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BACKGROUND: Children with neuromuscular early onset scoliosis (EOS) receive numerous radiographic studies both from orthopaedic and other specialties. Ionizing radiation doses delivered by computed tomography (CT) are reportedly 100 times higher than conventional radiography. The purpose of this study was to evaluate the number of radiographic studies ordered for neuromuscular EOS patients during their care. METHODS: Retrospective review at a tertiary children's hospital from January 2010 to June 2021 included all patients with neuromuscular EOS followed by an orthopaedic specialist for a minimum of 3 years. Patients were excluded if the majority of their nonorthopaedic care was provided by outside institutions. RESULTS: Eighteen patients met inclusion criteria with mean follow up of 6.4±2.3 years. A total of 1312 plain radiographs and 35 CT scans were performed. Of the plain radiographs, 34.7% were ordered by orthopaedic providers and 65.3% (857/1312) were ordered by other providers. Of the CT scans, 4 were ordered by orthopaedic providers, while 88.5% (21/35) were ordered by other providers. An average of 74.7 (range: 29 to 124) radiographs and 1.9 (range: 0 to 9) CT scans ordered over the course of each patient's treatment for an average of 13.0±6.0 radiographs and 0.3 CT scans per year. CONCLUSIONS: With an average of 75 radiographs and 1.9 CT scans performed per patient, consideration for steps to limit exposure to ionizing radiation should be made a particularly high priority in this unique subset of patients. This requires interdisciplinary coordination as 65% of the radiographs and over 80% of the CT scans were ordered by nonorthopaedic providers. LEVEL OF EVIDENCE: Level III.
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Escoliose , Tomografia Computadorizada por Raios X , Humanos , Escoliose/diagnóstico por imagem , Estudos Retrospectivos , Feminino , Tomografia Computadorizada por Raios X/métodos , Pré-Escolar , Masculino , Criança , Lactente , Radiografia/métodos , Doses de Radiação , SeguimentosRESUMO
BACKGROUND: Treatment of acute pediatric Monteggia fractures requires ulnar length stability to maintain reduction of the radiocapitellar joint. When operative care is indicated, intramedullary ulna fixation can be buried or left temporarily exposed through the skin while under a cast. The authors hypothesized that treatment with exposed fixation yields equivalent results to buried fixation for Monteggia fractures while avoiding secondary surgery for hardware removal. METHODS: A retrospective review of children with acute Monteggia fractures at our Level 1 pediatric trauma center was performed. Patient charts and radiographs were evaluated for age, fracture type, fracture location, Bado classification, type of treatment, complications, cast duration, time to fracture union, time to hardware removal, and range of motion. RESULTS: Out of 59 acute Monteggia fractures surgically treated (average age 6 y, range 2 to 14), 15 (25%) patients were fixed with buried intramedullary fixation and 44 (75%) with exposed intramedullary fixation under a cast. There were no significant differences between buried and exposed intramedullary fixation in cast time after surgery (39 vs. 37 d; P =0.55), time to fracture union (37 vs. 35 d; P =0.67), pronation/supination (137 vs. 134 degrees; P =0.68) or flexion/extension (115 vs. 114 degrees; P =0.81) range of motion. The exposed fixation had a return to OR of 4.5% (2 out of 44), and the buried fixation returned to the OR for removal on all patients. CONCLUSION: Exposed intramedullary fixation yielded equivalent clinical outcomes to buried devices in the treatment of acute pediatric Monteggia fractures while eliminating the need for a second surgery to remove hardware, reducing the associated risks and costs of surgery and anesthesia, but had a higher complication rate. Open Monteggia fractures or patterns with a known risk of delayed union may benefit from buried instead of exposed intramedullary fixation for earlier mobilization. LEVEL OF EVIDENCE: III.
