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Montaldo P, Cirillo M, Burgod C, Caredda E, Ascione S, Carpentieri M, Puzone S, D'Amico A, Garegrat R, Lanza M, Moreno Morales M, Atreja G, Shivamurthappa V, Kariholu U, Aladangady N, Fleming P, Mathews A, Palanisami B, Windrow J, Harvey K, Soe A, Pattnayak S, Sashikumar P, Harigopal S, Pressler R, Wilson M, De Vita E, Shankaran S, Thayyil S. Whole-Body Hypothermia vs Targeted Normothermia for Neonates With Mild Encephalopathy: A Multicenter Pilot Randomized Clinical Trial. JAMA Netw Open 2024; 7:e249119. [PMID: 38709535 DOI: 10.1001/jamanetworkopen.2024.9119] [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] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/07/2024] Open
Abstract
Importance Although whole-body hypothermia is widely used after mild neonatal hypoxic-ischemic encephalopathy (HIE), safety and efficacy have not been evaluated in randomized clinical trials (RCTs), to our knowledge. Objective To examine the effect of 48 and 72 hours of whole-body hypothermia after mild HIE on cerebral magnetic resonance (MR) biomarkers. Design, Setting, and Participants This open-label, 3-arm RCT was conducted between October 31, 2019, and April 28, 2023, with masked outcome analysis. Participants were neonates at 6 tertiary neonatal intensive care units in the UK and Italy born at or after 36 weeks' gestation with severe birth acidosis, requiring continued resuscitation, or with an Apgar score less than 6 at 10 minutes after birth and with evidence of mild HIE on modified Sarnat staging. Statistical analysis was per intention to treat. Interventions Random allocation to 1 of 3 groups (1:1:1) based on age: neonates younger than 6 hours were randomized to normothermia or 72-hour hypothermia (33.5 °C), and those 6 hours or older and already receiving whole-body hypothermia were randomized to rewarming after 48 or 72 hours of hypothermia. Main Outcomes and Measures Thalamic N-acetyl aspartate (NAA) concentration (mmol/kg wet weight), assessed by cerebral MR imaging and thalamic spectroscopy between 4 and 7 days after birth using harmonized sequences. Results Of 225 eligible neonates, 101 were recruited (54 males [53.5%]); 48 (47.5%) were younger than 6 hours and 53 (52.5%) were 6 hours or older at randomization. Mean (SD) gestational age and birth weight were 39.5 (1.1) weeks and 3378 (380) grams in the normothermia group (n = 34), 38.7 (0.5) weeks and 3017 (338) grams in the 48-hour hypothermia group (n = 31), and 39.0 (1.1) weeks and 3293 (252) grams in the 72-hour hypothermia group (n = 36). More neonates in the 48-hour (14 of 31 [45.2%]) and 72-hour (13 of 36 [36.1%]) groups required intubation at birth than in the normothermic group (3 of 34 [8.8%]). Ninety-nine neonates (98.0%) had MR imaging data and 87 (86.1%), NAA data. Injury scores on conventional MR biomarkers were similar across groups. The mean (SD) NAA level in the normothermia group was 10.98 (0.92) mmol/kg wet weight vs 8.36 (1.23) mmol/kg wet weight (mean difference [MD], -2.62 [95% CI, -3.34 to -1.89] mmol/kg wet weight) in the 48-hour and 9.02 (1.79) mmol/kg wet weight (MD, -1.96 [95% CI, -2.66 to -1.26] mmol/kg wet weight) in the 72-hour hypothermia group. Seizures occurred beyond 6 hours after birth in 4 neonates: 1 (2.9%) in the normothermia group, 1 (3.2%) in the 48-hour hypothermia group, and 2 (5.6%) in the 72-hour hypothermia group. Conclusions and Relevance In this pilot RCT, whole-body hypothermia did not improve cerebral MR biomarkers after mild HIE, although neonates in the hypothermia groups were sicker at baseline. Safety and efficacy of whole-body hypothermia should be evaluated in RCTs. Trial Registration ClinicalTrials.gov Identifier: NCT03409770.
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Affiliation(s)
- Paolo Montaldo
- Centre for Perinatal Neuroscience, Department of Brain Sciences, Imperial College London, London, United Kingdom
- Department of Woman, Child, and General and Specialized Surgery, University of Campania "Luigi Vanvitelli," Naples, Italy
| | - Mario Cirillo
- Department of Advanced Medical and Surgical Sciences, MRI Research Center, University of Campania "Luigi Vanvitelli," Naples, Italy
| | - Constance Burgod
- Centre for Perinatal Neuroscience, Department of Brain Sciences, Imperial College London, London, United Kingdom
| | - Elisabetta Caredda
- Department of Woman, Child, and General and Specialized Surgery, University of Campania "Luigi Vanvitelli," Naples, Italy
| | - Serena Ascione
- Department of Woman, Child, and General and Specialized Surgery, University of Campania "Luigi Vanvitelli," Naples, Italy
| | - Mauro Carpentieri
- Department of Woman, Child, and General and Specialized Surgery, University of Campania "Luigi Vanvitelli," Naples, Italy
| | - Simona Puzone
- Department of Woman, Child, and General and Specialized Surgery, University of Campania "Luigi Vanvitelli," Naples, Italy
| | | | - Reema Garegrat
- Centre for Perinatal Neuroscience, Department of Brain Sciences, Imperial College London, London, United Kingdom
| | - Marianna Lanza
- Centre for Perinatal Neuroscience, Department of Brain Sciences, Imperial College London, London, United Kingdom
| | - Maria Moreno Morales
- Centre for Perinatal Neuroscience, Department of Brain Sciences, Imperial College London, London, United Kingdom
| | - Gaurav Atreja
- Neonatal Unit, Imperial Health Care NHS Trust, London, United Kingdom
| | | | - Ujwal Kariholu
- Neonatal Unit, Imperial Health Care NHS Trust, London, United Kingdom
| | - Narendra Aladangady
- Neonatal Unit, Homerton Healthcare NHS Foundation Trust, London, United Kingdom
- Centre for Paediatrics, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom
| | - Paul Fleming
- Neonatal Unit, Homerton Healthcare NHS Foundation Trust, London, United Kingdom
- Centre for Paediatrics, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom
| | - Asha Mathews
- Neonatal Unit, Homerton Healthcare NHS Foundation Trust, London, United Kingdom
| | | | - Joanne Windrow
- Liverpool Women's NHS Foundation Trust, Liverpool, United Kingdom
| | - Karen Harvey
- Liverpool Women's NHS Foundation Trust, Liverpool, United Kingdom
| | - Aung Soe
- Oliver Fisher Neonatal Intensive Care Unit, Medway Maritime Hospital, Medway NHS Foundation Trust, Kent, United Kingdom
| | - Santosh Pattnayak
- Oliver Fisher Neonatal Intensive Care Unit, Medway Maritime Hospital, Medway NHS Foundation Trust, Kent, United Kingdom
| | - Palaniappan Sashikumar
- Oliver Fisher Neonatal Intensive Care Unit, Medway Maritime Hospital, Medway NHS Foundation Trust, Kent, United Kingdom
| | - Sundeep Harigopal
- Neonatal Medicine, Royal Victoria Infirmary, Newcastle Upon Tyne, United Kingdom
| | - Ronit Pressler
- Department of Neurophysiology, Great Ormond Street Hospital, London, United Kingdom
| | - Martin Wilson
- Centre for Human Brain Health and School of Psychology, University of Birmingham, Birmingham, United Kingdom
| | - Enrico De Vita
- MRI Physics, Radiology Department, Great Ormond Street Hospital for Children NHS Foundation Trust, London, United Kingdom
| | - Seetha Shankaran
- Department of Neonatal-Perinatal Medicine, Wayne State University, Detroit, Michigan
- Department of Pediatrics, The University of Texas at Austin, Dell Children's Hospital, Austin, Texas
| | - Sudhin Thayyil
- Centre for Perinatal Neuroscience, Department of Brain Sciences, Imperial College London, London, United Kingdom
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Puzone S, Diplomatico M, Caredda E, Maietta A, Miraglia Del Giudice E, Montaldo P. Hypoglycaemia and hyperglycaemia in neonatal encephalopathy: a systematic review and meta-analysis. Arch Dis Child Fetal Neonatal Ed 2023; 109:18-25. [PMID: 37316160 DOI: 10.1136/archdischild-2023-325592] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Accepted: 05/30/2023] [Indexed: 06/16/2023]
Abstract
IMPORTANCE Although hypoglycaemia and hyperglycaemia represent the most common metabolic problem in neonates, there is still uncertainty regarding the effects of glucose homoeostasis on the neurological outcomes of infants with neonatal encephalopathy (NE). OBJECTIVE To systematically investigate the association between neonatal hypoglycaemia and hyperglycaemia with adverse outcome in children who suffered from NE. STUDY SELECTION We searched Pubmed, Embase and Web of Science databases to identify studies which reported prespecified outcomes and compared infants with NE who had been exposed to neonatal hypoglycaemia or hyperglycaemia with infants not exposed. DATA ANALYSIS We assessed the risk of bias (ROBINS-I), quality of evidence (Grading of Recommendations, Assessment, Development and Evaluation (GRADE)) for each of the studies. RevMan was used for meta-analysis (inverse variance, fixed effects). MAIN OUTCOME Death or neurodevelopmental outcomes at 18 months of age or later. RESULTS 82 studies were screened, 28 reviewed in full and 12 included. Children who were exposed to neonatal hypoglycaemia had higher odds of neurodevelopmental impairment or death (6 studies, 685 infants; 40.6% vs 25.4%; OR=2.17, 95% CI 1.46 to 3.25; p=0.0001). Neonatal exposure to hyperglycaemia was associated with death or neurodisability at 18 months or later (7 studies, 807 infants; 46.1% vs 28.0%; OR=3.07, 95% CI 2.17 to 4.35; p<0.00001). These findings were confirmed in the subgroup analysis, which included only the infants who underwent therapeutic hypothermia. CONCLUSIONS These data suggest that neonatal hypoglycaemia and hyperglycaemia may be associated with the neurodevelopmental outcome later on in infants with NE. Further studies with long-term follow-up are needed to optimise the metabolic management of these high-risk infants. PROSPERO REGISTRATION NUMBER CRD42022368870.
