Arthroscopic debridement improves range of motion for heterotopic ossification after total knee replacement: a retrospective cohort study

Abstract The presence of heterotopic ossification (HO) after primary total knee replacement (TKR) is rare and associated with limited mobility and stiffness of the knee. This study aimed to identify if the arthroscopic debridement after TKR could decrease HO and improve the function and range of mot...

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Main Authors: Dong-Liang Zhang, Wei Zhang, Yi-Ming Ren, Wen-Jun Zhao, He-Jun Sun, Zheng-Wei Tian, Meng-Qiang Tian
Format: Article
Language:English
Published: Nature Portfolio 2024-03-01
Series:Scientific Reports
Subjects:
Online Access:https://doi.org/10.1038/s41598-024-56300-1
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author Dong-Liang Zhang
Wei Zhang
Yi-Ming Ren
Wen-Jun Zhao
He-Jun Sun
Zheng-Wei Tian
Meng-Qiang Tian
author_facet Dong-Liang Zhang
Wei Zhang
Yi-Ming Ren
Wen-Jun Zhao
He-Jun Sun
Zheng-Wei Tian
Meng-Qiang Tian
author_sort Dong-Liang Zhang
collection DOAJ
description Abstract The presence of heterotopic ossification (HO) after primary total knee replacement (TKR) is rare and associated with limited mobility and stiffness of the knee. This study aimed to identify if the arthroscopic debridement after TKR could decrease HO and improve the function and range of motion. Thirty HO patients after TKR were retrospectively separated into 2 cohorts. 15 patients of group A accepted the arthroscopic debridement, while 15 patients of group B only had non-operative treatment, mainly including oral nonsteroidal anti-inflammatory drugs (NSAIDs) and rehabilitative treatment. Visual analog scale (VAS) scores, knee society knee scores (KSS), range of motion (knee flexion and knee extension) were obtained before treatment and at 1 month, 3 months, and 6 months after treatment. Radiography of after-treatment was also evaluated to assess the changes in HO. There were 3 males and 27 females with a mean age of 67.4 ± 0.8 years in group A and 68.2 ± 1.3 in group B. The onset time of HO was 3–6 months. The maximum size of the ossification was < 2 cm in 23 knees, 2 cm < heterotopic bone < 5 cm in 6 knees and > 5 cm in 1 knee. The size of HO decreased gradually in all knees by X-ray film at the last follow-up. There were no significant differences in VAS scores after replacement between two groups (p > 0.05). The average range of motion preoperatively in group A was − 15.2–90.6°, which postoperatively increased to − 4.2–110.0°. Meanwhile, the KSS scores and average range of motion of the group A were better than those of the group B at each follow-up time after treatment. Arthroscopic debridement can decrease HO seen from postoperative X-rays, improve the function and range of motion, as well as the pain remission between two groups are comparable. Consequently, arthroscopic resection of HO after TKR is recommended as soon as there is aggravating joint stiffness.
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spelling doaj.art-4d6ebc5c496d40e99b7a85b2a106ea0b2024-03-17T12:22:30ZengNature PortfolioScientific Reports2045-23222024-03-0114111110.1038/s41598-024-56300-1Arthroscopic debridement improves range of motion for heterotopic ossification after total knee replacement: a retrospective cohort studyDong-Liang Zhang0Wei Zhang1Yi-Ming Ren2Wen-Jun Zhao3He-Jun Sun4Zheng-Wei Tian5Meng-Qiang Tian6Department of Joint and Sport Medicine, Tianjin Union Medical Center, Tianjin Medical University, Nankai University Affiliated People’s HospitalNursing Department, Tianjin Union Medical Center, Nankai University Affiliated People’s HospitalDepartment of Joint and Sport Medicine, Tianjin Union Medical Center, Tianjin Medical University, Nankai University Affiliated People’s HospitalDepartment of Joint and Sport Medicine, Tianjin Union Medical Center, Tianjin Medical University, Nankai University Affiliated People’s HospitalDepartment of Joint and Sport Medicine, Tianjin Union Medical Center, Tianjin Medical University, Nankai University Affiliated People’s HospitalDepartment of Joint and Sport Medicine, Tianjin Union Medical Center, Tianjin Medical University, Nankai University Affiliated People’s HospitalDepartment of Joint and Sport Medicine, Tianjin Union Medical Center, Tianjin Medical University, Nankai University Affiliated People’s HospitalAbstract The presence of heterotopic ossification (HO) after primary total knee replacement (TKR) is rare and associated with limited mobility and stiffness of the knee. This study aimed to identify if the arthroscopic debridement after TKR could decrease HO and improve the function and range of motion. Thirty HO patients after TKR were retrospectively separated into 2 cohorts. 15 patients of group A accepted the arthroscopic debridement, while 15 patients of group B only had non-operative treatment, mainly including oral nonsteroidal anti-inflammatory drugs (NSAIDs) and rehabilitative treatment. Visual analog scale (VAS) scores, knee society knee scores (KSS), range of motion (knee flexion and knee extension) were obtained before treatment and at 1 month, 3 months, and 6 months after treatment. Radiography of after-treatment was also evaluated to assess the changes in HO. There were 3 males and 27 females with a mean age of 67.4 ± 0.8 years in group A and 68.2 ± 1.3 in group B. The onset time of HO was 3–6 months. The maximum size of the ossification was < 2 cm in 23 knees, 2 cm < heterotopic bone < 5 cm in 6 knees and > 5 cm in 1 knee. The size of HO decreased gradually in all knees by X-ray film at the last follow-up. There were no significant differences in VAS scores after replacement between two groups (p > 0.05). The average range of motion preoperatively in group A was − 15.2–90.6°, which postoperatively increased to − 4.2–110.0°. Meanwhile, the KSS scores and average range of motion of the group A were better than those of the group B at each follow-up time after treatment. Arthroscopic debridement can decrease HO seen from postoperative X-rays, improve the function and range of motion, as well as the pain remission between two groups are comparable. Consequently, arthroscopic resection of HO after TKR is recommended as soon as there is aggravating joint stiffness.https://doi.org/10.1038/s41598-024-56300-1Total knee replacementHeterotopic ossificationArthroscopyRange of motionRevision
spellingShingle Dong-Liang Zhang
Wei Zhang
Yi-Ming Ren
Wen-Jun Zhao
He-Jun Sun
Zheng-Wei Tian
Meng-Qiang Tian
Arthroscopic debridement improves range of motion for heterotopic ossification after total knee replacement: a retrospective cohort study
Scientific Reports
Total knee replacement
Heterotopic ossification
Arthroscopy
Range of motion
Revision
title Arthroscopic debridement improves range of motion for heterotopic ossification after total knee replacement: a retrospective cohort study
title_full Arthroscopic debridement improves range of motion for heterotopic ossification after total knee replacement: a retrospective cohort study
title_fullStr Arthroscopic debridement improves range of motion for heterotopic ossification after total knee replacement: a retrospective cohort study
title_full_unstemmed Arthroscopic debridement improves range of motion for heterotopic ossification after total knee replacement: a retrospective cohort study
title_short Arthroscopic debridement improves range of motion for heterotopic ossification after total knee replacement: a retrospective cohort study
title_sort arthroscopic debridement improves range of motion for heterotopic ossification after total knee replacement a retrospective cohort study
topic Total knee replacement
Heterotopic ossification
Arthroscopy
Range of motion
Revision
url https://doi.org/10.1038/s41598-024-56300-1
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