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1.
Front Pediatr ; 12: 1392873, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38756974

RESUMO

Background: Pretransplant vaccination is generally recommended to solid organ transplant recipients. In infants with congenital nephrotic syndrome (CNS), the immune response is hypothetically inferior to other patients due to young age and urinary loss of immunoglobulins, but data on the immunization response in severely nephrotic children remain scarce. If effective, however, early immunization of infants with CNS would clinically be advantageous. Methods: We investigated serological vaccine responses in seven children with CNS who were immunized during nephrosis. Antibody responses to measles-mumps-rubella -vaccine (MMR), a pentavalent DTaP-IPV-Hib -vaccine (diphtheria, tetanus, acellular pertussis, inactivated poliovirus, Haemophilus influenzae type b), varicella vaccine, combined hepatitis A and B vaccine, and pneumococcal conjugate vaccine (PCV) were measured after nephrectomy either before or after kidney transplantation. Results: Immunizations were started at a median age of 7 months [interquartile range (IQR) 7-8], with a concurrent median proteinuria of 36,500 mg/L (IQR 30,900-64,250). Bilateral nephrectomy was performed at a median age of 20 months (IQR 14-25), and kidney transplantation 10-88 days after the nephrectomy. Antibody levels were measured at median 18 months (IQR 6-23) after immunization. Protective antibody levels were detected in all examined children for hepatitis B (5/5), Clostridium tetani (7/7), rubella virus (2/2), and mumps virus (1/1); in 5/6 children for varicella; in 4/6 for poliovirus and vaccine-type pneumococcal serotypes; in 4/7 for Haemophilus influenzae type B and Corynebacterium diphtheriae; in 1/2 for measles virus; and in 2/5 for hepatitis A. None of the seven children had protective IgG levels against Bordetella pertussis. Conclusion: Immunization during severe congenital proteinuria resulted in variable serological responses, with both vaccine- and patient-related differences. Nephrosis appears not to be a barrier to successful immunization.

2.
Acta Paediatr ; 2024 May 24.
Artigo em Inglês | MEDLINE | ID: mdl-38785367

RESUMO

AIM: Bilateral nephrectomy is commonly performed in patients with congenital nephrotic syndrome of the Finnish type. The optimal timing of nephrectomy is unclear. METHODS: Growth, thromboembolic events, infections, transplant-related complications and ability to eat were compared between infants with early (Group 1, n = 13) and late (Group 2, n = 10) nephrectomy. 'Early' was defined as nephrectomy at 7-kg body weight followed by peritoneal dialysis and 'late' as nephrectomy at ≥10 kg followed by 3-4 weeks of haemodialysis and kidney transplantation. Patients were followed until the end of the first post-transplant year. RESULTS: Dialysis time was significantly longer in group 1 than in group 2. Late nephrectomy did not increase the risk for thromboembolic events or septicaemia but decreased tube feeding dependency (group 1 69% vs. group 2 20%, p = 0.019). Motor development at transplantation was considered normal in 80% of the infants with late nephrectomy compared to 31% in the early nephrectomy group (p = 0.019); however, the difference between the groups disappeared by the end of the follow-up. CONCLUSION: Infants with late nephrectomy have comparative outcome but less feeding tube dependency and better motor development during the first post-transplant months compared to infants with early nephrectomy.

3.
Ann Transplant ; 29: e941929, 2024 Feb 13.
Artigo em Inglês | MEDLINE | ID: mdl-38347714

RESUMO

BACKGROUND The use of ABO-incompatible liver transplants (ABO-ILTs) from deceased donors has become more common due to the shortage of available donor livers and increased transplant waiting times. This retrospective study from a national transplant center at Helsinki University Hospital, Finland, aimed to assess the long-term outcomes of ABO-incompatible deceased donor pediatric liver transplants between 1987 and 2022. MATERIAL AND METHODS Sixteen (9.5%) of the 169 pediatric liver transplantations were ABO-ILTs. The median age at transplantation was 5.0 (0.5-15.4) years. Reasons for ABO-ILTs were acute liver failure (18.75%), malignancy (12.5%), small body size and long waiting time (25%), and other reasons (43.75%). The median post-transplant follow-up time was 147 (0.72-353) months. Patient and graft survival and occurrence of surgical complications were compared to ABO-identical transplants, and anti-ABO antibody titers were analyzed. RESULTS The 1-, 3-, and 5-year patient survivals were comparable between the ABO-I and ABO-compatible groups, being 81.3%, 73.9%, and 73.9% (ABO-I) and 87.5%, 82.5%, 77.9% (ABO-compatible), respectively. Three patients with ABO-ILTs died of sepsis and multiorgan failure during the first 3 months after transplantation. The occurrence of biliary complications and early vascular thrombosis (<30 days after transplantation) did not differ significantly between recipients with an ABO-ILT vs ABO-compatible liver graft. CONCLUSIONS The findings from this study support findings from previous studies that outcomes after ABO-incompatible liver transplants in children were comparable to outcomes from ABO-identical liver transplants.


