Objective: To estimate the incremental effects on cost and quality of life of cardiac rehabilitation after an acute coronary syndrome. Design: Open randomised controlled trial with 1 year's follow‐up. Analysis was on an intention‐to‐treat basis. Setting: Two tertiary hospitals in Sydney. Intervention: 18 sessions of comprehensive exercise‐based outpatient cardiac rehabilitation or conventional care as provided by the treating doctor. Participants: 113 patients aged 41–75 years who were self‐caring and literate in English. Patients with uncompensated heart failure, uncontrolled arrhythmias, severe and symptomatic aortic stenosis or physical impairment were excluded. Main outcome measures: Costs (hospitalisations, medication use, outpatient visits, investigations, and personal expenses); and measures of quality of life. Incremental cost per quality‐adjusted life year (QALY) saved at 1 year (this estimate combines within‐study utility effects with reported 1‐year risk of survival and treatment effects of rehabilitation on mortality). Sensitivity analyses around a base case estimate included alternative assumptions of no treatment effect on survival, 3 years of treatment effect on survival and variations in utility. Results: The estimated incremental cost per QALY saved for rehabilitation relative to standard care was $42 535 when modelling included the reported treatment effect on survival. This increased to $70 580 per QALY saved if treatment effect on survival was not included. The results were sensitive to variations in utility and ranged from $19 685 per QALY saved to rehabilitation not being cost‐effective. Conclusions: The effects on quality of life tend to reinforce treatment advantages on survival for patients having postdischarge rehabilitation after an acute coronary syndrome. The estimated base case incremental cost per QALY saved is consistent with those historically accepted by decision making authorities such as the Pharmaceutical Benefits Advisory Committee.
Study Design. Cross-sectional survey. Objective. To determine the prevalence of back pain in American children and adolescents, with a focus on anatomic region, duration, severity, and treatment patterns, and to investigate for any predictive variables. Summary of Background Data. No study has examined the prevalence of back pain in American children and adolescents in the last 15 years. Because the prevalence of back pain varies greatly by country and year of investigation, previous studies are not generalizable. Methods. A United States epidemiologic cross-sectional survey-based investigation was performed in children and adolescents ages 10 and 18 years old, equally split by age and sex, and representing census-weighted distributions of state of residence, race/ethnicity, and health insurance status. Prevalence of back pain was evaluated and described. Results. In total, 1236 (33.7%) participants reported experiencing back pain within the last year and 325 (8.9%) reported severe back pain within the last year. Prevalence of back pain increased with age and was significantly more common in females, P < 0.001 for both. Treatment for back pain was sought by 505 (40.9%) of the participants with pain, of which physical therapy was the most common. Invasive procedural treatment (e.g., injections, surgery) were rare and comprised only 61 (1.6%) of study participants. In addition, government insurance and lack of insurance coverage was associated with low treatment seeking behavior compared to private insurance users (P = 0.010 and P = 0.006, respectively). Conclusion. Despite how commonly it presents, the majority of young patients with back pain do not report procedural treatment such as injections or surgery. However, because many American children and adolescents seek treatment, future research on the etiology, treatment, and prevention of back pain in children and adolescents is essential to reducing a common and financially demanding problem. Level of Evidence: 4
Study Design. Comparative cohort study. Objective. To compare patient reported outcome measures (PROMs) in children and adolescents with varying extent of spinal deformity. Summary of Background Data. Several PROMs have been proposed to help assess health-related quality-of-life (HRQoL) in pediatric spinal deformity surgery and research, but it is unclear which are sensitive to deformity severity. Methods. Pediatric patients diagnosed with spinal asymmetry or juvenile/adolescent idiopathic scoliosis completed the patient-reported outcomes management information system (PROMIS) pediatric computer adaptive test bank (Domains: Mobility, Pain Interference, Physical Activity, Physical Stress Experiences, Psychological Stress Experiences), Scoliosis Research Society-22r (SRS-22r), Hospital for Special Surgery Pediatric Functional Activity Brief Scale (HSS Pedi-FABS) activity scale, and Trunk Appearance Perception Scale. Patients were grouped as spinal asymmetry, mild deformity, and substantial deformity by major Cobb angle measuring less than 10°, between 10° and 40°, and greater than 40° respectively. One-way analysis of variance with a Tukey post-hoc correction was used to determine score differences between groups. Results. Final analyses included 206 patients, of which 135 (66%) were female. The mean age was 13.0 ± 2.2 years, and the mean major Cobb angle was 20.1 ± 14.1° (range: 0–74.2°). Compared with both spinal asymmetry and mild deformity patients, patients with substantial deformity reported worse outcomes, including lower function, more pain, and decreased psychological health by legacy PROMs and PROMIS. PROMIS Physical Activity and Psychological Stress Experiences did not capture any significant differences between all groups. There were no significant differences in outcomes between the spinal asymmetry and mild deformity groups for all PROMs measured. Conclusion. Patients with substantial spinal deformity reported lower activity and function, more pain, and greater physical and psychological stress compared with patients without clinical spinal deformity by legacy PROMs and several PROMIS domains. As PROMIS Physical Activity and Psychological Stress Experiences did not capture these differences, these PROMs may measure different constructs than the legacy PROMs as they relate to spinal curvature and may be less relevant to measure HRQoL in this population. Level of Evidence 3
Purpose of review The purpose of this review is to discuss the epidemiology, pathoanatomy, diagnosis, and treatment for lateral ankle instability in pediatric patients. Recent findings Chronic ankle instability is a common sequela of lateral ankle sprain in young athletes. Incidence is increasing, possibly due in part to inadequate treatment of first-time ankle sprains, as well as increased youth participation in organized and competitive sports. The anterior talofibular ligament (ATFL) is injured in every case, whereas the calcaneofibular ligament (CFL) and syndesmosis may be involved in severe cases. A clinical history, focused physical exam, and appropriate radiographic studies aid in diagnosis, and predisposing factors must be identified. Early treatment of ankle sprains involves bracing or immobilization, followed by a course of physical therapy. Surgery involves anatomic repair of the torn ligaments, and may be required in cases of severe functional and mechanical instability with recurrent sprains refractory to nonsurgical management. Intraarticular disorders should be identified and may be addressed with ankle arthroscopy. Summary Prompt treatment of lateral ankle instability in young athletes is important to prevent chronic ankle instability. Many patients are successfully treated without surgery, and those requiring operative intervention improve function postoperatively.
