Respiratory Pattern Change in Runners by Respiratory Tract Restriction Using a Respirator

NCT07032740 | Completed

• 1 other identifier: USouthBohemia
• Study Type: interventional
• Target: 20
• Locations: 1 country
• Sites: 2

Brief Summary

This study involves 20 race runners (10 girls and 10 boys) aged 16-26. The investigators looked at the effect of the respirator on their respiratory function and the involvement of individual breath sectors. The order of the tests was randomly divided, each taking a test with and without a respirator.

Conditions

Breathing Pattern

Keywords

optoelectronic plethysmography; N95; graded exercise test; abdominal compartment; chest wall compartments; FFR; face mask

Outcome Measures

Primary Outcomes (1)

• Breathing pattern with and without using a respirator

  Respiratory sector involvement ratio during Bruce test with using a respirator and without using a respirator

  Day 1 - first test, day 4 (after 72 hours) - second test

Study Arms (2)

With respirator

EXPERIMENTAL

The group of runners performed a test with a respirator.

Diagnostic Test: Bruce test

Without respirator

ACTIVE COMPARATOR

The group runners performed a test without a respirator.

Diagnostic Test: Bruce test

Interventions

Bruce test DIAGNOSTIC_TEST

In the Bruce test, a breath pattern was obtained by means of an OEP (once with a respirator and once without a respirator).

With respirator; Without respirator

Eligibility Criteria

• Age: 16 Years - 26 Years
• Gender Eligibility Details: We compare the effect of the parameter also by sex. This is determined by each participant.
• Healthy Volunteers: Yes
• Age Groups: Child (0-17), Adult (18-64)

You may qualify if:

• age
• regular running training at least six times a week
• full limit for national championship

You may not qualify if:

• smoking
• presence of any chronic pulmonary or cardiac d

Sponsors & Collaborators

• University of South Bohemia: lead

Study Sites (2)

University of South Bohemia

České Budějovice, 37001, Czechia

Location

University of South Bohemia

České Budějovice, 37005, Czechia

Location

Study Officials

• David Marko

  University of South Bohemia in České Budějovice

  STUDY CHAIR

Study Design

• Study Type: interventional
• Phase: not applicable
• Allocation: RANDOMIZED
• Masking: SINGLE
• Who Masked: PARTICIPANT
• Masking Details: After enrollment in the study (in a pre-selected order of tests), participants were assigned a number under which they passed the tests.
• Purpose: DIAGNOSTIC
• Intervention Model: CROSSOVER
• Sponsor Type: OTHER
• Responsible Party: PRINCIPAL INVESTIGATOR
• PI Title: Head of Laboratory

Model Details: Each participant underwent both tests, with and without respirators, in random order.

Study Record Dates

• First Submitted: May 27, 2025
• First Posted: June 24, 2025
• Study Start: January 15, 2025
• Primary Completion: May 10, 2025
• Study Completion: May 24, 2025
• Last Updated: June 24, 2025

Record last verified: 2025-06

Data Sharing

• IPD Sharing: Will share
• Shared Documents: STUDY PROTOCOL, SAP, ICF
• Time Frame: Once the article is published.
• Access Criteria: If the article is in Open access mode, it will be accessible to all.

Locations

CZ (2)