Diluting With Cerebrospinal Fluid Versus Traditional Intrathecal Administration: Antishivering Effects
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ClinicalTrials.gov Identifier: NCT02189655 |
Recruitment Status :
Withdrawn
First Posted : July 14, 2014
Last Update Posted : November 20, 2019
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Condition or disease | Intervention/treatment | Phase |
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Antishivering Effects | Procedure: bupivacaine 0.5% 2.5 mL diluting with cerebrospinal fluid | Not Applicable |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 0 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Triple (Participant, Care Provider, Outcomes Assessor) |
Primary Purpose: | Prevention |
Official Title: | Diluting With Cerebrospinal Fluid Versus Traditional Intrathecal Administration: Antishivering Effects |
Study Start Date : | March 2016 |
Estimated Primary Completion Date : | December 2021 |
Estimated Study Completion Date : | December 2021 |

Arm | Intervention/treatment |
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No Intervention: Group Control
Hyperbaric bupivacaine 0.5% 2.5 mL was administered intrathecally in 30 seconds.
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Experimental: Group Diluting with cerebrospinal fluid
Hyperbaric bupivacaine 0.5% 2.5 mL diluting with cerebrospinal fluid was administered intrathecally in 30 seconds
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Procedure: bupivacaine 0.5% 2.5 mL diluting with cerebrospinal fluid
Hyperbaric bupivacaine 0.5% 2.5 mL diluting with cerebrospinal fluid was administered intrathecally in 30 seconds |
- antishivering effects of two different types of spinal anesthesia [ Time Frame: time point 1: 15 minuntes after spinal anesthesia and time point 2 : when patiets were sent to postoperation care unit ]antishivering effects of two different types administration of spinal anesthesia

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Ages Eligible for Study: | 18 Years to 65 Years (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- American Society of Anesthesiologists (ASA) physical status Ⅰ or Ⅱ who were scheduled for elective surgery under spinal anesthesia were enrolled.
Exclusion Criteria:
- Patients with pre-operative fever (>38℃), diabetes, , Parkinson's disease, hypo or hyperthyroidism, Raynaud's syndrome, obese patients (weight >100 kg), patients shorter than 152 cm, those with a history of allergy to the study medications, and patients receiving vasodilators were excluded from the study.

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): NCT02189655
China, Liaoning | |
the First Hospital of China Medical University | |
Shenyang, Liaoning, China, 110001 |
Study Director: | Hong Ma, M.D.,Ph.D | The First Hospital of CMU |
Responsible Party: | Wen-fei Tan, Department of Anesthesiology, The First Hospital of CMU, China Medical University, China |
ClinicalTrials.gov Identifier: | NCT02189655 |
Other Study ID Numbers: |
20140630 |
First Posted: | July 14, 2014 Key Record Dates |
Last Update Posted: | November 20, 2019 |
Last Verified: | November 2019 |
shivering spinal anesthesia |
Bupivacaine Anesthetics, Local Anesthetics Central Nervous System Depressants |
Physiological Effects of Drugs Sensory System Agents Peripheral Nervous System Agents |