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Affiliation(s)
- Simona Puzone
- Department of Neonatal Intensive Care, University of Campania Luigi Vanvitelli, Naples, Italy
| | - Mario Diplomatico
- Department of Neonatal Intensive Care, AORN San Giuseppe Moscati, Avellino, Italy
| | - Elisabetta Caredda
- Department of Neonatal Intensive Care, University of Campania Luigi Vanvitelli, Naples, Italy
| | - Anna Maietta
- Department of Neonatal Intensive Care, University of Campania Luigi Vanvitelli, Naples, Italy
| | | | - Paolo Montaldo
- Imperial Neonatal Service, Centre for Perinatal Neuroscience, Department of Paediatrics, Imperial College London, London, UK
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Caredda E, Pedini G, D'Amico F, Scioli MG, Pacini L, Orsaria P, Vanni G, Buonomo OC, Orlandi A, Bagni C, Palombi L. FMRP expression in primary breast tumor cells correlates with recurrence and specific site of metastasis. PLoS One 2023; 18:e0287062. [PMID: 37379311 DOI: 10.1371/journal.pone.0287062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Accepted: 05/26/2023] [Indexed: 06/30/2023] Open
Abstract
Breast cancer is the most common cancer among women worldwide. Molecular and clinical evidence indicated that Fragile X Messenger Ribonucleoprotein 1 (FMRP) plays a role in different types of cancer, including breast cancer. FMRP is an RNA binding protein that regulates the metabolism of a large group of mRNAs coding for proteins involved in both neural processes and in epithelial-mesenchymal transition, a pivotal mechanism that in cancer is associated to tumor progression, aggressiveness and chemoresistance. Here, we carried out a retrospective case-control study of 127 patients, to study the expression of FMRP and its correlation with metastasis formation in breast cancer. Consistent with previous findings, we found that FMRP levels are high in tumor tissue. Two categories have been analyzed, tumor with no metastases (referred as control tumors, 84 patients) and tumor with distant metastatic repetition, (referred as cases, 43 patients), with a follow-up of 7 years (mean). We found that FMRP levels were lower in both the nuclei and the cytoplasm in the cases compared to control tumors. Next, within the category cases (tumor with metastases) we evaluated FMRP expression in the specific sites of metastasis revealing a nuclear staining of FMRP. In addition, FMRP expression in both the nuclear and cytoplasmic compartment was significantly lower in patients who developed brain and bone metastases and higher in hepatic and pulmonary sites. While further studies are required to explore the underlying molecular mechanisms of FMRP expression and direct or inverse correlation with the secondary metastatic site, our findings suggest that FMRP levels might be considered a prognostic factor for site-specific metastasis.
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Affiliation(s)
- E Caredda
- Department of Biomedicine and Prevention, Faculty of Medicine, University of Rome Tor Vergata, Rome, Italy
- Directorate-General for Health Prevention, Ministry of Health, Rome, Italy
| | - G Pedini
- Department of Biomedicine and Prevention, Faculty of Medicine, University of Rome Tor Vergata, Rome, Italy
| | - F D'Amico
- Anatomic Pathology, Department Biomedicine and Prevention, Faculty of Medicine, Tor Vergata University Hospital, Rome, Italy
- Infectious Diseases Unit, Niguarda Hospital, Milan, Italy
| | - M G Scioli
- Anatomic Pathology, Department Biomedicine and Prevention, Faculty of Medicine, Tor Vergata University Hospital, Rome, Italy
| | - L Pacini
- Department of Biomedicine and Prevention, Faculty of Medicine, University of Rome Tor Vergata, Rome, Italy
- UniCamillus, Saint Camillus International, Faculty of Medicine, University of Health and Medical Sciences, Rome, Italy
| | - P Orsaria
- Department of Breast Surgery, University Campus Bio-Medico, Rome, Italy
| | - G Vanni
- Department of Surgery, Faculty of Medicine, Tor Vergata University Hospital, Rome, Italy
| | - O C Buonomo
- Department of Surgery, Faculty of Medicine, Tor Vergata University Hospital, Rome, Italy
| | - A Orlandi
- Anatomic Pathology, Department Biomedicine and Prevention, Faculty of Medicine, Tor Vergata University Hospital, Rome, Italy
| | - C Bagni
- Department of Biomedicine and Prevention, Faculty of Medicine, University of Rome Tor Vergata, Rome, Italy
- Department of Fundamental Neurosciences (DNF), Faculty of Biology and Medicine, University of Lausanne, Lausanne, Switzerland
| | - L Palombi
- Department of Biomedicine and Prevention, Faculty of Medicine, University of Rome Tor Vergata, Rome, Italy
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Monari C, Spagnuolo F, Pisaturo M, Ascione S, Donnarumma G, Calò F, Caredda E, Montella F, Maietta A, Montaldo P, Pugliese U, Galdiero M, Carpentieri M, Coppola N. Bloodstream Infection Due to a VIM-Metallo-β-Lactamase-Producing Klebsiella pneumoniae Treated with Cefiderocol in a Preterm Newborn. Infect Dis Ther 2023; 12:727-734. [PMID: 36522526 PMCID: PMC9925637 DOI: 10.1007/s40121-022-00735-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Accepted: 11/21/2022] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND The prevalence of certain multidrug-resistant organisms (MDROs), especially Gram-negative bacteria, is dramatically increasing in patient care settings, including pediatric and neonatal units. However, most of the new drugs available for the treatment of MDROs have not yet been studied in children and newborns. CASE REPORT We report the clinical case of a preterm neonate, born at 31 weeks gestation + 1 day of age by emergency Cesarean Section (CS), with a bloodstream infection (BSI) due to a Verona integron-borne metallo-β-lactamase (VIM)-producing Klebsiella pneumoniae. We successfully treated the infection with cefiderocol in an off-label regimen at the following dose: loading dose 60 mg/kg and then 40 mg/kg every 8 h in extended infusion for 9 days. The baby showed a quick clinical and biochemical improvement and tolerated well the treatment. Follow-up blood cultures at 48 h after the start of cefiderocol were negative. CONCLUSIONS Antimicrobial-resistant pathogens are of increasing concern in neonatal settings. More studies in this unique population are necessary to better describe the pharmacokinetic and pharmacodynamic profile of the new drugs against MDROs, such as cefiderocol, and to define a proper effective dose.