Assuntos
Transplante de Fígado , Criança , Humanos , Pré-Escolar , Adolescente , Transplante de Fígado/métodos , Estudos Retrospectivos , Finlândia , Incompatibilidade de Grupos Sanguíneos , Sistema ABO de Grupos Sanguíneos , Hospitais , Sobrevivência de Enxerto , Rejeição de Enxerto , Doadores Vivos
4.
Transplant Direct ; 9(10): e1534, 2023 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-37745950

RESUMO

Background: Immune-mediated factors such as acute cellular rejections and donor-specific antibodies (DSAs) are risk factors for cardiac allograft vasculopathy (CAV). We studied a national cohort with a unified setting and thorough protocol endomyocardial biopsy (EMB) data for an association between cellular rejections, especially when mild and recurrent, and DSAs with CAV in pediatric heart transplant (HTx) patients. Methods: This is a retrospective, national cohort study of 94 pediatric HTxs performed between 1991 and 2019 and followed until December 31, 2020. Diagnosis of CAV was based on reevaluation of angiographies. Protocol and indication EMB findings with other patient data were collected from medical records. Associations between nonimmune and immune-mediated factors and CAV were analyzed with univariable and multivariable Cox regression analyses. Results: Angiographies performed on 76 patients revealed CAV in 23 patients (30%). Altogether 1138 EMBs (92% protocol biopsies) were performed on 78 patients (83%). During the first posttransplant year, grade 1 rejection (G1R) appeared in 45 patients (58%), and recurrent (≥2) G1R findings in 14 patients (18%). Pretransplant DSAs occurred in 13 patients (17%) and posttransplant DSAs in 37 patients (39%). In univariable analysis, pretransplant DSAs, appearance and recurrence of G1R findings, and total rejection score during the first posttransplant year, as well as recurrent G1R during follow-up, were all associated with CAV. In multivariable analysis, pretransplant DSAs and recurrent G1R during the first posttransplant year were found to be associated with CAV. Conclusions: Our results indicate that pretransplant DSA and recurrent G1R findings, especially during the first posttransplant year, are associated with CAV after pediatric HTx.

5.
Cancer ; 129(22): 3633-3644, 2023 11 15.
Artigo em Inglês | MEDLINE | ID: mdl-37552054

RESUMO

BACKGROUND: Childhood cancer therapy may cause long-term effects. This cross-sectional study evaluated adulthood milestones in male childhood cancer survivors (CCS). METHODS: The study population comprised 252 male CCS with 6 to 42 years of survival diagnosed at the Children's Hospital in Helsinki (1964-2000) at the age of 0 to 17 years. Sex-, age-, and area of residence-matched population controls were randomly selected from the Finnish national registries. Data on moving away from the parental home, marital status, offspring, and adoption in CCS were compared with the population controls. We analyzed the influence of chemotherapy and radiation exposures and testicular dysfunction (ever nontestosterone-substituted serum follicle stimulating hormone >15 IU/L, luteinizing hormone >15 IU/L, testosterone <2 ng/mL (5 nmol/L), need of testosterone replacement therapy, or testicular volume <12 mL at the end of puberty) during pubertal maturation on long-term social outcomes. RESULTS: CCS moved away from their parental home as frequently as population controls (97.8% vs. 98.5%, p = .45). CCS were less likely to marry or live in a registered relationship (46.4% vs. 57.5%, p < .001), especially when diagnosed at a young age (<4 years). Among those married, the probability of divorce was similar between CCS and population controls (27.4% vs. 23.8%, p = .41). Survivors were less likely to sire a child (38.5% vs. 59.1%, p < .001) and more likely to adopt (2% vs. 0.4%, p = .015). Lower probability of paternity was associated with hematopoietic stem cell therapy, testicular radiation dose >6 Gy, pubertal signs of testicular dysfunction (nontestosterone-substituted serum follicle stimulating hormone >15 IU/L, luteinizing hormone  >15 IU/L, testosterone <2 ng/mL (5 nmol/L), or need of testosterone replacement therapy during puberty, or testicular volume <12 mL at the end of puberty) or azoospermia after puberty. CONCLUSIONS: This study emphasizes the value of pubertal monitoring of testicular function to estimate future probability of paternity. If no signs of dysfunction occurred during pubertal follow-up, paternity was comparable to population controls. Testicular radiation dose >6 Gy appeared to be the strongest risk factor for decreased paternity. PLAIN LANGUAGE SUMMARY: Treatment with intensive therapies, including hematopoietic stem cell therapy, testicular radiation dose >6 Gy, and signs of testicular dysfunction, during puberty are important risk factors for lower rates of fertility. Intensive therapies and testicular dysfunction itself do not similarly hamper psychosocial milestones in adulthood; cancer diagnosis at a very young age (<4 years) lower the probability of marriage. This study accentuates the importance of monitoring of pubertal development, emphasizing on testicular function, not only sperm analysis, to estimate future fertility among male childhood cancer survivors.


