G Bona

Universita' degli Studi "Magna Græcia" di Catanzaro, Catanzaro, Calabria, Italy

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Publications (220)452.68 Total impact

  • [Show abstract] [Hide abstract]
    ABSTRACT: We aim to investigate vitamin D (25OHD) levels in children with or without type 1 diabetes (T1D) according to latitude and skin colour. We compared 25OHD levels in children with T1D living in Piedmont, of Caucasian or Moroccan origin, with healthy control subjects matched for age and ethnicity. Data of resident children in Morocco, with and without T1D, were used for comparison. Caucasian (21.4±1.5 vs 24.0±0.5 ng/ml, p<0.05) and Moroccan children with T1D (12.0±2.6 vs 17.1±1.7 ng/ml, p<0.05) living in Piedmont had lower 25OHD levels than their counterparts without diabetes. Moroccan children living in Morocco with and without T1D had similar 25OHD levels. Vitamin D deficiency was associated with T1D in Caucasian and Moroccan children living in Piedmont (OR: 1.720, CI95% 1.034--2.860, p<0.03), CONCLUSIONS: Lower vitamin D levels were associated with T1D in Piedmont. Further studies are necessary to explain a possible relationship between vitamin D and T1D.
    Minerva pediatrica. 01/2015;
  • Minerva pediatrica. 01/2015;
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    ABSTRACT: Obesity in childhood is associated with the presence of complications that can undermine health immediately or in the long term. Several conditions, such as pulmonary or orthopedic complications are strictly associated with the severity of overweight, since they are directly associated to the mechanic stress of fat tissue on the airways or on the bones. Other conditions, such as metabolic or liver complications, although increasing with the extent of overweight, are associated with insulin resistance, which can be modulated by different other factors (ethnicity, genetics, fat distribution) and can occur in overweight children as well. No less important are psychological correlates, such as depression and stigma, which can seriously affect the health related quality of life. Pediatric services for the care of childhood obesity need to be able to screen overweight and obese children for the presence of physical and psychological complications, which can be still reversed by weight loss. This article provides pediatricians a comprehensive update on the main complications in obese children and adolescents and their treatment.
    Minerva pediatrica. 10/2014; 66(5):381-414.
  • S Bellone, L Cavallo, G Bona
    Journal of endocrinological investigation 07/2014; 29(7):579-80. · 1.55 Impact Factor
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    ABSTRACT: The aim of this study is to extend to pre-school ages the Italian Society for Pediatric Endocrinology and Diabetes (SIEDP)-2002 growth charts for height, weight and body mass index (BMI), to obtain charts (SIEDP-2006) that apply to the Italian population from 2 to 20 yr of age, taken as a whole, or separately in two geographical areas (Central-North Italy and South Italy). The charts are based on a sample of about 70,000 subjects attending infant, primary and secondary schools, between 1994 and 2004. The distribution of the sample by gender, age and geographic area was roughly similar to that of Italian school population in the last decade of the 20th century. Height and weight were measured using portable Harpenden stadiometers and properly calibrated scales, respectively. SIEDP-2006 references are presented both as centiles and as LMS curves for the calculation of SD scores, and include the extra-centiles for overweight and obesity. Large differences in BMI growth pattern emerged between the SIEDP-2006, 2000 CDC and UK90 references: in Italy, BMI is higher and its distribution is more skewed during childhood and adolescence. At the end of growth, median values of the three references are similar, but the 97th centile of 2000 CDC charts is much higher and increases more steeply than that of SIEDP-2006 charts, which on the contrary reach a plateau. SIEDP-2006 references intend to supply pediatricians with a tool that avoids the use of charts that are outdated or that refer to other populations, and thus should be suitable for adequately monitoring the growth of their patients.
    Journal of endocrinological investigation 07/2014; 29(7):581-93. · 1.55 Impact Factor
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    ABSTRACT: Vitamin D exerts pleiotropic effects and few studies are available in the Italian population.
