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Sidoli C, Zambon A, Tassistro E, Rossi E, Mossello E, Inzitari M, Cherubini A, Marengoni A, Morandi A, Bellelli G, Tarasconi A, Sella M, Paternò G, Faggian G, Lucarelli C, De Grazia N, Alberto C, Porcella L, Nardiello I, Chimenti E, Zeni M, Romairone E, Minaglia C, Ceccotti C, Guerra G, Mantovani G, Monacelli F, Minaglia C, Candiani T, Santolini F, Minaglia C, Rosso M, Bono V, Sibilla S, Dal Santo P, Ceci M, Barone P, Schirinzi T, Formenti A, Nastasi G, Isaia G, Gonella D, Battuello A, Casson S, Calvani D, Boni F, Ciaccio A, Rosa R, Sanna G, Manfredini S, Cortese L, Rizzo M, Prestano R, Greco A, Lauriola M, Gelosa G, Piras V, Arena M, Cosenza D, Bellomo A, LaMontagna M, Gabbani L, Lambertucci L, Perego S, Parati G, Basile G, Gallina V, Pilone G, Giudice C, Pietrogrande L, Mosca M, Corazzin I, Rossi P, Nunziata V, D’Amico F, Grippa A, Giardini S, Barucci R, Cossu A, Fiorin L, Arena M, Distefano M, Lunardelli M, Brunori M, Ruffini I, Abraham E, Varutti A, Fabbro E, Catalano A, Martino G, Leotta D, Marchet A, Dell’Aquila G, Scrimieri A, Davoli M, Casella M, Cartei A, Polidori G, Basile G, Brischetto D, Motta S, Saponara R, Perrone P, Russo G, Del D, Car C, Pirina T, Franzoni S, Cotroneo A, Ghiggia F, Volpi G, Menichetti C, Bo M, Panico A, Calogero P, Corvalli G, Mauri M, Lupia E, Manfredini R, Fabbian F, March A, Pedrotti M, Veronesi M, Strocchi E, Borghi C, Bianchetti A, Crucitti A, DiFrancesco V, Fontana G, Geriatria A, Bonanni L, Barbone F, Serrati C, Ballardini G, Simoncelli M, Ceschia G, Scarpa C, Brugiolo R, Fusco S, Ciarambino T, Biagini C, Tonon E, Porta M, Venuti D, DelSette M, Poeta M, Barbagallo G, Trovato G, Delitala A, Arosio P, Reggiani F, Zuliani G, Ortolani B, Mussio E, Girardi A, Coin A, Ruotolo G, Castagna A, Masina M, Cimino R, Pinciaroli A, Tripodi G, Cassadonte F, Vatrano M, Scaglione L, Fogliacco P, Muzzuilini C, Romano F, Padovani A, Rozzini L, Cagnin A, Fragiacomo F, Desideri G, Liberatore E, Bruni A, Orsitto G, Franco M, Bonfrate L, Bonetto M, Pizio N, Magnani G, Cecchetti G, Longo A, Bubba V, Marinan L, Cotelli M, Turla M, Brunori M, Sessa M, Abruzzi L, Castoldi G, LoVetere D, Musacchio C, Novello M, Cavarape A, Bini A, Leonardi A, Seneci F, Grimaldi W, Seneci F, Fimognari F, Bambar V, Saitta A, Corica F, Braga M, Servi, Ettorre E, Camellini Bellelli CG, Annoni G, Marengoni A, Bruni A, Crescenzo A, Noro G, Turco R, Ponzetto M, Giuseppe L, Mazzei B, Maiuri G, Costaggiu D, Damato R, Fabbro E, Formilan M, Patrizia G, Santuar L, Gallucci M, Minaglia C, Paragona M, Bini P, Modica D, Abati C, Clerici M, Barbera I, NigroImperiale F, Manni A, Votino C, Castiglioni C, Di M, Degl’Innocenti M, Moscatelli G, Guerini S, Casini C, Dini D, DeNotariis S, Bonometti F, Paolillo C, Riccardi A, Tiozzo A, SamySalamaFahmy A, Riccardi A, Paolillo C, DiBari M, Vanni S, Scarpa A, Zara D, Ranieri P, Alessandro M, Calogero P, Corvalli G, Di F, Pezzoni D, Platto C, D’Ambrosio V, Ivaldi C, Milia P, DeSalvo F, Solaro C, Strazzacappa M, Bo M, Panico A, Cazzadori M, Bonetto M, Grasso M, Troisi E, Magnani G, Cecchetti G, Guerini V, Bernardini B, Corsini C, Boffelli S, Filippi A, Delpin K, Faraci B, Bertoletti E, Vannucci M, Crippa P, Malighetti A, Caltagirone C, DiSant S, Bettini D, Maltese F, Formilan M, Abruzzese G, Minaglia C, Cosimo D, Azzini M, Cazzadori M, Colombo M, Procino G, Fascendini S, Barocco F, Del P, D’Amico F, Grippa A, Mazzone A, Cottino M, Vezzadini G, Avanzi S, Brambilla C, Orini S, Sgrilli F, Mello A, Lombardi Muti LE, Dijk B, Fenu S, Pes C, Gareri P, Castagna A, Passamonte M, Rigo R, Locusta L, Caser L, Rosso G, Cesarini S, Cozzi R, Santini C, Carbone P, Cazzaniga I, Lovati R, Cantoni A, Ranzani P, Barra D, Pompilio G, Dimori S, Cernesi S, Riccò C, Piazzolla F, Capittini E, Rota C, Gottardi F, Merla L, Barelli A, Millul A, De G, Morrone G, Bigolari M, Minaglia C, Macchi M, Zambon F, D’Amico F, D’Amico F, Pizzorni C, DiCasaleto G, Menculini G, Marcacci M, Catanese G, Sprini D, DiCasalet T, Bocci M, Borga S, Caironi P, Cat C, Cingolani E, Avalli L, Greco G, Citerio G, Gandini L, Cornara G, Lerda R, Brazzi L, Simeone F, Caciorgna M, Alampi D, Francesconi S, Beck E, Antonini B, Vettoretto K, Meggiolaro M, Garofalo E, Bruni A, Notaro S, Varutti R, Bassi F, Mistraletti G, Marino A, Rona R, Rondelli E, Riva I, Cortegiani A, Pistidda L, D’Andrea R, Querci L, Gnesin P, Todeschini M, Lugano M, Castelli G, Ortolani M, Cotoia A, Maggiore S, DiTizio L, Graziani R, Testa I, Ferretti E, Castioni C, Lombardi F, Caserta R, Pasqua M, Simoncini S, Baccarini F, Rispoli M, Grossi F, Cancelliere L, Carnelli M, Puccini F, Biancofiore G, Siniscalchi A, Laici C, Mossello E, Torrini M, Pasetti G, Palmese S, Oggioni R, Mangani V, Pini S, Martelli M, Rigo E, Zuccalà F, Cherri A, Spina R, Calamai I, Petrucci N, Caicedo A, Ferri F, Gritti P, Brienza N, Fonnesu R, Dessena M, Fullin G, Saggioro D. Prevalence and features of delirium in older patients admitted to rehabilitation facilities: a multicenter study. Aging Clin Exp Res 2022; 34:1827-1835. [PMID: 35396698 DOI: 10.1007/s40520-022-02099-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Accepted: 02/16/2022] [Indexed: 11/01/2022]
Abstract
BACKGROUND Delirium is thought to be common across various settings of care; however, still little research has been conducted in rehabilitation. AIM We investigated the prevalence of delirium, its features and motor subtypes in older patients admitted to rehabilitation facilities during the three editions of the "Delirium Day project". METHODS We conducted a cross-sectional study in which 1237 older patients (age ≥ 65 years old) admitted to 50 Italian rehabilitation wards during the three editions of the "Delirium Day project" (2015 to 2017) were included. Delirium was evaluated through the 4AT and its motor subtype with the Delirium Motor Subtype Scale. RESULTS Delirium was detected in 226 patients (18%), and the most recurrent motor subtype was mixed (37%), followed by hypoactive (26%), hyperactive (21%) and non-motor one (16%). In a multivariate Poisson regression model with robust variance, factors associated with delirium were: disability in basic (PR 1.48, 95%CI: 1.17-1.9, p value 0.001) and instrumental activities of daily living (PR 1.58, 95%CI: 1.08-2.32, p value 0.018), dementia (PR 2.10, 95%CI: 1.62-2.73, p value < 0.0001), typical antipsychotics (PR 1.47, 95%CI: 1.10-1.95, p value 0.008), antidepressants other than selective serotonin reuptake inhibitors (PR 1.3, 95%CI: 1.02-1.66, p value 0.035), and physical restraints (PR 2.37, 95%CI: 1.68-3.36, p value < 0.0001). CONCLUSION This multicenter study reports that 2 out 10 patients admitted to rehabilitations had delirium on the index day. Mixed delirium was the most prevalent subtype. Delirium was associated with unmodifiable (dementia, disability) and modifiable (physical restraints, medications) factors. Identification of these factors should prompt specific interventions aimed to prevent or mitigate delirium.
