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Posterior Spinal Fusion in Children With Flaccid Neuromuscular Scoliosis: The Role of Noninvasive Positive Pressure Ventilatory Support

Mills, Bryan MD*; Bach, John R. MD; Zhao, Caixia MD*; Saporito, Lou BS; Sabharwal, Sanjeev MD, MPH*

Journal of Pediatric Orthopaedics:
doi: 10.1097/BPO.0b013e318287058f
Spine
Abstract

Background: Noninvasive intermittent positive pressure ventilatory assistance/support (NIV) can permit long-term survival for patients with no autonomous ability to breathe. Its role was explored in the perioperative management of children with flaccid neuromuscular scoliosis.

Methods: Vital capacity (VC), peak cough flow, and the extent of ventilator dependence were documented before and after surgical correction of scoliosis for children with Duchenne muscular dystrophy (DMD) and spinal muscular atrophy (SMA) with VCs as low as 2%. All patients and their caretakers were trained in NIV and mechanically assisted coughing preoperatively. Postoperatively, all were extubated using a specific protocol irrespective of their extent of ventilator dependence.

Results: Thirty-four children (16 DMD, 18 SMA) underwent posterior spinal arthrodesis for scoliosis at 11.7 (range, 6.6 to 16.6 y) years of age. The Cobb angle decreased from a mean 66 (range, 20 to 135 degrees) to 16 (range, 10 to 51 degrees) degrees. Fifteen patients (5 DMD, 10 SMA) had preoperative VC<40% of normal. All were extubated successfully by postoperative day 3 despite 14 failing preextubation and postextubation spontaneous breathing trials and requiring continuous NIV for up to 21 days after extubation. None had postoperative respiratory complications or required reintubation or readmission for pulmonary issues for at least 6 months postoperatively.

Conclusions: Noninvasive positive pressure ventilator support is an alternative to invasive airway intubation in the perioperative management of children with flaccid neuromuscular scoliosis.

Level of Evidence: Level IV—case series.

Author Information

Departments of *Orthopedics

Physical Medicine and Rehabilitation, University of Medicine and Dentistry of New Jersey (UMDNJ), New Jersey Medical School, Newark, NJ

There was no external source of funding for this study.

The authors declare no conflict of interest.

Reprints: Sanjeev Sabharwal, MD, MPH, Department of Orthopedics, University of Medicine and Dentistry of New Jersey (UMDNJ), New Jersey Medical School, 90 Bergen Street, Suite 7300, Newark, NJ 07103. E-mail: sabharsa@umdnj.edu.

© 2013 by Lippincott Williams & Wilkins