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The Acute Effects of Controlled Breathing Exercises and Music Therapy on the Autonomic Nervous System in Anxious Individuals

17. august 2026 opdateret af: Okan Sahin, Istanbul Health and Technology University

The Acute Effects of Controlled Breathing Exercises and Music Therapy on the Autonomic Nervous System in Anxious Individuals: A Randomized Controlled Study

This project aims to investigate the acute effects of controlled breathing exercises and music therapy on parasympathetic nervous system activation and increased heart rate variability in anxious individuals.

Studieoversigt

Status

Afsluttet

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

The main objective of our project is to reduce the suppressive effect of stress on the parasympathetic nervous system and, accordingly, to increase heart rate variability in individuals with anxiety through controlled breathing exercises and music therapy applications. For this purpose, individuals aged between 18 and 40 years who have moderate anxiety levels according to the State-Trait Anxiety Inventory, who have not previously been diagnosed with any cardiovascular, respiratory, neurological, or psychiatric diseases, and who have not smoked for at least the past 6 months will be included in the study.

The individuals included in the study will be randomly assigned into three groups: a control group, a controlled breathing exercise group, and a music-supported breathing exercise group. At the baseline assessment, the State-Trait Anxiety Inventory will be used to determine the anxiety levels of all participants and to ensure group homogenization. In addition to determining anxiety levels at baseline, heart rate variability, blood pressure, heart rate, and oxygen saturation will be assessed in all groups.

No intervention will be applied to the control group; only assessments will be conducted. A single-session exercise protocol lasting 20 minutes will be applied to the breathing exercise group and the music-supported breathing exercise group. Heart rate variability will be measured using the Polar H9 device and Elite HRV software. Blood pressure and heart rate measurements will be performed using a digital blood pressure monitor. Oxygen saturation will be determined using a fingertip pulse oximeter.

The heart rate variability, blood pressure, heart rate, and oxygen saturation assessments performed at baseline will be repeated at the 0th, 10th, and 20th minutes after the completion of the exercise in the intervention groups. In the control group, participants will be asked to remain seated for 20 minutes, and following the completion of this period, the measurements performed at baseline will be repeated at the 0th, 10th, and 20th minutes. Thus, the final evaluation will be completed, and the obtained data will be analyzed.

Undersøgelsestype

Interventionel

Tilmelding (Faktiske)

30

Fase

  • Ikke anvendelig

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiesteder

  • Tyrkiet (Türkiye)
    • Beyoğlu
      • Istanbul, Beyoğlu, Tyrkiet (Türkiye), 34421
        • Istanbul Health and Technology University

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

  • Voksen

Tager imod sunde frivillige

Ingen

Beskrivelse

Inclusion Criteria:

  • Volunteer to participate in the study
  • Not having a prior diagnosis of cardiovascular, respiratory, or neurological/psychiatric disease
  • Not having a history of regular arrhythmias, pacemakers, or severe hypertension
  • Not having smoked for at least 6 months
  • Not having engaged in strenuous exercise in the last 24 hours
  • Not having consumed caffeine/energy drinks within 6-8 hours prior to the intervention
  • Being between 18 and 40 years of age
  • Having a moderate level of anxiety according to the State-Trait Anxiety Scale
  • Participants must be literate and have at least a high school diploma.

Exclusion Criteria:

  • Having an active or chronic illness
  • Experiencing cooperation problems
  • Regular use of psychiatric medication (antidepressants, anxiolytics, etc.)
  • Use of medications that affect heart rate, such as beta-blockers
  • Auditory dysfunction (to the point of being unable to hear music)
  • Individuals who are highly trained (very experienced) in breathing exercises or meditation

