We report the results of nonoperative and operative management of patellar
tendinopathy in 42 athletes with Blazina stage 2 (26 patients) or stage 3 (
16 patients) patellar tendinopathy, All patients were initially managed non
operatively with nonsteroidal antiinflammatory drugs, physical therapy, and
a progressive rehabilitation program based on isometric exercises, stretch
ing, and eccentric exercises. After 6 months, 33 patients showed symptomati
c improvement and were able to resume their sports, In nine patients with B
lazina stage 3 tendinopathy, nonoperative measures failed, and surgery was
performed. Operative treatment consisted of removal of the degenerated area
s of the tendon, multiple longitudinal tenotomies, and drilling of the lowe
r pole of the patella at the site of tendon attachment. Histologic examinat
ion of the excised tendon tissue showed areas of necrosis and mucoid degene
ration, and alterations of the bone-tendon junction. After a mean follow-up
of 4.8 years, clinical results were excellent or good in all patients. In
the group treated nonoperatively, results were better in the patients who h
ad stage 2 tendinopathy than in those with stage 3.