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Albertazzi V, Fontana F, Giberti S, Aiello V, Battistoni S, Catapano F, Graziani R, Cimino S, Scichilone L, Forcellini S, De Fabritiis M, Sara S, Delsante M, Fiaccadori E, Mosconi G, Storari A, Mandreoli M, Bonucchi D, Buscaroli A, Mancini E, Rigotti A, La Manna G, Gregorini M, Donati G, Cappelli G, Scarpioni R. Primary membranous nephropathy in the Italian region of Emilia Romagna: results of a multicenter study with extended follow-up. J Nephrol 2024; 37:471-482. [PMID: 37957455 DOI: 10.1007/s40620-023-01803-9] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2023] [Accepted: 10/02/2023] [Indexed: 11/15/2023]
Abstract
BACKGROUND Since primary membranous nephropathy is a heterogeneous disease with variable outcomes and multiple possible therapeutic approaches, all 13 Nephrology Units of the Italian region Emilia Romagna decided to analyze their experience in the management of this challenging glomerular disease. METHODS We retrospectively studied 205 consecutive adult patients affected by biopsy-proven primary membranous nephropathy, recruited from January 2010 through December 2017. The primary outcome was patient and renal survival. The secondary outcome was the rate of complete remission and partial remission of proteinuria. Relapse incidence, treatment patterns and adverse events were also assessed. RESULTS Median (IQR) follow-up was 36 (24-60) months. Overall patient and renal survival were 87.4% after 5 years. At the end of follow-up, 83 patients (40%) had complete remission and 72 patients (35%) had partial remission. Among responders, less than a quarter (23%) relapsed. Most patients (83%) underwent immunosuppressive therapy within 6 months of biopsy. A cyclic regimen of corticosteroid and cytotoxic agents was the most commonly used treatment schedule (63%), followed by rituximab (28%). Multivariable analysis showed that the cyclic regimen significantly correlates with complete remission (odds ratio 0.26; 95% CI 0.08-0.79) when compared to rituximab (p < 0.05). CONCLUSIONS In our large study, both short- and long-term outcomes were positive and consistent with those published in the literature. Our data suggest that the use of immunosuppressive therapy within the first 6 months after biopsy appears to be a winning strategy, and that the cyclic regimen also warrants a prominent role in primary membranous nephropathy treatment, since definitive proof of rituximab superiority is lacking.
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Affiliation(s)
- Vittorio Albertazzi
- Nephrology and Dialysis Unit, Guglielmo da Saliceto Hospital, AUSL Piacenza, Via Taverna 49, 29121, Piacenza, Italy
| | - Francesco Fontana
- Nephrology, Dialysis and Transplant Unit, University Hospital of Modena, Modena, Italy
| | - Stefania Giberti
- Nephrology and Dialysis Unit, Santa Maria Nuova Hospital, Reggio Emilia, Italy
| | - Valeria Aiello
- Nephrology, Dialysis and Renal Transplant Unit, S. Orsola Hospital, University of Bologna, Bologna, Italy
| | - Sara Battistoni
- Unit of Nephrology and Dialysis, Ospedale Infermi, Rimini, Italy
| | - Fausta Catapano
- Unit of Nephrology, Dialysis and Hypertension, Azienda Ospedaliero-Universitaria di Bologna Policlinico S. Orsola-Malpighi, Bologna, Italy
| | - Romina Graziani
- Unit of Nephrology and Dialysis, Santa Maria delle Croci Hospital, Ravenna, Italy
| | - Simonetta Cimino
- Nephrology and Dialysis Unit, Azienda Unità Sanitaria Locale di Modena, Ospedale Ramazzini, Carpi, Italy
| | - Laura Scichilone
- Nephrology and Dialysis Unit, Azienda USL Imola, Ospedale S. Maria Scaletta, Imola, Italy
| | | | - Marco De Fabritiis
- Unit of Nephrology and Dialysis, Ospedale Morgagni-Pierantoni, Forlì, Italy
| | - Signorotti Sara
- Unit of Nephrology and Dialysis, Ospedale Bufalini, Cesena, Italy
| | - Marco Delsante
- Nephrology Unit, Parma University Hospital, University of Parma, Parma, Italy
| | - Enrico Fiaccadori
- Nephrology Unit, Parma University Hospital, University of Parma, Parma, Italy
| | - Giovanni Mosconi
- Unit of Nephrology and Dialysis, Ospedale Morgagni-Pierantoni, Forlì, Italy
- Unit of Nephrology and Dialysis, Ospedale Bufalini, Cesena, Italy
| | - Alda Storari
- Unit of Nephrology, University Hospital of Ferrara, Ferrara, Italy
| | - Marcora Mandreoli
- Nephrology and Dialysis Unit, Azienda USL Imola, Ospedale S. Maria Scaletta, Imola, Italy
| | - Decenzio Bonucchi
- Nephrology and Dialysis Unit, Azienda Unità Sanitaria Locale di Modena, Ospedale Ramazzini, Carpi, Italy
| | - Andrea Buscaroli
- Unit of Nephrology and Dialysis, Santa Maria delle Croci Hospital, Ravenna, Italy
| | - Elena Mancini
- Unit of Nephrology, Dialysis and Hypertension, Azienda Ospedaliero-Universitaria di Bologna Policlinico S. Orsola-Malpighi, Bologna, Italy
| | - Angelo Rigotti
- Unit of Nephrology and Dialysis, Ospedale Infermi, Rimini, Italy
| | - Gaetano La Manna
- Nephrology, Dialysis and Renal Transplant Unit, S. Orsola Hospital, University of Bologna, Bologna, Italy
| | | | - Gabriele Donati
- Nephrology, Dialysis and Transplant Unit, University Hospital of Modena, Modena, Italy
| | - Gianni Cappelli
- Nephrology, Dialysis and Transplant Unit, University Hospital of Modena, Modena, Italy
| | - Roberto Scarpioni
- Nephrology and Dialysis Unit, Guglielmo da Saliceto Hospital, AUSL Piacenza, Via Taverna 49, 29121, Piacenza, Italy.
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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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Graziani R, Monti M, Sejdiu B, Gozzetti F, Martelli D, Tampieri E, Isola E, Zanchelli F, Briganti M, Cenacchi G, Fabbrizio B, Buscaroli A. [Minimal change disease during lithium therapy: case report]. G Ital Nefrol 2019; 36:36-4-2019-10. [PMID: 31373471] [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: 06/10/2023]
Abstract
Lithium is a largely used and effective therapy in the treatment of bipolar disorder. Its toxic effects on kidneys are mostly diabetes insipidus, hyperchloremic metabolic acidosis and tubulointerstitial nephritis. Also, a correlation between lithium and minimal change disease has sometimes been described. We report here the case of a patient with severe bipolar disorder on lithium therapy who, without any pre-existing nephropathy, developed nephrotic syndrome and AKI with histopathologic findings pointing to minimal change disease. The patient was treated with symptomatic therapy; the discontinuation of lithium therapy resulted in the remission of AKI and of the nephrotic syndrome, thus suggesting a close relationship between lithium and minimal change disease.
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Affiliation(s)
- Romina Graziani
- UO Nefrologia e Dialisi, Ospedale Santa Maria delle Croci, Ravenna, Ausl Romagna
| | - Mattia Monti
- UO Nefrologia e Dialisi, Ospedale Santa Maria delle Croci, Ravenna, Ausl Romagna
| | - Brunilda Sejdiu
- UO Nefrologia e Dialisi, Ospedale Santa Maria delle Croci, Ravenna, Ausl Romagna
| | - Francesco Gozzetti
- UO Nefrologia e Dialisi, Ospedale Santa Maria delle Croci, Ravenna, Ausl Romagna
| | - Davide Martelli
- UO Nefrologia e Dialisi, Ospedale Santa Maria delle Croci, Ravenna, Ausl Romagna
| | - Elena Tampieri
- UO Nefrologia e Dialisi, Ospedale Santa Maria delle Croci, Ravenna, Ausl Romagna
| | - Elisabetta Isola
- UO Nefrologia e Dialisi, Ospedale Santa Maria delle Croci, Ravenna, Ausl Romagna
| | - Fulvia Zanchelli
- UO Nefrologia e Dialisi, Ospedale Santa Maria delle Croci, Ravenna, Ausl Romagna
| | - Mario Briganti
- UO Nefrologia e Dialisi, Ospedale Santa Maria delle Croci, Ravenna, Ausl Romagna
| | - Giovanna Cenacchi
- SSD di Diagnostica Istopatologica e Molecolare degli Organi solidi e del relativo Trapianto Policlinico S. Orsola-Malpighi Bologna
| | - Benedetta Fabbrizio
- SSD di Diagnostica Istopatologica e Molecolare degli Organi solidi e del relativo Trapianto Policlinico S. Orsola-Malpighi Bologna
| | - Andrea Buscaroli
- UO Nefrologia e Dialisi, Ospedale Santa Maria delle Croci, Ravenna, Ausl Romagna
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Zanchelli F, Isola E, Cicciarella L, Graziani R, Monti M, Martelli D, Tampieri E, Buscaroli A. [Minimal Change Relapse During Pregnancy]. G Ital Nefrol 2018; 35:35-2018-10. [PMID: 30035449] [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: 06/08/2023]
Abstract
The appearance of nephrotic syndrome during pregnancy is considered an exceptional event, whose incidence is around 0.012-0.025% of all pregnancies, and it is even more rare when the cause is represented by minimal lesions glomerulonephritis. In this article we will describe the case of a patient with a histological diagnosis of glomerulonephritis with minimal lesions, tending to frequent relapses. She was in complete remission since 2013 after treatment with cyclosporine. suspended in May 2017. After few weeks she become pregnant, and the pregnancy was regular until the 23rd week. when a recurrence of nephrotic syndrome appears. She was treated with steroids bolus followed by oral steroid, and afterwards gave birth to a live fetus with spontaneous delivery at 37 weeks The few data in the literature confirm that recurrence of glomerulonephritis due to minimal lesions in pregnancy should be treated rapidly with steroids, that can induce rapid remission and protect both the pregnant than the fetus from even serious damage.
