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Psoas Compartment Block Versus Periarticular Local Anesthetic for Total Hip Arthroplasty

Psoas Compartment Block Versus Periarticular Local Anesthetic Infiltration for Pain Management for Total Hip Arthroplasty: A Prospective, Randomized Study

Status
Completed
Phases
Phase 4
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02658149
Enrollment
100
Registered
2016-01-18
Start date
2016-05-31
Completion date
2017-06-02
Last updated
2018-05-09

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Arthroplasty, Osteoarthritis

Brief summary

The primary objective of this study is to examine whether there is a difference in the level of resting pain following total hip arthroplasty with an anterior approach with use of a psoas compartment block versus a local periarticular anesthetic infiltration

Detailed description

A single-center, prospective, randomized clinical trial with a total of 100 patients. One orthopaedic adult reconstruction surgeon at Beaumont Hospital Royal Oak (JJV) will perform all surgeries. After the patient has consented they will be randomized to one of the following two groups: 1. Psoas compartment block (n=50) 2. Periarticular local anesthetic infiltration (n=50), The patient will be blinded to the study group.

Interventions

DRUGRopivacaine with NaCl

50 mL (40 mL of 0.2% Ropivicaine and 10 mL of 0.9% NaCl) are administered into the psoas compartment

DRUGEpinephrine

0.15 mg Epinephrine are injected as part of the drug cocktail

DRUGMorphine

4 mg Morphine are injected as part of the drug cocktail

DRUGKetorolac Tromethamine

30 mg morphine are injected as part of the drug cocktail

DRUGRopivacaine

30 mL 0.5% Ropivicaine are injected as part of the drug cocktail

Sponsors

Corewell Health East
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
SINGLE (Subject)

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Patients undergoing unilateral primary total hip arthroplasty by Dr. James Verner at Beaumont Hospital Royal Oak * Have a diagnosis of primary osteoarthritis (i.e. degenerative joint disease) * Surgical approach is anterior

Exclusion criteria

* Minors (age less than 18 years) * Pregnant (surgically sterile, post-menopausal, or negative blood test) * Previous ipsilateral hip surgery * Lumbar instrumentation * Acute trauma * Rheumatoid arthritis * Avascular necrosis * Hip dysplasia * Known sensitivity, allergy, or contraindication to anesthetics being used in the study * Narcotic sensitivity * History of over 6 months of opioid dependency prior to surgery (excluding tramadol) * Peripheral neuropathy * Mental/cognitive impairment that would interfere with the patient's self-assessments of function, pain, or quality of life

Design outcomes

Primary

MeasureTime frameDescription
Pain Score at 3 Hours3 hours postoperativeVisual Analog Scale 0-10; 0 = no pain, 10 = worst pain

Secondary

MeasureTime frameDescription
Pain Score at 3-24 Hoursmeasured once during time frame 3 hours-24 hours postoperativeVisual Analog Scale 0-10; 0 = no pain, 10 = worst pain
Pain Score at 24-48 Hoursmeasured once during time froma 24-48 hours postoperativeVisual Analog Scale 0-10; 0 = no pain, 10 = worst pain
Opioid Usage In-hospital at 24 Hours24 hours postoperativelyTotal amount of opioids used per patient (measured with Morphine Equivalent Units)
Opioid Usage In-hospital at 48 Hours48 hours postoperativelyTotal amount of opioids used per patient (measured with Morphine Equivalent Units)

Countries

United States

Participant flow

Participants by arm

ArmCount
Psoas Compartment Block
After exposure anesthetic (Ropivacaine with NaCl) is introduced directly into the iliopsoas muscle, where it then spreads to the lumbar plexus (the nerves responsible for sensation around the surgical site). Ropivacaine with NaCl: 50 mL (40 mL of 0.2% Ropivicaine and 10 mL of 0.9% NaCl) are administered into the psoas compartment
49
Periarticular Local Anesthetic
An anesthetic cocktail of four drugs (ropivacaine, epinephrine, ketorolac tromethamine, morphine) is injected at five locations at the surgical site to the surrounding tissues. Epinephrine: 0.15 mg Epinephrine are injected as part of the drug cocktail Morphine: 4 mg Morphine are injected as part of the drug cocktail Ketorolac Tromethamine: 30 mg morphine are injected as part of the drug cocktail Ropivacaine: 30 mL 0.5% Ropivicaine are injected as part of the drug cocktail
50
Total99

