What are the first line anesthetic agents in case of propofol and remifentanyl allergy?

What are the first line anesthetic agents in case of propofol and remifentanyl allergy? Ann Thorac Surg. 2019 Jan 22;: Authors: Cakir H, Donmez K, Yurekli I, Cakir P, Kestelli M PMID: 30682352 [PubMed - as supplied by publisher]
Source: The Annals of Thoracic Surgery - Category: Cardiovascular & Thoracic Surgery Authors: Tags: Ann Thorac Surg Source Type: research