Publications by authors named "Christina Hardesty"

Study Design: Modified Delphi consensus study.

Objective: To develop consensus-based best practices for the care of pediatric patients who have implanted programmable devices (IPDs) and require spinal deformity surgery.

Summary Of Background Data: Implanted programmable devices (IPDs) are often present in patients with neuromuscular or syndromic scoliosis who require spine surgery.

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Background: The recently described Modified Fels knee skeletal maturity system (mFels) has proven utility in prediction of ultimate lower extremity length in modern pediatric patients. mFels users evaluate chronological age, sex, and 7 anteroposterior knee radiographic parameters to produce a skeletal age estimate. We developed a free mobile application to minimize the learning curve of mFels radiographic parameter evaluation.

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Background: The COVID-19 pandemic has led to significant disruptions in medical care, resulting in an estimated 40% of US adults avoiding care. However, the return to baseline health care utilization following COVID-19 restrictions within the pediatric orthopedic population remains unexplored. We sought to analyze the visit volume and demographics of pediatric orthopedic patients at 3 timepoints: prepandemic (2019), pandemic (2020), and pandemic post-vaccine availability (2021), to determine the impact of COVID-19 restrictions on our single-center, multisite institution.

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Introduction: After discontinuation of growth-friendly (GF) surgery for early onset scoliosis, patients are termed graduates: they undergo a spinal fusion, are observed after final lengthening with GF implant maintenance, or are observed after GF implant removal. The purpose of this study was to compare the rates of and reasons for revision surgery in two cohorts of GF graduates: before or after 2 years of follow-up from graduation.

Methods: A pediatric spine registry was queried for patients who underwent GF spine surgery with a minimum of 2 years of follow-ups after graduation by clinical and/or radiographic evidence.

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Background: Idiopathic scoliosis (IS) is a common spinal abnormality, in which orthotic management can reduce progression to surgery. However, predictors of bracing success are still not fully understood. We studied a large patient population treated with the nighttime Providence orthosis, utilizing multivariable logistic regression to assess results and predict future spine surgery.

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Intrathecal morphine (IM) is a popular adjunct for pain management in spinal deformity surgery for idiopathic scoliosis. It has not been studied in patients with early onset scoliosis (EOS). We retrospectively reviewed EOS patients undergoing growth-friendly surgery who received IM or did not receive IM (non-IM).

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Introduction: Early-onset scoliosis (EOS) is a spinal deformity that occurs in patients 9 years of age or younger. Severe deformity may result in thoracic insufficiency, respiratory failure, and premature death. The purpose of this study is to describe the modern-day natural history of mortality in patients with EOS.

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Background: Patients with early-onset scoliosis (EOS) and spasticity may receive treatment with an intrathecal baclofen pump. We assessed how baclofen pumps are associated with the odds of complications and secondary interventions after growth-friendly (GF) spine surgery for EOS and analyzed infectious complications within the pump cohort.

Methods: Using a prospectively maintained, international multicenter database, we studied patients with neuromuscular EOS with baclofen pumps who underwent GF spine surgery from 2002 through 2019 (n=25).

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Purpose: Pre-incision intrathecal morphine (IM) is a popular adjunct in adolescent idiopathic spinal deformity surgery. This study represents our 25-year experience with IM in all diagnostic groups undergoing posterior spinal fusion (PSF) and segmental instrumentation (SI).

Methods: Our prospective Pediatric Orthopaedic Spine Database (1992-2018) identified all patients undergoing PSF and SI.

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The standard treatment of stable slipped capital femoral epiphysis (SCFE) is generally accepted to be in situ pinning. Controversy exists regarding the treatment of unstable SCFE, including the role of a purposeful closed reduction or open reduction. The objective of this study was to investigate the rate of avascular necrosis (AVN) with purposeful closed reduction and in situ pinning of unstable SCFE.

