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Grüneis R, Lamina C, Di Maio S, Schönherr S, Zöscher P, Forer L, Peters A, Gieger C, Köttgen A, Kronenberg F, Coassin S. The effect of the LPA variant P.THR3888PRO on lipoprotein(a) and coronary artery disease is modified by the LPA KIV-2 splice site variant 4925g>A. Atherosclerosis 2022. [DOI: 10.1016/j.atherosclerosis.2022.06.399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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Schachtl-Riess J, Kheirkhah A, Grüneis R, Di Maio S, Schoenherr S, Streiter G, Losso J, Paulweber B, Eckardt KU, Köttgen A, Lamina C, Kronenberg F, Coassin S. Highly frequent variants hidden in the KIV-2 region of LPA regulate lipoprotein(a) concentrations and lower coronary artery disease risk. Atherosclerosis 2021. [DOI: 10.1016/j.atherosclerosis.2021.06.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Di Maio S, Messina G, Burgassi S, Cardaci R, Amodeo D, De Marco F, Serafini A, Lenzi D. Rapid detection of Legionella spp in water samples by ScanVIT method: comparison of acid vs heat treatment. Ann Ig 2020; 32:635-647. [PMID: 33175075 DOI: 10.7416/ai.2020.2385] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
BACKGROUND A rapid detection of Legionella bacteria in water samples is crucial to minimize the risk of acquiring infections, especially in health care facilities. Different detection methods and different decontamination procedures have been reported to affect the recovery of Legionella spp. Our goal was to test the recovery of Legionella pneumophila and Legionella non-pneumophila species using a kit based on non-specific and species-specific probes to treat water samples after two different decontamination procedures. METHODS The study was conducted with samples collected in the teaching hospital "Le Scotte" of Siena (Italy). Waters samples were analyzed by: i) ScanVIT method after treatment with acids; ii) ScanVIT method after heating; and iii) cultural standard method after heating. The results of the decontamination procedures and the detection methods were evaluated by comparing the number of Legionella-positive and -negative samples, and the recovery rates (CFU l-1) obtained by ScanVIT and the standard method. RESULTS We find that ScanVIT method is highly sensitive with both decontamination treatments, yielding a higher recovery of L. pneumophila compared to the standard method. Conversely, ScanVIT associated with the acid-treatment yielded the highest recovery of L. non-pneumophila. CONCLUSIONS The acid-treatment combined to the ScanVIT method increases the recovery of L. non-pneumophila in water samples compared to both ScanVIT associated with heat-treatment and standard culture method. Thus, this method may represent the best choice to detect L. non-pneumophila in water samples and reduce the risk of infection due to underestimation of Legionella loads.
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Affiliation(s)
- S Di Maio
- Department of Molecular and Developmental Medicine, University of Siena, Siena, Italy
| | - G Messina
- Department of Molecular and Developmental Medicine, University of Siena, Siena, Italy
| | - S Burgassi
- Department of Molecular and Developmental Medicine, University of Siena, Siena, Italy
| | - R Cardaci
- Department of Molecular and Developmental Medicine, University of Siena, Siena, Italy
| | - D Amodeo
- Department of Molecular and Developmental Medicine, University of Siena, Siena, Italy
| | - F De Marco
- Medical Management, "Le Scotte" Teaching Hospital, Siena, Ital
| | - A Serafini
- Post Graduate School of Public Health, University of Siena, Siena, Italy
| | - D Lenzi
- Medical Management, "Le Scotte" Teaching Hospital, Siena, Ital
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Spoladore R, Falasconi G, Marcatti M, Di Maio S, Fiore G, Slavich M, Margonato A, Turco A, Fragasso G. Advances in pharmacotherapy for cardiac amyloidosis. Expert Opin Pharmacother 2020; 22:469-481. [PMID: 33043721 DOI: 10.1080/14656566.2020.1836159] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
INTRODUCTION Amyloidosis is a group of progressive and devastating disorders resulting from extracellular deposition of misfolded proteins into tissues. When deposition of fibrils occurs in cardiac tissues, this systemic disease can lead to a very poor prognosis. Systemic amyloidosis can be acquired [light chain (AL) amyloidosis; AA amyloidosis], or hereditary [transthyretin (ATTR) amyloidosis]. Cardiac disease in amyloidosis is usually secondary to a systemic disease. The diagnosis of cardiac involvement is often delayed and yields an adverse prognosis. AREAS COVERED in this review, the authors report current literature on advances in pharmacotherapy for cardiac amyloidosis, mainly focused on AL and ATTR amyloidosis treatment. EXPERT OPINION Most pharmacological trials in amyloidosis patients, both AL and TTR, are directed to study the effects of drugs on polyneuropathy. However, since cardiac involvement carries a prominent negative survival impact in amyloidosis patients, future research should be more focused on amyloidosis cardiomyopathy as primary endpoint. Additionally, in AL amyloidosis therapies are mainly derived from experience on multiple myeloma treatment. In this specific setting, possible future research could particularly focus on immunotherapeutic agents able to optimize the standard chemotherapy results and, thus, allowing a larger population of patients to be treated by bone marrow stem cell transplantation.
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Affiliation(s)
- R Spoladore
- Hypertrophic Cardiomyopathy Unit, IRCCS San Raffaele University Hospital, Milan, Italy.,Clinical Cardiology Unit, IRCCS San Raffaele University Hospital, Milan, Italy
| | - G Falasconi
- Clinical Cardiology Unit, IRCCS San Raffaele University Hospital, Milan, Italy
| | - M Marcatti
- Haematology Unit, IRCCS San Raffaele University Hospital, Milan, Italy
| | - S Di Maio
- Clinical Cardiology Unit, IRCCS San Raffaele University Hospital, Milan, Italy
| | - G Fiore
- Clinical Cardiology Unit, IRCCS San Raffaele University Hospital, Milan, Italy
| | - M Slavich
- Clinical Cardiology Unit, IRCCS San Raffaele University Hospital, Milan, Italy
| | - A Margonato
- Clinical Cardiology Unit, IRCCS San Raffaele University Hospital, Milan, Italy.,Vita-Salute San Raffaele University, Milan, Italy
| | - A Turco
- Division of Cardiology, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - G Fragasso
- Clinical Cardiology Unit, IRCCS San Raffaele University Hospital, Milan, Italy.,Heart Failure Unit, IRCCS San Raffaele University Hospital, Milan, Italy
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Coassin S, Schönherr S, Weissensteiner H, Erhart G, Di Maio S, Forer L, Lamina C, Peters A, Thorand B, Eckardt K, Köttgen A, Utermann G, Specht G, Kronenberg F. A Comprehensive Map Of The Variability In The Lipoprotein(A) Kiv 2 Repeat Region And Follow-Up Of The Kiv-2 Arg20ter Mutation In 11,000 Individuals. Atherosclerosis 2019. [DOI: 10.1016/j.atherosclerosis.2019.06.164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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6
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Di Maio S, Polizzotto G, Planeta D, Oliva D. A Method to Discriminate Between the Candida stellata and Saccharomyces cerevisiae in Mixed Fermentation on WLD and Lysine Agar Media. S AFR J ENOL VITIC 2016. [DOI: 10.21548/32-1-1364] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
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Giaramida P, Ponticello G, Di Maio S, Squadrito M, Genna G, Barone E, Scacco A, Corona O, Amore G, di Stefano R, Oliva D. Candida zemplinina for Production of Wines with Less Alcohol and More Glycerol. S AFR J ENOL VITIC 2016. [DOI: 10.21548/34-2-1095] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
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Di Maio S, Burgassi S, Serafini A, Rosadini D, Lenzi D, Briani S, Nante N, Messina G. A novel method for a quick detection of legionella in water samples. Eur J Public Health 2016. [DOI: 10.1093/eurpub/ckw166.054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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9
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Di Maio S, Genna G, Gandolfo V, Amore G, Ciaccio M, Oliva D. Presence of Candida zemplinina in Sicilian Musts and Selection of a Strain for Wine Mixed Fermentations. ACTA ACUST UNITED AC 2016. [DOI: 10.21548/33-1-1309] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Shakir SI, Pelmus M, Florea A, Boileau JF, Guiot MC, Di Maio S, Muanza TM. Synchronous metastatic skull base chordoma to the breast: case report and literature review. ACTA ACUST UNITED AC 2016; 23:e154-7. [PMID: 27122985 DOI: 10.3747/co.23.2896] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
CLINICAL SCENARIO During routine staging work-up for a left breast mass, a 68-year-old woman complained of dysphagia and dysphonia. During further investigations, a left-sided lesion at the foramen magnum was observed on brain imaging. Both lesions were biopsied and showed a classical chordoma. MANAGEMENT The skull-base lesion and the breast lesion were surgically resected, and adjuvant radiotherapy was given. SUMMARY Chordoma is a rare primary central nervous system tumour that seldom metastasizes. The lung is the most common site of metastasis. Synchronous breast metastasis from a skull-base chordoma is very rare, and a safe management option includes a maximum resection followed by adjuvant radiotherapy.
