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Modified sequential method to establish a prediction model of the optimal dose of ropivacaine in spinal anesthesia

Modified sequential method to establish a prediction model of the optimal dose of ropivacaine in spinal anesthesia

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2100046982
Enrollment
Unknown
Registered
2021-06-06
Start date
2021-06-03
Completion date
Unknown
Last updated
2022-01-18

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Hip fracture

Interventions

Satisfactory group:Spinal anesthesia with ropivacaine under modified sequential method
Unsatisfactory group:Spinal anesthesia with ropivacaine under modified sequential method

Sponsors

The First Affiliated Hospital of University of Science and Technology of China
Lead Sponsor

Eligibility

Sex/Gender
Male

Inclusion criteria

Inclusion criteria: 1. ASA classification II-IV grade; 2. Aged >= 65 years; 3. Hip fracture surgery (hip fracture is defined as femoral neck, femoral head, intertrochanteric or subtrochanteric fracture); 4. Sign the informed consent form.

Exclusion criteria

Exclusion criteria: 1. Preoperative application of sedative and analgesic drugs; 2. Patients with dementia; 3. Have a history of neurological and psychiatric diseases; 4. Multiple injuries; 5. Contraindications for intraspinal anesthesia; 6. Participated in other drug trials within three months.

Design outcomes

Primary

MeasureTime frame
Anesthesia effect;

Secondary

MeasureTime frame
Pain;The level of sensory block of subarachnoid anaesthesia;Anesthesia effect maintenance time;Blood pressure;Heart rate;Additional drugs and doses for epidural;Vasoactive drugs and total dose;

Countries

China

Contacts

Public ContactHu Liguo

the First Affiliated Hospital of University of Science and Technology of China

hulg@163.com+86 13805519870

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 11, 2026