RGB(Red- Green-Blue) Measurement of the Nasal Mucosal Image

August 7, 2019 updated by: Nazan Degirmenci, Bezmialem Vakif University

RGB(Red- Green-Blue) Measurement of the Nasal Mucosal Image: A New Diagnostic Parameter for Allergic Rhinitis

The aim of this study was to evaluate the color values of the nasal mucosa, which is easily assessable by a direct, non-invasive, objective photographic measurement, for the purpose of presenting a diagnostic objective parameter of allergic rhinitis (AR).

All patients and controls were examined by the same 4 mm 0⁰endoscope and light source, and all endoscopic photographs of the septum and both inferior turbinates were taken. Adobe Photoshop Elements 7.0 program was used to measure the numerical values of the red-green-blue (RGB) color components in endoscopic photographs of the nasal mucosa on the septum and inferior turbinates.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Detailed Description

This study enrolled 73 patients with AR (Group 1) and 73 normal healthy individuals(Group 2) with no nasal pathologies and respiratory tract infection attending to the outpatient clinic of the tertiary referral center. Patient's symptoms were questioned and noted by using Lebel Symptom Score Scale. Clinical examination was also done to help diagnose and exclude acute respiratory tract infection. All of the patients had positive skin prick test results for at least one of the most common aeroallergens. All patients and controls were examined by the same 4 mm 0⁰endoscope and light source, and all endoscopic photographs of the septum and both inferior turbinates were taken. Each image was marked with standardized points at the anterior part of the nasal mucosa on both sides (2 points each right and left sides of the anterior septum and 2 points each anterior part of the inferior turbinates). These points were numbered 1 and 2 over the right inferior turbinate; 3 and 4 over the right side of the anterior septum; 4 and 5 over the left inferior turbinate; 6 and 7 over the left side of the anterior septum. Adobe Photoshop Elements 7.0 program was used to measure the numerical values of the red-green-blue color components in endoscopic photographs of the nasal mucosa on the septum and inferior turbinates.

Study Type

Observational

Enrollment (Actual)

146

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Turkey
      • Istanbul, Turkey
        • Bezmialem Vakif University

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 60 years (Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Sampling Method

Probability Sample

Study Population

This study enrolled 73 patients with allergic rhinitis (Group 1) and 73 normal healthy individuals(Group 2) with no nasal pathologies and respiratory tract infection attending to the outpatient clinic of the tertiary referral center. Patient's symptoms were questioned and noted by using Lebel Symptom Score Scale. Clinical examination was also done to help diagnose and exclude acute respiratory tract infection. All of the patients had positive skin prick test results for at least one of the most common aeroallergens.

Description

Inclusion Criteria:

  • Subject has positive skin prick test results
  • Subject has more than 5 points of Lebel Symptom Score Scale
  • Subjects between 18-60 ages
  • Subjects with allergic rhinitis

Exclusion Criteria:

  • Negative skin prick test results
  • Acute respiratory tract infection existence
  • Scores less than 5 points of Lebel Symptom Score Scale

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Observational Models: Case-Control
  • Time Perspectives: Cross-Sectional

Cohorts and Interventions

Group / Cohort
Intervention / Treatment
Group 1
Red-green-blue measurements of nasal mucosa images of patients with allergic rhinitis
Other: Red-green-blue measurements of nasal mucosa image
Adobe Photoshop Elements 7.0 program automatically measures the numerical values of the RGB color components in the selected area
Group 2
Red-green-blue measurements of nasal mucosa images of normal healthy individuals
Other: Red-green-blue measurements of nasal mucosa image
Adobe Photoshop Elements 7.0 program automatically measures the numerical values of the RGB color components in the selected area

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
The difference of nasal mucosa color between groups
Time Frame: 3 months
Nasal mucosa colors of the groups were measured with the numerical values of the RGB color components. All endoscopic photographs of the septum and both inferior turbinates of the patients and healthy individuals were taken while the examination at the outpatient clinic for three months. Adobe Photoshop Elements 7.0 program automatically measures the numerical values of the RGB color components in the pointed area. Color discoloration at the nasal mucosa of allergic patients compared with the healthy individuals by using RGB measurements.
3 months

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Bezmialem Vakif University

Investigators

  • Principal Investigator: Nazan Degirmenci, Bezmialem Vakif University

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

February 1, 2018

Primary Completion (Actual)

March 1, 2018

Study Completion (Actual)

April 10, 2019

Study Registration Dates

First Submitted

January 30, 2017

First Submitted That Met QC Criteria

February 28, 2017

First Posted (Actual)

March 3, 2017

Study Record Updates

Last Update Posted (Actual)

August 8, 2019

Last Update Submitted That Met QC Criteria

August 7, 2019

Last Verified

August 1, 2019

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • B.30.2.BAV.0.05.05/397

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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