Naohisa Miyakoshi1, Michio Hongo2, Yuji Kasukawa2, Yoshinori Ishikawa2, Daisuke Kudo2, Yoichi Shimada2. 1. Department of Orthopedic Surgery, Akita University Graduate School of Medicine, Akita, Japan. Electronic address: miyakosh@doc.med.akita-u.ac.jp. 2. Department of Orthopedic Surgery, Akita University Graduate School of Medicine, Akita, Japan.
Abstract
BACKGROUND: Venous air embolism (VAE) is a rare but, frequently, fatal complication that can occur during surgery. Several reported studies have shown visible bubbling of air at the surgical site as the first clinical indication of VAE-induced cardiovascular collapse during prone-position spine surgery. However, to the best of our knowledge, video imaging of this phenomenon has not been previously reported. CASE DESCRIPTION: A 41-year-old man had undergone cervical laminoplasty for ossification of the posterior longitudinal ligament and thoracic laminectomy for ossification of the posterior longitudinal ligament and ossification of the ligamentum flavum in the prone position. The entire surgery was recorded with video imaging. Before cardiac arrest due to the massive VAE, visible air bubbling had been observed at the operated site of the thoracic laminectomy, and this phenomenon had been incidentally recorded with the video. The patient recovered with cardiopulmonary resuscitation and intensive treatment against severe acute respiratory distress syndrome due to pulmonary damage. CONCLUSIONS: The present case report offers the first video imaging evidence of intraoperative visible air bubbling as a sign of a massive VAE during prone-position spine surgery. To the best of our knowledge, this is also the first report of intraoperative VAE in a patient with extensive ossification of the spinal ligaments.
BACKGROUND:Venous air embolism (VAE) is a rare but, frequently, fatal complication that can occur during surgery. Several reported studies have shown visible bubbling of air at the surgical site as the first clinical indication of VAE-induced cardiovascular collapse during prone-position spine surgery. However, to the best of our knowledge, video imaging of this phenomenon has not been previously reported. CASE DESCRIPTION: A 41-year-old man had undergone cervical laminoplasty for ossification of the posterior longitudinal ligament and thoracic laminectomy for ossification of the posterior longitudinal ligament and ossification of the ligamentum flavum in the prone position. The entire surgery was recorded with video imaging. Before cardiac arrest due to the massive VAE, visible air bubbling had been observed at the operated site of the thoracic laminectomy, and this phenomenon had been incidentally recorded with the video. The patient recovered with cardiopulmonary resuscitation and intensive treatment against severe acute respiratory distress syndrome due to pulmonary damage. CONCLUSIONS: The present case report offers the first video imaging evidence of intraoperative visible air bubbling as a sign of a massive VAE during prone-position spine surgery. To the best of our knowledge, this is also the first report of intraoperative VAE in a patient with extensive ossification of the spinal ligaments.
Keywords:
Intraoperative visible air bubbling; Ossification of ligamentum flavum; Ossification of posterior longitudinal ligament; Prone position; Venous air embolism
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