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Affiliation(s)
- S I Shakir
- Department of Radiation Oncology, Jewish General Hospital, McGill University, Montreal, QC
| | - M Pelmus
- Department of Pathology, Jewish General Hospital, McGill University, Montreal, QC
| | - A Florea
- Department of Pathology, Jewish General Hospital, McGill University, Montreal, QC
| | - J F Boileau
- Department of Surgery, Jewish General Hospital, McGill University, Montreal, QC
| | - M C Guiot
- Department of Pathology, Montreal Neurological Institute, McGill University, Montreal, QC
| | - S Di Maio
- Department of Neurosurgery, Jewish General Hospital, McGill University, Montreal, QC
| | - T M Muanza
- Department of Radiation Oncology, Jewish General Hospital, McGill University, Montreal, QC
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Messina G, Di Maio S, Burgassi S, Cardaci R, Golinelli D, Battaglia MA, Bezzini D, Nante N. A study on hot-beverages vending machines: what do we daily drink? Eur J Public Health 2015. [DOI: 10.1093/eurpub/ckv170.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Messina G, Verzuri A, Rosadini D, Di Maio S, Burgassi S. Radio catalytic ionization: an innovative approach for indoors disinfection. Eur J Public Health 2015. [DOI: 10.1093/eurpub/ckv175.219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Coronella G, Pepino P, Pezzella E, Contaldo A, Provenzano R, Oliviero P, Di Maio S, Schiavone V, Giordano S, Monaco M. Off pump reduction aortoplasty in ascending aortic aneurysm. J Cardiothorac Surg 2013. [PMCID: PMC3844513 DOI: 10.1186/1749-8090-8-s1-o14] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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14
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Di Maio S, Ramamanathan D, Temkin N, Sekhar L. Current Comprehensive Management of Cranial Base Chordomas: 10-Year Meta-Analysis of Observational Studies. Skull Base Surg 2012. [DOI: 10.1055/s-0032-1314090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Romancino DP, Di Maio S, Muriella R, Oliva D. Analysis of non-Saccharomyces yeast populations isolated from grape musts from Sicily (Italy). J Appl Microbiol 2009; 105:2248-54. [PMID: 19120668 DOI: 10.1111/j.1365-2672.2008.03894.x] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
AIMS The aim of this study was to identify the non-Saccharomyces yeast populations present in the grape must microflora from wineries from different areas around the island of Sicily. METHODS AND RESULTS Yeasts identification was conducted on 2575 colonies isolated from six musts, characterized using Wallerstein Laboratory (WL) nutrient agar, restriction analysis of the amplified 5.8S-internal transcribed spacer region and restriction profiles of amplified 26S rDNA. In those colonies, we identified 11 different yeast species originating from wine musts from two different geographical areas of the island of Sicily. CONCLUSIONS We isolated non-Saccharomyces yeasts and described the microflora in grape musts from different areas of Sicily. Moreover, we discovered two new colony morphologies for yeasts on WL agar never previously described. SIGNIFICANCE AND IMPACT OF THE STUDY This investigation is a first step in understanding the distribution of non-Saccharomyces yeasts in grape musts from Sicily. The contribution is important as a tool for monitoring the microflora in grape musts and for establishing a new non-Saccharomyces yeast collection; in the future, this collection will be used for understanding the significance of these yeasts in oenology.
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Affiliation(s)
- D P Romancino
- Istituto di Biomedicina ed Immunologia Molecolare, CNR, Palermo, Italy.
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Abstract
UNLABELLED Primary hypothyroidism is one of the most frequent complications observed in patients suffering from thalassemia. We investigated thyroid function in a group of patients attending the Pediatric Department of Cardarelli Hospital in order to determine in how many patients thyroid function worsened during a 12 year-period of follow up. PATIENTS AND MEASUREMENTS Fifty patients with beta-thalassemia major (27 females and 23 males), mean age 25.7+/-1.4 years, were re-evaluated according to the criteria of Faglia et al. Thyroid dysfunction was defined as follows: overt hypothyroidism (low FT4 and increased TSH levels >10 microU/ml); compensated hypothyroidism (normal FT4, TSH 5-10 microU/ml, and abnormal TRH test); subclinical hypothyroidism (normal FT4, basal TSH 0-5 microU/ml, abnormal TRH test). Correlation with hematological, biochemical and growth parameters was evaluated. RESULTS Ten out of 50 patients evaluated in a previous study had moved to other centers, and four patients had died from cardiac problems. Thus, 36 patients completed a 12 year-period of follow-up. In 25% of the patients the degree of thyroid dysfunction worsened with different degrees of severity. The prevalence of overt hypothyroidism had risen to 13.9% from 8.4%. No cases of secondary hypothyroidism were observed, and anti-thyroglobulin and anti-thyroperoxidase (TPO) antibody titers were negative in all patients. Five (28%) out of 17 patients with normal thyroid function previously (one female, four male) showed an exaggerated TSH response to a TRH test, with normal serum levels of FT4, and they were classified as having subclinical hypothyroidism; while another patient died of cardiac complications. Four out of twelve patients with previous subclinical hypothyroidism showed worsening with a different degree of severity: two females changed to compensated hypothyroidism, and two males to overt hypothyroidism. Furthermore, two out of six patients with compensated hypothyroidism and one out of four patients with overt hypothyroidism died of cardiac failure. In all patients there was no correlation between serum ferritin levels, blood transfusion, pretransfusion Hb levels and worsening of thyroid function. Echographic data showed features of dishomogeneity of the parenchyma with different degrees of severity in accordance with the criteria of Sostre and Reyes. The highest score was observed in all patients with overt and compensated hypothyroidism. CONCLUSIONS A slow worsening of thyroid function was observed in 25% of the studied patients and only two of them developed overt hypothyroidism. The echographic pattern seems to be strongly predictive of thyroid dysfunction.
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Affiliation(s)
- A Filosa
- Pediatric Department, Cardarelli Hospital, Naples, Italy.
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Toscano E, Pacileo G, Limongelli G, Verrengia M, Di Mita O, Di Maio S, Salerno M, Del Giudice E, Caniello B, Calabrò R, Andria G. Subclinical hypothyroidism and Down's syndrome; studies on myocardial structure and function. Arch Dis Child 2003; 88:1005-8. [PMID: 14612370 PMCID: PMC1719338 DOI: 10.1136/adc.88.11.1005] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
BACKGROUND The management of subclinical hypothyroidism (SH) is still controversial, as the benefit to risk ratio of prolonged L-thyroxine therapy is not clear cut. Some authors have shown abnormalities of myocardial function and structure in adults with SH, which could be reversed by L-thyroxine therapy. As SH frequently affects children with Down's syndrome (DS), and almost one half of these are affected by congenital heart disease, a concomitant SH related impairment of cardiac function might further compromise their clinical condition. AIMS To establish whether SH influences myocardial structure and function in children with DS. METHODS Sixteen children with DS and untreated SH and 25 matched euthyroid controls with DS underwent echocardiographic analysis of left ventricular mechanics and tissue characterisation. RESULTS None of the 16 patients had myocardial impairment. CONCLUSION Results suggest that children with DS who have SH are not at risk of cardiac disease. Clinicians should consider these data in the management of SH, as the benefit to risk ratio of prolonged L-thyroxine therapy is not clear cut.
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Affiliation(s)
- E Toscano
- Department of Paediatrics, Federico II University of Naples, Italy
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Salerno M, Amabile G, Mandato C, Di Maio S, Lecora M, Avvedimento EV, Andria G. Growth retardation, developmental delay, distinctive face, multiple endocrine abnormalities, and adenylyl cyclase dysfunction: a new syndrome? Am J Med Genet A 2003; 120A:389-94. [PMID: 12838561 DOI: 10.1002/ajmg.a.20107] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
We report on a 17-year-old male with severe pre- and postnatal growth retardation, craniosynostosis, distinctive facial features, acanthosis nigricans, deafness, mental retardation and progressive multi-organ involvement, particularly of the endocrine system, including hypothyroidism, hypogonadism, transitory hypoparathyroidism, and insulin resistance. In order to find a common mechanism explaining these multiple abnormalities, we searched for a possible defect in the signal transduction pathways from membrane to nucleus involving G-protein coupled receptors (GPCR). Adenylyl cyclase activity was evaluated by assaying c-AMP in the patient's cultured fibroblasts stimulated with several drugs and toxins acting on different effectors upstream of adenylyl cyclase. The preliminary results indicate a reduced cAMP accumulation in the patient, neither caused by constitutive activation of Gi nor inhibition of Gs signaling, and probably resulting from an alteration in the adenylyl cyclase system. The differential diagnosis with syndromes showing common clinical features with our patient is discussed.