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Affiliation(s)
- Caterina Monari
- Department of Mental Health and Public Medicine - Infectious Diseases Unit, University of Campania Luigi Vanvitelli, Via L. Armanni 5, 80131, Naples, Italy
| | - Ferdinando Spagnuolo
- Neonatal Intensive Care Unit, University of Campania Luigi Vanvitelli, Naples, Italy
| | - Mariantonietta Pisaturo
- Department of Mental Health and Public Medicine - Infectious Diseases Unit, University of Campania Luigi Vanvitelli, Via L. Armanni 5, 80131, Naples, Italy
| | - Serena Ascione
- Neonatal Intensive Care Unit, University of Campania Luigi Vanvitelli, Naples, Italy
| | - Giovanna Donnarumma
- Department of Experimental Medicine, Microbiology Section, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Federica Calò
- Department of Mental Health and Public Medicine - Infectious Diseases Unit, University of Campania Luigi Vanvitelli, Via L. Armanni 5, 80131, Naples, Italy
| | - Elisabetta Caredda
- Neonatal Intensive Care Unit, University of Campania Luigi Vanvitelli, Naples, Italy
| | - Fortunato Montella
- Department of Experimental Medicine, Microbiology Section, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Anna Maietta
- Neonatal Intensive Care Unit, University of Campania Luigi Vanvitelli, Naples, Italy
| | - Paolo Montaldo
- Neonatal Intensive Care Unit, University of Campania Luigi Vanvitelli, Naples, Italy
| | - Umberto Pugliese
- Neonatal Intensive Care Unit, University of Campania Luigi Vanvitelli, Naples, Italy
| | - Massimiliano Galdiero
- Department of Experimental Medicine, Microbiology Section, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Mauro Carpentieri
- Neonatal Intensive Care Unit, University of Campania Luigi Vanvitelli, Naples, Italy
| | - Nicola Coppola
- Department of Mental Health and Public Medicine - Infectious Diseases Unit, University of Campania Luigi Vanvitelli, Via L. Armanni 5, 80131, Naples, Italy.
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Montaldo P, Puzone S, Caredda E, Galdo F, Pugliese U, Maietta A, Ascione S, Diplomatico M, Spagnuolo F, Roma V, De Vivo M, Carpentieri M, Moschella S, Giordano L, D'Amico A, Capristo C, Travan L, Chello G, Miraglia Del Giudice E, Cirillo M. Magnetic Resonance Biomarkers and Neurological Outcome of Infants with Mild Hypoxic-Ischaemic Encephalopathy Who Progress to Moderate Hypoxic-Ischaemic Encephalopathy. Neonatology 2023; 120:153-160. [PMID: 36549280 DOI: 10.1159/000527871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Accepted: 10/30/2022] [Indexed: 12/24/2022]
Abstract
BACKGROUND There is increasing concern that infants with mild hypoxic-ischaemic encephalopathy (HIE) may develop seizures and progress to moderate HIE beyond the therapeutic window for cooling. OBJECTIVE The aim of this study was to examine the effect of therapeutic hypothermia on magnetic resonance imaging (MRI) biomarkers and neurological outcomes in infants with mild HIE and seizures within 24 h after birth. METHODS This study shows an observational cohort study on 366 (near)-term infants with mild HIE and normal amplitude-integrated electroencephalography background. RESULTS Forty-one infants showed progression (11.2%); 29/41 (70.7%) were cooled. Infants with progression showed cerebral metabolite perturbations and higher white matter injury scores compared to those without in both cooled and non-cooled groups (p = 0.001, p = 0.02). Abnormal outcomes were seen in 5/12 (42%) non-cooled and 7/29 (24%) cooled infants with progression (p = 0.26). CONCLUSIONS Early biomarkers are needed to identify infants with mild HIE at risk of progression. Mild HIE infants with progression showed a higher incidence of brain injury and abnormal outcomes.
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Affiliation(s)
- Paolo Montaldo
- Department of Neonatal Intensive Care, Università degli Studi della Campania Luigi Vanvitelli, Naples, Italy.,Department of Brain Sciences, Centre for Perinatal Neuroscience, Imperial College London, London, UK
| | - Simona Puzone
- Department of Neonatal Intensive Care, Università degli Studi della Campania Luigi Vanvitelli, Naples, Italy
| | - Elisabetta Caredda
- Department of Neonatal Intensive Care, Università degli Studi della Campania Luigi Vanvitelli, Naples, Italy
| | - Francesca Galdo
- Neonatal Intensive Care Unit, Institute for Maternal and Child Health-IRCCS "Burlo Garofolo", Trieste, Italy
| | - Umberto Pugliese
- Department of Neonatal Intensive Care, Università degli Studi della Campania Luigi Vanvitelli, Naples, Italy
| | - Anna Maietta
- Department of Neonatal Intensive Care, Università degli Studi della Campania Luigi Vanvitelli, Naples, Italy
| | - Serena Ascione
- Department of Neonatal Intensive Care, Università degli Studi della Campania Luigi Vanvitelli, Naples, Italy
| | - Mario Diplomatico
- Neonatal Intensive Care Unit, AORN San Giuseppe Moscati, Avellino, Italy
| | - Ferdinando Spagnuolo
- Department of Neonatal Intensive Care, Università degli Studi della Campania Luigi Vanvitelli, Naples, Italy
| | - Vincenzina Roma
- Department of Neonatology and NICU Pineta Grande Hospital, Castel Volturno, Italy
| | | | - Mauro Carpentieri
- Department of Neonatal Intensive Care, Università degli Studi della Campania Luigi Vanvitelli, Naples, Italy
| | - Sabino Moschella
- Neonatal Intensive Care Unit, AORN San Giuseppe Moscati, Avellino, Italy
| | - Lucio Giordano
- Department of Neonatology and NICU Pineta Grande Hospital, Castel Volturno, Italy
| | | | - Carlo Capristo
- Department of Neonatal Intensive Care, Università degli Studi della Campania Luigi Vanvitelli, Naples, Italy
| | - Laura Travan
- Neonatal Intensive Care Unit, Institute for Maternal and Child Health-IRCCS "Burlo Garofolo", Trieste, Italy
| | - Giovanni Chello
- Department of Neonatal Intensive Care, Monaldi Hospital, Naples, Italy
| | | | - Mario Cirillo
- Department of Advanced Medical and Surgical Sciences, MRI Research Center SUN-FISM, University of Campania Luigi Vanvitelli, Naples, Italy
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Petrillo F, Petrillo A, Marrapodi M, Capristo C, Gicchino MF, Montaldo P, Caredda E, Reibaldi M, Boatti LMV, Dell’Annunziata F, Folliero V, Galdiero M. Characterization and Comparison of Ocular Surface Microbiome in Newborns. Microorganisms 2022; 10:microorganisms10071390. [PMID: 35889110 PMCID: PMC9320102 DOI: 10.3390/microorganisms10071390] [Citation(s) in RCA: 1] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Revised: 06/29/2022] [Accepted: 07/06/2022] [Indexed: 12/10/2022] Open
Abstract
The ocular microbiome is of fundamental importance for immune eye homeostasis, and its alteration would lead to an impairment of ocular functionality. Little evidence is reported on the composition of the ocular microbiota of term infants and on the impact of antibiotic prophylaxis. Methods: A total of 20 conjunctival swabs were collected from newborns at birth and after antibiotic treatment. Samples were subjected to 16S rRNA sequencing via system MiSeq Illumina. The data were processed with the MicrobAT software and statistical analysis were performed using two-way ANOVA. Results: Antibiotic prophylaxis with gentamicin altered the composition of the microbiota. In detail, a 1.5- and 2.01-fold reduction was recorded for Cutibacterium acnes (C. acnes) and Massilia timonae (M. timonae), respectively, whereas an increase in Staphylococcus spp. of 6.5 times occurred after antibiotic exposure. Conclusions: Antibiotic prophylaxis altered the ocular microbiota whose understanding could avoid adverse effects on eye health.
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Affiliation(s)
- Francesco Petrillo
- Department of Surgical Sciences, Eye Clinic Section, University of Turin, 10124 Turin, Italy; (F.P.); (M.R.)
| | - Arianna Petrillo
- Pediatric Unit, Fondazione IRCCS “Ca’ Granda-Ospedale Maggiore-Policlinico”, 20122 Milan, Italy;
| | - Maddalena Marrapodi
- Department of Woman, Child and General and Specialist Surgery, University of Campania “Luigi Vanvitelli”, 80138 Napoli, Italy; (M.M.); (M.F.G.)
| | - Carlo Capristo
- Department of Neonatology, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (C.C.); (P.M.); (E.C.)
| | - Maria Francesca Gicchino
- Department of Woman, Child and General and Specialist Surgery, University of Campania “Luigi Vanvitelli”, 80138 Napoli, Italy; (M.M.); (M.F.G.)
| | - Paolo Montaldo
- Department of Neonatology, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (C.C.); (P.M.); (E.C.)
| | - Elisabetta Caredda
- Department of Neonatology, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (C.C.); (P.M.); (E.C.)
| | - Michele Reibaldi
- Department of Surgical Sciences, Eye Clinic Section, University of Turin, 10124 Turin, Italy; (F.P.); (M.R.)
| | | | - Federica Dell’Annunziata
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (F.D.); (V.F.)
| | - Veronica Folliero
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (F.D.); (V.F.)
| | - Marilena Galdiero
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (F.D.); (V.F.)
