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Bonucchi D, Castellani A, Orlandini G, Ripamonti M, Luzzana M, Mosca A. Urea Determination in Dialysis, based on a Differential pH Technique. Int J Artif Organs 2018. [DOI: 10.1177/039139888701000605] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The application of a new technique, based on differential measurements of pH, to determine urea concentration in patients of a dialysis center, is reported. Urea in plasma, whole blood or dialysis fluids is measured by an enzymatic reaction, with urease; the procedure, requiring 10 μL of sample, is simple, fast and correlates well with a reference spectrophotometric method, in the 0-300 mg/dL concentration range, according to the equation y = 1.0291 x - 0.0777; r = 0.9991; n = 73.
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Nobili V, Mosca A, Scorletti E, Byrne CD. Reply to: "Energy drinks and adolescents - A hepatic health hazard?". J Hepatol 2018; 68:857-858. [PMID: 29175240 DOI: 10.1016/j.jhep.2017.11.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2017] [Accepted: 11/16/2017] [Indexed: 12/04/2022]
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Nobili V, Della Corte C, Liccardo D, Mosca A, Caccamo R, Morino GS, Alterio A, De Peppo F. Obalon intragastric balloon in the treatment of paediatric obesity: a pilot study. Pediatr Obes 2018. [PMID: 29536662 DOI: 10.1111/ijpo.12272] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Baldari S, Annibale V, Lastoria S, Tucci M, Borsatti E, Monari F, Paganelli G, Verri E, Muto P, Panareo S, Mosca A, Storto G, Bagnato A, Farsad M, Bilancia D, Marchetti P, Sternberg C, Procopio G, Seregni E, Valdagni R. Patient (pt) characteristics and treatment patterns in the radium (Ra)-223 REASSURE observational study. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx423.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Dutto M, Mosca A. Preliminary considerations about the presence of Aedes albopictus (Skuse 1897) (Diptera: Culicidae) during winter in the Northwestern Italy. ANNALI DI IGIENE : MEDICINA PREVENTIVA E DI COMUNITA 2017; 29:86-90. [PMID: 28067941 DOI: 10.7416/ai.2017.2135] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Aedes albopictus, the Asian tiger mosquito, was unintentionally introduced in Italy at the beginning of the 1990s. In few decades it spread almost in the whole Country. In Piedmont, the first report dates back to 1994. Usually, temperate populations are affected by seasonal temperature and photoperiodicity and can overwinter by producing eggs that undergo a winter diapause. In Rome females of the species extended their trophic activity to the coldest months of the year, but there is no notice about a similar behaviour for northern areas of the Country. In our routine work, we often inspect residential and public buildings according to people requests due to the presence of annoying mosquitoes. During these inspections, we try to identify and solve the problem looking for adults and breeding sites of annoying species. Samples are conveniently collected and identified in the field or returning in the labs. We report seven cases of Ae. albopictus female trophic activity in both residential and public buildings, from November to March, in urban and rural areas in Piedmont, ranging between 44°33'11" N and 45°05'09" N. In one case, some larval breeding sites with a large number of larvae and pupae of this species were identified. Ae. albopictus can show trophic and reproductive activity during the winter in the northwestern Italy under favourable conditions. This evidence is of particular concern because of seasonality of Aedes mosquito-borne disease in returned travellers. Dengue, for example, has its higher morbidity in returned travellers from Caribbean and Central America typically during the winter period.
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Muller CO, Rossignol G, Montalva L, Viala J, Martinez-Vinson C, Mosca A, Berrebi D, Bonnard A. Long-Term Outcome of Laparoscopic Duhamel Procedure for Extended Hirschsprung's Disease. J Laparoendosc Adv Surg Tech A 2016; 26:1032-1035. [DOI: 10.1089/lap.2016.0152] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
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Mosca A, Leclerc M, Hugot JP. Gut Microbiota Diversity and Human Diseases: Should We Reintroduce Key Predators in Our Ecosystem? Front Microbiol 2016; 7:455. [PMID: 27065999 PMCID: PMC4815357 DOI: 10.3389/fmicb.2016.00455] [Citation(s) in RCA: 342] [Impact Index Per Article: 42.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2015] [Accepted: 03/21/2016] [Indexed: 12/12/2022] Open
Abstract
Most of the Human diseases affecting westernized countries are associated with dysbiosis and loss of microbial diversity in the gut microbiota. The Western way of life, with a wide use of antibiotics and other environmental triggers, may reduce the number of bacterial predators leading to a decrease in microbial diversity of the Human gut. We argue that this phenomenon is similar to the process of ecosystem impoverishment in macro ecology where human activity decreases ecological niches, the size of predator populations, and finally the biodiversity. Such pauperization is fundamental since it reverses the evolution processes, drives life backward into diminished complexity, stability, and adaptability. A simple therapeutic approach could thus be to reintroduce bacterial predators and restore a bacterial diversity of the host microbiota.
