Publications by authors named "Amy McIntosh"

Objective: The objective of this study is to define the neuropsychiatric challenges including developmental delay, cognitive impairment and psychiatric illness faced by children with perinatally acquired HIV.

Data Sources: Nine databases were searched on 30/05/2023: MEDLINE, Embase, and PsycINFO (all via Ovid SP); CINAHL and Child Development and Adolescent Studies (via EBSCO); the Web of Science Core Collection; Scopus; ProQuest Dissertations and Theses Global; and WHO Global Index Medicus. No limits were applied.

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Study Design: Retrospective multicenter cohort study.

Objective: To investigate the impact of night-time bracing (NTB) and full-time bracing (FTB) on the sagittal profile in adolescent idiopathic scoliosis (AIS) patients.

Summary Of Background Data: Recent studies have shown that FTB in AIS patients may induce hypokyphosis.

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Purpose: To examine if coronal deformity angular ratio (C-DAR) serves as a predictor for progression to surgical magnitude in patients with Adolescent Idiopathic Scoliosis (AIS) treated with thoracolumbar sacral orthosis (TLSO).

Methods: Patients with AIS, prescribed a full-time TLSO, Cobb angle 20-40°, Risser 0-2, who wore the brace ≥ 12.9 h and reached skeletal maturity/surgery were included retrospectively.

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Background: Neuromuscular early-onset scoliosis (N-EOS) often presents with a long sweeping thoracolumbar scoliosis and pelvic obliquity. With severe pelvic obliquity, the ribs come into contact with the high side of the pelvis, termed rib-on-pelvis deformity (ROP). The goal of this study is to evaluate whether ROP is associated with reported pain and other health-related quality of life (HRQOL) measures.

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Postoperative care pathways for adolescent idiopathic scoliosis patients undergoing posterior spinal fusion have demonstrated decreases in postoperative opioid consumption, improved pain control, and lead to decreased lengths of stay. Our objective was to implement postoperative steroids to reduce acute postoperative opioid consumption, pain scores, and length of stay. Dosing consisted of intravenous dexamethasone 0.

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Article Synopsis
  • This study analyzed the rate of Unplanned Return to the Operating Room (UPROR) among early-onset scoliosis patients who underwent Magnetically Controlled Growing Rod (MCGR) implantation without previous spine surgery.
  • A total of 376 patients, averaging 7.7 years old, were reviewed, revealing that 38% experienced UPROR within about 2 years post-surgery, primarily due to complications related to the implant or anchor.
  • Findings indicate that while 20% had a UPROR by 2 years, this rate rose significantly by the 5-year mark, with only 39% avoiding UPROR, providing valuable insights for patient and family discussions about future surgeries.
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Background & Aim: Fast-track or enhanced recovery after surgery (ERAS) is a care pathway for surgical patients based on a multidisciplinary team approach aimed at optimising recovery without increasing risk with protocols based on scientific evidence, which is monitored continuously to ensure compliance and improvement. These protocols have been shown to reduce the duration of postoperative mechanical ventilation and intensive care unit (ICU) length of stay (LOS) following paediatric cardiac surgery. We present the first structured implementation of ERAS in paediatric cardiac surgery in Australia.

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Article Synopsis
  • Neuromuscular and syndromic scoliosis patients face a heightened risk of surgical site infections (SSIs), prompting the implementation of a preoperative Medical Optimization Clinic (MOC) and antibiotic-impregnated calcium sulfate beads to reduce these rates.* -
  • A study analyzed 282 patients between 2016 and 2022, revealing an overall SSI rate of 4.26%, with higher risk factors correlating to increased infection rates. The group that utilized both MOC and antibiotic beads had a significantly lower infection rate of 2.13% despite having more severe conditions.* -
  • The findings underscore the effectiveness of combining MOC and antibiotic interventions in minimizing SSIs among high-risk patients, presenting
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Article Synopsis
  • The study aimed to identify risk factors that predict the premature termination of spinal surgery for adolescent idiopathic scoliosis (AIS) due to intra-operative neuromonitoring changes.
  • Out of 453 cases reviewed, 2% were aborted due to persistent loss of neuromonitoring, and factors associated with these cases included older age, being male, and larger spinal curvature angles.
  • Key intraoperative risks for case abortion included the use of combined anterior/posterior surgical approaches and higher estimated blood loss, significantly increasing the likelihood of needing to stop the surgery.
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Purpose: To determine the health-related quality of life (HRQoL) and clinical outcomes of children with early onset scoliosis (EOS) treated with magnetically controlled growing rods (MCGR) followed to definitive fusion (DF).

Methods: A retrospective review of EOS patients treated with MCGR and followed to DF was performed. Outcomes included HRQoL scores, radiographic, clinical, and unplanned returns to the operating room (UPROR) data collected at pre-MCGR implantation, immediately post-MCGR implantation, pre-DF, and post-DF.

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Background: Socioeconomic disparities in musculoskeletal care are increasingly recognized, however, no studies to date have investigated the role of the insurance carrier on outcomes after posterior spinal fusion (PSF) with segmental spinal instrumentation for adolescent idiopathic scoliosis (AIS).

Methods: A US insurance dataset was queried using the PearlDiver Mariner software for all patients aged 10 to 18 undergoing PSF for a primary diagnosis of AIS between 2010 and 2020. Age, sex, geographic region, number of levels fused, and baseline medical comorbidities were queried.

