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BACKGROUND: Two earthquakes on 6 February 2023 destroyed 10 cities in Türkiye. We report our experience with pediatric victims during these catastrophes, with a focus on crush syndrome related-acute kidney injury (Crush-AKI) and death. METHOD: Web-based software was prepared. Patient demographics, time under rubble (TUR), admission laboratory data, dialysis, and kidney and overall outcomes were recorded. RESULTS: A total of 903 injured children (median age 11.62 years) were evaluated. Mean TUR was 13 h (interquartile range 32.5, max 240 h). Thirty-one of 32 patients with a TUR of >120 h survived. The patient who was rescued after 10 days survived. Two-thirds of the patients were given 50 mEq/L sodium bicarbonate in 0.45% sodium chloride solution on admission day. Fifty-eight percent of patients were given intravenous fluid (IVF) at a volume of 2000-3000 mL/m2 body surface area (BSA), 40% at 3000-4000 mL/m2 BSA and only 2% at >4000 mL/m2 BSA. A total of 425 patients had surgeries, and 48 suffered from major bleeding. Amputations were recorded in 96 patients. Eighty-two and 66 patients required ventilator and inotropic support, respectively. Crush-AKI developed in 314 patients (36% of all patients). In all, 189 patients were dialyzed. Age >15 years, creatine phosphokinase (CK) ≥20 950 U/L, TUR ≥10 h and the first-day IVF volume <3000-4000 mL/m2 BSA were associated with Crush-AKI development. Twenty-two deaths were recorded, 20 of 22 occurring in patients with Crush-AKI and within the first 4 days of admission. All patients admitted after 7 days survived. CONCLUSIONS: These are the most extensive pediatric kidney disaster data obtained after an earthquake. Serum CK level was significantly associated with Crush-AKI at the levels of >20 950 U/L, but not with death. Adolescent age and initial IVF of less than 3000-4000 mL/m2 BSA were also associated with Crush-AKI. Given that mildly injured victims can survive longer periods in the disaster field, we suggest uninterrupted rescue activity for at least 10 days.
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Lesión Renal Aguda , Síndrome de Aplastamiento , Terremotos , Humanos , Niño , Femenino , Masculino , Adolescente , Síndrome de Aplastamiento/terapia , Síndrome de Aplastamiento/complicaciones , Lesión Renal Aguda/terapia , Lesión Renal Aguda/etiología , Preescolar , Pronóstico , Tasa de Supervivencia , Estudios de Seguimiento , Diálisis Renal , Desastres , Lactante , Estudios RetrospectivosRESUMEN
BACKGROUND: Acute kidney injury (AKI) is a common and important complication of burn injury. Although there are numerous adult studies, data regarding AKI in pediatric burn patients are scarce. Here, we aimed to evaluate the frequency, clinical features, and prognosis of AKI among pediatric burn injury patients. METHODS: This is a retrospective cohort study. Patients aged between 1 month and 18 years who had been followed up between the years 2011 and 2017 were included, and patients with previous kidney disease were excluded. Demographic data, laboratory and clinical variables, management strategies, and outcome data were obtained from the hospital records. Factors associated with AKI were determined by logistic regression analysis. RESULTS: A total of 697 patients had been followed up, and 87 (12.5%) had AKI. Older age, refugee status, prolonged duration between the incident and time of hospitalization, presence of sepsis, severity and type of burn, volume of fluid administration, intubation status, and accompanying organ failure were all associated with the development of AKI. According to multivariate logistic regression analysis, the most statistically significant factors associated with the development of AKI were older age and increased serum hemoglobin values. In terms of outcomes, length of stay and mortality increased in patients with AKI when compared with patients without AKI. CONCLUSION: Similar to adults, AKI is an important and common complication of burn injury in pediatric burn patients and is associated with increased length of stay, morbidity, and mortality. Early recognition and prompt and appropriate management are crucial to avoid morbidity and mortality.
