Patient and graft survival rates of pediatric renal transplant recipients are currently excellent, but there are few reports regarding the long-term neurodevelopmental outcome after renal transplantation (Tx) in early childhood. Children with renal failure from infancy would be expected to have a less favorable developmental prognosis. We report the neurodevelopmental outcome in 33 school-age children transplanted between 1987 and 1995 when < 5 yr of age. We prospectively performed a neurological examination, magnetic resonance imaging (MRI) of the brain, electroencephalograms (EEGs), audiometry, and neuropsychological tests (NEPSY), and measured cognitive performance (WISC-R); we related these results to school performance and to retrospective risk factors prior to Tx. Twenty-six (79%) children attended normal school and 76% had normal motor performance. Six of the seven children attending a special school had brain infarcts on MRI. The EEG was abnormal in 11 (35%), and five (15%) received anti-convulsive treatment after Tx. Sensorineural hearing loss was documented in six patients. The mean intelligence quotient (IQ) was 87, and 6-24% showed impairment in neuropsychological tests. The children attending a special school had been more premature, but had not had a greater number of pre- or neonatal complications. They had experienced a greater number of hypertensive crises (p = 0.002) and seizures (p = 0.03), mainly during dialysis, but the number of septic infections and the mean serum aluminum levels were not significantly greater than in the children with normal school performance. In these previously lethal diseases, the overall neurodevelopmental outcome is reassuring. However, it is of crucial importance to further minimize the risk factors prior to Tx.
Circulating anti-nephrin antibodies seem to have a pathogenic role in the development of heavy proteinuria in kidney grafts of NPHS1 patients with Fin-major/Fin-major genotype.
Psychosocial adjustment and quality of life has been reported good in children after a successful renal transplantation (Tx). There are, however, few reports of using standardized methods in evaluating these issues, particularly in small children. We investigated the psychosocial adjustment in 32 children at school age (mean 9.6 +/- 1.6), who had received a renal Tx under the age of 5 yr, using the Achenbach Child Behavior Checklist with data collected from both parents (CBCL) and teachers (CBCL-TRF). Health-related quality of life (HRQOL) was assessed by interviewing the children using a 17-dimensional (17D) health-related measure and compared to HRQOL of 244 normal school children. The effect of additional diseases and comorbidity on psychosocial adjustment and HRQOL was assessed. The total scores on the CBCL did not differ from normative samples of healthy children. However, somatic complaints and social problems were reported more frequently in boys, and attention problems in both boys and girls. Patients with pathological scores had significantly more comorbidity (p = 0.03) and were more often attending a special school (p = 0.007) than patients with normal scores. The global 17D HRQOL index was significantly lower than measured in healthy controls (94 +/- 5 for controls and 85 +/- 7 for patients, p < 0.0001). It is of crucial importance to further minimize the risk factors leading to comorbidity in children after Tx. HRQOL assessment by the children themselves can be used to direct interventions and support the children's psychosocial adjustment.
KTx children exhibit a pattern of effects in their cognitive outcome in which both the visuospatial and language domains are affected, but visual memory and simple auditory attention remain intact. Patients without neurological co-morbidity exhibit impairment in receptive language, visuospatial functions and in recognizing emotional states.
The long-term impact of pediatric liver transplantation (LT) and its complications on general health, healthrelated quality of life (HRQoL) and sexual health were assessed. We conducted a national cross-sectional study of all pediatric recipients who underwent LT between 1987 and 2007. Of 66 survivors, 57 participants (86%) were compared to randomly chosen healthy controls (n = 141) at 10.7 ± 6.6 years posttransplant. PedsQL4.0, SF-36, DISF-SR and AUDIT questionnaires for appropriate age groups were used. Patients and controls <7 years had similar HRQoL and 54% of patients aged over 7 scored within the controls' normal range on all HRQoL domains. In adult survivors, physical functioning and general health were decreased (p < 0.05). Biliary complications, reoperations and obesity were independently associated with reduced HRQoL (p < 0.05 for all). Still 64% of adult survivors considered their health excellent. Sexual health was similar to controls but LT recipients may experience problems with their orgasm strength (p = 0.050) and condombased contraception was more common after LT than among controls (58% and 12%, p < 0.001). In conclusion, normal HRQoL and sexual health are achievable post-LT.
Few studies compare HRQOL and PSA in children who have undergone different types of solid organ Tx. In this cross-sectional study, HRQOL and PSA were assessed in 74 Tx patients (16 heart, 44 kidney, 14 liver) at a mean age of 11.5 (range 6.3-16.7), 7.2 yr post-Tx (range 1.0-15.0). HRQOL was self-assessed using standardized health utility questionnaires (15D-17D). The patients' PSA was evaluated using the Child Behavior Checklist for parents, Youth Self-Report for patients aged 11-16 yr, and Teacher Report Form. Outcomes did not differ significantly between Tx groups. Preadolescents (8-11 yr) reported poorer HRQOL compared with same-age peers (p = 0.020). In contrast, adolescents reported similar HRQOL and PSA compared to the general population. Proxy-reports revealed more PSA problems compared with age expectations (p < 0.01), mainly in internalizing behavior (p < 0.01). Lower HRQOL was associated with shorter follow-up time since Tx, congenital disease, and a psychiatric or neurological diagnosis. PSA problems were associated with family-related variables, neurological diagnosis, shorter follow-up time, and in teacher-reports longer disease duration before Tx. Different pediatric Tx groups have similar outcome. Neurological comorbidity and shorter follow-up time are important risk factors, but the impact of family-related variables on PSA indicate the need of family interventions.
A minority of children with liver transplants exhibit significant delay in global intelligence; others have specific learning disabilities. More specific data on neurocognitive strengths and weaknesses are lacking. Eighteen children aged 7-16 yr, who had undergone LTx in Finland participated in the study. They were assessed on an average 7.6 (s.d. 4.5, range 1.0-15.0) years post-operatively at a mean age of 11.8 (s.d. 3.1, range 7.2-16.1). A standardized test of intelligence (WISC-III), a neuropsychological test battery (NEPSY-II), and a parental questionnaire on the child's development (FTF) were administered. The neuropsychological test profile of the LTx group was compared with that of a matched control group of healthy children. The LTx children achieved on an average normal FSIQ 94.0 and VIQ 99.6. Their Performance Intelligence Quotient (PIQ 88.9, p=0.043) was, however, significantly lower than the population mean. On neuropsychological assessment, the LTx children scored generally lower than the control group (p=0.004), a difference significant in sub-tests assessing visuospatial and visuoconstructive functions and social perception. No differences emerged in sub-tests of attention and executive functions, memory and learning, or language functions. LTx children are at increased risk for impairment in the visuospatial domain.
Excellent long-term graft survival and good graft function can be achieved with triple immunosuppression, even in young CAD kidney recipients.
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