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Article Synopsis
  • Children with autism spectrum disorder (ASD) and idiopathic scoliosis (IS) were evaluated in a study to compare their radiographic and clinical outcomes post-surgery.
  • A total of 30 patients with ASD showed a higher percent curve correction and improved curve magnitude at a 2-year follow-up compared to IS patients, despite initial differences in lumbar lordosis.
  • The findings indicate that while ASD patients had lower lumbar lordosis preoperatively, their surgical outcomes were at least as good as those of IS patients, with no significant difference in complication rates.
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The objective was to evaluate pediatric patients with acute elbow dislocation and/or associated fracture to determine which were indicated for surgical intervention, using a single institution, Institutional Review Board (IRB) approved retrospective review of patients who presented to the Emergency Department (ED) with an acute elbow dislocation. Inclusion criteria were age ≤ 18 years, acute elbow dislocation injury, and appropriate imaging. A total of 117 patients were included 37 had a simple elbow dislocation, 80 had an associated fracture (medial epicondyle 59, lateral condyle 9, radial head/neck 7, other 5).

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Background: Magnetically controlled growing rods (MCGR) represent the most used implant for the treatment of early onset scoliosis (EOS). These implants lengthen through the application of a remote magnetic field but distraction force generation has been negatively correlated with increasing soft tissue depth. Given the high rate of MCGR stalling, we proposed to investigate the impact of preoperative soft tissue depth on the rate of MCGR stalling at a minimum of 2 years following implantation.

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Purpose: To determine if preoperative Health Related Quality of Life (HRQoL) has declined in the past two decades for patients with Adolescent Idiopathic Scoliosis (AIS), as measured by the Scoliosis Research Society (SRS) questionnaire.

Methods: A retrospective review was conducted on AIS patients that underwent surgery at a single institution between 2002 and 2022. Patients were included if they completed an SRS questionnaire preoperatively.

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Background: The effectiveness of physiotherapeutic scoliosis-specific exercises (PSSE) in addition to nighttime bracing compared with nighttime bracing alone is unknown. The purpose of this prospective comparative study was to evaluate the effectiveness of PSSE in skeletally immature patients with adolescent idiopathic scoliosis treated with nighttime bracing (PSSE group) compared with the standard of care of nighttime bracing alone (control group).

Methods: Patients with adolescent idiopathic scoliosis thoracolumbar or lumbar primary curves <35 degrees at Risser stage 0 who wore a Providence brace were prospectively enrolled into the PSSE or control group.

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Purpose: Magnetically controlled growing rods (MCGR) have become the dominant distraction-based implant for the treatment of early onset scoliosis (EOS). Recent studies, however, have demonstrated rising rates of implant failure beyond short-term follow-up. We sought to evaluate a single-center experience with MCGR for the treatment of EOS to define the rate of MCGR failure to lengthen, termed implant stall, over time.

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Background: Leprosy is rare in the United Kingdom (UK), but migration from endemic countries results in new cases being diagnosed each year. We documented the clinical presentation of leprosy in a non-endemic setting.

Methods: Demographic and clinical data on all new cases of leprosy managed in the Leprosy Clinic at the Hospital for Tropical Diseases, London between 1995 and 2018 were analysed.

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Objective: To determine the incidence, outcomes, and evaluate diagnostic modalities for postoperative vocal cord dysfunction (VCD) following cardiothoracic surgery in children.

Methods: A prospective mixed-methods study using principles of implementation science was completed. All patients undergoing surgery involving the aortic arch, ductus, or ligamentum arteriosum and vascular rings from September 2019 to December 2020 were enrolled.

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Adolescent idiopathic scoliosis occurs in 2% to 3% of the adolescent population, affecting people between ages 10 and 16 years. Scoliosis onset is usually earlier in girls than in boys-generally occurring between ages 10 and 14 years for girls and 12 and 16 years for boys. The cause of idiopathic scoliosis is unknown.

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Background: As the first wave of the COVID-19 pandemic stabilized and resources became more readily available, elective surgery was reinitiated and hospitals realized that there was little guidance on how to prioritize elective cases.

Methods: A prioritization tool was formulated based on clinically relevant elements and previous literature. Nine pediatric orthopaedic surgeons from North American institutions evaluated 25 clinical scenarios on 2 occasions separated in time.

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Background: In-brace correction and brace compliance with thoraco-lumbo-sacral orthotic (TLSO) braces are associated with successful treatment of adolescent idiopathic scoliosis (AIS). This paper compares patients who had consistent radiographic documentation of in-brace correction to those who did not.

Methods: All skeletally immature (Risser 0-2) patients were treated for AIS (25-45°) with full-time TLSO braces that had compliance temperature monitors.

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Every year in Australia over a thousand children who are born with congenital heart disease require surgical intervention. Vocal cord dysfunction (VCD) can be an unavoidable and potentially devastating complication of surgery for congenital heart disease. Structured, multidisciplinary care pathways help to guide clinical care and reduce mortality and morbidity.

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Objective: To assess the effect of lockdown during the 2020 COVID-19 pandemic on daily all-cause admissions, and by age and diagnosis subgroups, and the odds of all-cause mortality in a hospital in rural KwaZulu-Natal (KZN).

Design: Observational cohort.

Setting: Referral hospital for 17 primary care clinics in uMkhanyakude District.

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