3 Local Anesthetics for Spinal Anesthesia in Primary Total Hip Arthroplasty
NCT ID: NCT03948386
Last Updated: 2021-05-07
Study Results
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View full resultsBasic Information
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COMPLETED
PHASE4
159 participants
INTERVENTIONAL
2019-05-13
2019-11-11
Brief Summary
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Detailed Description
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Patients who are eligible will be called the night prior to surgery and the study will be explained over the phone. Patients who express interest will be recruited on the day of their scheduled surgery in the short-procedure unit. Patients will be given consent forms and time to read them and ask questions.
Preoperative Management All patients without contraindications or allergies will receive oral gabapentin and acetaminophen in the short procedure unit prior to surgery per routine practice.
Intraoperative Management The targeted spinal dermatome level to achieve will be T10 (umbilicus). For isobaric drugs, patients will sit after spinal placement for 3-5 minutes to achieve this level. For hyperbaric bupivacaine, patients will be immediately placed supine and in Trendelenberg position for 3-5 minutes to achieve adequate level and confirmed with sensory pinprick testing, which will be performed every 2 minutes beginning at spinal placement time. After spinal is placed, sedation will be titrated at the discretion of the anesthesia team to achieve the American Society of Anesthesiology's definition of moderate sedation (purposeful response to verbal or tactile stimulation, spontaneous ventilation, and no airway intervention needed) using propofol. All patients will receive tranexamic acid unless contraindicated (10 mg/kg bolus), as well as multimodal analgesia with a non-steroidal anti-inflammatory drug (NSAID) and dexamethasone 4 mg IV per routine practice.
Postoperative Management
Sensory and motor assessments will take place every 30 minutes from PACU arrival time until motor strength is 5/5 in both lower extremities in hip flexion, knee extension, and toe dorsiflexion or the patient's motor function returns to baseline. The time of return of motor function will be documented. Physical therapists will visit the patient between 3 and 3.5 hours after spinal placement to assess for ability to ambulate and perform Tinnetti test, which assesses ambulation and gait and gives a score of 0 through 28 (see attached). Urinary retention will be assessed through asking the following on postoperative day 1:
1. At what time did the participant first urinate?
2. Did participant require a Foley catheter or straight catheter to drain urine from his or her bladder?
These questions will be asked along with the following about TNS (transient neurological symptoms):
1. Does the participant have any pain in his or her lower back that goes into his or her buttocks and/or down his or her thigh that was not there before surgery?
2. If yes, how would the participant rate that specific pain from 0 (no pain) to 10 (worst pain imaginable).
3. How would the participant rate his/her overall pain (0 to 10 scale)?
4. How satisfied is the participant with his/her anesthesia experience (0 to 10 scale where 0 is very dissatisfied and 10 is very satisfied)?
TNS will be defined as the new onset (within 24 hours of surgery) of back pain that radiates into the buttocks, thighs, hips, or distally. Localized back pain will not be included.
Urinary retention will be defined by inability to urinate within 8 hours, a report of distended or painful bladder occurring on postoperative days 0 or 1, either by patient report or on assessment by nursing, or the use of a Foley catheter or straight catheter.
Post-discharge phone calls
The following will be asked to patients via phone calls after discharge at 24 and 48 hours after surgery if not still in the hospital (will be asked in-person otherwise):
1. Does the participant have any back pain that was not present before surgery that goes into his/her buttocks, thighs, hips, or lower leg?
2. If yes, how would the participant rate that specific pain from 0 (no pain) to 10 (worst pain imaginable).
3. How would the participant rate his/her overall pain (0 to 10 scale)?
4. How satisfied is the participant with his/her anesthesia experience (0 to 10 scale where 0 is very dissatisfied and 10 is very satisfied)?
Post-discharge data collection Readmissions within 90 days will be recorded for all patients including the reason for readmission.