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Lesión Renal Aguda , Quemaduras , Tiempo de Internación , Humanos , Masculino , Quemaduras/complicaciones , Quemaduras/mortalidad , Quemaduras/terapia , Lesión Renal Aguda/etiología , Lesión Renal Aguda/epidemiología , Lesión Renal Aguda/mortalidad , Lesión Renal Aguda/terapia , Lesión Renal Aguda/diagnóstico , Femenino , Niño , Estudios Retrospectivos , Preescolar , Adolescente , Lactante , Factores de Riesgo , Pronóstico , Tiempo de Internación/estadística & datos numéricos , Factores de EdadRESUMEN
BACKGROUND: Acute kidney injury (AKI) is a common complication of hematopoietic stem cell transplantation (HSCT) with increased mortality and morbidity. Understanding the risk factors for AKI is essential. This study aimed to identify AKI incidence, risk factors, and prognosis in pediatric patients post-HSCT. METHODS: We conducted a retrospective case-control study of 278 patients who were divided into two groups: those with AKI and those without AKI (non-AKI). The groups were compared based on the characteristics and clinical symptoms of patients, as well as post-HSCT complications and the use of nephrotoxic drugs. Logistic regression analysis was employed to identify the risk factors for AKI. RESULTS: A total of 16.9% of patients had AKI, with 8.5% requiring kidney replacement therapy. Older age (OR 1.129, 95% CI 1.061-1.200, p < 0.001), sinusoidal obstruction syndrome (OR 2.562, 95% CI 1.216-5.398, p = 0.011), hemorrhagic cystitis (OR 2.703, 95% CI 1.178-6.199, p = 0.016), and nephrotoxic drugs, including calcineurin inhibitors, amikacin, and vancomycin (OR 17.250, 95% CI 2.329-127.742, p < 0.001), were identified as significant independent risk factors for AKI following HSCT. Mortality rate and mortality due to AKI were higher in stage 3 patients than those in stage 1 and 2 AKI (p = 0.019, p = 0.007, respectively). Chronic kidney disease developed in 1 patient (0.4%), who was in stage 1 AKI (2.1%). CONCLUSIONS: AKI poses a serious threat to children post-HSCT, leading to alarming rates of mortality and morbidity. To enhance outcomes and mitigate these risks, it is vital to identify AKI risk factors, adopt early preventive strategies, and closely monitor this patient group.
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Lesión Renal Aguda , Trasplante de Células Madre Hematopoyéticas , Humanos , Trasplante de Células Madre Hematopoyéticas/efectos adversos , Lesión Renal Aguda/epidemiología , Lesión Renal Aguda/etiología , Lesión Renal Aguda/terapia , Lesión Renal Aguda/mortalidad , Masculino , Femenino , Niño , Factores de Riesgo , Estudios Retrospectivos , Estudios de Casos y Controles , Preescolar , Adolescente , Incidencia , Pronóstico , Terapia de Reemplazo Renal/estadística & datos numéricos , Terapia de Reemplazo Renal/efectos adversos , LactanteRESUMEN
BACKGROUND: Atypical hemolytic uremic syndrome (aHUS) is a rare, mostly complement-mediated thrombotic microangiopathy. The majority of patients are infants. In contrast to infantile-onset aHUS, the clinical and genetic characteristics of adolescence-onset aHUS have not been sufficiently addressed to date. METHODS: A total of 28 patients (21 girls, 7 boys) who were diagnosed as aHUS between the ages of ≥10 years and <18 years were included in this study. All available data in the Turkish Pediatric aHUS registry were collected and analyzed. RESULTS: The mean age at diagnosis was 12.8±2.3 years. Extra-renal involvement was noted in 13 patients (46.4%); neurological involvement was the most common (32%). A total of 21 patients (75%) required kidney replacement therapy. Five patients (17.8%) received only plasma therapy and 23 (82%) of the patients received eculizumab. Hematologic remission and renal remission were achieved in 25 (89.3%) and 17 (60.7%) of the patients, respectively. Compared with the infantile-onset aHUS patients, adolescent patients had a lower complete remission rate during the first episode (p = 0.002). Genetic analyses were performed in all and a genetic variant was detected in 39.3% of the patients. The mean follow-up duration was 4.9±2.6 years. At the last visit, adolescent patients had lower eGFR levels (p = 0.03) and higher rates of chronic kidney disease stage 5 when compared to infantile-onset aHUS patients (p = 0.04). CONCLUSIONS: Adolescence-onset aHUS is a rare disease but tends to cause more permanent renal dysfunction than infantile-onset aHUS. These results may modify the management approaches in these patients.