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Fixação Intramedular de Fraturas , Fratura de Monteggia , Fraturas da Ulna , Humanos , Criança , Fratura de Monteggia/cirurgia , Fraturas da Ulna/cirurgia , Ulna/cirurgia , Fixação Interna de Fraturas/métodos , Fixação Intramedular de Fraturas/métodos , Estudos Retrospectivos , Resultado do TratamentoRESUMO
INTRODUCTION: Pediatric hip disorders represent a broad range of pathology and remain a significant source of morbidity for children and young adults. Surgical intervention is often required for joint preservation, but when salvage is not possible, joint replacement may be indicated to eliminate pain and preserve function. Although there have been significant updates in the management of both pediatric hip disease and the field of total hip arthroplasty (THA), there is a paucity of literature reflecting advancements in the area of pediatric and young adult (PYA) arthroplasty. No study has investigated the impact of approach on outcomes after PYA THA. The purpose of this study is to describe the indications, techniques, and early outcomes of THA in the PYA population in a modern practice setting. METHODS: We performed a retrospective descriptive analysis of all patients undergoing primary THA performed at a tertiary care children's hospital from 2004 to 2019. Ninety-three hips in 76 patients were evaluated. Demographics, intraoperative variables, postoperative pain and function ratings, and complication and revision rates were collected. RESULTS: Eighty-five hips in 69 patients were included. Patients were aged 12 to 23 years old, with males and females represented equally (33 vs. 36, respectively). The most common cause of hip pain was avascular necrosis (AVN, 56/85, 66%), most commonly due to slipped capital femoral epiphysis (13/56, 23%) idiopathic AVN (12/56, 21%), and chemotherapy (12/56, 21%). Half of all hips had been previously operated before THA (43/85). Thirty-six procedures were performed via the posterolateral approach (36/85, 42%), 33 were performed via direct anterior approach (33/85, 39%), and 16 were performed via the lateral approach (LAT, 16/85, 19%). At final follow-up, 98% (83/85) of patients had complete resolution of pain, 82% (70/85) had no notable limp, and 95% (81/85) had returned to all activities. There were 6 complications and 1 early revision. Average Hip disability and Osteoarthritis Outcomes Score for Joint Replacement scores increased by 37 points from 56 to 93. The overall revision-free survival rate for PYA THA was 98.8% (at average 19-mo follow-up). CONCLUSIONS: Modern PYA THA is dissimilar in indications and surgical techniques to historic cohorts, and conclusions from prior studies should not be generalized to modern practice. In our practice, PYA patients most commonly carry a diagnosis of AVN, and THA can be performed with modern cementless fixation with large cup and head sizes and ceramic-on-cross-linked polyethylene bearings utilizing any approach. Further study is required to better characterize middle-term and long-term results and patient-reported outcomes. LEVEL OF EVIDENCE: Therapeutic Level IV-retrospective case series.
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Artroplastia de Quadril , Prótese de Quadril , Masculino , Feminino , Humanos , Adulto Jovem , Criança , Adolescente , Adulto , Artroplastia de Quadril/efeitos adversos , Articulação do Quadril/cirurgia , Estudos Retrospectivos , Resultado do Tratamento , Falha de Prótese , Reoperação , Dor Pós-OperatóriaRESUMO
BACKGROUND: Cast injuries can occur during application, throughout immobilization, and during removal, with common morbidities being pressure ulcers and cast saw burns. The incidence rate of cast injuries in generalized and diagnosis specific pediatric populations is not known. The goal of this study is to accurately quantify the rate of incidence of cast injuries at a large pediatric orthopaedic practice and identify potentially modifiable risk factors to guide quality of care improvement. METHODS: A retrospective review was performed at our institution between July 2019 and October 2020. Inclusion criteria was all pediatric patients (below 21 y old) with an orthopaedic diagnosis that was treated with casting. The child's diagnosis, specific type of cast, and training level of the person applying the cast was recorded. Patient injuries were identified through cast technicians' documentation regarding cast removal. The primary outcome was the incidence of casting injuries from July 2019 through October 2020. Additional outcomes included the association between diagnosis of neuromuscular disease and training level of individual applying the cast with casting injuries. χ2 tests were used to compare categorical variables and post hoc comparisons using Bonferroni correction. Injury incidence rates were calculated as number of injuries per 1000 casts. RESULTS: There were 2239 casts placed on children at this institution between July 2019 and October 2020 and a total of 28 injuries for an incidence rate of 12.5 per 1000. Of the 28 total injuries reported, there were 5 cast saw burns (2.2 per 1000) and 23 pressure ulcers (10.3 per 1000). Incidence of cast injury was not significantly correlated with timing of application during the academic year or training level of the individual applying the cast (P=0.21 and 0.86). Notably, there was a significantly higher incidence of cast injuries in individuals with a diagnosis of a neuromuscular disorder (37.4 per 1000) than those without (7.5 per 1000) (P<0.01). CONCLUSION: The incidence of cast injuries is 12.5 per 1000 children at our level I trauma tertiary referral pediatric clinic. Training level of the individual applying the cast or timing during the academic year did not correlate with cast injuries. Patients with neuromuscular disorders are at significantly higher risk for experiencing cast injuries. LEVEL OF EVIDENCE: Level III.
