Summary: Direct adductor canal block performed by a surgeon during surgery showed significant effects on pain reduction and ROM recovery up to 1 day after surgery. Direct adductor canal block can be considered as an effective alternative to adductor canal block using ultrasonography.

Introduction

Effective pain control in the early postoperative period after total knee arthroplasty (TKA) is essential not only for rapid recovery but also for early discharge after surgery. For such pain control, a multimodal pain management protocol is recognized as an essential part after TKA. The adductor canal block, which is one of the peripheral nerve blocks, is well known to be very effective in controlling the early postoperative pain following TKA. The purpose of this study was to compare the effects of intraoperative direct adductor canal block of one knee in patients who underwent primary simultaneous TKA with those in the other knee that did not receive adductor canal block.

Method

We retrospectively reviewed the data of 45 patients who underwent simultaneous bilateral TKA, collected prospectively. In addition to periarticular injection during surgery, intraoperative direct adductor canal blcok was performed in one knee without the use of ultrasonography and only periarticular injection was performed in the other knee. Pain VAS including resting, range of motion, and walking were measured until 1 week after surgery, and ROM was also investigated. The same measurements were performed at 2 and 6 weeks after surgery. The patient's PROM was evaluated by WOMAC at postoperative 6 weeks.

Result
There was no difference in preoperative pain VAS in both groups (all p > 0.05). The pain VAS on the day of surgery and on the 1st day after surgery was confirmed that the ACB group had significantly greater pain reduction compared to non-ACB group (p < 0.05). However, there was no difference of pain level and ROM between the two groups on the 2nd and 6th days after surgery (all p > 0.05). This pattern remained the same at 2 and 6 weeks after surgery (all p > 0.05). Until the 1st day after surgery, the ROM also showed a superior pattern in the ACB group (p < 0.05). However, there was no difference between the two groups from the second day after surgery (p > 0.05). There was no significant difference between the two groups in WOMAC score 6 weeks after surgery (p > 0.05).

Conclusion

Direct adductor canal block performed by a surgeon during surgery showed significant effects on pain reduction and ROM recovery up to 1 day after surgery. Direct adductor canal block can be considered as an effective alternative to adductor canal block using ultrasonography.

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Bilateral Simultaneous Unicompartimental Knee Arthroplasty. Midterm Results in 86 Arthroplasties with an Average Follow-Up Of 6.2 Years ePoster Presentation Stefano Gaggiotti, MD, ARGENTINA Gabriel Gaggiotti, MD, ARGENTINA Santino Gaggiotti, MD, ARGENTINA Julio Cesar Ringa
Calipered Measurements Method For Kinematically Aligned Total Knee Arthroplasty Has A Risk Of Excessive Varus Cut For The Proximal Tibia In Japanese Varus Knees ePoster Presentation Umit Kuwa, MD, PhD, JAPAN Masafumi Itoh, MD, PhD, JAPAN Junya Itou, MD, PhD, JAPAN Ken Okazaki, MD, PhD, JAPAN
The Functional Outcome of Zimmer Biomet’s Nexgen Total Knee Arthroplasty as Compared with Healthy Older Adults ePoster Presentation Gwenllian F. Tawy, PhD, MRes, BSc(Hons), UNITED KINGDOM Michael J. McNicholas, BSc, MD, FRCS Tr & Orth, UNITED KINGDOM Leela C. Biant, MS, MFSTEd, FRCSEd(Tr&Orth), UNITED KINGDOM
Treatment of Periprosthetic Infection after Total Knee Arthroplasty using an Ultrastatic Spacer ePoster Presentation Gloria Shoshana Coden, MD, UNITED STATES Suzanne Kent, MD, UNITED STATES Ruijia Niu, MPH, UNITED STATES Ayesha Abdeen, MD, UNITED STATES Eric L. Smith, MD, UNITED STATES
Success of Debridement, Antibiotics, and Implant Retention vs Revision In Early And Late Prosthetic Joint Infections Following Primary TKA: A Prospective, Multicenter Study of 251 Cases ePoster Presentation Mark Zhu, MBChB, NEW ZEALAND Richard Rahardja, MBChB, BMedSc(Hons), NEW ZEALAND Laurens Manning, MBChB, AUSTRALIA Sarah Metcalf, MBChB, NEW ZEALAND Simon W. Young, MD, FRACS, NEW ZEALAND
Large Reduction In Postoperative Posterior Tibial Slope Risks Anterior Collapse Of The Tibial Component In Fixed-Bearing Unicompartmental Knee Arthroplasty ePoster Presentation Kazuhisa Hatayama, MD, PhD, JAPAN Masanori Terauchi, MD, JAPAN Shingo Kurihara, MD, JAPAN Satoshi Nonaka, MD, JAPAN Hibiki Kakiage, MD, JAPAN
Hip-Knee-Ankle Angle Affects Medial and Lateral Tibiofemoral Compressive Forces More Significantly than Joint Line Obliquity in Patients Post Total Knee Arthroplasty ePoster Presentation David A. Parker, MBBS, BMedSc, FRACS, AUSTRALIA Myles R. J. Coolican, FRACS, AUSTRALIA Brett A. Fritsch, MBBS BSc(Med), FRACS, FAOrthA, AUSTRALIA Alexander S. Nicholls, MSc, FRACS, AUSTRALIA Payam Tarassoli, MBChB, BSc, DipSEM, MD, FRCS, AUSTRALIA Yoong Lim, BEng, PhD, AUSTRALIA

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Effect of Direct Adductor Canal Block Performed by a Surgeon in a Patient Who Underwent Simultaneous Bilateral TKA

Effect of Direct Adductor Canal Block Performed by a Surgeon in a Patient Who Underwent Simultaneous Bilateral TKA

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Conclusion

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Effect of Direct Adductor Canal Block Performed by a Surgeon in a Patient Who Underwent Simultaneous Bilateral TKA

Effect of Direct Adductor Canal Block Performed by a Surgeon in a Patient Who Underwent Simultaneous Bilateral TKA

Introduction

Method

Conclusion

More 2023 ISAKOS Congress Content