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  • Title: The Valenti technique in the treatment of hallux rigidus.
    Author: Harisboure A, Joveniaux P, Madi K, Dehoux E.
    Journal: Orthop Traumatol Surg Res; 2009 May; 95(3):202-9. PubMed ID: 19394916.
    Abstract:
    INTRODUCTION: Metatarsophalangeal joint osteoarthritis of the great toe (hallux rigidus) is a frequent condition for which numerous surgical techniques have been proposed. The most used ones are cheilectomy and arthrodesis. The objectives of this retrospective study are to present the midterm results of the Valenti procedure and to compare these results with those from other recognized surgical techniques. MATERIALS AND METHODS: We conducted a retrospective analysis of a continuous group of 32 patients (41 cases) presenting hallux rigidus and treated using the Valenti technique from November 1999 to July 2004. The mean age of these patients at the time of surgery was 57 years. Forty-one percent of these patients also presented a static disorder of the foot. One or several additional procedures were undertaken, at the time of surgery, in 24% of these cases. Patients were assessed using the AOFAS score completed by the walking distance test, the gait test, the tiptoe test and self-evaluation of patient satisfaction. The radiographic work-up before surgery and at follow-up showed the progression of the joint space changes and allowed us to evaluate plantar subluxation at the base of the first phalanx under the metatarsal head. RESULTS: Twenty-four patients (32 cases) were reviewed and evaluated with a mean follow-up of 5.5 years. Two cases of reflex sympathetic dystrophy were observed as complications. The mean final score was 81 out of 100 from a preoperative score of 47 out of 100. Pain was absent or only occasional in 94% of the cases. Discomfort wearing shoes was absent or moderate in 91% of the cases. Joint range of movement was greater than 30 degrees in 72% of the cases and the toes were stable. Walking distance was unlimited in 79% of the cases. A mean 30% plantar subluxation at the base of the first phalanx was noted at follow-up, with no clinical consequence. The results were comparable irrelevantly of the hallux rigidus grade being treated. DISCUSSION: The numerous techniques proposed achieve comparable results both in terms of pain relief and functional result but each one has its own limitations. Only arthroplasties with silastic implants and the Keller technique give less satisfactory results. Arthrodesis remains the first-choice treatment for advanced hallux rigidus but failure is possible in case of technical error or malunion. Cheilectomy, a conservative intervention, is ideal for lesions that are not too advanced or remain limited to the dorsal part of the joint; this conservative option presents generally no specific complications. Prosthetic replacement--with, to date, little long-term experience for total arthroplasty--remains controversial because the results deteriorate over time. The Valenti procedure exposes the patient to a possible risk of metatarsophalangeal joint destabilization if the resection is too great, but this does not impair the final functional outcome. CONCLUSION: The arthrectomy described by Valenti is a highly reproducible intervention. We find it to be a good compromise between mobility and stability, providing good results for all hallux rigidus grades and entailing a low complication rate. LEVEL OF CLINICAL EVIDENCE: Level IV. Therapeutic Study.
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