Table 2: Characteristics of patients who suffered severe respiratory adverse event.
Patient | Age (yrs/Sex | Location of Adverse Event | Timing of Adverse Event (mins) | Severe AE desaturation SpO2 level (%) | Intervention | Relevant Past Medical History | Weight category* | Anaesthetic complication | OSA severity# |
1 | 10/M | PACU | 60 | 89 | Jaw lift, oxygen, bag mask ventilation | Allergic Rhinitis (AR) | Overweight | No | NA |
2 | 8/M | PACU | 21 | 70 | Bag mask ventilation | Cleft palate, recurrent OME, Thalassemia minor | Healthy weight | No | NA |
3 | 5/M | PACU | Immediate | 57 | Oxygen, oral airway, PEEP^ | Asthma, AR | Overweight | Yes | NA |
4 | 4/M | PACU | 35 | NA | Oxygen, nebuliser | AR | Overweight | No | Severe |
5 | 2/M | PACU | 66 | NA | Oxygen, oral airway, nebuliser | AR | Healthy weight | No | NA |
6 | 15/M | HD | 780 | 92 | Oxygen, ICU admission | Nephrotic syndrome | Overweight | Yes | Severe |
7 | 5/F | HD | 127 | 92 | Oxygen, nebuliser | - | Overweight | Yes | Severe |
8 | 15/M | HD | 236 | 89 | BiPAP | AR | Overweight | No | NA |
*: Weight category is categorised according to recommendations by Singapore's Health Promotion Board where Overweight is defined as BMI > 90th centile for age. Where BMI is not available, weight > 90th centile for age is used instead; #: OSA severity - NA implies that polysomnography was not done for the patient; ^: PEEP - Positive End Expiratory Pressure.