| ATA | Atmosphere absolute |
| BMI | Body Mass Index |
| DBP | Diastolic Blood Pressure |
| EPR | Electron Paramagnetic Resonance |
| HBOT | Hyperbaric oxygen therapy |
| HPLC | High-pressure Liquid Chromatography |
| HR | Heart Rate |
| IL-1β | Interleukin-1 beta |
| IL-6 | Interleukin-6 |
| ISSHL | Idiopathic Sudden Sensorineural Hearing Loss |
| NO | Nitric Oxide |
| NOx | Nitric Oxide metabolites |
| OxS | Oxidative Stress |
| SBP | Systolic Blood Pressure |
| ROS | Reactive Oxygen Species |
| TAC | Total Antioxidant Capacity |
| TQR | Total Quality of Recovery |
| TNFα | Tumor Necrosis Factor-alpha |
| VAS | Visual Analog Scale |
| 8-iso-PGF2α | 8-isoprostane-PGF2 alpha |
| 8-OH-dG | 8-Hydroxy-2′-deoxyguanosine |