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Milcent K, Faesch S, Gras-Le Guen C, Dubos F, Poulalhon C, Badier I, Marc E, Laguille C, de Pontual L, Mosca A, Nissack G, Biscardi S, Le Hors H, Louillet F, Dumitrescu AM, Babe P, Vauloup-Fellous C, Bouyer J, Gajdos V. Use of Procalcitonin Assays to Predict Serious Bacterial Infection in Young Febrile Infants. JAMA Pediatr 2016; 170:62-9. [PMID: 26595253 DOI: 10.1001/jamapediatrics.2015.3210] [Citation(s) in RCA: 139] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
IMPORTANCE The procalcitonin (PCT) assay is an accurate screening test for identifying invasive bacterial infection (IBI); however, data on the PCT assay in very young infants are insufficient. OBJECTIVE To assess the diagnostic characteristics of the PCT assay for detecting serious bacterial infection (SBI) and IBI in febrile infants aged 7 to 91 days. DESIGN, SETTING, AND PARTICIPANTS A prospective cohort study that included infants aged 7 to 91 days admitted for fever to 15 French pediatric emergency departments was conducted for a period of 30 months (October 1, 2008, through March 31, 2011). The data management and analysis were performed from October 1, 2011, through October 31, 2014. MAIN OUTCOMES AND MEASURES The diagnostic characteristics of the PCT assay, C-reactive protein (CRP) concentration, white blood cell (WBC) count, and absolute neutrophil cell (ANC) count for detecting SBI and IBI were described and compared for the overall population and subgroups of infants according to the age and the duration of fever. Laboratory test cutoff values were calculated based on receiver operating characteristic (ROC) curve analysis. The SBIs were defined as a pathogenic bacteria in positive culture of blood, cerebrospinal fluid, urine, or stool samples, including bacteremia and bacterial meningitis classified as IBIs. RESULTS Among the 2047 infants included, 139 (6.8%) were diagnosed as having an SBI and 21 (1.0%) as having an IBI (11.0% and 1.7% of those with blood culture (n = 1258), respectively). The PCT assay offered an area under the curve (AUC) of ROC curve similar to that for CRP concentration for the detection of SBI (AUC, 0.81; 95% CI, 0.75-0.86; vs AUC, 0.80; 95% CI, 0.75-0.85; P = .70). The AUC ROC curve for the detection of IBI for the PCT assay was significantly higher than that for the CRP concentration (AUC, 0.91; 95% CI, 0.83-0.99; vs AUC, 0.77; 95% CI, 0.65-0.89; P = .002). Using a cutoff value of 0.3 ng/mL for PCT and 20 mg/L for CRP, negative likelihood ratios were 0.3 (95% CI, 0.2-0.5) for identifying SBI and 0.1 (95% CI, 0.03-0.4) and 0.3 (95% CI, 0.2-0.7) for identifying IBI, respectively. Similar results were obtained for the subgroup of infants younger than 1 month and for those with fever lasting less than 6 hours. CONCLUSIONS AND RELEVANCE The PCT assay has better diagnostic accuracy than CRP measurement for detecting IBI; the 2 tests perform similarly for identifying SBI in febrile infants aged 7 to 91 days.
