In order to minimize the lethal risk of gas embolization, the insufflation system has to be completely filled with CO₂ before connecting to the patient.

No abstract

Figure 3. Angiographic images in anteroposterior projection after injection of contrast agent into the aberrant feeding vessel showing the pulmonary sequestration vascularization A, before and B, after interventional coiling therapy.Figure 1. Ultrasound images of pulmonary sequestration (arrowheads) in coronal plane. Well-circumscribable mass A, between liver, right lung, and spine and B, between spleen, adrenal gland, and left lung.

Embolisms with the smallest amounts of helium administered via direct venous puncture have an immediate lethal impact. Extended perioperative monitoring and trocar placement under vision should be performed.