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Zucchelli A, Manzoni F, Morandi A, Di Santo S, Rossi E, Valsecchi MG, Inzitari M, Cherubini A, Bo M, Mossello E, Marengoni A, Bellelli G, Tarasconi A, Sella M, Auriemma S, Paternò G, Faggian G, Lucarelli C, De Grazia N, Alberto C, Margola A, Porcella L, Nardiello I, Chimenti E, Zeni M, Giani A, Famularo S, Romairone E, Minaglia C, Ceccotti C, Guerra G, Mantovani G, Monacelli F, Minaglia C, Candiani T, Ballestrero A, Minaglia C, Santolini F, Minaglia C, Rosso M, Bono V, Sibilla S, Dal Santo P, Ceci M, Barone P, Schirinzi T, Formenti A, Nastasi G, Isaia G, Gonella D, Battuello A, Casson S, Calvani D, Boni F, Ciaccio A, Rosa R, Sanna G, Manfredini S, Cortese L, Rizzo M, Prestano R, Greco A, Lauriola M, Gelosa G, Piras V, Arena M, Cosenza D, Bellomo A, LaMontagna M, Gabbani L, Lambertucci L, Perego S, Parati G, Basile G, Gallina V, Pilone G, Giudice C, De F, Pietrogrande L, De B, Mosca M, Corazzin I, Rossi P, Nunziata V, D‘Amico F, Grippa A, Giardini S, Barucci R, Cossu A, Fiorin L, Arena M, Distefano M, Lunardelli M, Brunori M, Ruffini I, Abraham E, Varutti A, Fabbro E, Catalano A, Martino G, Leotta D, Marchet A, Dell‘Aquila G, Scrimieri A, Davoli M, Casella M, Cartei A, Polidori G, Basile G, Brischetto D, Motta S, Saponara R, Perrone P, Russo G, Del D, Car C, Pirina T, Franzoni S, Cotroneo A, Ghiggia F, Volpi G, Menichetti C, Bo M, Panico A, Calogero P, Corvalli G, Mauri M, Lupia E, Manfredini R, Fabbian F, March A, Pedrotti M, Veronesi M, Strocchi E, Bianchetti A, Crucitti A, Di Francesco V, Fontana G, Bonanni L, Barbone F, Serrati C, Ballardini G, Simoncelli M, Ceschia G, Scarpa C, Brugiolo R, Fusco S, Ciarambino T, Biagini C, Tonon E, Porta M, Venuti D, DelSette M, Poeta M, Barbagallo G, Trovato G, Delitala A, Arosio P, Reggiani F, Zuliani G, Ortolani B, Mussio E, Girardi A, Coin A, Ruotolo G, Castagna A, Masina M, Cimino R, Pinciaroli A, Tripodi G, Cannistrà U, Cassadonte F, Vatrano M, Cassandonte F, Scaglione L, Fogliacco P, Muzzuilini C, Romano F, Padovani A, Rozzini L, Cagnin A, Fragiacomo F, Desideri G, Liberatore E, Bruni A, Orsitto G, Franco M, Bonfrate L, Bonetto M, Pizio N, Magnani G, Cecchetti G, Longo A, Bubba V, Marinan L, Cotelli M, Turla M, Brunori M, Sessa M, Abruzzi L, Castoldi G, LoVetere D, Musacchio C, Novello M, Cavarape A, Bini A, Leonardi A, Seneci F, Grimaldi W, Fimognari F, Bambara V, Saitta A, Corica F, Braga M, Ettorre E, Camellini C, Marengoni A, Bruni A, Crescenzo A, Noro G, Turco R, Ponzetto M, Giuseppe L, Mazzei B, Maiuri G, Costaggiu D, Damato R, Fabbro E, Patrizia G, Santuari L, Gallucci M, Minaglia C, Paragona M, Bini P, Modica D, Abati C, Clerici M, Barbera I, NigroImperiale F, Manni A, Votino C, Castiglioni C, Di M, Degl‘Innocenti M, Moscatelli G, Guerini S, Casini C, Dini D, DeNotariis S, Bonometti F, Paolillo C, Riccardi A, Tiozzo A, SamySalamaFahmy A, Riccardi A, Paolillo C, DiBari M, Vanni S, Scarpa A, Zara D, Ranieri P, Calogero P, Corvalli G, Pezzoni D, Gentile S, Morandi A, Platto C, D‘Ambrosio V, Faraci B, Ivaldi C, Milia P, DeSalvo F, Solaro C, Strazzacappa M, Bo M, Panico A, Cazzadori M, Confente S, Bonetto M, Magnani G, Cecchetti G, Guerini V, Bernardini B, Corsini C, Boffelli S, Filippi A, Delpin K, Bertoletti E, Vannucci M, Tesi F, Crippa P, Malighetti A, Caltagirone C, DiSant S, Bettini D, Maltese F, Formilan M, Abruzzese G, Minaglia C, Cosimo D, Azzini M, Cazzadori M, Colombo M, Procino G, Fascendini S, Barocco F, Del P, D‘Amico F, Grippa A, Mazzone A, Riva E, Dell‘Acqua D, Cottino M, Vezzadini G, Avanzi S, Orini S, Sgrilli F, Mello A, Lombardi L, Muti E, Dijk B, Fenu S, Pes C, Gareri P, Castagna A, Passamonte M, De F, Rigo R, Locusta L, Caser L, Rosso G, Cesarini S, Cozzi R, Santini C, Carbone P, Cazzaniga I, Lovati R, Cantoni A, Ranzani P, Barra D, Pompilio G, Dimori S, Cernesi S, Riccò C, Piazzolla F, Capittini E, Rota C, Gottardi F, Merla L, Barelli A, Millul A, De G, Morrone G, Bigolari M, Minaglia C, Macchi M, Zambon F, D‘Amico F, D‘Amico F, Pizzorni C, DiCasaleto G, Menculini G, Marcacci M, Catanese G, Sprini D, DiCasalet T, Bocci M, Borga S, Caironi P, Cat C, Cingolani E, Avalli L, Greco G, Citerio G, Gandini L, Cornara G, Lerda R, Brazzi L, Simeone F, Caciorgna M, Alampi D, Francesconi S, Beck E, Antonini B, Vettoretto K, Meggiolaro M, Garofalo E, Bruni A, Notaro S, Varutti R, Bassi F, Mistraletti G, Marino A, Rona R, Rondelli E, Riva I, Scapigliati A, Cortegiani A, Vitale F, Pistidda L, D‘Andrea R, Querci L, Gnesin P, Todeschini M, Lugano M, Castelli G, Ortolani M, Cotoia A, Maggiore S, DiTizio L, Graziani R, Testa I, Ferretti E, Castioni C, Lombardi F, Caserta R, Pasqua M, Simoncini S, Baccarini F, Rispoli M, Grossi F, Cancelliere L, Carnelli M, Puccini F, Biancofiore G, Siniscalchi A, Laici C, Mossello E, Torrini M, Pasetti G, Palmese S, Oggioni R, Mangani V, Pini S, Martelli M, Rigo E, Zuccalà F, Cherri A, Spina R, Calamai I, Petrucci N, Caicedo A, Ferri F, Gritti P, Brienza N, Fonnesu R, Dessena M, Fullin G, Saggioro D. The association between low skeletal muscle mass and delirium: results from the nationwide multi-centre Italian Delirium Day 2017. Aging Clin Exp Res 2022; 34:349-357. [PMID: 34417734 PMCID: PMC8847195 DOI: 10.1007/s40520-021-01950-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Accepted: 07/31/2021] [Indexed: 01/22/2023]
Abstract
Introduction Delirium and sarcopenia are common, although underdiagnosed, geriatric
syndromes. Several pathological mechanisms can link delirium and low skeletal muscle mass, but few studies have investigated their association. We aimed to investigate (1) the association between delirium and low skeletal muscle mass and (2) the possible role of calf circumference mass in finding cases with delirium. Methods The analyses were conducted employing the cross-sectional “Delirium Day” initiative, on patient 65 years and older admitted to acute hospital medical wards, emergency departments, rehabilitation wards, nursing homes and hospices in Italy in 2017. Delirium was diagnosed as a 4 + score at the 4-AT scale. Low skeletal muscle mass was operationally defined as calf circumference ≤ 34 cm in males and ≤ 33 cm in females. Logistic regression models were used to investigate the association between low skeletal muscle mass and delirium. The discriminative ability of calf circumference was evaluated using non-parametric ROC analyses. Results A sample of 1675 patients was analyzed. In total, 73.6% of participants had low skeletal muscle mass and 24.1% exhibited delirium. Low skeletal muscle mass and delirium showed an independent association (OR: 1.50; 95% CI 1.09–2.08). In the subsample of patients without a diagnosis of dementia, the inclusion of calf circumference in a model based on age and sex significantly improved its discriminative accuracy [area under the curve (AUC) 0.69 vs 0.57, p < 0.001]. Discussion and conclusion Low muscle mass is independently associated with delirium. In patients without a previous diagnosis of dementia, calf circumference may help to better identify those who develop delirium. Supplementary Information The online version contains supplementary material available at 10.1007/s40520-021-01950-8.
