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      Injerto óseo pediculado de pronador cuadrado en el tratamiento de la seudoartrosis de escafoides Translated title: Greffe osseuse pédiculée du carré pronateur dans le traitement de la pseudarthrose du scaphoïde Translated title: Pronator quadratus pedicled bone graft in the treatment of scaphoid pseudoarthrosis

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          Abstract

          La pseudoartrosis del escafoides es un reto para el cirujano de mano. Dentro de los diferentes métodos de tratamiento quirúrgico de la no unión del escafoides se resalta la fijación interna acompañada de injertos óseos autólogos de corticoesponjosa y otras técnicas de injertos óseos vascularizados. El propósito de esta investigación es mostrar nuestra experiencia con el injerto óseo pediculado al pronador cuadrado. Se reportan 17 pacientes con pseudoartrosis del escafoides carpiano sin cambios osteoartríticos a nivel de la articulación radiocarpiana, los cuales fueron tratados mediante injerto óseo pediculado al pronador cuadrado y fijación interna. En todos los pacientes operados se obtuvo consolidación de la no unión. La técnica propuesta en nuestro trabajo también permitió realizar una corrección de la deformidad angular del escafoides.

          Translated abstract

          La pseudarthrose du scaphoïde est un défi pour le chirurgien orthopédique. Parmi les différentes méthodes de traitement chirurgical d'une fausse articulation du scaphoïde, on met l'accent sur la fixation interne accompagnée de greffes osseuses autologues de tissu corticospongieux et d'autres techniques de greffes osseuses vascularisées. Le but de cette étude est de montrer notre expérience avec la greffe osseuse pédiculée au niveau du muscle carré pronateur. Dix-sept patients atteints de pseudarthrose du scaphoïde carpien sans changements ostéo-arthritiques au niveau de l'articulation radio-carpienne ont été traités par greffe osseuse pédiculée du carré pronateur et par fixation interne. La consolidation de la fausse articulation est obtenue chez tous les patients opérés. La technique proposée dans notre travail a aussi permis de réaliser une correction de la difformité angulaire du scaphoïde.

          Translated abstract

          Scaphoid pseudoarthrosis is a challenge for the surgeon specialized in hands. Among the different surgical methods to treat non-union of the scaphoid, one may underline the internal fixation accompanied by autologue bone grafts of corticospongious and other vascularized bone graft techniques. The objective of this research study was to show our own experience in pronator quadratus pedicled bone graft. Seventeen cases with carpal scaphoid pseudoarthrosis, but without osteoarthritic changes at radiocarpal joint, were reported; they were all treated with pronator quadratus pedicled bone graft and internal fixator. The non-union consolidation was seen in all the patients. The suggested technique also allowed making the angle deformity corrections of the scaphoid.

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          Most cited references18

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          Fracture of the carpal navicular. Diagnosis, non-operative treatment, and operative treatment.

          O RUSSE (1960)
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            Use of the 1,2 intercompartmental supraretinacular artery as a vascularized pedicle bone graft for difficult scaphoid nonunion

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              A technique for anterior wedge-shaped grafts for scaphoid nonunions with carpal instability.

              This article presents a brief description of the following modifications of the original Fisk procedure for navicular nonunions with carpal instability: (1) preoperative calculation of exact scaphoid length and form based on comparative roentgenograms of the opposite wrist, (2) the use of a palmar approach, (3) the insertion of a wedge-shaped corticocancellous graft from the iliac crest after resection of the pseudarthrosis, and (4) the use of internal fixation. Preoperative planning is considered essential to restore the anatomic length, analyze the angular deformity, evaluate the pathologic scapholunate angle, and calculate the resection and size of the graft needed. The palmar approach reduces the danger of iatrogenic damage of the vascular supply of the scaphoid and accidental lesions of the superficial branches of the radial nerve. Furthermore it provides a better exposure of the scapholunate joint to correct lunate rotation. Iliac bone is preferred to the radial styloid graft, as proposed by Fisk, because of its better ability to resist compression forces. Internal fixation adds rotational stability so that continued postoperative plaster immobilization can be reduced to a minimum of 8 weeks.
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                ort
                Revista Cubana de Ortopedia y Traumatología
                Rev Cubana Ortop Traumatol
                Editorial Ciencias Médicas (Ciudad de la Habana )
                1561-3100
                December 2008
                : 22
                : 2
                : 0
                Affiliations
                [1 ] Hospital Clínicoquirúrgico Docente Comandante Manuel Fajardo Cuba
                Article
                S0864-215X2008000200003
                a5d9aa64-4d3d-4cb4-b301-e36043926c4a

                http://creativecommons.org/licenses/by/4.0/

                History
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                SciELO Cuba

                Self URI (journal page): http://scielo.sld.cu/scielo.php?script=sci_serial&pid=0864-215X&lng=en
                Categories
                ORTHOPEDICS

                Orthopedics
                scaphoids,vascularized bone graft,Pseudarthrose,scaphoïde,greffe osseuse vascularisée,Pseudoarthrosis,escafoides,injerto óseo vascularizado,Pseudoartrosis

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