- Correspondence:
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Inserra E, Colella U, Caredda E, Diplomatico M, Puzone S, Moschella S, Capristo C, Tedeschi G, Caranci F, Cirillo M, Miraglia del Giudice E, Montaldo P. Safety and effectiveness of intranasal dexmedetomidine together with midazolam for sedation in neonatal MRI. Paediatr Anaesth 2022; 32:79-81. [PMID: 34618386 PMCID: PMC9292475 DOI: 10.1111/pan.14307] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Revised: 09/04/2021] [Accepted: 10/03/2021] [Indexed: 11/30/2022]
Affiliation(s)
- Emanuela Inserra
- Department of Neonatal Intensive CareUniversity of Campania Luigi VanvitelliNaplesItaly
| | - Umberto Colella
- Critical Care Area, Anaesthesia and Postoperative Intensive Care UnitAO Ospedale dei ColliMonaldi HospitalNaplesItaly
| | - Elisabetta Caredda
- Department of Neonatal Intensive CareUniversity of Campania Luigi VanvitelliNaplesItaly
| | | | - Simona Puzone
- Department of Neonatal Intensive CareUniversity of Campania Luigi VanvitelliNaplesItaly
| | - Sabino Moschella
- Neonatal Intensive Care UnitAORN San Giusepe MoscatiAvellinoItaly
| | - Carlo Capristo
- Department of Neonatal Intensive CareUniversity of Campania Luigi VanvitelliNaplesItaly
| | - Gioacchino Tedeschi
- Department of Advanced Medical and Surgical SciencesMRI Research Center SUN‐FISMUniversity of Campania Luigi VanvitelliNaplesItaly
| | - Ferdinando Caranci
- Department of Precision MedicineSchool of Medicine "Luigi Vanvitelli"University of CampaniaNaplesItaly
| | - Mario Cirillo
- Department of Advanced Medical and Surgical SciencesMRI Research Center SUN‐FISMUniversity of Campania Luigi VanvitelliNaplesItaly
| | | | - Paolo Montaldo
- Department of Neonatal Intensive CareUniversity of Campania Luigi VanvitelliNaplesItaly,Centre for Perinatal NeuroscienceImperial College LondonLondonUK
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Zanfardino A, Carpentieri M, Piscopo A, Curto S, Miraglia del Giudice E, Inverardi A, Diplomatico M, Moschella S, Spagnuolo F, Caredda E, Montaldo P, Iafusco D. Sensor Augmented Pump Therapy is Safe and Effective in Very Low Birth Weight Newborns Affected by Neonatal Diabetes Mellitus, With Poor Subcutaneous Tissue: Replacement of the Insulin Pump Infusion Set on the Arm, a Video Case Report. J Diabetes Sci Technol 2022; 16:254-255. [PMID: 34474595 PMCID: PMC8875043 DOI: 10.1177/19322968211043112] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- Angela Zanfardino
- Department of Pediatrics – University of the Study of Campania, via Sant’Andrea delle Dame,4, Naples, Italy
- Angela Zanfardino MD, Regional Centre for Pediatric Diabetes, University of the Campania “L. Vanvitelli”, Via Sant’Andrea delle Dame, 4, Naples, 80138, Italy.
| | - Mauro Carpentieri
- Department of Pediatrics – University of the Study of Campania, via Sant’Andrea delle Dame,4, Naples, Italy
| | - Alessia Piscopo
- Department of Pediatrics – University of the Study of Campania, via Sant’Andrea delle Dame,4, Naples, Italy
| | - Stefano Curto
- Department of Pediatrics – University of the Study of Campania, via Sant’Andrea delle Dame,4, Naples, Italy
| | | | - Alessia Inverardi
- Department of Pediatrics – University of the Study of Campania, via Sant’Andrea delle Dame,4, Naples, Italy
| | - Mario Diplomatico
- Department of Neonatal Intensive Care, San Giuseppe Moscati Hospital, Avellino, Italy
| | - Sabino Moschella
- Department of Neonatal Intensive Care, San Giuseppe Moscati Hospital, Avellino, Italy
| | - Ferdinando Spagnuolo
- Department of Pediatrics – University of the Study of Campania, via Sant’Andrea delle Dame,4, Naples, Italy
| | - Elisabetta Caredda
- Department of Pediatrics – University of the Study of Campania, via Sant’Andrea delle Dame,4, Naples, Italy
| | - Paolo Montaldo
- Department of Pediatrics – University of the Study of Campania, via Sant’Andrea delle Dame,4, Naples, Italy
| | - Dario Iafusco
- Department of Pediatrics – University of the Study of Campania, via Sant’Andrea delle Dame,4, Naples, Italy
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9
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Montaldo P, Caredda E, Pugliese U, Zanfardino A, Delehaye C, Inserra E, Capozzi L, Chello G, Capristo C, Miraglia Del Giudice E, Iafusco D. Continuous glucose monitoring profile during therapeutic hypothermia in encephalopathic infants with unfavorable outcome. Pediatr Res 2020; 88:218-224. [PMID: 32120381 DOI: 10.1038/s41390-020-0827-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Revised: 01/10/2020] [Accepted: 02/01/2020] [Indexed: 10/24/2022]
Abstract
BACKGROUND The relation between glucose homeostasis and outcome in hypoxic-ischemic encephalopathy (HIE) is unclear. To investigate whether glucose abnormalities assessed by using continuous interstitial glucose monitoring (CGM) correlate with later neurological outcomes in HIE. METHODS Prospective cohort study recruiting full-term neonates who received therapeutic hypothermia for HIE. CGM devices were placed soon after birth and recorded glucose profile for 3 days. The association between hypoglycemia (≤50 mg/dL), hyperglycemia (>144 mg/dL) and primary outcome defined as death or moderate or severe disability was examined with generalized estimating equations adjusted for Apgar scores, umbilical artery pH and base deficit. Neurodevelopmental outcome was assessed between 18 and 24 months. RESULTS Fifty-four neonates had outcome data available for the analysis; 19 of them (35%) had adverse outcome. Longer duration of hypoglycemia (OR 7.1, 95% CI 1.8-20.3, P < 0.001) and hyperglycemia (OR 5.4, 95% CI 1.6-15.7, P < 0.001), a greater area under the hypoglycemic (OR 2.6, 95% CI 1.4-4.6, P = 0.04) and hyperglycemic (OR 6.4, 95% CI 1.9-16.3, P < 0.001) curve were significantly associated with adverse outcomes. CONCLUSION Both hyper and hypoglycemia may be associated with adverse outcome in neonates with HIE. Future studies are needed to assess their prognostic association with neurological outcome. IMPACT Glucose abnormalities during therapeutic hypothermia are associated with later neurological outcomes.Increased glucose variability correlates to the neurological outcome between 18 and 24 months.This study provides the first data on the continuous glucose profile in a group of HIE infants followed up to 2 years of age.Glucose homeostasis represents a key point in the management of HIE patients.Further research is needed to find the appropriate glycemic target in this population.
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Affiliation(s)
- Paolo Montaldo
- Department of Neonatal Intensive Care, University of Campania "Luigi Vanvitelli", Naples, Italy. .,Centre for Perinatal Neuroscience, Imperial College London, London, UK.
