Abstract

LOPEZ MENDOZA, F.J.; BARON RAMOS, C.X.  and  GARGOLLO ORVANANOS. The impact of anatomical variability of the first extensor compartment of the hand in the De Quervain's disease. Cir. plást. iberolatinoam. [online]. 2011, vol.37, n.3, pp.289-293. ISSN 1989-2055.  https://dx.doi.org/10.4321/S0376-78922011000300010.

Surgical release of the first compartment of the hand containing abductor pollicis longus tendon (APL) and extensor pollicis brevis (EPB) is the gold standard treatment for De Quervain's disease. It´s well known that a septum commonly exists between these two tendons. The importance of this septum has been addressed in current literature. Knowledge of this anatomy and its prevalence is important as failure to address first compartment as two subcompartments could lead to treatment failure and persistent symptoms. The aim of this study is to determine the prevalence of subcompartments in the first hand extensor compartment in mexicans. We performed 32 releases of the first extensor compartment in 30 patients at the Hospital General Dr. Manuel Gez González in México DF, all of them with De Quervain disease. Median follow up was 7,5 months. We found and released the described subcompartment in 21 patients (65,6 %), with EPB in the subcompartment in 100 % of the cases. The APL presented 3 bundles in 31,25 %, 2 bundles in 53,12 % and 1 bundle in 15,6 %. The EPB presented 2 bundles in 6,25 % and 1 bundle in 93,75 %. No patients experienced recurrence of De Quervain disease symptoms. We hypothesize that the rate of recurrence may be due to failure in identifying and releasing the subcompartments.

Keywords : Hand; De Quervain´s disease; Abductor pollicis longus; Extensor pollicis brevis.

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