverse events associated with specific medications are outlined below. Several safety measures have been shown to reduce rates of endophthalmitis, the most concerning complication of this procedure.


Subject(s)
Endophthalmitis , Eye Infections, Bacterial , Retinal Vasculitis , Angiogenesis Inhibitors/adverse effects , Anti-Bacterial Agents , Endophthalmitis/etiology , Endophthalmitis/prevention & control , Eye Infections, Bacterial/etiology , Humans , Intravitreal Injections , Retina , Retinal Vasculitis/chemically induced , Retrospective Studies , Vancomycin
3.
Br J Ophthalmol ; 106(12): 1742-1747, 2022 12.
Article in English | MEDLINE | ID: mdl-34183325

ABSTRACT

BACKGROUND/AIMS: To evaluate the outcomes of eyes with macular oedema due to retinal vein occlusion (RVO) that are lost to follow-up (LTFU) after antivascular endothelial growth factor (VEGF) injections. METHOD: A retrospective, single-centre, consecutive case series of RVO patients receiving injections who were LTFU >6 months was conducted. Data were collected from the visit before LTFU; return visit; 3 months, 6 months and 12 months after return; and the final visit. RESULTS: Ninety eyes of 83 patients were included. Fifty (55.5%) eyes had branch RVO and 40 (44.5%) had central RVO. Mean LTFU duration was 277.8 days with additional mean follow-up for 748.1 days after return. Mean logarithm of the minimum angle of resolution visual acuity (VA) (Snellen) at the visit before LTFU was 0.72 (20/105) which worsened on return [1.04 (20/219), p<0.001) and remained worse at all timepoints after return: 0.92 (20/166) at 3 months (p<0.001), 0.97 (20/187) at 6 months (p<0.001), 0.94 (20/174) at 12 months (p<0.001) and 1.01 (20/205) at final visit (p<0.001). Mean central foveal thickness (CFT) increased from 252 µm at the visit before LTFU to 396 µm at the return visit (p<0.001). No difference in CFT was noted by 3 months (258 µm, p=0.71), 6 months (241 µm, p=0.54) or 12 months after return (250 µm, p=0.95). CFT was thinner at the final visit (215 µm, p=0.018). CONCLUSION: RVO patients receiving anti-VEGF injections who were LTFU experienced a decline in VA that did not return to the levels seen before LTFU despite improvement in CFT after restarting therapy, underscoring the importance of ongoing treatment.


Subject(s)
Retinal Vein Occlusion , Humans , Retinal Vein Occlusion/complications , Retinal Vein Occlusion/diagnosis , Retinal Vein Occlusion/drug therapy , Endothelial Growth Factors , Ranibizumab/therapeutic use , Bevacizumab/therapeutic use , Retrospective Studies , Lost to Follow-Up , Intravitreal Injections , Vascular Endothelial Growth Factor A , Tomography, Optical Coherence , Angiogenesis Inhibitors/therapeutic use
4.
Am J Ophthalmol ; 222: 271-276, 2021 02.
Article in English | MEDLINE | ID: mdl-33002487

ABSTRACT

PURPOSE: To evaluate the incidence of unexpected management changes on the first day after pars plana vitrectomy (PPV) for retinal detachment repair. DESIGN: Retrospective cohort study. METHODS: The medical and billing records of a large academic private practice were electronically queried for all cases of PPV for retinal detachment performed between January 1, 2017, and December 31, 2017. All cases of PPV for rhegmatogenous or tractional retinal detachment with completed postoperative day 1 (POD1) and postoperative week 1 (POW1) visits were included. The preoperative consultation, operative report, and POD1 and POW1 (postoperative days 5-14) visits were reviewed. Main outcome measures were incidence of unexpected management changes (change in or extended positioning, additional procedure, change in drop regimen, or shortened interval follow-up) at the POD1 visit after uncomplicated PPV for retinal detachment. RESULTS: Overall, 418 surgeries from 364 eyes and 355 patients were included. Eleven cases (2.6%) had an intraocular pressure (IOP) over 30 mm Hg at POD1. IOP-lowering drops were prescribed for 30 cases (7.2%). Silicone oil tamponade was positively associated with high IOP at POD1 (relative risk = 3.23, 95% confidence interval 0.96-10.84, P = 0.06). No additional management changes were made besides treating elevated IOP. CONCLUSIONS: Management changes on POD1 after vitrectomy for retinal detachment repair are relatively uncommon and were solely IOP related in this patient group. There may be flexibility regarding the type of POD1 encounter necessary, including an IOP check with an ophthalmic technician or non-retinal eye care provider. Larger, prospective studies are needed to better determine the most efficient follow-up routine.


Subject(s)
Disease Management , Postoperative Complications/epidemiology , Retinal Detachment/surgery , Visual Acuity , Vitrectomy/methods , Female , Follow-Up Studies , Humans , Incidence , Intraocular Pressure , Male , Middle Aged , Postoperative Complications/therapy , Retinal Detachment/diagnosis , Retrospective Studies , United States/epidemiology
5.
Can J Ophthalmol ; 55(4): 286-292, 2020 08.
Article in English | MEDLINE | ID: mdl-32204888

ABSTRACT

Although intravitreal injections of anti-vascular endothelial growth factor medications are generally safe and effective, endophthalmitis remains a rare but potentially devastating complication. This review evaluates recent evidence for prophylactic strategies to prevent postinjection endophthalmitis. Povidone-iodine applied to the ocular surface before injection remains the most effective technique to prevent infection although aqueous chlorhexidine may be an acceptable alternative. Minimizing oral flora exposure, particularly with a no-talking policy, has been shown to reduce endophthalmitis rates. Recent studies of prefilled syringes suggest that the technology significantly lowers the risk of injection, likely by eliminating the transfer of medication from a storage vial to a syringe. Avoiding lid or lash touch during the injection process is an important tool to decrease patient risk, although this may be accomplished with manual lid retraction rather than a lid speculum. Same-day bilateral intravitreal injections have been shown to be safe. Several other strategies have not shown efficacy. The use of drapes or gloves, the clinical setting of injection administration, and ocular location of injection do not appear to affect infection rates. Topical prophylactic antibiotics do not reduce the risk of endophthalmitis and should not be routinely used.


Subject(s)
Endophthalmitis , Eye Infections, Bacterial , Angiogenesis Inhibitors/adverse effects , Anti-Bacterial Agents/therapeutic use , Bevacizumab/adverse effects , Endophthalmitis/drug therapy , Endophthalmitis/etiology , Endophthalmitis/prevention & control , Eye Infections, Bacterial/drug therapy , Eye Infections, Bacterial/etiology , Eye Infections, Bacterial/prevention & control , Humans , Intravitreal Injections , Ranibizumab/therapeutic use , Retrospective Studies , Vascular Endothelial Growth Factor A
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