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Intravitreal bevacizumab in retinopathy of prematurity: an interventional case series.

04:49 EDT 23rd May 2013 | BioPortfolio

Summary of "Intravitreal bevacizumab in retinopathy of prematurity: an interventional case series."


BACKGROUND:
To evaluate the results of intravitreal bevacizumab in terms of regression of retinopathy of prematurity (ROP).
METHODS:
In this interventional case series, 12 eyes from January 2007 to December 2008 were included. Two groups of patients were considered. Group 1 included those ROP patients who did not respond to conventional laser therapy within 3 weeks or had some complications (hyphema or vitreous hemorrhage) after conventional laser therapy; intravitreal injection (0.625 mg) was performed as an adjuvant therapy. Group 2 included those with aggressive posterior ROP who received single intravitreal bevacizumab injection as the initial treatment.
RESULTS:
Ten eyes of 12 patients with mean gestational age of 28.5 (range: 26-32) weeks and birth weight of 1,218 grams (range: 900-1,630) were included in the study. Mean conceptional age at the time of first visit was 40 weeks (30-48 weeks). All the patients had a history of supplemental oxygen. Eight patients (26.3%) were under mechanical ventilation. Eight eyes received bevacizumab after conventional laser therapy (group 1). Four eyes received intravitreal bevacizumab as the initial therapy (group 2). All of the patients were followed up for at least 1 year. All patients in group 1 responded to this adjuvant (intravitreal bevacizumab) treatment within 1 week, but two eyes of group 2 needed laser therapy 1.5 month after intravitreal bevacizumab injection in spite of the initial treatment response. No complications such as cataract, endophthalmitis or retinal detachment occurred.
CONCLUSIONS:
The use of intravitreal bevacizumab injection in premature eyes was well-tolerated, and induced prompt regression as an adjuvant therapy after conventional laser therapy and also as an alternative therapy in the management of aggressive retinopathy of prematurity.

Affiliation

Eye Research Center, Farabi Eye Hospital, Department of Ophthalmology, Tehran University of Medical Sciences, Qazvin Square, Tehran, 1336616351, Iran.

Journal Details

This article was published in the following journal.

Name: Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Opht
ISSN: 1435-702X
Pages:

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Medical and Biotech [MESH] Definitions

Retinopathy Of Prematurity

A bilateral retinopathy occurring in premature infants treated with excessively high concentrations of oxygen, characterized by vascular dilatation, proliferation, and tortuosity, edema, and retinal detachment, with ultimate conversion of the retina into a fibrous mass that can be seen as a dense retrolental membrane. Usually growth of the eye is arrested and may result in microophthalmia, and blindness may occur. (Dorland, 27th ed)

Endovascular Procedures

Minimally invasive procedures, diagnostic or therapeutic, performed within the BLOOD VESSELS. They may be perfomed via ANGIOSCOPY; INTERVENTIONAL MAGNETIC RESONANCE IMAGING; INTERVENTIONAL RADIOGRAPHY; or INTERVENTIONAL ULTRASONOGRAPHY.

Aroclors

Industrial chemicals which have become widespread environmental pollutants. Each aroclor is a mixture of chlorinated biphenyls (1200 series) or chlorinated terphenyls (5400 series) or a combination of both (4400 series).

Intravitreal Injections

The administration of substances into the VITREOUS BODY of the eye with a hypodermic syringe.

Prostaglandin H2

A cyclic endoperoxide intermediate produced by the action of CYCLOOXYGENASE on ARACHIDONIC ACID. It is further converted by a series of specific enzymes to the series 2 prostaglandins.

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