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Rates of Perioperative Complications Associated with Laminectomies in Patients with Achondroplasia

¹ c/o Elaine P. Henze, BJ, ELS, Medical Editor, Department of Orthopaedic Surgery, Johns Hopkins Bayview Medical Center, 4940 Eastern Avenue, #A672, Baltimore, MD 21224-2780. E-mail address for M. Ain: ehenze1{at}jhmi.edu
Investigation performed at the Department of Orthopaedic Surgery, The Johns Hopkins University/Johns Hopkins Bayview Medical Center, Baltimore, Maryland

Disclosure: In support of their research for or preparation of this work, one or more of the authors received, in any one year, outside funding or grants of less than $10,000 from The Johns Hopkins University School of Medicine Dean's Fund. Neither they nor a member of their immediate families received payments or other benefits or a commitment or agreement to provide such benefits from a commercial entity. No commercial entity paid or directed, or agreed to pay or direct, any benefits to any research fund, foundation, division, center, clinical practice, or other charitable or nonprofit organization with which the authors, or a member of their immediate families, are affiliated or associated.

Methods: We reviewed the medical records of the initial laminectomies for all ninety-eight patients with achondroplasia at our institution, which included twenty-eight patients who had had previous spine surgeries at other institutions, and determined the rates of complications in the following categories: neurologic, pulmonary, cardiovascular, and gastrointestinal complications; intraoperative dural tears; infections at the incision site; and mortality.

Results: Sixty (61%) of ninety-eight patients had at least one perioperative complication. By category, these included intraoperative dural tears, which occurred in 37% (thirty-six patients); neurologic complications, in 23% (twenty-three patients); infections at the incision site, in 9% (nine patients); deep venous thrombosis, in 3% (three patients); pulmonary complications, in 3% (three patients); and gastrointestinal complications, in 3% (three patients). The only death was caused by a pulmonary embolism.

Conclusions: Perioperative complications are common in patients with achondroplasia undergoing multilevel laminectomies, and the perioperative care team should be aware of these complications when caring for these patients.

Level of Evidence: Therapeutic Level IV. See Instructions to Authors for a complete description of levels of evidence.

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