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Affiliation(s)
- M Salerno
- Department of Pediatrics, Federico II University, Naples, Italy
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Salerno M, Micillo M, Di Maio S, Capalbo D, Ferri P, Lettiero T, Tenore A. Longitudinal growth, sexual maturation and final height in patients with congenital hypothyroidism detected by neonatal screening. Eur J Endocrinol 2001; 145:377-83. [PMID: 11580992 DOI: 10.1530/eje.0.1450377] [Citation(s) in RCA: 78] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
OBJECTIVE To evaluate longitudinal growth, pubertal development and final height in patients with congenital hypothyroidism (CH) detected by a neonatal screening programme, and to identify factors potentially affecting growth outcome. PATIENTS Fifty-five patients (41 females) detected by neonatal screening and followed longitudinally from the time of diagnosis and treatment (25+/-5 days) up to the age of 17+/-0.5 years were evaluated retrospectively. RESULTS Pubertal development began and progressed normally in both males and females. In boys, a testicular volume of 4 ml was reached at 11.3+/-1.0 years. In girls breast enlargement (B2) occurred at a mean age of 10.3+/-1.2 years and the mean age of menarche was 12.5+/-1.2 years. The onset and the progression of puberty were independent of the aetiology, the severity of CH and the timing of the beginning of treatment. Girls treated with an initial amount of L-thyroxine (L-T4) greater than 8 microg/kg per day showed an earlier onset of puberty (B2 9.4+/-0.9 years; menarche 11.5+/-0.8 years) compared with girls treated with a lower initial dose of L-T4 (B2 10.5+/-1.2 years; menarche 12.6+/-1.2 years; P<0.02). However, both groups attained a similar final height (-0.1+/-1.0 SDS and 0.4+/-1.0 SDS, respectively), which in both cases was above the target height (P=0.03). All the patients in the study attained a mean final height (0.1+/-1.1 SDS) within the normal range for the reference population and above the target height (-0.9+/-0.9 SDS, P<0.0001). No significant relationship was found between final height and severity of CH at diagnosis, initial L-T4 dosage or aetiology of the defect. Patients with ectopic gland, thyroid aplasia or in situ gland attained a similar mean final height (0.1+/-1.1 SDS, 0.5+/-1.0 SDS and -0.5+/-1.0 SDS, respectively), which was in all cases greater than target height (-1.0+/-0.9, -0.6+/-0.8, -0.9+/-0.8 respectively; P<0.05). CONCLUSIONS Our results suggest that conventional management of children with CH detected by neonatal screening leads to normal sexual development and normal adult height, and that the major factor determining height in these children is familial genetic growth potential.
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Affiliation(s)
- M Salerno
- Department of Pediatrics, University of Naples Federico II, Italy.
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Salerno M, Balestrieri B, Matrecano E, Officioso A, Rosenfeld RG, Di Maio S, Fimiani G, Ursini MV, Pignata C. Abnormal GH receptor signaling in children with idiopathic short stature. J Clin Endocrinol Metab 2001; 86:3882-8. [PMID: 11502828 DOI: 10.1210/jcem.86.8.7759] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Peripheral GH insensitivity may underlie idiopathic short stature in children. As the clinical and biochemical hallmarks of partial GH insensitivity have not yet been clearly elucidated, the identification of such patients is still difficult. We integrated functional, biochemical, and molecular studies to define the more reliable marker(s) of GH insensitivity. In particular, we measured GH receptor transducing properties through GH-induced protein tyrosine phosphorylation in patients' peripheral blood mononuclear cells and performed direct sequencing analysis of GH receptor-coding exons. Five of 14 idiopathic short stature patients with low basal IGF-I levels showed low or absent IGF-I increment after 4 d of GH administration. However, a prolonged GH stimulation induced in 3 of them an increase in IGF-I 40% above the baseline value. The IGF-binding protein-3 behavior paralleled that of IGF-I. The 2 GH-unresponsive subjects showed an abnormal tyrosine phosphorylation pattern after GH challenge. Sequence analysis of the GH receptor gene revealed a heterozygous mutation resulting in an Arg to Cys change (R161C) in exon 6 in only 1 patient, who had normal GH receptor responsiveness. Our findings indicate that abnormal GH receptor signaling may underlie idiopathic short stature even in the absence of GH receptor mutations. Thus, combining the 4-d IGF-I generation test and the analysis of GH-induced protein tyrosine phosphorylation is a useful tool to help identify idiopathic short stature patients with partial GH insensitivity.
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Affiliation(s)
- M Salerno
- Department of Pediatrics, Federico II University, 80131 Naples, Italy
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De Luca F, Argente J, Cavallo L, Crowne E, Delemarre-Van de Waal HA, De Sanctis C, Di Maio S, Norjavaara E, Oostdijk W, Severi F, Tonini G, Trifirò G, Voorhoeve PG, Wu F. Management of puberty in constitutional delay of growth and puberty. J Pediatr Endocrinol Metab 2001; 14 Suppl 2:953-7. [PMID: 11529401 DOI: 10.1515/jpem-2001-s207] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Constitutional delay of growth and puberty (CDGP) is the most common presenting form of short stature, but no single test can infallibly discriminate CDGP and isolated hypogonadotrophic hypogonadism. Management of puberty in CDGP aims to optimise not only growth maintaining body proportions and improving peak bone mass without impairing growth potential--but also well-being; for example, the distress boys often suffer because of their lack of growth and pubertal progression can affect their school performance and social relationships. Typical sex steroid treatments to induce puberty in boys with CDGP include testosterone (T) enanthate, T undecanoate, mixed T esters, T transdermal patches, and oxandrolone p.o. Compared with other regimens, short-course low-dose depot T i.m. is an effective, practical, safe, well tolerated, and inexpensive regimen. Some unresolved problems in management include optimal timing and dose of sex steroid treatment, the role of GH in CDGP, and the management of CDGP in girls.
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Affiliation(s)
- F De Luca
- Paediatric Clinic II, University Policlinic-Padiglione NI, Messina, Italy.
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Tatò L, Savage MO, Antoniazzi F, Buzi F, Di Maio S, Oostdijk W, Pasquino AM, Raiola G, Saenger P, Tonini G, Voorhoeve PG. Optimal therapy of pubertal disorders in precocious/early puberty. J Pediatr Endocrinol Metab 2001; 14 Suppl 2:985-95. [PMID: 11529405 DOI: 10.1515/jpem-2001-s211] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
GnRHa have been used in the treatment of central precocious puberty (CPP) for a decade and some final results of this therapy are now available. Treatment preserves height potential in younger patients and a complete recovery of the hypothalamic-pituitary-gonadal axis occurs at the end of treatment. However, some aspects of the management of CPP are still debated. Probably the age limits between normal and precocious puberty have to be lowered, and new diagnostic tools will modify and simplify diagnostic criteria. The possibility of progression of premature thelarche into precocious puberty, the pathogenesis of organic and idiopathic precocious puberty, the criteria for decision to treat and to stop treatment and the utility of an association with GH treatment will be better understood in the future. Follow-up of patients after stopping therapy includes frequency and characteristics of menses, the possible higher incidence of polycystic ovary-like syndrome and the correct achievement of a normal peak bone mass and body composition. In this review we discuss some of these points, with particular attention to precocious puberty in girls.
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Affiliation(s)
- L Tatò
- Pediatric Clinic, University of Verona, Italy.
