The feasibility and safety of using sublaminar polyester bands in hybrid spinal constructs in children and transitional adults for neuromuscular scoliosis

Sohum K. Desai, Christina Sayama, Daniel Vener, Alison Brayton, Valentina Briceño, Thomas G. Luerssen, Andrew Jea

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

OBJECT: The authors have previously reported on their early experience with sublaminar polyester bands in spine surgery. In this paper, the authors describe the use of sublaminar polyester bands in long-segment posterior instrumented spinal fusions from the upper thoracic spine to the ilium in 21 children and transitional adults with progressive neuromuscular scoliosis. Transitional adults were patients older than 18 years of age with a spinal disorder of pediatric onset, such as spina bifida. This dedicated study represents the first reported use of polyester bands in spine surgery for neuromuscular scoliosis in this patient population in the US.

METHODS: The authors retrospectively reviewed the demographics and procedural data of patients who underwent posterior instrumented fusion using sublaminar polyester bands for neuromuscular scoliosis.

RESULTS: Twenty-one pediatric and adult transitional patients, ranging in age from 10 to 20 years (mean 14 years), underwent posterior instrumented fusion for progressive neuromuscular scoliosis. The average coronal Cobb angle measured 66° before surgery (range 37°-125°). Immediately after surgery, the mean coronal Cobb angle was 40° (range 13°-85°). At last follow-up, the average coronal Cobb angle was maintained at 42° (range 5°-112°). Regarding sagittal parameters, thoracic kyphosis was restored by 8%, and lumbar lordosis improved by 20% after surgery. Mean follow-up duration was 17 months (range 2-54 months). One patient with an aborted procedure due to loss of intraoperative evoked potentials was excluded from the analysis of radiographic outcomes. Mean surgical time was 7 hours 43 minutes (range 3 hours 59 minutes to 10 hours 23 minutes). All patients received either a 12- or 24-mg dose of recombinant human bone morphogenetic protein-2. Average estimated blood loss was 976 ml (range 300-2700 ml). Complications directly related to the use of sublaminar instrumentation included transient proprioceptive deficit (1 patient) and prolonged paraparesis (1 patient). Other complications noted in this series included disengagement of the rod from an iliac screw (1 patient), proximal junctional kyphosis (1 patient), noninfected wound drainage (2 patients), and perioperative death (1 patient). The lessons learned from these complications are discussed.

CONCLUSIONS: Pedicle screws, laminar/pedicle/transverse process hooks, and sublaminar metal wires have been incorporated into posterior spinal constructs and widely reported and used in the thoracic and lumbar spines and sacrum with varying success. This report demonstrates the satisfactory radiological outcomes of hybrid posterior spinal constructs in pediatric and adult neuromuscular scoliosis that include sublaminar polyester bands that promise the technical ease of passing sublaminar instrumentation with the immediate biomechanical rigidity of pedicle screws and hooks. However, the high neurological complication rate associated with this technique (2/21, or 10%) tempers the acceptable radiographic outcomes.

Original languageEnglish (US)
Pages (from-to)328-337
Number of pages10
JournalJournal of neurosurgery. Pediatrics
Volume15
Issue number3
DOIs
StatePublished - Mar 1 2015
Externally publishedYes

Fingerprint

Polyesters
Scoliosis
Safety
Spine
Kyphosis
Thorax
Pediatrics
Ilium
Paraparesis
Sacrum
Lordosis
Spinal Fusion
Spinal Dysraphism
Operative Time
Evoked Potentials
Drainage
Metals
Demography

Keywords

  • AP = anteroposterior
  • CP = cerebral palsy
  • HRQoL = health-related quality of life
  • MCS = Mental Component Score
  • MEP = motor evoked potential
  • ODI = Oswestry Disability Index
  • PCS = Physical Component Score
  • pediatric spine
  • PedsQL = Pediatric Quality of Life
  • rhBMP-2 = recombinant human bone morphogenetic protein–2
  • SF-36 = 36-Item Short Form Health Survey
  • spinal instrumentation
  • spine surgery
  • SRS = Scoliosis Research Society
  • SSEP = somatosensory evoked potential
  • sublaminar polyester bands
  • transitional adults

