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Laparoscopic Nissen Fundoplication During Gastrostomy Tube Placement and Noninvasive Ventilation May Improve Survival in Type I and Severe Type II Spinal Muscular Atrophy

Divisions of Pediatric Pulmonology, Lucile Packard Children's Hospital, Stanford University Medical Center, Stanford, California, nyuan{at}stanford.edu

Ching H. Wang, MD, PhD

Pediatric Neurology, Luclie Packard Children's Hosputal, Stanford University Medical Center, Stanford, California

Anthony Trela, BS

Pediatric Neurology, Luclie Packard Children's Hosputal, Stanford University Medical Center, Stanford, California

Craig T. Albanese, MD

Pediatric Surgery Lucile Packard Children's Hospital, Stanford University Medical Center, Stanford, California

Progressive respiratory muscle weakness with bulbar involvement is the main cause of morbidity and mortality in type I and severe type II spinal muscular atrophy. Noninvasive positive pressure ventilation techniques coupled with laparoscopic gastrointestinal procedures may allow for improved morbidity and mortality. The authors present a series of 7 spinal muscular atrophy patients (6 type I and 1 severe type II) who successfully underwent laparoscopic gastrostomy tube insertion coupled with Nissen fundoplication and early postoperative extubation using noninvasive positive pressure ventilation techniques. The authors measured the length of survival and the frequencies of pneumonia and hospitalization before and after surgery as outcomes of these new surgical and medical interventions. All 7 patients had respiratory symptoms (unmanageable oropharyngeal secretions, cough, pneumonia), difficulty feeding, and weight loss. Six patients had documented reflux via diagnostic testing preoperatively. Five patients were on noninvasive positive pressure ventilation and other supportive respiratory therapies prior to surgery. All 7 patients survived the procedures. By August 2006, 5 patients with type I and 1 with severe type II spinal muscular atrophy were alive and medically stable at home 1.5 months to 41 months post-op. One patient with type I expired approximately 5 months post-op due to obstructive apnea. This case series demonstrates that laparoscopic gastrostomy tube placement coupled with Nissen fundoplication and noninvasive positive pressure ventilation can be successfully used as a treatment option to allow for early postoperative extubation and to optimize quality of life in type I and severe type II spinal muscular atrophy patients.

Key Words: spinal muscular atrophy • laparoscopic Nissen fundoplication • gastrostomy tube • noninvasive positive pressure ventilation

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