General Operating Procedures Patients who agree to participate will then be randomized by a computer-generated sequence to one of the three study groups. The anesthesiologist and certified registered nurse anesthetist or resident performing the spinal will be aware of group allocation and will perform spinal anesthesia according to standard operating procedures with the assigned local anesthetic. Intraoperative sedation will be with propofol or dexmedetomidine, at the discretion of the anesthesia team. Patients will remain blinded and surgeons and those performing postoperative assessments will remain blinded as well. As all study drugs are standard spinal anesthesia drugs and readily available, the anesthesia team caring for the patient will be informed of group allocation and the appropriate drug will be selected. These doses of hyperbaric and isobaric bupivacaine are considered "low dose" and are lower than those routinely used at TJUH and ROSH. However, existing evidence shows that low-dose bupivacaine for spinal anesthesia provides adequate anesthesia time for a total joint replacement. Dosing will be as follows: isobaric bupivacaine 12.5 mg (2.5 cc of 0.5%) for \< 74" height and 15 mg (3 cc) for \> or = 74" height; hyperbaric bupivacaine 10.25 mg (1.5 cc 0.75%) for \< 74" height and 13.125 mg (1.75 cc) for \> or = 74" height; and isobaric mepivacaine 52.5 mg (3.5 cc of 1.5%) for \< 74" height and 60 mg (4 cc) for \> or = 74" height. Patients with BMI of 35 or greater will also be given the higher dose of each of the 3 medications listed above.
Intraoperative variables that will be measured include: hypotension (defined as a decrease in baseline blood pressure of 20% or greater), surgeon rating of intraoperative muscle tension (0, 1, 2, or 3 where 0 is the most relaxed and 3 is the tightest), and conversion to general anesthesia.
Postoperative variables that will be measured include: ambulation at 3-3.5 hours (primary endpoint), time to ambulation, attempts needed to ambulate, episodes of orthostatic hypotension while trying to ambulate, urinary retention, opioid consumption, pain, incidence of transient neurological symptoms up to 48 hours postoperatively, discharge readiness, and length of stay.
Post-discharge phone calls
The following will be asked to patients via phone calls after discharge on postoperative days 1 and 2 after surgery if not still in the hospital (will be asked in-person otherwise):
1. Does the participant have any pain in his/her lower back that goes into his/her buttocks and/or down his/her thigh that was not there before surgery?
2. If yes, how would the participant rate that specific pain from 0 (no pain) to 10 (worst pain imaginable).
3. How would the participant rate his/her overall pain (0 to 10 scale)?
4. How satisfied is the participant with his/her anesthesia experience (0 to 10 scale where 0 is very dissatisfied and 10 is very satisfied)?
Conditions
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Study Design
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RANDOMIZED
PARALLEL
Dosing will be as follows: isobaric bupivacaine 12.5 mg (2.5 cc of 0.5%) for ≤ 74" height and 15 mg (3 cc) for \> 74" height; hyperbaric bupivacaine 10.25 mg (1.5 cc 0.75%) for ≤ 74" height and 13.125 mg (1.75 cc) for \> 74" height; and isobaric mepivacaine 52.5 mg (3.5 cc of 1.5%) for ≤ 74" height and 60 mg (4 cc) for \> 74" height.
TREATMENT
DOUBLE
Patients will remain blinded and surgeons and those performing postoperative assessments will remain blinded as well.
Study Groups
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isobaric bupivacaine
Isobaric bupivacaine 12.5 mg (2.5 cc of 0.5%) for ≤ 74" height and 15 mg (3 cc) for \> 74" height
isobaric bupivacaine
The anesthesiologist and CRNA or resident performing the spinal will perform spinal anesthesia according to standard operating procedures with the randomly assigned local anesthetic.
hyperbaric bupivacaine
hyperbaric bupivacaine 10.25 mg (1.5 cc 0.75%) for ≤ 74" height and 13.125 mg (1.75 cc) for \> 74" height
hyperbaric bupivacaine
TThe anesthesiologist and CRNA or resident performing the spinal will perform spinal anesthesia according to standard operating procedures with the randomly assigned local anesthetic.
isobaric mepivacaine
isobaric mepivacaine 52.5 mg (3.5 cc of 1.5%) for ≤ 74" height and 60 mg (4 cc) for \> 74" height
isobaric mepivacaine
The anesthesiologist and CRNA or resident performing the spinal will perform spinal anesthesia according to standard operating procedures with the randomly assigned local anesthetic.
Interventions
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isobaric bupivacaine
The anesthesiologist and CRNA or resident performing the spinal will perform spinal anesthesia according to standard operating procedures with the randomly assigned local anesthetic.
hyperbaric bupivacaine
TThe anesthesiologist and CRNA or resident performing the spinal will perform spinal anesthesia according to standard operating procedures with the randomly assigned local anesthetic.
isobaric mepivacaine
The anesthesiologist and CRNA or resident performing the spinal will perform spinal anesthesia according to standard operating procedures with the randomly assigned local anesthetic.
