Anil Agarwal1,2, Anubrat Kumar3. 1. Department of Pediatric Orthopaedics, Chacha Nehru Bal Chikitsalaya, Geeta Colony, Delhi, 110031, India. rachna_anila@yahoo.co.in. 2. , 4/103, East End Apartments, Mayur Vihar Ph-1 Ext., Delhi, 110096, India. rachna_anila@yahoo.co.in. 3. Department of Pediatric Orthopaedics, Chacha Nehru Bal Chikitsalaya, Geeta Colony, Delhi, 110031, India.
Abstract
BACKGROUND: A peculiarity of non-vascularized fibular harvest is that the donor site regenerates new bone provided periosteum is preserved. We prospectively investigated the regenerated fibula quantitatively and studied clinical implications of non-regeneration. MATERIAL AND METHODS: The fibula was harvested using a periosteum preserving technique. Only fibulae from healthy legs were harvested. X-rays were done pre- and post-operatively at three and six months. Clinical assessment of donor limb included pain, gait, motor and sensory examination. Fibular regeneration was quantified using defined length and width criteria. RESULTS: There were 16 children with 21 harvested fibula. About 65 % of total fibular length was available for use as graft. There was regeneration of fibula similar to the pre-operative dimensions as early as six months in 71 % of cases. There were no clinical morbid findings as assessed at six months follow up despite non-continuity being observed in 29 % of cases. The predominant site for non-continuity was middle third-distal third junction. CONCLUSIONS: Periosteal preserving non-vascularized fibula grafting was a low morbidity procedure. In two-third of the cases, there was regeneration of fibula comparable to pre-operative dimensions as early as six months. The non-continuous regeneration had no clinical implications.
BACKGROUND: A peculiarity of non-vascularized fibular harvest is that the donor site regenerates new bone provided periosteum is preserved. We prospectively investigated the regenerated fibula quantitatively and studied clinical implications of non-regeneration. MATERIAL AND METHODS: The fibula was harvested using a periosteum preserving technique. Only fibulae from healthy legs were harvested. X-rays were done pre- and post-operatively at three and six months. Clinical assessment of donor limb included pain, gait, motor and sensory examination. Fibular regeneration was quantified using defined length and width criteria. RESULTS: There were 16 children with 21 harvested fibula. About 65 % of total fibular length was available for use as graft. There was regeneration of fibula similar to the pre-operative dimensions as early as six months in 71 % of cases. There were no clinical morbid findings as assessed at six months follow up despite non-continuity being observed in 29 % of cases. The predominant site for non-continuity was middle third-distal third junction. CONCLUSIONS: Periosteal preserving non-vascularized fibula grafting was a low morbidity procedure. In two-third of the cases, there was regeneration of fibula comparable to pre-operative dimensions as early as six months. The non-continuous regeneration had no clinical implications.
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