Outcome and Prognosis
Proper treatment of adult-acquired flatfoot deformity requires a comprehensive knowledge of foot biomechanics and astute clinical judgment. No single solution is appropriate for all patients and all degrees of dysfunction; rather, a continuum of treatment options must be considered to gain the best functional outcome for the individual patient.
The patients who are best suited for an optimal return to full function have mild changes of the dynamic structures but maintenance of the static restraints of the hindfoot. These patients are most tolerant of nonoperative treatment modalities and, if surgery is necessary, can reasonably expect a return to near-normal function if joint-sparing options are utilized.
Future and Controversies
posterior tibial tendon (PTT) insufficiency with different degrees of deformity at different joints in the foot is a challenge to manage. Considerable controversy remains about the appropriate treatment of all stages of PTT dysfunction. Comparison-outcome trials are needed to provide better data to evaluate the treatment options. To the authors' knowledge, to date, these trials have not been completed.
Thomas H Lee, MD, is gratefully acknowledged for the contributions made to this topic.
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Further Reading
Clinical guidelines:
Diagnosis and treatment of adult flatfoot. American College of Foot and Ankle Surgeons - Medical Specialty Society. 2005 Mar/Apr. 36 pages. NGC:004194
Diagnosis and treatment of pediatric flatfoot. American College of Foot and Ankle Surgeons - Medical Specialty Society. 2004 Nov/Dec. 33 pages. NGC:004086
Clinical studies:
The Development of Flat Foot After Ankle Fractures
Exercise and Shoe Orthoses in Treatment of Posterior Tibial Tendon Dysfunction
Keywords
pes planus, acquired flatfoot, adult-acquired flatfoot deformity, AAFD, progressive flatfoot deformity, posterior tibial tendon dysfunction, PTTD, posterior tibial tendon insufficiency, PTTI, fallen arches, posterior tibial tendon, PTT, talipes planus, flat foot, flatfoot, splayfoot, pes planovalgus, spring ligament complex, spring-ligament complex, too many toes sign, too-many-toes sign, plantar fasciitis, cri-du-chat, plantar heel pain
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