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Anesthetic Considerations of Sporadic Inclusion Body Myositis in an Elderly Man With Orthopedic Trauma. Anesth Pain Med 2016 Apr;6(2):e35600

Date

06/02/2016

Pubmed ID

27247916

Pubmed Central ID

PMC4885454

DOI

10.5812/aapm.35600

Abstract

INTRODUCTION: Sporadic inclusion body myositis (IBM) is an inflammatory myopathy characterized by progressive asymmetric extremity weakness, oropharyngeal dysphagia, and the potential for exaggerated sensitivity to neuromuscular blockers and respiratory compromise. The authors describe their management of a patient with IBM undergoing urgent orthopedic surgery.

CASE PRESENTATION: An 81-year-old man with IBM suffered a left intertrochanteric femoral fracture after falling down stairs. His IBM caused progressive left proximal lower extremity, bilateral distal upper extremity weakness (left > right), and oropharyngeal dysphagia (solid food, pills). He denied dyspnea, exercise intolerance, and a history of aspiration. Because respiratory insufficiency resulting from diaphragmatic dysfunction and prolonged duration of action of neuromuscular blockers may occur in IBM, the authors avoided using a neuromuscular blocker. After applying cricoid pressure, anesthesia was induced using intravenous lidocaine, propofol, remifentanil followed by manual ventilation with inhaled sevoflurane in oxygen. Endotracheal intubation was accomplished without difficulty; anesthesia was then maintained using remifentanil and sevoflurane. The fracture was repaired with a trochanteric femoral nail. The patient was extubated without difficulty and made an uneventful recovery.

CONCLUSIONS: In summary, there is a lack of consensus about the use of neuromuscular blockers in patients with IBM. The authors avoided these drugs and were able to easily secure the patient's airway and maintain adequate muscle relaxation using a balanced sevoflurane-remifentanil anesthetic. Clinical trials are necessary to define the pharmacology of neuromuscular blockers in patients with IBM and determine whether use of these drugs contributes to postoperative respiratory insufficiency in these vulnerable patients.

Author List

Steck DT, Choi C, Gollapudy S, Pagel PS

Authors

Suneeta Gollapudy MD Associate Professor in the Anesthesiology department at Medical College of Wisconsin
Paul S. Pagel MD, PhD Professor in the Anesthesiology department at Medical College of Wisconsin




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