An 85-year-old man in permanent atrial fibrillation consults for abrupt pain and coldness in the right foot for 6 hours. On examination he presents plantar cyanosis with partial sensory and mobility deficit. The femoral pulse is palpable, while the popliteal and distal pulses of this extremity are absent. Which of the following is the best therapeutic approach?
Urgent surgical treatment by thromboembolectomy.
Discourage revascularization surgery because of prolonged ischemia time.
Apply heat and notify the on-call vascular surgeon.
Urgent surgical treatment by thromboembolectomy.
Urgent medical treatment with intravenous prostaglandins.
Urgent surgical treatment by thromboembolectomy.