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001-es BibID:	BIBFORM034469
Első szerző:	Fekete Tamás Fülöp
Cím:	Prospective study of the effect of pedicle screw placement on development of the immature vertebra in an in vivo porcine model / Fekete Tamás Fülöp, Kleinstück Frank S., Mannion Anne F., Kendik Zsolt S., Jeszenszky Dezső J.
Dátum:	2011
ISSN:	0940-6719
Megjegyzések:	INTRODUCTION: There is increasing awareness of the need for pedicle screw constructs in the treatment of spinal deformities in very young children. However, the long-term effects of pedicle screws on the immature spine are still unclear. We used a porcine model to analyze the morphological changes of the spinal canal and vertebral body in response to the placement of pedicle screws. METHODS: 13 newborn pigs were operated on. Each pig received a single pedicle screw at the L2 level. After a tenfold increase in body weight (7 months later), the symmetry of the spinal canal and vertebral body was measured on CT scans of the investigational (L2) and control (L3) levels in terms of the angulations of the instrumented and non-instrumented halves of the vertebral body and spinal canal. RESULTS: After 7 months, the normalised vertebral body angle had reduced on the non-screw side and increased on the screw side, indicating asymmetry in vertebral body growth in the axial plane. The difference was significant (p = 0.009). However, there was no significant difference between the screw and non-screw sides for the spinal canal angles at the L2 level at either the intraoperative or 7-month follow-up assessment (each p > 0.05). CONCLUSIONS: Pedicle screws in the immature porcine spine have a significant effect on the development of the vertebral body. However, in the present study, no corresponding alteration of the morphology of the spinal canal was observed. Our results provide further support for the existing arguments in favour of pedicle screws when weighing up the many factors to be considered in creating a treatment plan for early onset scoliosis.
Tárgyszavak:	Orvostudományok Elméleti orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
Megjelenés:	European Spine Journal. - 20 : 11 (2011), p. 1892-1898. -
További szerzők:	Kleinstück, Frank S. Mannion, Anne F. Kendik, Zsolt S. Jeszenszky Dezső (1954-) (idegsebész, ortopédus)
Internet cím:	Szerző által megadott URL DOI Intézményi repozitóriumban (DEA) tárolt változat
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001-es BibID:	BIBFORM034542
Első szerző:	Jeszenszky Dezső (idegsebész, ortopédus)
Cím:	Fusionless posterior hemivertebra resection in a 2-year-old child with 16 years follow-up / Jeszenszky, D., Fekete, T. F., Kleinstueck, F. S., Haschtmann, D., Bognár, L.
Dátum:	2012
ISSN:	0940-6719
Megjegyzések:	PURPOSE: We present the case of a 2-year-old patient with congenital scoliosis due to a lumbar hemivertebra. The current gold standard treatment of such an abnormality would be hemivertebra resection and short level posterior spinal fusion. However, due to the young age of the patient, we considered that application of a fusionless solution might offer advantages in terms of retaining normal segmental motion and the potential for growth.METHODS:The incarcerated hemivertebra was resected and the facet joints of the neighbouring vertebrae were joined to create a new functional motion segment and correct the kyphoscoliotic deformity. Transpedicular screws were inserted on the convex side in L2 and L3 and a tension band was applied.RESULTS:16 years after the surgery, the patient was completely pain-free, motion of the lumbar spine was preserved and the physiological curvatures were maintained.CONCLUSION:To our knowledge a fusionless surgical solution for the treatment of a hemivertebra has never been described before. Although this is only a single case, the good result with a long follow-up suggests the technique is worthwhile considering when planning the treatment of a lumbar hemivertebra in very young children.
Tárgyszavak:	Orvostudományok Klinikai orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
Megjelenés:	European Spine Journal. - 65 : 1-2 (2012), p. 17-24. -
További szerzők:	Fekete Tamás Fülöp Kleinstück, Frank S. Haschtmann, Daniel Bognár László (1958-) (idegsebész, gyermekidegsebész)
Internet cím:	Szerző által megadott URL DOI Intézményi repozitóriumban (DEA) tárolt változat
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