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Abstract
5 years after a previous study, we followed up a group of thalassemic patients, determining DHEA-S levels in peripubertal age, with the aim of evaluating whether adrenarche maturation occurred in boys and advanced in girls. Furthermore, we evaluated the degree of bone mineral density (BMD SDS(BA)) and analyzed growth parameters calculating standard deviation score with respect to bone age (BA) of height (Ht SDS(BA)), sitting height (SH SDSBA), and subischial leg length (SLL SDSBA), body mass index (BMI) and the difference between the values of the previous and the present study (deltaBMI), thyroid function and serum markers of bone metabolism. Our results showed persistent lack of adrenarche (DHEA-S 25+/-9.5 microg/dl) in all 6 boys and the absence of pubertal signs at chronological age (CA) of 12.4+/-1.4 yr and BA of 11.1+/-1.1 yr. Only one boy, 6 months later, showed a testicular volume of 4 ml (Tanner stage G2) with an increase of DHEA-S value (181 microg/dl) at BA 12.8 yr. Body disproportion and severe degree of osteopenia (BMD SDSBA -2.41+/-0.5) were observed in all boys, even though Ht SDSBA (0.14+/-0.8) and markers of bone metabolism were within the normal range. No change in nutritional status was observed (deltaBMI 0.09+/-0.4 kg/m2). In contrast, all the thalassemic girls had DHEA-S values (172.7+/-97.7 microg/dl) within the normal range at BA 12.7 +/-0.6 yr that was similar to CA. Furthermore, the appearance of Tanner stage B2 occurred in each of them at BA, near to CA, of 10.4+/-0.9 yr, and menarche was observed in three of them at mean BA, near to CA, of 11.4+/-0.9 yr. Ht SDSBA was below normal range (-1.11+/-0.8), but SLL SDSBA and SH SDS(BA) values were reduced homogeneously, so that proportional body growth was observed. A significant change in nutritional status was observed (deltaBMI 2.69+/-0.9 kg/m2). Bone density value (BMD SDS(BA) -0.25+/-0.4) was in the normal range. There were no statistically significant differences between boys and girls for ferritin serum levels, blood consumption and desferrioxamine dosage. In conclusion, lack of change in nutritional status, measurable in the form of deltaBMI, but not BMI alone, considered an important physiological regulator of adrenarche, regardless of individual adrenal androgen secretion, could have a key role in the lack of adrenarche persisting in thalassemic boys during peripubertal age. Further follow up is necessary, in particular when boys reach puberty, because delayed adrenarche represents the most intriguing aspect in these patients.
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Affiliation(s)
- A Filosa
- XXIX Pediatrics Division, Cardarelli Hospital, Naples, Italy.
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Filosa A, Di Maio S, Baron I, Esposito G, Galati MG. Final height and body disproportion in thalassaemic boys and girls with spontaneous or induced puberty. Acta Paediatr 2000; 89:1295-301. [PMID: 11106039 DOI: 10.1080/080352500300002462] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 09/30/2022]
Abstract
UNLABELLED The aim of the study was to evaluate whether sex hormone replacement therapy adversely affected final height and body disproportion in thalassaemic boys and girls. Thirty-six patients with spontaneous (SP) or induced puberty (IP) were studied in order to define the pattern of height growth through three observations: the first (A) at the age of 7-9; the second (B) at onset of spontaneous or induced puberty; and the third (C) when final height was reached. We examined 14 females with SP (f-SP) and 8 with IP (f-IP); 7 males with SP (m-SP) and 7 with IP (m-IP). Girls with IP reached the same final height of girls with SP (f-IP 153.8 (4.3) versus f-SP 154.4 (5.5) cm); p > 0.05) close to target height (f-IP 155.9 (5.2) cm versus f-SP 155.5 (3.6) cm). Girls with IP reached the final height at older chronological age (CA) (17.0 (0.6) y) than girls with SP (CA of 15.3 (0.7) y), but at the same bone age (BA) (f-IP 15.1 (0.9) y versus f-SP 14.8 (0.6) y). There was no difference between the two groups for pubertal growth (f-SP 16.2 (7.7) cm versus f-IP 12.2 (7.4) cm (p > 0.05)) that was negatively correlated with both prepubertal growth and BA at onset of puberty in both groups. Values of sitting height (sds) with respect to BA (SHsdsBA) were not significantly different between the two groups, and showed a worsening from the first observation to final height, reaching values around -2 SD, in both groups. Values of subischial leg length (sds) with respect to BA (SLLsdsBA) were in the normal range at both observations in all girls. High serum ferritin levels were observed in both groups (f-SP 3189 (2296) ng/ml and f-IP 3998 (2545) ng/ml; p > 0.05). Also boys with induced puberty reached the same final height of those with spontaneous one (m-IP 160.9 (5.5) cm versus m-SP 161.8 (2.4) cm; p > 0.05), but it was lower than target height in both groups (m-IP 168.1 (4.1) cm versus m-SP 169.6 (3.2) cm). Boys with IP reached final height at CA of 18.6 (1.1) y slightly older than boys with SP (CA 17.2 (0.9) y), but at the same BA (m-IP 15.9 (1.5) y versus m-SP 16.3 (0.8) y). Pubertal growth values were significantly different between boys with SP 18.9 (5.3) cm and those with IP 13.8 (4.9) cm (p < 0.05), but they were negatively correlated with prepubertal growth values in both groups (m-SP r = -0.91; p < 0.002 and m-IP r = -0.51; p < 0.05). SHsdsBA showed a worsening from the first observation to final height, reaching values around -3 SD in both groups, while SLLsdsBA were always in the normal range in all patients. Serum ferritin levels were higher in boys with IP (3400 (1179) ng/ml) than in those with SP (2020 (496) ng/ml). CONCLUSIONS Our data showed that: (a) patients of both sexes with induced puberty reached the same final height of patients with spontaneous puberty; (b) all patients showed a body disproportion with truncal shortening and normal leg length that was more severe in boys of both groups at final height; (c) body disproportion was independent of pubertal or prepubertal period of greater height gain, suggesting that sexual steroids replacement therapy did not adversely affect either final height or body disproportion. Further studies, focused on the pathogenesis of the truncal shortening, are necessary in order to acquire more insight into the causes of this impairment.
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Affiliation(s)
- A Filosa
- XXIX Pediatric Division, Cardarelli Hospital, Naples, Italy.
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Officioso A, Salerno M, Bruzzese E, Alessio M, Di Maio S. [Adolescents with chronic pathology: body image]. Minerva Pediatr 2000; 52:539-40. [PMID: 11144736] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
Affiliation(s)
- A Officioso
- Dipartimento di Pediatria, Università Federico II, Napoli
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26
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Di Maio S, Salerno M, Tenore A. [Hirsutism and hypertrichosis]. Minerva Pediatr 2000; 52:469-73. [PMID: 11126652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
Affiliation(s)
- S Di Maio
- Dipartimento di Pediatria, Università degli Studi di Napoli Federico II
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Salerno M, Di Maio S, Gasparini N, Mariano A, Macchia V, Tenore A. Central precocious puberty: a single blood sample after gonadotropin-releasing hormone agonist administration in monitoring treatment. Horm Res 2000; 50:205-11. [PMID: 9838241 DOI: 10.1159/000023275] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
This study was designed to evaluate whether a single blood sample drawn after the home injection of a long-acting gonadotropin-releasing hormone (GnRH) agonist (GnRHa) in patients treated for central precocious puberty (CPP) could be a more simple and inexpensive test with respect to the conventional GnRH stimulating test in assessing adequate suppression of the pituitary-gonadal axis. The response to the first therapeutic injection of the GnRHa triptorelin was studied in 14 newly diagnosed untreated females with CPP. The results were compared with the response that the same patients had to the conventional GnRH stimulation test performed at the time of diagnosis. A significant increase in LH, FSH and E2 levels was observed 12 h after the triptorelin intramuscular injection; serum peak values of LH (70.3 +/- 58.5 IU/l), FSH (44.2 +/- 21.7 IU/l) and E2 (489.7 +/- 263.9 pmol/l) were significantly greater than those obtained with the conventional GnRH test (LH 31.4 +/- 21.7, p = 0.002; FSH 19.8 +/- 10. 7, p = 0.001; E2 83.3 +/- 25, p < 0.001). In particular, the E2 response, 12 h after triptorelin injection, was clearly consistent with gonadal activation compared to the modest E2 increase in response to the GnRH test. Thereafter 22 girls who were already being treated with triptorelin for CPP were evaluated to see whether a single blood sample drawn 12 h after the therapeutic home injection of GnRHa could be informative in assessing adequate suppression of the pituitary-gonadal axis. This response was also compared to the conventional GnRH stimulation test performed 2 days before the therapeutic triptorelin injection. In 7 girls with evidence of pubertal progression, the E2 response following the GnRHa injection (136.3 +/- 44.4 pmol/l) was significantly higher with respect to the response after the GnRH stimulation test (73.0 +/- 0.0; p < 0.02) indicating an inadequate suppression of the pituitary-gonadal axis. The present data suggest that a single blood sample drawn 12 h after the therapeutic home administration of triptorelin provides a simple, comfortable and inexpensive means of monitoring pituitary as well as gonadal function in girls treated for CPP.
