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Related Concept Videos

Diabetic Retinopathy01:27

Diabetic Retinopathy

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DefinitionDiabetic retinopathy is a microvascular complication of diabetes affecting the retinal blood vessels.Risk FactorsDiabetic retinopathy is present in almost all individuals with type 1 diabetes and more than 60% of those with type 2 diabetes after two decades of disease.The risk increases with poor glycemic control, hypertension, dyslipidemia, smoking, pregnancy, and puberty.Although cataracts and glaucoma are also more frequent in people with diabetes, retinopathy remains the leading...
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Related Experiment Video

Updated: May 2, 2026

Subretinal Transplantation of Human Embryonic Stem Cell Derived-retinal Pigment Epithelial Cells into a Large-eyed Model of Geographic Atrophy
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Tetracyclines and Risk of Proliferative Vitreoretinopathy after Rhegmatogenous Retinal Detachment.

Itay Nitzan1, Yossi Eshel1, Tehila Shlomov1

  • 1Faculty of Medicine, Department of Ophthalmology, Hadassah-Hebrew University Medical Center, The Hebrew University of Jerusalem, Jerusalem, Israel.

Ophthalmology. Retina
|April 30, 2026
PubMed
Summary

Systemic tetracycline administration was linked to a reduced risk of proliferative vitreoretinopathy (PVR) after rhegmatogenous retinal detachment (RRD). This suggests tetracyclines may help prevent PVR complications.

Keywords:
DoxycyclineObservational studyProliferative vitreoretinopathyRhegmatogenous retinal detachmentTetracyclines.

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Area of Science:

  • Ophthalmology
  • Pharmacology
  • Retinal Diseases

Background:

  • Rhegmatogenous retinal detachment (RRD) can lead to proliferative vitreoretinopathy (PVR), a major cause of vision loss.
  • Systemic tetracyclines possess anti-inflammatory and anti-fibrotic properties that may mitigate PVR development.

Purpose of the Study:

  • To investigate the association between systemic tetracycline use and PVR-related outcomes in patients with RRD.
  • To determine if tetracycline administration impacts the risk of complex retinal detachment repair, non-diabetic proliferative retinopathy, and tractional retinal detachment.

Main Methods:

  • A retrospective cohort study utilizing a multicenter federated electronic health record network.
  • Propensity score matching was employed to compare 2,886 patients with systemic tetracycline exposure to 2,886 matched controls.
  • Time-to-event analyses, including Kaplan-Meier estimation and Cox proportional hazards models, were used to assess outcomes over a 1-year follow-up period.

Main Results:

  • Systemic tetracycline administration was significantly associated with a lower risk of complex retinal detachment repair (HR, 0.33), non-diabetic proliferative retinopathy (HR, 0.63), and tractional retinal detachment (HR, 0.57).
  • Reoperation rates were also lower in the tetracycline-exposed group (HR, 0.34).
  • Results remained robust across sensitivity analyses, indicating reliability and minimizing concerns of unmeasured confounding.

Conclusions:

  • Systemic tetracycline administration demonstrated a protective association against PVR-related outcomes following RRD.
  • These findings support further investigation into tetracyclines as a potential adjunctive therapy for PVR prevention.