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

Bezmialem Vakif University

Status: Completed

Conditions: Allergic Rhinitis

Treatments: Other: Red-green-blue measurements of nasal mucosa image

Study type: Observational

Funder types: Other

Identifiers

NCT03070288

B.30.2.BAV.0.05.05/397

Details and patient eligibility

About

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.

Full 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.

Enrollment: 146 patients

Sex: All

Ages: 18 to 60 years old

Volunteers: Accepts Healthy Volunteers

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

Trial design

146 participants in 2 patient groups

Group 1

Description:

Red-green-blue measurements of nasal mucosa images of patients with allergic rhinitis

Treatment:

Other: Red-green-blue measurements of nasal mucosa image

Group 2

Description:

Red-green-blue measurements of nasal mucosa images of normal healthy individuals

Treatment:

Other: Red-green-blue measurements of nasal mucosa image