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Queimaduras , Ortopedia , Moldes Cirúrgicos/efeitos adversos , Criança , Humanos , Incidência , Estudos RetrospectivosRESUMO
BACKGROUND: The proximal femur is a common location for pathologic fractures in children, yet there is little published information regarding this injury. The purpose of this study was to investigate the outcomes of pediatric pathologic proximal femur fractures due to benign bone tumors. METHODS: A retrospective review of patients treated for pathologic proximal femur fractures from 2004 to 2018 was conducted. Inclusion criteria were age below 18 years and pathologic proximal femur fracture secondary to a benign bone tumor. Patients were excluded if they had <1 year of follow-up. Medical charts and serial radiographs were reviewed for fracture classification, underlying pathology, treatment, complications, and time to fracture healing. RESULTS: A total of 14 patients were included. Mean age was 6±3 (3 to 11) years, and mean follow-up was 44±21 (22 to 86) months. Index treatment was spica casting in 9/14 (68%) patients, while 5/14 (32%) were treated with internal fixation. Of the 9 patients initially treated with casting, 22% (2/9) required repeat spica casting at a mean of 0.6 months after index treatment, 67% (6/9) required internal fixation at a mean of 20.3 months after index treatment, and 11% (1/9) did not require revision treatment. Eighty-eight percent (8/9) of patients treated with casting required revision treatment compared with 40% (2/5) of those treated with internal fixation (P=0.05). Nonunion occurred after 1 refracture, malunion with coxa vara occurred in 2 fractures, and the remaining 11/14 (84%) fractures had a union at a mean of 4.9±3.0 months All cases of malunion occurred in patients initially treated nonoperatively. There were 19 distinct complications in 10/14 (71%) patients. The incidence of any revision surgery was 64% (9/14). CONCLUSIONS: In this series, pediatric pathologic proximal femur fractures demonstrated prolonged time to union, high incidence of revision surgery (64%), and substantial complication rate (71%). In children with pathologic proximal femur fractures, treatment with internal fixation is recommended as this series showed a 78% failure rate of initial conservative management. LEVEL OF EVIDENCE: Level IV.
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Cistos Ósseos , Neoplasias Ósseas , Fraturas do Fêmur , Fraturas Espontâneas , Adolescente , Cistos Ósseos/complicações , Cistos Ósseos/diagnóstico por imagem , Cistos Ósseos/cirurgia , Neoplasias Ósseas/cirurgia , Criança , Pré-Escolar , Fraturas do Fêmur/diagnóstico por imagem , Fraturas do Fêmur/etiologia , Fraturas do Fêmur/cirurgia , Fêmur/diagnóstico por imagem , Fêmur/cirurgia , Fixação Interna de Fraturas/efeitos adversos , Fraturas Espontâneas/diagnóstico por imagem , Fraturas Espontâneas/etiologia , Fraturas Espontâneas/cirurgia , Humanos , Reoperação , Estudos Retrospectivos , Resultado do TratamentoRESUMO
INTRODUCTION: The failure rate of Pavlik harness treatment for developmental dysplasia of the hip (DDH) has been reported as high as 55%. The purpose of this study is to investigate the effect of an inverted acetabular labrum on outcomes of Pavlik harness treatment for DDH. METHODS: A retrospective review was conducted on DDH patients at a tertiary care pediatric hospital from 2004 to 2016. DDH patients that underwent index treatment with Pavlik harness and had minimum 12 months follow-up were included. Medical charts were reviewed for demographics, treatment, and outcomes. Outcomes were compared between patients with an inverted labrum versus those without an inverted labrum. RESULTS: A total of 156 patients with 229 dysplastic hips were included. The mean age at initiation of Pavlik harness treatment was 1.9±1.4 months and mean follow-up was 37.7±23.0 months. Bilateral DDH was diagnosed in 46% (73/156) of patients. In all, 37% (75/229) of hips failed Pavlik harness index treatment. Second-line treatment was rigid hip abduction bracing in 91% (68/75) of hips, closed reduction in 5% (4/75) of hips, and open reduction in 4% (3/75) of hips. An inverted labrum was present in 10% (22/229) of all hips. The incidence of Pavlik harness treatment failure was 91% (20/22) in the inverted labrum group compared with 27% (55/207) in the control group (P<0.001). Closed or open reduction was required in 86% (15/22) of the inverted labrum group compared with 3% (7/207) of hips in the control group (P<0.001). The incidence of avascular necrosis was 18% (4/22) in hips with an inverted labrum compared with 0.4% (1/207) in the control group (P<0.001). CONCLUSIONS: In children with DDH undergoing index treatment in a Pavlik harness, the presence of an inverted acetabular labrum is strongly predictive of treatment failure. Dysplastic hips with an inverted labrum also have a significantly higher risk of requiring closed or open reduction and developing avascular necrosis compared with those without an inverted labrum. LEVEL OF EVIDENCE: Level III.
