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Comparing Two Types of Spinal Anaesthesia in Patients Undergoing Knee Replacement: Effects on Urination and Recovery Time After Surgery

Effect of Bupivacaine Versus Bupivacaine Fentanyl Spinal Anaesthesia in Total Knee Replacement on Postoperative Urinary Function and Post Anaesthetic Care Unit Discharge Times - nil

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CTRI
Registry ID
CTRI/2026/02/103968
Enrollment
126
Registered
2026-02-16
Start date
Unknown
Completion date
Unknown
Last updated
2026-03-02

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

Conditions

Health Condition 1: Z539- Procedure and treatment not carried out, unspecified reason

Interventions

Intervention1: Nil: Nil Intervention2: Nil: Nil Intervention3: Bupivacaine: Patients receiving intrathecal hyperbaric Bupivacaine for spinal anaesthesia as part of routine institutional practice for t

Sponsors

Kasturba Medical college
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: 1. Patients undergoing unilateral total knee replacement surgery under spinal anaesthesia 2. Age range harmonized to 18 to 85 years

Exclusion criteria

Exclusion criteria: 1. Patients undergoing bilateral total knee replacement surgery 2. American Society of Anesthesiologists grade greater than three 3. Unstable or poorly controlled diseases such as end stage renal disease, coronary artery disease with prior percutaneous coronary intervention 4. History of deep vein thrombosis or pulmonary embolism 5. Severe anxiety disorders or cognitive impairments 6. Coagulopathy

Design outcomes

Primary

MeasureTime frame
Time from spinal injection to first spontaneous voiding post-surgery.Timepoint: 6 to 8 hours post-surgery

Secondary

MeasureTime frame
Discharge from PACU & Postoperative analgesiaTimepoint: 4 to 6 hours post-surgery

Countries

India

Contacts

Public ContactBhagyashree M Sangashetty

Kasturba Medical College

sumesh.rao@manipal.edu9449167895

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Mar 14, 2026