{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,16]],"date-time":"2026-07-16T19:27:38Z","timestamp":1784230058127,"version":"3.55.0"},"reference-count":22,"publisher":"MDPI AG","issue":"18","license":[{"start":{"date-parts":[[2025,9,18]],"date-time":"2025-09-18T00:00:00Z","timestamp":1758153600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JCM"],"abstract":"<jats:p>Background: Periprosthetic hip fractures (PPFs) are one of the major complications in total hip arthroplasty (THA). Therefore, it is important to identify a mechanism for fracture resistance in THA. This study aimed to clarify the differences in fracture torque and fracture type analysis between two different types of cemented stems. Methods: We conducted biomechanical testing of bone analogues using six cemented stems of two different types with osteoporotic bone models: Anterior minimally invasive surgery (AMIS)-K and Charnley-Marcel-Kerboull (CMK) stems. Experienced surgeons implanted each of these types of stems into six bone analogues, and the analogues were compressed and internally rotated until failure. Torque-to-fracture and fracture type were recorded. Results: There was no significant difference in fracture torque of AMIS-K stem, compared to the CMK stem (p = 0.94). The AMIS-K stem showed one comminuted oblique fracture of Vancouver type B2 and five fractures of type C at the tip of the stem. The CMK stem showed five comminuted oblique fracture of Vancouver type B2 and one of type C at the tip of the stem. Conclusion: The AMIS-K stem demonstrated comparable fracture resistance to the CMK stem in an osteoporotic model.<\/jats:p>","DOI":"10.3390\/jcm14186558","type":"journal-article","created":{"date-parts":[[2025,9,18]],"date-time":"2025-09-18T09:32:32Z","timestamp":1758187952000},"page":"6558","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Comparison of Fracture Resistance Using Two Different Major Cemented Stems in Osteoporotic Bone Models"],"prefix":"10.3390","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0009-0007-6064-7171","authenticated-orcid":false,"given":"Kohei","family":"Hashimoto","sequence":"first","affiliation":[{"name":"Department of Orthopedic Surgery, Aichi Medical University, 1-1 Yazakokarimata, Nagakute 480-1195, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3911-7180","authenticated-orcid":false,"given":"Yukio","family":"Nakamura","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery, Aichi Medical University, 1-1 Yazakokarimata, Nagakute 480-1195, Japan"},{"name":"Department of Orthopedic Surgery, Division of Osteoporosis, Locomotive Syndrome, Joint Disease Center, Aichi Medical University, 1-1 Yazakokarimata, Nagakute 480-1195, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6937-3567","authenticated-orcid":false,"given":"Nobunori","family":"Takahashi","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery, Aichi Medical University, 1-1 Yazakokarimata, Nagakute 480-1195, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7810-7789","authenticated-orcid":false,"given":"Takkan","family":"Morishima","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery, Aichi Medical University, 1-1 Yazakokarimata, Nagakute 480-1195, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2025,9,18]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Faldini, C., Rossomando, V., Brunello, M., D\u2019Agostino, C., Ruta, F., Pilla, F., Traina, F., and Di Martino, A. 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