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A 16-year-old girl was admitted to the hospital for the absence of a menstrual bleeding over 10 mounts. She has had regular menstrual periods since she was 13 years old and no history of systemic disease. Laboratory tests showed low estrogen (<11.8 ng/L, range 16-238 ng/L), elevated FSH (follicle stimulating hormone) (138.3 U/L), low AMH (anti-Mullerian hormone) (<0.01 µg/L), normal prolactin (7 µg/L), and thyroid hormone levels (TSH: 1.5 mU/L). The ovaries were prepubertal in size and diagnosed with primer ovarian failure. ANA titers, antiphospholipid antibody, and direct coombs were positive. Microscopic hematuria and nephritic proteinuria (34 mg/m2/hour) were also detected and renal biopsy was revealed stage 3-5 lupus nephritis. Premature ovarian failure is an extremely rare disease in childhood. When POF is detected in the adolescent, it is important to investigate the etiology. In this way, it may be possible to diagnose diseases with high morbidity and mortality that may cause POF.
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Lupus Eritematoso Sistémico , Insuficiencia Ovárica Primaria , Adolescente , Hormona Antimülleriana , Anticuerpos Antifosfolípidos , Estrógenos , Femenino , Hormona Folículo Estimulante , Humanos , Lupus Eritematoso Sistémico/complicaciones , Lupus Eritematoso Sistémico/diagnóstico , Insuficiencia Ovárica Primaria/etiología , Prolactina , TirotropinaRESUMEN
BACKGROUND: Proteinuria (both tubular and glomerular in origin) and its implications are well-known features of adult patients with COVID19. However currently studies addressing proteinuria and its role in the outcome of kidney and patients of pediatric COVID 19 is scarce. We aimed to evaluate the presence of microalbuminuria in order to detect early renal involvement in pediatric COVID 19 patients. METHODS: We prospectively evaluated 100 pediatric patients hospitalized with COVID 19 between April and July 2020. Clinical presentations, laboratory findings and outcomes were investigated. Microalbuminuria was compared with the age, gender, disease severity, and hemoglobin, platelet, leukocyte count and serum CRP levels of the patients. RESULTS: Twenty seven out of 100 patients had microalbuminuria. Fourteen patients had mild and fourteen had moderate disease. There was not any significant relation according to age and gender. Microalbuminuria was not related to the severity of the disease. Also the mean microalbuminuria level did not differ according to the disease course. Hemoglobin, platelet, leukocyte counts and serum CRP levels were also were not correlated with microalbuminuria levels. CONCLUSION: Although there was no difference between the groups with different disease course; microalbuminuria is detected in an important ratio of pediatric patients with COVID 19 in this study. In the highlight of our findings we suggest that urinary findings of pediatric COVID patients should be carefully evaluated.
