[Early clinical results of total knee arthroplasty with journey prosthesis].

OBJECTIVE: To evaluate the early clinical results of total knee arthroplasty (TKA) with JOURNEY prosthesis.

METHODS: From September 2006 to May 2007, TKA with JOURNEY prosthesis was used to treat 32 patients in ATOS Clinic, Germany. There were 21 males and 11 females, aged 40-84 years old (average 65.6 years old). The locations were left knee in 13 cases and right knee in 19 cases, including 5 cases of traumatic arthritis, 19 cases of osteoarthritis and 8 cases of rheumatoid arthritis. All patients had pain and limited range of motion (ROM) of knee. MRI scanning showed that cartilage and meniscus damaged in all cases. The disease course was 1 to 4 years (average 2.2 years). The CPM practice started 2 days after operation.

RESULTS: The operative time was (75.0 +/- 21.7) minutes. The blood loss was (280 +/- 130) mL. All incision healed by first intention. Thirty-two patients were followed up 12 to 18 months (average 14.2 months). Hydrarthrosis occurred in 8 cases at 3-6 months postoperatively. Femur paraprosthetic fracture and implant dislocation occurred at 1 week and at 6 months in 2 cases, respectively. There were statistically significant differences in KSS score between preoperation and 3, 6, 12 months after operation (P < 0.05), between 3 months and 6, 12 months after operation (P < 0.05); there was no statistically significant difference in KSS score between 6 months and 12 months after operation (P > 0.05). There were statistically significant differences in pain score between preoperation and 3, 6, 12 months after operation (P < 0.05), and in ROM between 3 months and 6, 12 months after operation (P < 0.05). There was no statistically significant difference in ROM between preoperation and 3 months after operation (P > 0.05).

CONCLUSION: It is a simple way to TKA with JOURNEY prosthesis, which has a good results in early follow-up period.