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Affiliation(s)
- Fulvia Zanchelli
- AUSL della Romagna - U.O. Nefrologia e Dialisi, Ospedale Santa Maria delle Croci, Ravenna, Italia
| | - Elisabetta Isola
- AUSL della Romagna - U.O. Nefrologia e Dialisi, Ospedale Santa Maria delle Croci, Ravenna, Italia
| | - Lara Cicciarella
- AUSL della Romagna - U.O. Nefrologia e Dialisi, Ospedale Santa Maria delle Croci, Ravenna, Italia
| | - Romina Graziani
- AUSL della Romagna - U.O. Nefrologia e Dialisi, Ospedale Santa Maria delle Croci, Ravenna, Italia
| | - Mattia Monti
- AUSL della Romagna - U.O. Nefrologia e Dialisi, Ospedale Santa Maria delle Croci, Ravenna, Italia
| | - Davide Martelli
- U.O. Nefrologia Universitaria, Azienda Ospedaliero-Universitaria Policlinico e Università degli Studi Aldo Moro di Bari
| | - Elena Tampieri
- AUSL della Romagna - U.O. Nefrologia e Dialisi, Ospedale Santa Maria delle Croci, Ravenna, Italia
| | - Andrea Buscaroli
- AUSL della Romagna - U.O. Nefrologia e Dialisi, Ospedale Santa Maria delle Croci, Ravenna, Italia
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Zanchelli F, Tampieri E, Gozzetti F, Monti M, Martelli D, Graziani R, Zuffa E, Vincenzi D, Gamboni A, Buscaroli A. [Atypical hemolytic uremic syndrome related to Oxalyplatin Cancer Chemotherapy responsive to Eculizumab]. G Ital Nefrol 2017; 34:gin/00250.5. [PMID: 28177095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
We describe the case of a patient with adenocarcinoma of the colon treated with FOLFOX-4 (5-Fluorouracil, Folinic acid, Oxalyplatin), with subsequent appearance of atypical hemolytic uremic syndrome (aHUS). From 1999 to 2009, 13 cases of atypical HUS receiving chemotherapy with oxaliplatin have been described, as well as some sporadic cases. None of these cases has been treated with eculizumab. This is the first report of a patient with aHUS secondary to Oxalyplatin treated with Eculizumab. This treatment induced a complete remission of the syndrome and, later on, it has been discontinued with clinical and laboratory permanent remission. We identified some genetic mutations in this patient that might have a pathogenic role in the determining aHUS when associated with exposure to Oxalyplatin. Oxalyplatin withdrawal and its replacement to Irinotecan allowed the patient to receive first line chemotherapy continuation (FOLFIRI) with the same life expectancy and the same symptoms free period.
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Fagioli F, Telesforo L, Dell'Erba A, Consolazione M, Migliorini V, Patanè M, Boldrini T, Graziani R, Nicoletti F, Fiori-Nastro P. Depersonalization: An exploratory factor analysis of the Italian version of the Cambridge Depersonalization Scale. Compr Psychiatry 2015; 60:161-7. [PMID: 25863646 DOI: 10.1016/j.comppsych.2014.06.007] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/20/2013] [Revised: 05/25/2014] [Accepted: 06/20/2014] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND "Depersonalization" (DP) is a common symptom in the general population and psychiatric patients (Michal et al., 2011 [1]). DP is characterized by an alteration in the experience of the self, so that one feels detached from his or her own mental processes or body (or from the world), feeling as being an outside observer of his or her own self, and loosing the experience of unity and identity (American Psychiatric Association, 2013 [2]). AIM We performed an exploratory factor analysis of the Cambridge Depersonalization Scale Italian version (CDS-IV). METHODS We enrolled 149 inpatients and outpatients of psychiatric services located in two Italian regions, Lazio and Campania. Patients were aged between 15 and 65 and diagnosed with schizophrenic, depressive or anxiety disorders. RESULTS Four factors accounted for 97.4% of the variance. Factor 1 (10, 24, 26, 1, 13, 23, 9, 2, 5, and 11), called "Detachment from the Self", captures experiences of detachment from actions and thoughts. Factor 2 (19, 20, 27, 3, 12, 23, 22, and 11), called "Anomalous bodily experiences", refers to unusual bodily experiences. Factor 3 (7, 28, 25, 6, 9, and 2), named "Numbing", describes the dampening of affects. Factor 4 (14, 17, and 16), named "Temporal blunting", refers to the subjective experience of time. We did not find any specific factor that refers to derealization; this suggests that the constructs of depersonalization/derealization (DP/DR) were strongly related to each other. CONCLUSIONS Our results show that the constructs of DP/DR subsume several psychopathological dimensions; moreover, the above mentioned factors were broadly consistent with prior literature.
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Affiliation(s)
- F Fagioli
- Department of Psychiatry, Sapienza University of Rome, Italy; Mental Health Department, ASL RME. Adolescents Department, Rome, Italy
| | - L Telesforo
- NESMOS Department (Neurosciences, Mental Health and Sensory Functions), Sapienza University, 2nd Medical School, Sant'Andrea Hospital, Via di Grottarossa 1035-1039, Rome, Italy.
| | - A Dell'Erba
- Mental Health Department, ASL Viterbo, SPDC Viterbo, Italy
| | - M Consolazione
- UMR8576, UGSF, Neuroplasticity Team, University of Lille 1, Villeneuve d'Ascq, France; Department of Neuroscience, Reproductive Sciences and Dentistry, Federico II University 2nd Medical School, via Pansini 5 - 80131, Naples
| | - V Migliorini
- Mental Health Department, ASL RMD, DSM, via Collautti, Rome, Italy
| | - M Patanè
- Department of Psychiatry, Sapienza University of Rome, Italy
| | - T Boldrini
- Mental Health Department, ASL RME. Adolescents Department, Rome, Italy
| | - R Graziani
- Mental Health Department, ASL RME. Adolescents Department, Rome, Italy
| | - F Nicoletti
- I.R.C.C.S. Neuromed, Pozzilli, Italy; Department of Physiology and Pharmacology, Sapienza University of Rome, Italy
| | - P Fiori-Nastro
- Department of Psychiatry, Sapienza University of Rome, Italy
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Müller E, Langer E, Jäkle H, Muhm H, Hoppe W, Graziani R, Gieren A, Brandl F. Neue Synthesen Mit Ubergangsmetallkomplexen, X. Mitt / New Syntheses With Transition Metal Complexes, X. Zeitschrift für Naturforschung B 2014. [DOI: 10.1515/znb-1971-0406] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
The X-ray determination (W. HOPPE and coworkers) of the structure of the Rh-complex from tris- [triphenylphosphin] -rhodiumchloride and 1.2-bis- [phenylpropinoyl] -benzene (synthesized by E. MÜLLER and coworkers) shows a molecular structure with a metallocyclopentadiene system formed by both C≡C groups and the Rh atom by ring closure. The coordination number of rhodium is 5. The reaction path leading to the complex is discussed, and it is pointed out that the complex does not reacting with typical dienophiles but with acetylenes.