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COVID-19 , Enfermedades Renales , Adulto , Albuminuria , Niño , Humanos , Riñón , ProteinuriaRESUMEN
BACKGROUND: There is limited data on COVID-19 disease in children with kidney disease. We aimed to investigate the characteristics and prognosis of COVID-19 in pediatric nephrology patients in Turkey. METHODS: This was a national, multicenter, retrospective cohort study based on an online survey evaluating the data between 11th March 2020 and 11th March 2021 as an initial step of a detailed pediatric nephrology COVID-19 registry. RESULTS: Two hundred and three patients (89 girls and 114 boys) were diagnosed with COVID-19. One-third of these patients (36.9%) were between 10-15 years old. Half of the patients were on kidney replacement therapy: kidney transplant (KTx) recipients (n = 56, 27.5%), patients receiving chronic hemodialysis (n = 33, 16.3%) and those on peritoneal dialysis (PD) (n = 18, 8.9%). Fifty-four (26.6%) children were asymptomatic. Eighty-two (40.3%) patients were hospitalized and 23 (28%) needed intensive care unit admission. Fifty-five percent of the patients were not treated, while the remaining was given favipiravir (20.7%), steroid (16.3%), and hydroxychloroquine (11.3%). Acute kidney injury developed in 19.5% of hospitalized patients. Five (2.4%) had MIS-C. Eighty-three percent of the patients were discharged without any apparent sequelae, while 7 (3.4%) died. One hundred and eight health care staff were infected during the study period. DISCUSSION: COVID-19 was most commonly seen in patients who underwent KTx and received HD. The combined immunosuppressive therapy and frequent exposure to the hospital setting may increase these patients' susceptibility. Staff infections before vaccination era were alarming, various precautions should be taken for infection control, particularly optimal vaccination coverage.
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COVID-19 , Nefrología , Masculino , Niño , Femenino , Humanos , Adolescente , COVID-19/epidemiología , COVID-19/terapia , Turquía/epidemiología , Estudios RetrospectivosRESUMEN
BACKGROUND: Although there are data showing that the frequency of hypertension increases in adults with migraine, there has been no study on this subject in children. In this study, we aimed to evaluate the presence of hypertension in children with migraine by performing ambulatory blood pressure monitoring (ABPM). METHODS: Thirty-seven children diagnosed with migraine and 30 healthy controls were evaluated between January 2015 and March 2016. Demographic data, clinical and laboratory features, and physical examination findings were recorded for both groups. Office blood pressure was measured for all children, and each also underwent ABPM. The two groups were compared in terms of ambulatory blood pressure parameters. RESULTS: The mean age was 13.3 and 13.1 years and the proportion of females was 73% and 60% in the migraine and control groups, respectively. Although the frequency of hypertension was not higher, abnormal ABPM patterns were found to be significantly more frequent in the migraine group (migraine, 45.9%; control, 16.7%; p, 0.018). Nighttime mean arterial blood pressure, nighttime diastolic blood pressure, and non-dipping pattern were higher in children with migraine than those in the control group (p < 0.05). CONCLUSIONS: These results suggest that ambulatory blood pressure abnormalities may be present in almost half of patients with migraine. Therefore, we suggest that ABPM should be performed even if the office blood pressure measurements of children diagnosed with migraine are normal.
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Hipertensión/epidemiología , Trastornos Migrañosos/epidemiología , Adolescente , Presión Sanguínea , Monitoreo Ambulatorio de la Presión Arterial/métodos , Estudios de Casos y Controles , Niño , Femenino , Humanos , Hipertensión/diagnóstico , Masculino , Factores de RiesgoRESUMEN
BACKGROUND: The aim of this study was to investigate the histopathological findings in kidney biopsies in children with atypical hemolytic uremic syndrome (aHUS) and to determine whether specific pathological findings in aHUS have a prognostic value. METHODS: Renal biopsy specimens of 29 patients who were recorded in the national Turkish aHUS registry database were available for review. Histopathological findings were compared with the clinical and laboratory features at the presentation and the final outcome. RESULTS: The mean age at presentation and follow-up period was 4.9 ± 3.9 and 3.9 ± 3.0 years, respectively. The median time interval from the first symptom to biopsy was 10 days. Vascular thrombosis and interstitial fibrosis were significantly related to chronic kidney disease (CKD) requiring dialysis or kidney transplantation during follow-up (5.6-fold, for both). Glomerular necrosis, cortical necrosis, and glomerular sclerosis were markedly associated with CKD without dialysis (6.2-fold, 13.3-fold, and 8.8-fold, respectively). However, presence of endothelial swelling, subendothelial widening, and fragmented erythrocytes was found to be correlated with a favorable final outcome. CONCLUSIONS: Presence of vascular thrombosis, cortical necrosis, and glomerular sclerosis in histopathological evaluation correlated with developing CKD. Chronic changes in the interstitial compartment were also related to poor prognosis, a finding that has been shown for the first time in pediatric aHUS cases.