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Enkelt

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Ingen indgriben: Control Group(CG)
The control group will not receive any intervention. Participants in this group will be asked to sit comfortably in a chair for a single 20-minute session. Individuals will be provided with an environment where disturbing factors (sound, light) are prevented.
Eksperimentel: Controlled Breathing Exercises Group (CBE)
Controlled breathing exercises will include resonant breathing, nadi shodhana, bhramari pranayama, and physiological sighing exercises. Controlled breathing exercises will be performed in a single session lasting a total of 20 minutes. Individuals will be provided with an environment where disturbing factors (sound, light) are prevented.
Andet: Controlled Breathing Exercises Group
Controlled breathing exercises include Resonance Breathing Exercises, Nadi Shodhana Pranayama, Bhramari Pranayama, and physiological sighing exercises. The controlled breathing exercise group will receive these exercises in a single 20-minute session. Resonance breathing will be practiced for 5 minutes at a rate of 6 breaths per minute. During the intervention, patients will receive 2 sets of Nadi Shodhana Pranayama consisting of 8 breathing cycles, with a 2-minute rest period between sets. The session will also include 2 sets of Bhramari Pranayama consisting of 8 breathing cycles at a low breathing rate, with a 1-minute rest period between sets. The physiological sighing exercise involves an initial inhalation phase lasting 1 second, a second inhalation phase lasting 0.25 seconds, and an exhalation phase lasting 2 seconds, and is repeated for 5 minutes.
Eksperimentel: Music-Assisted Breathing Group (MAB)
The music-assisted breathing exercise will perform the same breathing exercises (resonant breathing, nadi shodhana, bhramari pranayama, and physiological sighing) along with music. Individuals will be provided with an environment where disturbing factors (sound, light) are prevented.
Andet: Music-Assisted Breathing Group
The music-assisted breathing exercise will perform the same breathing exercises (resonant breathing, nadi shodhana, bhramari pranayama, and physiological sighing) along with music. Music-assisted breathing exercise will be performed in a single session lasting a total of 20 minutes. Music 1 (250-1000 Hz) and Music 2 (1000-16000 Hz) will be used at specific frequencies. A slow, rhythmically consistent, vocalless basic melody will be selected within these frequency ranges. The volume levels of all tracks will be kept constant. The music will be played through stereo headphones. Participants will listen to Music 1 (250-1000 Hz) for 10 minutes and Music 2 (1000-16000 Hz) for another 10 minutes. Individuals will be provided with an environment where disturbing factors (sound, light) are prevented.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Autonomic Nervous System Assessment
Tidsramme: Baseline, and at 0, 10, and 20 minutes after the 20-minute exercise session.
To assess the autonomic nervous system, heart rate variability will be evaluated. A Polar H9 heart rate sensor chest strap and Elite HRV software will be used to measure analytical heart rate variability. During the assessment, the participant will be in a seated position in a chair, the Polar system chest strap will be placed directly over the sternum, and ultrasound gel will be used to increase the conductivity of the sensor. This method has validity with electrocardiogram. Heart rate variability parameters such as RMSSD, PNN50, and LF/HF will be measured.
Baseline, and at 0, 10, and 20 minutes after the 20-minute exercise session.
Pulse Measurement
Tidsramme: Baseline, and at 0, 10, and 20 minutes after the 20-minute exercise session.
Pulse measurements will be performed using an Omron brand digital blood pressure monitor. Individuals will be rested for at least 5 minutes before the measurement to ensure relaxation for an accurate reading.
Baseline, and at 0, 10, and 20 minutes after the 20-minute exercise session.
Blood Pressure Measurement
Tidsramme: Baseline, and at 0, 10, and 20 minutes after the 20-minute exercise session.
Blood pressure measurements will be performed using an Omron brand digital blood pressure monitor. Individuals will be rested for at least 5 minutes before the measurement to ensure relaxation for an accurate reading.
Baseline, and at 0, 10, and 20 minutes after the 20-minute exercise session.

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Oxygen Saturation
Tidsramme: Baseline, and at 0, 10, and 20 minutes after the 20-minute exercise session.
Pulse oximetry is a non-invasive, painless, and reliable method used to measure oxygen saturation (SpO2) in arterial blood. Oxygen saturation measurement will be performed with a finger-type pulse oximeter device.
Baseline, and at 0, 10, and 20 minutes after the 20-minute exercise session.

Andre resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
State-Trait Anxiety Scale
Tidsramme: Baseline
To determine the anxiety level of all participants and to ensure group homogeneity, the State-Trait Anxiety Scale will be used. Individuals with moderate anxiety according to the State-Trait Anxiety Scale will be included in the study. This scale aims to assess the intensity of the emotions or behaviors expressed in the items on the scale. Theoretically, scores on this scale can range from 20 to 80. A higher score indicates a high level of anxiety, while a lower score indicates a low level of anxiety.
Baseline

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Istanbul Health and Technology University

Efterforskere

  • Studieleder: Okan Şahin, PT, PhD, Istanbul Health and Technology University

Publikationer og nyttige links

Den person, der er ansvarlig for at indtaste oplysninger om undersøgelsen, leverer frivilligt disse publikationer. Disse kan handle om alt relateret til undersøgelsen.

Generelle publikationer

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Faktiske)

2. maj 2026

Primær færdiggørelse (Faktiske)

14. august 2026

Studieafslutning (Faktiske)

15. august 2026

Datoer for studieregistrering

Først indsendt

10. maj 2026

Først indsendt, der opfyldte QC-kriterier

17. maj 2026

Først opslået (Faktiske)

19. maj 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

19. august 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

17. august 2026

Sidst verificeret

1. april 2026

Mere information

Begreber relateret til denne undersøgelse

Nøgleord

Andre undersøgelses-id-numre

  • OEZBP-2026

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

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