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Affiliation(s)
- M Salerno
- Department of Pediatrics, University 'Federico II', Naples, Italy
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28
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Abstract
BACKGROUND Occasional and transient increase in liver enzymes is reported during growth hormone (GH) treatment in girls with Turner syndrome (TS). METHODS Retrospectively, the specific role of GH treatment on liver and muscular enzymes was evaluated in 78 patients (48 boys; age range 4.0-20.8 years) affected by GH deficiency (GHD) who had been treated with GH for at least 1 year (range: 1-15 years). All patients had normal serum levels of liver and muscular enzymes before GH therapy was started. RESULTS A clinically asymptomatic and mild increase in serum transaminase levels was observed in 6 of 78 patients with GHD during GH treatment; 3 (3.8%) of the patients showed an isolated, transitory and self-limiting increase in serum liver transaminase levels which was noticed 6 to 12 months after GH treatment was started, and normalized spontaneously within 3 to 6 months, without stopping the therapy. Three additional patients showed a transitory mild increase both in aspartate aminotransferase (AST) and creatine phosphokinase (CK) which also normalized spontaneously within 3 to 6 months. The increase in transaminase levels was not related to the brand of GH preparations nor to the dosage administered. CONCLUSIONS A mild, transient, self-limiting increase in serum transaminase may occur during GH treatment. Concomitant determination of CK serum levels may quickly differentiate muscular from hepatic hypertransaminasemia. Except for persistent cases, this condition does not generally require further investigations.
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Affiliation(s)
- M Salerno
- Department of Pediatrics, Federico II University, Naples, Italy
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Micillo M, Salerno M, Officioso A, Perna E, Gasparini N, Pisaturo L, Di Maio S. Near final height after GnRH agonist treatment in central precocious puberty. J Pediatr Endocrinol Metab 2000; 13 Suppl 1:787-90. [PMID: 10969922 DOI: 10.1515/jpem.2000.13.s1.787] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
The impact of treatment of central precocious puberty (CPP) with gonadotropin-releasing hormone agonists (GnRHa) on final height remains controversial. We analyzed the long term results of 23 girls with CPP treated with triptorelin or leuprolide. Their "near final height" (NFH) assessed at a bone age of at least 14 years and expressed as SDS, was compared either with predicted height before treatment (PAH) or with parental height (TH). We also compared NFH of 12 girls treated before 8 years of age (7.0 +/- 0.5 yr) with NFH of 11 girls treated after 8 years old (8.5 +/- 0.3 yr). The NFH of the 23 girls (-0.9 +/- 1.0 SDS) was not different either from PAH (-0.85 +/- 1.5 SDS) or from TH (-0.5 +/0.6 SDS). Earlier treated girls reached a NFH (-0.97 +/- 1.0 SDS) not different from later treated girls (-0.91 +/- 1.0 SDS; p = ns) and both groups reached parental height (NFH - TH = -0.44 +/- 1 and -0.09 +/- 0.83 SDS, respectively). In conclusion, our patients, treated either earlier or later, reached a near final height comparable to predicted height and familial target; however, these results might still improve further because the girls have not yet reached their final adult height.
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Affiliation(s)
- M Micillo
- Department of Pediatrics, University Federico II, Naples, Italy
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Officioso A, Salerno M, Lettiero T, Micillo M, Pisaturo L, Di Maio S. Adolescent girls with idiopathic central precocious puberty: typical character traits. J Pediatr Endocrinol Metab 2000; 13 Suppl 1:835-9. [PMID: 10969930 DOI: 10.1515/jpem.2000.13.s1.835] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
It has been reported that girls at onset of idiopathic central precocious puberty (ICPP) and during treatment have symbiotic character traits. The aim of this study was to investigate the development of character in a group of adolescents. Ten adolescent girls aged 14 years treated for ICPP were evaluated. All the adolescents in the study had a negative body image compared with age-matched controls and expressed a strong inhibition of their femininity. Their poor body image is reflected by their limited self-esteem. These adolescents have not been able to operate a reorganization of their affective life and therefore go through the necessarily slow and painful separation from their family. Symbiotic traits are "hard-wired" into their lives. These results suggest that at ICPP onset, in addition to setting up an educational program for the parents, it is equally important to supply psychological support for the patients in order to gain a better interaction between biological, psychological and cultural influences.
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Affiliation(s)
- A Officioso
- Department of Pediatrics, University Federico II, Naples, Italy.
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31
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Valerio G, Franzese A, Esposito-Del Puente A, Formicola S, Di Maio S, Contaldo F, Rubino A. Increased urinary excretion of collagen crosslinks in type 1 diabetic children in the first 5 years of disease. Horm Res 1999; 51:173-7. [PMID: 10474018 DOI: 10.1159/000023353] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
To analyze possible early abnormalities in bone resorption in type 1 diabetes mellitus the urinary excretion of the collagen crosslinks pyridinoline and deoxypyridinoline was evaluated by immunoassay in 26 prepubertal diabetic patients (mean age 7.8 +/- 1.6 years, mean duration 3.0 +/- 1.1 years) and 46 healthy children (age 8.3 +/- 1.3 years). Relationships with growth parameters (height-standard deviation score, body mass index and height velocity during the year preceding the study) and metabolic control were sought. Longitudinal and ponderal growth was normal in diabetic children. Urinary collagen crosslink excretion was 88.4 +/- 25 nmol/mmol creatinine (median 86, range 44-146) in diabetic patients and 65.6 +/- 19 nmol/mmol creatinine (median 61, range 32-108) in controls (p = 0. 0002). It was positively influenced by diabetic status (beta = 20.5) and negatively by age (beta = -6.41), controlling by sex and BMI (p = 0.0001). A positive correlation was found between collagen crosslinks and blood glucose (r = 0.48, p = 0.01) or HbA1c levels (r = 0.44, p = 0.02) evaluated at the time of the study, while no significant correlation was found with the mean HbA1c values assessed in the last year or throughout the whole duration of diabetes. Collagen crosslink excretion was significantly increased in patients who presented worsening of their metabolic control in the last 3 months. No relationship was found with the duration of disease or growth parameters. In conclusion, the elevated urinary excretion of collagen crosslinks in diabetic children indicates that bone resorption may be disturbed. Poor metabolic control influences the increased rate of bone resorption and may expose growing diabetic patients to a risk of bone loss.
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Affiliation(s)
- G Valerio
- Department of Pediatrics (DPMSC), School of Medicine, University of Udine, Naples, Italy
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Di Maio S, Salerno M, Gasparini N, Fusco T, Pisaturo L, Valerio G. Treatment of hypopituitarism in infancy. Effect on head circumference growth. MINERVA ENDOCRINOL 1999; 24:103-6. [PMID: 10953724] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
Abstract
BACKGROUND Head circumference of children with multiple pituitary-hormone deficiency (MPHD) may be subnormal for age. Moreover it is known that linear growth in infancy is growth-hormone (GH) dependent. Therefore, aim of the study has been to compare head circumference measurements in children with hypopituitarism after L-thyroxine (L-T4) therapy alone, before therapy with GH, and after GH was added to the therapy. METHODS Five infants (2 girls, 3 boys) with MPHD, diagnosed and treated before the age of 2 years and whose auxological parameters records during L-T4 therapy alone were available, were retrospectively studied. Head circumference and length measurements were expressed as standard deviation score (SDS). Weight measurements were expressed as weight for length ratio percentage. RESULTS Initially treated with L-T4 alone for a mean period of 4, 5 months, there were neither positive effects on head circumference nor on linear growth. A significant catch-up growth was observed only employing GH therapy in addition to L-T4: mean head circumference SDS and length SDS increased respectively from -2.20 to -0.89 SDS and from -4.16 to -0.87 SDS after a mean period of 18 months of combined GH and L-T4 therapy. CONCLUSIONS Therefore, head circumference growth, in infancy, is growth hormone dependent as well as linear growth, and during GH treatment, monitoring head circumference growth is important as much as monitoring linear growth.
