Comparison of single and dual growing rod techniques followed through definitive surgery: A preliminary study

George H. Thompson, Behrooz A. Akbarnia, Patricia Kostial, Connie Poe-Kochert, Douglas G. Armstrong, Jeffrey Roh, Robert Lowe, Marc A. Asher, David S. Marks

Research output: Contribution to journalArticle

200 Citations (Scopus)

Abstract

Study Design. Retrospective analysis of patients treated with single and dual growing rods who had completed their course of treatment, had definitive fusion, and had a minimum of 2 years follow-up. Objectives. To determine which technique was the most effective in the management of severe spinal deformity in young children: control of the spinal deformity, spinal growth, and the incidence of complications. Summary of Background Date. Growing rod techniques provide proximal and distal segmental "claw" foundations, but their overall results through definitive fusion have not been clearly determined. Methods. A total of 28 consecutive patients who had growing rod procedures followed through definitive spinal fusions were analyzed. There were three patient groups: Group 1 (N = 5), single submuscular rod and short apical fusion; Group 2 (N = 16), single growing rod alone; and Group 3 (N = 7), dual growing rods. Results. The interval between initial rod insertion and definitive spinal fusion was similar in all three groups. The best overall results occurred in Group 3, whereas the patients in Group 1 had the worse results. Both Groups 2 and 3 provided good initial correction of the spinal deformity and allowed spinal growth. Group 2 had better frontal and sagittal plane balance and the lowest complication rate. Conclusion. The use of growing rods is effective in controlling severe spinal deformities and allowing spinal growth. Dual rods are stronger than single rods and, therefore, provide better initial correction and maintenance of correction. The use of an apical fusion does not appear to be effective over the course of treatment.

Original languageEnglish (US)
Pages (from-to)2039-2044
Number of pages6
JournalSpine
Volume30
Issue number18
DOIs
StatePublished - Sep 15 2005

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Spinal Fusion
Growth
Hoof and Claw
Maintenance
Incidence
Therapeutics

All Science Journal Classification (ASJC) codes

  • Orthopedics and Sports Medicine
  • Clinical Neurology

Cite this

Thompson, George H. ; Akbarnia, Behrooz A. ; Kostial, Patricia ; Poe-Kochert, Connie ; Armstrong, Douglas G. ; Roh, Jeffrey ; Lowe, Robert ; Asher, Marc A. ; Marks, David S. / Comparison of single and dual growing rod techniques followed through definitive surgery : A preliminary study. In: Spine. 2005 ; Vol. 30, No. 18. pp. 2039-2044.
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abstract = "Study Design. Retrospective analysis of patients treated with single and dual growing rods who had completed their course of treatment, had definitive fusion, and had a minimum of 2 years follow-up. Objectives. To determine which technique was the most effective in the management of severe spinal deformity in young children: control of the spinal deformity, spinal growth, and the incidence of complications. Summary of Background Date. Growing rod techniques provide proximal and distal segmental {"}claw{"} foundations, but their overall results through definitive fusion have not been clearly determined. Methods. A total of 28 consecutive patients who had growing rod procedures followed through definitive spinal fusions were analyzed. There were three patient groups: Group 1 (N = 5), single submuscular rod and short apical fusion; Group 2 (N = 16), single growing rod alone; and Group 3 (N = 7), dual growing rods. Results. The interval between initial rod insertion and definitive spinal fusion was similar in all three groups. The best overall results occurred in Group 3, whereas the patients in Group 1 had the worse results. Both Groups 2 and 3 provided good initial correction of the spinal deformity and allowed spinal growth. Group 2 had better frontal and sagittal plane balance and the lowest complication rate. Conclusion. The use of growing rods is effective in controlling severe spinal deformities and allowing spinal growth. Dual rods are stronger than single rods and, therefore, provide better initial correction and maintenance of correction. The use of an apical fusion does not appear to be effective over the course of treatment.",
author = "Thompson, {George H.} and Akbarnia, {Behrooz A.} and Patricia Kostial and Connie Poe-Kochert and Armstrong, {Douglas G.} and Jeffrey Roh and Robert Lowe and Asher, {Marc A.} and Marks, {David S.}",
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Thompson, GH, Akbarnia, BA, Kostial, P, Poe-Kochert, C, Armstrong, DG, Roh, J, Lowe, R, Asher, MA & Marks, DS 2005, 'Comparison of single and dual growing rod techniques followed through definitive surgery: A preliminary study', Spine, vol. 30, no. 18, pp. 2039-2044. https://doi.org/10.1097/01.brs.0000179082.92712.89

