Lumbar Transpedicular Implant Failure: A Clinical and Surgical Challenge and Its Radiological Assessment
Study DesignIt is a multicenter, controlled case study review of a big scale of pedicle-screw procedures from January 2000 to June 2010. The outcomes were compared to those with no implant failure.PurposeThe purpose of this study was to review retrospectively the outcome of 100 patients with implant...
| Main Authors: | , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Korean Spine Society
2014-06-01
|
| Series: | Asian Spine Journal |
| Subjects: | |
| Online Access: | http://www.asianspinejournal.org/upload/pdf/asj-8-281.pdf |
| _version_ | 1818325411933716480 |
|---|---|
| author | Mohamed M Mohi Eldin Abdel Mohsen Arafa Ali |
| author_facet | Mohamed M Mohi Eldin Abdel Mohsen Arafa Ali |
| author_sort | Mohamed M Mohi Eldin |
| collection | DOAJ |
| description | Study DesignIt is a multicenter, controlled case study review of a big scale of pedicle-screw procedures from January 2000 to June 2010. The outcomes were compared to those with no implant failure.PurposeThe purpose of this study was to review retrospectively the outcome of 100 patients with implant failure in comparison to 100 control-patients, and to study the causes of failure and its prevention.Overview of LiteratureTranspedicular fixation is associated with risks of hardware failure, such as screw/rod breakage and/or loosening at the screw-rod interface and difficulties in the system assembly, which remain a significant clinical problem. Removal or revision of the spinal hardware is often required.MethodsTwo hundred patients (88 women, 112 men) were divided into 2 major groups, with 100 patients in group I (implant failure group G1) and 100 patients in group II (successful fusion, control group G2). We subdivided the study groups into two subgroups: subgroup a (single-level instrumented group) and subgroup b (multilevel instrumented group). The implant status was assessed based on intraoperative and follow-up radiographs.ResultsImplant failure in general was present in 36% in G1a, and in 64% in G1b, and types of implant failure included screw fracture (34%), rod fracture (24%), rod loosening (22%), screw loosening (16%), and failure of both rod and screw (4%). Most of the failures (90%) occurred within 6 months after surgery, with no reported cases 1 year postoperatively.ConclusionsWe tried to address the problem and study the causes of failure, and proposed solutions for its prevention. |
| first_indexed | 2024-12-13T11:44:04Z |
| format | Article |
| id | doaj.art-03a84060d91f4fb4a2abd86e2017f75c |
| institution | Directory Open Access Journal |
| issn | 1976-1902 1976-7846 |
| language | English |
| last_indexed | 2024-12-13T11:44:04Z |
| publishDate | 2014-06-01 |
| publisher | Korean Spine Society |
| record_format | Article |
| series | Asian Spine Journal |
| spelling | doaj.art-03a84060d91f4fb4a2abd86e2017f75c2022-12-21T23:47:34ZengKorean Spine SocietyAsian Spine Journal1976-19021976-78462014-06-018328129710.4184/asj.2014.8.3.281620Lumbar Transpedicular Implant Failure: A Clinical and Surgical Challenge and Its Radiological AssessmentMohamed M Mohi Eldin0Abdel Mohsen Arafa Ali1Department of Neurosurgery, Faculty of Medicine, Cairo University, Cairo, Egypt.Department of Orthopedic Surgery, Faculty of Medicine, Ain Shams University, Cairo, Egypt.Study DesignIt is a multicenter, controlled case study review of a big scale of pedicle-screw procedures from January 2000 to June 2010. The outcomes were compared to those with no implant failure.PurposeThe purpose of this study was to review retrospectively the outcome of 100 patients with implant failure in comparison to 100 control-patients, and to study the causes of failure and its prevention.Overview of LiteratureTranspedicular fixation is associated with risks of hardware failure, such as screw/rod breakage and/or loosening at the screw-rod interface and difficulties in the system assembly, which remain a significant clinical problem. Removal or revision of the spinal hardware is often required.MethodsTwo hundred patients (88 women, 112 men) were divided into 2 major groups, with 100 patients in group I (implant failure group G1) and 100 patients in group II (successful fusion, control group G2). We subdivided the study groups into two subgroups: subgroup a (single-level instrumented group) and subgroup b (multilevel instrumented group). The implant status was assessed based on intraoperative and follow-up radiographs.ResultsImplant failure in general was present in 36% in G1a, and in 64% in G1b, and types of implant failure included screw fracture (34%), rod fracture (24%), rod loosening (22%), screw loosening (16%), and failure of both rod and screw (4%). Most of the failures (90%) occurred within 6 months after surgery, with no reported cases 1 year postoperatively.ConclusionsWe tried to address the problem and study the causes of failure, and proposed solutions for its prevention.http://www.asianspinejournal.org/upload/pdf/asj-8-281.pdfLumbar, fixationScrew, failureFusionFracture fixations, prosthesisLoosening |
| spellingShingle | Mohamed M Mohi Eldin Abdel Mohsen Arafa Ali Lumbar Transpedicular Implant Failure: A Clinical and Surgical Challenge and Its Radiological Assessment Asian Spine Journal Lumbar, fixation Screw, failure Fusion Fracture fixations, prosthesis Loosening |
| title | Lumbar Transpedicular Implant Failure: A Clinical and Surgical Challenge and Its Radiological Assessment |
| title_full | Lumbar Transpedicular Implant Failure: A Clinical and Surgical Challenge and Its Radiological Assessment |
| title_fullStr | Lumbar Transpedicular Implant Failure: A Clinical and Surgical Challenge and Its Radiological Assessment |
| title_full_unstemmed | Lumbar Transpedicular Implant Failure: A Clinical and Surgical Challenge and Its Radiological Assessment |
| title_short | Lumbar Transpedicular Implant Failure: A Clinical and Surgical Challenge and Its Radiological Assessment |
| title_sort | lumbar transpedicular implant failure a clinical and surgical challenge and its radiological assessment |
| topic | Lumbar, fixation Screw, failure Fusion Fracture fixations, prosthesis Loosening |
| url | http://www.asianspinejournal.org/upload/pdf/asj-8-281.pdf |
| work_keys_str_mv | AT mohamedmmohieldin lumbartranspedicularimplantfailureaclinicalandsurgicalchallengeanditsradiologicalassessment AT abdelmohsenarafaali lumbartranspedicularimplantfailureaclinicalandsurgicalchallengeanditsradiologicalassessment |