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Affiliation(s)
- S Di Maio
- Department of Pediatrics, University of Naples Federico II, Italy
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Bobba A, Marra E, Giannattasio S, Iolascon A, Monno F, Di Maio S. 21-Hydroxylase deficiency in Italy: a distinct distribution pattern of CYP21 mutations in a sample from southern Italy. J Med Genet 1999; 36:648-50. [PMID: 10465121 PMCID: PMC1762977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/13/2023]
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Abstract
UNLABELLED We evaluated whether hepatic abnormalities represent a specific feature in girls with Turner syndrome (TS) or whether they are related to an increased susceptibility to hormonal therapies and/or other factors. Alanine aminotransferase, aspartate aminotransferase and gamma-glutamyl transferase were monitored in 70 patients with TS for a mean period of 7.6+/-4.2 years. An increase in serum liver enzymes was observed in 14 out of 70 girls (20%) at a mean age of 12.7 years; it was present at entry before hormonal therapy in 3 girls and developed thereafter during the follow up in the other 11. The increase in serum liver enzymes was never observed before the age of 7 years. In the majority of cases (10/14) it was drug related: in 50% the liver abnormalities were transient and self-limiting, in the remaining cases they required interruption of hormonal therapy. Hepatotoxicity was more frequently observed in girls treated with oestrogens or oxandrolone than in those treated with growth hormone. In a small number of cases, liver disease was either auto-immunity-related (2/14), or cryptogenic (1/14) with a benign and self-limiting course. Obesity was a frequent finding, but it played a likely pivotal role only in one patient. CONCLUSION Hepatic abnormalities are relatively frequent in Turner syndrome and surveillance of liver function should be included in the management of these patients independent of initiation of hormonal treatment.
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Affiliation(s)
- M Salerno
- Dipartimento di Pediatria, Università Federico II, Napoli, Italy
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35
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Abstract
BACKGROUND The intellectual outcome in children with congenital hypothyroidism detected by neonatal screening is generally good; however, subtle neurological dysfunctions, subnormal IQ, or both, have been reported. OBJECTIVE To evaluate the intellectual outcome in 12-year-old patients with congenital hypothyroidism, detected by neonatal screening, in an attempt to identify factors that may affect intellectual development. METHODS The intelligence quotient (IQ) of 40 children with congenital hypothyroidism was evaluated at 12 years of age, using the Wechsler Intelligence Scale for Children -- Revised, and compared with the IQ of 40 healthy siblings (control group). RESULTS The mean IQ score (88.4+/-13.1) was not significantly different from that of the control group (93.4+/-10.7). Thirteen patients showed subnormal IQ score (72.4+/-4.9) compared with their siblings (86.7+/-9.6; P<0.0001) and with the other patients (96.1+/-9.6; P<0.0001). The low IQ score was associated with lower serum concentrations of thyroxine at diagnosis, poor treatment compliance during follow-up and lower familial IQ. Interviews with parents of children with congenital hypothyroidism revealed that a refusal to acknowledge the disease was linked to poor attention to the child's emotional life and to poor treatment compliance in some cases (11%). CONCLUSION Even though the mean IQ score in patients with congenital hypothyroidism falls within normal for the control population, low IQ scores may be present in patients with severe hypothyroidism, inadequate compliance to replacement therapy during follow-up and poor parental pedagogic attitude.
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Affiliation(s)
- M Salerno
- Department of Paediatrics, University of Naples 'Federico II', Naples, Italy
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36
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Filosa A, Di Maio S, Lamba M, Baron I, Saviano A, Esposito G. Bone age progression during five years of substitutive therapy for the induction of puberty in thalassemic girls--effects on height and sitting height. J Pediatr Endocrinol Metab 1999; 12:525-30. [PMID: 10417968 DOI: 10.1515/jpem.1999.12.4.525] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
UNLABELLED It is known that in thalassemic patients there is a disproportion between lower and upper segments whose causes have not yet been identified. We evaluated whether the administration of estrogens to induce puberty in hypogonadic thalassemic girls caused an inappropriate acceleration of bone maturation and whether this had a negative influence on final and sitting height. MATERIALS AND METHODS Twelve thalassemic patients with spontaneous puberty (Group A) and seven patients with hypogonadism (Group B) were studied. The mutations of the beta gene were identified by DNA analysis. We took into account four observations, ranging from the onset of spontaneous puberty in group A or the start of substitutive therapy in group B, to 5 years later. At each observation we considered: chronological age (CA), bone age (BA), height (Ht) expressed in cm and as standard deviation score (HtSDS) calculated with respect to CA (HtSDSCA) and BA (HtSDSBA), growth spurt, sitting height, expressed as SDS (SH-SDS), and height gain (HG). The delta BA and delta CA were calculated between the first and the final observation values to evaluate the bone age acceleration (delta BA/delta CA). RESULTS No acceleration of BA was noted. delta BA/delta CA was 0.98 +/- 0.1 in group A and 0.89 +/- 0.1 in group B (p > 0.05). All patients in group B had the most severe form (beta degree/beta degree) of thalassemia. During the final observation, SH-SDS was -1.43 +/- 1.2 and -2.9 +/- 0.6 in group A and B respectively (p < 0.002), while no difference between the two groups for HtSDSCA and HtSDSBA was observed. HG was greater in group A than in group B (17.7 +/- 5.4 cm vs 10.8 +/- 5.2 cm) (p < 0.002), such as the spurt 8.6 +/- 1.4 cm (group A) and 6.1 +/- 2.6 cm (group B) (p < 0.05). CONCLUSIONS Girls with hypogonadism did not show an inappropriate acceleration of BA, as they reached near final height similar to girls with spontaneous puberty. The auxological parameters showed a more severe body disproportion with the prevalence of the lower segment in the hypogonadic girls. This could be explained by a higher degree of bone marrow hyperplasia related to the most severe form of thalassemia and a higher blood consumption. As a consequence, damage at the vertebral level might determine an inability of the bone tissue to respond to estrogens. We suggest beginning estrogen therapy earlier in order to obtain better truncal growth.
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Affiliation(s)
- A Filosa
- XXIX Paediatric Division, Cardarelli Hospital, Naples, Italy
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37
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Di Maio S, Salerno M, Gasparini N, Fusco T, Pisaturo L, Valerio G. Treatment of hypopituitarism in infancy. Effect on head circumference growth. Minerva Pediatr 1999; 51:89-92. [PMID: 10399443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/13/2023]
Abstract
BACKGROUND Head circumference of children with multiple pituitary-hormone deficiency (MPHD) may be subnormal for age. Moreover it is known that linear growth in infancy is growth-hormone (GH) dependent. Therefore, aim of the study has been to compare head circumference measurements in children with hypopituitarism after L-thyroxine (L-T4) therapy alone, before therapy with GH, and after GH was added to the therapy. METHODS Five infants (2 girls, 3 boys) with MPHD, diagnosed and treated before the age of 2 years and whose auxological parameters records during L-T4 therapy alone were available, were retrospectively studied. Head circumference and length measurements were expressed as standard deviation score (SDS). Weight measurements were expressed as weight for length ratio percentage. RESULTS Initially treated with L-T4 alone for a mean period of 4, 5 months, there were neither positive effects on head circumference nor on linear growth. A significant catch-up growth was observed only employing GH therapy in addition to L-T4: mean head circumference SDS and length SDS increased respectively from -2.20 to -0.89 SDS and from -4.16 to -0.87 SDS after a mean period of 18 months of combined GH and L-T4 therapy. CONCLUSIONS Therefore, head circumference growth, in infancy, is growth hormone dependent as well as linear growth, and during GH treatment, monitoring head circumference growth is important as much as monitoring linear growth.
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Affiliation(s)
- S Di Maio
- Department of Pediatrics, University of Naples Federico II, Italy
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Franzese A, Valerio G, Di Maio S, Iannucci MP, Bloise A, Tenore A. Growth hormone insufficiency in a girl with the autoimmune polyendocrinopathy-candidiasis-ectodermal dystrophy. J Endocrinol Invest 1999; 22:66-9. [PMID: 10090140 DOI: 10.1007/bf03345481] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Autoimmune polyendocrinopathy-candidiasis-ectodermal dystrophy (APECED) is an inherited disease which may comprise many endocrine and non-endocrine components. GH insufficiency has not been recognised as a classical manifestation of this syndrome. We describe the case of a girl with APECED, who presented with four endocrine (hypoparathyroidism, Addison's disease, hypothyroidism, gonadal failure) and three non-endocrine components (candidiasis, ectodermal dystrophy and lichen ruber planus). In addition, growth failure was documented beginning at approximately 8 years; bone age was delayed and stimulated GH peaks after clonidine and arginine were 2.2 and 9.2 microg/l, respectively. A partial empty sella was found on a computed tomography scan of the hypothalamic-pituitary region. At 10.5 years rhGH therapy was started and height gain of 26 cm was observed after 2.7 years of treatment. Puberty started at 11.2 years and menarche occurred at 12.7 years. At 13.25 years rhGH therapy was discontinued owing to frequent hypocalcemic crises; serum IGF-1 levels were persistently low in the following years (between 160 and 180 microg/l, normal range for age 250-600 microg/l). The patient attained a final height of 160.8 cm, which was appropriate for her target height. The presence of lichen ruber planus and GH insufficiency probably secondary to empty sella are two unusual findings in patients with APECED.