Assuntos
Neoplasias , Criança , Humanos , Masculino , Recém-Nascido , Lactente , Pré-Escolar , Adolescente , Neoplasias/tratamento farmacológico , Estudos Transversais , Paternidade , Sêmen , Testículo , Testosterona , Hormônio Foliculoestimulante , Hormônio Luteinizante
6.
Clin Kidney J ; 16(4): 745-755, 2023 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-37007701

RESUMO

Background: Data on comorbidities in children on kidney replacement therapy (KRT) are scarce. Considering their high relevance for prognosis and treatment, this study aims to analyse the prevalence and implications of comorbidities in European children on KRT. Methods: We included data from patients <20 years of age when commencing KRT from 2007 to 2017 from 22 European countries within the European Society of Paediatric Nephrology/European Renal Association Registry. Differences between patients with and without comorbidities in access to kidney transplantation (KT) and patient and graft survival were estimated using Cox regression. Results: Comorbidities were present in 33% of the 4127 children commencing KRT and the prevalence has steadily increased by 5% annually since 2007. Comorbidities were most frequent in high-income countries (43% versus 24% in low-income countries and 33% in middle-income countries). Patients with comorbidities had a lower access to transplantation {adjusted hazard ratio [aHR] 0.67 [95% confidence interval (CI) 0.61-0.74]} and a higher risk of death [aHR 1.79 (95% CI 1.38-2.32)]. The increased mortality was only seen in dialysis patients [aHR 1.60 (95% CI 1.21-2.13)], and not after KT. For both outcomes, the impact of comorbidities was stronger in low-income countries. Graft survival was not affected by the presence of comorbidities [aHR for 5-year graft failure 1.18 (95% CI 0.84-1.65)]. Conclusions: Comorbidities have become more frequent in children on KRT and reduce their access to transplantation and survival, especially when remaining on dialysis. KT should be considered as an option in all paediatric KRT patients and efforts should be made to identify modifiable barriers to KT for children with comorbidities.

7.
Pediatr Nephrol ; 38(5): 1633-1642, 2023 05.
Artigo em Inglês | MEDLINE | ID: mdl-36315277

RESUMO

BACKGROUND: History of chronic kidney disease and kidney transplantation is known to influence physical performance capacity. The aim of this study was to compare the physical performance of pediatric kidney transplant recipients to healthy controls and to find possible correlations between clinical parameters and physical performance capacity. METHODS: Twenty-four pediatric kidney transplant recipients (62.5% boys) were tested at a median age of 10.8 years. Physical performance capacity was tested with a test set including six different components assessing muscle endurance, strength, speed, and flexibility. The control group consisted of 273 healthy age-matched schoolchildren. Clinical parameters were collected as part of routine follow-up protocol. The majority of patients (62.5%) had congenital nephrotic syndrome of Finnish type (CNS) as primary diagnosis, and therefore, the results of CNS recipients were compared to the other disease groups. RESULTS: The physical performance capacity in pediatric kidney transplant recipients was lower compared to healthy controls. Surprisingly, no statistically significant correlation was found between graft function and physical performance capacity. The CNS patients scored worse than patients with other diagnoses in all test domains except for sit-and-reach and shuttle run, but the differences did not reach statistical significance. CONCLUSION: The physical performance of pediatric kidney transplant recipients is reduced, especially in those with congenital nephrotic syndrome. Clinical parameters, including graft function, did not predict physical performance capacity, suggesting that the reduced physical performance seems to be of multivariable cause. A higher resolution version of the Graphical abstract is available as Supplementary information.