Withdrawals & dropouts

PeriodReasonFG000FG001
Overall StudyPhysician Decision10

Baseline characteristics

CharacteristicPsoas Compartment BlockPeriarticular Local AnestheticTotal
Age, Continuous65 years
STANDARD_DEVIATION 8
68 years
STANDARD_DEVIATION 8
67 years
STANDARD_DEVIATION 8
Preoperative Pain Score3.4 units on a scale
STANDARD_DEVIATION 2.5
2.5 units on a scale
STANDARD_DEVIATION 2.6
2.9 units on a scale
STANDARD_DEVIATION 2.6
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Asian
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Black or African American
2 Participants4 Participants6 Participants
Race (NIH/OMB)
More than one race
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants0 Participants0 Participants
Race (NIH/OMB)
White
47 Participants46 Participants93 Participants
Region of Enrollment
United States
49 Participants50 Participants99 Participants
Sex: Female, Male
Female
26 Participants22 Participants48 Participants
Sex: Female, Male
Male
23 Participants28 Participants51 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
0 / 490 / 50
other
Total, other adverse events
5 / 491 / 50
serious
Total, serious adverse events
0 / 490 / 50

Outcome results

Primary

Pain Score at 3 Hours

Visual Analog Scale 0-10; 0 = no pain, 10 = worst pain

Time frame: 3 hours postoperative

ArmMeasureValue (MEAN)Dispersion
Psoas Compartment BlockPain Score at 3 Hours4.0 units on a scaleStandard Deviation 2.2
Periarticular Local AnestheticPain Score at 3 Hours2.9 units on a scaleStandard Deviation 2.2
p-value: 0.036Wilcoxon (Mann-Whitney)
Secondary

Opioid Usage In-hospital at 24 Hours

Total amount of opioids used per patient (measured with Morphine Equivalent Units)

Time frame: 24 hours postoperatively

ArmMeasureValue (MEAN)Dispersion
Psoas Compartment BlockOpioid Usage In-hospital at 24 Hours19.5 Morphine Equivalent Units (Oral)Standard Deviation 12.8
Periarticular Local AnestheticOpioid Usage In-hospital at 24 Hours16.7 Morphine Equivalent Units (Oral)Standard Deviation 13.6
p-value: 0.741t-test, 2 sided
Secondary

Opioid Usage In-hospital at 48 Hours

Total amount of opioids used per patient (measured with Morphine Equivalent Units)

Time frame: 48 hours postoperatively

ArmMeasureValue (MEAN)Dispersion
Psoas Compartment BlockOpioid Usage In-hospital at 48 Hours22.3 Morphine Equivalent Units (Oral)Standard Deviation 16.8
Periarticular Local AnestheticOpioid Usage In-hospital at 48 Hours20.8 Morphine Equivalent Units (Oral)Standard Deviation 16.4
p-value: 1t-test, 2 sided
Secondary

Pain Score at 24-48 Hours

Visual Analog Scale 0-10; 0 = no pain, 10 = worst pain

Time frame: measured once during time froma 24-48 hours postoperative

ArmMeasureValue (MEAN)Dispersion
Psoas Compartment BlockPain Score at 24-48 Hours1.9 units on a scaleStandard Deviation 1.7
Periarticular Local AnestheticPain Score at 24-48 Hours1.7 units on a scaleStandard Deviation 1.7
p-value: 1Wilcoxon (Mann-Whitney)
Secondary

Pain Score at 3-24 Hours

Visual Analog Scale 0-10; 0 = no pain, 10 = worst pain

Time frame: measured once during time frame 3 hours-24 hours postoperative

ArmMeasureValue (MEAN)Dispersion
Psoas Compartment BlockPain Score at 3-24 Hours1.9 units on a scaleStandard Deviation 1.7
Periarticular Local AnestheticPain Score at 3-24 Hours1.3 units on a scaleStandard Deviation 1.4
p-value: 0.204Wilcoxon (Mann-Whitney)

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026