J Knee Surg 2021; 34(03): 267-272
DOI: 10.1055/s-0039-1695041
Original Article

Obesity and Meniscal Transplant Failure: A Retrospective Cohort Study

Carlos Jiménez-Garrido
1   Deparment of Orthopaedic Surgery, Hospital Universitario Virgen de la Victoria, Málaga, Spain
,
Abel Gómez-Cáceres
2   Deparment of Orthopaedic Surgery, Hospital Regional Universitario de Málaga, Málaga, Spain
,
María Josefa Espejo-Reina
3   Deparment of Orthopaedic Surgery, Hospital de Antequera, Antequera, Málaga, Spain
,
4   Deparment of Orthopaedic Surgery, Clínica Espejo, Paseo Reding, Málaga, Spain
5   Deparment of Orthopaedic Surgery, Hospital Vithas Parque San Antonio, Málaga, Spain
,
Iskandar Tamimi
2   Deparment of Orthopaedic Surgery, Hospital Regional Universitario de Málaga, Málaga, Spain
,
José Miguel Serrano-Fernández
1   Deparment of Orthopaedic Surgery, Hospital Universitario Virgen de la Victoria, Málaga, Spain
,
Jaime Dalla Rosa-Nogales
5   Deparment of Orthopaedic Surgery, Hospital Vithas Parque San Antonio, Málaga, Spain
,
Alejandro Espejo-Baena
4   Deparment of Orthopaedic Surgery, Clínica Espejo, Paseo Reding, Málaga, Spain
5   Deparment of Orthopaedic Surgery, Hospital Vithas Parque San Antonio, Málaga, Spain
› Author Affiliations

Abstract

The purpose of this study was to analyze the effect of obesity and other clinical factors on the outcome of meniscal allograft transplantation (MAT) with transosseous fixation. A retrospective cohort study was performed on patients who underwent a MAT between 2002 and 2017. All the participants had a minimum follow-up period of 24 months. The variables assessed were age at the time of the transplant, side, sex, transplanted meniscus (lateral/medial), body mass index (BMI), smoking status, and previous surgeries. Lysholm, Tegner, and International Knee Documentation Committee (IKDC) test outcomes, and patient satisfaction were recorded. Image assessment was performed using plain standing X-rays and a follow-up magnetic resonance imaging scan. Thirty-five patients fulfilled the inclusion criteria. The mean follow-up time was of 75.7 standard deviation (SD) 43.4 months. Patients with a BMI ≥ 30 underwent medial meniscal transplants (88.9 vs. 42.3%, p = 0.022, respectively) more frequently. Obese patients had a significantly lower IKDC (48.6 SD 19.9 vs. 61.7 SD 13.1, p = 0.038, power: 57.5%) and Lysholm (60.3 SD 19.2 vs. 79.4 SD 14.3, p = 0.004, power: 88.7%) scores compared with nonobese patients. The satisfaction and Tegner scores were also lower in obese patients (55.6 vs. 80.7%, p = 0.136, and 2.8 SD 1.0 vs. 4.0 SD 1.9, p = 0.104, respectively); however, these differences were not statistically significant. Obese patients had higher rates of meniscal transplant failure compared with nonobese patients (adjusted hazard ratio: 11.8 [95% confidence interval: 1.5–91.4]). No differences were observed between obese and nonobese patients regarding age, sex, side, smoking status, and follow-up time. In this study, a BMI ≥ 30 kg/m2 resulted in higher MAT failure rates. Nonobese patients had better knee functional results compared with obese individuals.



Publication History

Received: 26 October 2018

Accepted: 03 July 2019

Article published online:
21 August 2019

© 2019. Thieme. All rights reserved.

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