35 results on '"Bravi, I."'
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2. Postprandial cardiac vagal tone and transient lower esophageal sphincter relaxation (TLESR)
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Kuo, P., Bravi, I., Marreddy, U., Aziz, Q., and Sifrim, D.
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- 2013
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3. Characterization of MENX-associated pituitary tumours
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Marinoni, I., Lee, M., Mountford, S., Perren, A., Bravi, I., Jennen, L., Feuchtinger, A., Drouin, J., Roncaroli, F., and Pellegata, N. S.
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- 2013
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4. Dementia in Lewy body disorders: clinico-pathological correlations in a large sample from the Parkinsonʼs UK Tissue Bank: SC316
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Ruffmann, C., Bravi, I., Calboli, F. C.F., Gveric, D., Gallo, V., Molloy, S., Piccini, P., Dexter, D. T., Ritchie, C., Roncaroli, F., Middleton, L. T., and Gentleman, S. M.
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- 2012
5. OC-093 Aerophagia during meals and postprandial gas-containing reflux in patients with GORD not responding to PPI
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Woodland, P, Bravi, I, Gill, R S, Bredenoord, A J, Jafari, J, and Sifrim, D
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- 2012
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6. OC-087 Clinical evaluation of oesophageal mucosal integrity and acid sensitivity in patients with NERD. A study using basal impedance and assessment of mucosal recovery after acid challenge
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Woodland, P, Al-Zinaty, M, Bravi, I, Jafari, J, and Sifrim, D
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- 2012
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7. Role of Symptoms, Trend of Liver Tests, and Endotherapy in Management of Post-Cholecystectomy Biliary Leak
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Cantù, P., Tenca, A., Caparello, C., Grigolon, A., Piodi, L., Bravi, I., Avesani, Contessini E., Conte, D., and Penagini, R.
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- 2011
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8. A pneumatic dilation strategy in achalasia: prospective outcome and effects on oesophageal motor function in the long term
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BRAVI, I., NICITA, M. T., DUCA, P., GRIGOLON, A., CANTÙ, P., CAPARELLO, C., and PENAGINI, R.
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- 2010
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9. Multiple rapid swallowing: a complementary test during standard oesophageal manometry
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FORNARI, F., BRAVI, I., PENAGINI, R., TACK, J., and SIFRIM, D.
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- 2009
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10. Cortical Lewy bodies and Aβ burden are associated with prevalence and timing of dementia in Lewy body diseases.
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Ruffmann, C., Calboli, F. C. F., Bravi, I., Gveric, D., Curry, L. K., Smith, A., Pavlou, S., Buxton, J. L., Blakemore, A. I. F., Takousis, P., Molloy, S., Piccini, P., Dexter, D. T., Roncaroli, F., Gentleman, S. M., and Middleton, L. T.
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LEWY body dementia ,PARKINSON'S disease ,DEMENTIA ,NEUROLOGICAL disorders ,AMYLOID beta-protein ,APOLIPOPROTEIN E - Abstract
Aims Our main objective was to determine the neuropathological correlates of dementia in patients with Lewy body disease (LBD). Furthermore, we used data derived from clinical, neuropathological and genetic studies to investigate boundary issues between Dementia with Lewy bodies (DLB) and Parkinson's disease with (PDD) and without (PDND) dementia. Methods One hundred and twenty-one cases with a neuropathological diagnosis of LBD and clinical information on dementia status were included in the analysis (55 PDD, 17 DLB and 49 PDND). We carried out topographical and semi-quantitative assessment of Lewy bodies (LB), Aβ plaques and tau-positive neuropil threads (NT). The APOE genotype and MAPT haplotype status were also determined. Results The cortical LB (CLB) burden was the only independent predictor of dementia (OR: 4.12, P < 0.001). The total cortical Aβ plaque burden was an independent predictor of a shorter latency to dementia from onset of motor signs ( P = 0.001). DLB cases had a higher LB burden in the parietal and temporal cortex, compared to PDD. Carrying at least one APOE ϵ4 allele was associated with a higher cortical LB burden ( P = 0.02), particularly in the neocortical frontal, parietal and temporal regions. Conclusions High CLB burden is a key neuropathological substrate of dementia in LBD. Elevated cortical LB pathology and Aβ plaque deposition are both correlated with a faster progression to dementia. The higher CLB load in the temporal and parietal regions, which seems to be a distinguishing feature of DLB, may account for the shorter latency to dementia and could be mediated by the APOE ϵ4 allele. [ABSTRACT FROM AUTHOR]
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- 2016
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11. Computer simulator among experts involved in screening colonoscopy.