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Olianas A, Serrao S, Piras V, Manconi B, Contini C, Iavarone F, Pichiri G, Coni P, Zorcolo L, Orrù G, Messana I, Faa G, Castagnola M, Fanni D, Cabras T. Thymosin β4 and β10 are highly expressed at the deep infiltrative margins of colorectal cancer - A mass spectrometry analysis. Eur Rev Med Pharmacol Sci 2021; 25:7285-7296. [PMID: 34919228 DOI: 10.26355/eurrev_202112_27422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE Colorectal cancer (CRC) is a complicated tumor, involving several oncogenic signaling pathways, and with a molecular mechanism not fully understood yet. The implication of thymosin β4 (Tβ4) with tumor insurgence and in migration of CRC cells was evidenced in the past with different methodologies, while Tβ10 connection with CRC has been sporadically investigated. This study focused on the implication of both types of thymosin in CRC progression and invasion by analyzing the changes in their levels according to different zones of the tumor, and to Dukes stage and budding index. PATIENTS AND METHODS Tβ4 and Tβ10 were analyzed in deep and superficial tumor samples, and normal mucosa from 18 patients. Concentrations of Tβ4 and Tβ10 have been measured by high-pressure liquid chromatography (HPLC) coupled to electrospray-ion trap mass spectrometry (ESI-IT-MS). MS data were compared by t-test and ANOVA statistical analysis. Identification of thymosin and their proteoforms has been performed by HPLC-high resolution-ESI-IT-MSMS. RESULTS Both Tβ4 and Tβ10, exhibited intra-tumoral quantitative differences, being upregulated in the deep part of the CRC. They exhibited, moreover, strong association with the Dukes stage and the budding grade, being more concentrated in patients at Dukes stage B and with budding index "2". CONCLUSIONS The results obtained in the present investigation encouraged the hypothesis that the two thymosin are involved in colorectal cancer progression, and in promoting cancer invasion. Thus, they are good candidates to be diagnostic/prognostic biomarkers and therapy targets.
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Affiliation(s)
- A Olianas
- Department of Life and Environmental Sciences, University of Cagliari, Cagliari, Italy.
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Hansel K, Patruno C, Antonelli E, Dal Bello G, Napolitano M, Fabbrocini G, Grieco T, Pellacani G, Fargnoli MC, Esposito M, Piras V, Zucca M, Girolomoni G, Stingeni L. Dupilumab in adolescents with moderate to severe atopic dermatitis: a 32-week real-world experience during the COVID-19 pandemic. Clin Exp Dermatol 2021; 47:165-167. [PMID: 34309892 PMCID: PMC8444687 DOI: 10.1111/ced.14862] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/22/2021] [Indexed: 12/28/2022]
Affiliation(s)
- K Hansel
- Dermatology Section, Department of Medicine and Surgery, University of Perugia, Perugia, Italy
| | - C Patruno
- Section of Dermatology, Health Sciences Department, Magna Graecia University, Catanzaro, Italy
| | - E Antonelli
- Dermatology Section, Department of Medicine and Surgery, University of Perugia, Perugia, Italy
| | - G Dal Bello
- Section of Dermatology and Venereology, Department of Medicine, University of Verona, Verona, Italy
| | - M Napolitano
- Department of Medicine and Health Sciences Vincenzo Tiberio, University of Molise, Campobasso, Italy
| | - G Fabbrocini
- Section of Dermatology, Department of Clinical Medicine and Surgery, University of Naples Federico II, Naples, Italy
| | - T Grieco
- Dermatology Unit, Sapienza University of Rome, Rome, Italy
| | - G Pellacani
- Dermatology Unit, Sapienza University of Rome, Rome, Italy
| | - M C Fargnoli
- Dermatology, Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, L'Aquila, Italy
| | - M Esposito
- Dermatology, Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, L'Aquila, Italy
| | - V Piras
- Dermatological Clinic, Department of Medical Science and Public Health, University of Cagliari, Cagliari, Italy
| | - M Zucca
- Dermatological Clinic, Department of Medical Science and Public Health, University of Cagliari, Cagliari, Italy
| | - G Girolomoni
- Section of Dermatology and Venereology, Department of Medicine, University of Verona, Verona, Italy
| | - L Stingeni
- Dermatology Section, Department of Medicine and Surgery, University of Perugia, Perugia, Italy
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Patruno C, Fabbrocini G, Longo G, Argenziano G, Ferrucci SM, Stingeni L, Peris K, Ortoncelli M, Offidani A, Amoruso GF, Talamonti M, Girolomoni G, Grieco T, Iannone M, Nettis E, Foti C, Rongioletti F, Corazza M, Veneri MD, Napolitano M, Angileri L, Bianchelli T, Borghi A, Calabrese G, Chello C, Dal Bello G, Dastoli S, Ferrillo M, Galluzzo M, Gori N, Hansel K, Macchia L, Piras V, Provenzano E, Ribero S, Romanelli M, Romita P. Effectiveness and Safety of Long-Term Dupilumab Treatment in Elderly Patients with Atopic Dermatitis: A Multicenter Real-Life Observational Study. Am J Clin Dermatol 2021; 22:581-586. [PMID: 33725337 DOI: 10.1007/s40257-021-00597-5] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
OBJECTIVE The objective of this study was to assess the effectiveness and safety of dupilumab in treating elderly patients with atopic dermatitis from baseline to 52 weeks. METHODS A retrospective observational real-life study was conducted in a group of elderly patients with severe atopic dermatitis treated with dupilumab for 52 weeks. Inclusion criteria were: age ≥ 65 years; diagnosis of atopic dermatitis made by an expert dermatologist; Eczema Area and Severity Index ≥ 24; and a contraindication, side effects, or failure to respond to cyclosporine. The primary outcome was the mean percentage reduction in the Eczema Area and Severity Index score from baseline to week 52. Secondary measures included the mean percentage reduction in the Pruritus and Sleep Numerical Rating Scales and the Dermatology Life Quality Index, and the types and rates of adverse events from baseline to week 52. RESULTS One hundred and five patients were eligible for the study. Flexural dermatitis was the most frequent clinical phenotype (63.8%). The coexistence of more than one clinical phenotype was found in 70/105 (66.6%) patients. We observed a reduction in all disease severity scores from baseline to week 52 (p < 0.001). Adverse events were recorded in 30/105 (28.6%) patients, with conjunctivitis and injection-site reaction the most frequent. CONCLUSIONS In this study, dupilumab is an effective and safe treatment for the long-term management of atopic dermatitis in patients aged over 65 years.