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Síndrome Hemolítico Urémico Atípico/diagnóstico , Síndrome Hemolítico Urémico Atípico/patología , Riñón/patología , Síndrome Hemolítico Urémico Atípico/mortalidad , Síndrome Hemolítico Urémico Atípico/fisiopatología , Biopsia , Niño , Preescolar , Femenino , Estudios de Seguimiento , Humanos , Lactante , Modelos Logísticos , Masculino , Pronóstico , Sistema de Registros , Insuficiencia Renal Crónica/diagnóstico , Insuficiencia Renal Crónica/etiología , Insuficiencia Renal Crónica/mortalidad , Insuficiencia Renal Crónica/terapia , Estudios RetrospectivosRESUMEN
Hypomagnesemia with secondary hypocalcemia is a rare autosomal recessive disorder which manifests in early infancy with generalized seizures, other symptoms of neuromuscular irritability, and growth disturbances. Homozygous mutations in the magnesium transporter gene, transient receptor potential melastatin 6 (TRPM6), cause the disease. Here, we present an 8-month-old Turkish boy with a novel mutation of TRPM6. The patient, son of first-degree cousins, was hospitalized because of recurrent seizures and mild hypotonia. He had seizures since the newborn period and he had been treated with phenobarbital but there was no favorable response to therapy. His past history also revealed hypocalcemia detected on the newborn period but serum magnesium levels were not studied at that time. During hospitalization, we detected hypocalcemia, hypomagnesemia, and normal parathormone levels. Abdominal ultrasound was normal. Magnesium excretion was slightly increased. Considering the consanguinity of the parents and clinical features of the patients, genetic testing of the TRPM6 gene was performed and a novel homozygous mutation was detected as c.3178A>T. He was started on magnesium and calcium supplementation and he is symptom-free for 1 year. We would like to call attention to the measurement of serum magnesium levels in children with hypocalcemic convulsions. Early and appropriate treatment with magnesium supplementation is crucial.
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Calcio/administración & dosificación , Hipocalcemia/etiología , Magnesio/sangre , Hipotonía Muscular/etiología , Convulsiones/etiología , Calcio/sangre , Humanos , Hipocalcemia/sangre , Hipocalcemia/diagnóstico , Hipocalcemia/tratamiento farmacológico , Lactante , Magnesio/administración & dosificación , Masculino , Hipotonía Muscular/sangre , Hipotonía Muscular/diagnóstico , Hipotonía Muscular/tratamiento farmacológico , Fenobarbital/uso terapéutico , Convulsiones/sangre , Convulsiones/diagnóstico , Convulsiones/tratamiento farmacológico , Resultado del TratamientoRESUMEN
BACKGROUND: The aim of this study was to identify the cut-offs of postnatal anteroposterior renal pelvic diameter (APRPD), according to the urinary tract dilation (UTD) classification system, to identify the predictors of final diagnosis of UTD and the need for surgery. METHODS: A total of 260 infants (336 renal units) with prenatally detected UTD were prospectively evaluated on serial ultrasonography by the same radiologist. Additional voiding cystourethrography and scintigraphy was done according to the clinical algorithm. RESULTS: Prenatal and postnatal APRPD in patients with transient dilation were significantly lower than in those with urinary tract anomalies (UTA). On follow up, the slope of decrease in APRPD was significantly higher in transient dilation compared with UTA. APRPD 10 mm at first-month ultrasonography, predicted UTA with a sensitivity of 83.1%, and specificity of 71.1%. On multivariate analysis the likelihood of surgical intervention and final diagnosis were predicted independently by the UTD system risk group. CONCLUSIONS: Careful ultrasonography evaluation can avoid unnecessary testing in patients with transient or clinically insignificant dilation. The UTD classification system is valid for evaluation of postnatal hydronephrosis and is reliable in predicting the need for surgical intervention.