Comparison of single and dual growing rod techniques followed through definitive surgery : A preliminary study. / Thompson, George H.; Akbarnia, Behrooz A.; Kostial, Patricia; Poe-Kochert, Connie; Armstrong, Douglas G.; Roh, Jeffrey; Lowe, Robert; Asher, Marc A.; Marks, David S.

In: Spine, Vol. 30, No. 18, 15.09.2005, p. 2039-2044.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Comparison of single and dual growing rod techniques followed through definitive surgery

T2 - A preliminary study

AU - Thompson, George H.

AU - Akbarnia, Behrooz A.

AU - Kostial, Patricia

AU - Poe-Kochert, Connie

AU - Armstrong, Douglas G.

AU - Roh, Jeffrey

AU - Lowe, Robert

AU - Asher, Marc A.

AU - Marks, David S.

PY - 2005/9/15

Y1 - 2005/9/15

N2 - Study Design. Retrospective analysis of patients treated with single and dual growing rods who had completed their course of treatment, had definitive fusion, and had a minimum of 2 years follow-up. Objectives. To determine which technique was the most effective in the management of severe spinal deformity in young children: control of the spinal deformity, spinal growth, and the incidence of complications. Summary of Background Date. Growing rod techniques provide proximal and distal segmental "claw" foundations, but their overall results through definitive fusion have not been clearly determined. Methods. A total of 28 consecutive patients who had growing rod procedures followed through definitive spinal fusions were analyzed. There were three patient groups: Group 1 (N = 5), single submuscular rod and short apical fusion; Group 2 (N = 16), single growing rod alone; and Group 3 (N = 7), dual growing rods. Results. The interval between initial rod insertion and definitive spinal fusion was similar in all three groups. The best overall results occurred in Group 3, whereas the patients in Group 1 had the worse results. Both Groups 2 and 3 provided good initial correction of the spinal deformity and allowed spinal growth. Group 2 had better frontal and sagittal plane balance and the lowest complication rate. Conclusion. The use of growing rods is effective in controlling severe spinal deformities and allowing spinal growth. Dual rods are stronger than single rods and, therefore, provide better initial correction and maintenance of correction. The use of an apical fusion does not appear to be effective over the course of treatment.

AB - Study Design. Retrospective analysis of patients treated with single and dual growing rods who had completed their course of treatment, had definitive fusion, and had a minimum of 2 years follow-up. Objectives. To determine which technique was the most effective in the management of severe spinal deformity in young children: control of the spinal deformity, spinal growth, and the incidence of complications. Summary of Background Date. Growing rod techniques provide proximal and distal segmental "claw" foundations, but their overall results through definitive fusion have not been clearly determined. Methods. A total of 28 consecutive patients who had growing rod procedures followed through definitive spinal fusions were analyzed. There were three patient groups: Group 1 (N = 5), single submuscular rod and short apical fusion; Group 2 (N = 16), single growing rod alone; and Group 3 (N = 7), dual growing rods. Results. The interval between initial rod insertion and definitive spinal fusion was similar in all three groups. The best overall results occurred in Group 3, whereas the patients in Group 1 had the worse results. Both Groups 2 and 3 provided good initial correction of the spinal deformity and allowed spinal growth. Group 2 had better frontal and sagittal plane balance and the lowest complication rate. Conclusion. The use of growing rods is effective in controlling severe spinal deformities and allowing spinal growth. Dual rods are stronger than single rods and, therefore, provide better initial correction and maintenance of correction. The use of an apical fusion does not appear to be effective over the course of treatment.

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