23
27. Fithian DC, Paxton EW, Stone ML, Silva P, Davis DK, Elias
DA, et al. Epidemiology and natural history of acute patellar
dislocation. Am J Sports Med. 2004;32:1114-21.
28. Sallay PI, Poogi J, Speer KP, Garrett WE. Acute dislocation
of the patella. A correlative pathoanatomic study. Am J Sports
Med 1996:24:52-60.
29. Sillanpää PJ, Mäenpää HM, Mattila VM, Visuri T,
Pihlajamäki H. Arthroscopic surgery for primary traumatic
patellar dislocation. A prospective, nonrandomized study
comparing patients treated with and without acute
arthroscopic stabilization with a median 7-year follow-up. Am
J Sports Med 2008;36:2301-9.
30. Hawkins NSR, Bell RH, Anisette G. Acute patellar
dislocations: the natural history. Am J Sports Med.
1986;14:117-20.
31. Hinton RY, Sharma KM. Acute and recurrent patellar
instability in the young athlete. Orthop Clin North Am.
2003;34:385-96.
32. Nikku R, Nietosvaara Y, Kallio PE, Aalto K, Michelsson JE.
Operative versus closed treatment of primary dislocation of
the patella: similar 2-year results in 125 randomized patients.
Acta Orthop Scand. 1997;68:419-23.
33. Mäenpää H, Lehto MUK. Patellar dislocation: the long-
term results of non-operative management in 100 patients.
Am J Sports Med 1997;25:213-7.
34. Rood A, Boons H, Ploegmakers J, van der Stappen W,
Koëter S. Tape versus cast for non-operative treatment of
primary patellar dislocation: a randomized controlled trial.
Arch Orthop Trauma Surg. 2012;132:1199-203.
35. Cofield RH, Bryan RS. Acute dislocation of the patella:
results of conservative treatment. J Trauma 1977;17:526-31.
36. Basset FH. Acute dislocation of the patella, osteochondral
fractures, and injuries to the extensor mechanism of the knee.
In: Burke E, editor. American Academy of Orthopedic