| | - Elisabetta Caredda
- Department of Neonatal Intensive Care, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Umberto Pugliese
- Department of Neonatal Intensive Care, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Angela Zanfardino
- Regional Centre for Pediatric Diabetes, Department of Pediatrics, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Chiara Delehaye
- Department of Neonatal Intensive Care, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Emanuela Inserra
- Department of Neonatal Intensive Care, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Laura Capozzi
- Department of Neonatal Intensive Care, Monaldi Hospital, Naples, Italy
| | - Giovanni Chello
- Department of Neonatal Intensive Care, Monaldi Hospital, Naples, Italy
| | - Carlo Capristo
- Department of Neonatal Intensive Care, University of Campania "Luigi Vanvitelli", Naples, Italy
| | | | - Dario Iafusco
- Regional Centre for Pediatric Diabetes, Department of Pediatrics, University of Campania "Luigi Vanvitelli", Naples, Italy
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10
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Inserra E, Caredda E, Santantonio A, Capristo C, Giudice E, Chello G, Montaldo P. The Predictive Accuracy of High Sensitivity Cardiac Troponin I in Neonatal Encephalopathy. Clin Lab 2020; 66. [DOI: 10.7754/clin.lab.2019.190648] [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: 11/03/2022]
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11
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Corbet Burcher G, Liang H, Lancaster R, Cross JH, Tisdall M, Varadkar S, Spoudeas HA, Caredda E, Bennett S, Heyman I. Neuropsychiatric profile of paediatric hypothalamic hamartoma: systematic review and case series. Dev Med Child Neurol 2019; 61:1377-1385. [PMID: 30977116 DOI: 10.1111/dmcn.14241] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 02/20/2019] [Indexed: 12/22/2022]
Abstract
AIM To evaluate neuropsychiatric comorbidities in children and adolescents with hypothalamic hamartoma. METHOD We retrospectively analysed case notes for all individuals with hypothalamic hamartoma referred to Great Ormond Street Hospital, London, between 2000 and 2016. In addition, a systematic review aiming to identify all previous paediatric case series was performed. Psychiatric symptoms, demographics, physical comorbidities, and cognitive functioning were recorded for all cases where possible. Analyses were performed to determine which factors were associated with psychopathology and potential mechanisms investigated. RESULTS Forty-six cases were included in the case series (28 males, 18 females; mean age at assessment 11y 8mo [1y 11mo-16y 11mo, SD 4y 0mo]). Twenty-nine papers representing data from 264 cases met inclusion criteria for the systematic review. Overall, at least 50% of cases presented with psychopathology. Epilepsy, intellectual disability, and male sex were associated with externalizing disorders (attention-deficit/hyperactivity disorder, conduct and oppositional defiance disorders, and rage attacks). Intellectual disability mediated the effects of epilepsy on externalizing psychopathology. No factors were associated with internalizing disorders (anxiety and depressive disorders), although these were not well reported. INTERPRETATION Psychiatric comorbidities are highly prevalent in the presentation of paediatric hypothalamic hamartoma. The aetiology of psychopathology comprises a range of interacting biological and psychosocial factors with particular influence from epilepsy. Further research is required to achieve an evidence base for treatment. WHAT THIS PAPER ADDS Over half of children with hypothalamic hamartoma present with psychiatric comorbidity. Externalizing and internalizing disorders are present in approximately 60% and 30% of children with hypothalamic hamartomas respectively. Epilepsy and male sex are associated with externalizing psychopathology. Intellectual disability mediates the association between epilepsy and externalizing symptoms. No clear associations are evident for internalizing disorders or precocious puberty.
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Affiliation(s)
- Georgina Corbet Burcher
- Department of Child and Adolescent Psychiatry, Centre for Psychiatry, Imperial College London, London, UK
| | - Holan Liang
- Department of Psychological Medicine, Great Ormond Street Hospital for Children, London, UK.,UCL Great Ormond Street Institute of Child Health, London, UK
| | - Rebecca Lancaster
- Department of Child and Adolescent Psychiatry, Centre for Psychiatry, Imperial College London, London, UK
| | - J Helen Cross
- UCL Great Ormond Street Institute of Child Health, London, UK.,Department of Neurology, Great Ormond Street Hospital for Children, London, UK
| | - Martin Tisdall
- UCL Great Ormond Street Institute of Child Health, London, UK.,Department of Neurosurgery, Great Ormond Street Hospital for Children, London, UK
| | - Sophia Varadkar
- UCL Great Ormond Street Institute of Child Health, London, UK.,Department of Neurology, Great Ormond Street Hospital for Children, London, UK
| | - Helen A Spoudeas
- UCL Great Ormond Street Institute of Child Health, London, UK.,Department of Paediatric Neuroendocrinology, Great Ormond Street Hospital for Children and University College Hospital, London, UK
| | - Elisabetta Caredda
- Evelina London Children's Hospital, Guy's and St Thomas' Hospital NHS Foundation Trust, London, UK
| | - Sophie Bennett
- Department of Psychological Medicine, Great Ormond Street Hospital for Children, London, UK.,UCL Great Ormond Street Institute of Child Health, London, UK
| | - Isobel Heyman
- Department of Psychological Medicine, Great Ormond Street Hospital for Children, London, UK.,UCL Great Ormond Street Institute of Child Health, London, UK
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12
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Gilardi F, Mariani T, Liotta G, Musolino M, Caredda E, Morciano L, Giliberti C, Morbidelli S, Lucaroni F. Risk of fall among the hospitalized over-49 population. A retrospective cohort study in a hospital. Eur J Public Health 2019. [DOI: 10.1093/eurpub/ckz185.144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
Despite the copious efforts made to prevent the problem, inpatient falls remain one of the most common adverse events in hospitals, with high risks in term of morbidity and mortality rates, as well as high costs for the healthcare system. This study aims to evaluate the inpatient falls incidence rate in a hospital in Rome, Italy.
Methods
A retrospective cohort study has been set out based on data collected by a Risk Management Unit concerning the falls of patients over 49 years, which happened in the hospital between 1st July 2008 and 30th June 2013. Data collected from the incident report forms were inserted in a database and analyzed using the statistical program SPSS, 20.0 Illinois version.
Results
During the period observed, 516 falls were reported. Patients who fell had a mean age of 68.8 years (SD ± 16.2). The falls are distributed for these age groups: 109 (21.1%) in 50-64; 129 (25%) in 65-74; 181 (35.1%) in 75-84; 97 (18.8%) in > 84. Fall incidence rate was calculated on the overall number of hospital admissions in the observed period (N = 35,812) (1.44 per 100 hospital admissions IC95% 1.32-1.56). Most of the patients were men (333; 64.5%) and older than 75 (53.9%). Inpatient falls were more frequent in the medicine wards (incidence rate 2.2 per 100 hospital admissions, IC95% 1.85-2.55,). The 51.6% of falls happened during the night shift. Severe outcome resulted in 13.6% of falls. Most of the falls (52.3%) happened within three days from the hospital admission. At multivariate analysis, a period of 2-3 days from hospital admission is the main risk factor to determine severe outcomes such as death or cranial trauma (p = 0.02; OR 2.87 IC95% 1.16-7.09).
Conclusions
The study contributes to measure the phenomenon in older adults and age group 50-64, identifying a specific indicator to properly measure inpatient falls incidence rate in the elderly. The study gives indications on the main risk factors related to this adverse event and on prevention strategies.
Key messages
Falls in hospital is an important adverse event not only in the elderly. The first period of three days from the hospital admission constitutes the main risk factor for the falls.
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Affiliation(s)
- F Gilardi
- Department of Biomedicine and Preventio, University of Rome Tor Vergata, Rome, Italy
| | - T Mariani
- Department of Prevention, Health Local Authority Latina, Latina, Italy
| | - G Liotta
- Department of Biomedicine and Preventio, University of Rome Tor Vergata, Rome, Italy
| | - M Musolino
- Risk Management, Health Local Authority Rieti, Rieti, Italy
| | - E Caredda
- Department of Biomedicine and Preventio, University of Rome Tor Vergata, Rome, Italy
| | - L Morciano
- Department of Biomedicine and Preventio, University of Rome Tor Vergata, Rome, Italy
| | - C Giliberti
- Department of Prevention, Health Local Authority Roma 2, Rome, Italy
| | - S Morbidelli
- Informative Systems, Health Local Authority Roma 2, Rome, Italy
| | - F Lucaroni
- Department of Biomedicine and Preventio, University of Rome Tor Vergata, Rome, Italy
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13
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Abstract
Serum biomarkers of myocardial damage are commonly used in babies after perinatal asphyxia. We present a case report of a persistently troponin I elevation without evidence of clinical or instrumental signs of myocardial ischaemia in a baby with perinatal asphyxia. When the blood was mixed with polyethylene glycol we found that the troponin I levels were falsely elevated due to interfering antibodies. This case shows that analytical errors may still occur despite modern immunoassay systems and underlines the need for further investigations to identify false-positive values in case of disagreement between clinical conditions and laboratory values.
