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Preliminary results of integrated therapy for patients with knee osteoarthritis.

OBJECTIVE
To investigate the effects of integrated therapy on the functional status of patients with knee osteoarthritis (OA).


METHODS
A total of 140 subjects with bilateral knee OA (Altman grade II) were randomized sequentially into 4 groups (groups I-IV). Group I received isokinetic exercises; group II received isokinetic exercise and pulse ultrasound for periarticular soft tissue pain; group III received isokinetic exercise, pulse ultrasound, and intraarticular hyaluronan therapy; and group IV acted as the control group. The therapeutic effects of the interventions were evaluated by changes in Lequesne's index, knee range of motion, peak muscle torques of knee flexion and extension, and ambulation speed after 8 weeks of treatment and at followup 1 year later. In addition, changes in visual analog scale pain and rates of attrition in each group were also recorded.


RESULTS
Patients in groups I-III exhibited increased muscle peak torques and significantly reduced pain and disability after treatment and at followup. Groups II and III showed significant improvements in range of motion and ambulation speed after treatment. Group III also showed the greatest increase in walking speed and decrease in disability after treatment and at followup. Both group II and group III had significant gains in muscular strength after treatment and at followup; group III showed the greatest gains.


CONCLUSION
An integrated therapy deals with the extra- and intraarticular progressive pathologic changes, and kinesiologic management of OA is suggested for the management of knee OA.