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Affiliation(s)
| | | | | | - Helmut Muhm
- Chemisches Institut der Universität Tübingen
| | - W. Hoppe
- Max-Planck-Institut für Eiweiß- und Lederforschung, Abteilung für Röntgenstrukturforschung, München
| | - R. Graziani
- Max-Planck-Institut für Eiweiß- und Lederforschung, Abteilung für Röntgenstrukturforschung, München
| | - A. Gieren
- Max-Planck-Institut für Eiweiß- und Lederforschung, Abteilung für Röntgenstrukturforschung, München
| | - F. Brandl
- Max-Planck-Institut für Eiweiß- und Lederforschung, Abteilung für Röntgenstrukturforschung, München
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Grasso D, Corsetti R, Lanteri P, Di Bernardo C, Colombini A, Graziani R, Banfi G, Lombardi G. Bone-muscle unit activity, salivary steroid hormones profile, and physical effort over a 3-week stage race. Scand J Med Sci Sports 2013; 25:70-80. [DOI: 10.1111/sms.12147] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/23/2013] [Indexed: 11/26/2022]
Affiliation(s)
- D. Grasso
- Laboratory of Experimental Biochemistry and Molecular Biology; I.R.C.C.S. Istituto Ortopedico Galeazzi; Milano Italy
| | - R. Corsetti
- Medical Board Liquigas-Cannondale Pro-tour Cycling Team; Sesto al Reghena Italy
| | - P. Lanteri
- Laboratory of Experimental Biochemistry and Molecular Biology; I.R.C.C.S. Istituto Ortopedico Galeazzi; Milano Italy
| | - C. Di Bernardo
- Laboratory of Experimental Biochemistry and Molecular Biology; I.R.C.C.S. Istituto Ortopedico Galeazzi; Milano Italy
| | - A. Colombini
- Laboratory of Experimental Biochemistry and Molecular Biology; I.R.C.C.S. Istituto Ortopedico Galeazzi; Milano Italy
| | - R. Graziani
- Centro Diagnostico Alto-Lombardo - CEDAL; Gallarate Italy
| | - G. Banfi
- Laboratory of Experimental Biochemistry and Molecular Biology; I.R.C.C.S. Istituto Ortopedico Galeazzi; Milano Italy
- Department of Biomedical Sciences for Health; University of Milan; Milan Italy
| | - G. Lombardi
- Laboratory of Experimental Biochemistry and Molecular Biology; I.R.C.C.S. Istituto Ortopedico Galeazzi; Milano Italy
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Lombardi G, Corsetti R, Lanteri P, Grasso D, Vianello E, Marazzi MG, Graziani R, Colombini A, Galliera E, Corsi Romanelli MM, Banfi G. Reciprocal regulation of calcium-/phosphate-regulating hormones in cyclists during the Giro d'Italia 3-week stage race. Scand J Med Sci Sports 2013; 24:779-87. [PMID: 23647316 DOI: 10.1111/sms.12080] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/20/2012] [Indexed: 12/25/2022]
Abstract
Calcium and phosphate are essential for cell functions, and their serum concentrations result from the balance between intestinal absorption, bony storage, and urinary excretion. Fibroblast growth factor 23 (FGF23), expressed by osteocytes and osteoblasts, acts in the kidney, leading to hypophosphatemia and low 1,25-dihydroxycholecalciferol synthesis, but suppresses parathyroid function. The aim of this study was to explore the effects of a high-energy demanding cycling race on this bone-kidney-parathyroid axis. We studied nine cyclists during the 2011 Giro d'Italia stage race. Pre-analytical and analytical phases followed academic and anti-doping recommendations. Serum parathyroid hormone (PTH), 25(OH)D, total calcium, inorganic phosphorus, and plasma FGF23 were measured on days -1, 12, and 22 and corrected for changes in plasma volume. Dietary calcium and phosphorus, anthropometric parameters (height, weight, and body mass index) and indexes of metabolic effort (net energy expenditure, power output) were recorded. Dietary calcium and phosphorus intakes were kept at the same levels throughout the race. Twenty-five (OH)D, PTH, and calcium concentrations remained stable. FGF23 increased 50% with a positive correlation with the indexes of metabolic effort and, consequently, phosphorous decreased, although only in the first half. The strong metabolic effort acts on the bone-kidney-parathyroid system, and the rise in FGF23 plasma concentration might be aimed at maintaining calcium and phosphorus homeostasis.
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Affiliation(s)
- G Lombardi
- Experimental Biochemistry and Molecular Biology Laboratory, I.R.C.C.S. Istituto Ortopedico Galeazzi, Milano, Italy
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Graziani R, Frulloni L, Cicero C, Manfredi R, Ambrosetti MC, Mautone S, Pozzi Mucelli R. Bull's-eye pattern of pancreatic-duct stones on multidetector computed tomography and gene-mutation-associated pancreatitis (GMAP). Radiol Med 2012; 117:1275-86. [PMID: 23090249 DOI: 10.1007/s11547-012-0888-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2011] [Accepted: 01/13/2012] [Indexed: 01/28/2023]
Abstract
PURPOSE This study prospectively assessed whether the presence of a bull's-eye pattern of pancreatic-duct stones on multidetector computed tomography (MDCT) correlated with gene-mutation-associated pancreatitis (GMAP) and whether other signs suggestive of GMAP can be detected with MDCT. MATERIALS AND METHODS Forty-seven patients with chronic calcific pancreatitis underwent genetic testing for CFTR, SPINK1 and PRSS1 mutations and an MDCT scan of the abdomen. Qualitative analysis assessed the presence or absence of pancreatic-duct stones with bull's-eye appearance. Quantitative analysis included the number and maximum diameter of stones and the diameter of the main pancreatic duct. RESULTS Fifteen of 47 patients (32%) were positive for gene mutations (GMAP patients). The bull's-eye pattern was found in 10/15 patients (67%) with GMAP and in 4/32 (12%) patients with chronic pancreatitis not associated with GMAP (NGMAP; p<0.0001). The mean diameter of duct stones was 15 mm in patients with GMAP and 10 mm in patients with NGMAP (p<0.04). CONCLUSIONS The presence of duct stones with a bull's-eye pattern correlates with GMAP. Duct stones with diameter ≥15 mm are another sign suggestive of GMAP.
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Affiliation(s)
- R Graziani
- Istituto di Radiologia, Università di Verona, P.le L.A. Scuro 10, 37134, Verona, Italy.
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Abstract
The paper develops and applies an expert-based stochastic population forecasting method, which can also be used to obtain a probabilistic version of scenario-based official forecasts. The full probability distribution of population forecasts is specified by starting from expert opinions on the future development of demographic components. Expert opinions are elicited as conditional on the realization of scenarios, in a two-step (or multiple-step) fashion. The method is applied to develop a stochastic forecast for the Italian population, starting from official scenarios from the Italian National Statistical Office.
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Lucchi L, Carboni C, Stipo L, Malaguti V, Ferrari F, Graziani R, Arletti S, Graziosi C. Early initiation of cinacalcet for the treatment of secondary hyperparathyroidism in hemodialysis patients: a three-year clinical experience. Artif Organs 2011; 35:1186-93. [PMID: 21848793 DOI: 10.1111/j.1525-1594.2011.01270.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
Despite the availability of standard therapy (vitamin D sterols and phosphate binders) for the treatment of secondary hyperparathyroidism (SHPT) in hemodialyzed (HD) patients, a significant percentage of patients still fail to achieve targets recommended by the Kidney Disease Outcomes Quality Initiative (K/DOQI) of the National Kidney Foundation for parathyroid hormone (PTH), calcium, and phosphorus. The calcimimetic cinacalcet (CN) has been shown to be an effective treatment for SHPT, significantly reducing serum PTH while simultaneously lowering calcium, phosphorus, and calcium-phosphorus product levels, thus increasing the proportion of patients achieving the K/DOQI targets for bone mineral parameters. The aim of this study was to evaluate if early treatment with CN had beneficial effects in HD patients with mild-to-moderate SHPT in whom conventional treatments had failed to achieve NKF-K/DOQI targets for PTH, serum-corrected calcium, and phosphorus while minimizing the risk of paradoxical hypercalcemia and/or hyperphosphatemia. Clinical practice data were collected monthly, starting from 6 months prior to, and up to 36 months after, the start of CN therapy. CN was started at a dose of 30 mg daily or every other day, and titrated thereafter to achieve intact PTH (iPTH) <300 pg/mL. The dose of concomitant vitamin D and phosphate binders were also adjusted in order to achieve K/DOQI targets. Data from 32 patients were collected, 28 of whom had been treated with CN for at least 36 months at the time of data analysis. At baseline, patients had serum iPTH >300 pg/mL (570 ± 295 pg/mL) and/or serum-corrected calcium >9.5 mg/dL. CN induced significant decreases in iPTH, calcium, and calcium-phosphorus product with respect to baseline levels. The percentage of patients within K/DOQI target levels at baseline, 12, 24, and 36 months was 0, 81.2, 83.3, and 86.2% for iPTH; 34.4, 65.6, 86.6, and 89.6% for serum-corrected calcium; 40.6, 56.2, 69.6, and 72.4% for phosphorus; and 37.5, 62.5, 80, and 82.7% for calcium-phosphorus product. The mean dose of CN at the end of the observation period was 38 mg/day. The mean dose of concomitant medication (calcitriol, Al-containing phosphate binders, and sevelamer) decreased from baseline to 36 months. Early treatment with CN in HD patients with SHPT increases the proportion of patients achieving and maintaining K/DOQI targets with a low dose of CN (38 mg/day). These results suggest that the metabolic control obtained with low-dose CN administered early in the course of SHPT can be maintained or increased over time.
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Affiliation(s)
- Leonardo Lucchi
- Nephrology and Dialysis, Internal Medicine, Azienda Policlinico, Modena, Italy.