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Orrù G, Storari M, Scano A, Piras V, Taibi R, Viscuso D. Obstructive Sleep Apnea, oxidative stress, inflammation and endothelial dysfunction-An overview of predictive laboratory biomarkers. Eur Rev Med Pharmacol Sci 2021; 24:6939-6948. [PMID: 32633387 DOI: 10.26355/eurrev_202006_21685] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE Obstructive Sleep Apnea (OSA) represents an emerging public health concern with great impact on cardiovascular state. Oxidative stress (OS), inflammation and altered Nitric Oxide (NO) production are recognized as prominent mechanisms of many acute and chronic diseases and even of the normal aging process. They are investigated as major pathophysiological processes in OSA through the analysis and comparison of significative and validated biomarkers. MATERIALS AND METHODS The review is developed using as key terms "sleep apnea", "oxidative stress", "inflammation", and "endothelial dysfunction". Included studies must have followed the American Academy of Sleep Medicine guidelines according to the diagnosis and classification of OSA. Lipid, protein and DNA oxidation products, PCR, IL-6, IL-8, TNF-α, NO and nitrosative stress compounds, and endothelial functioning tests have been detected for their contribution in OSA along the last 3 decades. RESULTS Nocturnal intermittent hypoxia has emerged to be significantly associated to oxidative/nitrosative stress, increase in pro-inflammatory markers, imbalance in NO production, and endothelium impairment. Body Mass Index (BMI) contribution needs further clarifications. Continuous Positive Airway Pressure (CPAP) therapy has demonstrated beneficial effects on vascular function and pro-inflammatory milieu in OSA. CONCLUSIONS Oxidative stress and Inflammation significantly correlate with OSA; similarly, vascular functioning is impaired in accordance to unregulated levels of NO and derived compounds. Continuous Positive Airway Pressure markedly improves oxidative stress, inflammation and endothelial dysfunction in OSA.
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Affiliation(s)
- G Orrù
- Department of Surgical Sciences, Molecular Biology Service (MBS), University of Cagliari, Cagliari, Italy.
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Nettis E, Fabbrocini G, Ortoncelli M, Pellacani G, Argenziano G, Di Leo E, Patruno C, Stingeni L, Foti C, Rongioletti F, Macchia L, Tavecchio S, Napolitano M, Ribero S, Bonzano L, Calabrese G, Di Bona D, Nisticò SP, Hansel K, Romita P, Piras V, Carbonara M, Detoraki A, Ferrucci SM. Long-term effectiveness of dupilumab up to 52 weeks in atopic dermatitis in 253 adult patients. Br J Dermatol 2020; 184:561-563. [PMID: 32998177 DOI: 10.1111/bjd.19577] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2020] [Revised: 09/23/2020] [Accepted: 09/24/2020] [Indexed: 12/20/2022]
Affiliation(s)
| | | | | | | | | | - E Di Leo
- Unit of Internal Medicine-"F. Miulli" Hospital, Acquaviva delle Fonti
| | - C Patruno
- University Magna Graecia of Catanzaro
| | | | - C Foti
- Unit of Dermatology, University of Bari
| | | | | | - S Tavecchio
- UOC Dermatologia, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico.,Università degli Studi di Milano
| | | | | | | | | | | | | | | | - P Romita
- Unit of Dermatology, University of Bari
| | | | | | - A Detoraki
- Azienda Ospedaliera Universitaria Federico II
| | - S M Ferrucci
- UOC Dermatologia, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico
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Orrù G, Mameli A, Demontis C, Rossi P, Ratto D, Occhinegro A, Piras V, Kuqi L, Berretta M, Taibi R, Scano A, Coni P. Oral human papilloma virus infection: an overview of clinical-laboratory diagnosis and treatment. Eur Rev Med Pharmacol Sci 2020; 23:8148-8157. [PMID: 31599444 DOI: 10.26355/eurrev_201909_19035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE The aim of this review is to describe the "hot points" of current clinical governance for oral HPV comprising the use of new diagnostic molecular procedures, namely, Pyrosequencing and Next Generation Sequencing. MATERIALS AND METHODS The data on oral HPV was collected through two levels of research. First for all, we used the canonical medical search engines, PubMed, and Medline, followed by the study of current commercial tools for HPV diagnosis, particularly within commercial companies involved in the molecular procedures for HPV detecting and genotyping. RESULTS Different medical procedures are now described and used throughout the world in HPV diagnosis and treatment. However, the laboratory methods are often validated and used for genital infections, and, in these cases, data are missing in the literature as regards the clinical approach for oral lesions. CONCLUSIONS Dental care units are often the front line for a clinical evaluation of a possible HPV lesion in the oral cavity, which means that correct clinical governance could avoid a viral neoplastic progression of this disease with great advantages for the patient. In this case, the problem is due to the difficulty in lesion recognition but also and more especially the absence of correct laboratory diagnosis and subsequent treatment in the clinical course.
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Affiliation(s)
- G Orrù
- Department of Surgical Sciences, Molecular Biology Service (MBS), University of Cagliari, Cagliari, Italy.
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9
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Nettis E, Ferrucci SM, Ortoncelli M, Pellacani G, Foti C, Di Leo E, Patruno C, Rongioletti F, Argenziano G, Macchia L, Tavecchio S, Napolitano M, Ribero S, Bonzano L, Romita P, Di Bona D, Nisticò SP, Piras V, Calabrese G, Detoraki C, Carbonara M, Fabbrocini G. Use of Dupilumab for 543 Adult Patients with Moderate-To-Severe Atopic Dermatitis: A Multicenter, Retrospective Study. J Investig Allergol Clin Immunol 2020; 32:124-132. [PMID: 32856595 DOI: 10.18176/jiaci.0641] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
BACKGROUND Dupilumab has been demonstrated to be an effective treatment for patients with moderate-to-severe atopic dermatitis (AD) in clinical trials. However, evidence of real-world experience with dupilumab in a broader population is limited to date. METHODS Adult patients with moderate-to-severe AD, defined as an Eczema Area Severity Index (EASI) score of 24 or higher, treated with dupilumab at ten Italian academic centers, were included in the study. Physician-reported outcome measures (EASI), patient-reported outcome measures (pruritus and sleep score, Dermatology Life Quality Index, DLQI) and serological markers [immunoglobulin (Ig) E and eosinophil count] after 16 weeks were analyzed. RESULTS We enrolled 543 patients with moderate-to-severe AD. Two patients (0.4%) discontinued treatment. The median ± interquartile percentage change from baseline to 16 weeks of treatment in the EASI score was -87.5±22.0 (p<0.001). EASI-50, EASI-75 and EASI-90 response rates were 98.1%, 81.5%, and 50.8% after 16 weeks. At 16 weeks, 93.0% of the patients had achieved a 4- point or higher improvement in DLQI from baseline. During dupilumab treatment, 12.2% of the patients developed conjunctivitis, and total IgE significantly decreased (p<0.001). Interestingly, in the multivariate logistic regression model, the risk of developing dupilumab-related conjunctivitis was associated with early AD onset [OR, 2.25; 95%CI, 1.07-4.70; p=0.03] and presence of eosinophilia [OR, 1.91; 95%CI, 1.05-3.39; p=0.03]. CONCLUSION To date, this is the broadest real-life study in AD patients treated with dupilumab. We observed significant improvements induced by dupilumab in adult patients with moderate-to-severe AD, to a greater extent than those reported in clinical trials.