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Della Corte C, Mosca A, Majo F, Lucidi V, Panera N, Giglioni E, Monti L, Stronati L, Alisi A, Nobili V. Nonalcoholic fatty pancreas disease and Nonalcoholic fatty liver disease: more than ectopic fat. Clin Endocrinol (Oxf) 2015. [PMID: 26201937 DOI: 10.1111/cen.12862] [Citation(s) in RCA: 77] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
OBJECTIVE The aim of this study was to evaluate the metabolic effects of fatty pancreas (nonalcoholic fatty pancreas disease - NAFPD) in a group of obese paediatric patients with nonalcoholic fatty liver disease (NAFLD). METHODS We included 121 consecutive children with echographic evidence of hepatic steatosis. All patients underwent to abdominal ultrasound to evaluate pancreatic echogenic pattern. We divided the patients into two groups on the basis of the presence of fatty pancreas. In all patients liver function tests, lipid and gluco-insulinemic profile were evaluated. A selected subset of patients (67) underwent to liver biopsy. RESULTS Of these 121 patients, 58 showed NAFPD and 63 patients exhibited a normal pancreatic echogenic pattern. No differences were found in age, transaminases serum levels, lipid profile and pancreatic enzymes between the two groups. The patients with NAFPD had a significantly higher z-BMI, fasting insulin, insulin resistance (HOMA-IR) and lower ISI respect to the group without fatty pancreas. The patients with fatty pancreas showed a more advanced form of liver disease, with higher values of fibrosis, ballooning and NAS score with respect to the group without NAFPD. CONCLUSIONS Our study demonstrated that NAFPD is a frequent condition in obese paediatric patients affected by NAFLD. Our data suggest that pancreatic fat should not be considered an inert accumulation of fat, but as an additional factor able to affect glucose metabolism and severity of liver disease, increasing the risk of develop metabolic syndrome.
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Nobili V, Della Corte C, Liccardo D, Mosca A, Caccamo R, Morino GS, Alterio A, De Peppo F. Obalon intragastric balloon in the treatment of paediatric obesity: a pilot study. Pediatr Obes 2015; 10:e1-4. [PMID: 25394728 DOI: 10.1111/ijpo.268] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/20/2014] [Accepted: 09/26/2014] [Indexed: 01/14/2023]
Abstract
BACKGROUND Lifestyle interventions are often ineffective in the treatment of pediatric obesity. Weight loss devices have been introduced for the temporary nonsurgical treatment of morbid obesity. OBJECTIVE The aim of the study is to evaluate the efficacy of Obalon Intragastric Balloon on weight loss and on metabolic and cardiovascular parameters in a pediatric population with severe obesity. METHODS We enrolled 10 children with severe obesity. In all patients anthropometric parameters, biochemical tests, ultrasound liver examination and blood pressure monitoring were evaluated at the time of insertion and after removal of device. RESULTS The Obalon had a positive effect on decrease of weight, body mass index and percentage of excess body weight within 3 months from placement. Moreover, this safe minimally invasive device improves the cardio-metabolic profiles of obese children. CONCLUSIONS The Obalon could be a useful tool in the difficult management of pediatric patients with morbid obesity, inducing in short-term a meaningful weight loss.
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Liccardo D, Mosca A, Petroni S, Valente P, Giordano U, Mico' AGA, Pescosolido S, Buzzonetti L, Nobili V. The association between retinal microvascular changes, metabolic risk factors, and liver histology in pediatric patients with non-alcoholic fatty liver disease (NAFLD). J Gastroenterol 2015; 50:903-12. [PMID: 25516385 DOI: 10.1007/s00535-014-1024-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/05/2014] [Accepted: 11/26/2014] [Indexed: 02/04/2023]
Abstract
BACKGROUND The prevalence of childhood obesity is increasing worldwide. Studies in adult populations show that retinal microvascular changes are associated with obesity and components of the metabolic syndrome. In our study we have assessed the effect of body mass index (BMI), metabolic parameters, and adiposity on the retinal microvasculature in children. METHODS Fifty-four consecutive children with biopsy-proven NAFLD were enrolled in this study. Anthropometric and laboratory parameters were obtained using standardized protocols. Retinal caliber was quantified from digital retinal images using well-known computer-based programs. Twenty-four-hour ambulatory blood pressure monitoring was measured using a standard protocol. RESULTS In our population, the prevalence of retinopathy was of 53 % (13 males). The 29 patients with retinopathy (mean age 10.91 ± 3.10) showed significantly higher values of triglycerides (mg/day) (105.57 vs. 90.20, p = 0.04), basal insulin (mUI/ml) (17.20 vs. 12.97, p = 0.02), and HOMA-IR (3.37 vs. 2.76, p = 0.04). The patients with a HOMA-IR >2.5 (OR = 3.34, p = 0.02; 95 % IC, 1.07-10.39), and systolic non-dipping (OR 4.16, p = 0.028, 95 % IC, 1.11-13.67), have an increased risk of retinopathy. Moreover, the study of correlation between all stages of liver biopsy (CRN criteria) and the grade of retinopathy showed a positive correlation with fibrosis (r = 0.31) and an NAS score (r = 0.28). CONCLUSIONS We found an association between metabolic parameters and nocturnal blood pressure on the retinal microvasculature among the obese children with NAFLD. Furthermore, for the first time, we report the positive relationship between hepatic fibrosis in pediatric NAFLD patients and the degree of retinopathy signs.