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Casetti L, Bassi C, Salvia R, Butturini G, Graziani R, Falconi M, Frulloni L, Crippa S, Zamboni G, Pederzoli P. "Paraduodenal" pancreatitis: results of surgery on 58 consecutives patients from a single institution. World J Surg 2010; 33:2664-9. [PMID: 19809849 DOI: 10.1007/s00268-009-0238-5] [Citation(s) in RCA: 67] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
BACKGROUND Cystic dystrophy of heterotopic pancreas, groove pancreatitis, pancreatic hamartoma of the duodenum, paraduodenal wall cyst, and myoadenomatosis are all terms grouped together, from a pathological viewpoint, as definitions of paraduodenal pancreatitis (PP). The objective of the present study was to investigate the clinical characteristics, therapeutic strategies, and results in 58 patients undergoing pancreatic resection for PP. METHODS From January 1990 to December 2006 data were prospectively collected on 58 patients who were diagnosed with PP who then underwent pancreaticoduodenectomy. RESULTS In this patient cohort the median age was 44.7 years; only 4 patients were women, and only 3 had non-drinker and/or non smoker habits. The overall morbidity was 18.9%, and the median hospitalization was 11 days. There were no postoperative deaths. In a median follow-up of 96.3 months, all patients noted a decrease in the pain associated with PP; 35 patients (76%) had complete disappearance of pain, whereas occasional relapsing pain occurred in the remaining 11 (24%). CONCLUSIONS Patients with PP have clinical characteristics similar to those of chronic pancreatitis. The diagnostic imaging modalities of choice are ultrasonographic endoscopy and magnetic resonance cholangiopancreaticography. Based on our surgical experience, pancreaticoduodenectomy seems to be a reasonable choice of treatment in patients with PP.
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Affiliation(s)
- L Casetti
- Dipartimento di Scienze Chirurgiche, University of Verona, Policlinico GB Rossi, Piazzale LA Scuro, 37134 Verona, Italy
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Graziani R, Brandalise A, Bellotti M, Manfredi R, Contro A, Falconi M, Boninsegna L, Pozzi Mucelli R. Imaging of neuroendocrine gastroenteropancreatic tumours. Radiol Med 2010; 115:1047-64. [PMID: 20221711 DOI: 10.1007/s11547-010-0540-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2009] [Accepted: 08/06/2009] [Indexed: 01/04/2023]
Abstract
The role of imaging in functioning endocrine tumours (FETs) is primarily to detect the tumour, that is, to verify lesion number and location. Radiological detection of carcinoid tumours is limited by typical tumour location throughout the gastrointestinal tract or appendix and is therefore dependent on the tumour being large enough to make it recognisable in that site. The most common FET is insulinoma, which is commonly characterised by the typical appearance of a hypervascular lesion at multidetector-row computed tomography and magnetic resonance imaging. A particularly important role is played by intraoperative ultrasound in defining the exact number of lesions, their relationship with adjacent vascular structures and the pancreatic duct for the purposes of correct surgical planning (enucleation or resection). In the setting of nonfunctioning endocrine tumours (NFETs), which manifest late as large masses causing compression symptoms or as incidental findings, imaging is not primarily aimed at tumour detection, as this is relatively easy given the large size of the lesions. Rather, its role is to characterise the tumour and, in particular, to differentiate pancreatic NFET from ductal adenocarcinoma, as in comparison, malignant NFETs have a more favourable prognosis (5-year survival rate 40% compared with 3%-5% for adenocarcinoma) and therefore require different treatment approaches. As NFET are often malignant, they also require accurate staging and appropriate follow-up. In 80% of cases, NFETs have a "typical" imaging appearance: location in the pancreatic head, large dimensions (diameter between 5 and 15 cm, >10 cm in 30% of cases), capsule, sharp and regular margins owing to the expansile and noninfiltrative growth pattern, solid density and arterial hypervascularity. Some 20% of NFETs display different imaging characteristics ("atypical" appearance) as a result of arterial hypovascularity due to the presence of abundant fibrous stroma. Lastly, a small percentage of NFETs has yet a different appearance ("unusual") due to the cystic nature and/or diffuse location throughout the pancreatic parenchyma.
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Affiliation(s)
- R Graziani
- Dipartimento di Scienze Morfologico-Biomediche, Policlinico G.B. Rossi, Istituto di Radiologia, Verona, Italy.
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Lupini C, Cecchinato M, Scagliarini A, Graziani R, Catelli E. In vitro antiviral activity of chestnut and quebracho woods extracts against avian reovirus and metapneumovirus. Res Vet Sci 2009; 87:482-7. [DOI: 10.1016/j.rvsc.2009.04.007] [Citation(s) in RCA: 28] [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] [Received: 07/23/2008] [Revised: 02/11/2009] [Accepted: 04/15/2009] [Indexed: 11/28/2022]
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Banfi G, Morelli P, Pacioni A, Graziani R, Freschi M, Cauci S. Soluble transferrin receptor values in top level soccer players and skiers: comparison with sedentary people and pitfalls of laboratory methods. J Sports Med Phys Fitness 2009; 49:308-314. [PMID: 19861938] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
AIM Hematological assessment is crucial in athletes: the risk of sports' anemia should be monitored with hematological parameters and iron metabolism tests. The aim of this study was to evaluate soluble transferrin receptor (sTfR) efficacy, as it is highly sensitive and specific and usually utilized in sport medicine for monitoring iron metabolism. METHODS sTfR was studied using two immunological methods (IDeA Orion, and Biokit) on a group of professional athletes, together with hematological and iron metabolism parameters. Values have been compared with those of sedentary people, before and during competitive season. Athletes were 76 professional male soccer players plus 20 males and 14 females of the alpine ski Italian National Teams. RESULTS The sTfR values in athletes are similar to those found in sedentary people. Different results have been observed between the two different methods: a bias of 0.37 mg/L was found comparing them. A significant correlation between sTfR and iron, transferrin saturation, and reticulocytes was found in skiers; there was no correlation with hemoglobin, erythrocytes, ferritin. In soccer players significant differences have been retrieved among different teams' distribution of data. CONCLUSIONS The principal limit for using sTfR in sports medicine, but also in the general population, is the lack of standardization among methods. The quantitative differences in athletes between the two methods are high, although the behavior of the parameter is similar from the quality point of view. The differences between measured concentrations could influence the thresholds used in antidoping context.
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Affiliation(s)
- G Banfi
- IRCCS Galeazzi, viz Galeazzi 4, 20161 Milan, Italy.
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Manfredi R, Baltieri S, Tognolini A, Graziani R, Smaniotto D, Cellini N, Bonomo L. Recurrent uterine cancer after surgery: magnetic resonance imaging patterns and their changes after concomitant chemoradiation. Radiol Med 2008; 113:1143-56. [DOI: 10.1007/s11547-008-0312-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2007] [Accepted: 01/17/2008] [Indexed: 10/21/2022]
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Riaz S, Tenscher AC, Rubin J, Graziani R, Pao SS, Walker MA. Fine-scale genetic mapping of two Pierce's disease resistance loci and a major segregation distortion region on chromosome 14 of grape. Theor Appl Genet 2008; 117:671-681. [PMID: 18516585 DOI: 10.1007/s00122-008-0802-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2008] [Accepted: 05/09/2008] [Indexed: 05/26/2023]
Abstract
A refined genetic map of chromosome 14, which contains the Pierce's disease (PD) resistance locus, was created from three grape mapping populations. The source of PD resistance in these populations was b43-17, a male form of Vitis arizonica Engelm. that is homozygous resistant. The resistance locus segregated as a single dominant gene and mapped as PdR1a in the F1 selection F8909-17 (9621 population) and as PdR1b in a sibling F1 selection F8909-08 (04190 population). These two full sibs inherited either allele of the Pierce's disease resistance locus from the b43-17 parent, which is homozygous at that locus. The 9621 population consisted of 425 progeny and PdR1a mapped between markers VvCh14-56/VvCh14-02 and UDV095 within a 0.6 cM genetic distance. The 04190 population consisted of 361 progeny and PdR1b mapped between markers VvCh14-02 and UDV095/VvCh14-10 within a 0.4 cM distance. Many of the markers present on chromosome 14 were distorted with an excess of female alleles in the 04190 and 04373 population (developed from a cross of V. vinifera L. F2-35 x b43-17) indicating that potential gametophytic factors are present in this region. Common markers from this region within the 9621 population were not distorted except Scu15. When these markers were compared to V. vinifera-based maps of chromosome 14 they were also distorted suggesting the involvement of gametophytic factors, and prompting the identification of this region as Vitis-segregation distortion region 1 (V-SDR1). The refined genetic maps developed from this study can be used to identify and clone genes that confer resistance to Pierce's disease.