Assuntos
Transplante de Rim , Síndrome Nefrótica , Insuficiência Renal Crônica , Masculino , Humanos , Criança , Feminino , Transplante de Rim/efeitos adversos , Transplante de Rim/métodos , Desempenho Físico Funcional , Transplantados , Sobrevivência de Enxerto
8.
Pediatr Transplant ; 26(2): e14163, 2022 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-34661328

RESUMO

INTRODUCTION: Low physical activity is a well-recognized problem in pediatric solid organ transplant recipients; however, little is known about the differences between transplant groups. Physical performance testing was performed in a cohort of pediatric kidney, liver, and heart transplant recipients. METHODS: Fifty-one patients (54.9% boys), including 17 liver, 20 kidney, 2 combined liver-kidney, and 12 heart transplant recipients, were tested at the median age of 11.5 (7.5-14.9) years. The results were compared with a control group, which consisted of 425 healthy schoolchildren. The physical performance test included six different tests of endurance, strength, flexibility, and speed. RESULTS: The transplant recipients performed worse on most tests when compared with the control subjects (leg-lift test 42.0 vs. 44.9 repetitions, p = .002; repeated squatting 21.6 vs. 23.9 repetitions, p < .001; sit-up test 9 vs. 17 vs. 9 repetitions, p < .001, back extension 20 vs. 35 repetitions, p < .001; and shuttle run test 26.5 vs. 23.7 seconds, p < .001). None of the test results differed statistically significantly between the transplant groups. CONCLUSION: The physical performance of pediatric solid organ transplant recipients is lower than that of their healthy peers but do not differ between different transplant groups. More systematic rehabilitation programs and follow-up are needed.


Assuntos
Transplante de Órgãos , Desempenho Físico Funcional , Transplantados , Adolescente , Estudos de Casos e Controles , Criança , Feminino , Finlândia , Transplante de Coração , Humanos , Transplante de Rim , Transplante de Fígado , Masculino
9.
Ann Card Anaesth ; 24(4): 434-440, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-34747750

RESUMO

Background: Cardiopulmonary bypass (CPB) may lead to tissue hypoxia, inflammatory response, and risk for acute kidney injury (AKI). We evaluated the prevalence of AKI and inflammatory response in neonates undergoing heart surgery requiring CPB with or without antegrade cerebral perfusion (ACP). Methods: Forty neonates were enrolled. The patients were divided into two groups depending on the use of ACP. AKI was classified based on the Kidney Disease: Improving Global Outcomes (KDIGO) criteria. Inflammatory response was measured using plasma concentrations of interleukins 6 (IL-6) and 10 (IL-10), white blood cell count (WBC), and C-reactive protein (CRP). Results: Eight patients (20%) experienced AKI: five (29%) in the ACP group and three (13%) in the non-ACP group (P = 0.25). Postoperative peak plasma creatinine and urine neutrophil gelatinase-associated lipocalin were significantly higher in the ACP group than in the non-ACP group [46.0 (35.0-60.5) vs 37.5 (33.0-42.5), P = 0.044 and 118.0 (55.4-223.7) vs 29.8 (8.1-109.2), P = 0.02, respectively]. Four patients in the ACP group and one in the non-ACP group required peritoneal dialysis (P = 0.003). Postoperative plasma IL-6, IL-10, and CRP increased significantly in both groups. There were no significant differences between the ACP and non-ACP groups in any of the inflammatory parameters measured. Conclusions: No significant difference in the AKI occurrence or inflammatory response related to CPB modality could be found. In our study population, inflammation was not the key factor leading to AKI. Due to the limited number of patients, these findings should be interpreted with caution.


Assuntos
Injúria Renal Aguda , Procedimentos Cirúrgicos Cardíacos , Injúria Renal Aguda/etiologia , Biomarcadores , Procedimentos Cirúrgicos Cardíacos/efeitos adversos , Ponte Cardiopulmonar/efeitos adversos , Circulação Cerebrovascular , Humanos , Rim/fisiologia , Lipocalina-2 , Complicações Pós-Operatórias/epidemiologia
10.
Pediatr Nephrol ; 36(11): 3663-3671, 2021 11.
Artigo em Inglês | MEDLINE | ID: mdl-34008125

