Clinical trials: Laryngeal Obstruction
Voice
Immediate Effects of Two Semi-occluded Vocal Tract Exercises
This study aims to observe the physiological effects of two different Semi-occluded vocal tract (SOVT) exercises in the larynx when they are executed by individuals with constant vocal effort and without vocal pathology.
- Trial name
- NCT03413033
- Testing
- Resonance tube, Tongue trill
- Where
- Colombia
- Volunteers
- 43 people, healthy volunteers welcome
- Sponsor
- Universidad Nacional de Colombia
Patient Satisfaction
Ultrasound-Guided Thyroid Cartilage Plane Block vs Ultrasound-Guided Traditional Superior Laryngeal Nerve Block for Awake Fiberoptic Intubation in Patients With Limited Neck Mobility Undergoing Cervical Spine Fixation
The aim of the work to compare between the effectiveness and safety of ultrasound-guided superior laryngeal nerve block through surface injection of local anesthetic solution on the thyroid cartilage and ultrasound-guided…
- Trial name
- NCT06483893
- Testing
- US-guided thyroid cartilage plane block (group TCPB), US-guided traditional superior laryngeal nerve block (group traditional SLNB)
- Where
- Egypt
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Beni-Suef University
Sleep Apnea, Obstructive, Respiration Disorders
Treatment of Children With Obstructive Sleep Apnea and Laryngomalacia: the Role of Laser Supraglottoplasty
This is a research study of the effect of treating laryngomalacia (floppiness of tissue on top of the voice box that can possibly block breathing) found in association with obstructive sleep apnea (blockage of breathing while…
- Trial name
- NCT00394550
- Testing
- supraglottoplasty with laser
- Where
- United States
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- Indiana University
Airway Obstruction
Comparison of Laryngeal Mask and I-gel to Laryngoscope by Novice Operators in Simulated Difficult Airway
The use of laryngeal mask airway or i-gel to manage airway may improve success rates, especially in difficult situations more than tracheal intubation.
- Trial name
- NCT02224027
- Testing
- proceal laryngeal mask airway, tracheal tube, i-gel
- Where
- South Korea
- Volunteers
- 109 people, healthy volunteers welcome
- Sponsor
- Yeungnam University College of Medicine
Voice Disorders
Voice Therapy With a Semi-occluded Vocal Tract
1. The first objective of this research is to investigate the immediate effects of three semi-occluded vocal tract (SOVT) exercises (straw phonation in air, straw phonation in 2cm water, and straw phonation in 5cm water) on…
- Trial name
- NCT06137131
- Testing
- Straw phonation in air, straw phonation in water, /u/ phonation
- Where
- Belgium
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- University Ghent
Cough, Superior Laryngeal Nerve Block
Efficacy of SLN Block for Chronic Cough
This is a research study to find out if superior laryngeal nerve blocks are an effective way to reduce cough when compared to placebo (a substance without any medical value).
- Conditions
- Cough, Superior Laryngeal Nerve Block, Neurogenic Cough
- Trial name
- NCT04421092
- Testing
- Superior laryngeal nerve block, Injection of steroid-lidocaine mixture
- Where
- United States
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- Medical University of South Carolina
Anesthesia, Local, Voice Change
Voice Quality Changes With IANB Anesthesia
Background: Inferior alveolar nerve block anesthesia is commonly used in dental procedures, but its effect on the voice quality is not well understood.
- Trial name
- NCT05710484
- Where
- Turkey (Türkiye)
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Marmara University
Vocal Cord Dysfunction, Asthma Brittle
Is Laryngeal Ultrasound Useful in the Assessment for ILO? A Protocol for a Two-stage Exploratory Pilot Study
This study is a feasibility study to see if an ultrasound scan of the vocal cords can detect narrowing of the vocal cords as seen in a condition called inducible laryngeal Obstruction (the vocal cords narrow or close on breathing…
- Conditions
- Vocal Cord Dysfunction, Asthma Brittle, Inducible Laryngeal Obstruction, Paradoxical Vocal Fold Motion
- Trial name
- NCT05686941
- Testing
- Trans-cutaneous Laryngeal ultrasound (TLUS), TLUS and simultaneous laryngoscopy
- Where
- United Kingdom
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Lancashire Teaching Hospitals NHS Foundation Trust
Airway Complication of Anesthesia
Ultrasound Guided Superior Laryngeal Nerve Block Compared With Blind Block Technique
The aim of this study is to evaluate the effect of ultrasound guided technique for block of internal branch of superior laryngeal nerve in surgical patient in comparison to blind anatomical technique.
- Trial name
- NCT04623645
- Testing
- ultrasound technique
- Where
- Egypt
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Ain Shams University