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The Effect of Spinal Flexion in the Lateral Decubitus Position on the Unilaterality During Spinal Anesthesia

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ClinicalTrials.gov Identifier: NCT01321684
Recruitment Status : Completed
First Posted : March 23, 2011
Last Update Posted : May 30, 2012
Sponsor:
Information provided by (Responsible Party):
Jin-Tae Kim, Seoul National University Hospital

Brief Summary:
For unilateral spinal block, spinal local anesthetics should take effect on the spinal nerves of one side. With full flexion of the spine, the cauda equina becomes tightened and hangs in the middle of the subarachnoid space. This study was performed to assess if flexion of the vertebral column facilitates unilateral spinal anesthesia.

Condition or disease Intervention/treatment Phase
Spinal Anesthesia Other: lateral decubitus position with full spinal flexion Other: lateral decubitus position without spinal flexion Not Applicable

Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 32 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Single (Outcomes Assessor)
Primary Purpose: Supportive Care
Study Start Date : March 2011
Actual Primary Completion Date : October 2011
Actual Study Completion Date : October 2011

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Intervention Details:
  • Other: lateral decubitus position with full spinal flexion
    The patients maintained the lateral decubitus position with the hips and back fully flexed for 15 minutes.
  • Other: lateral decubitus position without spinal flexion
    the patients are allowed to straighten their flexed hips and back to obtain the normal lordotic curvature of spinal column


Primary Outcome Measures :
  1. Time for the complete regression of pinprick spinal analgesia on the nondependent legs [ Time Frame: Sensory and motor blockade were evaluated within 3 hour of intrathecal injection ]


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Ages Eligible for Study:   20 Years to 45 Years   (Adult)
Sexes Eligible for Study:   Male
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • ASA physical status Ⅰ-Ⅱ, scheduled for elective knee arthroscopy under spinal anesthesia

Exclusion Criteria:

  • Hemodynamically unstable patients
  • Lumbar disease
  • patients with back pain

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01321684


Locations
Korea, Republic of
Seoul national university hospital
Seoul, Korea, Republic of, 110-744
Sponsors and Collaborators
Seoul National University Hospital

Responsible Party: Jin-Tae Kim, assistant professor, Seoul National University Hospital
ClinicalTrials.gov Identifier: NCT01321684     History of Changes
Other Study ID Numbers: H-1006-100-322
First Posted: March 23, 2011    Key Record Dates
Last Update Posted: May 30, 2012
Last Verified: May 2012