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At least 1,171 records · Page 65Linked to original sources
PubMed2001

Delayed diagnosis of pediatric Langerhans' cell histiocytosis: case report and retrospective review of pediatric cases seen at Mayo Clinic.

Langerhans' cell histiocytosis is a disease of the dendritic histiocytes with a wide variety of clinical manifestations. This report describes a boy with Langerhans' cell histiocytosis who presented with primarily neurologic and endocrinologic findings, without pain. The diagnosis of Langerhans' cell histiocytosis was not made until 10 years after symptom onset. The pathology database at Mayo Clinic was searched for cases of Langerhans' cell histiocytosis between 1985 and 1999 under 19 years of age (65 children), and information regarding clinical presentation was abstracted. Database review found a range of 1 day to 156 weeks (mean 13.8 weeks) from symptom onset to diagnosis. No other patients with primarily neurologic symptoms were found. The diagnosis of Langerhans' cell histiocytosis was made significantly sooner after onset if pain was present (chi-square = 19.1, P < .001, two-tailed, phi coefficient 0.54). Our findings indicate that neurologic manifestations of Langerhans' cell histiocytosis are rare, and the combination of diabetes insipidus, ataxia, skin rash, or osseous pain should alert the clinician to the possibility of Langerhans' cell histiocytosis and avoid delayed diagnosis.

Adolescent↗
PubMed2000

Randomized comparison of cisplatin/vincristine/fluorouracil and cisplatin/continuous infusion doxorubicin for treatment of pediatric hepatoblastoma: A report from the Children's Cancer Group and the Pediatric Oncology Group.

PURPOSE: Previous studies demonstrated that chemotherapy with either cisplatin, vincristine, and fluorouracil (regimen A) or cisplatin and continuous infusion doxorubicin (regimen B) improved survival in children with hepatoblastoma. The current trial is a randomized comparison of these two regimens. PATIENTS AND METHODS: Patients (N = 182) were enrolled onto study between August 1989 and December 1992. After initial surgery, patients with stage I-unfavorable histology (UH; n = 43), stage II (n = 7), stage III (n = 83), and stage IV (n = 40) hepatoblastoma were randomized to receive regimen A (n = 92) or regimen B (n = 81). Patients with stage I-favorable histology (FH; n = 9) were treated with four cycles of doxorubicin alone. RESULTS: There were no events among patients with stage I-FH disease. Five-year event-free survival (EFS) estimates were 57% (SD = 5%) and 69% (SD = 5%) for patients on regimens A and B, respectively (P =.09) with a relative risk of 1.54 (95% confidence interval, 0.93 to 2.5) for regimen A versus B. Toxicities were more frequent on regimen B. Patients with stage I-UH, stage II, stage III, or stage IV disease had 5-year EFS estimates of 91% (SD = 4%), 100%, 64% (SD = 5%), and 25% (SD = 7%), respectively. Outcome was similar for either regimen within disease stages. At postinduction surgery I, patients with stage III or IV disease who were found to be tumor-free had no events; those who had complete resections achieved a 5-year EFS of 83% (SD = 6%); other patients with stage III or IV disease had worse outcome. CONCLUSION: Treatment outcome was not significantly different between regimen A and regimen B. Excellent outcome was achieved for patients with stage I-UH and stage II hepatoblastoma and for subsets of patients with stage III disease. New treatment strategies are needed for the majority of patients with advanced-stage hepatoblastoma.

Antibiotics, Antineoplastic↗
PubMed2006

Variable deficits of bone mineral despite chronic glucocorticoid therapy in pediatric patients with inflammatory diseases: a Glaser Pediatric Research Network study.

OBJECTIVE: To evaluate the relationship between chronic glucocorticoid (GC) exposure and bone mineral density (BMD) in children with rheumatic diseases and inflammatory bowel disease. STUDY DESIGN: Lumbar spine BMD was measured by DXA in 86 GC-treated children (66% female, age 8-20 years, mixed ethnicity) screened for a multi-center intervention trial. Predictors of spine BMD z-score and vitamin D [25(OH)D] were examined by multivariable linear regression. RESULTS: Mean prior year and lifetime cumulative GC exposure was 77.8 mg/kg and 224.6 mg/kg, respectively. BMD z-scores ranged from -3.7 to 2.2 SD (-1.1 +/- 1.2, mean +/- SD). Lower BMD z-scores were associated with increased prior year average daily GC dose (p = 0.03), decreased height z-score (p = 0.003), and decreased 25(OH)D concentrations (p = 0.03), but explained only a small proportion of BMD variability (adjusted R2 = 0.29). The 25(OH)D levels were <20 ng/ml in 45% of patients, and low 25(OH)D was associated with non-Caucasian ethnicity (p <0.001), increased age (p = 0.004), increased parathyroid hormone (p = 0.03), and residing in the Boston area (p <0.001). CONCLUSIONS: Although GC exposure is significantly associated with BMD z-score, the association is too variable to serve as a consistent predictor of reduced BMD in children. Vitamin D insufficiency is common and may contribute to skeletal deficits in this population.

Adolescent↗
PubMed1999

Disclosure of illness status to children and adolescents with HIV infection. American Academy of Pediatrics Committee on Pediatrics AIDS.

Many children with human immunodeficiency virus (HIV) infection and acquired immunodeficiency syndrome are surviving to middle childhood and adolescence. Studies suggest that children who know their HIV status have higher self-esteem than children who are unaware of their status. Parents who have disclosed the status to their children experience less depression than those who do not. This statement addresses our current knowledge and recommendations for disclosure of HIV infection status to children and adolescents.