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Affiliation(s)
- Elisabetta Caredda
- Department of Neonatal Intensive Care, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Roberto Rosso
- Neonatal Intensive Care, Monaldi Hospital, Naples, Italy
| | - Carlo Capristo
- Department of Neonatal Intensive Care, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Paolo Montaldo
- Department of Neonatal Intensive Care, University of Campania "Luigi Vanvitelli", Naples, Italy.,Department of Paediatrics, Centre for Perinatal Neuroscience, Imperial College London, London, UK
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14
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Montaldo P, Cuccaro P, Caredda E, Pugliese U, De Vivo M, Orbinato F, Magri D, Rojo S, Rosso R, Santantonio A, Vitiello R, Vacchiano T, Chello G, Del Giudice EM, Giliberti P. Electrocardiographic and echocardiographic changes during therapeutic hypothermia in encephalopathic infants with long-term adverse outcome. Resuscitation 2018; 130:99-104. [PMID: 30009925 DOI: 10.1016/j.resuscitation.2018.07.014] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2018] [Revised: 07/11/2018] [Accepted: 07/12/2018] [Indexed: 12/16/2022]
Abstract
AIM To assess the electrocardiography and echocardiography changes during therapeutic hypothermia and rewarming period in encephalopathic infants with long-term adverse neurological outcome. METHODS Prospective multicentre longitudinal study. We included 64 consecutive infants with moderate or severe hypoxic ischaemic encephalopathy undergoing therapeutic hypothermia who had 18-24 month-outcome data. We analysed electrocardiography and heart rate changes before, during and after therapeutic hypothermia. Superior vena cava flow, left ventricular cardiac output and stroke volume were studied using echocardiography during and immediately after therapeutic hypothermia. An abnormal outcome was defined as death or moderate/severe disability at 18-24 months. RESULTS Neonates with higher superior vena cava flow pre-rewarming had significantly higher odds of documented long-term adverse outcome when compared to newborns with good outcome (OR 1.57; 95%CI, 1.1-1.78; p = 0.01 after adjustment). QTc and RR intervals were significantly longer at 12, 24, 36 and 48 h in infants with good outcome compared with those with adverse outcome (p < 0.001). During therapeutic hypothermia, infants with poor outcome had a higher heart rate at 12, 24, 36, 48, 60 h after birth compared with those with good outcome (p < 0.001). From 36 h on, heart rate gradually increased and RR and QTc intervals progressively shortened with values back to normal after rewarming. CONCLUSIONS Infants with hypoxic ischaemic encephalopathy who have adverse neurological outcome show a preferential cerebral blood flow redistribution during therapeutic hypothermia. Infants with poor outcome have higher heart rate and shorter RR and QTc intervals during therapeutic hypothermia.
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Affiliation(s)
- Paolo Montaldo
- Department of Neonatal Intensive Care, University of Campania "Luigi Vanvitelli", Naples, Italy; Centre for Perinatal Neuroscience, Imperial College London, London, UK.
| | - Pasquale Cuccaro
- Department of Paediatrics, SS Annunziata Hospital, Naples, Italy
| | - Elisabetta Caredda
- Department of Neonatal Intensive Care, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Umberto Pugliese
- Department of Neonatal Intensive Care, University of Campania "Luigi Vanvitelli", Naples, Italy
| | | | | | - Daniela Magri
- Department of Neonatal Intensive Care, Monaldi Hospital, Naples, Italy
| | - Silvana Rojo
- Department of Neonatal Intensive Care, Monaldi Hospital, Naples, Italy
| | - Roberto Rosso
- Department of Neonatal Intensive Care, Monaldi Hospital, Naples, Italy
| | | | - Renato Vitiello
- Department of Paediatrics, Azienda Sanitaria Locale Napoli 3 Sud, Naples, Italy
| | - Teresa Vacchiano
- Department of Neonatal Intensive Care, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Giovanni Chello
- Department of Neonatal Intensive Care, Monaldi Hospital, Naples, Italy
| | | | - Paolo Giliberti
- Department of Neonatal Intensive Care, Monaldi Hospital, Naples, Italy
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Capuano I, Orsaria P, Caredda E, Foglio F, Saraceno F, Sileri P, Petrella G, Buonomo O. One-stage versus two-stage implant-based breast reconstruction after breast surgery for cancer. Eur J Cancer 2018. [DOI: 10.1016/s0959-8049(18)30323-x] [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: 12/01/2022]
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Borghini A, Caredda E, Paglione L, Baccolini V, Michelazzo MB, Petitti T, Gilardi F, Poscia A, Ricciardi W. A comparative analysis of prevention governance in four European countries. Eur J Public Health 2017. [DOI: 10.1093/eurpub/ckx186.092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- A Borghini
- Institute of Public Health, Università Cattolica del Sacro Cuore-Accademia Romana di Sanità Pubblica, Rome, Italy
| | - E Caredda
- Department of Public Health and Infectious Diseases, Sapienza-Accademia Romana di Sanità Pubblica, Rome, Italy
| | - L Paglione
- Department of Public Health and Infectious Diseases, Sapienza-Accademia Romana di Sanità Pubblica, Rome, Italy
| | - V Baccolini
- Department of Public Health and Infectious Diseases, Sapienza-Accademia Romana di Sanità Pubblica, Rome, Italy
| | - MB Michelazzo
- Institute of Public Health, Università Cattolica del Sacro Cuore-Accademia Romana di Sanità Pubblica, Rome, Italy
| | - T Petitti
- Università Campus Biomedico – Rome, Italy – Accademia Romana di Sanità Pubblica, Rome, Italy
| | - F Gilardi
- Department of Biomedicine&Prevention, University of Tor Vergata-Accademia Romana di Sanità Pubblica, Rome, Italy
| | - A Poscia
- Institute of Public Health, Università Cattolica del Sacro Cuore-Accademia Romana di Sanità Pubblica, Rome, Italy
| | - W Ricciardi
- Università Cattolica del Sacro Cuore-Accademia Romana di Sanità Pubblica, Rome, Italy
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17
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Iafusco D, Piscopo A, Confetto S, Cocca A, Pezzino G, Caredda E, Casaburo F, Villano P, Russo L, Zanfardino A, Prisco F. Lower limbs edema by insulin glargine treatment: two other cases in pediatrics. Acta Diabetol 2016; 53:503-5. [PMID: 26239143 DOI: 10.1007/s00592-015-0797-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2015] [Accepted: 07/13/2015] [Indexed: 01/12/2023]
Affiliation(s)
- Dario Iafusco
- Department of Pediatrics, Second University of Naples, Via S.Andrea delle Dame, 4, 80138, Naples, Italy.
| | - Alessia Piscopo
- Department of Pediatrics, Second University of Naples, Via S.Andrea delle Dame, 4, 80138, Naples, Italy
| | - Santino Confetto
- Department of Pediatrics, Second University of Naples, Via S.Andrea delle Dame, 4, 80138, Naples, Italy
| | - Alessandra Cocca
- Department of Pediatrics, Second University of Naples, Via S.Andrea delle Dame, 4, 80138, Naples, Italy
| | - Giulia Pezzino
- Endocrinology, Department of Clinical and Molecular Bio-Medicine, Garibaldi-Nesima Hospital, University of Catania, Via Palermo 636, 95122, Catania, Italy
| | - Elisabetta Caredda
- Department of Pediatrics, Second University of Naples, Via S.Andrea delle Dame, 4, 80138, Naples, Italy
| | - Francesca Casaburo
- Department of Pediatrics, Second University of Naples, Via S.Andrea delle Dame, 4, 80138, Naples, Italy
| | - Pasquale Villano
- Department of Pediatrics, Second University of Naples, Via S.Andrea delle Dame, 4, 80138, Naples, Italy
| | - Loredana Russo
- Department of Pediatrics, Second University of Naples, Via S.Andrea delle Dame, 4, 80138, Naples, Italy
| | - Angela Zanfardino
- Department of Pediatrics, Second University of Naples, Via S.Andrea delle Dame, 4, 80138, Naples, Italy
| | - Francesco Prisco
- Department of Pediatrics, Second University of Naples, Via S.Andrea delle Dame, 4, 80138, Naples, Italy
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18
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Zanfardino A, Iafusco D, Piscopo A, Cocca A, Villano P, Confetto S, Caredda E, Picariello S, Russo L, Casaburo F, Rollato AS, Forgione E, Zuccotti G, Prisco F, Scaramuzza AE. Continuous subcutaneous insulin infusion in preschool children: butt or tummy, which is the best infusion set site? Diabetes Technol Ther 2014; 16:563-6. [PMID: 24801644 DOI: 10.1089/dia.2013.0357] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [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: 01/22/2023]
Abstract
BACKGROUND Choosing the right infusion set site can be an important factor in obtaining good glycemic control, especially in very young children. In an attempt to identify the best infusion site, we performed a crossover study in six preschool children with type 1 diabetes using insulin pump therapy. SUBJECTS AND METHODS We enrolled six patients 5.2±0.7 years old (range, 4-6 years), with type 1 diabetes for more than 1.5 years, using insulin pump therapy for at least 6 months. For each patient, body mass index, glycated hemoglobin, and all data downloaded from the system were evaluated on two occasions: the first with the infusion set placed on the buttock and the second on the abdomen, each for 3 days. The order of infusion set placement was randomized. Mean capillary blood glucose, mean continuous glycemia, mean area under the curve (AUC) using the trapezoidal rule for both >140 mg/dL and <70 mg/dL, insulin daily dose, carbohydrate/insulin ratio, total basal insulin, total bolus insulin, and mean amplitude of glucose excursions (MAGE) were evaluated. RESULTS Mean glycemic values, mean AUC >140 mg/dL, and MAGE were significantly lower when the infusion set was placed on the buttock versus the abdomen (144.6±31.9 mg/dL vs. 166.0±34.8 mg/dL [P=0.000], 28.4±18.3% vs. 48.8±28.2% [P=0.000], and 32±10 vs. 60±15 mg/dL [P<0.001], respectively), whereas mean AUC <70 mg/dL was higher (1.47±2.77% vs. 0.87±1.03% [P<0.001]). CONCLUSIONS The present findings suggest that preschool children with type 1 diabetes using insulin pump therapy could benefit from inserting the infusion set in the buttock instead of the abdomen.
