From: Cannabinoids and orthopedic surgery: a systematic review of therapeutic studies
Study | Beaulieu [17] | Haroutounian et al. [26] | Hickernell et al. [9] | Holdcroft et al. [25] | Hunter et al.a [18] | Jain et al. [19] | Levin et al. [20] | Mondello et al. [27] | Notcutt et al. [22] | Poli et al. [28] | Ware et al. [21] | Yassin et al. [23] | Yassin et al. [24] |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Year | 2006 | 2016 | 2018 | 2006 | 2018 | 1981 | 2017 | 2018 | 2004 | 2016 | 2005 | 2016 | 2019 |
Design | RCT | Case series | Retrospective cohort | Dose escalation | RCT | RCT | RCT | Case series | Cross over | Case series | Prospective cohort | Cross over | Cross over |
TLE | I | IV | III | II | I | I | I | IV | IV | IV | II | IV | IV |
Quality of evidence | M | VL | L | M | M | M | M | VL | L | LV | L | VL | VL |
Analgesic effect | − | + | + | + | +b | + | 0 | + | + | + | + | + | + |
Opioid use | No change | Decrease | Decrease | Decrease | X | X | No change | X | X | X | X | Decrease | Decrease |