Evidence map›Paper›PMID 42012258›Full record

ArticleTranslational vision science & technology2026

Macular, Peripapillary, and Midperipheral Nonperfusion in Diabetic Subjects: A Wide-Field OCTA Quantification.

Luisa Frizziero, Giulia Midena, Luca Danieli, Tommaso Torresin, Antonio Perfetto, Clara Cordero, Edoardo Midena, Elisabetta Pilotto

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Article in Translational vision science & technology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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4 · The record

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5 · Who and what money

Authors and funding

8 authors.

Luisa FrizzieroDepartment of Ophthalmology, University of Padova, Padova, Italy.
Giulia MidenaIRCCS - Fondazione Bietti, Rome, Italy.
Luca DanieliDepartment of Ophthalmology, University of Padova, Padova, Italy.
Tommaso TorresinDepartment of Ophthalmology, University of Padova, Padova, Italy.
Antonio PerfettoDepartment of Ophthalmology, University of Padova, Padova, Italy.
Clara CorderoDepartment of Ophthalmology, University of Padova, Padova, Italy.
Edoardo MidenaDepartment of Ophthalmology, University of Padova, Padova, Italy.
Elisabetta PilottoDepartment of Ophthalmology, University of Padova, Padova, Italy.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Purpose: To identify and quantify the correlation between geometric perfusion deficit (GPD), a direct optical coherence tomography angiography (OCTA) metric of nonperfusion, in the macular, peripapillary, and midperipheral retina in diabetic patients, using widefield swept-source OCTA. Methods: Diabetic patients, with and without diabetic retinopathy (DR), underwent widefield swept-source OCTA imaging of the macula, peripapillary area, and four midperipheral retinal regions. GPD was calculated for each area, in macula both excluding (GPD) and including (GPDf) the foveal avascular zone. Correlations of GPD between regions were assessed. Results: We analyzed 197 diabetic eyes. A moderate-to-strong positive correlation was observed between macular and midperipheral GPD in both the superficial capillary plexus (SCP) and deep capillary plexus (DCP). The radial peripapillary capillary plexus (RPCP) also showed moderate correlations with midperipheral SCP and DCP. Subgroup analysis revealed that in both DR and no DR eyes, macular and midperipheral GPD and GPDf in SCP and DCP were significantly correlated. RPCP showed significant correlation with midperipheral DCP in DR eyes and with SCP in both groups. Conclusions: In diabetic patients, GPD in the macular SCP and DCP, as well as in the RPCP, correlates positively with perfusion deficits in the midperiphery. Translational Relevance: Optical coherence tomography angiography-based assessment of macular and peripapillary perfusion deficits enables noninvasive monitoring and may facilitate the early detection of peripheral vascular alterations in diabetic retinopathy, thus optimizing the diagnostic workflow for diabetic patients.

Indexed as

Diabetic RetinopathyMacula LuteaRetinal VesselsTomography, Optical CoherenceAgedCapillariesFemaleFluorescein AngiographyHumansMaleMiddle Aged

Identifiers

PMID42012258
PMCPMC13104787

What Socratic holds

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LicenceCC BY-NC-ND
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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.