A Trial on Ultrasound-assisted Spinal Anaesthesia

This study has been completed.
Information provided by (Responsible Party):
Changi General Hospital
ClinicalTrials.gov Identifier:
First received: September 30, 2012
Last updated: February 27, 2013
Last verified: February 2013

A randomised controlled trial comparing the use of pre-procedural ultrasound scanning with manual palpation to identify landmarks for performance of spinal anaesthesia.

Condition Intervention
Spinal Anaesthesia
Procedure: Ultrasound scan

Study Type: Interventional
Study Design: Allocation: Randomized
Endpoint Classification: Efficacy Study
Intervention Model: Parallel Assignment
Masking: Single Blind (Outcomes Assessor)
Primary Purpose: Treatment
Official Title: A Randomised Controlled Trial on Ultrasound-assisted Spinal Anaesthesia

Resource links provided by NLM:

Further study details as provided by Changi General Hospital:

Primary Outcome Measures:
  • Success Rate of First-attempt of Spinal Anaesthesia [ Time Frame: During procedure ] [ Designated as safety issue: No ]

Secondary Outcome Measures:
  • Time Taken to Perform Spinal Anaesthesia [ Time Frame: During procedure ] [ Designated as safety issue: No ]

Enrollment: 170
Study Start Date: April 2011
Study Completion Date: May 2012
Primary Completion Date: April 2012 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: Ultrasound-assisted
Pre-procedural ultrasound scan performed
Procedure: Ultrasound scan
Pre-procedural ultrasound scan was performed
No Intervention: Manual Palpation


Ages Eligible for Study:   21 Years to 80 Years
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • ASA I to III
  • undergoing surgery amenable to spinal anaesthesia

Exclusion Criteria:

  • Patient refusal
  • contraindications to regional anaesthesia
  • known allergy to local anaesthetics
  • bleeding diathesis
  • inability to provide informed consent
  Contacts and Locations
Please refer to this study by its ClinicalTrials.gov identifier: NCT01699373

Changi General Hospital
Singapore, Singapore, 529889
Sponsors and Collaborators
Changi General Hospital
  More Information

No publications provided

Responsible Party: Changi General Hospital
ClinicalTrials.gov Identifier: NCT01699373     History of Changes
Other Study ID Numbers: UGSA/2010
Study First Received: September 30, 2012
Results First Received: February 27, 2013
Last Updated: February 27, 2013
Health Authority: Singapore: Institutional Review Board

Additional relevant MeSH terms:
Central Nervous System Depressants
Physiological Effects of Drugs
Pharmacologic Actions
Central Nervous System Agents
Therapeutic Uses

ClinicalTrials.gov processed this record on April 17, 2014