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Completed

NCT Number: NCT05197400

Comparison of the Effect of Supine and Prone Position on the Ultrasonographic Airway Measurements

The aim of this study is to compare the preoperative and postoperative ultrasonographic measurements of patients undergoing in the prone position and the change in upper airway edema.

The secondary aim of the study is to investigate the relationship between OSAS risk levels determined by the STOP-BANG score in the preoperative period of the patients participating in the study, and airway ultrasound measurements and postoperative critical respiratory events in the preoperative and postoperative period.

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Key information

Conditions

Airway Edema Apnea Dyssomnias Nervous System Diseases Obstructive Sleep Apnea Respiration Disorders Respiratory Complication Respiratory Tract Diseases Sleep Apnea Syndromes Sleep Apnea, Obstructive Sleep Disorders, Intrinsic Sleep Wake Disorders

Age range

18 year–75 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

Ankara City Hospital Bilkent

Ankara, Turkey (Türkiye)

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

1-American Society of Anesthesiologists Physical Status Classification (ASA) I-II-III-IV risk group who will undergo Percutaneous Nephrolithotomy surgery

Exclusion criteria

  • prone position contraindications
  • history of maxillofacial deformity, tumor or trauma,
  • difficult airway history
  • decompensated cardiac, respiratory, hepatic, renal diseases
  • cervical spine fracture
  • Patients refusal -

Treatment and study plan

preoperative airway ultrasonography

Diagnostic Test

Tongue thickness Median sagittal tongue cross-sectional area Tongue width

Tongue volume:

Lateral parapharyngeal wall thickness

postoperative airway ultrasonography

Diagnostic Test

Tongue thickness Median sagittal tongue cross-sectional area Tongue width

Tongue volume:

Lateral parapharyngeal wall thickness

Primary outcomes

  1. Preoperative Tongue thickness

    Time frame: Baseline, preoperative

  2. postoperative Tongue thickness1

    Time frame: postextubation

  3. postoperative Tongue thickness2

    Time frame: postoperative 2. hour]

  4. preoperative Tongue volume

    Time frame: Baseline, preoperative

  5. postoperative Tongue volume1

    Time frame: postextubation

  6. postoperative Tongue volume2

    Time frame: postoperative 2. hour

  7. Preoperative Lateral parapharyngeal wall thickness

    Time frame: Baseline, preoperative

  8. postoperative Lateral parapharyngeal wall thickness1

    Time frame: postextubation

  9. postoperative Lateral parapharyngeal wall thickness2

    Time frame: postoperative 2. hour

  10. Critical respiratory events

    Time frame: Within postoperative 2 hours

Sponsors and collaborators

Lead sponsor

Ankara City Hospital Bilkent

Other

Registry information

Official study title

A Prospective Randomized Comparison of the Effect of Supine and Prone Position on the Ultrasonographic Upper Airway Measurements and Postoperative Critical Respiratory Events

Important dates

Study start
2022
Primary completion
2022
Study completion
2022
First posted
Jan 19, 2022
Registry last updated
Jan 15, 2025

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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