ASJC Scopus subject areas

  • Medicine(all)

Cite this

The feasibility and safety of using sublaminar polyester bands in hybrid spinal constructs in children and transitional adults for neuromuscular scoliosis. / Desai, Sohum K.; Sayama, Christina; Vener, Daniel; Brayton, Alison; Briceño, Valentina; Luerssen, Thomas G.; Jea, Andrew.

In: Journal of neurosurgery. Pediatrics, Vol. 15, No. 3, 01.03.2015, p. 328-337.

Research output: Contribution to journalArticle

Desai, Sohum K. ; Sayama, Christina ; Vener, Daniel ; Brayton, Alison ; Briceño, Valentina ; Luerssen, Thomas G. ; Jea, Andrew. / The feasibility and safety of using sublaminar polyester bands in hybrid spinal constructs in children and transitional adults for neuromuscular scoliosis. In: Journal of neurosurgery. Pediatrics. 2015 ; Vol. 15, No. 3. pp. 328-337.
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T1 - The feasibility and safety of using sublaminar polyester bands in hybrid spinal constructs in children and transitional adults for neuromuscular scoliosis

AU - Desai, Sohum K.

AU - Sayama, Christina

AU - Vener, Daniel

AU - Brayton, Alison

AU - Briceño, Valentina

AU - Luerssen, Thomas G.

AU - Jea, Andrew

PY - 2015/3/1

Y1 - 2015/3/1

N2 - OBJECT: The authors have previously reported on their early experience with sublaminar polyester bands in spine surgery. In this paper, the authors describe the use of sublaminar polyester bands in long-segment posterior instrumented spinal fusions from the upper thoracic spine to the ilium in 21 children and transitional adults with progressive neuromuscular scoliosis. Transitional adults were patients older than 18 years of age with a spinal disorder of pediatric onset, such as spina bifida. This dedicated study represents the first reported use of polyester bands in spine surgery for neuromuscular scoliosis in this patient population in the US.METHODS: The authors retrospectively reviewed the demographics and procedural data of patients who underwent posterior instrumented fusion using sublaminar polyester bands for neuromuscular scoliosis.RESULTS: Twenty-one pediatric and adult transitional patients, ranging in age from 10 to 20 years (mean 14 years), underwent posterior instrumented fusion for progressive neuromuscular scoliosis. The average coronal Cobb angle measured 66° before surgery (range 37°-125°). Immediately after surgery, the mean coronal Cobb angle was 40° (range 13°-85°). At last follow-up, the average coronal Cobb angle was maintained at 42° (range 5°-112°). Regarding sagittal parameters, thoracic kyphosis was restored by 8%, and lumbar lordosis improved by 20% after surgery. Mean follow-up duration was 17 months (range 2-54 months). One patient with an aborted procedure due to loss of intraoperative evoked potentials was excluded from the analysis of radiographic outcomes. Mean surgical time was 7 hours 43 minutes (range 3 hours 59 minutes to 10 hours 23 minutes). All patients received either a 12- or 24-mg dose of recombinant human bone morphogenetic protein-2. Average estimated blood loss was 976 ml (range 300-2700 ml). Complications directly related to the use of sublaminar instrumentation included transient proprioceptive deficit (1 patient) and prolonged paraparesis (1 patient). Other complications noted in this series included disengagement of the rod from an iliac screw (1 patient), proximal junctional kyphosis (1 patient), noninfected wound drainage (2 patients), and perioperative death (1 patient). The lessons learned from these complications are discussed.CONCLUSIONS: Pedicle screws, laminar/pedicle/transverse process hooks, and sublaminar metal wires have been incorporated into posterior spinal constructs and widely reported and used in the thoracic and lumbar spines and sacrum with varying success. This report demonstrates the satisfactory radiological outcomes of hybrid posterior spinal constructs in pediatric and adult neuromuscular scoliosis that include sublaminar polyester bands that promise the technical ease of passing sublaminar instrumentation with the immediate biomechanical rigidity of pedicle screws and hooks. However, the high neurological complication rate associated with this technique (2/21, or 10%) tempers the acceptable radiographic outcomes.