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Pelvis Renal/diagnóstico por imagen , Ultrasonografía/métodos , Anomalías Urogenitales/diagnóstico por imagen , Dilatación Patológica , Femenino , Humanos , Lactante , Recién Nacido , Pelvis Renal/anomalías , Masculino , Embarazo , Estudios Prospectivos , Sensibilidad y Especificidad , TurquíaRESUMEN
BACKGROUND: During erythropoietin-stimulating agent (ESA) treatment, hemoglobin (Hb) levels usually fluctuate; this phenomenon is known as "Hb cycling (HC)." In this study, we aimed to evaluate the predictors of HC and its impact on left ventricular hypertrophy (LVH) as a patient-important outcome parameter in pediatric dialysis patients. METHODS: Records of patients followed up in nine pediatric nephrology centers between 2008 and 2013 were reviewed. More than 1 g/dL decrease or increase in Hb level was considered as HC. Patients were divided into two groups according to 12-month Hb trajectory as rare cycling (RC) (≤ 3) and frequent cycling (FC) (> 3 fluctuation) as well as three groups based on T-A-Hb levels: < 10, 10-11, and > 11 g/dL. RESULTS: Two hundred forty-five dialysis (160 peritoneal dialysis (PD) and 85 hemodialysis (HD)) patients aged 12.3 ± 5.1 (range 0.5-21) years were enrolled in this study. Fifty-two percent of the patients had RC, 45% had FC, and only 3% had no cycling. There were no differences between HC groups with respect to age, dialysis modality, having anemia, hospitalization rate, residual urine volume, and mortality. Although left ventricular mass index (LVMI) tended to be higher in RC than FC group (65 ± 37 vs 52 ± 23 g/m2.7, p = 0.056), prevalence of LVH was not different between the groups (p = 0.920). In regression analysis, FC was not a risk factor for LVH, but low T-A Hb level (< 10 g/dL) was a significant risk for LVH (OR = 0.414, 95% CI 0.177-0.966, p = 0.04). The target Hb levels were more often achieved in PD patients, and the number of deaths was significantly lower in non-anemic patients (Hb level > 11 g/dL). CONCLUSION: Hb cycling is common among dialysis patients. Severity of anemia rather than its cycling has more significant impact on the prevalence of LVH and on inflammatory state.
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Anemia/diagnóstico , Hematínicos/administración & dosificación , Hemoglobinas/análisis , Hipertrofia Ventricular Izquierda/epidemiología , Insuficiencia Renal Crónica/terapia , Adolescente , Adulto , Anemia/sangre , Anemia/etiología , Niño , Preescolar , Ecocardiografía , Femenino , Estudios de Seguimiento , Hemoglobinas/efectos de los fármacos , Humanos , Hipertrofia Ventricular Izquierda/sangre , Hipertrofia Ventricular Izquierda/diagnóstico por imagen , Hipertrofia Ventricular Izquierda/etiología , Lactante , Masculino , Prevalencia , Diálisis Renal/efectos adversos , Insuficiencia Renal Crónica/sangre , Estudios Retrospectivos , Factores de Riesgo , Índice de Severidad de la Enfermedad , Resultado del Tratamiento , Adulto JovenRESUMEN
Familial Mediterranean fever (FMF), the most common hereditary autoinflammatory disorder is characterized by recurrent episodes of fever, serositis, arthritis. The major long-term result is amyloidosis. Colchicine remains the principle of the treatment; it not only prevents the acute attacks but also prevents the long-term complications such as amyloidosis; 5-10% of the patients are unresponsive to treatment. Recently new therapeutic options as anti-interleukin 1 agents are successfully used for the patients who do not respond to colchicine treatment. In this study, we retrospectively evaluated 11 pediatric colchicine-resistant FMF patients who were treated with canakinumab. Three of the patients had amyloidosis and two had uveitis. Based on our results, we suggest that canakinumab may be a safe and effective therapy in patients who are resistant to colchicine and even in the patients with amyloidosis. We also suggest that canakinumab might be a safe option for the patients with uveitis.
