This randomized, parallel controlled, single blind trial is designed to evaluate the efficacy and safety of hydromorphone versus morphine for perioperative analgesia in lung tumor ablation.

Although the consensus of relevant guidelines and clinical studies recommend the use of opioids for perioperative analgesia in pulmonary tumor ablation surgery, there is a lack of specific analgesic programs for clinical reference. In view of the advantages of clinical application of hydromorphone and the lack of evidence for its application in perioperative analgesia of pulmonary tumor ablation, this study aims to explore the efficacy and safety of hydromorphone in perioperative analgesia of pulmonary tumor ablation, and provide some reference and suggestions for perioperative analgesia of pulmonary tumor ablation.

Inclusion Criteria:

• Voluntarily attend and sign the informed consent form in person;
• Patients undergoing selective pulmonary tumor ablation;
• The Eastern Collaborative Oncology Group (ECOG) defines an activity status score of 2 or less;
• The estimated survival time is more than 3 months;
• Age 18-80, both sexes.

Exclusion Criteria:

• Severe coagulation dysfunction that cannot be corrected;
• History of severe cardio-cerebrovascular and respiratory diseases;
• Patients allergic to test drugs or contrast media;
• Patients with opioid addiction;
• Patients with cognitive dysfunction;
• Participated in other clinical investigators within three months;
• Investigators or their family members directly involved in the trial;
• Those who are deemed unfit to participate in the study by the investigator.