RESUMO

BACKGROUND: Only a few studies reporting the long-term outcome of children with idiopathic tubulointerstitial nephritis (TIN) and uveitis syndrome (TINU) are available. We studied the long-term kidney and ocular outcome in a nationwide cohort of children with TIN or TINU. METHODS: All patients followed up for a minimum of 1 year by a paediatrician and an ophthalmologist were enrolled. The data on plasma creatinine (P-Cr), estimated glomerular filtration rate (eGFR), proteinuria, hypertension and uveitis were collected retrospectively. RESULTS: Fifty-two patients were studied. Median age at time of diagnosis was 13.1 (1.8-16.9) years and median follow-up time was 5.7 (1.1-21.2) years. Forty-five (87%) patients were initially treated with glucocorticoids. The median of the maximum P-Cr was 162 µmol/l (47-1,016) and that of eGFR 47 ml/min/1.73m2 (8-124). Uveitis was diagnosed in 33 patients (63%) and 21 (40%) patients developed chronic uveitis. P-Cr normalised in a median of 2 months. Eleven (21%) patients had nephritis recurrence during or after discontinuation of glucocorticoids. At the latest follow-up, 13 (25%) patients had eGFR < 90 ml/min/1.73m2 (median 83; 61-89 ml/min/1.73m2). Six patients had tubular proteinuria; all presented with TIN without uveitis. Seven (13%) patients were hypertensive. Eleven (21%) patients had uveitis. One patient developed uraemia and was later transplanted. CONCLUSIONS: Our study questions the previously reported good long-term kidney and ocular outcome of patients with TIN/TINU. Decreased kidney function and/or ocular co-morbidities may persist for several years; thus, both kidney and ocular follow-up for at least 1 year is warranted. A higher resolution version of the Graphical abstract is available as Supplementary information.


Assuntos
Nefrite Intersticial , Uveíte , Adolescente , Biópsia , Criança , Pré-Escolar , Seguimentos , Glucocorticoides/uso terapêutico , Humanos , Lactente , Nefrite Intersticial/tratamento farmacológico , Nefrite Intersticial/epidemiologia , Nefrite Intersticial/patologia , Estudos Retrospectivos , Resultado do Tratamento , Uveíte/tratamento farmacológico , Uveíte/epidemiologia , Uveíte/patologia
11.
J Sex Med ; 17(10): 2104-2107, 2020 10.
Artigo em Inglês | MEDLINE | ID: mdl-32709575

RESUMO

BACKGROUND: Data on adult sexual functioning after kidney transplantation (KTx) during childhood or adolescence are scarce. AIM: To assess the long-term sexual and psychosocial quality of life after pediatric KTx. METHODS: 29 young men (median age 27.1 years) were examined 18.7 years (median) after KTx. 56 age-matched healthy men (median age 30.0 years) served as controls. OUTCOME: We studied the influence of sociodemographics, previous renal replacement therapy, current reproductive hormonal serum levels, testicular size, and data on several validated mental and physical questionnaires on participants' Derogatis Interview for Sexual Functioning self-report scores. RESULTS: The KTx recipients had significantly poorer sexual functioning than their healthy peers. KTx men had less frequent sexual activity with a partner (P = .03) and poorer orgasms (P = .002) than the controls but no erectile dysfunction (P = .5). CLINICAL IMPLICATIONS: Depressive symptoms, relationship status, and longer dialysis duration predicted poor adult sexual functioning in KTx recipients, whereas age at transplantation or at the time of the study did not. STRENGTHS & LIMITATIONS: This study contributes extended follow-up data to the very scarce literature on adult sexual functioning in pediatric KTx recipients. Relatively small population and low participation rate limit the comprehensive data interpretation in a population-based cohort of male KTx recipients. CONCLUSION: Sexual functioning is often impaired in young men after pediatric KTx, emphasizing the need for long-term monitoring of sexual health and sexuality as important dimensions of quality of life. Tainio J, Jahnukainen T, Jalanko H, et al. Male Sexual Function After Pediatric Kidney Transplantation-A Cross-sectional Nationwide Study. J Sex Med 2020;17:2104-2107.


Assuntos
Transplante de Rim , Adolescente , Adulto , Criança , Estudos Transversais , Humanos , Transplante de Rim/efeitos adversos , Masculino , Orgasmo , Qualidade de Vida , Comportamento Sexual
12.
Pediatr Nephrol ; 35(9): 1719-1728, 2020 09.
Artigo em Inglês | MEDLINE | ID: mdl-32394187

RESUMO

BACKGROUND: The prevalence of malignancies after pediatric solid organ transplantation was evaluated in a nationwide study. METHODS: All patients who had undergone kidney, liver, or heart transplantation during childhood between the years 1982 and 2015 in Finland were identified. The inclusion criteria were age under 16 years at transplantation and age over 18 years at the last follow-up day. A total of 233 (137 kidney, 53 liver, and 43 heart) transplant recipients were enrolled. Controls (n = 1157) matched by the year of birth, gender, and hometown were identified using the Population Register Center registry. The cancer diagnoses were searched using the Finnish Cancer Registry. RESULTS: Altogether 26 individuals diagnosed with cancer were found, including 18 transplant recipients. Cancer was diagnosed at a median of 12.0 (IQR 7.8-17.8) years after the transplantation. The transplant recipients' risk for cancer was significantly higher when compared with the controls (HR 14.7; 95% CI 6.4-33.9). There was no difference for different graft types. Sixty-one percent of cancers among the transplant recipients were diagnosed at age older than 18 years. CONCLUSION: The risk for cancer is significantly higher among young adults having undergone solid organ transplantation during childhood in comparison with population controls. Careful follow-up and attention to prevent cancers throughout adulthood are warranted.