AB - OBJECT: The authors have previously reported on their early experience with sublaminar polyester bands in spine surgery. In this paper, the authors describe the use of sublaminar polyester bands in long-segment posterior instrumented spinal fusions from the upper thoracic spine to the ilium in 21 children and transitional adults with progressive neuromuscular scoliosis. Transitional adults were patients older than 18 years of age with a spinal disorder of pediatric onset, such as spina bifida. This dedicated study represents the first reported use of polyester bands in spine surgery for neuromuscular scoliosis in this patient population in the US.METHODS: The authors retrospectively reviewed the demographics and procedural data of patients who underwent posterior instrumented fusion using sublaminar polyester bands for neuromuscular scoliosis.RESULTS: Twenty-one pediatric and adult transitional patients, ranging in age from 10 to 20 years (mean 14 years), underwent posterior instrumented fusion for progressive neuromuscular scoliosis. The average coronal Cobb angle measured 66° before surgery (range 37°-125°). Immediately after surgery, the mean coronal Cobb angle was 40° (range 13°-85°). At last follow-up, the average coronal Cobb angle was maintained at 42° (range 5°-112°). Regarding sagittal parameters, thoracic kyphosis was restored by 8%, and lumbar lordosis improved by 20% after surgery. Mean follow-up duration was 17 months (range 2-54 months). One patient with an aborted procedure due to loss of intraoperative evoked potentials was excluded from the analysis of radiographic outcomes. Mean surgical time was 7 hours 43 minutes (range 3 hours 59 minutes to 10 hours 23 minutes). All patients received either a 12- or 24-mg dose of recombinant human bone morphogenetic protein-2. Average estimated blood loss was 976 ml (range 300-2700 ml). Complications directly related to the use of sublaminar instrumentation included transient proprioceptive deficit (1 patient) and prolonged paraparesis (1 patient). Other complications noted in this series included disengagement of the rod from an iliac screw (1 patient), proximal junctional kyphosis (1 patient), noninfected wound drainage (2 patients), and perioperative death (1 patient). The lessons learned from these complications are discussed.CONCLUSIONS: Pedicle screws, laminar/pedicle/transverse process hooks, and sublaminar metal wires have been incorporated into posterior spinal constructs and widely reported and used in the thoracic and lumbar spines and sacrum with varying success. This report demonstrates the satisfactory radiological outcomes of hybrid posterior spinal constructs in pediatric and adult neuromuscular scoliosis that include sublaminar polyester bands that promise the technical ease of passing sublaminar instrumentation with the immediate biomechanical rigidity of pedicle screws and hooks. However, the high neurological complication rate associated with this technique (2/21, or 10%) tempers the acceptable radiographic outcomes.

KW - AP = anteroposterior

KW - CP = cerebral palsy

KW - HRQoL = health-related quality of life

KW - MCS = Mental Component Score

KW - MEP = motor evoked potential

KW - ODI = Oswestry Disability Index

KW - PCS = Physical Component Score

KW - pediatric spine

KW - PedsQL = Pediatric Quality of Life

KW - rhBMP-2 = recombinant human bone morphogenetic protein–2

KW - SF-36 = 36-Item Short Form Health Survey

KW - spinal instrumentation

KW - spine surgery

KW - SRS = Scoliosis Research Society

KW - SSEP = somatosensory evoked potential

KW - sublaminar polyester bands

KW - transitional adults

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