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Affiliation(s)
- S Riaz
- Department of Viticulture and Enology, University of California, Davis, CA 95616, USA
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Manfredi R, Mehrabi S, Motton M, Graziani R, Ferrari M, Salvia R, Pozzi Mucelli R. MR imaging and MR cholangiopancreatography of multifocal intraductal papillary mucinous neoplasms of the side branches: MR pattern and its evolution. Radiol Med 2008; 113:414-28. [PMID: 18493777 DOI: 10.1007/s11547-008-0260-y] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2007] [Accepted: 07/04/2007] [Indexed: 12/29/2022]
Abstract
PURPOSE This paper describes the magnetic resonance imaging (MRI) and magnetic resonance cholangiopancreatography (MRCP) pattern of multifocal intraductal papillary mucinous tumours (IPMT) of the pancreatic side branches and its evolution during followup. MATERIALS AND METHODS Twenty-six patients with multifocal IPMT of the side branches were included in this retrospective study. Inclusion criteria were > or =2 ectasic side branches, presence of communication with the main pancreatic duct, and > or =2 MRI/MRCP examinations after > or = 6-12 months. Exclusion criteria were IPMT involving both the main pancreatic duct and its branch ducts, previous surgery and lack of follow-up MRI examinations. Median follow-up was 27 (range 6-59) months. Images were assessed qualitatively and quantitatively. Qualitative assessment considered: the number of cystic lesions of the branch ducts, morphology of the communication between the cystic lesion and the main duct (direct or neck), presence of intraluminal filling defects within the cystic lesions, presence of mural nodules and mural enhancement of the cystic lesion. quantitative assessment considered mean maximal diameter of the cystic lesions and mean length of the communication neck. RESULTS At diagnosis, the mean number of cystic lesions of the side branches was 7.5. a communication neck was detected in 16/26 patients (60%). Intraluminal filling defects in the side branches were present in 6/26 patients (23%). Mural nodules were seen in 1/26 patients (4%). The mean diameter of the cystic lesions was 18.8 mm. The mean length of the communication neck was 6.9 mm. At follow-up, the mean number of cystic lesions of the side branches was 8.4. A communication neck was detected in 20/26 patients (77%). Intraluminal filling defects in the side branches were detected in 7/26 patients (27%); mural nodules were seen in 2/26 patients (8%). Mural enhancement of the branch duct was detected in 2/26 patients (8%). The mean diameter of the cystic lesions increased to 22.3 mm (p < 0.05), and the mean length of the communication neck was 8.6 mm. CONCLUSIONS MultifocaL IPMT of the side branches shows a constant but very slow progression over time. In our series, only 2/26 patients showed mural nodules.
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Affiliation(s)
- R Manfredi
- Istituto di Radiologia, Università di Verona, Policlinico G.B. Rossi, Piazzale L.A. Scuro 10, Verona, Italy.
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Bianchi G, Nicolino F, Passerini G, Grazi GL, Zappoli P, Graziani R, Berzigotti A, Chianese R, Mantovani V, Pinna AD, Zoli M. Plasma total homocysteine and cardiovascular risk in patients submitted to liver transplantation. Liver Transpl 2006; 12:105-11. [PMID: 16382457 DOI: 10.1002/lt.20586] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Patients submitted to orthotopic liver transplantation (OLT) show an increased rate of cardiovascular events. OLT subjects have high homocysteine (Hcy) levels, but no data are available on the association of Hcy with cardiovascular events. In a cross-sectional analysis, 230 subjects were studied at least 6 months after OLT (159 on cyclosporine, 71 on tacrolimus). Routine laboratory data and total Hcy were recorded, as well as the history of diabetes, hypertension, dyslipidemia, and overweight. Cardiovascular events occurring in a follow-up of 2-36 months were registered. OLT subjects had higher-than-normal Hcy (median 16.7 micromol/L, range 6.1-171.8) without difference between the 2 immunosuppressive agents. The prevalence of Hcy >15 micromol/L was also similar, and significantly correlated with creatinine levels. A total of 28 arterial events occurred in 25 patients during follow-up (11 in coronary arteries, 10 in peripheral arteries, and 7 in splanchnic arteries). Deep vein thromboses occurred in 2 patients, and splanchnic vein thromboses in 4 patients. Cardiovascular events were frequently associated to high Hcy and hypertension. Cox regression analysis showed that high Hcy was significantly associated with arterial events. The risk of any arterial event, coronary artery or peripheral artery event increased by nearly 10% for any increase in Hcy of 5 micromol/L. In conclusion, high Hcy may be involved in the pathogenesis of cardiovascular events in OLT patients. The usefulness of Hcy-lowering therapy remains to be verified.
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Affiliation(s)
- Giampaolo Bianchi
- Dipartimento di Medicina Interna, Cardioangiologia, Epatologia, Università di Bologna, Policlinico S. Orsola-Malpighi, Bologna, Italy.
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Bianchi G, Marchesini G, Nicolino F, Graziani R, Sgarbi D, Loguercio C, Abbiati R, Zoli M. Psychological status and depression in patients with liver cirrhosis. Dig Liver Dis 2005; 37:593-600. [PMID: 15869912 DOI: 10.1016/j.dld.2005.01.020] [Citation(s) in RCA: 112] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2004] [Accepted: 01/17/2005] [Indexed: 12/11/2022]
Abstract
BACKGROUND Previous studies reported an impairment of both the physical and mental dimensions of quality of life in patients with cirrhosis. Very few data are available on the psychological impact of the disease and its relation to liver function. AIM To measure the psychological status of patients with cirrhosis in relation to the severity of the liver impairment. PATIENTS AND METHODS One hundred and fifty-six patients with cirrhosis were studied. Two questionnaires (the Beck Depression Inventory and the Psychological General Well-Being Index) were self-administered in random order. Clinical and laboratory data were collected using standardised forms. RESULTS The global score of Psychological General Well-Being Index was severely reduced compared to Italian population norm. Among individual domains, the more severely affected was General Health, the less compromised was Positive Well-Being. A negative relation was found between Child-Pugh score (a comprehensive measure of disease severity) and global Psychological General Well-Being Index and several individual subscales. The Beck Depression Inventory scores were indicative of a depressed mood in over 50% of patients, in relation to the presence of clinical symptoms. CONCLUSIONS Patients with cirrhosis have signs of psychological distress and depression, as assessed by Beck Depression Inventory and Psychological General Well-Being Index, in relation to the severity of liver disease. Accordingly, a non-negligible number of patients warrant treatment.
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Affiliation(s)
- G Bianchi
- Department of Internal Medicine, Cardioangiology, Hepatology, Alma Mater Studiorum University of Bologna, S. Orsola-Malpighi Hospital, Via Massarenti 9, I-40138 Bologna, Italy.
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Couce MD, Faraglia G, Russo U, Graziani R, Valle G. Crystal structure of chlorodimethyl(2-aminoethanethiolato)tin(IV), (NH2CH2CH2S)SnCl(CH3)2. Z KRIST-NEW CRYST ST 2004. [DOI: 10.1524/ncrs.2004.219.2.195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Abstract C4H12ClNSSn, orthorhombic, Pbca (no. 61), a = 11.422(2) Å, b = 11.475(2) Å, c = 13.582(2) Å, V = 1780.2 Å3, Z = 8, Rgt(F) = 0.057, wRref(F2) = 0.147, T = 293 K.
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Affiliation(s)
- M. D. Couce
- 1Universidad de Vigo, Facultad de Ciencias, Departamento de Química Inorgánica, ESP-36200 Vigo, Spain
| | - G. Faraglia
- 2Università di Padova, Dipartimento di Chimica Inorganica, Metallorganica e Analitica, Via Loredan 4, I-35131 Padua, Italy
| | - U. Russo
- 2Università di Padova, Dipartimento di Chimica Inorganica, Metallorganica e Analitica, Via Loredan 4, I-35131 Padua, Italy
| | - R. Graziani
- 2Università di Padova, Dipartimento di Chimica Inorganica, Metallorganica e Analitica, Via Loredan 4, I-35131 Padua, Italy
| | - G. Valle
- 3Università di Padova, Dipartimento di Chimica Organica, CNR, Centro di Ricerche sui Biopolimeri, Via Marzolo 1, I-35131 Padua, Italy
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Alverdi V, Giovagnini L, Marzano C, Seraglia R, Bettio F, Sitran S, Graziani R, Fregona D. Characterization studies and cytotoxicity assays of Pt(II) and Pd(II) dithiocarbamate complexes by means of FT-IR, NMR spectroscopy and mass spectrometry. J Inorg Biochem 2004; 98:1117-28. [PMID: 15149823 DOI: 10.1016/j.jinorgbio.2004.03.011] [Citation(s) in RCA: 83] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2003] [Revised: 03/22/2004] [Accepted: 03/24/2004] [Indexed: 10/26/2022]
Abstract
The precursors [M(ESDTM)Cl(2)] (M=Pt(II), Pd(II); ESDTM=EtO(2)CCH(2)(CH(3))NCS(2)Me, S-methyl(ethylsarcosinedithiocarbamate)) were synthesized as previously reported [J. Inorg. Biochem. 83 (2001) 31] and used to obtain [M(ESDT)Cl](n) (ESDT=ethylsarcosinedithiocarbamate anion) species. The complexes formed through reaction between [M(ESDT)Cl](n) and the two chiral amino-alcohols synephryne (Syn) and norphenylephrine (Nor) have been synthesized, with the ultimate goal of preparing mixed dithiocarbamate/amino metal complexes of the type [M(ESDT)(Am)Cl] (Am=Syn, Nor). These compounds have been isolated, purified and characterized by means of FT-IR, mono- and bidimensional NMR spectroscopy and mass spectrometry ESI/MS (electronspray mass spectra). The experimental data suggest that in all cases coordination of the dithiocarbamate ligand (ESDT) takes a place through the two sulfur atoms, the -NCSS moiety acting as a symmetrical bidentate chelating group, in a square-planar geometry around the M(II) ion, while the other two coordination positions are occupied by the chlorine atom and the amino-alcohol ligand, respectively. In particular, synephrine and norphenylephrine appear to be bound to the metal atom through the amino nitrogen atom by means of a dative bond. Finally, the biological activity of the new complexes has been studied by MTT (tetrazolio salt reduction) test and by detecting the inhibition of DNA synthesis and of clonal growth in various cancer cell lines. All Pd(II) derivatives showed a noticeable activity very close to that of cisplatin, used as reference drug. Moreover, they showed significantly reduced cross-resistance to cisplatin in a pair of cell lines (2008/C13*) with known acquired cisplatin resistance mechanisms.