Assuntos
Terapia de Imunossupressão/efeitos adversos , Neoplasias/epidemiologia , Transplantados/estatística & dados numéricos , Adolescente , Adulto , Estudos de Casos e Controles , Feminino , Finlândia/epidemiologia , Transplante de Coração/efeitos adversos , Transplante de Coração/estatística & dados numéricos , Humanos , Transplante de Rim/efeitos adversos , Transplante de Rim/estatística & dados numéricos , Transplante de Fígado/efeitos adversos , Transplante de Fígado/estatística & dados numéricos , Masculino , Neoplasias/etiologia , Prevalência , Sistema de Registros , Medição de Risco , Adulto Jovem
13.
Transpl Int ; 33(1): 89-97, 2020 01.
Artigo em Inglês | MEDLINE | ID: mdl-31505063

RESUMO

Over the past 30 years, there has been an improvement in both patient and graft survival after pediatric renal transplantation (RTX). Despite this success, these patients still carry an elevated risk for untimely death, partly through premature aging of the vasculature. The aim of this study was thus to investigate the long-term outcome of individuals with RTX in childhood, as well as to explore the cardiovascular health of these adults more than a decade later. We studied 131 individuals who had undergone a RTX between the years 1979 and 2005. Furthermore, left ventricular hypertrophy (LVH), coronary artery calcifications (CAC), and related metabolic factors were investigated in a cross-sectional study including 52 individuals as part of the initial cohort. The mortality rate (n = 131) was 12.2%. The median estimated graft survival was 17.5 years (95% CI 13.6-21.3), being significantly better in children transplanted below the age of 5 years (18.6 vs. 14.3 years, P < 0.01) compared with older ones. CAC were found in 9.8% and LVH in 13% of the patients. Those with cardiac calcifications had longer dialysis vintage and higher values of parathyroid hormone (PTH) during dialysis. Left ventricular mass correlated positively with systolic blood pressure, PTH, and phosphate measured at the time of the study.


Assuntos
Doenças Cardiovasculares/epidemiologia , Sobrevivência de Enxerto , Falência Renal Crônica , Transplante de Rim , Adulto , Criança , Pré-Escolar , Estudos de Coortes , Estudos Transversais , Humanos , Hipertrofia Ventricular Esquerda , Incidência , Falência Renal Crônica/cirurgia , Diálise Renal
14.
Pediatr Transplant ; 23(8): e13586, 2019 12.
Artigo em Inglês | MEDLINE | ID: mdl-31535435

RESUMO

BKPyV is widely recognized in KTRs, but little is known about rates of primary and secondary JCPyV exposure in pediatric KTRs. We evaluated JCPyV exposure in pediatric KTRs using antibody responses in the first 12 months post-transplant. Of 46 children transplanted between 2009 and 2014, 6 lacked any samples for serologic testing, leaving 40 KTRs for study. JCPyV-specific IgG and IgM antibodies were measured using a normalized VLP ELISA. Significant JCPyV exposure was defined as IgG seroconversion, increasing IgG levels of >0.5 nOD units, or IgM detection. Of 40 recipients (median age 3.2 years), 11 (27.5%) were seropositive, 20 (50%) seronegative for JCPyV-IgG, while 9 (22.5%) had no specimen at the time of transplantation, but were confirmed as seronegative in post-transplant samples. Of 29 (72.5%) at risk, JCPyV-IgG seroconversion occurred in 15/29 (51.7%) including JCPyV-IgM in 6 patients (20.7%). Two patients (6.9%) developed only JCPyV-IgM. Among JCPyV-IgG-positive KTRs, six (12.5%) had significant IgG increases. Altogether 23 of 40 patients (57.5%) had serological evidence of primary or secondary JCPyV exposure. In these patients, kidney function tended to be lower during the 2 years of follow-up, but only one patient lost the graft due to JCPyV nephropathy. Thus, JCPyV exposure is common in pediatric KTR and may present serologically as primary or secondary infection. Although only one case of JC-PyVAN occurred, a trend toward lower renal function was seen. Dedicated studies of larger cohorts are warranted to define impact of JCPyV in pediatric KTR.