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Cantù P, Grigolon A, Caparello C, Bravi I, Tenca A, Elvevi A, Nicita MT, Duca P, Conte D, and Penagini R
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- 2010
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12. Objective assessment of aerophagia during meals in normal controls and patients with post-prandial bloating and belching.
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Woodland, P, Gill, R S, Jafari, J, Bravi, I, Shimono, R, Fikree, A, Hayat, J, Yazaki, E, Bredenoord, A J, and Sifrim, D
- Abstract
Introduction Many patients attending GI physiology units for assessment of dysphagia and GORD also complain of postprandial bloating and/or belching. Excessive fasting aerophagia has been recently described in patients with severe continuous bloating and belching. Exaggerated air swallowing might be more relevant for postprandial symptoms but, thus far, objective assessment of prandial aerophagia and normal values are lacking. Oesophageal impedance can detect air swallowing. We aimed to quantify aerophagia during meals in asymptomatic subjects and patients with postprandial bloating and belching. Methods We assessed aerophagia during meals using ambulatory impedance-pH monitoring in 39 healthy, asymptomatic controls (from the US-Belgian MII-pH Normal value study, Shay . 2004; mean age in original study 39, range 22–62) to establish normal 95% confidence intervals. We identified 38 patients (mean age 43, range 17–74) with postprandial bloating and/or belching who attended the GI physiology unit for assessment of dysphagia or GORD as primary symptoms. Mealtime air swallows were visually identified when swallows were associated with antegrade flow and fast impedance increase (at least 3000 Ω from baseline) in the most distal recording segment. A score of air swallows/10 min mealtime was calculated for each subject. In patients with mealtime exaggerated air swallowing (above 95th percentile of normal values) we examined for evidence of concomitant fasting aerophagia. Results The 95% percentile range of mealtime aerophagia in normal subjects was 6.8 to 9.4 episodes/10 min, mean 8.1. Patients had significantly higher mealtime air swallowing rates than controls (mean 11.8 episodes/10 min, SEM 1.0, p = ). There was no significant difference between predominant bloating and belching subgroups. Only 4 of 23 patients with exaggerated mealtime air swallowing had concomitant fasting aerophagia. OC-054 Prandial aerophagia in normal controls and patients with belching and bloating Conclusion We established normal values of mealtime air swallowing using oesophageal impedance. Patients with postprandial bloating and/or belching exhibit increased aerophagia during meals. Most of these patients do not have fasting aerophagia. Exaggerated air swallowing during meals can now be objectively detected and biofeedback techniques can be attempted to modify such behaviour as a potential therapeutic strategy for these patients with functional GI symptoms. [ABSTRACT FROM PUBLISHER]
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- 2011
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13. Persistent dual high pressure zone, oesophageal body hypomotility and abnormal response to multiple rapid swallows are associated with reflux symptoms after fundoplication.
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Shimono, R, Yazaki, E, Jafari, J, Woodland, P, Hayat, J, Fikree, A, Bravi, I, Tsourali, E, and Sifrim, D
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Introduction Persistent reflux symptoms occur in a subgroup of patients following antireflux surgery. These symptoms can be due failure of the antireflux barrier. GI physiology studies are performed to evaluate the OGJ function and anatomy in these patients. Recent studies with high resolution manometry (HRM) have shown the presence of a dual high pressure zone (HPZ) at the OGJ as an expression of persistent hiatus hernia. However, the relation between dual high pressure zone, oesophageal hypomotility and persistent symptoms is unclear. The aim of this study was to evaluate reflux parameters and oesophageal motility patterns with HRM in a group of symptomatic patients after fundoplication. Methods Ten patients (5 male, 5 female; mean age 55 years) were selected based on the presence of persistent typical reflux symptoms post-Nissen fundoplication. The patients underwent HRM and impedance-pH monitoring ‘off’ PPI. The existence of dual HPZ, oesophageal hypomotility and amplitude of the after-contraction post multiple rapid swallowing (MRS) were evaluated together with acid and non-acid reflux parameters. Increased number of reflux events (post Nissen) was considered if >30/24 h. Results Six out of ten patients had a dual HPZ on HRM. Acid exposure time and number of acid reflux events in these patients was significantly higher than those with a single HPZ (12.7% vs 0.5%, p=0.01). The patients with a dual HPZ more commonly exhibited oesophageal hypomotility and poor response to MRS compared to the patients with a single HPZ (4/6 vs 1/4). In addition more of the patients with a dual HPZ showed impaired acid reflux clearance compared to patients with single HPZ (5/5 vs 1/3). Conclusion HRM and impedance-pH measurement allows a precise assessment of patients with symptoms postfundoplication. Our study suggests that the presence of a dual HPZ on oesophageal HRM is associated with impairment of oesophageal motility and impaired oesophageal acid clearance, and hence may be important in the persistence of GORD symptoms postoperatively. [ABSTRACT FROM PUBLISHER]
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- 2011
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14. Gastric neuroendocrine tumors: 20-Year experience in a reference center.