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Mercurio R, Piedimonte A, Mosca A, De Lucia I, Malara V, Fanelli U, Vania A. Effects of living area distance from Paediatric Nutritional Centres on metabolic complications in overweight/obese children. Appetite 2015. [DOI: 10.1016/j.appet.2014.12.087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Piedimonte A, Mercurio R, Mosca A, De Lucia I, Roma I, Franzelletti P, Vania A. Childhood weight excess. Does the delivery affect it? Appetite 2015. [DOI: 10.1016/j.appet.2014.12.094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Pautasso A, Desiato R, Bertolini S, Vitale N, Radaelli MC, Mancini M, Rizzo F, Mosca A, Calzolari M, Prearo M, Mandola ML, Maurella C, Mignone W, Chiavacci L, Casalone C. Mosquito surveillance in northwestern Italy to monitor the occurrence of tropical vector-borne diseases. Transbound Emerg Dis 2014; 60 Suppl 2:154-61. [PMID: 24589116 DOI: 10.1111/tbed.12123] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2013] [Indexed: 11/27/2022]
Abstract
Mosquito-borne arboviruses (MBV) represent an important health problem, causing diseases and deaths both in human and animals mainly in tropical and subtropical countries. In recent years, they have emerged also in temperate regions where they have caused epidemics. Of mounting concern among public health authorities in Europe are zoonotic mosquito-borne viruses belonging to the Flavivirus genus. The aim of this study was to carry out active surveillance on mosquitoes in two regions of northwestern Italy (Liguria and Piedmont) to gain a better knowledge of the mosquito populations by identifying potential vectors of arboviruses and to investigate arbovirus infection. A network of 61 CO₂ CDC traps was placed in the study area; sampling was conducted from May to October 2011. A total of 46,677 mosquitoes was collected, identified to species level, and classified according to their vector competence. Mosquitoes collected from 16 traps, selected according to risk-based factors, were tested by biomolecular analysis to detect flavivirus infection. This study highlights the importance of entomological surveillance in northwestern Italy because most of the mosquitoes collected were found to have high vector competence. Moreover, the risk-based virological surveillance allowed to detect the presence of mosquito flavivirus RNA, phylogenetically closely related to the MMV Spanish isolate, in three pools and USUV RNA in one pool in new areas where it has not been reported previously. The availability of continuous data on mosquito populations provides invaluable information for use in cases of an epidemic emergency. Maintenance of this integrated system for the next years will provide stronger data that can inform the design of a risk-based surveillance for the early detection of the occurrence of outbreaks of tropical MBDs.
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Milcent K, Poulalhon C, Gras Le Guen C, Badier I, Zenkhri F, Dubos F, Mosca A, Nissack G, Biscardi S, Le Hors H, Louillet F, Dumitrescu M, Bouyer J, Gajdos V. SFP PC-78 – Performances de la bandelette urinaire chez le jeune nourrisson. Arch Pediatr 2014. [DOI: 10.1016/s0929-693x(14)72227-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Milcent K, Faesch S, Gras Le Guen C, Badier I, Maghraoui V, Laguille C, Trieu T, Dubos F, Mosca A, Nissack G, Biscardi S, Le Hors H, Louillet F, Dumitrescu M, Babe P, Bouyer J, Gajdos V. SFP CO-24 - Procalcitonine et infections bactériennes chez les jeunes nourrissons fébriles. Arch Pediatr 2014. [DOI: 10.1016/s0929-693x(14)71937-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Cherubini V, Gesuita R, Bonfanti R, Franzese A, Frongia AP, Iafusco D, Iannilli A, Lombardo F, Rabbone I, Sabbion A, Salvatoni A, Scaramuzza A, Schiaffini R, Sulli N, Toni S, Tumini S, Mosca A, Carle F. Health-related quality of life and treatment preferences in adolescents with type 1 diabetes. The VIPKIDS study. Acta Diabetol 2014; 51:43-51. [PMID: 23508374 DOI: 10.1007/s00592-013-0466-x] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/08/2012] [Accepted: 03/04/2013] [Indexed: 10/27/2022]
Abstract
