Zoning laminectomy for the treatment of ossification of the thoracic ligamentum flavum

Summary: Objective: Spinal cord injury is a common occurrence during spinal surgery. In this study, we proposed a zoning laminectomy, which could reduce the incidence of nerve injury. We also discussed the safety and clinical efficacy of the zoning laminectomy for thoracic ossification of the ligam...

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Main Authors: Qiangqiang Pan, Zhenhui Zhang, Yanyu Zhu, Wentao Jiang, Kai Su, Peilin Liu, Yongsheng Kang, Zhe Shao, Wei Mei, Qingde Wang
Format: Article
Language:English
Published: Elsevier 2023-02-01
Series:Asian Journal of Surgery
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S1015958422008594
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author Qiangqiang Pan
Zhenhui Zhang
Yanyu Zhu
Wentao Jiang
Kai Su
Peilin Liu
Yongsheng Kang
Zhe Shao
Wei Mei
Qingde Wang
author_facet Qiangqiang Pan
Zhenhui Zhang
Yanyu Zhu
Wentao Jiang
Kai Su
Peilin Liu
Yongsheng Kang
Zhe Shao
Wei Mei
Qingde Wang
author_sort Qiangqiang Pan
collection DOAJ
description Summary: Objective: Spinal cord injury is a common occurrence during spinal surgery. In this study, we proposed a zoning laminectomy, which could reduce the incidence of nerve injury. We also discussed the safety and clinical efficacy of the zoning laminectomy for thoracic ossification of the ligamentum flavum (TOLF). Methods: Forty-five patients with TOLF who underwent zoning laminectomy from October 2016 to February 2020 were included in the retrospective analysis. The Japan Orthopedic Association (JOA) score was used to evaluate clinical outcomes. Meanwhile, the occurrence of complications was recorded. Results: All 45 patients underwent the operation successfully, and the mean follow-up period was 25.3 months, the mean operation time was 160.2 min, the average blood loss was 474.2 ml, and the average hospital time was 8.0 days. At the final evaluation, the JOA score was significantly higher than the preoperative JOA score (P < 0.001) and the overall recovery rate of the JOA score averaged 69.6%. Seventeen patients were graded as excellent, twenty-six as good, and two as fair. The complications included dural tears in nine patients (20.0%), cerebrospinal fluid leakage in seven patients (15.6%), deep infection in one patient (2.2%), and epidural hematoma in one patient (2.2%). All patients recovered well after treatment. Besides, there was no neurological deterioration and thoracic kyphosis occurred. Conclusions: Zoning laminectomy adopts a phased resection from “safe zone” to “danger zone” and defines the safe removal range of the lamina, which reduces the risks of spinal cord injury caused by instrument manipulation. Therefore, it is a safe and effective surgical option.
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spelling doaj.art-cf50efc9501445988278463c04502f992023-02-03T04:55:55ZengElsevierAsian Journal of Surgery1015-95842023-02-01462723729Zoning laminectomy for the treatment of ossification of the thoracic ligamentum flavumQiangqiang Pan0Zhenhui Zhang1Yanyu Zhu2Wentao Jiang3Kai Su4Peilin Liu5Yongsheng Kang6Zhe Shao7Wei Mei8Qingde Wang9Henan University, KaiFeng, 475004, ChinaDepartment of Spinal Surgery, Zheng Zhou Orthopaedics Hospital, Zhengzhou, ChinaDepartment of Spinal Surgery, Zheng Zhou Orthopaedics Hospital, Zhengzhou, ChinaDepartment of Spinal Surgery, Zheng Zhou Orthopaedics Hospital, Zhengzhou, ChinaDepartment of Spinal Surgery, Zheng Zhou Orthopaedics Hospital, Zhengzhou, ChinaDepartment of Spinal Surgery, Zheng Zhou Orthopaedics Hospital, Zhengzhou, ChinaDepartment of Spinal Surgery, Zheng Zhou Orthopaedics Hospital, Zhengzhou, ChinaDepartment of Spinal Surgery, Zheng Zhou Orthopaedics Hospital, Zhengzhou, ChinaDepartment of Spinal Surgery, Zheng Zhou Orthopaedics Hospital, Zhengzhou, ChinaDepartment of Spinal Surgery, Zheng Zhou Orthopaedics Hospital, Zhengzhou, China; Corresponding author.Summary: Objective: Spinal cord injury is a common occurrence during spinal surgery. In this study, we proposed a zoning laminectomy, which could reduce the incidence of nerve injury. We also discussed the safety and clinical efficacy of the zoning laminectomy for thoracic ossification of the ligamentum flavum (TOLF). Methods: Forty-five patients with TOLF who underwent zoning laminectomy from October 2016 to February 2020 were included in the retrospective analysis. The Japan Orthopedic Association (JOA) score was used to evaluate clinical outcomes. Meanwhile, the occurrence of complications was recorded. Results: All 45 patients underwent the operation successfully, and the mean follow-up period was 25.3 months, the mean operation time was 160.2 min, the average blood loss was 474.2 ml, and the average hospital time was 8.0 days. At the final evaluation, the JOA score was significantly higher than the preoperative JOA score (P < 0.001) and the overall recovery rate of the JOA score averaged 69.6%. Seventeen patients were graded as excellent, twenty-six as good, and two as fair. The complications included dural tears in nine patients (20.0%), cerebrospinal fluid leakage in seven patients (15.6%), deep infection in one patient (2.2%), and epidural hematoma in one patient (2.2%). All patients recovered well after treatment. Besides, there was no neurological deterioration and thoracic kyphosis occurred. Conclusions: Zoning laminectomy adopts a phased resection from “safe zone” to “danger zone” and defines the safe removal range of the lamina, which reduces the risks of spinal cord injury caused by instrument manipulation. Therefore, it is a safe and effective surgical option.http://www.sciencedirect.com/science/article/pii/S1015958422008594Thoracic myelopathyZoningOssification of ligamentum flavumLaminectomy
spellingShingle Qiangqiang Pan
Zhenhui Zhang
Yanyu Zhu
Wentao Jiang
Kai Su
Peilin Liu
Yongsheng Kang
Zhe Shao
Wei Mei
Qingde Wang
Zoning laminectomy for the treatment of ossification of the thoracic ligamentum flavum
Asian Journal of Surgery
Thoracic myelopathy
Zoning
Ossification of ligamentum flavum
Laminectomy
title Zoning laminectomy for the treatment of ossification of the thoracic ligamentum flavum
title_full Zoning laminectomy for the treatment of ossification of the thoracic ligamentum flavum
title_fullStr Zoning laminectomy for the treatment of ossification of the thoracic ligamentum flavum
title_full_unstemmed Zoning laminectomy for the treatment of ossification of the thoracic ligamentum flavum
title_short Zoning laminectomy for the treatment of ossification of the thoracic ligamentum flavum
title_sort zoning laminectomy for the treatment of ossification of the thoracic ligamentum flavum
topic Thoracic myelopathy
Zoning
Ossification of ligamentum flavum
Laminectomy
url http://www.sciencedirect.com/science/article/pii/S1015958422008594
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