Abdominal Surgery in the Elderly
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. The operation time is more than 2 hours; 2. 65 years old<= age <= 80 years old; 3: ASA I-III; 4: BMI<30;
Exclusion criteria
Exclusion criteria: 1: Chronic cardiovascular or respiratory diseases; 2: Combined with severe organic or metabolic diseases such as liver and kidney; 3: Surgical contraindications or allergies to anesthetic drugs; 4: Long-term history of chronic pain, long-term use of analgesics, long-term drug abuse and alcoholism; 5: Language barriers, or patients who are unable to use PCA (intellectual disability, disorientation, Alzheimer's disease, etc.); 6: Weight less than 40kg; 7: History of Schizophrenia,epilepsy or myasthenia gravis; 8: Combined with hyperthyroidism or pheochromocytoma; 9: Other conditions deemed unsuitable for participation in the study;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Incidence of moderate to severe pain within 72 hours postoperatively (NRS>=4); | — |
Secondary
| Measure | Time frame |
|---|---|
| Pain intensity;Sleep quality;Agitation score (RS score);Sedation score (Ramsay score); | — |
Countries
China
Contacts
Tianjin First Central Hospital