Table 3.
Recent publications involving diffuse PVNS of the knee are compared with regard to study design, patient treatment, and outcome measures such as recurrence, arthritic progression, and complications
| Author | Year | Technique | Patients | Adjuvant radiotherapy | Recurrence rate | Arthritic progression | Progression to arthroplasty | Complications | Followup (years) |
|---|---|---|---|---|---|---|---|---|---|
| De Ponti et al. [5] | 2003 | All- arthroscopic | 7 | No | 20% | NR | NR | None | 5.0 |
| All-arthroscopic† | 8 | No | 75% | NR | NR | None | |||
| Ogilvie-Harris et al. [14] | 1992 | All-arthroscopic | 11 | No | 9% | 16% | 10% | NR | 4.5 |
| All-arthroscopic† | 9 | No | 56% | NR | |||||
| Zvijac et al. [21] | 1999 | All- arthroscopic | 12 | No | 14% | NR | NR | 8% stiffness requiring MUA | 3.5 |
| Flandry et al. [6] | 1994 | Open/open | 25 | No | 8% | 48% | NR | 32% stiffness requiring MUA | 4.8 |
| Chin et al. [3] | 2002 | Open/open‡ | 40 | 75% | 18% | 10% | 8% stiffness requiring MUA; 3% CRPS, 10% superficial wound infection | 5.0 | |
| Sharma and Cheng [19] | 2009 | Open/open | 16 | No | 19% | NR | NR | NR | 6.2 |
| Open/arthroscopic | 8 | No | 25% | NR | NR | NR | |||
| All-arthroscopic* | 13 | No | 92% | NR | NR | NR | |||
| Current study | 2012 | Open/open | 11 | No | 64% | 0% | 0% | 9% superficial wound infection | 3.3 |
| Open/arthroscopic | 11 | No | 9% | 9% | 0% | 9% hemarthrosis, 9% stiffness requiring MUA | |||
| All-arthroscopic* | 26 | No | 62% | 23% | 15% | 8% hemarthrosis, 4% DVT |
* Portions had subtotal synovectomy; †all had subtotal synovectomy; ‡all patients were revision synovectomy cases; PVNS = pigmented villonodular synovitis; NR = not reported; MUA = manipulation under anesthesia; CRPS = chronic regional pain syndrome; DVT = deep venous thrombosis.