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Displasia do Desenvolvimento do Quadril , Luxação Congênita de Quadril , Criança , Luxação Congênita de Quadril/diagnóstico por imagem , Luxação Congênita de Quadril/terapia , Humanos , Lactente , Aparelhos Ortopédicos , Estudos Retrospectivos , Falha de Tratamento , Resultado do Tratamento , UltrassonografiaRESUMO
BACKGROUND: Methylnaltrexone, a peripheral opioid antagonist, is used to decrease opioid-induced constipation; however, there is limited evidence for its use in children. The primary objective of the study is to assess the efficacy of per os (PO) methylnaltrexone in inducing bowel movements (BMs) in patients with adolescent idiopathic scoliosis who underwent a posterior spinal fusion and instrumentation (PSFI). Secondary outcomes include hospital length of stay, postoperative pain scores, and postoperative opioid usage. METHODS: Retrospective chart review identified all adolescent idiopathic scoliosis patients above 10 years of age who underwent PSFI with a minimum of 24 hours of postoperative opioid analgesia after the initiation of the new bowel regimen protocol. The bowel regimen included daily administration of PO methylnaltrexone starting on postoperative day 1 until BM is achieved. A case-matched cohort was obtained with patients who did not receive PO methylnaltrexone and otherwise had the same bowel function regimen. Case-matched controls were also matched for age, sex, body mass index, and curve severity. t Tests and Pearson χ2 tests were used for statistical analysis. RESULTS: Fifty-two patients received oral methylnaltrexone (14±2.6 y) and 52 patients were included in the case-matched control group (14±2.1 y). The methylnaltrexone group had a significantly shorter hospital length of stay (3.09±0.66) compared with controls (3.69±0.80) (P<0.01). 59% (31 of 52) of the methylnaltrexone group had a BM by postoperative day postoperative day 2, compared with 30% (16 of 52) of the control group (P<0.01). In the methylnaltrexone group, 44% (23 of 52) of the patients required a Dulcolax (bisacodyl) suppository and 11% (6 of 52) required an enema, compared with 50% (26 of 52) and 33% (12 of 52) of the control group respectively (P=0.43 and 0.12). In addition, significantly less patients had abdominal distension during their postoperative stay in the methylnaltrexone group (17%, 9 of 52) compared with the control group (40%, 21 of 52) (P<0.01). There was no significant difference in self-reported average FACES pain score (P=0.39) or in opioid morphine equivalents required per hour (P=0.18). CONCLUSIONS: Patients who received PO methylnaltrexone after PSFI had decreased length of stay and improved bowel function. Administration of methylnaltrexone did not increase maximum self-reported FACES pain values or opioid consumption compared with controls. The use of oral methylnaltrexone after PSFI reduces postoperative constipation, which has implications for reducing hospital length of stay and overall morbidity. LEVEL OF EVIDENCE: Level III-retrospective comparative study.
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STUDY DESIGN: Systematic review. The purpose of this study was to compare the top 25 articles on pediatric spine surgery by number of citations and Altmetric score. All published articles pertaining to pediatric spine surgery from 2010 to 2021 were assessed for: Altmetric scores, Altmetric score breakdown (e.g. Twitter, News), citation counts, and article topics. The top 25 Altmetric articles and top 25 cited articles were identified. Out of the 50 total articles, only 3 (6.0%) overlapped between the two groups. The top Altmetric articles had averages (mean ± SD) of 167â ±â 130 Altmetric score and 66â ±â 135 citations, while the top citation articles had averages of 22â ±â 45 Altmetric score and 196â ±â 114 citations. When evaluating article topics, articles on 'back pain' (36% vs. 4%; Pâ =â 0.003) and 'backpacks' (16% vs. 0%; Pâ =â 0.030) were published significantly more in the top Altmetric group, while articles on 'scoliosis' (93% vs. 36%; Pâ <â 0.001) and 'growth friendly surgery' (24% vs. 4%; Pâ =â 0.041) were published significantly more in the top citation group. The total number of citations and online mentions for both groups are presented in Table 2. The biggest differences were the top Altmetric score articles receiving greater percentages of Twitter mentions relative to overall mentions (87% vs. 57%). The most socially popular articles focused on back pain and backpacks, and the most cited articles focused on scoliosis and growth-friendly surgery. Twitter had the most mentions of all social media for both the top cited articles and the top Altmetric articles.
