Fractures in children younger than 18 months

Maternal Smoking During Pregnancy and Offspring's Risk for Bone Fracture in Childhood and Adolescence

Conditions during gestation, such as maternal smoking, may affect offspring's bone structure. This could increase the offspring's risk of bone fractures during childhood. In this study, we aimed to assess the association between prenatal exposure to maternal smoking and childhood bone fracture risk. We used a register-based birth cohort that included all children born in Finland between January 1987 and September 1990. After exclusions, the final study population consisted of 220,699 persons. Using a unique national identification number, we linked the cohort data to the fracture diagnosis in specialty care and covariate data using the Medical Birth Register (MBR), Statistics Finland and Care Register for Health Care (CRHC). The fractures were analyzed in three groups: all fractures, non-high-energy fractures, and high-energy fractures. The analyses were adjusted for sex, parity, child's year of birth, mother's age at childbirth, mother's and father's educational level, and mother's fracture status. We tested the association in three age groups: <1 year, 1-<5 years, and 5-<15 years using Cox and (recurrent fractures) Poisson regression. A total of 18,857 (8.5%) persons had at least one bone fracture diagnosis before the age of 15 years. In the age group 5-<15 years, maternal smoking during pregnancy was associated with higher fracture risk in all of the studied fracture groups: hazard ratio (HR) = 1.12 (95% confidence interval [CI] 1.06-1.17) in all fractures, 1.13 (95% CI 1.07-1.19) in non-high-energy, and 1.15 (95% CI 1.00-1.32) in high-energy fractures. There were no significant associations in other age groups in any of the fracture groups. No statistically significant association between maternal smoking during pregnancy and offspring's risk of recurrent fractures was found. In conclusion, 5- to 15-year-olds whose mothers have smoked during pregnancy have an increased risk of bone fractures treated in specialty care. © 2023 The Authors. Journal of Bone and Mineral Research published by Wiley Periodicals LLC on behalf of American Society for Bone and Mineral Research (ASBMR).

Skeletal Outcomes in Children and Young Adults with Glomerular Disease

BACKGROUND

Children with glomerular disease have unique risk factors for compromised bone health. Studies addressing skeletal complications in this population are lacking.

METHODS

This retrospective cohort study utilized data from PEDSnet, a national network of pediatric health systems with standardized electronic health record data for more than 6.5 million patients from 2009 to 2021. Incidence rates (per 10,000 person-years) of fracture, slipped capital femoral epiphysis (SCFE), and avascular necrosis/osteonecrosis (AVN) in 4598 children and young adults with glomerular disease were compared with those among 553,624 general pediatric patients using Poisson regression analysis. The glomerular disease cohort was identified using a published computable phenotype. Inclusion criteria for the general pediatric cohort were two or more primary care visits 1 year or more apart between 1 and 21 years of age, one visit or more every 18 months if followed >3 years, and no chronic progressive conditions defined by the Pediatric Medical Complexity Algorithm. Fracture, SCFE, and AVN were identified using SNOMED-CT diagnosis codes; fracture required an associated x-ray or splinting/casting procedure within 48 hours.

RESULTS

We found a higher risk of fracture for the glomerular disease cohort compared with the general pediatric cohort in girls only (incidence rate ratio [IRR], 1.6; 95% CI, 1.3 to 1.9). Hip/femur and vertebral fracture risk were increased in the glomerular disease cohort: adjusted IRR was 2.2 (95% CI, 1.3 to 3.7) and 5 (95% CI, 3.2 to 7.6), respectively. For SCFE, the adjusted IRR was 3.4 (95% CI, 1.9 to 5.9). For AVN, the adjusted IRR was 56.2 (95% CI, 40.7 to 77.5).

CONCLUSIONS

Children and young adults with glomerular disease have significantly higher burden of skeletal complications than the general pediatric population.

Child abuse syndrome - a forensic case of fatal impulsive act of violence

Child abuse syndrome is a medico-social problem widely spread around the world, which includes a complex of clinically manifested forms of violence against children. This syndrome includes different forms of physical violence, sexual violence, neglect, and emotional violence against children. The main problem with this type of violence continues to be the large number of unregistered "hidden" cases. The consequences of violence against children are serious and have a lasting negative effect on the physical and mental health of the victims. Child abuse is often a result of impulsive violent behavior with minimal provocation and may have a fatal outcome.

A Rare Presentation of an Isolated Radius Shaft Fracture in a Two-Month-Old Child: Dilemmas and Management

In this report, we discuss the case of a two-month-old boy with an isolated radius shaft fracture in the right forearm. The history and nature of the injury may be inconclusive in such injuries. A radiograph confirmed that the child had a fracture. We treated the boy conservatively, and the fracture united well in four weeks. Surgeons should be aware of this rare presentation in infants of this age. Inquiry into possible child abuse as well as clinical and metabolic workup is essential in these cases.

