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The compared study about femoral stem malalignment with or without the special curved rasp during DAA total hip arthroplasty
OBJECTIVE: To investigate whether the application of a curved rasp on the femoral side is effective in reducing the incidence of stem malalignment in total hip replacement with direct anterior approach (DAA-THA), followed by the analysis of the independent risk factors affecting stem malalignment. M...
Autores principales: | , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2023
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10122324/ https://www.ncbi.nlm.nih.gov/pubmed/37087443 http://dx.doi.org/10.1186/s12891-023-06409-7 |
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author | Lin, Bei Lan, Yiping Lu, Zhiming Xie, Shiwei Lin, Feitai Weng, Yan Feng, Eryou Chen, Jinhua |
author_facet | Lin, Bei Lan, Yiping Lu, Zhiming Xie, Shiwei Lin, Feitai Weng, Yan Feng, Eryou Chen, Jinhua |
author_sort | Lin, Bei |
collection | PubMed |
description | OBJECTIVE: To investigate whether the application of a curved rasp on the femoral side is effective in reducing the incidence of stem malalignment in total hip replacement with direct anterior approach (DAA-THA), followed by the analysis of the independent risk factors affecting stem malalignment. METHODS: Retrospective analysis was carried out covering 160 patients undergoing DAA-THA from January 2019 to December 2021, with Tri-Lock (BPS, Depuy) stem applied in all 113 patients were screened according to inclusion and exclusion criteria. The data of gender, age, body mass index, preoperative diagnoses, Dorr classification, FAR ratio, pelvic morphology ratio, WOMAC scores, were analyzed to explore the independent factors influencing the malalignment of the femoral prosthesis implantation. Then data of patients were divided into group A and group B according to whether the curved rasp was taken during the operation. The chi-square test was performed to compare the incidence of femoral stem malalignment between the two groups. RESULTS: There revealed two independent risk factors: BMI and FAR ratio that affected femoral stem malalignment. The increased BMI was associated with a higher probability of femoral stem malalignment (P<0.05), the probability of malalignment of femoral stem in FAR ratio<1 was 1.15 times higher than that in FAR>1(OR = 1.15, 95% CI: 1.03–1.28, P<0.05). Further grouping analysis showed that the incidence of femoral stem malalignment in patients with intraoperative application of curved rasp was 27%, while in patients without curved rasp, the incidence of femoral stem malalignment increased significantly to 48.7%(P<0.05). The placement angle of prosthesis in group A was significantly better than that in group B, especially mild femoral stem malalignment (0%) and severe femoral stem malalignment (2.70%), and the difference was statistically significant (P < 0.05). There found no significant difference in age, gander, intraoperative complications and last follow-up assessment of WOMAC scores between the two groups of patients. CONCLUSIONS: In DAA-THA, BMI and FAR ratio act as the independent risk factors for femoral stem malalignment. Intraoperative use of a curved rasp significantly reduces the incidence of malalignment of the femoral stem. SUPPLEMENTARY INFORMATION: The online version contains supplementary material available at 10.1186/s12891-023-06409-7. |
format | Online Article Text |
id | pubmed-10122324 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2023 |
publisher | BioMed Central |
record_format | MEDLINE/PubMed |
spelling | pubmed-101223242023-04-23 The compared study about femoral stem malalignment with or without the special curved rasp during DAA total hip arthroplasty Lin, Bei Lan, Yiping Lu, Zhiming Xie, Shiwei Lin, Feitai Weng, Yan Feng, Eryou Chen, Jinhua BMC Musculoskelet Disord Research OBJECTIVE: To investigate whether the application of a curved rasp on the femoral side is effective in reducing the incidence of stem malalignment in total hip replacement with direct anterior approach (DAA-THA), followed by the analysis of the independent risk factors affecting stem malalignment. METHODS: Retrospective analysis was carried out covering 160 patients undergoing DAA-THA from January 2019 to December 2021, with Tri-Lock (BPS, Depuy) stem applied in all 113 patients were screened according to inclusion and exclusion criteria. The data of gender, age, body mass index, preoperative diagnoses, Dorr classification, FAR ratio, pelvic morphology ratio, WOMAC scores, were analyzed to explore the independent factors influencing the malalignment of the femoral prosthesis implantation. Then data of patients were divided into group A and group B according to whether the curved rasp was taken during the operation. The chi-square test was performed to compare the incidence of femoral stem malalignment between the two groups. RESULTS: There revealed two independent risk factors: BMI and FAR ratio that affected femoral stem malalignment. The increased BMI was associated with a higher probability of femoral stem malalignment (P<0.05), the probability of malalignment of femoral stem in FAR ratio<1 was 1.15 times higher than that in FAR>1(OR = 1.15, 95% CI: 1.03–1.28, P<0.05). Further grouping analysis showed that the incidence of femoral stem malalignment in patients with intraoperative application of curved rasp was 27%, while in patients without curved rasp, the incidence of femoral stem malalignment increased significantly to 48.7%(P<0.05). The placement angle of prosthesis in group A was significantly better than that in group B, especially mild femoral stem malalignment (0%) and severe femoral stem malalignment (2.70%), and the difference was statistically significant (P < 0.05). There found no significant difference in age, gander, intraoperative complications and last follow-up assessment of WOMAC scores between the two groups of patients. CONCLUSIONS: In DAA-THA, BMI and FAR ratio act as the independent risk factors for femoral stem malalignment. Intraoperative use of a curved rasp significantly reduces the incidence of malalignment of the femoral stem. SUPPLEMENTARY INFORMATION: The online version contains supplementary material available at 10.1186/s12891-023-06409-7. BioMed Central 2023-04-22 /pmc/articles/PMC10122324/ /pubmed/37087443 http://dx.doi.org/10.1186/s12891-023-06409-7 Text en © The Author(s) 2023 https://creativecommons.org/licenses/by/4.0/Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) . The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/ (https://creativecommons.org/publicdomain/zero/1.0/) ) applies to the data made available in this article, unless otherwise stated in a credit line to the data. |
spellingShingle | Research Lin, Bei Lan, Yiping Lu, Zhiming Xie, Shiwei Lin, Feitai Weng, Yan Feng, Eryou Chen, Jinhua The compared study about femoral stem malalignment with or without the special curved rasp during DAA total hip arthroplasty |
title | The compared study about femoral stem malalignment with or without the special curved rasp during DAA total hip arthroplasty |
title_full | The compared study about femoral stem malalignment with or without the special curved rasp during DAA total hip arthroplasty |
title_fullStr | The compared study about femoral stem malalignment with or without the special curved rasp during DAA total hip arthroplasty |
title_full_unstemmed | The compared study about femoral stem malalignment with or without the special curved rasp during DAA total hip arthroplasty |
title_short | The compared study about femoral stem malalignment with or without the special curved rasp during DAA total hip arthroplasty |
title_sort | compared study about femoral stem malalignment with or without the special curved rasp during daa total hip arthroplasty |
topic | Research |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10122324/ https://www.ncbi.nlm.nih.gov/pubmed/37087443 http://dx.doi.org/10.1186/s12891-023-06409-7 |
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