Adolescent↗
PubMed1999

Emergency preparedness for children with special health care needs. Committee on Pediatric Emergency Medicine. American Academy of Pediatrics.

Children with special health care needs are those who have, or are at risk for, chronic physical, developmental, behavioral, or emotional conditions and who also require health and related services of a type or amount not usually required by typically developing children. Formulation of an emergency care plan has been advocated by the Emergency Medical Services for Children (EMSC) program through its Children With Special Heath Care Needs Task Force. Essential components of a program of providing care plans include use of a standardized form, a method of identifying at-risk children, completion of a data set by the child's physicians and other health care professionals, education of families, other caregivers, and health care professionals in use of the emergency plan, regular updates of the information, 24-hour access to the information by authorized emergency health care professionals, and maintenance of patient confidentiality.

Child↗
PubMed2000

Alterations in cardiac and pulmonary function in pediatric rapid human immunodeficiency virus type 1 disease progressors. Pediatric Pulmonary and Cardiovascular Complications of Vertically Transmitted Human Immunodeficiency Virus Study Group.

OBJECTIVE: Infants with human immunodeficiency virus type 1 (HIV-1) can be divided into rapid progressors (RPs) and non-rapid progressors (non-RPs) based on symptoms and immunologic status, but detailed information about cardiac and pulmonary function in RP and non-RP children needs to be adequately described. METHODOLOGY: Cardiac, pulmonary, and immunologic data and HIV-1 RNA burden were periodically measured in 3 groups: group I, 205 vertically infected children enrolled from 1990 to 1994 and followed through 1996; group II, a prospectively studied cohort enrolled at birth that included 93 infected (group IIa); and 463 noninfected infants (group IIb). RESULTS: Mean respiratory rates were generally higher in group IIa RP than non-RP children throughout the period of follow-up, achieving statistical signifance at 1 month, 12 months, 24 months, 30 months, and 48 months of follow-up. Non-RP and group IIb (HIV-uninfected children) had similar mean respiratory rates from birth to 5 years of age. Significant differences in mean respiratory rates were found between group I RP and non-RP at 7 age intervals over the first 6 years of life. Mean respiratory rates were higher in RP than in non-RP at <1 year, 2.0 years, 2.5 years, 3.0 years, 3. 5 years, 4.0 years, and 6.0 years of age. Mean heart rates in group IIa RP, non-RP, and group IIb differed at every age. Rapid progressors had higher mean heart rates than non-RP at all ages through 24 months. Mean heart rates at 30 months through 60 months of age were similar for RP and non-RP children. Non-RP children had higher mean heart rates than did group IIb at 8 months, 24 months, 36 months, 42 months, 48 months, 54 months, and 60 months of age. In group I, RP had higher mean heart rates than non-RP at 2.0 years, 2.5 years, 3.0 years, and 4.0 years of age. After 4 years of age, the non-RP and RP had similar mean heart rates. Mean fractional shortening differed between the 3 group II subsets (RP, non-RP, and IIb) at 4, 8, 12, 16, and 20 months of age. Although mean fractional shortening was lower in RP than in non-RP in group II at all time points between 1 and 20 months, the mean fractional shortening was significantly lower in RP only at 8 months when restricting the statistical comparisons to the 2 HIV-infected groups (RP and non-RP). Mean fractional shortening increased in the first 8 months of life followed by a gradual decline through 5 years of age among group IIb children. No significant differences among the 3 groups in mean fractional shortening were detected after 20 months of age. In group I, differences between RP and non-RP in mean fractional shortening were detected at 1.5, 2.0, 2.5, and 3.0 years of age. After 3 years of age, group means for fractional shortening in RP and non-RP did not differ. Because of the limited data from the first months of the group I patients, it could not be determined whether this group experienced the gradual early rise in mean fractional shortening seen in the group II infants. In group IIa, RP had more clinical (eg, oxygen saturation <96%) and chest radiographic abnormalities (eg, cardiomegaly) at 18 months of life. RP also had significantly higher 5-year cumulative mortality than non-RP, higher HIV-1 viral burdens than non-RP, and lower CD8(+) T-cell counts. CONCLUSIONS: Rapid disease progression in HIV-1- infected infants is associated with significant alterations in heart and lung function: increased respiratory rate, increased heart rate, and decreased fractional shortening. The same children exhibited the anticipated significantly increased 5-year cumulative mortality, increased serum HIV-1 RNA load, and decreased CD8(+) (cytotoxic) T-cell counts. Measurements of cardiopulmonary function in HIV-1-infected children seem to be useful in the total assessment of HIV-1 disease progression.

CD8-Positive T-Lymphocytes↗
PubMed2000

Identification and care of HIV-exposed and HIV-infected infants, children, and adolescents in foster care. American Academy of Pediatrics. Committee on Pediatric AIDS.

As a consequence of the expanding human immunodeficiency virus (HIV) epidemic and major advances in medical management of HIV-exposed and HIV-infected persons, revised recommendations are provided for HIV testing of infants, children, and adolescents in foster care. Updated recommendations also are provided for the care of HIV-exposed and HIV-infected persons who are in foster care.

Adolescent↗
PubMed2001

American Academy of Pediatrics: The use and misuse of fruit juice in pediatrics.

Historically, fruit juice was recommended by pediatricians as a source of vitamin C and an extra source of water for healthy infants and young children as their diets expanded to include solid foods with higher renal solute. Fruit juice is marketed as a healthy, natural source of vitamins and, in some instances, calcium. Because juice tastes good, children readily accept it. Although juice consumption has some benefits, it also has potential detrimental effects. Pediatricians need to be knowledgeable about juice to inform parents and patients on its appropriate uses.

Adolescent↗