    Journal of endocrinological investigation 06/2014; 37(9). · 1.65 Impact Factor
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    ABSTRACT: Mutations affecting exon3 splicing are the main cause of autosomal dominant isolated GH deficiency (IGHDII) by increasing the level of exon 3-skipped mRNA encoding the functionally inactive dominant-negative 17.5-kDa isoform. The exons and introns of the gene encoding GH (GH1) were screened for the presence of mutations in 103 sporadic IGHD cases. Four different variations within exon 3 were identified in three patients. One carried c.261C>T (p.Pro87Pro) and c.272A>T (p.Glu91Val), the second c.255G>A (p.Pro85Pro) and c.261 C>T and the third c.246G>C (p.Glu82Asp). All the variants were likely generated by gene conversion from an homologous gene in the GH1 cluster. In silico analysis predicted that positions c.255 and c.272 were included within two putative novel Exon Splicing Enhancers (ESEs). Their effect on splicing was confirmed in vitro. Constructs bearing these two variants induced consistently higher levels both of transcript and protein corresponding to the 17.5 kDa isoform. When c.255 and c.272 were combined in cis with the c.261 variant, as in our patients, their effect was weaker. In conclusion we identified two variations, c.255G>A and c.272A>T, located in two novel putative ESEs and affecting GH1 splicing in vitro by increasing the production of alternatively spliced isoforms. The amount of aberrant isoforms is further regulated by the presence in cis of the c.261 variant. Thus our results evidenced novel putative splicing regulatory elements within exon 3 confirming the crucial role of this exon in mRNA processing.
    Endocrinology 03/2014; · 4.72 Impact Factor
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    ABSTRACT: The craniopharyngioma is a benign intracranial nonglial tumor derived from a malformation of the embryonic tissue. Represents approximately 6-9% of brain tumors in children. It grows close to the optic nerve, hypothalamus and pituitary. The most frequent histological variety in children is adamantinomatous. The initial symptoms of intracranial hypertension is headache and nausea, followed by visual disturbances, impaired hormonal changes such as the secretion of GH, gonadotropins, TSH and ACTH and central diabetes insipidus. We present the clinical case of MD, 5yrs at age, which shows signs of intracranial hypertension syndrome: neuroradiological findings raise the diagnosis of adamantinomatous craniopharyngioma for which the child underwent to sub-total surgical removal of the lesion and radiosurgery treatment. During the disease develops visual impairment, and secondary diabetes insipidus, hypothyroidism hipocotisolism that takes therapy with desmopressin (Minirin), Cortone acetate and L-tiroxine. For the failure of previous therapies, the child has performed chemotherapy with cisplatin (30 mg/sqm/day) and Etoposide (150 mg/mq/day). A year after the end of the last cycle of chemotherapy was detected new progression of the lesion with the appearance of worsening headache and vomiting in the upright position. TC notes the expansion of the third ventricle and the patient undergoes surgery craniotomy. This clinical case underlines the difficulties in treatment of recurrent craniopharyngioma in situations where the anatomical location do not permit aggressive radical surgery. Anyway, new studies are needed to evaluate the effectiveness of systemic chemotherapy as a method of experimental treatment that could reduce the progression of disease.
    Minerva pediatrica 12/2013; 65(6):673-6. · 0.72 Impact Factor
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    ABSTRACT: Aim: The aim of this paper was to know and analyze information, attitudes and behaviors related with transformations occurring in men when they become fathers. Methods: A self-administered questionnaire has been given out to all men whose newborns were born in the Hospitals located into Borgosesia, Ivrea, Novara, Verbania and Vercelli (Piedmont region in north west of the Italy) in the last quarter of 2006. The questionnaire was created ad hoc and filled out on the day of discharge; results underwent statistical analyses through SPSS system. Results: For the duration of the research, out of 870 men who became fathers in the hospitals were involved in this study, 570 responded voluntarily to the self-administerd questionnaire (65.6% of the total sample). They showed a lack of information about how to take care of their newborns and the emotional turmoil of women after delivery (58% think children are blind when they are born, 52% think it is better to breastfeed newborns at fixed times and 47% ignore that mothers can enter a depression state). Eighty-eight percent of respondents were in the delivery room to see their child's birth, 56% took a leave from job to stay with mother and child in the hospital and 58% of them report the intention to take an additional 2-3 days leave after coming home from the hospital; 27% had trouble sleeping during pregnancy and are afraid not to be good fathers for their child; 90% believe that their newborn will make them change life habits. Most of the new fathers had difficulties in sharing emotions and feelings related with their status of fathers-to-be with other men. Some of these results are significantly different in older fathers, fathers having their first child and fathers with a lesser level of education. Conclusion: During pregnancy and in the first months after their child is born, fathers-to-be and new fathers must be considered a potential target for educational interventions aiming at promoting their parenting information and reinforcing their positive attitudes and beliefs related with their fathering status.
