Congenital Upper Limb Anomalies and Surgical Interventions
Summary
Congenital upper limb anomalies constitute a diverse range of malformations present at birth, including transverse or longitudinal deficiencies, digit duplications (polydactyly), fusions (syndactyly), and hypoplasias of the thumb or radius. These variations may occur in isolation or as part of syndromic conditions and can profoundly affect grasp, dexterity and psychosocial well-being. Surgical management is highly individualised and aims to restore stable, sensate, five-digit hands with functional opposition and alignment. Techniques include soft-tissue contracture releases, tendon transfers, osteotomies, bone centralisation and radialization procedures, as well as complex reconstructive strategies such as pollicization and microvascular toe-to-hand transfers. Innovations in three-dimensional planning, minimally invasive approaches and postoperative rehabilitation protocols have enhanced precision and functional outcomes. Emerging research in tissue engineering and vascularised composite allotransplantation offers potential future avenues for more biologically integrated reconstructions and long-term limb function.
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Congenital Upper Limb Anomalies and Surgical Interventions publication trend
The graph below shows the total number of articles in congenital upper limb anomalies and surgical interventions across all publications each year (not limited to Nature Index journals).
Technical terms
Polydactyly: Presence of one or more extra digits beyond the normal five on the hand.
Syndactyly: Fusion of two or more fingers or toes due to soft-tissue webbing or bone involvement.
Centralisation: Surgical realignment of the carpal bones over the ulna in radial dysplasia to correct angular deformity.
Pollicization: Transposition of the index finger to reconstruct a functioning thumb in cases of hypoplasia or aplasia.
Vascularised toe transfer: Microsurgical transfer of a toe, including its blood supply, to reconstruct digits or a thumb.
References
- Correction of symbrachydactyly: a systematic review of surgical options. Systematic Reviews (2023).
- Methods for Congenital Thumb Hypoplasia Reconstruction. A Review of the Outcomes for Ten Years of Surgical Treatment. Medicina (2019).
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