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STUDY DESIGN: Retrospective. OBJECTIVE: The aim of this study is to evaluate if standing in a Schroth trained position influences the radiographic assessment of Cobb angle and other radiographic parameters compared to a normal standing position. Schroth method has been associated with improved Cobb angle. This study aims to evaluate if standing in the Schroth trained position influences radiographic assessment of Cobb angle compared to a normal standing position. METHODS: This is a retrospective review of patients with adolescent idiopathic scoliosis (AIS) who were participating in Schroth therapy at the time of radiographs. Ten pairs of radiographs were included in this study. Each pair consisted of two micro-dose biplanar PA thoracolumbar spine radiographs obtained on the same day, one with the patient standing in the Schroth trained position and one in their normal standing position. Each pair of radiographs was independently evaluated by three attending pediatric spine surgeons for Cobb angle, coronal balance, shoulder balance, and leg length discrepancy, for a total of 30 paired readings (3 readings for each of the 10 pairs of radiographs). RESULTS: Major Cobb angle was a mean of 6° less (p = 0.02) and the compensatory curve was 5° less (p = 0.03) in the Schroth trained position compared to their normal standing position. Neither coronal balance (p = 0.40) nor shoulder balance (p = 0.16) was significantly different. Mean leg length discrepancy was 6.8 mm greater in the Schroth trained versus normal position (p < 0.001). CONCLUSION: Standing in a Schroth trained position for a PA spine radiograph was associated with a mean change in major Cobb angle of 6° compared to a normal standing position. If bracing was recommended for curves > 25° and surgery for curves > 45°, different treatment recommendations would have been made in 33% (10/30) of attendings' readings for the Schroth versus normally paired radiographs taken on the same day on the same patient. Studies evaluating the effect of Schroth therapy on Cobb angle must report if patients are standing in a normal or Schroth trained position during radiographs for conclusions to be valid, or differences may be due to a temporary, voluntary change in posture. LEVEL OF EVIDENCE: III.
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Terapia por Exercício/métodos , Desigualdade de Membros Inferiores/fisiopatologia , Escoliose/patologia , Escoliose/fisiopatologia , Posição Ortostática , Adolescente , Criança , Feminino , Humanos , Desigualdade de Membros Inferiores/diagnóstico por imagem , Masculino , Projetos Piloto , Postura , Estudos Retrospectivos , Escoliose/diagnóstico por imagem , Coluna Vertebral/diagnóstico por imagem , Coluna Vertebral/fisiopatologiaRESUMO
Postoperative fever in pediatric patients following reconstructive hip surgery is of unknown significance. This study identifies the prevalence of postoperative fever after corrective hip surgery, its relationship to infection, and whether preventative use of anti-pyretics affects patient outcomes.Overall, 222 patients who underwent a varus derotational osteotomy (VDRO) between 11/1/2004 to 8/1/2014 with minimum 6 months follow up were retrospectively identified. Variables included diagnosis, inpatient stay, daily maximum temperature, duration of fever, fever workup, and administration of scheduled anti-pyretics. Fever was defined as temperature ≥38°C.In total, 123/222 (55.4%) and 70/222 (31.5%) had postoperative fevers of ≥38°C and ≥38.5°C, respectively. Average inpatient stay was 2.7 days postoperatively. Temperature (meanâ=â38.0°C) was greatest on postoperative day 1 (POD1), and 43.7% of patients had T ≥38°C on POD1. Anti-pyretics did not influence the duration of fever. Anti-pyretics on the day of surgery (POD0) did not influence the incidence of fever. Acetaminophen on POD0 significantly reduced likelihood of fever on POD1 (Pâ=â.02). Average length of fevers ≥38°C and 38.5°C were 8.4 and 4.2âhours, respectively. 3/18 (16.7%) fever workups administered were positive. Postoperative fever did not predict infection. 9/222â(4/1%) patients had postoperative infection - 5/123 (4.1%) with fever ≥38°C and 4/70 (5.7%) with fever ≥38.5°C. Rates of infection in patients with and without fevers were not significantly different (Pâ=â.97 for T ≥38°C and Pâ=â.38, for T ≥38.5°C).Though common, postoperative fever does not increase risk of infection. The low prevalence of positive cultures indicates routine fever workups can safely be avoided in most patients.Level of Evidence: III, retrospective comparative study.