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Effects of flexible reamer on the femoral tunnel characteristics in anterior cruciate ligament reconstruction.
Seo, Young-Jin; Song, Si Young; Im, Woo-Young; Kim, Yoon Sang; Jang, Seong-Wook.
Afiliación
  • Seo YJ; Department of Orthopedic Surgery, Hallym University Dongtan Sacred Heart Hospital, Gyeonggi-do, Republic of Korea.
  • Song SY; Department of Orthopedic Surgery, Hallym University Dongtan Sacred Heart Hospital, Gyeonggi-do, Republic of Korea.
  • Im WY; Department of Orthopedic Surgery, Hallym University Dongtan Sacred Heart Hospital, Gyeonggi-do, Republic of Korea.
  • Kim YS; BioComputing Lab, Institute for Bio-engineering Application Technology, School of Computer Science and Engineering, Korea University of Technology and Education (KOREATECH), Cheonan, Republic of Korea.
  • Jang SW; BioComputing Lab, Institute for Bio-engineering Application Technology, School of Computer Science and Engineering, Korea University of Technology and Education (KOREATECH), Cheonan, Republic of Korea.
Medicine (Baltimore) ; 100(45): e27833, 2021 Nov 12.
Article en En | MEDLINE | ID: mdl-34766599
ABSTRACT: To compare the femoral tunnel characteristics using a rigid versus flexible reamer during anterior cruciate ligament reconstruction. It was hypothesized that the employment of a flexible reamer along with femoral tunnel would exhibit longer tunnel length and more acute femoral graft tunnel angle compared to the case of a rigid reamer.The study population included 28 patients who underwent anatomical single-bundle anterior cruciate ligament reconstruction using transportal technique and were able to take postoperative computed tomography (CT) evaluation. Of these, the femoral tunnel of 14 cases was drilled with a flexible reamer (group I) and in another 14 cases drill was performed with a conventional rigid reamer (group II). The femoral tunnel in group I was made at 90° of knee flexion. In group II, the femoral tunnel was created at 120° of knee flexion. The parameters of the femoral tunnels were compared in terms of the femoral tunnel length and femoral graft tunnel angle. Special software was used to create and manipulate (3-D) 3-dimensional knee models.The difference in the mean femoral tunnel locations expressed in percentage distance between the 2 groups was not significantly different. The mean femoral tunnel length of group I was significantly longer than that of group II, (P = .03, 36.7 ±â€Š2.9 vs 32.9 ±â€Š9.0 mm). The angle formed by the femoral tunnel and the graft in group I was significantly smaller than in group II (P = .01, 109.8°â€Š±â€Š9.4° vs 118.1°â€Š±â€Š7.2°).Our data suggest that the flexible reamer can provide sufficient tunnel length for the suspensory fixation with a fixed loop. Whereas, the femoral graft-tunnel angle through flexible reaming at 90° of knee flexion was more acute compared to rigid reaming at 120° of knee flexion.Study Design: level of evidence III.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Reconstrucción del Ligamento Cruzado Anterior / Lesiones del Ligamento Cruzado Anterior Tipo de estudio: Prognostic_studies Límite: Humans Idioma: En Revista: Medicine (Baltimore) Año: 2021 Tipo del documento: Article Pais de publicación: Estados Unidos
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Reconstrucción del Ligamento Cruzado Anterior / Lesiones del Ligamento Cruzado Anterior Tipo de estudio: Prognostic_studies Límite: Humans Idioma: En Revista: Medicine (Baltimore) Año: 2021 Tipo del documento: Article Pais de publicación: Estados Unidos