Journal of Korean Neurosurgical Society

The Korean Neurosurgical Society (대한신경외과학회)
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Narrative Review of Clinical Impact of Head-Hip Offset Following Adult Spinal Deformity Surgery

  • Sunho Kim (Department of Neurosurgery, Spine Center, Seoul National University Bundang Hospital, Seoul National University College of Medicine) ;
  • Seung-Jae Hyun (Department of Neurosurgery, Spine Center, Seoul National University Bundang Hospital, Seoul National University College of Medicine) ;
  • Jae-Koo Lee (Department of Neurosurgery, Spine Center, Seoul National University Bundang Hospital, Seoul National University College of Medicine) ;
  • Ki-Jeong Kim (Department of Neurosurgery, Spine Center, Seoul National University Bundang Hospital, Seoul National University College of Medicine)
  • Received : 2023.08.17
  • Accepted : 2023.09.25
  • Published : 2024.03.01
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Abstract

In adult spinal deformity (ASD) surgery, mechanical failure (MF) has been a significant concern for spine surgeons as well as patients. Despite earnest endeavors to prevent MF, the absence of a definitive consensus persists, owing to the intricate interplay of multifarious factors associated with this complication. Previous approaches centered around global spinal alignment have yielded limited success in entirely forestalling MF. These methodologies, albeit valuable, exhibited limitations by neglecting to encompass global balance and compensatory mechanisms within their purview. In response to this concern, an in-depth comprehension of global balance and compensatory mechanisms emerges as imperative. In this discourse, the center of gravity and the gravity line are gaining attention in recent investigations pertaining to global balance. This narrative review aims to provide an overview of the global balance and a comprehensive understanding of related concepts and knowledge. Moreover, it delves into the clinical ramifications of the contemporary optimal correction paradigm to furnish an encompassing understanding of global balance and the current optimal correction strategies within the context of ASD surgery. By doing so, it endeavors to furnish spine surgeons with a guiding compass, enriching their decision-making process as they navigate the intricate terrain of ASD surgical interventions.

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References

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