A 47-year-old man undergoes left subclavian central venous catheter placement. Within 24 hours, he develops dyspnea, with vital signs showing HR 102/min, RR 22/min, and SpO2 92% on room air. Chest X-ray reveals left-sided pleural effusion. Thoracentesis yields milky fluid with triglycerides of 450 mg/dL. Temperature is 37.2°C and breath sounds are present bilaterally. Which of the following structures was most likely injured during catheter placement?
- A)Left phrenic nerve
- B)Right lymphatic duct
- C)Vagus nerve
- D)Azygos vein
- E)Thoracic ductGABARITO
Explicação
The thoracic duct terminates at the junction of the left internal jugular and left subclavian veins. Injury at this site can produce chylothorax, characterized by milky pleural fluid rich in triglycerides. Ver explicação completa e trilha adaptativa →