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Affiliation(s)
- A Franzese
- Dipartimento di Pediatria, University Federico II, Napoli, Italy
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Affiliation(s)
- A Franzese
- Department of Pediatrics, University Federico II, Naples, Italy
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Saleno M, Cosentini E, De Filippo S, Romano A, Di Maio S, Chessa L, Pignata C. Multisystemic disease with involvement of immune, endocrine, and neurologic systems. J Child Neurol 1997; 12:396-8. [PMID: 9309524 DOI: 10.1177/088307389701200610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- M Saleno
- Department of Pediatrics, Federico II University, Naples, Italy
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Valerio G, Bond HM, Badolato R, Petrella A, Di Maio S, Salerno M, Waters MJ, Venuta S, Tenore A. Expression of growth hormone receptor by peripheral blood lymphocytes in children: evaluation in clinical conditions of impaired growth. Clin Endocrinol (Oxf) 1997; 47:329-35. [PMID: 9373455 DOI: 10.1046/j.1365-2265.1997.2571066.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
OBJECTIVE It is widely accepted that the haematopoietic system is a target of growth hormone action and that GH may act as a lymphokine. The expression of GH receptors (GHR) on human peripheral blood lymphocytes (PBL) has been reported previously in adult donors by dual fluorochrome flow cytometry. The aim of this study was to apply the cytofluorimetric method to the analysis of GHR expression on PBL in various human conditions characterized by different patterns of growth due to age or physiopathological conditions. SUBJECTS AND DESIGN PBL from 38 normal (control) subjects (7 newborns, 18 prepubertal children, 13 adults) were studied in order to provide age-related physiological data. Twenty-two short children (18 with idiopathic short stature, 4 with Ullrich-Turner syndrome) were studied to determine the expression of GHR in conditions of impaired longitudinal growth which may or may not require GH treatment. METHODS Analysis was performed using a fluorescein isothiocyanate (FITC)-conjugated antibody specific for the GHR (mAb263) and phycoerythrin (PE)-anti CD2 (T and natural killer cells) or PE-anti CD2 (B cells) in dual fluorochrome flow cytometric assays. Results were expressed as mean fluorescent intensity (MFI). RESULTS Adult CD2+ coils exhibited a significantly higher GHR expression (MFI 347 +/- 40) than that expressed in children and newborns (MFI 285 +/- 36 and 299 +/- 41, respectively, P < 0.001). A significantly increased expression of GHR on CD2+ cells was also found in short children (MFI 330 +/- 42 vs 285 42- 36, respectively; P < 0.002), whereas Ullrich-Turner syndrome patients did not show any difference from their age and gender matched controls (254 +/- 52 and 288 +/- 40, respectively). A negative relationship was found between GHR expression on CD2+ cells and height-SDS (r - 0.54, P < 0.0001) or BMI (r - 0.4, P < 0.015) in controls and short children, independent of their GH secretory status. Expression of GHR and CD20+ cells was higher than that expressed on CD2+ cells in all subjects. No appreciable differences were found in the MFI levels of GHR expression on CD20+ cells either among the different age group controls or between short children or Ullrich-Turner syndrome patients. A significant downregulation of expression was shown in CD20+ (P < 0.008) but not CD2+ cells after 6 months of GH treatment in 6 short children who had a poor response to GH provocative tests. CONCLUSIONS GH receptor expression on immune cells in non-syndromic short children appears to be inversely related to the linear growth expression and BMI of the subjects, contrary to findings with hepatic derived serum GHBP. This finding may reflect alternate exon usage in lymphoid cells, and indicates that GH has a distinctive role in the immune system.
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Affiliation(s)
- G Valerio
- Department of Pediatrics (DPMSC), University of Udine, School of Medicine, Italy
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Salerno M, Argenziano A, Di Maio S, Gasparini N, Formicola S, De Filippo G, Tenore A. Pubertal growth, sexual maturation, and final height in children with IDDM. Effects of age at onset and metabolic control. Diabetes Care 1997; 20:721-4. [PMID: 9135933 DOI: 10.2337/diacare.20.5.721] [Citation(s) in RCA: 59] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
OBJECTIVE To evaluate growth and pubertal development in children with IDDM and the influence of the age at onset of IDDM and the degree of metabolic control on final height. RESEARCH DESIGN AND METHODS We conducted a retrospective evaluation of 62 subjects followed longitudinally both clinically and metabolically from the onset of IDDM until final height was reached. RESULTS Height at diagnosis was within the normal percentiles in boys (0.5 +/- 1.0 standard deviation score [SDS]) and girls (0.4 +/- 1.0 SDS), but above the genetic target height (-1.0 +/- 0.9 SDS in boys and -1.1 +/- 0.6 SDS in girls; P = 0.0001 for both comparisons). Although a lesser height gain was observed during the ensuing years, the final height reached by boys (-0.4 +/- 1.1 SDS) and girls (-0.4 +/- 0.9 SDS) was higher than the genetic target height. Blunted total pubertal growth was observed both in boys (24.5 +/- 3.6 cm) and girls (20.1 +/- 4.2 cm). The decrease in height gain was independent of the duration of IDDM, the degree of metabolic control, or the insulin requirement. The greater the height at diagnosis, with respect to the genetic target height, the lesser was the subsequent height gain to reach final adult height (r = 0.34, p < 0.01). BMI increased with age as normally occurs in healthy children, independent of the duration of disease and the degree of metabolic control. Pubertal development began and progressed normally both in boys and girls. In boys, a testicular volume of 4 ml was reached at a mean age of 12.1 +/- 0.9 years. In girls, breast enlargement occurred at a mean age of 10.4 +/- 1.2 years and the mean age of menarche was 12.8 +/- 1.4 years. Pubertal development and progression occurred independent of the age at onset of IDDM, the glycemic control, or the insulin requirement during the pubertal period. CONCLUSIONS Children with IDDM have normal onset of puberty and normal sexual maturation. Even though final height falls within the normal percentiles, the diminished height gain after diagnosis requires further investigation.
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Affiliation(s)
- M Salerno
- Department of Pediatrics, University Federico II, Naples, Italy
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Abstract
The changes in bone mineral density (BMD) measured by single photon absorptiometry (SPA) using two observations conducted over a period of 2 years were examined in 54 thalassemic subjects [30 F(A) and 24 M(B)] with a chronological age ranging from 2.6 to 22.6 years and in 27 sex- and age-matched controls (C). Each category (A, B and C) was divided into three groups according to pubertal signs: pre-pubertal subjects (A1, B1 and C1); peri-pubertal subjects (A2, B2 and C2) and pubertal subjects from the first observation (A3, B3 and C3). Furthermore, each group of patients was divided into sub-groups on the basis of haematological phenotypes, those with a more severe form were called beta0/beta0 while those with other forms were called "others". The most significant findings were the following: the presence of a more severe reduction of the bone mineral density in patients with the beta0/beta0 phenotype than in patients with the "others" phenotype; patients with hypogonadism corresponded to the beta0/beta0 phenotype, while those with spontaneous puberty corresponded to the "others" phenotype. In conclusion, since puberty and the degree of bone mineral density are related to the haematological phenotype, puberty (spontaneous or induced) positively influences the bone mineral density only at the start of puberty, while subsequently, the degree of osteoporosis is the expression of widespread and chronic systemic damage due to the haematological phenotype.
