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Effects of Partial Meniscectomy on in vivo Gait Biomechanics: Systematic Review and Metanalysis

Enzo Salviato Mameri, MD, MSc
BRAZIL

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Effects of Partial Meniscectomy on in vivo Gait Biomechanics: Systematic Review and Metanalysis

Enzo Salviato Mameri, MD, MSc, BRAZIL Felipe Gonzalez, MD, UNITED STATES Lucas Pallone, MD, BRAZIL Eliane C. Guadagnin, PhD, BRAZIL Luc Fortier, MD, UNITED STATES Carlos E. S. Franciozi, MD, PhD, Prof., BRAZIL Jonathan A. Gustafson, PhD, UNITED STATES Jorge Chahla, MD, PhD, UNITED STATES Leonardo Metsavaht, MD PhD, BRAZIL Gustavo Leporace, PhD, BRAZIL

Midwest Orthopedics at Rush, Chicago, Illinois, UNITED STATES

2025 Congress ePoster Presentation 2025 Congress Not yet rated

Anatomic Location

Knee

Anatomic Structure

Meniscus

Diagnosis / Condition

Tears

Treatment / Technique

Arthroscopy

Summary: Meta-analysis of available literature reveals that partial meniscectomy leads to altered knee kinematics, particularly with significantly decreased knee flexion range of motion during gait, and with qualitative evidence to suggest additional effects on knee kinetics, namely decreased knee extension moment early postoperatively and increases in knee joint loading chronically.

Background

Improved understanding of meniscus biomechanics in recent decades, along with the development of modern surgical techniques and devices, have shifted the management of meniscal pathology from ubiquitous menisctomies toward an emphasis on meniscus repair whenever possible. Although partial meniscectomy is currently considered a last resort, primarily indicated for irreparable symptomatic tears, it is still one of the most frequently performed procedures worldwide. In addition to influencing load distribution and joint stability, meniscectomy has also demonstrated an impact on knee kinematics.
Objetive: The aim of this study was to systematically review the available evidence on the effects of partial meniscectomy on in vivo knee biomechanics. We hypothesized that partial meniscectomy would lead to altered in vivo knee kinetics and kinematics.

Methods

databases were queried for level I-III studies comparing in vivo knee biomechanics post-partial meniscectomy with asymptomatic knees using three-dimensional motion analysis of weight-bearing tasks. Data extraction included demographics, study design, meniscus injury characteristics, motion analysis methods, tasks analyzed and reported biomechanical outcomes. Standardized mean differences in knee kinematics during gait were the primary outcome measure. Each included study's risk of bias was assessed using NIH Quality Assessment Tool for Observational Cohort and Cross-Sectional Studies.

Results

Fourteen studies were ultimately eligible in the present review, with a total sample of 338 knees submitted to a partial meniscectomy and 231 asymptomatic knees as controls (contralateral knees and healthy controls group). Nine of the studies had a longitudinal design, and 5 were cross-sectional. Ten of the included studies assessed overground walking at a self-selected cadence – eight of which with no additional task in their protocols. Metanalysis of 5 studies reporting on knee flexion ROM during the stance phase of gait following partial medial meniscectomy revealed a significant decrease in partial meniscectomy patients relative to control groups (SMD = 0.84; 95% CI: -1.36 to -0.32; p = 0.002). Although there was a clear trend toward lower values of minimum flexion angles (i.e. closer to full extension) during terminal stance in the control group versus post-meniscectomy patients, the results ultimately indicate no significant difference at a p = 0.05 (SMD 0.48; 95% CI: -0.004 to 0.98; p = 0.05). No significant differences were achieved for peak knee flexion angle during stance and for knee flexion angle at initial contact. Although heterogeneity in reported outcomes precluded formal metanalysis of kinetics outcomes, there is qualitative evidence of altered sagittal plane knee kinetics during gait following partial meniscectomy in 4 studies, namely with decreased peak extension moments at 6 months, and increased peak adduction moment and peak vertical forces at 2 years.

Conclusion

Partial meniscectomy was found to lead to significant decreases in knee flexion range of motion during gait. Additional qualitative evidence suggests partial meniscectomy also affects axial plane kinematics and may be associated with decreased knee extensor moment early postoperatively and with increases in knee joint loading chronically, incurring potential for further development of osteoarthritis. The current literature is limited by heterogeneity and low-sensitivity protocols in motion analysis.

