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Final protocol and ICF has not been approved by local IRB. No subjects have been enrolled. Study will not be pursued due to current COVID-19 pandemic.
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The primary objective of this study is to compare effect of combined block of ACB (adductor canal block) with IPACK (Interspace between the Popliteal Artery and the Capsule of the posterior Knee) block and/or Intra-articular block in immediate postoperative and early postop rehabilitation and pain management in patients undergoing primary TKA. The secondary objective is to review both in-hospital and post-discharge pain levels and narcotic usage of primary TKAs, with a minimum 6-week postoperative follow-up.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| A - ACB + Periarticular Block | Experimental | Group A: patient will receive a preop ACB, followed by Intra-articular block during TKA surgery |
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| B - ACB + IPACK Block | Experimental | Group B: patient will receive a preop ACB+IPACK block before TKA surgery only |
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| C - ACB + IPACK + Periarticular Block | Experimental | Group C: patient will receive a preop ACB+IPACK block, followed by Intra-articular block during TKA surgery |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| preop ACB, followed by Intra-articular block during TKA surgery | Other | Preoperative ACB (adductor canal block), followed by a local anesthetic injection during surgery, which is comprised of the following agents and amounts:
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| Measure | Description | Time Frame |
|---|---|---|
| total length of hospital stay | total length of hospital stay as defined by number of days from date of surgery to date of discharge | outcome measure will be taken at 2 weeks postoperatively |
| Knee Society Score | Knee Society Score as recorded preoperatively and 6 weeks (± 2 weeks) postoperatively. The score is on a scale from 0-100. A higher value represents a better outcome | outcome measure will be taken preoperatively (4-6 weeks prior to date of surgery) and 6 weeks (± 2 weeks) postoperatively.] |
| WOMAC score | WOMAC score as recorded preoperatively and 6 weeks (± 2 weeks) postoperatively. The score is on a scale from 0-100. In contrast to the Knee Society Score, on the WOMAC a lower value represents a better outcome. | outcome measure will be taken preoperatively (4-6 weeks prior to date of surgery) and 6 weeks (± 2 weeks) postoperatively |
| Visual Analog Scale | The Visual Analog Scale measures the patient's level of knee pain on a scale of zero to ten via what the patient expresses verbally. The Visual Analog Scale (VAS) represents the degree of pain that the patient is experiencing at the time the measure is taken. Zero represents "pain-free". A 10 would represent pain so excruciating as to warrant emergency medical assistance, or as it is described to the patient, "the worst pain imaginable". Obviously, the lower the number, the better the outcome. There is no subscale. | outcome measure will be taken 24 hours postoperatively, 48 hours postoperatively, 72 hours postoperatively, 2 weeks (± 4 days) postoperatively, and 6 weeks (± 2 weeks) postoperatively |
| Amount of narcotic medication utilized | Amount of narcotic medication utilized (daily dosage measured as a Milligram Morphine Equivalent (MME) value). |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Arthur L Malkani, MD | University of Louisville | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Jewish Hospital | Louisville | Kentucky | 40202 | United States |
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| preop ACB+IPACK block | Other | Preoperative ACB (adductor canal block) and IPACK (Interspace between the Popliteal Artery and the Capsule of the posterior Knee) block |
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| preop ACB+IPACK block, followed by Intra-articular block during TKA surgery | Other | Preoperative ACB (adductor canal block) and IPACK (Interspace between the Popliteal Artery and the Capsule of the posterior Knee) block, followed by a local anesthetic injection during surgery, which is comprised of the following agents and amounts:
|
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| outcome measure will be taken 24 hours postoperatively, 48 hours postoperatively, 72 hours postoperatively, 2 weeks (± 4 days) postoperatively, and 6 weeks (± 2 weeks) postoperatively |
| Ability to rise from a chair independently | Ability to rise from a chair independently (Yes/No) | outcome measure will be taken 24 hours postoperatively, 48 hours postoperatively, 72 hours postoperatively, 2 weeks (± 4 days) postoperatively, and 6 weeks (± 2 weeks) postoperatively |
| Active range-of-motion (ROM) | Active ROM (range-of-motion) as measured by a goniometer (range of 0-135 degrees) | outcome measure will be taken 24 hours postoperatively, 48 hours postoperatively, 72 hours postoperatively, 2 weeks (± 4 days) postoperatively, and 6 weeks (± 2 weeks) postoperatively |
| Distance that patient is able to walk | Distance that patient is able to walk, as measured in feet | outcome measure will be taken 24 hours postoperatively, 48 hours postoperatively, 72 hours postoperatively, 2 weeks (± 4 days) postoperatively, and 6 weeks (± 2 weeks) postoperatively |
| Use of an ambulatory assistive device | Use of an ambulatory assistive device (Yes/No) | outcome measure will be taken 24 hours postoperatively, 48 hours postoperatively, 72 hours postoperatively, 2 weeks (± 4 days) postoperatively, 6 weeks (± 2 weeks) postoperatively |
| Incidence of postop complications | Incidence of any postoperative complication that involves hospital readmission and/or a re-operation of the surgical knee. | outcome measure will be taken 6 weeks (± 2 weeks) postoperatively |