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Affiliation(s)
- A Filosa
- XXIX Pediatric Division, Cardarelli Hospital, Naples, Italy
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Valerio G, Di Maio S, Salerno M, Argenziano A, Badolato R, Tenore A. Assessment of red blood cell indices in growth-hormone-treated children. Horm Res 1997; 47:62-6. [PMID: 9030969 DOI: 10.1159/000185433] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
In order to evaluate the effect of growth hormone (GH) on erythropoiesis, red blood cell (RBC) indices (hemoglobin, Hb; hematocrit, Ht; RBC count, and mean corpuscular volume, MCV) of 19 GH-deficient children (12 with isolated GH deficiency and 7 with multiple pituitary hormone deficiencies) between 2 months and 15 years of age were compared to those of 57 sex- and age-matched short normal controls before starting treatment with recombinant human GH (rhGH). The RBC indices were expressed as standard deviation score (SDS). Moreover, the RBC indices in the GH-deficient group were analyzed after the first 3 and 6 months of GH treatment and compared to those of 9 Ullrich-Turner syndrome (UTS) patients with GH therapy. Both patients with isolated and those with multiple pituitary hormone deficiencies presented significantly lower values of Hb-SDS (-1.6 +/- 1.0 and -2.0 +/- 1.4, respectively; p = 0.004), Ht-SDS (-1.55 +/- 0.9 and -2.5 +/- 2.1, respectively; p = 0.001) and RBC-SDS (-0.6 +/- 1.6 and -1.2 +/- 0.9, respectively; p = 0.002) when compared to controls (Hb-SDS: -0.6 +/- 1.4; Ht-SDS: -0.1 +/- 1.9; RBC-SDS: 0.17 +/- 1), in the presence of comparable MCV-SDS values. In contrast, RBC indices did not differ between patients with isolated and those with multiple pituitary hormone deficiencies. When the variations of RBC indices were analyzed after 3 and 6 months of rhGH therapy in the 19 GH-deficient children, an increase in the Hb-SDS (p = 0.01), Ht-SDS (p = 0.03) and RBC-SDS was observed, indicating an early stimulatory effect on RBC proliferation in these patients. However, an analysis of the RBC indices in the group of UTS patients did not reveal any significant change after both 3 and 6 months of therapy with rhGh. The increase in Hb, Ht, and RBC count observed during GH treatment confirms the in vivo erythropoietic growth-promoting effects of GH. However, this effect seems to be related only to conditions of GH deficiency. When GH deficiency is associated with multiple pituitary hormone deficiencies there are pathological influences on erythropoiesis which are not corrected until Gh treatment is started, indicating a 'permissive' role of GH in the hematopoietic system.
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Affiliation(s)
- G Valerio
- Departments of Pediatrics, University of Udine, School of Medicine, Italy
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Gasparini N, Di Maio S, Salerno M, Argenziano A, Franzese A, Tenore A. Growth pattern during the first 36 months of life in congenital adrenal hyperplasia (21-hydroxylase deficiency). Horm Res 1997; 47:17-22. [PMID: 9010713 DOI: 10.1159/000185361] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
The longitudinal growth pattern during the first 36 months of life was studied in 24 patients (17 females) with congenital adrenal hyperplasia (CAH) due to 21-hydroxylase deficiency by analyzing the mean required daily dose of cortisone with respect to steroid suppression, height and weight growth velocities and bone age maturation. All patients were treated with cortisone acetate and 9-fluorohydrocortisone. The standard deviation score for length (SDS-L), the percentage of ideal body weight (% IBW) and biochemical parameters, 17-hydroxy-progesterone (17-OHP) and androstenedione (A) were evaluated every 3 months; bone age (BA) was evaluated annually. At diagnosis, the female population of patients with respect to the males were younger (chronological age (CA): 15 +/- 14 vs. 45 +/- 16 days, p < 0.005) and had a higher % IBW (91.7 +/- 8.0 vs. 76.3 +/- 16.7%, p < 0.05). At 3 months of age (45 days after initiating treatment) the % IBW in males normalized (97 +/- 19%) and was similar to that found in females (101 +/- 12.8%). No differences were noted in SDS-L at the moment of diagnosis (females-1.1 +/- 1.1 vs. males -0.5 +/- 0.7); however, at 3 months of age the SDS-L in females increased (0.41 +/- 0.88, p < 0.005 vs. diagnosis SDS-L) whereas that of males progressively decreased to reach the nadir at 6 months (-1.41 +/- 0.96). No differences between males and females were noted throughout this time with regard to: (a) A or 17-OHP levels (neither of which were suppressed to 'control values'); (b) the dosage of cortisone received (13.5-17.8 mg/m2/day), and (c) change in BA/CA ratio. In all patients the SDS-target height (TH) correlated with the SDS-L at 2 years (r = 0.74, p < 0.0005) and at 3 years (r = 0.60, p < 0.02) of age. In 12 patients who reached 7 years of age the SDS-L correlated with both SDS-predicted adult height (PAH) (r = 0.75, p < 0.001) and SDS-TH (r = 0.80, p < 0.005). Although the commonly accepted definition of "good control' for patients with CAH has generally included, in addition to adequate suppression of hormone markers, normal growth and skeletal maturation, the present data suggest that normal growth and BA maturation are the most useful parameters to follow and not necessarily strive for hormone suppression. Early diagnosis and replacement therapy using cortisone doses less than those currently recommended allow normal growth within the genetic potential at least for the first 7 years of life.
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Affiliation(s)
- N Gasparini
- Department of Pediatrics, University of Naples Federico II, School of Medicine, Italy
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Staiano A, Salerno M, Di Maio S, Marsullo G, Marino A, Concolino D, Strisciuglio P. Delayed gastric emptying: a novel gastrointestinal finding in Turner's syndrome. Arch Dis Child 1996; 75:440-3. [PMID: 8957960 PMCID: PMC1511766 DOI: 10.1136/adc.75.5.440] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
AIM To evaluate gastric emptying in girls with Turner's syndrome to detect if gastrointestinal motor dysfunction was present. SUBJECTS Thirteen girls (mean age 8.1 years) with Turner's syndrome, seven girls with familial short stature (6.1 years), and eight control girls (7.6 years). METHODS Gastric emptying studies were performed by using 500 microCi of technetium 99m-sulphur colloid bound to a scrambled egg, and scintigraphic measurements were made for 60 to 90 minutes. RESULTS Mean (SD) percentage retention of gastric isotope was significantly greater in girls with Turner's syndrome than in children with short stature and in controls. Furthermore, in contrast with control subjects, in whom there was an inverse linear relationship between gastric emptying rate and body mass index, in children with Turner's syndrome the delay in gastric emptying was independent of the body mass. CONCLUSIONS The results of the study suggest that delayed gastric emptying is detectable in girls with Turner's syndrome independent of age, body mass index, karyotype, and growth promoting treatment.
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Affiliation(s)
- A Staiano
- Department of Paediatrics, University Federico II, Naples, Italy
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Abstract
BACKGROUND Constitutional delay of growth and puberty (CDGP) is a frequent cause of short stature in childhood. Controversial results have been reported on the full achievement of these patients of their target height. PATIENTS AND METHODS The final adult height of 20 patients with CDGP (11 male and 9 female), who did not received hormonal treatment, was compared with their target height and with the predicted adult height, by the Bayley-Pinneau method obtained before the onset of puberty. RESULTS A spontaneous improvement of the stature from pre-puberty to adulthood was observed in all patients (from -2.9 +/- 0.7 SDS to -1.3 +/- 0.6 SDS in male and from -2.6 +/- 0.6 SDS to -0.9 +/- 0.3 SDS in female; P < 0.001). Adult height in male (166.4 +/- 4.1 cm) at the mean age of 21 years was very close to the target height (165.7 +/- 3.9 cm) and to the predicted adult height (167.3 +/- 3.1 cm). Also in female, final height (156.6 +/- 2.0 cm) did not differ from target height (153.3 +/- 4.2 cm) and from predicted adult height (155.6 +/- 2.3 cm). CONCLUSIONS In our experience, patients with CDGP reach their predicted adult height and achieve their genetic potential without medical treatment.
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Affiliation(s)
- M Salerno
- Département de pédiatrie, université de Naples Federico II, Italie
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Abstract
In order to evaluate whether changes of adrenal steroid serum levels occurring during the prepubertal period influence the degree of osteopenia, dehydroepiandrosterone sulfate (DHEAS) was longitudinally monitored as marker of the onset of adrenarche. Fifteen thalassemic patients, 9 girls (Group 1) and 6 boys (Group 2), with chronological age (CA) from 6.1 to 10.3 years and bone age (BA) from 6 to 9.6 years, were studied. Two observations, 14 months apart, were made. All patients had no pubertal signs according to Tanner during the period of observation, and auxological data (height, BMI and height velocity) were evaluated in respect to bone age. There was a statistically significant difference between the two groups for serum DHEAS, BGP serum levels, height velocity and bone mineral density expressed as standard deviation score (BMDsds) in respect to both bone age and height age (the latter was calculated in order to eliminate the influence of height on BMD). Alterations of bone metabolism were excluded by determination of calcium, phosphorus, alkaline phosphatase activity, parathormone, 25-OH-D3, IGF-I serum levels, all these values being normal. In conclusion, our data show that a delayed adrenarche occurs in thalassemic boys which is correlated with a severe degree of osteopenia, even though the relationship between them is not yet established.
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Affiliation(s)
- A Filosa
- XXIX Pediatrics Division, "Cardarelli" Hospital, Naples, Italy
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Affiliation(s)
- N Gasparini
- Department of Pediatrics, University Federico II, Naples, Italy
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