Mepivacaine vs. Bupivacaine Spinal Anesthetic in Total Knee Arthroplasty
| Status: | Not yet recruiting |
|---|---|
| Conditions: | Chronic Pain, Orthopedic |
| Therapuetic Areas: | Musculoskeletal, Orthopedics / Podiatry |
| Healthy: | No |
| Age Range: | 40 - 90 |
| Updated: | 12/3/2016 |
| Start Date: | December 2016 |
| End Date: | September 2017 |
| Contact: | Kathleen Derrig |
| Email: | kderrig1@hfhs.org |
| Phone: | 3139167520 |
Mepivacaine vs. Bupivacaine Spinal Anesthetic in Total Knee Arthroplasty, a Randomized Controlled Clinical Trial
The purpose of this study is to determine if a shorter-acting spinal anesthetic called
mepivacaine has advantages over a longer-acting medication called bupivacaine.
mepivacaine has advantages over a longer-acting medication called bupivacaine.
Different medications last for different amounts of time and can be changed depending on the
length of the procedure. A short acting spinal is generally used for procedures lasting less
than 90 minutes. A longer acting medication would be any that lasts longer than 90 minutes.
These medications not only block the signals that travel along the pain nerves, they also
prevent the signals that tell the patients muscles to move. This means that after a total
knee replacement a patient may delayed in their ability to get up and start walking early
after surgery. Walking early in the recovery has been shown to decrease the rate of
pulmonary embolism and death. Ambulating early is also important to prevent loss of
strength, constipation, pneumonia and urinary retention.
length of the procedure. A short acting spinal is generally used for procedures lasting less
than 90 minutes. A longer acting medication would be any that lasts longer than 90 minutes.
These medications not only block the signals that travel along the pain nerves, they also
prevent the signals that tell the patients muscles to move. This means that after a total
knee replacement a patient may delayed in their ability to get up and start walking early
after surgery. Walking early in the recovery has been shown to decrease the rate of
pulmonary embolism and death. Ambulating early is also important to prevent loss of
strength, constipation, pneumonia and urinary retention.
Inclusion Criteria:
- Adult patients undergoing primary total knee arthroplasty
Exclusion Criteria:
- Chronic opioid users
- Unable to give informed consent
- Forego the use of a foley catheter
- Those with hypersensitively to amide local anesthetics or opioids
- Those with contraindications to spinal anesthesia
- Conversion to general anesthesia will be excluded.
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