Assuntos
Anticorpos Antivirais/sangue , Vírus JC/imunologia , Transplante de Rim , Adolescente , Formação de Anticorpos , Criança , Pré-Escolar , Feminino , Humanos , Lactente , Masculino , Estudos Retrospectivos
15.
Pediatr Transplant ; 23(7): e13550, 2019 11.
Artigo em Inglês | MEDLINE | ID: mdl-31297925

RESUMO

Chronic diseases are known to cause premature aging and frailty. Data about telomere length and telomere length-regulating proteins after pediatric KTx are scarce. Leukocyte telomere length and gene expression level of eight telomere-binding proteins were analyzed in 20 KTx recipients, eight childhood NBL survivors, and nine healthy controls. The influence of key clinical parameters on telomere length and on regulators of telomere length was evaluated. The telomere length in the KTx recipients tended to be shorter (0.53 AU) than in the healthy controls (0.64 AU) but longer than in the NBL survivors (0.38 AU). There was no significant difference in telomere length between the NBL survivors and the KTx recipients (P = .110). The gene expression level of telomere length-preserving protein RPA1 was significantly higher in the KTx recipients than among the NBL survivors or healthy controls, while the expression of TRF2 and the tumor suppressor gene p16 was significantly higher in the KTX recipients when compared to the controls. TRF2 and TIN2 correlated significantly with hsCRP; additionally, TRF2 showed significant correlation with plasma creatinine and eGFR. KTx recipients have near to normal telomere length, but they have significantly higher gene expression levels of telomere regulatory proteins compared with healthy controls, suggesting activation of mechanisms preserving telomere length among KTx recipients. Our results suggest that declined graft function and consequent inflammatory response may have influence on telomerase activity.


Assuntos
Sobreviventes de Câncer , Transplante de Rim , Encurtamento do Telômero , Proteínas de Ligação a Telômeros/metabolismo , Adolescente , Adulto , Biomarcadores/metabolismo , Estudos de Casos e Controles , Estudos Transversais , Humanos , Masculino , Adulto Jovem
16.
Transpl Int ; 31(2): 157-164, 2018 02.
Artigo em Inglês | MEDLINE | ID: mdl-28850735

RESUMO

Data about health-related quality of life (HRQOL) in adult recipients after pediatric kidney transplantation (KTx) are scarce. In this nationwide questionnaire-based study, HRQOL and social status in young adult men having undergone KTx during childhood (n = 29) were studied and compared to age- and gender-matched healthy controls (n = 56) and survivors of childhood acute lymphoblastic leukemia (n = 52) comprising controls with another chronic disease of childhood. Altogether 41% of the KTx recipients, 50% of the leukemia survivors and 80% of the healthy controls lived in a permanent relationship. When compared with leukemia survivors, the KTx recipients reported significantly more bodily pain and worse general health (RAND-36). Older age at time of study, longer duration of dialysis, multiple transplantations and diminished graft function correlated with lower scores. The KTx recipients had a significantly higher mean Beck Depression Inventory (BDI) score than the leukemia survivors (P = 0.000) or the healthy controls (P = 0.006). BDI scores were highest in patients who lived without a partner or children had lower educational level or were unemployed. KTx recipients had significantly lower HRQOL scores than their healthy and controls with childhood chronic disease. Early detection of psychosocial problems and poor physical functioning among these patients is warranted.


Assuntos
Transplante de Rim/psicologia , Leucemia-Linfoma Linfoblástico de Células Precursoras/psicologia , Qualidade de Vida , Sobreviventes/psicologia , Adulto , Fatores Etários , Criança , Estudos Transversais , Finlândia , Humanos , Transplante de Rim/métodos , Masculino , Leucemia-Linfoma Linfoblástico de Células Precursoras/diagnóstico , Leucemia-Linfoma Linfoblástico de Células Precursoras/terapia , Valores de Referência , Estudos Retrospectivos , Medição de Risco , Fatores Sexuais , Perfil de Impacto da Doença , Estatísticas não Paramétricas , Adulto Jovem
18.
J Acute Med ; 7(1): 19-23, 2017 Mar 01.
Artigo em Inglês | MEDLINE | ID: mdl-32995165

RESUMO

OBJECTIVE: This retrospective study evaluated all trauma patients who were admitted to intensive care unit in Turku University Central Hospital, Finland in 2000-2004. METHODS: We reviewed details of demographic factors, injury mechanism, treatment details, and the overall recovery of patients after the hospital episode. RESULTS: A total of 427 trauma patients were identified, 66% of these were severely injured (ISS > 15). 79% of patients were men. The median age of 44 years. The most frequent injury type was road traffic accidents, leisure-time accidents and injury mechanism a high-energy blunt trauma. Head injuries were the most frequently diagnosed severe injury and 59% of the patients were multiple traumatized. CONCLUSIONS: Current results suggest that the overall survival of these patients is satisfactory, although, the head and cervical spine injuries are still often related to compromised prognosis. Despite the improvements in morbidity and mortality of these patients during last decades, still almost every tenth of trauma patient treated in the ICU dies to the complications of the injury.