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Anticuerpos Monoclonales/uso terapéutico , Fiebre Mediterránea Familiar/tratamiento farmacológico , Factores Inmunológicos/uso terapéutico , Adolescente , Factores de Edad , Amiloidosis/etiología , Anticuerpos Monoclonales/efectos adversos , Anticuerpos Monoclonales Humanizados , Niño , Colchicina/uso terapéutico , Resistencia a Medicamentos , Fiebre Mediterránea Familiar/complicaciones , Fiebre Mediterránea Familiar/diagnóstico , Humanos , Factores Inmunológicos/efectos adversos , Insuficiencia Renal Crónica/etiología , Estudios Retrospectivos , Factores de Tiempo , Resultado del Tratamiento , Turquía , Uveítis/etiologíaRESUMEN
BACKGROUND: The optimal time for dialysis initiation in adults and children with chronic kidney disease remains unclear. The aim of this study was to evaluate the impact of dialysis timing on different outcome parameters, in particular left ventricular (LV) morphology and inflammation, in pediatric patients receiving peritoneal dialysis and hemodialysis. METHODS: The medical records of pediatric dialysis patients who were followed-up in nine pediatric nephrology centers in Turkey between 2008 and 2013 were retrospectively reviewed. In addition to demographic data, we retrieved anthropometric measurements, data on dialysis treatment modalities, routine biochemical parameters, complete blood count, serum ferritin, parathormone, C-reactive protein (CRP), and albumin levels, as well as echocardiographic data and hospitalization records. The patients were divided into two groups based on their estimated glomerular filtration rate (eGFR) levels at dialysis initiation, namely, an early-start group, characterized by an eGFR of >10 ml/min/1.73 m2, and a late-start group, with an eGFR of < 7 ml/min/1.73 m2. The collected data were compared between these groups. RESULTS: A total of 245 pediatric dialysis patients (mean age ± standard deviation 12.3 ± 5.1 years, range 0.5-21 years) were enrolled in this study. Echocardiographic data were available for 137 patients, and the mean LV mass index (LVMI) was 58 ± 31 (range 21-215) g/m2.7. The LVMI was 75 ± 30 g/m2.7(n = 81) and 34 ± 6 g/m2.7(n = 56) in patients with or without LV hypertrophy (LVH) (p < 0.001). Early-start (eGFR >10 ml/min/1.73 m2) versus late-start dialysis (eGFR < 7 ml/min/1.73 m2) groups did not significantly differ in LVMI and LVH status (p > 0.05) nor in number of hospitalizations. Serum albumin levels were significantly higher in the early-dialysis group compared with the late-dialysis group (3.3 ± 0.7 vs. 3.1 ± 0.7 g/dl, respectively; p < 0.05). The early-start group had relatively higher time-averaged albumin levels (3.2 ± 0.5 vs. 3.1 ± 0.5 g/dl; p = > 0.05) and relatively lower CRP levels (3.64 ± 2.00 vs. 4.37 ± 3.28 mg/L, p > 0.05) than the late-start group, but these differences did not reach statistical significance. CONCLUSION: Although early dialysis initiation did not have a significant effect on important clinical outcome parameters, including LVH, inflammatory state, and hospitalization, in our pediatric dialysis patients, this area of study deserves further attention.