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Preventive Effect of Boiogito, a Japanese Traditional Herbal Medicine, on Osteophyte Formation in a Rat Model of Knee Osteoarthritis. ePoster Presentation Takayuki Okumo, MD, PhD, JAPAN Tokito Tatsuo, MD, JAPAN Kanako Izukashi, MD, JAPAN Hideshi Ikemoto, Ph.D. , JAPAN Naoki Adachi, Ph.D., JAPAN Atsushi Sato, MD, PhD, JAPAN Koji Kanzaki, Prof., JAPAN Masataka Sunagawa, Prof., PhD., JAPAN
Clinical Outcomes with meniscal repair, through the KOOS questionnaire with 2 and 4 year follow-up ePoster Presentation Sergio Patricio González Rouse, MD, MSc, MBA, CHILE Horacio Alejandro Carvajal Araya, MD, CHILE
Medial Meniscus Tears with Grammar Signs Benefit from Operative Intervention in the Setting of Early Arthritis ePoster Presentation Lydia Mckeithan, MD, UNITED STATES Shannon Tse, BMBS, UNITED STATES Matthew Frederickson, MD, UNITED STATES Jingyanshan Li, MD, UNITED STATES Cassandra Lee, MD, UNITED STATES
Simulator Wet Knee Joint Model For Arthroscopic Meniscal Repair Training ePoster Presentation Shammas Basheer Muhammed, DNB,D ORTHO , MS ORTHO, INDIA
Preoperative Knee Cartilage Condition In The Patellofemoral Joint Results In Worse Clinical Outcome Scores 2 Years After Inverted V-Shaped High Tibial Osteotomy ePoster Presentation Dai Sato, MD, PhD, JAPAN Yeonseok Jo, MD, JAPAN Taku Ebata, MD, PhD, JAPAN Yoshiaki Hosokawa, MD, JAPAN Koji Iwasaki, MD, PhD, JAPAN Masatake Matsuoka, PhD, JAPAN Tomohiro Onodera, MD, PhD, JAPAN Eiji Kondo, MD, PhD, JAPAN Norimasa Iwasaki, MD, PhD, JAPAN
The Impact Of Introducing An Acute Knee Trauma Service In The Belfast Trust: Reduced Waiting Times And Improved Rates Of Meniscal Repair. ePoster Presentation Catherine Gilmore, Mb Bch BAO MSc, UNITED KINGDOM Mark Steven Hanna, BMBCh MA(Oxon) MRCSI, UNITED KINGDOM Jonathan Warnock, FRCS, UNITED KINGDOM Ciara M. Stevenson, MBBCh, BaO, FRCS(Orth), UNITED KINGDOM
No Significant Difference In Meniscus Root Repair Failure Rates Or Patient Reported Outcomes For Patients Greater Than 60-Years-Old. ePoster Presentation Alexandra Stevens, BS, UNITED STATES Robert A. Magnussen, MD, MPH, UNITED STATES Christopher C. Kaeding, MD, UNITED STATES Eric Milliron, BS, UNITED STATES Parker Cavendish, BS, UNITED STATES Tyler Barker, PhD, UNITED STATES Noah Mallory, BE, UNITED STATES James C. Kirven, BS, UNITED STATES David C. Flanigan, MD, UNITED STATES
Concomitant Medial and Lateral Meniscus Root Tears: Demographics and Comparative Survivorship and Patient-Reported Outcomes in Dual-Repairs Compared to Non-Dual-Repairs ePoster Presentation Joseph J. Ruzbarsky, MD, UNITED STATES Annabel R. Geissbuhler, BS, UNITED STATES Dane Lind, BS, UNITED STATES John Apostolakos, MD, MPH, UNITED STATES Grant J. Dornan, MS, UNITED STATES
Clinical and Radiologic Outcomes of Medial Meniscus Posterior Root Repair Using a Transtibial Double Tunnel Pull-Out Technique Using Modified Mason-Allen Stitches ePoster Presentation Du-Han Kim, Prof. , KOREA, REPUBLIC OF

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Effects of Partial Meniscectomy on in vivo Gait Biomechanics: Systematic Review and Metanalysis

Effects of Partial Meniscectomy on in vivo Gait Biomechanics: Systematic Review and Metanalysis

Background

Methods

Results

Conclusion

Knee Meniscus ePosters

Sign-in to ISAKOS

Effects of Partial Meniscectomy on in vivo Gait Biomechanics: Systematic Review and Metanalysis

Effects of Partial Meniscectomy on in vivo Gait Biomechanics: Systematic Review and Metanalysis

Background

Methods

Results

Conclusion