Table 2.
Treatment
| Study | Preoperative | Operation | Postoperative | |||
|---|---|---|---|---|---|---|
| Duration of conservative treatment (months)* | Approach | Diameter of drill or wire (mm) | Number of lesion perforations | Radiographic guidance | Weightbearing status | |
| Lee and Mercurio [22] | NR | Retroarticular | NR | 1 | Yes | NWB, duration NR |
| Bradley and Dandy [5] | 6 | Transarticular | 1.5 | ≥ 6 | No | WBAT Day 1 |
| Aglietti et al. [2] | 16 (6–48) | Transarticular | 2.0 | 1 | No | Protected WB 1 months |
| Anderson et al. [4] | > 3 | Transarticular | 0.62 | Multiple | Yes | Touch WB 6 weeks |
| Kocher et al. [19] | 6 | Transarticular | 1.6 | 6–10 | No | NWB 1 months |
| Louisia et al. [25] | 22 (12–36) | Transarticular | 1.5 or 2.0 | 4–6 | Yes | NWB 2 months |
| Kawasaki et al. [18] | 6 (3–8) | Retroarticular | 1.5 | > 3 | Yes | NWB 1 week |
| Donaldson and Wojtys [9] | NR | Retroarticular | < 1.0 | 4–8 | Yes | Touch WB 6 weeks |
| Adachi et al. [1] | > 6 | Retroarticular | 1.2 | 5–10 | Yes | NWB for 1 week |
| Edmonds et al. [10] | 6 | Retroarticular | 1.5 or 2.0 | 15–20 | Yes | Touch WB 6 weeks |
| Ojala et al. [27] | > 6 | Retroarticular | 3.0 | 1–3 | Yes (MRI) | Protected WB, duration NR |
* Values expressed as means with ranges in parentheses; NR = not reported; NWB = nonweightbearing.