Table 1.
Patient Characteristics and Perioperative Data of the 59 Patients Who Had a Cardiorespiratory Event.
| Patient or Procedure Characteristics | No. (%) |
|---|---|
| Age, y | |
| ≥ 50 | 52 (88) |
| < 50 | 7 (12) |
| Sex | |
| Male | 30 (51) |
| Female | 39 (48) |
| ASA | |
| I or II | 3 (5.1) |
| III or IV | 56 (94.9) |
| Comorbiditiesa | |
| Hypertension | 48 |
| Coronary artery disease | 29 |
| Diabetes | 37 |
| Chronic kidney disease | 13 |
| Procedure | |
| Vitreoretinal surgery | 29 (49) |
| Other | 30 (51) |
| Anesthesia typeb | |
| MAC | 24 (41) |
| General | 29 (59) |
| Laryngeal mask airway | 5 |
| Endotracheal tube | 24 |
| Operative time, h | |
| > 3 | 2 (3.4) |
Abbreviations: ASA, American Society of Anesthesiologists; MAC, monitored anesthesia care with a combination of sedation and/or retrobulbar block.
a Some patients had more than one comorbidity.
b Six cases were canceled because of cardiac events before starting procedure.