Dove Ricevo
Clinica Salvatormundi

(zona Gianicolo) 06.58896588,

Studio Diamedica

(zona Marconi) 06.5575758

Villa Margherita

(viale di Villa massimo 48) 06.862751

Pubblicazioni scientifiche

  1. “THE EFFECT OF LACTITOL ON BLOOD AMMONIA RESPONSE TO ORAL GLUTAMINE (GLN) CHALLANGE IN CIRRHOTIC PATIENTS: EVIDENCE FOR AN EFFECT OF NON ABSORBABLE DISACCHARIDES ON AMMONIA GENERATION FROM THE SMALL INTESTINE” A. Masini, C. Efrati, M. Merli, A.F. Attili, P. Amodio and O. Riggio HEPATOLOGY 1998 Vol 28, No. 4, Pt. 2. 1179A. Presentato all’American Association for the study of  liver Diseases (AASLD). Chicago 4-6 Novembre 1998. Poster.
  2. “EFFECT OF GLUTAMINE CHALLENGE ON PSYCHOMETRIC PERFORMANCE IN CIRRHOTIC PATIENS”. O Riggio, C Efrati, A Masini, M Merli, AF Attili. Gastroenterology, Aprile 1999; Vol. 116, N°4, part 2: L0378. Abstract.
  3. “ENCEFALOPATIA EPATICA ACUTA” O. Riggio, C. Efrati. Presentato all’VII convegno “Attualita’ e prospettive in epatologia”, Padova. Ottobre 23-24, 1997. Comunicazione orale.
  4. “THE EFFECT OF LACTITOL ON GLUTAMINE (GLN) DERIVED AMMONIA GENERATION FROM THE SMALL INTESTINE IN CIRRHOTIC PATIENTS”.A. Masini, C. Efrati, V. Valeriano, M. Merli, A. Attili, P. Amodio, and O.Riggio.  Italian journal of Gastroenterology andf Hepatology Vol. 30, Suppl. 2, 1998, 112A.  Presentato al National Meeting of Digestive Diseases, Milan, November 14-18, 1998. Poster.
  5. “NON ABSORBABLE DISACCARIDES REDUCE AMMONIA GENERATION FROM THE SMALL INTESTINE IN CIRRHOTIC PATIENTS.” A. Masini, C. Efrati, V. Valeriano, M. Merli, A. Attili, P. Amodio and O.Riggio. Presentato all’VIII convegno “Attualita’ e prospettive in epatologia”, Padova. Novembre 26-27, 1998. Poster.
  6. “CHANGES IN ECHOCARDIOGRAPHIC PARAMETERS IN CIRRHOTIC PATIENTS WITH AND WITHOUT ASCITES”. V. Valeriano, R. Lionetti, S. De Castro, S. Funaro, A. Masini, C. Efrati, G. Pulcinelli, O.Riggio, and M. Merli. Presentato all’VII convegno “Attualita’ e prospettive in epatologia”, Padova. Novembre 26-27, 1998. Poster.
  7. “LA TIPS NEL PAZIENTE CIRROTICO CON VARICI SANGUINANTI” O. Riggio, A Masini, C. Efrati, V. Valeriano, M. Merli. In:Cirrosi epatica: prevenzione e terapia. Ente ospedaliero specializzato in gastroenterologia “Saverio de Bellis” Istituto di ricovero e cura a carattere scientifico. Castellana Grotte (Bari)  III Corso avanzato. 7-8-9 Maggio1998
  8. “EFFECT OF GLUTAMINE CHALLENGE ON PSYCOMETRIC PERFORMANCE IN CIRRHOTIC PATIENTS” C. Efrati, A. Masini, M. Merli, V. Valeriano, A. Attili, P. Amodio and O.Riggio. Presentato al X International Simposium on Hepatic Encephalopathy and Nitrogen Metabolism, Istambul. Maggio 5-8, 1999. Poster.
  9. “NON ASSORBABLE DISACCHARIDES REDUCE AMMONIA GENERATION FROM THE SMALL INTESTINE IN CIRRHOTIC PATIENTS”. A. Masini, C. Efrati, M. Merli, V. Valeriano, P. Amodio, A. Attili, and O.Riggio. Presentato al X International Simposium on Hepatic Encephalopathy and Nitrogen Metabolism, Istambul. Maggio 5-8, 1999. Comunicazione orale.
