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9122

Comparison between B-scan Ultrasonography and Optical Coherence Tomography in Evaluation of Macular Oedema

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Last updated: 03 Jan 2025

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Abstract

Background: Optical Coherence Tomography is a very sensitive modality for detection of even subclinical macular edema and provides both qualitative and quantitative results used in monitoring and follow up of patients before and after treatment of ME. However, B-Scan Ultrasonography is a non-Invasive diagnostic tool that has the advantage of reliably imaging the posterior segment regardless of the ocular media status and it is less dependent on patient cooperation. Aim of the Work: To report sensitivity and specificity of B-scan Ultrasonography in detection of macular edema. Patients and methods: This observational case series was conducted on Forty eyes of 20 patients examined at the ophthalmology clinic of Cairo Fatimic Hospital. They were asked to participate and were enrolled in this study in the period from December 2017 to March 2018. Results: There was high degree of agreement between clinical diagnosis and echographic findings of macular thickening. The sensitivity and positive predictive value (PPV) of B-scan ultrasonography to detect ME were 91.7% (22/24) and 84.6% (22/26) respectively. The specificity and negative predictive value (NPV) of B-scan ultrasonography to detect ME were 75% (12/16) and 85.7% (12/14), respectively. And consequently, the diagnostic accuracy of B-scan ultrasonography to diagnose ME was found to be 85% (34/40). Conclusion: Optical Coherence Tomography is the most sensitive method to diagnose macular edema both qualitatively and quantitatively, but in certain circumstances when performing OCT would be difficult or even impossible, B-Scan Ultrasonography provides an acceptable method to qualitatively detect macular edema.

DOI

10.21608/ejhm.2018.9122

Keywords

Macular oedema, B-scan ultrasonography, Optical Coherence Tomography

Authors

First Name

Amira S.

Last Name

Abd El Aziz

MiddleName

-

Affiliation

Department of Ophthalmology, Faculty of Medicine – Ain Shams University

Email

dr.meeero76@gmail.com

City

-

Orcid

-

First Name

Hany M.

Last Name

El-Ibiary,

MiddleName

-

Affiliation

Department of Ophthalmology, Faculty of Medicine – Ain Shams University

Email

-

City

-

Orcid

-

First Name

Lamia S.

Last Name

Elewa

MiddleName

-

Affiliation

Department of Ophthalmology, Faculty of Medicine – Ain Shams University

Email

-

City

-

Orcid

-

First Name

Ahmed M.

Last Name

El-Bauomy

MiddleName

-

Affiliation

Department of Ophthalmology, Faculty of Medicine – Ain Shams University

Email

-

City

-

Orcid

-

Volume

72

Article Issue

3

Related Issue

1778

Issue Date

2018-07-01

Receive Date

2018-07-15

Publish Date

2018-07-01

Page Start

4,093

Page End

4,099

Print ISSN

1687-2002

Online ISSN

2090-7125

Article File

EJHM_Volume 72_Issue 3_Pages 4093-4099.pdf

PDF . 209.2kB

Link

https://ejhm.journals.ekb.eg/article_9122.html

Detail API

https://ejhm.journals.ekb.eg/service?article_code=9122

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Original Article

Type Code

606

Publication Type

Journal

Publication Title

The Egyptian Journal of Hospital Medicine

Publication Link

https://ejhm.journals.ekb.eg/

MainTitle

Comparison between B-scan Ultrasonography and Optical Coherence Tomography in Evaluation of Macular Oedema

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Article

Created At

22 Jan 2023