Dislocation is one of the most common complications after total hip arthroplasty (THA). Risk factors include neuromuscular and cognitive disorders, patient non-compliance, and previous hip surgery. Surgical considerations that must be addressed include approach, soft-tissue tension, component positioning, impingement, head size, acetabular liner profile, and surgeon experience. Recent improvements in posterior soft-tissue repair after primary THA have shown a reduced incidence of dislocation. When dislocation occurs, a thorough history, physical examination, and radiographic assessment help in choosing the proper intervention. Closed reduction usually is possible, and nonsurgical management frequently succeeds in preventing recurrence. When these measures fail, first-line revision options should target the underlying etiology. This most often involves tensioning or augmentation of soft tissues, as in capsulorrhaphy or trochanteric advancement; correction of malpositioned components; or improving the head-to-neck ratio. If instability persists, or if a primary THA repeatedly dislocates without a clear cause, a constrained cup or bipolar femoral prosthesis may be as effective as a salvage procedure.

Polls results

On a scale of 1 to 10, rate how much this article will change your clinical practice?

NO change
BIG change
92% Article relates to my practice (13/14)
7% Article does not relate to my practice (1/14)
0% Undecided (0/14)

Will this article lead to more cost-effective healthcare?

92% Yes (13/14)
7% No (1/14)
0% Undecided (0/14)

Was this article biased? (commercial or personal)

0% Yes (0/14)
100% No (14/14)
0% Undecided (0/14)

What level of evidence do you think this article is?

7% Level 1 (1/14)
14% Level 2 (2/14)
28% Level 3 (4/14)
28% Level 4 (4/14)
21% Level 5 (3/14)