    Minerva pediatrica 10/2013; 65(5):531-540. · 0.72 Impact Factor
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    ABSTRACT: Patients without spleen or with diminished splenic function are at high risk (10-50 times higher than in normal population) of developing life-threatening infections (OPSI). Mortality from OPSI is estimated at 50 to 80% of cases. More frequent causative agents are encapsulated bacteria: Streptococcus Pneumoniae, Haemophilus influenzae type b and Neisseria Meningitidis. The risk of OPSI can be reduced by immunizing patients against these pathogens and by prescribing antibiotic prophylaxis. Continuous antibiotic prophylactic for 2-5 years after splenectomy (longer periods might expose the patients to the risk of antibiotic resistance) with penicillin or amoxicillin/clavulanate acid is mandatory. Asplenic individuals should take empirical antibiotic therapy - so called "self-treatment" - and immediate medical consultation in presence of febrile illness. All patients and their parents should be carefully educated about the risk of infections in order to obtain a good long-term compliance with these recommendations.
    Minerva pediatrica 08/2013; 65(4):427-445. · 0.72 Impact Factor
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    ABSTRACT: Background: TSHR is a G-protein-coupled seven transmembrane domain receptor that activates the two major signal transduction pathways: the Gαs/adenylate cyclase and the Gαq/11/phospholipase C pathways. Inactivating mutations in the TSHR gene have been demonstrated to be responsible for subclinical hypothyroidism, a disorder characterized by elevated serum TSH concentrations despite normal thyroid hormones levels. Aim: We identified in a child a nonsense mutation (W520X) in the third transmembrane domain of the TSHR that causes the lack of the C-terminus portion of the receptor. The functional significance of this variation was assessed in vitro. Material/Subject and Methods: The W520X mutation was introduced into the pSVL vector containing the wild-type sequence of TSHR gene. Wild-type and mutated vectors were expressed in CHO cells and cAMP, IP, immunofluorescence and FACS analyses were performed. Results: Transfection with pSVL-TSHR vector induced basal cAMP and IP production in the absence of TSH stimulation, indicating a constitutive activity for the TSHR. An impairment of receptor function was demonstrated by the observation that cells expressing the mutant TSHR exhibited a lower second messenger production with respect to the wild-type, despite a normal expression of the receptor at the cell surface. Conclusions: The mechanism through which the W520X mutation exerts its effect is more likely haploinsufficiency rather than a dominant-negative effect. This could explain the phenotype of our patient, who has a hormonal pattern in the range of a mild subclinical hypothyroidism, without an overt disease phenotype.
    Journal of endocrinological investigation 04/2013; · 1.65 Impact Factor
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    ABSTRACT: This study was conducted to evaluate the association between pneumococcal DNA load and parapneumonic pleural effusion (PPE) in children with community-acquired pneumonia. Bacterial load was quantified and related to the presence of PPE with or without empyema in 72 otherwise healthy children aged ≤5 years who were hospitalised because of radiographically confirmed CAP and showed a real-time polymerase chain reaction that was positive for Streptococcus pneumoniae. The proportion of children with a high bacterial load (i.e. ≥265 DNA copies/mL) was larger among the subjects with PPE than those without it. Multivariate analysis showed that a high bacterial load was significantly associated with PPE (OR 8.65; 95 % CI 1.10-67.8 vs a bacterial load of <125 copies/mL). Children with infection due to pneumococcal serotype 19A were at highest risk of developing PPE (OR 7.44; 95 % CI 1.10-50.4 vs all other typeable serotypes). The patients with CAP due to pneumococcal serotypes that are not included in the 13-valent conjugate vaccine (PCV13) were more frequently affected by PPE than those with infections associated with serotypes included in the vaccine, except for serotype 19A. Bacterial loads of ≥265 DNA copies/mL are significantly associated with PPE, and serotype 19A is significantly associated with a high bacterial load and the development of PPE. The mean bacterial load of the patients with empyema was higher than that of patients with simple PPE. Although further studies are required, it seems that serotypes not included in PCV13 can play a major role in causing a higher bacterial load and PPE.
