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High-Frequency Jet Ventilation in Nonintubated Patients.
Atefeh Abedini1, Arda Kiani2, Kimia Taghavi1
1Chronic Respiratory Diseases Research Center, National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran.
Turkish Thoracic Journal
|August 8, 2018
Summary
High-frequency jet ventilation (HFJV) via a bronchoscope effectively treats hypoxemia in nonintubated patients during procedures. This novel approach rapidly improves oxygen saturation with no observed complications.
Area of Science:
- Pulmonology
- Critical Care Medicine
- Medical Devices
Background:
- Fiberoptic bronchoscopy can lead to hypoxemia in nonintubated patients.
- Conventional oxygenation methods may be insufficient during these procedures.
Purpose of the Study:
- To evaluate the efficacy of high-frequency jet ventilation (HFJV) delivered via a bronchoscope's working channel.
- To assess potential complications of this novel ventilation method in hypoxemic patients.
Main Methods:
- Sixteen hypoxemic patients (SpO2 < 70%) unresponsive to nasal oxygen underwent HFJV for 3 minutes via bronchoscope working channel.
- Arterial blood gases were analyzed before and after HFJV.
Main Results:
- Oxygen saturation rapidly increased to over 90% in all patients within 30 seconds.
- Mean arterial oxygen saturation pressure significantly increased (54.84 to 111.98 mmHg, p=0.0001).
- No pneumothorax or bronchoscope working channel damage occurred; BMI did not impact CO2 levels.
Conclusions:
- HFJV via bronchoscope working channel is a safe and effective method for managing hypoxemia during bronchoscopy.
- This technique offers optimal ventilation with minimal complications and may shorten procedure times.
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