19.
Pediatr Nephrol ; 32(2): 347-358, 2017 02.
Artigo em Inglês | MEDLINE | ID: mdl-27576676

RESUMO

BACKGROUND: Anemia and low-grade inflammation are reported to be associated with impaired long-term graft outcome in renal transplant (RTx) recipients. In this study, hemoglobin (Hb) and inflammation marker levels were correlated with measured glomerular filtration rate (GFR) in 128 pediatric RTx recipients over a median follow-up period of 10 years. METHODS: Serum levels of erythropoietin (EPO), hepcidin-25, high-sensitivity C-reactive protein (CRP) (hsCRP) and interleukin-6 (IL-6) were analyzed by enzyme-linked immunosorbent assays, and GFR was analyzed by 51Cr-EDTA clearance. RESULTS: The median levels of Hb (115 g/L), hsCRP (0.4 mg/L) and IL-6 (1.4 pg/mL) and the median erythrocyte sedimentation rate (ESR; 19 mm/h) remained stable after the first post-operative year. However, approximately half of the patients had a normocytic, normochromic anemia, and one-third had elevated levels of hsCRP (>1 mg/L) and ESR (>25 mm/h), indicating continuous low-grade inflammation. Low Hb levels preceded increased fibrosis in protocol biopsies taken at 1.5 and 3 years after transplantation and preceded decreased GFR by several years. Hb levels showed an inverse correlation with EPO levels (r = -0.206, p = 0.038) and ESR (r = -0.369, p < 0.001), but not with hepcidin-25, hsCRP or IL-6 levels. The levels of the major inflammatory markers IL-6 and hsCRP did not show a significant correlation with GFR at either the early maintenance phase or later. In the multivariable analysis, low Hb levels performed better than any other marker with respect to predicting concomitant and subsequent GFR. CONCLUSIONS: Anemia, but not elevated inflammatory indices, was associated with poor concomitant and subsequent graft function during a 10-year follow-up in pediatric RTx patients.


Assuntos
Anemia/sangue , Taxa de Filtração Glomerular , Inflamação/sangue , Transplante de Rim/efeitos adversos , Biomarcadores/sangue , Proteína C-Reativa/análise , Criança , Pré-Escolar , Ensaio de Imunoadsorção Enzimática , Eritropoetina/sangue , Feminino , Hepcidinas/sangue , Humanos , Lactente , Interleucina-6/sangue , Estudos Longitudinais , Masculino
20.
Pediatr Transplant ; 20(3): 364-71, 2016 May.
Artigo em Inglês | MEDLINE | ID: mdl-26857893

RESUMO

The NPRTSG has collected data on pediatric KTx since 1994. The registry archives information from all centers that perform pediatric KTx in Denmark, Finland, Norway, and Sweden and has 100% coverage. The first NPRTSG report was published in 1998 and was based on data collected in the 1982─1996 period. The present report provides data on 602 pediatric KTx in the Nordic countries from 1997 to 2012. Comparison of the patient demographics and one- and three-yr graft survivals between the two time cohorts revealed no significant change in the recipient and donor demographics. The number of transplantations increased by approximately 30%, doubling the recipients below the age of two yr. The use of Tac and mycophenolate as primary immunosuppression increased from practically 0% to 50% and 40%, respectively. The one- and three-yr graft survivals improved significantly (p < 0.001), especially among the youngest recipients with transplant from DD. In these patients, the one-yr survival improved from 70% to 94.6% and the three-yr graft survival from 60% to 94.6%, respectively. The improved graft survival may be at least partly due to changes in immunosuppression strategies, but also greater experience may also be of importance.


Assuntos
Sobrevivência de Enxerto , Transplante de Rim/métodos , Pediatria/métodos , Transplantados , Adolescente , Adulto , Idoso , Idoso de 80 Anos ou mais , Criança , Pré-Escolar , Estudos de Coortes , Dinamarca , Finlândia , Rejeição de Enxerto , Humanos , Terapia de Imunossupressão , Imunossupressores/uso terapêutico , Lactente , Recém-Nascido , Pessoa de Meia-Idade , Ácido Micofenólico/uso terapêutico , Noruega , Sistema de Registros , Suécia , Tacrolimo/uso terapêutico , Doadores de Tecidos , Resultado do Tratamento , Adulto Jovem
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