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Bioactivating A Bone Substitute Accelerates Graft Incorporation In A Murine Model Of Vertical Ridge Augmentation, Jinlong Chen, Xue Yuan, Zhijun Li, Daniel J Bahat, Jill A Helms
Bioactivating A Bone Substitute Accelerates Graft Incorporation In A Murine Model Of Vertical Ridge Augmentation, Jinlong Chen, Xue Yuan, Zhijun Li, Daniel J Bahat, Jill A Helms
Department of Orthopaedic Surgery Faculty Papers
OBJECTIVE: Compared to autologous bone grafts, allogeneic bone grafts integrate slowly, which can adversely affect clinical outcomes. Here, our goal was to understand the molecular mechanisms underlying graft incorporation, and then test clinically feasible methods to accelerate this process.
METHODS: Wild-type and transgenic Wnt "reporter" mice were used in a vertical ridge augmentation procedure. The surgery consisted of tunneling procedure to elevate the maxillary edentulous ridge periosteum, followed by the insertion of bone graft. Micro-computed tomographic imaging, and molecular/cellular analyses were used to follow the bone graft over time. Sclerostin null mice, and mice carrying an activated form of β-catenin …
The Role Of Nerves In Skeletal Development, Adaptation, And Aging., Ryan E Tomlinson, Blaine A Christiansen, Adrienne A Giannone, Damian C Genetos
The Role Of Nerves In Skeletal Development, Adaptation, And Aging., Ryan E Tomlinson, Blaine A Christiansen, Adrienne A Giannone, Damian C Genetos
Department of Orthopaedic Surgery Faculty Papers
The skeleton is well-innervated, but only recently have the functions of this complex network in bone started to become known. Although our knowledge of skeletal sensory and sympathetic innervation is incomplete, including the specific locations and subtypes of nerves in bone, we are now able to reconcile early studies utilizing denervation models with recent work dissecting the molecular signaling between bone and nerve. In total, sensory innervation functions in bone much as it does elsewhere in the body-to sense and respond to stimuli, including mechanical loading. Similarly, sympathetic nerves regulate autonomic functions related to bone, including homeostatic remodeling and vascular …
A Surgeon's Handedness In Direct Anterior Approach-Hip Replacement., Xiangpeng Kong, Minzhi Yang, Alvin Ong, Renwen Guo, Jiying Chen, Yan Wang, Wei Chai
A Surgeon's Handedness In Direct Anterior Approach-Hip Replacement., Xiangpeng Kong, Minzhi Yang, Alvin Ong, Renwen Guo, Jiying Chen, Yan Wang, Wei Chai
Department of Orthopaedic Surgery Faculty Papers
BACKGROUND: The impact of handedness on clinical outcomes was easily overlooked in hip replacement. This study aimed to find whether the component positioning and hip function were affected by the handedness in total hip arthroplasty (THA) through direct anterior approach (DAA).
METHODS: Total 102 patients who underwent bilateral DAA-THAs simultaneously between May 2016 and November 2018 in our institute were reviewed. All surgeries were operated by one right-handed surgeon. Their demographic, cup positioning, stem alignment, femoral stem fit, Harris hip score (HHS), intraoperative and postoperative complications were used to evaluate the role of handedness in DAA.
RESULTS: The inclination of …