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1.
J Biol Regul Homeost Agents ; 33(5 Suppl. 1): 3-5. Special Issue: Focus on Pediatric Nephrology, 2019.
Article in English | MEDLINE | ID: mdl-31630706

ABSTRACT

Diabetes insipidus (DI) is characterized by hypoosmotic polyuria related to deficiency of arginine-vasopressin (AVP) secretion (centraldiabetesinsipidus, CDI) or renalinsensitivity to AVP (nephrogenicdiabetesinsipidus, NDI). We report a case of a child with congenital NDI.


Subject(s)
Diabetes Insipidus, Nephrogenic/congenital , Electrolytes/analysis , Failure to Thrive , Child , Humans , Polyuria
2.
J Biol Regul Homeost Agents ; 33(5 Suppl. 1): 7-11. Special Issue: Focus on Pediatric Nephrology, 2019.
Article in English | MEDLINE | ID: mdl-31630707

ABSTRACT

The purpose of this article is to review the main congenital anomalies of kidneys and urinary tract that can be diagnosed prenatally and postnatally by imaging technique. The incidence of congenital anomalies of the kidney and urinary tract during the past decade has been estimated to be 0.4 to 4.0 cases per 1000 births. Congenital kidney disease can evolve in chronic disease in childhood and in adulthood. A diagnostic imaging of the various congenital renal and urological conditions allows pediatricians to make a correct diagnosis and treatment. Because of the concerns about long-term effects of ionizing radiation, the most commonly and first used imaging modality for evaluation of the urinary system is ultrasound.


Subject(s)
Kidney Diseases/congenital , Kidney Diseases/diagnostic imaging , Kidney/pathology , Urinary Tract/pathology , Humans , Infant, Newborn , Kidney/diagnostic imaging , Pediatrics , Urinary Tract/diagnostic imaging
3.
J Biol Regul Homeost Agents ; 33(5 Suppl. 1): 39-44. Special Issue: Focus on Pediatric Nephrology, 2019.
Article in English | MEDLINE | ID: mdl-31630712

ABSTRACT

Urolithiasis is a well-known condition that can affect any part of the urinary tract. With a rate of 3-5% the incidence of upper urinary tract for long has been higher in adults (1-3), but recently it has increased among children reaching 3,3% . Indeed, more than 1% of all urinary stones are seen in patients aged less than 18 years (4). Pediatric urolithiasis is endemic in Turkey and Far East and it is probably due to malnutrition and racial factors (5). The spontaneous stone passage is more likely in children than in adults, indeed ureteral calculi spontaneously pass into 41-63% of children (1). Rate of stone passage depends on size and stone location in the urinary system. Stones sized less than 5 mm have a passage rate ranging from 40% to 98%, whilst stones > 5 mm have between 55% and 50% (6). In the last decade, the use of alpha blockers has proven well efficacious in helping spontaneous passage of distal ureteric stones in adults (7-9). The latest EAU guidelines support their use in adults while remain vague about their use in children because of unclear safety and efficacy (4). In search of evidence supporting or not the use of medical expulsive therapy in children we reviewed the literature dealing with the management of urolithiasis in pediatric patients. The primary aim of the present study was to evaluate the efficacy of medical expulsive therapy (MET), defined as stone expulsion rate, with a-blockers compared to a control group. The secondary aim was to assess the safety, defined as side effects rate, of MET compared to a control group.


Subject(s)
Ureteral Calculi/therapy , Urolithiasis/therapy , Adrenergic alpha-Antagonists/therapeutic use , Child , Child, Preschool , Humans
4.
J Biol Regul Homeost Agents ; 33(5 Suppl. 1): 33-37. Special Issue: Focus on Pediatric Nephrology, 2019.
Article in English | MEDLINE | ID: mdl-31630711

ABSTRACT

We report our experience in conservative management of patients with prenatal and neonatal diagnosis of severe bilateral ureteropelvic junction obstruction (UPJO), focusing on the actual predictors of renal function impairment or spontaneous resolution. Between 1996 and 2006, 20 patients with bilateral severe hydronephrosis related to UPJO were included in the study. Indications for surgery were an increased hydronephrosis, decreased renal function, onset of symptoms. Conservatively treated patients were followed up for 3 months to 10 years with renal ultrasound, DTPA diuretic, urine culture. At first renal scan, 22 out of 40 renal units had a poor, 10 an intermediary and 8 a good drainage. Pyeloplasty was required in 10 of the 40 kidneys, while 30 out of 40 kidneys were followed conservatively. At the end of follow up, sieric normalized creatinine and estimated glomerular filtration rate were normal in all patients. Our data showed that bilateral severe hydronephrosis related to UPJO can be safely managed in a similar manner of a unilateral case. A poor drainage could be considered a negative predictive factor in the feasibility of a conservative management.