    European Journal of Clinical Microbiology 01/2013; 32(7). · 3.02 Impact Factor
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    ABSTRACT: An increased prevalence of depression, emotional lability, decreased energy levels, and poor quality of life have been reported in adults with GH deficiency (GHD). The impairment of psychological parameters depends on the aetiology of GHD and the presence of other pituitary hormone deficiencies because of hormonal effects on neural cell metabolism. Cognitive dysfunctions appear to be specifically related to GHD itself, whereas the lower emotional well-being and reduced motor performance are attributed to other pituitary hormone deficiencies. Traumatic Brain Injury causes very often hypopituitarism and GHD as well as other many psychological symptoms: cognitive impairment, sleeping disorders, and depression. Many neurobehavioral symptoms of postconcussion syndrome (PCS) are the same suffered by adult GHD and hypopituitaric patients but there are no data about the occurrence of hypopituitarism in PCS. In some studies treatment with rhGH is reported to have a beneficial effect and GHD could contribute itself to the global impairment of psychological dysfunctions. The link between psychosocial impairments and GHD is not fully understood. The effects of long-term rhGH therapy on cognitive functions are largely unknown. Thus, long-term placebo-controlled double-blind studies are required to investigate whether psychological dysfunctions are reversible on GH substitution.
    Panminerva medica 12/2012; 54(4):323-31. · 2.28 Impact Factor
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    ABSTRACT: BACKGROUND: To establish the rate of agreement in predicting metabolic syndrome (MS) in different pediatric classifications using percentiles or fixed cut offs, as well as exploring the influence of cholesterol. Subjects and methods. Cross sectional study in a tertiary care center. 923 obese children and adolescents were evaluated for metabolic characteristics, cholesterol levels, the agreement rate and prevalence of MS across age subgroups with pediatric NCEP ATPIII and IDF classifications. RESULTS: The overall prevalence of MS was 36.2% and 56.7% with NCEP ATPIII and IDF. The overall concordance was fair (k: 0.269), with substantial values observed only in children older than 10 (k: 0.708) and 16 years (0.694). Concordant subjects for both classifications, ≤ 6 years, had higher triglycerides, blood pressure (p < 0.05) and lower HDL cholesterol (p < 0.0001), with respect to those found to be discordant. Concordant subjects ranging 6-10 yrs had all parameters higher than those discordant for IDF (p < 0.01) and insulin resistance (p < 0.05) than those discordant for NCEP ATPIII. Concordant subjects ≥ 10 yrs presented more altered parameters than those included only in NCEP ATPIII (p < 0.05). Overt glucose alterations were uncommon ((7.4%; C.I. 95%: 0.114.9%), although glucose was moderately higher in MS subjects (p < 0.01). Total and LDL cholesterol was moderately higher in MS subjects (p < 0.01). Total and LDL cholesterol was lower in subjects wtih MS than in those without (p < 0.05), and in concordant rather than discordant subjects (p < 0.05). CONCLUSIONS: Classifications of MS do not identify the same pediatric population. Subjects who satisifed any classification were the most compromised. Lipid alterations were precocious in the youngest. Obese youths with MS presented lower total and LDL cholesterol.
    Journal of endocrinological investigation 11/2012; · 1.65 Impact Factor
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    ABSTRACT: To assess the incidence of abnormal neuroendocrine function post-traumatic brain injuriy (TBI) in a large group of paediatric patients and its correlations with clinical parameters (Glasgow coma scale-GCS, Glasgow outcome scale-GOS, TC marshall scale, height velocity). We evaluated 70 patients [58 M, 12 F; age at the time of TBI (mean ± SEM) 8.12 ± 4.23 years] previously hospitalized for TBI at the "Regina Margherita" Hospital, in Turin and "Maggiore della Carità Hospital" in Novara, Italy, between 1998 and 2008. All patients included underwent: auxological, clinical, hormonal and biochemical assessments at recall (after at least 1 year from TBI to T0); auxological visit after 6 months (T6) and hormonal assessments at 12 months (T12) in patients with height velocity (HV) below the 25th centile. At T0, 4 cases of hypothalamus-pituitary dysfunction had been diagnosed; At T6 20/70 patients had an HV <25th centile, but no one had HV < the 3rd centile limit. At T12, among the 20 patients with HV <25th centile, in 13 patients the HV was below the 25th centile and GHRH + Arginine test has been performed. Four subjects demonstrated an impaired GH peak and were classified as GH deficiency (GHD). Of these 4 subjects, 3 subjects showed isolated GHD, while one patient showed multiple hypopituitarism presenting also secondary hypocortisolism and hypothyroidism. The GCS at admission and GOS do not correlate with the onset of hypopituitarism. A simple measurement of the height velocity at least 1 year after the TBI, is enough to recognize patients with a pituitary impairment related to GH deficiency. We suggest to follow-up paediatric population who had TBI with auxological evaluations every 6 months, limiting hormonal evaluation in patients with a reduction of height velocity below the 25th centile limit.