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Affiliation(s)
- E Nettis
- Department of Emergency and Organ Transplantation, School and Chair of Allergology and Clinical Immunology, University of Bari - Aldo Moro, Bari, Italy
| | - S M Ferrucci
- UOC Dermatologia, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - M Ortoncelli
- Dipartimento di Fisiopatologia Medico-Chirurgica e dei Trapianti, Università degli Studi di Milano, Milan, Italy.,Medical Sciences Department, Dermatologic Clinic, University of Turin, Turin, Italy
| | - G Pellacani
- Dermatology, University of Modena and Reggio Emilia, Modena, Italy
| | - C Foti
- Department of Biomedical Science and Human Oncology, Dermatological Clinic, University of Bari, Italy
| | - E Di Leo
- Section of Allergy and Clinical Immunology, Unit of Internal Medicine - "F. Miulli" Hospital, AcquavivadelleFonti, (BA), Italy
| | - C Patruno
- Unit of Dermatology, Department of Health Sciences, University Magna Graecia of Catanzaro, Catanzaro, Italy
| | - F Rongioletti
- Unit of Dermatology, Department of Medical Sciences and Public Health, University of Cagliari, Italy
| | - G Argenziano
- Dermatology Unit, University of Campania, Naples, Italy
| | - L Macchia
- Department of Emergency and Organ Transplantation, School and Chair of Allergology and Clinical Immunology, University of Bari - Aldo Moro, Bari, Italy
| | - S Tavecchio
- UOC Dermatologia, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - M Napolitano
- Department of Health Sciences "Vincenzo Tiberio", University of Molise, Campobasso, Italy
| | - S Ribero
- Dipartimento di Fisiopatologia Medico-Chirurgica e dei Trapianti, Università degli Studi di Milano, Milan, Italy
| | - L Bonzano
- Allergology Service, AUSL Modena, Italy
| | - P Romita
- Department of Biomedical Science and Human Oncology, Dermatological Clinic, University of Bari, Italy
| | - D Di Bona
- Department of Emergency and Organ Transplantation, School and Chair of Allergology and Clinical Immunology, University of Bari - Aldo Moro, Bari, Italy
| | - S P Nisticò
- Unit of Dermatology, Department of Health Sciences, University Magna Graecia of Catanzaro, Catanzaro, Italy
| | - V Piras
- Unit of Dermatology, Department of Medical Sciences and Public Health, University of Cagliari, Italy
| | - G Calabrese
- Dermatology Unit, University of Campania, Naples, Italy
| | - C Detoraki
- Department of Internal Medicine and Clinical Pathology, Azienda Ospedaliera Universitaria Federico II, Naples, Italy
| | - M Carbonara
- National Institute of Statistics (ISTAT), Bari, Italy
| | - G Fabbrocini
- Section of Dermatology, Department of Clinical Medicine and Surgery, University of Naples Federico II, Naples, Italy
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10
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Nettis E, Ortoncelli M, Pellacani G, Foti C, Di Leo E, Patruno C, Rongioletti F, Argenziano G, Ferrucci SM, Macchia L, Napolitano M, Ribero S, Bonzano L, Romita P, Di Bona D, Bennardo L, Piras V, Calabrese G, Tavecchio S, Detoraki C, Carbonara M, Fabbrocini G. A Multicenter Study on the Prevalence of Clinical Patterns and Clinical Phenotypes in Adult Atopic Dermatitis. J Investig Allergol Clin Immunol 2020; 30:448-450. [PMID: 32376512 DOI: 10.18176/jiaci.0519] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
- E Nettis
- Department of Emergency and Organ Transplantation, School and Chair of Allergology and Clinical Immunology, University of Bari - Aldo Moro, Bari, Italy
| | - M Ortoncelli
- Medical Sciences Department, Dermatologic Clinic, University of Turin, Turin, Italy
| | - G Pellacani
- Dermatology, University of Modena and Reggio Emilia, Modena, Italy
| | - C Foti
- Department of Biomedical Science and Human Oncology, Dermatological Clinic, University of Bari, Italy
| | - E Di Leo
- Section of Allergy and Clinical Immunology, Unit of Internal Medicine-"F. Miulli" Hospital, Acquaviva delle Fonti, (BA), Italy
| | - C Patruno
- Unit of Dermatology, Department of Health Sciences, University Magna Graecia of Catanzaro, Catanzaro, Italy
| | - F Rongioletti
- Unit of Dermatology, Department of Medical Sciences and Public Health, University of Cagliari, Italy
| | - G Argenziano
- Dermatology Unit, University of Campania, Naples, Italy
| | - S M Ferrucci
- UOC Dermatologia, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy Dipartimento di Fisiopatologia Medico-Chirurgica e dei Trapianti, Università degli Studi di Milano, Milan, Italy
| | - L Macchia
- Department of Emergency and Organ Transplantation, School and Chair of Allergology and Clinical Immunology, University of Bari - Aldo Moro, Bari, Italy
| | - M Napolitano
- Department of Health Sciences "Vincenzo Tiberio", University of Molise, Campobasso, Italy
| | - S Ribero
- Medical Sciences Department, Dermatologic Clinic, University of Turin, Turin, Italy
| | - L Bonzano
- Allergology Service, AUSL Modena, Italy
| | - P Romita
- Department of Biomedical Science and Human Oncology, Dermatological Clinic, University of Bari, Italy
| | - D Di Bona
- Department of Emergency and Organ Transplantation, School and Chair of Allergology and Clinical Immunology, University of Bari - Aldo Moro, Bari, Italy
| | - L Bennardo
- Unit of Dermatology, Department of Health Sciences, University Magna Graecia of Catanzaro, Catanzaro, Italy
| | - V Piras
- Unit of Dermatology, Department of Medical Sciences and Public Health, University of Cagliari, Italy
| | - G Calabrese
- Dermatology Unit, University of Campania, Naples, Italy
| | - S Tavecchio
- UOC Dermatologia, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy Dipartimento di Fisiopatologia Medico-Chirurgica e dei Trapianti, Università degli Studi di Milano, Milan, Italy
| | - C Detoraki
- Department of Internal Medicine and Clinical Pathology, Azienda Ospedaliera Universitaria Federico II, Naples, Italy
| | - M Carbonara
- National Institute of Statistics (ISTAT), Bari, Italy
| | - G Fabbrocini
- Section of Dermatology, Department of Clinical Medicine and Surgery, University of Naples Federico II, Naples, Italy
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11
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Damiani G, Calzavara‐Pinton P, Stingeni L, Hansel K, Cusano F, Pigatto PD, Agostinelli D, Albertazzi D, Angelini G, Angerosa F, Arigliano P, Assalve D, Ayala F, Barbagallo T, Belloni‐Fortina A, Berta M, Biale C, Bianchi L, Biasini I, Boccaletti V, Bonamonte D, Borghi A, Bragazzi N, Brambilla L, Bressan M, Brunasso A, Bruni F, Bruni P, Caccavale S, Calogiuri G, Cannavò S, Carugno A, Cataldi I, Chiarelli G, Cirla A, Corazza M, Cossutta M, Cova L, Cristaudo A, Cusano F, Danese P, Dal Canton M, De Pità O, De Salvo P, Donini M, Fantini F, Ferrucci S, Flori M, Fontana E, Foti C, Francalci S, Frasin L, Gallo R, Gasparini G, Gola M, Gravante M, Guarnieri F, Guastaferro D, Ingordo V, Lauriola M, Leghissa P, Lisi P, Lombardi P, Lorenzini M, Malara G, Magrini L, Marone G, Martina E, Mascagni P, Matteini Chiari M, Meligeni L, Melino M, Miccio L, Milanesi N, Molinu A, Monfrecola G, Morelli P, Motolese A, Musumeci M, Naldi L, Napolitano M, Nasca M, Pacifico A, Paganini P, Papini M, Pasolini G, Patruno C, Pellegrino M, Peroni A, Peserico A, Piras V, Pugliese A, Raponi F, Raviolo P, Rebora A, Recchia G, Riva F, Romita P, Rossi M, Ruggieri M, Saggiorato F, Sartorelli P, Schena D, Schettino A, Spanò G, Stinchi C, Tasin L, Tramontana M, Taddei L, Valsecchi R, Russo F, Vascellaro A, Venturini M, Vincenzi C, Virgili A, Zucca M. Italian guidelines for therapy of atopic dermatitis—Adapted from consensus‐based European guidelines for treatment of atopic eczema (atopic dermatitis). Dermatol Ther 2019; 32:e13121. [DOI: 10.1111/dth.13121] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2019] [Revised: 10/04/2019] [Accepted: 10/11/2019] [Indexed: 12/13/2022]
Affiliation(s)
- Giovanni Damiani
- Department of Biomedical, Surgical, and Dental Sciences Unit of DermatologyUniversity of Milan Milan Italy
- IRCCS Istituto Ortopedico Galeazzi Milan Italy
- Young Dermatologists Italian NetworkGISED Bergamo Italy
- Department of DermatologyCase Western Reserve University Cleveland Ohio
| | | | - Luca Stingeni
- Section of Dermatology, Department of MedicineUniversity of Perugia Perugia Italy
| | - Katharina Hansel
- Section of Dermatology, Department of MedicineUniversity of Perugia Perugia Italy
| | | | - Paolo D.M. Pigatto
- Department of Biomedical, Surgical, and Dental Sciences Unit of DermatologyUniversity of Milan Milan Italy
- IRCCS Istituto Ortopedico Galeazzi Milan Italy
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12
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Cocco L, Piras V, Enne P, Manieli C, Melis M. Thrombectomy in ischemic stroke due to metastatic sacral chordoma: a case report. Neurol Sci 2017; 39:581-585. [PMID: 29063449 DOI: 10.1007/s10072-017-3153-9] [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] [Received: 09/13/2017] [Accepted: 10/09/2017] [Indexed: 11/29/2022]
Affiliation(s)
- L Cocco
- Presidio San Michele - Department of Neurology and Stroke Unit, Azienda Ospedaliera G. Brotzu, Piazza A. Ricchi 1, 09100, Cagliari, Italy.