A multi-centre, observational, cross-sectional study was carried out to determine whether the health-related quality of life (HRQOL) of adolescents with type 1 diabetes is affected by different insulin treatment systems, and which features of HRQOL are impacted by the respective insulin treatment. The study regarded 577 adolescents, aged 10-17 years, with type 1 diabetes treated with continuous subcutaneous insulin infusion (CSII) (n = 306) or multiple daily injections (MDI) (n = 271). The Insulin Delivery System Rating Questionnaire was validated in Italian and was self-completed by the subjects during a routine visit to the centres. Subjects were compared following the domains of the questionnaire. Good HRQOL was seen in subjects treated with either MDI or CSII. Significant differences were not found in the domains for general diabetes, including diabetes worries, social burden and psychological well-being. Multiple quantile regression analysis showed that CSII confers significant advantages in terms of HRQOL with improvements in treatment satisfaction, perceived clinical efficacy and reduction in treatment interference with daily activities. This favourable impact was more evident in subjects reporting lower HRQOL scores, suggesting that CSII may be especially useful for individuals perceiving a poor HRQOL. Analysis of the domains indicated that CSII was associated with a higher HRQOL than MDI. Life-course HRQOL evaluation using a standardised questionnaire can ensure better chronic disease management. This is particularly important when providing individualised care for adolescents, as they become increasingly responsible for managing their diabetes.
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Avemaria F, De Benedetti S, Mosca L, Lapolla A, Penco S, Mosca A. Genetic variability of the fructosamine 3-kinase gene in patients with type 2 diabetes mellitus. Clin Biochem 2013. [DOI: 10.1016/j.clinbiochem.2013.05.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Cristaudo A, D'Ilio S, Gallinella B, Mosca A, Majorani C, Violante N, Senofonte O, Morrone A, Petrucci F. Use of Potentially Harmful Skin-Lightening Products among Immigrant Women in Rome, Italy: A Pilot Study. Dermatology 2013; 226:200-6. [DOI: 10.1159/000348706] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2012] [Accepted: 01/31/2013] [Indexed: 11/19/2022] Open
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Mosca A, Leblanc A, Bellaïche M, Tounian P, Cohen R. [How many deaths before rotavirus vaccination becomes routine?]. Arch Pediatr 2012; 19:783-5. [PMID: 22748690 DOI: 10.1016/j.arcped.2012.05.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2012] [Accepted: 05/29/2012] [Indexed: 10/26/2022]
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Mosca A, Iafusco D, Meschi F, Branca MT, Carta M, Genna ML, Giorda CB, Ghidelli R, Ghislandi G, Lapolla A, Buondonno Lombardi V, Lovagnini CA, Marra M, Medea G, Pizzini A, Rossi F, Scalpone R, Tofini G, Trovati M, Zaninotto M. The implementation of international standardization of glycated hemoglobin. A "red-letter-day" for glycated hemoglobin in Italy: 1/1/11. Italian Recommendations of GLAD Working Group (A1c delegates WG). J Endocrinol Invest 2012; 35:353-6. [PMID: 21642765 DOI: 10.3275/7771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/19/2023]
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Paleari R, Gulbis B, Cotton F, Mosca A. Interlaboratory comparison of current high-performance methods for HbA2. Int J Lab Hematol 2012; 34:362-8. [PMID: 22321217 DOI: 10.1111/j.1751-553x.2012.01403.x] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
INTRODUCTION Few data are available on the alignment of the different methods used for HbA(2) quantitation and recent external quality survey results show a consistent spread of HbA(2) values. To this aim, a comparison study among the actual best performing techniques for HbA(2) determination, comprising HPLC and CE methods, was performed. METHODS A total of 80 blood samples collected from normal subjects and β-thalassemia carriers were analyzed by different HPLC (Bio-Rad Variant I, Bio-Rad Variant II, Menarini HA-8160, Tosoh G7, Tosoh G8) and capillary electrophoresis (Beckman Coulter MDQ and ProteomeLab PA 800, Sebia Capillarys 2) methods. Patient's samples with clinically relevant hemoglobin variants (HbC, HbD, HbE, HbS, and δ-chain variants) were also tested by all methods. RESULTS The mean within-run imprecision of HbA(2) measurement (expressed as CV, %) was between 0.5% and 4.4% (HPLC) and between 1.2% and 4.4% (capillary electrophoresis). The comparison study showed that the different methods were highly correlated (r between 0.974 and 0.997) although biased each other. HbA(2) determination in presence of abnormal hemoglobins was variously interfered by both HPLC and CE methods. Concerning HbF, the mean imprecision at HbF values ≥1.5% was between 1.2% and 8.2% (as CVs). CONCLUSIONS A poor alignment of routine methods for HbA(2) measurement was found. The need of a better standardization of HbA(2) measurement procedures was underlined.
