Vidyadhar Upasani

Correction: A comparison of patients with adolescent idiopathic scoliosis and Lenke C-type lumbar curves treated with selective thoracic fusion vs non-selective fusion: a 10-year follow-up study

Nicholas D. Fletcher, Tracey P. Bryan, Suken A. Shah, Stefan Parent et autres

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Lumbar curve correction is durable at 5 years after thoracic fusion in patients with open triradiate cartilage: a cohort comparison to mature patients

Scott Yang, Bailey Ingalls, Tracey P. Bryan, Jennifer M. Bauer et autres

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A comparison of patients with adolescent idiopathic scoliosis and Lenke C-type lumbar curves treated with selective thoracic fusion vs non-selective fusion: a 10-year follow-up study

Nicholas D. Fletcher, Tracey P. Bryan, Suken A. Shah, Stefan Parent et autres

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Three-Dimensional Printing in Pediatric Orthopaedics: Cost Analysis and Emerging Applications

Cameron Jeffers, Michael Galvez, Edward Oates, Romie F. Gibly et autres

Three-dimensional printing (3DP) has become an established adjunct in orthopaedic surgery. Its integration into planning, education, and intraoperative execution has evolved from isolated case reports to measurable clinical outcomes. Recent research highlights reductions in operative time, blood loss, and radiation exposure when …

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The T4–L1 Hip Axis Describes Sagittal Alignment in Operative Adolescent Idiopathic Scoliosis

Thaddeus Woodard, Jeffrey M. Hills, Stefan Parent, Yann Philippe Charles et autres

STUDY DESIGN: Retrospective cohort. OBJECTIVE: To examine preoperative sagittal alignment using vertebral pelvic angles (VPA) in adolescent idiopathic scoliosis (AIS). SUMMARY OF BACKGROUND DATA: VPA describes sagittal spine shape accounting for magnitudes and distributions of sagittal curvatures. Normal adults stand with a …

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Enabling Technologies for Pedicle Screw Placement in Pediatric Spine Surgery

Katelyn S. Nicholson, Eleanor Christianson, Anthony A. Catanzano, Dominick A. Tuason et autres

Enabling technologies (ETs) have increasingly been developed and used in pediatric spine surgery over the past two decades, sparking ongoing discussion about their benefits and drawbacks. Relevant literature indicates that ETs can enhance pedicle screw safety and accuracy while decreasing radiation exposure …

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A Comparative Study of Two Sphere Fitting Methods for Estimating the Hip Joint Center in Infants Using MRI

Victoria Melendez, T.J. Chambers, Danielle Charpentier, Vidyadhar Upasani et autres

Abstract Accurate estimation of the hip joint center (HJC) is critical for biomechanical modeling and clinical assessment. Common methods include predictive methods (e.g., regression equations) and functional methods such as sphere-fitting. In infants, femoral head-based methods are often limited due to incomplete …

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Impact of preoperative lumbosacral takeoff flexibility on postoperative correction following spinal fusion for adolescent idiopathic scoliosis: a new consideration for selective thoracic fusion

Richard E. Campbell, Theodore N. Rudic, Alexander C. Hafey, Elizabeth K. Driskill et autres

PURPOSE: Nonselective fusion for adolescent idiopathic scoliosis results in greater correction of the Lumbosacral Takeoff Angle (LSTOA); however, there are patients selectively fused that still have considerable change in their LSTOA. We sought to identify the relationship between preoperative LSTOA flexibility and …

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