| | - V Piras
- Presidio San Michele - Department of Neurology and Stroke Unit, Azienda Ospedaliera G. Brotzu, Piazza A. Ricchi 1, 09100, Cagliari, Italy
| | - P Enne
- Presidio San Michele - Department of Radiology, Azienda Ospedaliera G. Brotzu, Cagliari, Italy
| | - C Manieli
- Presidio San Michele - Department of Pathology, Azienda Ospedaliera G. Brotzu, Cagliari, Italy
| | - M Melis
- Presidio San Michele - Department of Neurology and Stroke Unit, Azienda Ospedaliera G. Brotzu, Piazza A. Ricchi 1, 09100, Cagliari, Italy
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13
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Poli L, Zedde M, Zini A, Del Sette M, Lodigiani C, Spalloni A, Di Lisi F, Toriello A, Piras V, Stilo C, Tomelleri G, Tancredi L, Paciaroni M, Silvestrelli G, Adami A, Costa P, Morotti A, De Giuli V, Caria F, Gamba M, Malferrari G, Simone AM, Musolino R, Giorli E, Banfi E, Marcheselli S, Rasura M, Pugliese N, Melis M, Bovi P, Padovani A, Burlina A, Pezzini A. Screening for Fabry disease in patients with ischaemic stroke at young age: the Italian Project on Stroke in Young Adults. Eur J Neurol 2017; 24:e12-e14. [DOI: 10.1111/ene.13254] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2016] [Accepted: 01/04/2017] [Indexed: 11/30/2022]
Affiliation(s)
- L. Poli
- Dipartimento di Scienze Cliniche e Sperimentali; Clinica Neurologica; Università degli Studi di Brescia; Brescia
| | - M. Zedde
- S.C. Neurologia; Arcispedale ‘Santa Maria Nuova - IRCCS’; Reggio Emilia
| | - A. Zini
- Stroke Unit; Clinica Neurologica; Nuovo Ospedale Civile ‘S. Agostino Estense’, AUSL; Modena
| | | | - C. Lodigiani
- Centro Trombosi; IRCCS Humanitas Research Hospital; Rozzano-Milano
| | - A. Spalloni
- Stroke Unit; Azienda Ospedaliera Sant'Andrea; Università ‘La Sapienza’; Roma
| | - F. Di Lisi
- Stroke Unit; Azienda Ospedaliera Sant'Andrea; Università ‘La Sapienza’; Roma
| | - A. Toriello
- U.O.C. Neurologia; A.O. Universitaria ‘San Giovanni di Dio e Ruggi d'Aragona’; Salerno
| | - V. Piras
- Stroke Unit; Azienda Ospedaliera ‘G. Brotzu’; Cagliari
| | - C. Stilo
- Dipartimento di Neuroscienze; Scienze Psichiatriche e Anestesiologiche; Clinica Neurologica; Università di Messina; Messina
| | - G. Tomelleri
- UO Neurologia; Azienda Ospedaliera-Universitaria Borgo Trento; Verona
| | - L. Tancredi
- U.O. Neurologia; ASST Lariana - Ospedale Sant'Anna; Como
| | - M. Paciaroni
- Stroke Unit; Divisione di Medicina Cardiovascolare; Università di Perugia; Perugia
| | - G. Silvestrelli
- Stroke Unit; Dipartimento di Neuroscienze; Azienda Ospedaliera Carlo Poma; Mantova
| | - A. Adami
- Stroke Center; Dipartimento di Neurologia; Ospedale Sacro Cuore Negrar; Verona
| | - P. Costa
- Dipartimento di Scienze Cliniche e Sperimentali; Clinica Neurologica; Università degli Studi di Brescia; Brescia
| | - A. Morotti
- Dipartimento di Scienze Cliniche e Sperimentali; Clinica Neurologica; Università degli Studi di Brescia; Brescia
| | - V. De Giuli
- Dipartimento di Scienze Cliniche e Sperimentali; Clinica Neurologica; Università degli Studi di Brescia; Brescia
| | - F. Caria
- Dipartimento di Scienze Cliniche e Sperimentali; Clinica Neurologica; Università degli Studi di Brescia; Brescia
| | - M. Gamba
- Stroke Unit; Neurologia Vascolare; Spedali Civili di Brescia; Brescia
| | - G. Malferrari
- S.C. Neurologia; Arcispedale ‘Santa Maria Nuova - IRCCS’; Reggio Emilia
| | - A. M. Simone
- Stroke Unit; Clinica Neurologica; Nuovo Ospedale Civile ‘S. Agostino Estense’, AUSL; Modena
| | - R. Musolino
- Dipartimento di Neuroscienze; Scienze Psichiatriche e Anestesiologiche; Clinica Neurologica; Università di Messina; Messina
| | - E. Giorli
- Unità di Neurologia; Ospedale S. Andrea; La Spezia
| | - E. Banfi
- Centro Trombosi; IRCCS Humanitas Research Hospital; Rozzano-Milano
| | - S. Marcheselli
- Neurologia d'Urgenza and Stroke Unit; IRCCS Humanitas Research Hospital; Rozzano-Milano
| | - M. Rasura
- Stroke Unit; Azienda Ospedaliera Sant'Andrea; Università ‘La Sapienza’; Roma
| | - N. Pugliese
- U.O.C. Neurologia; A.O. Universitaria ‘San Giovanni di Dio e Ruggi d'Aragona’; Salerno
| | - M. Melis
- Stroke Unit; Azienda Ospedaliera ‘G. Brotzu’; Cagliari
| | - P. Bovi
- UO Neurologia; Azienda Ospedaliera-Universitaria Borgo Trento; Verona
| | - A. Padovani
- Dipartimento di Scienze Cliniche e Sperimentali; Clinica Neurologica; Università degli Studi di Brescia; Brescia
| | - A. Burlina
- Neurologia; Dipartimento di Medicina Interna; Ospedale San Bassiano; Bassano del Grappa Italy
| | - A. Pezzini
- Dipartimento di Scienze Cliniche e Sperimentali; Clinica Neurologica; Università degli Studi di Brescia; Brescia
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Celani MG, Bassi MC, Bignamini A, Candelaresi P, Carlini M, Cecconi M, Congedo M, Cusi C, Cuzzubbo S, Guerra D, Macone S, Melis M, Motto C, Nardi K, Oppo V, Papetti R, Piersanti C, Piras V, Serafini A, Sgoifo AL, Susani E, Tremolizzo L, Cantisani TA. Do outcome measures used in neurological clinical research realistically represent the needs and the expectations of patients and their care givers? Trials 2015. [PMCID: PMC4460782 DOI: 10.1186/1745-6215-16-s1-p8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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15
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Fumo G, Piras V, Pilloni L, Ferreli C, Pau M. [A case report of eccrine porocarcinoma]. Clin Ter 2015; 166:e273-e275. [PMID: 26378762 DOI: 10.7417/t.2015.1873] [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] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Eccrine porocarcinoma (EPC) is a rare malignant skin appendage tumour deriving from the intraepithelial ductal parts of the sweat glands. First described by Pinkus e Mehregan nel 1963 as an epidermotropic eccrine carcinoma, it is rarely reported in medical literature and represents 0.005-0.01% of all skin tumors. We report a case of a 88-year-old Caucasian female presented to our Clinic with an asymptomatic, red-brown , irregularly shaped firm nodule on the left thigh aroused 15 years earlier. The lesion has been excised and histopathological examination showed an "eccrine porocarcinoma aroused on eccrine poroma". Review of the literature on this rare condition and possible therapeutic strategies are also discussed.