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Rezaei F, Mosca A, Hedlund J, Webley P, Grahn M, Mouzon J. The effect of wall porosity and zeolite film thickness on the dynamic behavior of adsorbents in the form of coated monoliths. Sep Purif Technol 2011. [DOI: 10.1016/j.seppur.2011.07.027] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Lapolla A, Mosca A, Fedele D. The general use of glycated haemoglobin for the diagnosis of diabetes and other categories of glucose intolerance: still a long way to go. Nutr Metab Cardiovasc Dis 2011; 21:467-475. [PMID: 21641782 DOI: 10.1016/j.numecd.2011.02.006] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/26/2010] [Revised: 01/31/2011] [Accepted: 02/06/2011] [Indexed: 12/16/2022]
Abstract
Glycated haemoglobin (HbA(1c)) is considered the 'gold standard' for monitoring metabolic control in diabetes. An International Expert Committee recently recommended HbA(1c) as a better method than measurement of glucose to use in the diagnosis of diabetes, based on its strong association with microvascular complications, a lower day-to-day variability and ease of use, not necessarily in the fasting state. These recommendations have been embraced by the American Diabetes Association (ADA), which stated in its Standards of Medical Care in Diabetes 2010 that "A(1c), fasting plasma glucose or the 2 h 75 g oral glucose tolerance test (OGTT) are appropriate for testing diabetes and assessing the risk of future diabetes," and that "a confirmed A(1c) ≥ 6.5% is diagnostic for diabetes." Measuring HbA(1c) has several advantages over glucose measurements, but its exclusive use should only be considered if the test is conducted under standardised conditions and its limitations are taken into due account. The impact of its use on the epidemiology of diabetes and other categories of glucose intolerance, as seen from recent reports, is also discussed.
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Dupont-Lucas C, Bellaïche M, Mouterde O, Bernard O, Besnard M, Campeotto F, Languepin J, Mosca A, Goulet O, Vannerom PY, Mougenot JF, Cardey J, Cézard JP, Viala J. [Capsule endoscopy in children: which are the best indications?]. Arch Pediatr 2011; 17:1264-72. [PMID: 20627490 DOI: 10.1016/j.arcped.2010.04.026] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2009] [Revised: 01/18/2010] [Accepted: 04/27/2010] [Indexed: 12/15/2022]
Abstract
BACKGROUND AND STUDY AIMS Capsule endoscopy (CE) is a novel and noninvasive means of investigating the small bowel. In children, the best CE indications have not yet been fully appraised. The aim of this study was to evaluate the diagnostic yield of CE in different pediatric pathologies. PATIENTS AND METHODS We retrospectively reviewed every CE performed in children in two French pediatric hospitals between March 2002 and June 2009. Seventy-nine CEs were performed on 70 children (mean age, 10.6 years; range, 2.2-18.0); 52 boys and 18 girls. The indications were iron deficiency anemia (24%), obscure gastrointestinal bleeding (14%), polyposis syndromes (16%), suspected Crohn disease (15%), unresponsive Crohn disease (10%), graft-versus-host disease (10%), and other (10%). RESULTS Of the 79 CEs, 69 reached the cecum (87%). Only one occlusion occurred in a case of stenosing Crohn disease, requiring surgical removal. In addition, technical difficulties led to an incomplete small bowel study in 12 cases (16%). The CE showed small bowel lesions in 42 cases (53%). The diagnostic yield was 27% in obscure gastrointestinal bleeding, 37% in iron-deficiency anemia, 42% in suspected Crohn disease, 88% in unresponsive Crohn disease, 62% in polyposis syndromes, and 88% in graft-versus-host disease. CONCLUSION In children, CE is well tolerated and can be performed in children as young as 2.2 years of age. Its diagnostic yield is highest in polyposis syndromes, unresponsive Crohn disease, and graft-versus-host disease.
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