Mano y muñeca

Tratamiento cerrado de las luxaciones no reumáticas del tendón extensor…(I)

"Tratamiento cerrado de las luxaciones no reumáticas del tendón extensor y de la articulación metacarpofalange."

Louis W. Catalano III MD, , Salil Gupta MD, Raymond Ragland III MD, Steven Z. Glickel MD, Caryl Johnson BS and O. Alton Barron MD

Department of Orthopaedic Surgery, St. Luke’s–Roosevelt Hospital Hand Service, New York, NY

Purpose Acute sagittal band injuries at the metacarpophalangeal (MCP) joint resulting in subluxation or dislocation of the extensor tendons may cause pain and swelling at the MCP joint and limit active extension of the MCP joint. These injuries often are treated with surgical repair or reconstruction. This article outlines a nonsurgical treatment protocol that uses a customized splint for acute, nonrheumatoid extensor tendon dislocations caused by injury to the sagittal bands.

Methods We retrospectively reviewed 10 patients with 11 acute sagittal band injuries who were treated with a splint of thermally molded plastic that differentially holds the injured MCP joint in 25° to 35° of hyperextension relative to the adjacent MCP joints. All the sagittal band ruptures resulted in complete dislocation of the extensor digitorum communis (EDC) tendon—Rayan and Murray type III injuries. Active proximal interphalangeal and distal interphalangeal motion was begun immediately at the time of initial splinting. The average follow-up period was 14 months.

Results At the time of final evaluation all patients had full range of motion in flexion and extension. Eight patients had no pain and 3 had moderate pain. Four patients (5 digits) had no extensor tendon subluxations and 3 had barely discernable subluxations. Three patients had moderate subluxation of the EDC tendon and their treatments were considered failures. One of these patients had subsequent sagittal band reconstruction.

Conclusions Our results show acute sagittal band injuries in nonrheumatoid patients resulting in dislocation of the EDC tendon can be managed nonsurgically in many patients with a customized splint called the sagittal band bridge.

The Journal of Hand Surgery. Volume 31, Issue 2 , February 2006, Pages 242-245.

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