Eligibility Module
The Eligibility Module contains detailed information about who can participate in the clinical trial. This includes eligibility criteria, age restrictions, gender requirements, healthy volunteer status, and study population descriptions, helping researchers understand who is eligible to participate in the study.
Eligibility Module path is as follows:
Study -> Protocol Section -> Eligibility Module
Eligibility Module
Ignite Creation Date:
2025-12-24 @ 11:33 PM
Ignite Modification Date:
2025-12-24 @ 11:33 PM
NCT ID:
NCT06526156
Eligibility Criteria:
Inclusion Criteria:
* Patients undergoing elective unilateral total hip or knee arthroplasty under spinal anesthesia at TWH who are scheduled for inpatient overnight admission
* American Society of Anesthesiologists physical status class (ASA-PS) 1-3
* At least 20 years of age
Exclusion Criteria:
* Refusal to participate
* Inability to communicate due to language barrier or cognitive impairment
* Height \> 200 cm
* Weight \>120 kg
* Body mass index (BMI) \>45 kg/m\^2
* Contraindication or allergy to amide-type local anesthetic
* Contraindication to spinal anesthesia at the L5-S1 space (e.g., infection at the injection site, existing coagulopathy, severe spinal stenosis at higher vertebral levels)
* Previous spinal surgery in the lumbosacral spine
* Spinal anesthesia performed in the operating room rather than the block room
* Spinal anesthesia that includes administration of intrathecal opioids (e.g., morphine, fentanyl)
* Pre-existing sensory or motor impairment in the lower extremities
* Inability to identify the L5-S1 space with ultrasonography
Healthy Volunteers:
False
Sex:
ALL
Minimum Age:
20 Years
Study:
NCT06526156
Study Brief:
Protocol Section:
NCT06526156