The feature assessment of the bone fractures in 1020 children and review of the literature

OBJECTIVE:

This study aims to collect data, which is a risk factor on bone fractures in children.

METHODS:

The study group consisted of 1020 children (n=282; 28% girls and n=738; 72% boys, with a mean age of 8.3 years) with a bone fracture. The age, gender, the month and the time of the day the fracture was sustained, mechanism of injury, feature of the fracture, the presence of coexisting injuries, and the method of treatment were recorded.

RESULTS:

Boys had approximately three times more fractures than girls. The fractures were found to be more prevalent in upper extremities (76.6%) and on its left side (56.0%), and the most commonly fractured bone was isolated radius (n=304; 32.1%); most frequently distal radius). The most prevalent lower-extremity fractures were to the femur (n=92; 31.7%). It was found that fractures occurred most frequently between the ages 3 and 6 (23.6%), and fractures in boys were most common among 13 to 15-year-old patients (n=216; 23.9%), whereas girls aged 3–6 years suffered the most fractures (n=103; 30.8%). The fractures were more common in spring (n=384; 31.0%) and summer (n=365; 29.5%). The time slot bone fractures occurred the most was from 12:00 pm to 5:00 pm (n=824; 66.6%). The most common reasons for fractures were outdoor falls (n=705; 57.0%), and indoor falls (n=239; 19.3%), respectively. Bone fractures co-occurred with head trauma the most (n=30; 42.3%). Fifty-nine patients (5.8%) had epiphysis fracture. 51 patients (5.0%) had open fractures. Five hundred ninety-two patients (58.0%) were given outpatient treatment.

CONCLUSION:

Child bone fractures are most frequently seen in the left upper extremity in 10–15-year-old boys, occurring as a result of outdoor falls in the afternoon in the spring and summer months. Bones located in the wrist, hand, and elbow have been found to be much more vulnerable to fractures. Many of the fractures were treated by conservative methods. Creating a safe environment for children is the most effective method of injury control. Necessary arrangements should be made for the safety of children in the environment and at home. Continuing education and legal regulations play an active role in injury control.

Do bone mineral content and density determine fracture in children? A possible threshold for physical activity

BackgroundRelations between bone parameters, physical exertion, and childhood fractures are complex. We aimed to estimate the associations between fracture history and bone mineral content (BMC) and areal bone mineral density (aBMD) at 7 years of age, by levels of physical activity, as a proxy for trauma frequency.MethodsWe used data collected from 2,261 children of the Generation XXI birth cohort, assembled in 2005/6 in Porto, Portugal. At the age of 7 years (2012/4), fracture history, time spent per week in active play, and sports practice were reported by parents. Subtotal and lumbar spine (LS) BMC and aBMD were measured using whole-body dual-energy X-ray absorptiometry.ResultsBoys and girls in the highest categories of time spent in sports practice or active play generally had higher BMC and aBMD. Among girls, BMC and aBMD were protective of fracture only in the highest quarter of active play (>660 min/week)-odds ratios (OR; 95% confidence interval (95% CI)) for subtotal BMC=0.27 (0.11-0.67), subtotal aBMD=0.18 (0.06-0.49), and LS aBMD=0.41 (0.22-0.75). For boys in the highest quarter of sports practice (>240 min/week), subtotal and LS BMC were protective of fracture-OR=0.39 (0.16-0.98) and 0.51 (0.27-0.96), respectively.ConclusionIn prepubertal children, BMC and aBMD predicted fracture history only in the highest levels of physical activity.

Cohort study shows that peripheral dual-energy X-ray absorptiometry is of limited epidemiologic use in prepubertal children

AIM

Peripheral methods are increasingly used to assess bone health, despite little evidence on their predictive ability. We aimed to evaluate the usefulness of forearm dual-energy X-ray absorptiometry in prepubertal children, by estimating the agreement between peripheral and central measures and the ability to predict fracture history.

METHODS

In 2012/2014, we assessed 1177 seven-year-old children from the Generation XXI cohort who were recruited at birth in all five public hospitals with maternity wards in Porto, Portugal. Subtotal and lumbar spine bone mineral density (BMD) and content, left-arm BMD and peripheral forearm BMD were measured. Parents reported the child's lifetime fracture history. We estimated agreement using Bland-Altman's method and Cohen's kappa. Fracture prediction ability was calculated using area under the receiver operator characteristic curve (ROC-AUC).

RESULTS

The limits of agreement were very wide, ranging from -2.20/2.20 to -1.87/1.87 standard deviations for the comparison between peripheral and central measures. Categorical agreement was also poor, with all kappa values below 0.40. In addition, none of the measures predicted fractures, because all the ROC-AUCs were close to 0.50.

CONCLUSION

This study suggests that forearm BMD has limited use for bone health research or as a basis for clinical decisions in prepubertal children.