  10. “GLUCOSE TOLERANCE AND INSULIN SENSITIVITY ARE NORMALIZED IN NON DIABETIC CIRRHOTIC PATIENTS AFTER LIVER TRAPIANTATION”. V. Valeriano, M. Merli, F. Leonetti C. Ribaudo,G. Tisone, A. Masini C. Efrati,  and O.Riggio. Presentato al X International Simposium on Hepatic Encephalopathy and Nitrogen Metabolism, Istambul. Maggio 5-8, 1999.
  11. “THE EFFECT OF SODIUM BENZOATE ON BLOOD AMMONIA RESPONSE TO ORAL GLUTAMINE CHALLANGE IN CIRRHOTIC PATIENTS A NOTE OF CAUTION”. C. Efrati, A. Masini, M. Merli, V. Valeriano, and O.Riggio. Presentato al X International Simposium on Hepatic Encephalopathy and Nitrogen Metabolism, Istambul. Maggio 5-8, 1999.
  12. “THE EFFECT OF LACTITOL ON BLOOD AMMONIA RESPONSE TO ORAL GLUTAMINE (GLN) CHALLANGE IN CIRRHOTIC PATIENTS: EVIDENCE FOR AN EFFECT OF NON ABSORBABLE DISACCHARIDES ON SMALL INTESTINE AMMONIA GENERATION ” A. Masini, C. Efrati, M. Merli, A.F. Attili, P. Amodio, M. Ceccanti and O. Riggio. Lavoro pubblicato su “American Journal of Gastroenterology” November 1999 vol. 94 3323-7.
  13. “LA LEPTINA NEL PAZIENTE CIRROTICO” M. Merli, V.Valeriano, A.Masini, C. Efrati, P. Fiore, G. Nicolini, F.Leonetti, MC. Ribaudo, O. Riggio. Presentato al IX Congresso Nazionale della Societa’ Italiana di Nutrizione Parenterale ed Enterale (SINPE). Firenze, Novembre 25-26, 1999. Comunicazione orale.
  14. “PSYCHOMETRIC PERFORMANCE AFTER GLUTAMINE CHALLENGE IN CIRRHOTIC PATIENTS”. C Efrati, A Masini, M Merli, AF Attili, P Amodio, O Riggio. Journal of Hepatology; suppl. N°1 Vol. 30,  C02/020; 1999. Abstract.
  15. “TRASMISSIONE VERTICALE DELL’HCV” S.Mattia, M.R. Sartorelli, C.Efrati, M.Marcellini. Italian journal of pediatrics. Volume 25 Suppl. al n. 4 Agosto 1999. presentato al Congresso Italiano di pediatria: Bologna, 19-23 Settembre 1999. Poster.
  16. “TRAPIANTO DI FEGATO IN PEDIATRIA. CONSIDERAZIONI SU UN FOLLOW UP DI LUNGA DURATA” M. Marcellini, M.R Sartorelli, S. Mattia, C. Efrati Italian journal of pediatrics. Volume 25 Suppl. al n. 4 Agosto 1999. presentato al Congresso Italiano di pediatria: Bologna, 19-23 Settembre 1999. Poster.
  17. “RIGHT DOSE OF ZINC IN PEDIATRIC WILSON’S DISEASE” M. Marcellini, M.R Sartorelli, S. Mattia, M. Palumbo,C. Efrati. Presentato al congresso nazionale SIGEP (società italiana di Gastrenterologia ed Epatologia pediatrica) parma, 14-16 Ottobre 1999. Poster
  18. “CISTI OVARICHE DI INTERESSE CHIRURGICO” Luciano Izzo, Cesare Efrati, Andrea   Casullo, Gioia Brachini, Massimiliano Boccuzzi, Mario Borghese, Rosa Cantoni. “Il policlinico – Sez. Chirurgica Vol. 103- N 4- Luglio-Agosto 1996”
  19. “ATTUALITA’ NELL’ENCEFALOPATIA PORTOSISTEMICA: L’ENCEFALOPATIA POST-TIPS” O. Riggio, A. Masini, C. Efrati, M. Merli In: Il Giornale di Gastroenterologia 1999. Direttore scientifico R. Caprilli.