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Affiliation(s)
- Angela Zanfardino
- 1 Department of Pediatrics, Second University of Naples , Naples, Italy
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Pinelli M, Acquaviva F, Barbetti F, Caredda E, Cocozza S, Delvecchio M, Mozzillo E, Pirozzi D, Prisco F, Rabbone I, Sacchetti L, Tinto N, Toni S, Zucchini S, Iafusco D. Identification of candidate children for maturity-onset diabetes of the young type 2 (MODY2) gene testing: a seven-item clinical flowchart (7-iF). PLoS One 2013; 8:e79933. [PMID: 24244580 PMCID: PMC3823596 DOI: 10.1371/journal.pone.0079933] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2012] [Accepted: 10/04/2013] [Indexed: 12/30/2022] Open
Abstract
MODY2 is the most prevalent monogenic form of diabetes in Italy with an estimated prevalence of about 0.5–1.5%. MODY2 is potentially indistinguishable from other forms of diabetes, however, its identification impacts on patients' quality of life and healthcare resources. Unfortunately, DNA direct sequencing as diagnostic test is not readily accessible and expensive. In addition current guidelines, aiming to establish when the test should be performed, proved a poor detection rate. Aim of this study is to propose a reliable and easy-to-use tool to identify candidate patients for MODY2 genetic testing. We designed and validated a diagnostic flowchart in the attempt to improve the detection rate and to increase the number of properly requested tests. The flowchart, called 7-iF, consists of 7 binary “yes or no” questions and its unequivocal output is an indication for whether testing or not. We tested the 7-iF to estimate its clinical utility in comparison to the clinical suspicion alone. The 7-iF, in a prospective 2-year study (921 diabetic children) showed a precision of about the 76%. Using retrospective data, the 7-iF showed a precision in identifying MODY2 patients of about 80% compared to the 40% of the clinical suspicion. On the other hand, despite a relatively high number of missing MODY2 patients, the 7-iF would not suggest the test for 90% of the non-MODY2 patients, demonstrating that a wide application of this method might 1) help less experienced clinicians in suspecting MODY2 patients and 2) reducing the number of unnecessary tests. With the 7-iF, a clinician can feel confident of identifying a potential case of MODY2 and suggest the molecular test without fear of wasting time and money. A Qaly-type analysis estimated an increase in the patients' quality of life and savings for the health care system of about 9 million euros per year.
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Affiliation(s)
- Michele Pinelli
- Department of Molecular Medicine and Medical Biotechnologies, University of Naples “Federico II”, Naples, Italy
| | - Fabio Acquaviva
- Department of Molecular Medicine and Medical Biotechnologies, University of Naples “Federico II”, Naples, Italy
| | - Fabrizio Barbetti
- Laboratory of Molecular Endocrinology and Metabolism, Bambino Gesù Children's Hospital, Scientific Institute - Laboratory of Mendelian Diabetes, Rome, Italy
| | | | - Sergio Cocozza
- Department of Molecular Medicine and Medical Biotechnologies, University of Naples “Federico II”, Naples, Italy
| | - Maurizio Delvecchio
- Pediatrics Unit, IRCCS Casa Sollievo della Sofferenza Hospital, S. Giovanni Rotondo (FG), Italy
| | - Enza Mozzillo
- Department of Pediatrics, University of Naples “Federico II”, Naples, Italy
| | - Daniele Pirozzi
- Department of Molecular Medicine and Medical Biotechnologies, University of Naples “Federico II”, Naples, Italy
- CEINGE – Advanced Biotechnologies S. C. a R. L., Naples, Italy
| | - Francesco Prisco
- Department of Pediatrics, Second University of Naples, Naples, Italy
| | - Ivana Rabbone
- Department of Pediatrics, University of Turin, Turin, Italy
| | - Lucia Sacchetti
- Department of Molecular Medicine and Medical Biotechnologies, University of Naples “Federico II”, Naples, Italy
- CEINGE – Advanced Biotechnologies S. C. a R. L., Naples, Italy
| | - Nadia Tinto
- Department of Molecular Medicine and Medical Biotechnologies, University of Naples “Federico II”, Naples, Italy
- CEINGE – Advanced Biotechnologies S. C. a R. L., Naples, Italy
| | - Sonia Toni
- Pediatric Diabetologic Unit, Meyer Children Hospital, Florence, Italy
| | | | - Dario Iafusco
- Department of Pediatrics, Second University of Naples, Naples, Italy
- * E-mail:
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20
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Marongiu MF, Poddie D, Porcu S, Manchinu MF, Castelli MP, Sogos V, Bini V, Frau R, Caredda E, Collu M, Ristaldi MS. Reversible disruption of pre-pulse inhibition in hypomorphic-inducible and reversible CB1-/- mice. PLoS One 2012; 7:e35013. [PMID: 22558109 PMCID: PMC3338749 DOI: 10.1371/journal.pone.0035013] [Citation(s) in RCA: 8] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2011] [Accepted: 03/08/2012] [Indexed: 11/19/2022] Open
Abstract
Although several genes are implicated in the pathogenesis of schizophrenia, in animal models for such a severe mental illness only some aspects of the pathology can be represented (endophenotypes). Genetically modified mice are currently being used to obtain or characterize such endophenotypes. Since its cloning and characterization CB1 receptor has increasingly become of significant physiological, pharmacological and clinical interest. Recently, its involvement in schizophrenia has been reported. Among the different approaches employed, gene targeting permits to study the multiple roles of the endocannabinoid system using knockout ((-/-)) mice represent a powerful model but with some limitations due to compensation. To overcome such a limitation, we have generated an inducible and reversible tet-off dependent tissue-specific CB1(-/-) mice where the CB1R is re-expressed exclusively in the forebrain at a hypomorphic level due to a mutation (IRh-CB1(-/-)) only in absence of doxycycline (Dox). In such mice, under Dox(+) or vehicle, as well as in wild-type (WT) and CB1(-/-), two endophenotypes motor activity (increased in animal models of schizophrenia) and pre-pulse inhibition (PPI) of startle reflex (disrupted in schizophrenia) were analyzed. Both CB1(-/-) and IRh-CB1(-/-) showed increased motor activity when compared to WT animals. The PPI response, unaltered in WT and CB1(-/-) animals, was on the contrary highly and significantly disrupted only in Dox(+) IRh-CB1(-/-) mice. Such a response was easily reverted after either withdrawal from Dox or haloperidol treatment. This is the first Inducible and Reversible CB1(-/-) mice model to be described in the literature. It is noteworthy that the PPI disruption is not present either in classical full CB1(-/-) mice or following acute administration of rimonabant. Such a hypomorphic model may provide a new tool for additional in vivo and in vitro studies of the physiological and pathological roles of cannabinoid system in schizophrenia and in other psychiatric disorders.
