{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,7,30]],"date-time":"2025-07-30T12:31:25Z","timestamp":1753878685309,"version":"3.41.2"},"reference-count":43,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2024,8,6]],"date-time":"2024-08-06T00:00:00Z","timestamp":1722902400000},"content-version":"vor","delay-in-days":5,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["International Wound Journal"],"published-print":{"date-parts":[[2024,8]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>We used finite element analysis to study the mechanical stress distribution of a new intramedullary implant used for proximal interphalangeal joint (PIPJ) arthrodesis (PIPJA) to surgically correct the claw\u2010hammer toe deformity that affects 20% of the population. After geometric reconstruction of the foot skeleton from claw toe images of a 36\u2013year\u2010old male patient, two implants were positioned, in the virtual model, one neutral implant (NI) and another one 10\u00b0 angled (10\u00b0AI) within the PIPJ of the second through fourth HT during the toe\u2010off phase of gait and results were compared to those derived for the non\u2010surgical foot (NSF). A PIPJA was performed on the second toe using a NI reduced tensile stress at the proximal phalanx (PP) (45.83\u2009MPa) compared to the NSF (59.44\u2009MPa; <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001). When using the 10\u00b0AI, the tensile stress was much higher at PP and middle phalanges (MP) of the same toe, measuring 147.58 and 160.58\u2009MPa, respectively, versus 59.44 and 74.95\u2009MPa at corresponding joints in the NSF (all <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001). Similar results were found for compressive stresses. The NI reduced compressive stress at the second PP (\u221265.12\u2009MPa) compared to the NSF (\u2212113.23\u2009MPa) and the 10\u00b0AI (\u2212142\u2009MPa) (all <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001). The von Mises stresses within the implant were also significantly lower when using NI versus 10\u00b0AI (<jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001). Therefore, we do not recommend performing a PIPJA using the 10\u00b0AI due to the increase in stress concentration primarily at the second PP and MP, which could promote implant breakage.<\/jats:p>","DOI":"10.1111\/iwj.70014","type":"journal-article","created":{"date-parts":[[2024,8,7]],"date-time":"2024-08-07T04:16:41Z","timestamp":1723004201000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Influence of the biomechanical evaluation of rupture using two shapes of same intramedullary implant after proximal interphalangeal joint arthrodesis to correct the claw\/hammer pathology: A finite element study"],"prefix":"10.1111","volume":"21","author":[{"given":"Javier","family":"Bayod\u2010L\u00f3pez","sequence":"first","affiliation":[{"name":"Applied Mechanics and Bioengineering Group (AMB), Aragon Institute of Engineering Research (I3A), Centro de Investigaci\u00f3n Biom\u00e9dica en Red CIBER\u2010BBN, Spain Universidad de Zaragoza  Zaragoza Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ricardo","family":"Becerro\u2010de\u2010Bengoa\u2010Vallejo","sequence":"additional","affiliation":[{"name":"Facultad de Enfermer\u00eda, Fisioterapia y Podolog\u00eda Universidad Complutense de Madrid  Madrid Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Juan Carlos","family":"Prados\u2010Frutos","sequence":"additional","affiliation":[{"name":"Department of Medical Specialties and Public Health, IDIBO Group (High Performance Group in Research and Development of Biomaterials in Dentistry) Rey Juan Carlos University  Madrid Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Marta","family":"Losa\u2010Iglesias","sequence":"additional","affiliation":[{"name":"Facultad de CC de la Salud Universidad Rey Juan Carlos  Madrid Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9818-6290","authenticated-orcid":false,"given":"Daniel","family":"L\u00f3pez\u2010L\u00f3pez","sequence":"additional","affiliation":[{"name":"Research, Health and Podiatry Group, Department of Health Sciences, Faculty of Nursing and Podiatry, Industrial Campus of Ferrol Universidade da Coru\u00f1a  Ferrol Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mar\u00eda","family":"Prados\u2010Privado","sequence":"additional","affiliation":[{"name":"Department Continuum Mechanics and Structural Analysis, Higher Polytechnic School, Carlos III University  Leganes Madrid Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2024,8,6]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"publisher","DOI":"10.1177\/107110078800800501"},{"key":"e_1_2_9_3_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1532-5415.2001.49275.x"},{"key":"e_1_2_9_4_1","doi-asserted-by":"publisher","DOI":"10.2147\/PPA.S152269"},{"key":"e_1_2_9_5_1","doi-asserted-by":"publisher","DOI":"10.1177\/107110070502600502"},{"key":"e_1_2_9_6_1","first-page":"421","article-title":"Lesser toe abnormalities","volume":"52","author":"Coughlin MJ","year":"2003","journal-title":"Instr Course Lect"},{"key":"e_1_2_9_7_1","doi-asserted-by":"publisher","DOI":"10.7547\/87507315-92-4-182"},{"key":"e_1_2_9_8_1","doi-asserted-by":"publisher","DOI":"10.7547\/87507315-91-7-331"},{"key":"e_1_2_9_9_1","unstructured":"McGlamryED SoutherlandJT VickersD BobergJS.McGlamry's comprehensive textbook of foot and ankle surgery.2002."},{"key":"e_1_2_9_10_1","doi-asserted-by":"publisher","DOI":"10.7547\/87507315-92-10-563"},{"key":"e_1_2_9_11_1","doi-asserted-by":"publisher","DOI":"10.7547\/87507315-73-4-187"},{"issue":"2","key":"e_1_2_9_12_1","first-page":"122","article-title":"Absorbable pin: a new method of fixation for digital arthrodesis","volume":"29","author":"Patton GW","year":"1990","journal-title":"J Foot Surg"},{"issue":"3","key":"e_1_2_9_13_1","first-page":"158","article-title":"Toe fusion using Kirschner wire. 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