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Background: With a recognized increase in the incidence of venous thromboembolism (VTE) in children, especially in those with complex, chronic conditions, it is important for patient safety and risk management to identify subgroups that would benefit from prophylactic treatment. The aim of our study was to assess whether scoliosis surgery in children was associated with an increased incidence of VTE, including deep venous thrombosis (DVT) and pulmonary embolism, and if chemoprophylaxis is warranted.

Methods: We reviewed our institution's Pediatric Orthopaedic Spine Database (1992-2019) to identify patients who had a symptomatic VTE postoperatively.

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Purpose: Increasingly, patients with early onset scoliosis (EOS) are completing a growth friendly surgical program followed by observation, removal of implants or a definitive spinal fusion. These patients are colloquially referred to as "graduates". A standardized definition of a graduate is needed for research and comparing the outcomes, family counseling, and a better understanding of the population.

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The COVID-19 pandemic has been a challenge to healthcare systems around the world. Within pediatric rehabilitation medicine, management of intrathecal baclofen has been particularly challenging. This editorial reviews how programs in the US and Canada coped with the quickly changing healthcare environment and how we can learn from this pandemic to be prepared for future crises.

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Background: Although there is a high rate of reoperation after final fusion following the treatment of early-onset scoliosis with use of traditional growing rods, the risk factors for reoperation are unknown. The purpose of the present study was to identify risk factors associated with the need for reoperation after final fusion for the treatment of early-onset scoliosis.

Methods: A multicenter database for patients with early-onset scoliosis was retrospectively analyzed.

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Introduction: Baclofen pumps are susceptible to magnetic forces because of the internal drug delivery mechanism. Magnetically controlled growing rods, sometimes implanted in the patients who have pumps, are lengthened using a device that generates a magnetic field. No previous study has determined if the external remote controller (ERC) can stall a baclofen pump during a rod lengthening.

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Study Design: Retrospective case-series study of prospectively collected data.

Objective: We sought to identify the differences in outcomes between one-stage (single surgical episode) and two-stage (separate day) anterior and posterior spinal fusion and segmental spinal instrumentation surgeries in severe non-idiopathic and idiopathic scoliosis cases.

Background: Patients with severe pediatric spine deformity may require combined anterior and posterior fusion procedures.

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Study Design: Retrospective.

Objective: Can a standardized, hospital-wide care bundle decrease surgical site infection (SSI) rate in pediatric spinal deformity surgery? SSI is a major concern in pediatric spinal deformity surgery.

Methods: We performed a retrospective review of our primary scoliosis surgeries between 1999 and 2017.

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Article Synopsis
  • The study examines maternity leave characteristics among female orthopaedic surgeons, gathering data through a survey distributed to members of specific professional organizations.* -
  • Results show that female surgeons typically take longer maternity leave than what is officially offered, with the average leave for first-time mothers at 8.2 weeks compared to 4.6 weeks offered.* -
  • The financial implications are significant, with costs for taking maternity leave varying greatly between training and practicing phases; additional leave taken incurs higher costs for the surgeon.*
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Background: Intrathecal morphine (IM) is a popular adjunct for pain relief during pediatric spinal deformity surgery. There is no literature regarding its usefulness and safety in the presence of a spinal cord syrinx for patients undergoing spinal instrumentation. Anesthesiologists have previously been reluctant to use IM in the presence of any syrinx.

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The aim of this study was to define the incidence of complete implant removal following surgical correction of spinal deformity in pediatric patients over a 22-year period and identify possible risk factors. A retrospective review of our Pediatric Orthopedic Spine Database between 1992 and 2016 was performed. We included patients undergoing complete implant removal following scoliosis correction surgery with a minimum of 2-year follow-up.

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Study Design: Retrospective case-control study.

Objectives: To identify risk factors for early deep surgical site infections (SSIs; within three months of index procedure) following pediatric spinal deformity surgery.

Background: Deep surgical site infections (SSIs) following pediatric spinal deformity surgery are a source of significant morbidity.

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