    Pituitary 11/2012; · 2.22 Impact Factor
  • G Bona, C Guidi
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    ABSTRACT: Neisseria meningitidis is a leading cause of bacterial sepsis and meningitis worldwide. Invasive meningococcal disease (IMD) can develop rapidly and is associated with high mortality and morbidity. Case fatality in developed countries averages 10% and higher rates are reported in less prosperous regions. The incidence of invasive disease due to Neisseria meningitidis is highly variable according to geographical area and serogroup distribution. The major disease burden is in developing countries; in industrialized countries meningococcal disease occurs sporadically and most IMD is caused by serogroups B and C. In the US serogroup Y is a major cause of meningococcal disease, accounting for more than one third of cases. Polysaccharide vaccines against serogroups A, C, W-135, and Y were developed but they were not so effective in protecting infants, who are at particularly high risk from invasive meningococcal infections. Conjugation of bacterial capsular polysaccharide to a carrier protein generates a T cell dependent immune response and immunological memory from infancy. After the introduction of serogroup C meningococcal conjugate vaccines since 1999, the incidence of serogroup C disease fell dramatically in countries in which they have been used. The first quadrivalent meningococcal conjugate vaccine (MenACWY-D) was licensed in the US in 2005. More recently, another tetravalent meningococcal conjugate vaccine (MenACWY-CRM, Menveo) was licensed in Europe and the US. Although polysaccharide and glycoconjugate vaccines have been developed for serogroups A, C, Y and W-135, currently there are no broadly effective vaccines available for the prevention of meningococcal B disease.
    Journal of preventive medicine and hygiene 09/2012; 53(3):131-5.
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    Journal of endocrinological investigation 02/2012; 35(2):224-6. · 1.65 Impact Factor
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    ABSTRACT: Ghrelin is a peptide with multiple functions that circulates in acylated (AG) and unacylated (UAG) forms. However, the role of ghrelin in neonates (NN) remains to be clarified. The aim of this study was to determine ghrelin concentrations of the two forms in NN to clarify their biological roles. As such, ghrelin levels at birth were compared with those in later life. Tertiary Care Center. In this cross-sectional study, we evaluated AG, UAG, AG/UAG ratio, and insulin levels in venous cord blood from NN and in fasted normal weight (NW) and obese (OB) children, both prepubertal and pubertal. We studied 82 NN, 82 NW, and 58 OB children. AG levels were lower in NN than in NW and OB children (P<0.0001), more specifically the prepubertal NW and OB children (P<0.0001). UAG levels were higher in NN than in NW and OB children (P<0.0001). Therefore, the AG/UAG ratio was lower in NN than in NW and OB children (P<0.0001). NN showed insulin levels similar to NW and lower than OB children (P<0.0001). At birth UAG was positively correlated with AG (Pearson: 0.425; P<0.0001) and negatively with insulin (-0.253; P<0.02). In NW and OB, UAG and AG were positively correlated to each other and negatively correlated with insulin and body mass index (-0.566; P<0.0001). NN compared with children, showed higher UAG and lower AG levels. The AG/UAG ratio showed a very different profile in NN, being lower than in NW and OB children, thus suggesting a different metabolic function for the two forms in NN. Further studies are needed to clarify the exact role of the different ghrelin forms in NN.