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MESH Headings
- Analysis of Variance
- Animals
- Base Sequence
- DNA Primers/genetics
- DNA, Complementary/genetics
- Doxycycline/pharmacology
- Endophenotypes
- Gene Expression Regulation/drug effects
- Genetic Vectors/genetics
- Immunohistochemistry
- Male
- Mice
- Mice, Knockout
- Models, Animal
- Molecular Sequence Data
- Motor Activity/drug effects
- Motor Activity/physiology
- Oligonucleotides/genetics
- Prosencephalon/drug effects
- Prosencephalon/metabolism
- Real-Time Polymerase Chain Reaction
- Receptor, Cannabinoid, CB1/deficiency
- Receptor, Cannabinoid, CB1/genetics
- Reflex, Startle/drug effects
- Reflex, Startle/physiology
- Schizophrenia/genetics
- Sequence Analysis, DNA
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Affiliation(s)
- Maria Franca Marongiu
- Institute of Genetic and Biomedical Research, National Research Council (IRGB-CNR), Monserrato, Italy
| | - Daniela Poddie
- Institute of Genetic and Biomedical Research, National Research Council (IRGB-CNR), Monserrato, Italy
| | - Susanna Porcu
- Institute of Genetic and Biomedical Research, National Research Council (IRGB-CNR), Monserrato, Italy
| | - Maria Francesca Manchinu
- Institute of Genetic and Biomedical Research, National Research Council (IRGB-CNR), Monserrato, Italy
| | - Maria Paola Castelli
- Division of Neuroscience and Clinical Pharmacology, Department of Biomedical Sciences, University of Cagliari, Monserrato, Italy
- Center of Excellence for Neurobiology of Drug Dependence, University of Cagliari, Monserrato, Italy
| | - Valeria Sogos
- Division of Neuroscience and Clinical Pharmacology, Department of Biomedical Sciences, University of Cagliari, Monserrato, Italy
| | - Valentina Bini
- Division of Neuroscience and Clinical Pharmacology, Department of Biomedical Sciences, University of Cagliari, Monserrato, Italy
| | - Roberto Frau
- Division of Neuroscience and Clinical Pharmacology, Department of Biomedical Sciences, University of Cagliari, Monserrato, Italy
| | - Elisabetta Caredda
- Division of Neuroscience and Clinical Pharmacology, Department of Biomedical Sciences, University of Cagliari, Monserrato, Italy
| | - Maria Collu
- Division of Neuroscience and Clinical Pharmacology, Department of Biomedical Sciences, University of Cagliari, Monserrato, Italy
- Center of Excellence for Neurobiology of Drug Dependence, University of Cagliari, Monserrato, Italy
- * E-mail: (MC); (MSR)
| | - Maria Serafina Ristaldi
- Institute of Genetic and Biomedical Research, National Research Council (IRGB-CNR), Monserrato, Italy
- * E-mail: (MC); (MSR)
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21
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Montaldo L, Montaldo P, Caredda E, D'Arco A. Association between exposure to secondhand smoke and sleep bruxism in children: a randomised control study. Tob Control 2012; 21:392-5. [PMID: 22246780 DOI: 10.1136/tobaccocontrol-2011-050217] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
BACKGROUND Exposure to secondhand smoke (SHS) is a serious public health threat and represents a preventable cause of morbidity among children. Sleep bruxism is characterised by teeth grinding or clenching movements during sleep and may begin in adulthood as well as in childhood. OBJECTIVES To investigate the association between SHS exposure and sleep bruxism in children. METHODS Sleep bruxism was investigated in 498 children (mean age: 9.2±1.9). Family members were interviewed and asked whether they smoked in the presence of their children. Children were classified according to their exposure to SHS into heavily, moderately, lightly and occasionally exposed. Children with sleep bruxism and exposed to SHS were randomly divided into two groups: children in group 1 were not exposed to SHS for 6 months, whereas children in group 2 were. RESULTS Thirty-one per cent of the children under investigation suffered from bruxism. Among them, 116 children (76%) were exposed to SHS. Exposed children showed a higher risk of sleep bruxism (p<0.05). After 6 months, sleep bruxism was found in 38% and in 90% of children, in the first and in the second group, respectively, this difference was statistically significant (p<0.05). In group 1, changes were statistically significant in those who were heavily and moderately exposed (p<0.05) but not in those lightly and occasionally exposed (p>0.05). In group 2, changes were not statistically significant (p>0.05). CONCLUSION The findings showed that high and moderate exposure to SHS is associated with sleep bruxism in children.
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Affiliation(s)
- Luisa Montaldo
- Department of Dentistry, Second University of Naples, Via L. De Crecchio 4, Naples 80131, Italy.
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22
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Sgambato A, Caredda E, Leocata P, Rossi G, Boninsegna A, Vitale A, Grandi T, Cittadini A, Migaldi M. Expression of alpha-dystroglycan correlates with tumour grade and predicts survival in oral squamous cell carcinoma. Pathology 2010; 42:248-54. [PMID: 20350218 DOI: 10.3109/00313021003631361] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
AIMS Dystroglycan (DG) is a non-integrin adhesion molecule connecting the extracellular matrix to the actin cytoskeleton. Decreased expression of DG has been reported in several human cancers and related to tumour aggressiveness. METHODS Expression of the alpha-DG subunit was evaluated by immunostaining in a series of oral squamous cell carcinoma (OSCC) and its relation with traditional prognostic indicators and with the clinical outcome of the patients was evaluated. RESULTS Alpha-DG expression was easily detected in normal epithelium with a mean percentage of positive cells >80% but was undetectable in a significant fraction (59%) of OSCC. Loss of alpha-DG staining correlated with higher tumour grade (p = 0.04) and stage (p = 0.01), with nodal involvement (p = 0.001) and with an increased risk of recurrence (p = 0.002) and death (p = 0.004) in a univariate analysis, but it was not confirmed as an independent predictor of clinical outcome in a multivariate analysis. CONCLUSIONS Loss of alpha-DG expression, which corresponds to loss of a functional DG complex, is a frequent event in human OSCC. Further studies are warranted on the role of this molecule in the entire multistep process of oral squamous tumorigenesis.
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Affiliation(s)
- A Sgambato
- Centro di Ricerche Oncologiche Giovanni XXIII-Istituto di Patologia Generale, Università Cattolica del Sacro Cuore, Rome
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23
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Binaghi F, Fronteddu PF, Cannas F, Caredda E, Uras A, Garau P, Pitzus F. Prevalence of peripheral arterial occlusive disease and associated risk factors in a sample of southern Sardinian population. INT ANGIOL 1994; 13:233-45. [PMID: 7822900] [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: 01/27/2023]
Abstract
We studied a sample of adult population over 20 years old of Donori (totally 2049 inhabitants), a small town near Cagliari, South Sardinia, to: (1) Evaluate the prevalence of peripheral arterial occlusive disease of lower limbs (PAOD) diagnosed by standard questionnaire and US CW Doppler examination and associated risk factors in South Sardinia. (2) Compare the reliability of these two diagnostic methods. Our study included the answers to a standard anamnestic questionnaire (according to the WHO recommendations), physical examination and CW Doppler study of the lower limb arteries, the determination of the arterial systolic and diastolic pressure, ankle/arm pressure ratio, Body Mass Index, blood glucose, total and HDL-cholesterol, triglycerides and fibrinogen (the hematochemical examination only on 50% of the sample). The surveyed sample was of 577 subjects (37.96% of 1520, the eligible subjects over 20 years old), 237 males and 340 females. An arteriopathy was diagnosed by means of CW Doppler in 27 subjects, 20 M and 7 F. The overall prevalence of PAOD was 4.67% of the sample (2.06% of females, 8.43% of males). Prevalence steadily increased with age, and, surprisingly, the disease was not absent in young people (2 cases within males with age < or = 40 years). Conversely only 18.5% of PAOD patients were symptomatic. The overall prevalence of associated risk factors was: diabetes 3.6%, hypercholesterolaemia 59.1%, smoking 21.3%, arterial hypertension 21.6%, obesity 17.9%, hypertriglyceridaemia 9.3%, hyperfibrinogenaemia 4.67%. Among the males a significant correlation has been found, among the values of BMI vs age and total cholesterol, age vs total cholesterol, systolic blood pressure, diastolic pressure, fibrinogenaemia. Among the females, the systolic and diastolic pressure, BMI, total cholesterol, LDL-cholesterol, triglycerides and fibrinogen are significantly correlated with age; BMI correlates with systolic and diastolic blood pressure, fibrinogen; a nearly significant correlation has been found between BMI and triglycerides.
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Affiliation(s)
- F Binaghi
- Center of Study and Research on Angiologic Disease, Cagliari, Italy
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Abstract
Microorganisms from the oral flora were examined for the production of bacteriolytic substances. Among human viridans group streptococci, only one group of strains with thiol-dependent properties was shown to secrete enzymes with bacteriolytic activity on heat-killed cells of Micrococcus luteus on double-layer nutrient agar plates. By morphology, culture requirements, and biochemical properties, they were found to conform to descriptions of nutritionally variant streptococci (NVS). Bacteriolytic activity was shown to be a constant property of all of the human oral NVS isolated and a property of some reference strains of NVS from clinical sources. No other known species of viridans group streptococci demonstrated bacteriolytic activity. Analysis of bacteriolytic activity could be a useful tool for both the isolation and identification of this fastidious group of microorganisms.
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Affiliation(s)
- R Pompei
- Istituto di Microbiologia, Università degli Studi di Cagliari, Italy
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Abstract
In this work the incidence of Mediterranean spotted fever in the Borough of Cagliari (Sardinia) over the years 1982-1984 is evaluated. Our data show both an overall decrease of the incidence of the disease during this period of time with respect to the year 1980 and a significant reduction in the last year. In addition, the present study confirms the greater reliability of Immunofluorescence respect to the Weil-Felix reaction in revealing Mediterranean spotted fever. Finally we show a marked incidence of significant anti-Rickettsia conori antibodies in apparently healthy individuals, which stresses the not uncommon occurrence of subclinical infection.
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