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Affiliation(s)
- G Fumo
- Clinica Dermatologica, Az. Osp. Univ. di Cagliari, Italy
| | - V Piras
- Clinica Dermatologica, Az. Osp. Univ. di Cagliari, Italy
| | - L Pilloni
- Istituto di Anatomia Patologica, Az. Osp. Univ. di Cagliari. Italy
| | - C Ferreli
- Clinica Dermatologica, Az. Osp. Univ. di Cagliari, Italy
| | - M Pau
- Clinica Dermatologica, Az. Osp. Univ. di Cagliari, Italy
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Chiò A, Battistini S, Calvo A, Caponnetto C, Conforti FL, Corbo M, Giannini F, Mandrioli J, Mora G, Sabatelli M, Ajmone C, Mastro E, Pain D, Mandich P, Penco S, Restagno G, Zollino M, Surbone A, Lunetta C, Pintor GL, Salvi F, Bartolomei I, Quattrone A, Gambardella A, Logroscino G, Simone I, Pisano F, Spataro R, La Bella V, Colletti T, Mancardi G, Origone P, Sola P, Borghero G, Marrosu F, Marrosu MG, Murru MR, Floris G, Cannas A, Piras V, Costantino E, Pani C, Sotgiu MA, Pugliatti M, Parish LD, Cossu P, Ticca A, Rodolico C, Portaro S, Ricci C, Moglia C, Ossola I, Brunetti M, Barberis M, Canosa A, Cammarosano S, Bertuzzo D, Fuda G, Ilardi A, Manera U, Pastore I, Sproviero W, Logullo F, Tanel R, Ajmone C, Mastro E, Pain D, Mandich P, Penco S, Restagno G, Zollino M, Surbone A. Genetic counselling in ALS: facts, uncertainties and clinical suggestions. J Neurol Neurosurg Psychiatry 2014; 85:478-85. [PMID: 23833266 DOI: 10.1136/jnnp-2013-305546] [Citation(s) in RCA: 81] [Impact Index Per Article: 8.1] [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] [Indexed: 11/04/2022]
Abstract
The clinical approach to patients with amyotrophic lateral sclerosis (ALS) has been largely modified by the identification of novel genes, the detection of gene mutations in apparently sporadic patients, and the discovery of the strict genetic and clinical relation between ALS and frontotemporal dementia (FTD). As a consequence, clinicians are increasingly facing the dilemma on how to handle genetic counselling and testing both for ALS patients and their relatives. On the basis of existing literature on genetics of ALS and of other late-onset life-threatening disorders, we propose clinical suggestions to enable neurologists to provide optimal clinical and genetic counselling to patients and families. Genetic testing should be offered to ALS patients who have a first-degree or second-degree relative with ALS, FTD or both, and should be discussed with, but not offered to, all other ALS patients, with special emphasis on its major uncertainties. Presently, genetic testing should not be proposed to asymptomatic at-risk subjects, unless they request it or are enrolled in research programmes. Genetic counselling in ALS should take into account the uncertainties about the pathogenicity and penetrance of some genetic mutations; the possible presence of mutations of different genes in the same individual; the poor genotypic/phenotypic correlation in most ALS genes; and the phenotypic pleiotropy of some genes. Though psychological, social and ethical implications of genetic testing are still relatively unexplored in ALS, we recommend multidisciplinary counselling that addresses all relevant issues, including disclosure of tests results to family members and the risk for genetic discrimination.
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Affiliation(s)
- Adriano Chiò
- Department of Neuroscience, ALS Center, 'Rita Levi Montalcini', University of Torino, Torino, and Azienda Ospedaliera Città della Salute e della Scienza, , Torino, Italy
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Erriu M, Abbate GM, Pili FMG, Novara F, Orrù G, Montaldo C, Piras V, Levrini L. Oral Signs and HLA-DQB1∗02 Haplotypes in the Celiac Paediatric Patient: A Preliminary Study. Autoimmune Dis 2013; 2013:389590. [PMID: 24198965 PMCID: PMC3808710 DOI: 10.1155/2013/389590] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2013] [Revised: 09/05/2013] [Accepted: 09/11/2013] [Indexed: 02/06/2023] Open
Abstract
Celiac disease (CD) diagnosis can be extremely challenging in the case of atypical patterns. In this context, oral signs seem to play a decisive role in arousing suspicion of these forms of the disease. At the same time, the different expressions of the HLA-DQB1∗02 allele apparently seem to facilitate the interpretation of signs and highlighted symptoms. The aim of this work was to verify whether it is possible to identify a correlation between the development of oral signs and different DQ2 haplotypes in celiac pediatric patients. 44 celiac patients with a medium age of 9.9 were studied. Oral examinations were performed in order to identify recurrent aphthous stomatitis (RAS) and dental enamel defects (DED). The diagnosis of DED resulted as being related to allele expression (P value = 0.042) while it was impossible to find a similar correlation with RAS. When both oral signs were considered, there was an increase in correlation with HLA-DQB1∗02 expression (P value = 0.018). The obtained results identified both the fundamental role that dentists can play in early diagnosis of CD, as well as the possible role of HLA haplotype analysis in arousing suspicion of atypical forms of the disease.
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Affiliation(s)
- M. Erriu
- Department of Surgical Sciences, Cagliari University, Via Binaghi 4, 09121 Cagliari, Italy
| | - G. M. Abbate
- Faculty of Medicine, School of Oral Hygiene, University of Insubria, 21100 Varese, Italy
| | - F. M. G. Pili
- Department of Surgical Sciences, Cagliari University, Via Binaghi 4, 09121 Cagliari, Italy
| | - F. Novara
- Faculty of Medicine, School of Oral Hygiene, University of Insubria, 21100 Varese, Italy
| | - G. Orrù
- Department of Surgical Sciences, Cagliari University, Via Binaghi 4, 09121 Cagliari, Italy
| | - C. Montaldo
- Department of Surgical Sciences, Cagliari University, Via Binaghi 4, 09121 Cagliari, Italy
| | - V. Piras
- Department of Surgical Sciences, Cagliari University, Via Binaghi 4, 09121 Cagliari, Italy
| | - L. Levrini
- Faculty of Medicine, School of Oral Hygiene, University of Insubria, 21100 Varese, Italy
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Castagnola M, Cabras T, Denotti G, Fadda M, Gambarini G, Lupi A, Manca I, Onnis G, Piras V, Soro V, Tambaro S, Messana I. Circadian Rhythms of Histatin 1, Histatin 3, Histatin 5, Statherin and Uric Acid in Whole Human Saliva Secretion. BIOL RHYTHM RES 2010. [DOI: 10.1076/brhm.33.2.213.1314] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.9] [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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de Santis P, Orrù G, Solinas F, Piras V, Savini G, Caporale V. Molecular differentiation of field and vaccine strains of bluetongue virus serotype 2 using the real-time polymerase chain reaction and fluorescene resonance energy transfer hybridisation probes. Vet Ital 2004; 40:572-576. [PMID: 20422589] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
As a consequence of the recent outbreaks of bluetongue (BT) disease amongst sheep in the Mediterranean Basin, and following the subsequent vaccination campaign to control further spread of the disease and its long-term maintenance, it has become most important to develop rapid and sensitive methods that can reliably differentiate between field and vaccine strains of the causative virus. The authors describe a new method to differentiate bluetongue virus serotype 2 (BTV-2) field and vaccine strains, using the VP2 gene sequence differences between the South African vaccine and the Italian field wild-type strains. The method is based on the principle that the melting temperature of a DNA duplex gives information on the sequence, which enables the identification of even single-base alterations in the amplicon. The real-time polymerase chain reaction the generation of melting curves and fluorescence detection were all performed using the light cycler system (Roche). Primers and probes were designed using VP2 gene sequences. After RT-PCR, the melting curves analysis, derived by the fluorescence resonance energy transfer (FRET) real-time PCR, was performed using the light cycler data analysis program (Roche). To assess the diagnostic value of the method, a BTV-2 vaccine strain (Onderstepoort Biological Products, South Africa) was first compared against a field strain of BTV-2 (isolated during an outbreak in 2000 in Sardinia). The ability of the method to reliably identify all the BTV-2 strains was tested using an array of eleven BTV-2 field strains isolated during outbreaks in various Italian regions between 2000 and 2002 and other serotypes (BTV-1, BTV-4, BTV-9 and BTV-16) that had been isolated during recent outbreaks of BT in the Mediterranean Basin. The method was clearly able to differentiate BTV-2 strains of vaccine virus from all wild-type strains of the same serotype tested. The resultant melting curves distinctly reveal the two strains to have differing peak values of 47.8 degrees C-/+0.6 degrees C and 60.5 degrees C-/+0.6 degrees C, respectively.