  20. “TIPS: REFRACTORY ASCITES AND ENCEPHALOPATHY. O Riggio, M Merli, A Masini, C Efrati, V Valeriano, R Lionetti. In: Medical Radiology-Diagnostic Imaging & Radiation Oncology; Volume: Portal Hypertension. Edited by P Rossi & Co-edited by P Ricci and L Broglia. 1999.
  21. “MEDICAL THERAPY OF PORTAL HYPERTENSION”. L Capocaccia, R Lionetti, O Riggio, A Masini, C Efrati. In: Medical Radiology-Diagnostic Imaging & Radiation Oncology; Volume: Portal Hypertension. Edited by P Rossi & Co-edited by P Ricci and L Broglia.
  22. “GLUCOSE METABOLISM AND INSULINE SENSITIVITY IN CIRRHOTIC PATIENTS AFTER LIVER TRASPLANTATION.” V. Valeriano, M. Merli, R. Lionetti, A. Masini, C.Efrati, M C. Ribaudo, G. Tisone, O. Riggio. Advances in Hepatic Encephalopathy and Metabolism in Liver Disease. 1999
  23. “LACTITOL REDUCES GLUTAMINE DERIVED AMMONIA GENERATION FROM THE SMALL INTESTINE IN CIRRHOTICS.” A. Masini, C. Efrati, M. Merli, O. Riggio. Advances in Hepatic Encephalopathy and Metabolism in Liver Disease. 1999
  24. “THE EFFECT OF SODIUM BENZOATE ON BLOOD AMMONIA RESPONSE TO ORAL GLUTAMINE CHALLENGE IN CIRRHOTIC PATIENTS: A NOTE OF CAUTION”. C Efrati, A Masini, M Merli, R Lionetti, V Valeriano, O Riggio. Lavoro pubblicato su “The American Journal of Gastroenterology”2000; 95(12)3574-8.
  25. “ZINC, AMMONIA, AND HELICOBACTER PILORI PYLORY INFECTION IN LIVER CIRROSIS” A. Zullo, V. Rinaldi, C. Efrati, C. Hassan, S. Caroli, O. Raggio, A. F. Attili. Lavoro pubblicato su: Digestive and liver desease 2000; 32:836-8
  26. “IL SODIO BENZOATO AUMENTA L’AMMONIACA EMATICA NEI PAZIENTI CIRROTICI” C. Efrati, A. Masini, M. Merli, O. Riggio Digestive and Liver Disease 2000; 32 (suppl 2): A73. Comunicazione orale al Congresso della federazione Nazionale delle Società delle Malattie Digestive. Perugia, 18-22 Novembre 2000
  27. “profilassi dell’encefalopatia epatica precoce post-TIPS: confronto tra Rifaximina, Lattitolo e nessun trattamento” A. Masini, C. Efrati, F. Nicolao, AF Attili, M. Merli,O. Riggio Digestive and Liver Disease 2001; 33 (suppl 1): A63. Congresso della federazione Nazionale delle Società delle Malattie Digestive Bari, 1-5 Dicembre 2001.
  28. Poster Partial pressure of ammonia: is it really useful in the evaluation of hepatic encephalopathy? F Nicolao, C Efrati, A Masini, M Merli, AF Attili, O Riggio.Digestive and Liver Disease 2001, 33 (suppl 1) A 103.
  29. Preliminary results of a randomised controlled trial in the prevention of early post-TIPS hepatic encephalopathy: a comparison between Rifaximin, Lactitol and No treatment. A Masini,, C Efrati, F Nicolao M Merli, AF Attili, O Riggio. [Abstract]. Journal of Hepatology 2002; 36 (suppl 1):729 A 37th Annual Meeting of the European Association for Study of the Liver (EASL). Poster
  30. Role of the determination of partial pressure of ammonia in cirrhotic patients with hepatic encephalopathy. F Nicolao, A Masini, C Efrati, M Merli, AF Attili, O Riggio. [Abstract]. Journal of Hepatology 2002; 36 (suppl 1):734 A 37th Annual Meeting of the European Association for Study of the Liver (EASL). Poster.
  31. A comparison between Rifaximin, Lactitol and No treatment in the prevention of early post-TIPS hepatic encephalopathy. Preliminary results. O Riggio, A Masini, F Nicolao, C Efrati, M Merli, AF Attili. [Abstract] 2002 Annual Meeting of Digestive Disease Week – San Francisco – California. Poster.
