Perspective on clinical and functional outcomes of arthroscopic all-inside meniscal repair: Insights from a lower middle-income country

Document Type

Article

Department

Orthopaedic Surgery; Surgery

Abstract

Background: Meniscal tears are a common injury in the adult population. With the advent of newer devices, the adoption of the all-inside repair technique has been expanding substantially because of its feasibility and reduced risk to surrounding neurovascular structures. This study was conducted in a lower middle-income country to assess the functional outcome of the arthroscopic all-inside technique and to identify the potential factors that may affect the functional outcome that will eventually influence the future management of these patients.
Method: This study is a retrospective case series conducted at the Department of Orthopedic Surgery, Aga Khan University Hospital, Karachi, Pakistan. Patients presenting to the outpatient clinics with meniscal tears who underwent arthroscopic all-inside repair from January 2015 to December 2021 were included in this study. The exclusion criteria included patients who had associated fractures and patients with meniscal tears greater than six months ago.
Results: A total of 29 patients underwent all-inside meniscal repair for meniscus tears. The mean age of our patients was 26.31 years (SD = 7.11 years), ranging from 17 years to 48 years. Of these patients, 26 were males and three were females, accounting for 89.7% and 10.3%, respectively. The most frequent mechanism of injury was twisting while playing sports, accounting for 51.7%, followed by falling while playing sports and road traffic accidents (RTAs), accounting for 13.8% and 20.7%, respectively. Of the 29 patients, 16 (55.2%) had lateral meniscal injuries, 10 (34.5%) were diagnosed with medial meniscus injuries, and three (10.3%) had injuries to both menisci. The most common type of tear that was observed in our sample size was bucket handle tears, which were found in 14 patients, accounting for a total of 48.3%, followed by complex tears in seven patients (24.1%). The majority of the patients, i.e., 19 out of 29 patients (65.5%), had an acute course of injury, i.e., less than six weeks. For the functional outcome, the Lysholm score was calculated at 12 months and was found to be excellent in 17 patients, good in six patients, and fair in six patients, accounting for 58.6%, 20.7%, and 20.7%, respectively. The mean Lysholm score was 90.03 ± 8.85 points. Of the 29 patients, 27 (93.2%) had no complaints at the regular 12-month follow-up, whereas one patient (3.4%) experienced rotatory instability and one patient (3.4%) experienced stiffness at the knee joint. None of the patients had to undergo a reoperation. The mean Lysholm score in the 25 patients who had an associated anterior cruciate ligament tear was 89.64 ± 9.442 points, whereas the four patients who had an isolated meniscal tear had a mean score of 92.50 ± 2.887 points, which was not significantly different (p-value = 0.831).
Conclusion: All-inside meniscal repair for treating meniscal tears has become the new treatment paradigm as it not only renders excellent functional outcomes with minimal complications but also prevents damage to the surrounding neurovasculature and the soft tissue envelope as it is a minimally invasive technique.

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Publication (Name of Journal)

Curēus

DOI

10.7759/cureus.62664

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