Subject(s)
Hydronephrosis/congenital , Hydronephrosis/therapy , Ureteral Obstruction , Conservative Treatment , Humans , Kidney Pelvis/pathology
5.
J Biol Regul Homeost Agents ; 33(5 Suppl. 1): 79-85. Special Issue: Focus on Pediatric Nephrology, 2019.
Article in English | MEDLINE | ID: mdl-31630719

ABSTRACT

Obesity in children has been recognized as a major underlying factor of the pathogenesis of several diseases and a reduced life expectancy. This study aims to verify if clinical parameters, such as waist circumference and/or body mass index and biohumoral and inflammatory parameters can help predict cardiac structural and functional alterations, through an echocardiogram test in obese children and adolescents. Children were prospectively enrolled at the AUOC outpatients' department of Emergency Paediatrics, University Hospital, Messina, from June to December 2017. Clinical, metabolic parameters and an inflammation marker (HMGB1) were evaluated and a transthoracic echocardiogram was carried out. Twenty-two obese subjects were prospectively enrolled.HMGB1 values were 12.6 ± 2ng/ml, significantly higher compared to a previously studied healthy control group. A significant positive correlation was found both between total cholesterol levels and HMGB1 values (r=0.846, p=0.000) and between LDL cholesterol and HMBG1 values (r=0.663, p=0.001). No correlation was found between clinical, biohumoral and echocardiograph parameters. In obese children cardiac parameters obtained from echocardiogram tests may be in the normal range. However, other parameters may be altered in the early phase, showing that infantile obesity can compromise myocardial functions, even in the absence of comorbidities. Furthermore, the evaluation of concentrations of HMBG1 could explain how an initial inflammation can trigger the condition of meta-inflammation.


Subject(s)
Heart Diseases/complications , Pediatric Obesity/complications , Adolescent , Body Mass Index , Child , Cholesterol, LDL/blood , HMGB1 Protein/blood , Humans , Preliminary Data , Prospective Studies , Waist Circumference
6.
Int J Immunopathol Pharmacol ; 29(4): 707-711, 2016 Dec.
Article in English | MEDLINE | ID: mdl-27272160

ABSTRACT

We reported a case of an 11-year-old girl admitted to our hospital for goiter, tachycardia, sweating, and visible and palpable thyroid. Thyroid function tests revealed a low thyrotropin level (<0.004 mIU/L) and elevated free thyroxine level (3.4 ng/ dL) diagnosed with Graves' disease and treated with methimazole. This anti-thyroid drug is recommended as first-line treatment in children with Graves' disease because it produces minor adverse effects with respect to propylthiouracil. She developed a lateralized exanthem mimicking figurate inflammatory dermatosis of infancy after methimazole therapy. The symptoms resolved after discontinuation of methimazole and treatment with an antihistamine and a corticosteroid. Furthermore, the treatment was changed to propylthiouracil without any adverse effects. According to current literature this is the first case of cutaneous figurate erythema related to methimazole, different from other well-known reactions such as skin eruption or urticaria.


Subject(s)
Exanthema/chemically induced , Inflammation/chemically induced , Methimazole/adverse effects , Skin Diseases/chemically induced , Child , Female , Graves Disease/drug therapy , Humans , Methimazole/therapeutic use , Thyroid Gland/drug effects
7.
J Biol Regul Homeost Agents ; 30(4): 1131-1136, 2016.
Article in English | MEDLINE | ID: mdl-28078864

ABSTRACT

Human herpesviruses-6 and -7 (HHV-6 and 7) are considered uncommon causes of central nervous system infection and may occasionally cause encephalitis in young infants, however, the clinical syndrome and incidence are not well defined. In immunosuppressed hosts, reactivation is associated with a worse outcome such as encephalitis, hepatitis, or graft rejection. In immunocompetent hosts, this persistent infection is generally of no consequence. We report 4 cases of immunocompetent critically ill children, affected by HHV-6 and -7 encephalitis, admitted to our Pediatric Intensive Care Unit. In three patients, herpesvirus polymerase chain reaction in blood and cerebrospinal fluid was positive for HHV- 6, while one patient was positive for HHV-7. In our cases, a typical clinical picture of viral infection was not present but neurological symptoms were predominant. In all 4 children, neurological involvement rapidly regressed after acyclovir therapy. In this report, we offer evidence that HHV-6 and -7 primary infections can cause several clinical manifestations, such as encephalitis, also in immunocompetent hosts. In our experience, children with neurological symptoms suggestive of viral encephalitis should be fully investigated for these two viruses.


Subject(s)
Encephalitis, Herpes Simplex/virology , Acyclovir/therapeutic use , Adolescent , Antiviral Agents/therapeutic use , Child, Preschool , DNA, Viral/analysis , Encephalitis, Herpes Simplex/drug therapy , Female , Herpesvirus 6, Human , Herpesvirus 7, Human , Humans , Infant , Male , Polymerase Chain Reaction
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