• L Hellinger, A M Keppler, H Schoeppenthau, J Perras, and R Bender.
• Department of Trauma Surgery and Intensive Care Medicine, BG Trauma Center Murnau, 82418, Murnau am Staffelsee, Germany. lena.hellinger@bgu-murnau.de.
• Anaesthesist. 2019 Jul 1; 68 (7): 456-460.

AbstractIatrogenic arterial gas embolism (AGE) can be life-threatening. The only causal treatment is immediate hyperbaric oxygen therapy (HBOT). This article reports on a case of a 74-year-old male patient who underwent computed tomography (CT)-guided lung biopsy of suspect nodules after squamous cell carcinoma of the tonsils. During puncture, sudden cardiovascular arrest occurred. The CT scan documented severe arterial gas embolism in the aorta, spinal canal, left heart ventricle, and brain. The patient was then transferred to our hospital for HBOT. After the first HBOT, an additional CT scan showed regression of all gas inclusions. In the treatment of gas embolism, HBOT is considered the gold standard and is indispensable. It is primarily used to reduce acute bubble effects and to avoid secondary bubble effects. Unfortunately, the long persisting gas occlusions and perfusion deficits led to severe hypoxic brain damage and a poor prognosis for the patient. In this case report we present the management of (iatrogenic) arterial gas embolism and point out the necessity of immediate HBOT. Furthermore, we discuss the pathophysiology leading to arterial gas embolism on the basis of the gas laws.

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