Eligibility Criteria
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Inclusion Criteria
* American Society of Anesthesiologists physical status 1-3
Exclusion Criteria
* contraindication to spinal anesthesia (refusal, coagulopathy or recent use of anticoagulant medication that prevents spinal anesthesia, local or systemic infection)
* any other reason deemed significant by attending anesthesiologist
* any patient requiring a wheelchair for ambulation or who cannot walk 25 feet with or without an assist device at time of surgery
* presence of neuropathy in posterior thighs or buttocks
* use of greater than the equivalent of morphine 25 mg IV (oxycodone 30 mg PO) daily
* any patient deemed a poor candidate for spinal anesthesia as determined by the attending anesthesiologist
18 Years
84 Years
ALL
No
Sponsors
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Thomas Jefferson University
OTHER
Responsible Party
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Principal Investigators
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Eric Schwenk, MD
Role: PRINCIPAL_INVESTIGATOR
Thomas Jefferson University
Locations
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Rothman Orthopedic Specialty Hospital
Bensalem, Pennsylvania, United States
Thomas Jefferson University Hospital
Philadelphia, Pennsylvania, United States
Countries
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References
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Basques BA, Toy JO, Bohl DD, Golinvaux NS, Grauer JN. General compared with spinal anesthesia for total hip arthroplasty. J Bone Joint Surg Am. 2015 Mar 18;97(6):455-61. doi: 10.2106/JBJS.N.00662.
Kamel HK, Iqbal MA, Mogallapu R, Maas D, Hoffmann RG. Time to ambulation after hip fracture surgery: relation to hospitalization outcomes. J Gerontol A Biol Sci Med Sci. 2003 Nov;58(11):1042-5. doi: 10.1093/gerona/58.11.m1042.
Oldmeadow LB, Edwards ER, Kimmel LA, Kipen E, Robertson VJ, Bailey MJ. No rest for the wounded: early ambulation after hip surgery accelerates recovery. ANZ J Surg. 2006 Jul;76(7):607-11. doi: 10.1111/j.1445-2197.2006.03786.x.
Mahan MC, Jildeh TR, Tenbrunsel TN, Davis JJ. Mepivacaine Spinal Anesthesia Facilitates Rapid Recovery in Total Knee Arthroplasty Compared to Bupivacaine. J Arthroplasty. 2018 Jun;33(6):1699-1704. doi: 10.1016/j.arth.2018.01.009. Epub 2018 Jan 16.
Uppal V, Retter S, Shanthanna H, Prabhakar C, McKeen DM. Hyperbaric Versus Isobaric Bupivacaine for Spinal Anesthesia: Systematic Review and Meta-analysis for Adult Patients Undergoing Noncesarean Delivery Surgery. Anesth Analg. 2017 Nov;125(5):1627-1637. doi: 10.1213/ANE.0000000000002254.
Pawlowski J, Orr K, Kim KM, Pappas AL, Sukhani R, Jellish WS. Anesthetic and recovery profiles of lidocaine versus mepivacaine for spinal anesthesia in patients undergoing outpatient orthopedic arthroscopic procedures. J Clin Anesth. 2012 Mar;24(2):109-15. doi: 10.1016/j.jclinane.2011.06.014. Epub 2012 Feb 17.
Pawlowski J, Sukhani R, Pappas AL, Kim KM, Lurie J, Gunnerson H, Corsino A, Frey K, Tonino P. The anesthetic and recovery profile of two doses (60 and 80 mg) of plain mepivacaine for ambulatory spinal anesthesia. Anesth Analg. 2000 Sep;91(3):580-4. doi: 10.1097/00000539-200009000-00015.
Liguori GA, Zayas VM, Chisholm MF. Transient neurologic symptoms after spinal anesthesia with mepivacaine and lidocaine. Anesthesiology. 1998 Mar;88(3):619-23. doi: 10.1097/00000542-199803000-00010.
YaDeau JT, Liguori GA, Zayas VM. The incidence of transient neurologic symptoms after spinal anesthesia with mepivacaine. Anesth Analg. 2005 Sep;101(3):661-665. doi: 10.1213/01.ane.0000167636.94707.d3.
Provided Documents
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Document Type: Study Protocol and Statistical Analysis Plan
Other Identifiers
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19D.299
Identifier Type: -
Identifier Source: org_study_id
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