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Affiliation(s)
- V Alverdi
- Department of Inorganic, Metallorganic and Analytical Chemistry, University of Padua, via Loredan 4, 35131 Padua, Italy
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Couce MD, Faraglia G, Russo U, Graziani R, Valle G. Crystal structure of chlorodimethyl(2-aimnoethanethiolato)tin(IV), (NH2CH2CH2S)SnCl(CH3)2. Z KRIST-NEW CRYST ST 2004. [DOI: 10.1524/ncrs.2004.219.14.205] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Casellato U, Graziani R, Teijeira M, Uriarte E. Crystal structure of {2-[4-(4-chlorophenyl)-4-hydroxy-1-piperidinylmethyl] cyclopentyl}-(4-fluorophenyl)-methanone, C24H27ClFNO2. Z KRIST-NEW CRYST ST 2003. [DOI: 10.1524/ncrs.2003.218.4.437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Abstract C24H27ClFNO2, triclinic, P1̅̅̅̅ (No. 2), a = 9.494(2) Å, b = 10.769(2) Å, c = 11.377(3)Å, α = 87.18(3)°, β = 67.27(3)°, γ = 88.01(3)°, V = 1071.4 Å3, Z = 2, Rgt(F) = 0.076, wRobs(F2) = 0.302, T = 293 K.
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Affiliation(s)
- U. Casellato
- 1CNR, Istituto di Chimica e Tecnologie Inorganiche e dei Materiali Avanzati, Area della Ricerca, Corso Stati Uniti 4, I-35127 Padua, Italy
| | - R. Graziani
- 2Universita’ di Padova, Dipartimento di Chimica Inorganica, Metallorganica e Analitica, Via Loredan 4, I-35131 Padua, Italy
| | - M. Teijeira
- 3Universidad de Santiago de Compostela, Facultad de Farmacia, Departamento de Quimica Organica, Campus Sur, ES-15706 Santiago de Compostela, Spain
| | - E. Uriarte
- 3Universidad de Santiago de Compostela, Facultad de Farmacia, Departamento de Quimica Organica, Campus Sur, ES-15706 Santiago de Compostela, Spain
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Casellato U, Ettorre R, Graziani R. Crystal structure of bis(l-phenylimidazolium) tetrachlorocuprate(II), (C9H9N2)2(CUCl4). Z KRIST-NEW CRYST ST 2003. [DOI: 10.1524/ncrs.2003.218.jg.365] [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: 11/24/2022]
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Casellato U, Ettorre R, Graziani R. Crystal structure of bis(1-phenylimidazolium) tetrachlorocuprate(II), (C9H9N2)2(CuCl4). Z KRIST-NEW CRYST ST 2003. [DOI: 10.1524/ncrs.2003.218.3.343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
AbstractC18H18Cl4CuN4, monoclinic, C121 (No. 5), a = 14.109(3) Å, b = 10.263(2) Å, c = 15.290(3) Å, β = 102.61(3)°, V = 2160.6Å3, Z = 4, Rgt(F) = 0.040, wRall(F2) = 0.124, T = 293 K.
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Affiliation(s)
- U. Casellato
- 1CNR, Istituto di Chimica e Tecnologie Inorganiche e dei Materiali Avanzati, Area della Ricerca, Corso Stati Uniti 4, I-35127 Padua, Italy
| | - R. Ettorre
- 2Universita’ di Padova, Dipartimento di Chimica Inorganica, Metallorganica e Analitica, Via Marzolo 1, I-35131 Padua, Italy
| | - R. Graziani
- 2Universita’ di Padova, Dipartimento di Chimica Inorganica, Metallorganica e Analitica, Via Marzolo 1, I-35131 Padua, Italy
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Ronconi L, Marzano C, Russo U, Sitran S, Graziani R, Fregona D. Organotin(IV) complexes of ethylsarcosine hydrochloride: synthesis, characterization andin vitro cytotoxic activity. Appl Organomet Chem 2003. [DOI: 10.1002/aoc.389] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Procacci C, Biasiutti C, Carbognin G, Bicego E, Graziani R, Franzoso F, Pesci A, Megibow AJ. Spiral computed tomography assessment of resectability of pancreatic ductal adenocarcinoma: analysis of results. Dig Liver Dis 2002; 34:739-47. [PMID: 12469802 DOI: 10.1016/s1590-8658(02)80026-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
BACKGROUND Despite more recent technical advances, single detector spiral computed tomography is still the most widely used imaging technique for the detection and staging of pancreatic adenocarcinoma. Many reports have recently focused on single detector spiral computed tomography imaging findings indicative of unresectability AIM To evaluate the ability of single detector spiral computed tomography in the pre-operative staging of ductal adenocarcinoma of the pancreas in selecting surgically resectable versus unresectable cases, considering different parameters (vascular and local infiltration, liver metastases, lymphadenopathy, and peritoneal carcinomatosis). PATIENTS AND METHODS A total of 100 patients diagnosed with ductal adenocarcinoma of the pancreas, pathologically verified, and examined with single detector spiral computed tomography were considered. Of these, 63 underwent surgery; 37 were excluded (imaging evidence of unresectability in biopsy-proven adenocarcinomas). Single detector spiral computed tomography studies, performed at the time of surgery, were retrospectively reviewed by two radiologists. The final results were reached by consensus, without being aware of the operation. All prospective clinical readings were also considered, and tabulated. RESULTS In the patients undergoing surgery, 44 proved to be unresectable and 19 resectable. Considering the above-mentioned parameters, the prospective assessment of resectability demonstrated a rather low sensitivity (68%), with high specificity (95%). Accordingly, a high positive predictive value (97%) was achieved, while the negative predictive value was 56%. After the retrospective evaluation, the value of sensitivity increased (84%) to the expense of the specificity (84%). Moreover, a positive predictive value of 92.5%, and a negative predictive value of 69.5% were obtained. CONCLUSIONS The demonstration of many signs of unresectability of pancreatic ductal adenocarcinoma reported in the literature yields a better sensitivity in the diagnosis, but unfortunately, is associated with an inevitable reduction in specificity.
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Affiliation(s)
- C Procacci
- Department of Radiology, University Hospital G.B. Rossi, Verona, Italy.
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31
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Ronconi L, Marzano C, Russo U, Sitran S, Graziani R, Fregona D. Synthesis, characterization and in vitro cytotoxicity of new organotin(IV) derivatives of N-methylglycine. J Inorg Biochem 2002; 91:413-20. [PMID: 12161311 DOI: 10.1016/s0162-0134(02)00465-8] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
The synthesis and characterization of new coordination compounds of some diorganotins(IV) with N-methylglycine (sarcosine) are reported; all these derivatives mainly tend to assume a chelate structure. As single crystals were not obtained, a large number of experimental techniques were used to accomplish a definitive characterization and determination of their structure. Results obtained by (1)H/(119)Sn NMR, FT-IR and (119)mSn-Mössbauer spectroscopy and thermogravimetric analysis allow us to deduce the pentacoordination for 1:1 (Sn/sarcosine) derivatives [R(2)SnCl(2)(Sar)](+)Cl(-) (R=Me, n-Bu) in a trigonal-bipyramidal structure, and the hexacoordination for 1:2 complexes [R'(2)Sn(Sar)(2)](2+)2Cl(-) (R'=Me, n-Bu, Ph) in an octahedral structure; however, the probability of partially or totally non-chelate structures for some adducts increases with the steric hindrance of the R/R' groups and the number of the sarcosine molecules bound to the tin atom, so that they give rise to fluxional equilibria in solution. Finally, the synthesized compounds have been tested for in vitro cytotoxic activity against human adenocarcinoma HeLa cells showing, in some cases, strong activity even at low concentration.
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Affiliation(s)
- L Ronconi
- Dipartimento di Chimica Inorganica, Metallorganica ed Analitica dell'Università, via Loredan 4, 35131, Padova, Italy
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Procacci C, Carbognin G, Accordini S, Biasiutti C, Guarise A, Lombardo F, Ghirardi C, Graziani R, Pagnotta N, De Marco R. CT features of malignant mucinous cystic tumors of the pancreas. Eur Radiol 2002; 11:1626-30. [PMID: 11511881 DOI: 10.1007/s003300100855] [Citation(s) in RCA: 107] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2000] [Accepted: 01/24/2001] [Indexed: 12/17/2022]
Abstract
This study is aimed at evaluating which pre-operative findings at CT are prevailingly associated with histologically malignant appearance of mucinous cystic tumor (MCT) of the pancreas. The CT examinations of 52 female patients affected with pathologically proved MCT were retrospectively evaluated by two radiologists, blinded to the histopathological assessment of the biologic behavior (either benign or malignant). A multivariate logistic regression analysis was performed in order to identify the most important features associated with the malignant nature of MCT. Calcifications in the wall and/or in the septa, thick wall, and septations resulted in the most important features associated with malignancy. The simultaneous presence of all these radiological signs constitutes an almost "certain" marker of malignancy, being the risk equal to 0.95, whereas the simultaneous presence of at least two of them entails a risk of malignancy ranging from 0.56 to 0.74, according to the type of morphological features. On the other hand, the absence of the mentioned radiological features entails a negligible risk of malignancy (0.02). Mucinous cystic tumors characterized by multilocular macrocystic architecture, with thick wall and calcifications in the wall and/or the septa, present the highest risk of malignancy, and advocate prompt surgical intervention. When those signs are absent, the probability of malignancy is lower. In this case a non-operative management is possible.
