Key result
A 69-year-old woman successfully recovered from reperfusion pulmonary edema following the delayed surgical removal of a hepatocellular carcinoma embolus from the pulmonary artery.
Case Report (n=1)
No
This case highlights the rare occurrence of pulmonary embolism from a hepatocellular carcinoma tumor embolus during hepatic lobectomy and the subsequent risk of reperfusion pulmonary edema following embolectomy.
May inform rare HCC tumor embolus management with reperfusion edema; leaves open optimal timing and generalizability.
To report a non-fatal case of reperfusion pulmonary edema (RPE) after the removal of a hepatocellular carcinoma embolus, which had caused an acute obstruction of the tricuspid valve and pulmonary vasculature during a hepatic lobectomy. Pulmonary embolism caused by hepatocellular carcinoma embolus is extremely rare, and, in the present case, it was associated with unusual clinical features. A 69-year-old ASA II woman with hepatocellular carcinoma was presented for an elective left hepatic lobectomy. During the surgery, the tumor embolus was dislodged from the interior of the lumen of the inferior vena cava (IVC), which then drifted into the tricuspid valve area and pulmonary vasculature. The patient showed the specific signs of acute pulmonary embolism, such as a reduction in end-tidal carbon dioxide, an increase in central venous pressure, and a decrease in arterial pressure. The patient exhibited the symptoms for about 10 minutes. After this period, however, cardiovascular variables became relatively stable, even during a mechanical obstruction due to cross-clamping the pulmonary artery for embolectomy. After several hours of pulmonary embolectomy, the patient experienced an episode of RPE. The ventilatory supports for the treatment of RPE were successful, and the patient recovered without any complications. The patient's case in the present study demonstrates that pulmonary embolism may occur as a result of a hepatocellular carcinoma extending into the IVC during operative management. The anesthesiologist should be careful of the possibilities of RPE after removal of the tumor embolus.
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Lee et al. (2006) conducted a case report in Hepatocellular carcinoma with tumor embolus causing pulmonary embolism and reperfusion pulmonary edema (n=1). Pulmonary embolectomy was evaluated on Recovery from reperfusion pulmonary edema. A 69-year-old woman successfully recovered from reperfusion pulmonary edema following the delayed surgical removal of a hepatocellular carcinoma embolus from the pulmonary artery.
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