Untimely surgery for stent-fracture-related death after transjugular intrahepatic portosystemic shunt: a case report.

Transjugular intrahepatic portosystemic shunt (TIPS) is a life-saving procedure for patients with severe portal hypertension and persistent variceal bleeding. Stent fracture is a rare and severe complication; however, its cause and mechanisms remain poorly defined. This case helps understand the factors contributing to its occurrence, complications, and subsequent poor outcomes. A 63-year-old male was presented with ruptured bare stent after a TIPS procedure. The upper edge of the bare stent was ruptured, and its fraction subsequently migrated to the entrance of the right atrium. Meanwhile, a mural thrombus was formed in the inferior vena cava. A surgery for the removal of free fracture was planned for preventing the form of pulmonary embolism. Before the surgery, the fracture was shifted to the right inferior pulmonary artery. Therefore, the surgery was canceled for further evaluation. Then, hematemesis suddenly occurred with a high possibility of variceal bleeding and/or gastric ulcer bleeding. Despite comprehensive treatments, the patient symptoms were still worsened with the development of chest tightness, shortness of breath, severe hypoxia, and heart failure. Finally, the patient succumbed to systemic multiorgan failure and death. Taken together, a ruptured unstable stent should be removed as early as the patient is hemodynamically stable, as it is difficult to balance between hemostasis therapy and anticoagulation treatment in patients with liver-cirrhosis-related severe portal hypertension. Physicians should be on high alert of the potential complications of bare stent rapture after TIPS.