    European Journal of Endocrinology 01/2012; 166(1):115-20. · 3.69 Impact Factor
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    ABSTRACT: The 22q11.2 microdeletion produces many syndromes, characterized by similar phenotypical features. The most known syndromes are: the DiGeorge syndrome, the velocardiofacial syndrome, the conotruncal anomaly face syndrome. The hallmark features are represented by cardiac anomalies, palate defects, immune and cognitive deficiencies, facial dysmorphisms. Less common disorders include: genito-urinary abnormalities, visual defects, autoimmune disorders and pituitary anomalies, being the last represented by growth hormone and/or insulin growth factor-I deficiency. We present the case of a 8 years old male admitted to our Division for failure to thrive. We found growth hormone deficiency and pituitary hypoplasia associated with some of the anomalies shown above, thus we suspected and confirmed the 22q11.2 deletion syndrome. In literature few cases of associated 22q11.2 deletion syndrome with growth hormone deficiency are described, while short stature between children with and children without cleft palate is reported to be more frequent in the first ones, suggesting that the 22q11.2 deletion syndrome remains undetected in many affected children and that the growth hormone deficiency prevalence in affected children has to be investigated. The wide phenotypical presentation of 22q11.2 deletion syndrome requires a multidisciplinary approach to the affected subject and, from the auxologic point of view, is good to monitoring the growing trend and, if short stature is present, check for the growth hormone deficiency.
    Minerva pediatrica 12/2011; 63(6):527-31. · 0.72 Impact Factor
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    ABSTRACT: Fabry disease, a rare X-linked lysosomal storage disorder, is caused by deficiency of the enzyme α-galactosidase A. The incidence, ranging from one over 40 000 to one over 11 7000 worldwide is probably underestimated due to its unspecific pattern of presentation. The symptoms, including neurological, gastrointestinal, renal, ophthalmological and dermatologic manifestations, start in childhood and adolescence, cause a significant morbidity and are likely to affect the patient's quality of life. Furthermore, Anderson-Fabry disease always progress leading to a multiorgan dysfunction and life-threatening complications with end-stage renal disease, cardiomyopathy and high incidence of stroke. The estimated life in untreated patients is reduced by 15-20 years respectively in men and women. The enzyme replacement therapy, available in Europe from 2001, results in a reduction of major organs failure, morbidity and mortality. We present the case of an 8-year-old male admitted to our Division for overweight with a previous history of acroparesthesias, severe acute pain in hands and feet, abdominal pain, diarrhoea, constipation, bitemporal headache, dyshidrosis, recurrent fever, exercise intolerance and reduced quality of life. The physical examination was within normal limits. The α-galactosidase A activity was deficient in plasma and normal in peripheral leukocytes; the GLA gene showed a nucleotide substitution c.352C>T (p.Arg 118 Cys) in the eson 2 with a residual enzyme activity of the 29% suggesting the diagnosis of Fabry disease. Blood and urine chemistry, the slit-lamp examination and MRI of kidneys, heart and brain excluded any major organ involvement. The enzyme replacement therapy was then started almost three months ago using agasidase alfa at a dose of 0.2 mg/kg infused intravenously every two weeks but, unfortunately, no relief in the symptoms have been reported so far without any severe adverse reactions. This case report aims to point out the importance of an early diagnosis in order to prevent the progression of the disease, the multiorgan failure and to improve the long-term prognosis.
    Minerva pediatrica 10/2011; 63(5):425-30. · 0.72 Impact Factor

Publication Stats

984 Citations
452.68 Total Impact Points


  • 2013
    • Universita' degli Studi "Magna Græcia" di Catanzaro
      Catanzaro, Calabria, Italy
  • 1998–2013
    • Amedeo Avogadro University of Eastern Piedmont
      • Clinica Pediatrica
      Novara, Piedmont, Italy
    • Università Politecnica delle Marche
      • Department of Agricultural, Food and Environmental Sciences
      Ancona, The Marches, Italy
    • University of Milan
      Milano, Lombardy, Italy
  • 2011
    • Università degli Studi di Milano-Bicocca
      Milano, Lombardy, Italy
  • 2008
    • Ospedale Centrale di Bolzano
      Bozen, Trentino-Alto Adige, Italy
  • 2007
    • Policlinico San Matteo Pavia Fondazione IRCCS
      Ticinum, Lombardy, Italy
  • 2000–2007
    • Azienda Ospedaliero Universitaria Maggiore della Carità
      • Department of Pediatrics
      Novara, Piedmont, Italy
  • 1994–2005
    • Ospedale Infantile Regina Margherita Sant Anna
      Torino, Piedmont, Italy
  • 2004
    • Università degli Studi di Trieste
      Trst, Friuli Venezia Giulia, Italy
  • 1999
    • University of Pavia
      Ticinum, Lombardy, Italy
  • 1988–1999
    • Università degli Studi di Torino
      • • Department of Medical Science
      • • Dipartimento di Scienze Chirurgiche
      Torino, Piedmont, Italy