  32. MODIFICATION OF CARDIAC FUNCTION IN CIRRHOTIC PATIENTS TREATED WITH TRANJUGULAR INTRAEPATIC PORTOSYSTEMIC SHUNT (TIPS) M.Merli, V.Valeriano, S. Funaro, A.F.Attili, A. Masini, C.Efrati, S. De Castro, and O.Riggio Lavoro pubblicato su: American Journal of Gastroenterology Vol 97, No 1, 2002
  33. Effect of blood ammonia elevation after oral glutamine load on the psychometric performance of cirrhotic patients. Masini A, Efrati C, Merli M, Nicolao F, Amodio P, Del Piccolo F, Riggio O. Metabolic Brain Disease 2003 Mar; 18 (1): 27-35
  34. Effect of transjugular intrahepatic portosystemic shunt (TIPS) on gastric mucosal lesions in cirrhotic patients. Angeloni S, Nicolini G, Salvatori F, Valeriano V, Efrati C, Masini A, Fiorello S, Riggio O, Attili AF, Merli M. [Abstract]. Hepatology 2002; 36 (4): 515A.
  35. Increased hepatic venous pressure gradient in patients with cirrhosis and refractory ascites. [Abstract]. Efrati C, Nicolao F, Masini A, Fiorello S, Valeriano V, Nicolini G, Angeloni S, Merli M, Riggio O. Hepatology 2002; 36 (4): 531A.
  36. Effect of transjugular intrahepatic portosystemic shunt (TIPS) on gastric lesions in cirrhotic patients. Angeloni S, Nicolini G, Salvatori F, Valeriano V, Efrati C, Masini A, Fiorello S, Riggio O, Attili AF, Merli M. [Abstract] Hepatology 2002; 36 (4): 515 A.
  37. Intractable hepatic encephalopathy after TIPS with PTFE-covered stent-graft. Riggio O, Nicolao F, Angeloni S, Masini A, Salvatori F, Fanelli F, Efrati C, Merli M. Accettato per la pubblicazione su “Scandinavian Journal of Gastroenterology”. [Letter to Editor]. 2003 May; 38 (5): 570-2
  38. Role of determination of partial pressure of ammonia in cirrhotic patients with and without hepatic encephalopathy. Nicolao F, Efrati C, Masini A, Merli M, Attili AF and Riggio O. Journal of Hepatology 2003; 38 (4): 441-446.
  39. Prevalence and clinical relevance of spontaneous porto-systemic shunts in cirrhotic patients with recurrent hepatic encephalopathy: a case control study. Efrati C, Catalano C, Pediconi F, Mecarelli O, Nicolini G, Tanzilli P, Nicolao F, Angeloni S, Masini A, Merli M, Riggio O. [Abstract]. Accettato al IX Congresso Nazionale delle Malattie Digestive – Firenze 2003. Comunicazione oral
  40. Ear-lobe capillary blood ammonia after oral glutamine challenge in cirrhotic patients without hepatic encephalopathy. Nicolao F, Efrati C, Nicolini G, Masini A, Tanzilli P, Angeloni S, Merli M, Riggio O. [Abstract]. Accettato al IX Congresso Nazionale delle Malattie Digestive – Firenze 2003. Poster.
  41. Prevalence and clinical relevance of spontaneous porto-systemic shunts in cirrhotic patients with recurrent hepatic encephalopathy: a case control study. Efrati C, Catalano C, Pediconi F, Mecarelli O, Nicolini G, , Nicolao F, Tanzilli P, Angeloni S, Merli M, Riggio O. [Abstract]. Journal of Hepatology 2003; 38 (suppl 2): 180. Accettato al 38th Annual Meeting of the European Association for Study of the Liver (EASL) Ginevra 3-6 Luglio 2003. Poster .
  42. IS HYPERAMMONEMIA REALLY TRUE CAUSE OF ALTERED NEUROPSYCHOLOGY, BRAIN mr SPETROSCOPY AND MAGNETIZZATION TRANSFER AFTER AN ORAL AMINO-ACID LOAD IN CIRRHOSIS?. Riggio O, Efrati C , Masini A, Angeloni S, , Merli M. [Hepatology 2003; sep 38 (3):777.
