Table 2.
Final list of 444 selected articles on 5 April 2021, from an updated list of candidate articles of 468 and 727 found with Pubmed and Web of Science, respectively.
| Table | Type of Study | Number | Levels of Evidence (LoE) | |||||
|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | ? | |||
| 3a | Narrative reviews/expert opinions | 41 | / | / | / | / | 41 | / |
| 3b | Retrospective outcome studies | 16 | / | / | 16 | / | / | / |
| 3c | Surveys | 5 | / | 5 | / | / | / | / |
| 4 | Premedication/sedation and induction drugs | 59 | 33 | 3 | 2 | 14 | / | 7 |
| 5a | Maintenance with inhalant agents | 27 | 9 | 4 | / | 13 | 1 | / |
| 5b | Maintenance with TIVA | 55 | 19 | 4 | / | 32 | / | / |
| 5c | TIVA vs. inhalants | 3 | 2 | 1 | / | / | / | / |
| 6 | Maintenance with PIVA | 56 | 43 | 5 | 2 | 4 | 2 | / |
| 7a | Loco-regional during maintenance | 9 | 6 | / | 2 | 1 | / | / |
| 7b | NMBAs during maintenance | 10 | 2 | / | / | 6 | 1 | 1 |
| 7c | Other drugs used during maintenance | 8 | 4 | 1 | 2 | 1 | / | / |
| 8 | Drugs before/during recovery | 18 | 18 | / | / | / | / | / |
| 9 | Recovery systems | 18 | 5 | / | 2 | 9 | 2 | / |
| 10 | Respiratory system in recovery | 21 | 15 | 3 | / | 3 | / | / |
| 11 | Other factors | 41 | 8 | 8 | 6 | 15 | 4 | / |
| 12 | Case series/reports | 51 | / | / | / | 12 | 39 | / |
| 13 | Systems to score recoveries | 6 | 3 | 2 | 1 | / | / | / |
| Total (5 April 2021) | 444 | 167 | 36 | 33 | 110 | 90 | 8 | |
Abbreviations in alphabetical order: NMBAs, neuromuscular blocking agents; PIVA, partial intravenous anaesthesia, TIVA, total intravenous anaesthesia. ?: publications in which the study was not able to be classified according to levels of evidence (LoE) based on the available abstract.