Communication Affichée: Poster tour 2

Le 14/10/2021 de 17:30 à 18:00

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Description du premier cas de syndrome douloureux régional complexe limité à l'hallux à l'aide des critères de Budapest.

Audrey WETZEL (Fribourg, Suisse), Michel Konzelmann (Sion, Suisse), Sylvie Revaz (Sion, Suisse), François Luthi (Sion, Suisse)

Objectif : Complex Regional Pain Syndrome (CRPS) typically affects the extremities (hand and foot) and is characterised by persistent regional pain, disproportionate to the initial event. The signs and symptoms associated with CRPS are defined by the 2010 Budapest Criteria. More localised forms of CRPS are rarer, less described and probably overlooked. Various terms have been used in the literature to describe the latter without reaching a consensus (partial, radial, focal, segmental or zonal CRPS) adding confusion and lack of knowledge about this condition.

Matériel/Patients et méthodes : We present the case of a CRPS limited to the hallux following a left foot contusion in a 30-year-old man. It is the first case of a CRPS limited to the hallux using the Budapest criteria.

Résultats : CRPS of the foot with a limited extension even if rarely cited, does indeed exist and should be included as a differential diagnosis, particularly in the case of localised and persistent pain after trauma. The Budapest criteria also appear applicable for this localised form of CRPS. Indeed due to a limited extension of clinical signs, fulfilling Criterion 4 (elimination of differential diagnoses) is paramount. These forms require a very careful clinical examination to avoid misdiagnosis or delay.

Discussion - Conclusion : This localised forms do not present a true consensual designation. Due to the particular metameric topography, common to the hand and the foot, we suggest the term “metameric” complex regional pain syndrome (M-CRPS).  A uniform nomenclature would promote future research to study its prevalence and specific treatment in more detail.

Mots clés : Complex Regional Pain Syndrome , Syndrome douloureux régional complex, algodystrophie, localisé, hallux, critères de Budapest

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