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Affiliation(s)
- P de Santis
- Centro Studi Malattie Esotiche (CESME), Istituto Zooprofilattico Sperimentale Abruzzo e Molise G. Caporale, Via Campo Boario, 64100 Teramo, Italy
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Orrù G, Pusceddu G, Concas D, Ciusa M, Meroni E, Montaldo C, Piras V. IDENTIFICAZIONE RAPIDA DEI BATTERI ANAEROBI DEL PARODONTO MEDIANTE PYROSEQUENCING. Microbiol Med 2004. [DOI: 10.4081/mm.2004.3897] [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: 11/23/2022] Open
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Orrù G, Ciusa M, Pusceddu G, Montaldo C, Casentino S, Pisano B, Meroni E, Piras V, Fadda M. RILEVAMENTO DI SNP NEL CODONE 464 DEL GENE ERG11 IN CANDIDA ALBICANS, MEDIANTE PYROSEQUENCING. Microbiol Med 2004. [DOI: 10.4081/mm.2004.3938] [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: 11/23/2022] Open
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Piras V, Tuveri F, Dessì C, Pittau R, Origa R, Basile R, Muroni PP, Pittau A. [Relation between hypogonadism and malocclusion in beta-thalassemia major patients: analysis of 122 subjects]. Minerva Stomatol 2003; 52:241-6. [PMID: 12874543] [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] [Subscribe] [Scholar Register] [Indexed: 03/03/2023]
Abstract
AIM The type of malocclusion most often seen in beta thalassemic patients is represented by Angle's II class, which however cannot be considered significant in the patients studied in this research. The only causal factor indicated by medical literature for this pathology is medullary hyperplasia due to inefficient erythropoiesis which occurs in patients transfused at low hemoglobin levels. The aim of this research is to evaluate the influence of other factors as well, particularly sexual development, the level of seric ferritin, ALT, and age at first transfusion. METHODS One-hundred and twenty-two b thalassemic patients and 39 homozygotes, aged between 16 and 27, undergoing treatment at the "Ospedale Regionale per le Microcitemie di Cagliari", have been analysed. RESULTS The results of the statistic analysis have shown that hypogonadism can play an important role in determining malocclusions in male beta thalassemic patients (Odds ratio 4,5; CI 1,5-13). No other factor has shown any statistically relevant influence on dental occlusion. CONCLUSION It would therefore be interesting to further investigate the hormonal mechanisms that can alter bone development in thalassemic youngsters: the prevention of such alterations will surely contribute to improving the quality of life in these patients, particularly now that their life expectancy has been significantly extended by the progress made in transfusional therapy and ferrochelation.
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Affiliation(s)
- V Piras
- Dipartimento di Scienze Odontostomatologiche, Università degli Studi di Cagliari, Cagliari, Italy
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Lupi A, Schininà ME, Denotti G, Fadda MB, Piras V, Patamia M, Cordaro M, Isola M, Messana I. Human salivary peptides derived from histatins. Eur J Morphol 2003; 41:99-102. [PMID: 15621863 DOI: 10.1080/09243860412331282200] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/01/2023]
Abstract
Human saliva from a healthy donor was subjected to fractionation by gel chromatography and six pools were collected and analysed by MALDI-TOF-MS and HPLC-ESI-MS. Three peptides, corresponding to 888.3, 687.3, and 524.1 amu and SNYLYDN, YLYDN, and LYDN sequences (determined by automated Edman sequencing), were isolated from pool 4. YLYDN was not previously described in human saliva. The peptides show the common C-terminal sequence of histatin 3 and histatin 1. To exclude the possibility that the three peptides were an artifact of the purification procedure, nine samples of human saliva were collected from healthy donors, immediately acidified with 0.2% TFA, and analysed by RP-HPLC-ESI-MS. The three peptides were detected in all the analyzed samples. SNYLYDN was always found at a concentration higher than that of YLYDN and LYDN. A correlation analysis performed on quantitative data indicated that the three peptides derive only from histatin 3. Other already known histatins also were searched for in the chromatogram. Histatins 1, 2, 3, 5, 6, 7, 8, and 10 were observed, although not in all samples analyzed, whereas other minor histatins were not detected.
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Affiliation(s)
- A Lupi
- Institute for the Chemistry of Molecular Recognition, National Research Council (CNR), Rome, Italy
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Castagnola M, Congiu D, Denotti G, Di Nunzio A, Fadda MB, Melis S, Messana I, Misiti F, Murtas R, Olianas A, Piras V, Pittau A, Puddu G. Determination of the human salivary peptides histatins 1, 3, 5 and statherin by high-performance liquid chromatography and by diode-array detection. J Chromatogr B Biomed Sci Appl 2001; 751:153-60. [PMID: 11232845 DOI: 10.1016/s0378-4347(00)00466-7] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
A reversed-phase high-performance liquid chromatography (HPLC) method with diode-array detection for the quantification of several human salivary peptides is described. Sample pretreatment consisted of the acidification of whole saliva by phosphate buffer. This treatment produced precipitation of mucins, alpha-amylases and other high-molecular-mass salivary proteins, simultaneous inhibition of intrinsic protease activities and reduction of sample viscosity. Direct HPLC analysis by diode-array detection of the resulting acidic sample allowed one to quantify histatin 1, histatin 3, histatin 5, statherin, as well as uric acid, in normal subjects. Moreover, the groups of peaks pertaining to proline-rich proteins and cystatins were tentatively identified. The method can be useful in assessing the concentration of salivary peptides from normal subjects and from patients suffering oral and/or periodontal diseases.
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Affiliation(s)
- M Castagnola
- Department of Sciences Applied to Biosystems, Cagliari University, Italy.
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Abstract
The authors report the data of the blue-yellow (B-Y) perimetry compared with the Standard perimetry in normal subjects with endocular hypertension or with initial glaucoma. With the aim of evaluating the relationship with chromatic sense deficits, precociously found in glaucoma, the F-M 100 Hue test and Lanthony D 15 Desaturé test were done. Checks were made of refraction, visual acuity, pupil diameter and assumption of medications. Sensitivity reduction in eyes with initial glaucoma is highly significant with the B-Y perimetry. Pupil diameter reduction is quite uninfluential while the chromatic sense shows some quantitative and qualitative deficits.
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Affiliation(s)
- A Serra
- Eye Clinic, University of Cagliari
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Zucca I, Tanda A, Piras V, Mulas S, Mureddu E, Lecis F, Sulis R, Palmas MC, Fossarello M, Serra A. The influence of diabetes mellitus on primary open angle glaucoma perimetry. Acta Ophthalmol Scand Suppl 1998:49-50. [PMID: 9589736 DOI: 10.1111/j.1600-0420.1997.tb00477.x] [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] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
We have carried out a study into retinal sensitivity alterations in the course of primary open angle glaucoma to see if their appearance and evolution might be influenced by concomitant diabetes mellitus. The visual field examination (Perimeter Octopus 500 EZ, programme G1) indicated prevalent sensitivity defects in the superior hemifield, both in glaucoma only subjects and in those with diabetes as well. As to the inferior hemifield, a greater, statistically significant, retinal sensitivity defect was found in the inferior temporal quadrant of the left eye in the group of diabetics.
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Affiliation(s)
- I Zucca
- Eye Clinic, S Giovanni di Dio Hospital, University of Cagliari
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Pinducciu G, Micheletti L, Piras V, Songini C, Serra C, Pompei R, Pintus L. Periodontal disease, oral microbial flora and salivary antibacterial factors in diabetes mellitus type 1 patients. Eur J Epidemiol 1996; 12:631-6. [PMID: 8982624 DOI: 10.1007/bf00499463] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
One hundred and thirty-one patients with diabetes mellitus type 1 (IDDM) and 20 healthy controls were checked for the presence of periodontal diseases and for some oral microbiological parameters. Results demonstrated that IDDM patients, who were well compensated from both the metabolic and clinical point of view, showed a prevalence for periodontopathies, which only differed slightly from controls. Only the presence of gingivitis was significantly higher in IDDM patients than in healthy subjects. Both anaerobic and aerobic microbial flora did not show substantial differences for either group. Among the salivary antibacterial factors studied, lysozyme was significantly decreased in diabetic patients compared to controls. It is concluded that IDDM patients undergo periodontal complications with a frequency quite close to that of non-diabetic healthy subjects, when the disease is under strict metabolic and clinical control.
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Affiliation(s)
- G Pinducciu
- Dipartimento di Igiene e Sanità Pubblica, Università di Cagliari, Italy
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Vona G, Piras V, Succa V, Distinto C. Dental agenesis in Sardinians. Anthropol Anz 1993; 51:333-40. [PMID: 8285600] [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] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
The authors report on the results of a study on the dental agenesis frequency in a sample of 420 individuals (152 males, 268 females), aged between 8 and 20 years, from Sardinia (Italy). 18.33% of the examined individuals (22 males, 55 females) show congenital absence and/or morphometric reduction of at least one tooth. The frequency of congenital absence of teeth in Sardinians lies in the middle of the range of Caucasoid populations, but the average (mean = 1.7) per individual seems to be the lowest ever reported. In some traits of agenesis Sardinians show great similarity to other isolated populations. This suggests that dental agenesis is probably affected by the same factors (e.g. isolation and inbreeding), which are responsible for the present genetic structure of the Sardinian population.
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Affiliation(s)
- G Vona
- Dipartimento di Biologia Sperimentale, Università di Cagliari, Italy
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Tupputi M, di Martino MR, Mostarda A, Piras V. [Anesthesia and pregnancy in oral medicine]. Minerva Anestesiol 1992; 58:1051-6. [PMID: 1461400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- M Tupputi
- Cattedra di Anestesia Generale e Speciale in Odontostomatologia, Università di Cagliari
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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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