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Affiliation(s)
- C Procacci
- Department of Radiology, Unit of Epidemiology and Medical Statistics, University of Verona, Medical School, Policlinico "G.B. Rossi", Via delle Menegone, 13, 37134 Verona, Italy.
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Faraglia G, Fregona D, Sitran S, Giovagnini L, Marzano C, Baccichetti F, Casellato U, Graziani R. Platinum(II) and palladium(II) complexes with dithiocarbamates and amines: synthesis, characterization and cell assay. J Inorg Biochem 2001; 83:31-40. [PMID: 11192697 DOI: 10.1016/s0162-0134(00)00133-1] [Citation(s) in RCA: 101] [Impact Index Per Article: 4.4] [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: 10/18/2022]
Abstract
The [M(ESDT)Cl]n (M = Pd or Pt; ESDT = EtO2CCH2(CH3)NCS2, methylamino-acetic acid ethyl ester-dithiocarboxylate) species have been reacted with various amines (py, pyridine; PrNH2, n-propylamine; c-BuNH2, cyclobutylamine; en, ethylenediamine) in dichloromethane or chloroform with the aim to obtain mixed ligand complexes. The neutral complexes [M(ESDT)(L)Cl] (L = py, PrNH2 or c-BuNH2) and the ionic species ([M(ESDT)(L)2]Cl and [M(ESDT)(En)]Cl) have been isolated, and characterized by IR and proton NMR spectroscopies. The crystal structure of [Pd(ESDT)(PrNH2)Cl] has been determined by X-ray crystallography. The behaviour of the complexes in various solvents was described on the basis of the proton NMR spectra. The complexes and the dithiocarbamato intermediates have been tested for in vitro cytostatic activity against human leukemic HL-60 and HeLa cells.
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Affiliation(s)
- G Faraglia
- Dipartimento di Chimica Inorganica, Metallorganica ed Analitica dell'Università, Padova, Italy.
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Butturini G, Bassi C, Falconi M, Salvia R, Caldiron E, Iannucci A, Zamboni G, Graziani R, Procacci C, Pederzoli P. Surgical treatment of pancreatic metastases from renal cell carcinomas. Dig Surg 2000; 15:241-6. [PMID: 9845592 DOI: 10.1159/000018621] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
Pancreatic metastases from a renal cell carcinoma are rare and may occur long after manifestation of the primary disease. Resection of the metastases should be regarded as the best treatment. In our center, owing to the slow evolution of these secondaries, we perform resections capable of limiting the destruction of the pancreatic parenchyma as far as possible. The use of 'atypical' resections of the pancreas is characterized by a higher incidence of postoperative complications, particularly fistulas. Despite this, we believe that adjusted resection is to be advocated because of the possibility of additional remote secondaries, the shorter duration of surgery, the preservation of the glandular parenchyma and intact adjacent organs, such as duodenum, stomach, and spleen, and the fact that there have been no reports on local recurrences.
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Affiliation(s)
- G Butturini
- Department of Surgery, Borgo Roma University Hospital, University of Verona, Italy
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Casellato U, Cavinato G, Graziani R, Toniolo L. Crystal structure of (cyclohexanonetriphenylphosphonium) (trichlorotriphenyl)palladate(II)-benzene (1/1), (C6H5)3P(CHCH2CO(CH2)3)][(C6H5)3PPdCl3] · C6H6. Z KRIST-NEW CRYST ST 2000. [DOI: 10.1515/ncrs-2000-0335] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
- U. Casellato
- 1C.N.R. - ICTIMA, Corso Stati Uniti 4, 1-35100 Padova, Italy
| | - G. Cavinato
- 2Universitá di Padova, Dipartimento di Chimica Inorganica, Via Loredan 4, 1-35131 Padova, Italy
| | - R. Graziani
- 2Universitá di Padova, Dipartimento di Chimica Inorganica, Via Loredan 4, 1-35131 Padova, Italy
| | - L. Toniolo
- 3Universitá di Venezia, Dipartimento di Chimica, Calle Larga - S.Marta 2137,1-30123 Venezia, Italy
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Couce D, Valle G, Casellato U, Graziani R, Russo U. Crystal structure of chlorodiethyl(2-dimethylaminoethanethiolato) tin(IV), (C2H6NCH2CH2S)SnCl(C2H5)2. Z KRIST-NEW CRYST ST 2000. [DOI: 10.1515/ncrs-2000-0246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
- D. Couce
- 1Universidad de Vigo, Departamento de Quimica Pura y Aplicada, Spain
| | - G. Valle
- 2Università di Padova, Centro di studio del CNR sui Biopolimeri, Via Marzolo 1,1-35131 Padova, Italy
| | - U. Casellato
- 3C.N.R. - ICTIMA, Corso Stati Uniti, 4,1-35100 Padova, Italy
| | - R. Graziani
- 4Università di Padova, Dipartimento di Chimica Inorganica, Via Loredan, 4,1-35131 Padova, Italy
| | - U. Russo
- 4Università di Padova, Dipartimento di Chimica Inorganica, Via Loredan, 4,1-35131 Padova, Italy
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37
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Casellato U, Ettorre R, Graziani R. Redetermination of the crystal structure of dichlorotetrakis- (pyrazole-N2)copper(II), (C3H4N2)4CuCl2. Z KRIST-NEW CRYST ST 2000. [DOI: 10.1515/ncrs-2000-0247] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
- U. Casellato
- 1C.N.R. - ICTIMA, Corso Stati Uniti, 4,1-35100 Padova, Italy
| | - R. Ettorre
- 2Università di Padova, Dipartimento di Chimica Inorganica, Via Loredan, 4,1-35131 Padova, Italy
| | - R. Graziani
- 2Università di Padova, Dipartimento di Chimica Inorganica, Via Loredan, 4,1-35131 Padova, Italy
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38
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Casellato U, Ettorre R, Graziani R. Crystal structure of bis(1-methylcytosinium) tetrachloropalladate(II), (C5H8N3O)2PdCl4. Z KRIST-NEW CRYST ST 2000. [DOI: 10.1515/ncrs-2000-0248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
- U. Casellato
- 1C.N.R. - ICTIMA, Corso Stati Uniti, 4,1-35100 Padova, Italy
| | - R. Ettorre
- 2Università di Padova, Dipartimento di Chimica Inorganica, Via Loredan, 4,1-35131 Padova, Italy
| | - R. Graziani
- 2Università di Padova, Dipartimento di Chimica Inorganica, Via Loredan, 4,1-35131 Padova, Italy
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39
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Casellato U, Fregona D, Graziani R. Crystal structure of bis(n-propylamine)dichloropalladium(II), (CH3CH2CH2NH2)2PdCl2. Z KRIST-NEW CRYST ST 1999. [DOI: 10.1515/ncrs-1999-0445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
- U. Casellato
- 1C.N.R. - ICTIMA, Corso Stati Uniti, 4,1-35100 Padova, Italy
| | - D. Fregona
- 2Universita Padova, Dipartimento di Chimica Inorganica, Via Loredan, 4,1-35131 Padova, Italy
| | - R. Graziani
- 2Universita Padova, Dipartimento di Chimica Inorganica, Via Loredan, 4,1-35131 Padova, Italy
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Diouf O, Sail D, Sail A, Casellato U, Graziani R. Crystal structure of[tris{2-(2'-pyridinecarboxaldimino)ethyl}amine]cop-per(II)Perchlorate,[N(CH2CH2NCHC5H4N)3Cu](ClO4)2. Z KRIST-NEW CRYST ST 1999. [DOI: 10.1515/ncrs-1999-0446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
- O. Diouf
- 1Universite Cheikh Anta Diop, Facultä des Sciences et Techniques, Departement de Chimie, Dakar, Senegal
| | - D.Guinchle Sail
- 1Universite Cheikh Anta Diop, Facultä des Sciences et Techniques, Departement de Chimie, Dakar, Senegal
| | - A.Salam Sail
- 1Universite Cheikh Anta Diop, Facultä des Sciences et Techniques, Departement de Chimie, Dakar, Senegal
| | - U. Casellato
- 2C.N.R. - ICTIMA, Corso Stati Uniti, 4,1-35100 Padova, Italy
| | - R. Graziani
- 3Universitä di Padova, Dipartimento di Chimica Inorganica, Via Loredan, 4,1-35131 Padova, Italy
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41
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Casellato U, Graziani R. Crystal structure of bis(aza-15-crown-5-dithiocarbamato)platinum(II)—dichloromethane(1/2),((CH2CH2OCH2CH2OCH2CH2OCH2CH2OCH2CH2)NCS2)2Pt·2CH2Cl2. Z KRIST-NEW CRYST ST 1999. [DOI: 10.1515/ncrs-1999-0448] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
- U. Casellato
- 1C.N.R. - ICTIMA, Corso Stati Uniti, 4,1-35100 Padova, Italy
| | - R. Graziani
- 2Universitä Padova, Dipartimento di Chimica Inorganica, Via Loredan, 4,1-35131 Padova, Italy
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Diouf O, Sail DG, Gaye M, Sail AS, Casellato U, Graziani R. Crystal structure of diphenyl-(N-salicylideneacetylhydrazonato)tin(IV), (C6H5)2[OC(CH3)NHNCHC6H4O]Sn. Z KRIST-NEW CRYST ST 1999. [DOI: 10.1515/ncrs-1999-0447] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
