This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Evaluation and Management of Portal Hypertension, Subject name: Surgery
[{'content': 'Which one of the following is not a treatment of Gastroesophageal Variceal hemorrhage ? \nSelect and explain. \nA. Sclerotherapy, B. Sengstaken tube, C. Trans-jugular intrahepatic Porta-caval shunt, D. Gastric freezing', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. (d) Gastric freezingRef.: Harrison 18thed, / 2598* Endoscopy followed by endoscopic variceal ligation should be performed.* Balloon tamponade with Sengstaken Blakemore tube or Minnesota tube can be used in patients who cannot get endoscopic therapy immediately or who need stabilization prior to endoscopic therapy.* Some endoscopists will use variceal injection therapy (sclerotherapy) as initial therapy, particularly when bleeding is vigorous.* Shunt therapy (Transjugular intrahepatic portacaval shunt) has been shown to control refractory bleeding. Pharmacologic Therapy for Variceal Hemorrhage* Vasopressin, most potent vasoconstrictor, use is limited by side effects.* Somatostatin and octreotide* Octreotide is the preferred pharmacological agent', 'role': 'assistant'}]