Effectiveness: Can completely resolve DDH if done early, EPOS study w/ ~3.6k hips on avg 4 m/o had 95% success rate, Study in Japan w/ ~4k hips w/ Graf IV had 80% success. 75% had no follow up., Limitations: Not effective in children > 2y/o, Cannot deal w obstructions in the hip joint that keep it dislocated, Strengths: Very low risk of avascular necrosis, Minimally invasive, Once abduction reached, harness can stay off indefinitely., Weaknesses: Restricts movement, Patient compliane is lower as child ages., necrosis can still happen. Japanese study had ~11% rate., Depends on parent compliance, they may fail to secure it correctly after washing., Restricts movement (minimal),

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