- O. Diouf
- 1Universite Cheikh Anta Diop, Faculte des Sciences et Techniques, Departement de Chimie, Dakar, Senegal
| | - D. Guinchle Sail
- 1Universite Cheikh Anta Diop, Faculte des Sciences et Techniques, Departement de Chimie, Dakar, Senegal
| | - M. Gaye
- 1Universite Cheikh Anta Diop, Faculte des Sciences et Techniques, Departement de Chimie, Dakar, Senegal
| | - A. Salam Sail
- 1Universite Cheikh Anta Diop, Faculte des Sciences et Techniques, Departement de Chimie, Dakar, Senegal
| | - U. Casellato
- 1Universite Cheikh Anta Diop, Faculte des Sciences et Techniques, Departement de Chimie, Dakar, Senegal
| | - R. Graziani
- 2University di Padova, Dipartimento di Chimica Inorganica, Via Loredan, 4,1-35131 Padova, Italyc
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Casellato U, Graziani R. Crystal structure of tetrakis [1 -methyl-2(3H)-imidazolinethione]diphenyltin(IV) nitrate, (H3CNC2H2NHCS)4(C6H5)2Sn(NO3)2. Z KRIST-NEW CRYST ST 1999. [DOI: 10.1515/ncrs-1999-0338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
- U. Casellato
- 1C.N.R. - ICTIM, Corso Stati Uniti, 4,1-35100 Padova, Italy
| | - R. Graziani
- 2Universitá di Padova, Dipartimento di Chimica Inorganica, Via Loredan, 4,1-35131 Padova, Italy
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44
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Delma Couce M, Casellato U, Graziani R. Crystal structure of dibromodiethylbis(thiazole)tin(IV), SnBr2(C2H5)2(NCHSCHCH)2. Z KRIST-NEW CRYST ST 1998. [DOI: 10.1524/ncrs.1998.213.14.378] [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: 11/24/2022]
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45
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Casellato U, Graziani R. Crystal structure of bispyrazolium hexachlorodicuprate(II), (C3H3N2H2)2[Cu2Cl6]. Z KRIST-NEW CRYST ST 1998. [DOI: 10.1524/ncrs.1998.213.14.377] [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: 11/24/2022]
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46
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Casellato U, Fregona D, Graziani R. Crystal structure of chlorotris(2,2,6,6-tetramethyl-3,5-heptanedionato)- zirconium(IV), [ZrCl{(CH3)3CCOCHCOC(CH3)3}3]. Z KRIST-NEW CRYST ST 1997. [DOI: 10.1524/ncrs.1997.212.1.115] [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: 11/24/2022]
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48
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Procacci C, Graziani R, Zamboni G, Cavallini G, Pederzoli P, Guarise A, Bogina G, Biasiutti C, Carbognin G, Bergamo-Andreis IA, Pistolesi GF. Cystic dystrophy of the duodenal wall: radiologic findings. Radiology 1997; 205:741-7. [PMID: 9393530 DOI: 10.1148/radiology.205.3.9393530] [Citation(s) in RCA: 76] [Impact Index Per Article: 2.8] [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: 02/05/2023]
Abstract
PURPOSE To determine the radiologic characteristics of cystic dystrophy of the duodenal wall. MATERIALS AND METHODS Ten patients with cystic dystrophy of the duodenal wall and chronic pancreatitis underwent ultrasonography (US) (n = 10), computed tomography (CT) (n = 10), endoscopic US (n = 5), and endoscopic retrograde cholangiopancreatography (ERCP) (n = 9). Cystic dystrophy of the duodenal wall was classified as either cystic or solid. The imaging findings were retrospectively analyzed and compared with findings at pancreatoduodenectomy (n = 10). RESULTS The more frequent cystic type (n = 7) of cystic dystrophy of the duodenal wall was characterized by the presence of easily recognizable cystic lesions (diameter, more than 1 cm), located within the thickened wall of the second portion of the duodenum. The solid type (n = 3) of cystic dystrophy of the duodenal wall demonstrated fibrous thickening of the duodenal wall within which small cysts (diameter, less than 1 cm) were present. The intraduodenal cysts were usually elongated or bilobate with a thick wall. The thickening of the duodenal wall appeared as a solid layer between the duodenal lumen and the pancreas, hypoechoic at US, isoattenuating at unenhanced CT, and hypoattenuating in the early phase (after initiation of infusion of contrast material) and isoattenuating in the late phase (after completion of infusion) at contrast material-enhanced CT. Findings at retrospective analysis of CT and endoscopic US images were characteristic. CONCLUSION Imaging modalities, notably CT and endoscopic US, helped establish the diagnosis of cystic dystrophy of the duodenal wall.
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Affiliation(s)
- C Procacci
- Department of Radiology, University Hospital, Policlinico Borgo Roma, Verona, Italy
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Couce MD, Casellato U, Graziani R. Crystal structure of catena-poly(μ-acetato-bromodimethyltin(IV)), SnBr(CH3)2(CH3CO2). Z KRIST-NEW CRYST ST 1997. [DOI: 10.1524/ncrs.1997.212.1.117] [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: 11/24/2022]
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50
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Di Marco A, Gloaguen I, Demartis A, Saggio I, Graziani R, Paonessa G, Laufer R. Agonistic and antagonistic variants of ciliary neurotrophic factor (CNTF) reveal functional differences between membrane-bound and soluble CNTF alpha-receptor. J Biol Chem 1997; 272:23069-75. [PMID: 9287306 DOI: 10.1074/jbc.272.37.23069] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Ciliary neurotrophic factor (CNTF) drives the sequential assembly of a receptor complex containing the ligand-specific alpha-receptor subunit (CNTFR) and the signal-transducing beta-subunits gp130 and leukemia inhibitory factor receptor-beta (LIFR). CNTFR can function in either membrane-bound or soluble forms. The membrane-bound form mediates the neuronal actions of CNTF, whereas the soluble form serves to confer cytokine responsiveness to non-neuronal cells expressing gp130 and LIFR. The objective of this work was to analyze whether the two receptor isoforms differ in their ability to interact functionally with CNTF and related proteins. Two new types of CNTF variants, characterized by weakened interactions with either CNTFR or both LIFR and gp130, were developed, and the biological activities of these and other mutants were determined in non-neuronal versus neuronal cells, as well as in non-neuronal cells transfected with an expression vector for CNTFR. Membrane anchoring of CNTFR was found to render the CNTF receptor complex relatively insensitive to changes in agonist affinity for either alpha- or beta-receptor subunits and to promote a more efficient interaction with a gp130-depleting antagonistic variant of CNTF. As a result of this phenomenon, which can be rationalized in terms of the multivalent nature of CNTF receptor interaction, CNTF variants display striking changes in receptor selectivity.
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MESH Headings
- Antigens, CD/chemistry
- Antigens, CD/metabolism
- Biological Assay
- Ciliary Neurotrophic Factor
- Cytokine Receptor gp130
- Dose-Response Relationship, Drug
- Growth Inhibitors
- Humans
- Interleukin-6
- Leukemia Inhibitory Factor
- Leukemia Inhibitory Factor Receptor alpha Subunit
- Lymphokines
- Membrane Glycoproteins/agonists
- Membrane Glycoproteins/antagonists & inhibitors
- Membrane Glycoproteins/chemistry
- Membrane Glycoproteins/metabolism
- Membrane Proteins
- Models, Chemical
- Mutation
- Nerve Tissue Proteins/genetics
- Nerve Tissue Proteins/pharmacology
- Protein Binding
- Receptor Protein-Tyrosine Kinases/agonists
- Receptor Protein-Tyrosine Kinases/antagonists & inhibitors
- Receptor Protein-Tyrosine Kinases/metabolism
- Receptor, Ciliary Neurotrophic Factor
- Receptors, Cytokine/agonists
- Receptors, Cytokine/antagonists & inhibitors
- Receptors, Cytokine/metabolism
- Receptors, Nerve Growth Factor/agonists
- Receptors, Nerve Growth Factor/antagonists & inhibitors
- Receptors, Nerve Growth Factor/metabolism
- Receptors, OSM-LIF
- Recombinant Proteins/agonists
- Recombinant Proteins/antagonists & inhibitors
- Recombinant Proteins/metabolism
- Signal Transduction
- Solubility
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Affiliation(s)
- A Di Marco
- Istituto di Ricerche di Biologia Molecolare P. Angeletti (IRBM), Pomezia, Rome, Italy
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