Patients undergoing elective lower limb orthopedic surgeries under subarachnoid blockade were recruited into the study.
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Adult patients (ASA grades I to II) scheduled for elective lower limb orthopedic surgery under subarachnoid blockade were included in this study.
Exclusion criteria
Exclusion criteria: 1, obese; 2, taking vasoactive or antidepressant drugs, receiving intraoperative blood or blood products transfusion; 3, with cardiac disease (heart blocks, bradyarrhythmias, and left ventricular failure), renal disease, hepatic disease, psychiatric disorder, neuropathies or severe diabetic autonomic neuropathy; 4, known history of substance or alcohol abus; 5, with a contraindication to regional anesthesia; 6, known allergy or hypersensitivity to dexmedetomidine and local anaesthetics; 7, history of nasal operation and nasal diseases, including rhinitis, nasal polyp, and nasosinusitis; 8, cardiovascular comorbidity, including bradycardia and atrioventricular block;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The primary outcomes were the incidence and intensity of shivering. | — |
Countries
Asia(except Japan)
Contacts
People's Hospital of Chongqing Banan District Department of Anaesthesiology