Background: Surgical navigation improves pedicle screw insertion accuracy and reliability. Robotic-assisted spinal surgery and screw placement has not been fully assessed in pediatric patients with spine deformity undergoing posterior spinal fusion. The purpose of this study was to describe the learning curve for robotically assisted pedicle screw placement in pediatric patients. Methods: A retrospective review on a consecutive series of the first 19 pediatric patients who underwent posterior spinal fusion by a single surgeon using robotic navigation was performed. Demographics, curve parameters, pedicle diameter, vertebral rotation, and additional outcome measures were recorded. Screw position was assessed with calibrated intraoperative 3-dimensional fluoroscopic images. All complications of planned and placed robotically placed screws were recorded. Results: A total of 194 left-sided screws were planned as robotassisted. One hundred sixty-eight of the robotically planned screws (86.6%) were placed with robot assistance; 29 robotically planned screws (15.0%) were abandoned or converted to freehand. The mean time per robotically placed screw was 3.6 ± 2.4 minutes. Fifteen breaches (8.9%) and 1 anterior perforation occurred with 2 critical ( > 2 to 4 mm) breaches, 1 was associated with a durotomy, and both occurred in the first case.There were no intraoperative/postoperative neuromonitoring changes and no sequela from the durotomy. Six breaches occurred in the first case. The odds ratio of obtaining a breach in screws with a matched trajectory was 0.275 (95% confidence interval: 0.089-0.848). Conclusions: Screw time and accuracy improved and the number of breaches decreased after 10 cases. This series had 2 critical breaches (between 2 and 4 mm) on the first case. Overall, excluding the 2 critical breaches, 98.8% of robotically executed screws were placed without a critical breach, which is comparable to previous pediatric deformity studies. Caution should be exercised during the initial training period to avoid complications as experience and training lead to an improved understanding of surgical planning, skive, and soft-tissue pressure on the end-effector all of which can impact accuracy of robotically assisted pedicle screw placement. Level of Evidence: Case Series, IV.
Background: Pre- and postoperative standing hip-to-ankle radiographs are critical for monitoring potential postoperative growth arrest and resultant deformities after pediatric anterior cruciate ligament (ACL) reconstruction. Purpose: To determine the prevalence of apparent preoperative leg-length discrepancies (LLDs) that resolve at the first postoperative radiographic examination in patients undergoing ACL reconstruction in order to understand what proportion of the noted preoperative deformities may have been inaccurate. Study Design: Case series; Level of evidence, 4. Methods: A retrospective review of prospectively collected preoperative and first postoperative full-length hip-to-ankle radiographs was performed in a cohort of skeletally immature patients who had an acute ACL injury and underwent subsequent surgical reconstruction. Leg length measurements for both the injured and the uninjured legs were obtained for comparison. Results: A total of 112 patients (mean age, 12.7 ± 1.7 years) were included (79 boys and 33 girls). Leg-length measurement interrater reliability among 3 raters for 25 randomly chosen images was nearly perfect (intraclass correlation coefficient, 0.996; 95% CI, 0.994-0.998). At baseline, there was no apparent preoperative LLD (<5 mm) in 48% (n = 54) of participants, while 37% (n = 41) displayed a small apparent LLD (5 to <10 mm), 12% (n = 13) displayed a moderate apparent LLD (10 to <15 mm), and 4% (n = 4) displayed a large apparent LLD (≥15 mm). Of the patients with an apparent preoperative LLD, 66% (n = 38) of them tore their ACL on the leg measuring shorter. At first postoperative radiographs, 48% (n = 28) of patients with an apparent preoperative LLD showed resolution to no LLD: 46% (n = 19) of patients with a small apparent preoperative LLD, 54% (n = 7) of patients with a moderate apparent LLD, and 50% (n = 2) of patients with a large apparent LLD. Conclusion: A high percentage of patients (48%) with apparent preoperative LLDs showed resolution to no LLDs by their first postoperative imaging, indicating that preoperative hip-to-ankle radiographs display some false LLDs in patients with recent ACL tears who are unable to fully extend their injured leg and bear weight.
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