  43. A –ONE GENERATION CLUSTER OF MALIGNANT MESOTHELIOMA WITHIN A FAMILY REVEALS EXPOSURE TO ASBESTOS- CONTAMINATED JUTE BAGS IN NAPLES, ITALY. Ascoli V, Carnovale-Scalzo C, Nardi F, Efrati C, Menegozzo M, European Journal of Epidemiology, 2003; 18 (2): 171-4
  44. STUDY OF EEG AND VISUAL FUNCTION IN CIRRHOSIS AND HEPATIC ENCEPHALOPATHY: N. Accornero,M Capozza, P Pulitano, Efrati C, Riggio O. Mecarelli O,  [Abstract]. Neurological sciences: Ottrobre 2003; 24(suppl). Accettato al 34th Annual Congerss of the Italian Neurological Society. Poster .
  45. RANDOMIZED CONTROLLED TRIAL FOR THE PREVENTION OF HEPATIC ENCEPHALOPATHY AFTER TRANSJUGULAR INTRAHEPATIC PORTO-SYSTEMIC SHUNT (TIPS): COMPARISON BETWEEN LACTITOL, RIFAXIMINE AND NO TREATMENT. A. Masini, C. Efrati, F. Nicolao, M. Merli, AF. Attili, O. Riggio Accettato al IX Congresso Nazionale delle Malattie Digestive – 26-30 Marzo 2004Torino 2004. Poster.
  46. HIGH Prevalence of spontaneous porto-systemic shunts in cirrhotic patients with recurrent hepatic encephalopathy: a case control study. Efrati C, Catalano C, Pediconi F, Mecarelli O, Nicolini G, , Nicolao F, Tanzilli P, Angeloni S, Merli M, Riggio O. [Abstract]. Journal of Hepatology 2003; 38 (suppl 2): 180. Digestive Disease Week, New Orleans Louisiana, 15-20 Maggio 2004 Poster .
  47. RANDOMIZED CONTROLLED TRIAL FOR THE PREVENTION OF HEPATIC ENCEPHALOPATHY AFTER TRANSJUGULAR INTRAHEPATIC PORTO-SYSTEMIC SHUNT (TIPS): COMPARISON BETWEEN LACTITOL, RIFAXIMINE AND NO TREATMENT. A. Masini, C. Efrati, F. Nicolao, M. Merli, AF. Attili, O. Riggio Digestive Disease Week, New Orleans Louisiana, 15-20 Maggio 2004 Oral comunication.
  48. Pharmacological prophylaxis of hepatic encephalopathy after transjugular intrahepatic portosystemic shunt: a randomized controlled study. Riggio O, Masini A, Efrati C, Nicolao F, Angeloni S, Salvatori FM, Bezzi M, Attili AF, Merli M. Journal of Hepatology. 2005 May;42(5):674-9.
  49. High prevalence of spontaneous portal-systemic shunts in persistent hepatic encephalopathy: a case-control study. Riggio O, Efrati C, Catalano C, Pediconi F, Mecarelli O, Accornero N, Nicolao F, Angeloni S, Masini A, Ridola L, Attili AF, Merli M. Hepatology. 2005 Nov;42(5):1158-65.
  50. Prevalence of intestinal metaplasia in the distal esophagus in patients endoscopically suspected for short Barrett’s esophagus. Grassi A, Giannarelli D, Iacopini F, Paoluzi P, Iannetti A, Giovannelli L, Efrati C, Barberani F, Giovannone M, Tosoni M. J Exp Clin Cancer Res. 2006 Sep;25(3):297-302.
  51. HELICOBACTER PYLORI ERADICATION WITH EITHER QUADRUPLE REGIMEN WITH LACTOFERRIN OR LEVOFLOXACIN-BASED TRIPLE THERAPY: A MULTICENTER STUDY Zullo; V. De Francesco; G. Scaccianoce; G. Manes C. Efrati et al. (Digestive and Liver Disease 2007)
  52. Helicobacter pylori eradication: sequential therapy and Lactobacillus Reuteri supplementation Cesare Efrati, G. Nicolini*, C.Cannaviello*, Piazza o Sed N. and S.Valabrega World J Gastroenterol Contents 2012 (in press)