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Ravizza D, Giunta M, Sala I, Bagnardi V, Tamayo D, de Roberto G, Trovato C, Bravi I, Soru P, Maregatti M, Pisa E, Bertani E, Bonomo G, Spada F, and Nicola F
- Abstract
Few studies have been published on the long-term outcomes of patients with gastric neuroendocrine tumors (gNETs). We analyzed their management over a two-decade period, focusing on endoscopic and clinical outcomes. Clinical, laboratory, endoscopic, surgical, and histopathological data from Types 1 and 3 gNETs histologically diagnosed between March 2000 and December 2021 at the European Institute of Oncology (IEO, Milan) were retrospectively collected. Sixty-nine patients were included (60 Type 1, 9 Type 3): 53 (77%) were treated endoscopically, 6 (9%) surgically, and 10 (14%) did not receive any treatment. Overall, 293 lesions were removed endoscopically: 74% by forceps, 20% by endoscopic mucosal resection (EMR), and 5% by endoscopic submucosal dissection (ESD). No differences were observed between EMR and ESD in terms of complete resection rate (p value = .50) and complications rate (p value = .084). The median follow-up period was 5.8 years (range: 0.3-20.5), during which no gNET-related deaths were observed. Metachronous gNETs developed in 60% of patients with Type 1 gNET. Six patients with lymph node metastases (LNM) were younger (p value = .006) and had larger lesions (p value <.001) than patients without LNM. Most Type 1 gNETs were successfully excised using forceps, with EMR and ESD being equally effective. The presence of incomplete resection was not associated with a worse prognosis, which remains excellent in this highly recurrent disease. Younger age and a size ≥10 mm were associated with an increased risk of LNM. CLINICAL TRIAL REGISTRATION: Project code UID 2854., (© 2024 British Society for Neuroendocrinology.)
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- 2024
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15. Oral mannitol for bowel preparation: a dose-finding phase II study.
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Spada C, Fiori G, Uebel P, Tontini GE, Cesaro P, Grazioli LM, Soru P, Bravi I, Hinkel C, Prada A, Di Paolo D, Zimmermann T, Manes G, Valats JC, Jakobs R, Elli L, Carnovali M, Ciprandi G, Radaelli F, and Vecchi M
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- Humans, Colonoscopy methods, Laxatives, Administration, Oral, Cathartics administration & dosage, Cathartics adverse effects, Mannitol administration & dosage, Mannitol adverse effects
- Abstract
Background: Successful bowel preparation (BP) for colonoscopy depends on the instructions, diet, the laxative product, and patient adherence, which all affect colonoscopy quality. Nevertheless, there are no laxatives which combine effectiveness, safety, easy self-administration, good patient acceptance, and low cost. However, mannitol, a sugar alcohol, could be an attractive candidate for use in clinical practice if it is shown to demonstrate adequate efficacy and safety., Aims: The present phase II dose-finding study compared three doses of mannitol (50, 100, and 150 g) to identify the best dose to be used in a subsequent phase III study., Methods: The Boston Bowel Preparation Scale, caecal intubation rate, adherence, acceptability, and safety profile, including measurement of potentially dangerous colonic gas concentrations (CH
4 , H2 , O2 ), were considered in all patients. A weighted algorithm was used to identify the best mannitol dose for use in the subsequent study., Results: The per-protocol population included 60 patients in the 50 g group, 54 in the 100 g group, and 49 in the 150 g group. The 100 g dose was the best as it afforded optimal colon cleansing efficacy (94.4% of patients had adequate BP), adherence, acceptability, and safety, including negligible gas concentrations., Conclusions: The present study demonstrated that the colon cleansing efficacy and safety of mannitol were dose dependent. Conversely, gas concentrations were not dose dependent and negligible in all patients. Combined evaluation of efficacy, tolerability, and safety, using a weighted algorithm, determined that mannitol 100 g was the best dose for the phase III study., (© 2022. The Author(s).)- Published
- 2022
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16. Pharmacokinetics of oral mannitol for bowel preparation for colonoscopy.
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Fiori G, Spada C, Soru P, Tontini GE, Bravi I, Cesana BM, Cesaro P, Manes G, Orsatti A, Prada A, Quadarella A, Schettino M, Spina L, Trovato C, Carnovali M, and Vecchi M
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- Humans, Area Under Curve, Biological Availability, Administration, Oral, Cross-Over Studies, Colonoscopy
- Abstract
This study aimed to define the pharmacokinetics (PKs) of oral mannitol used as an osmotic laxative for bowel preparation for colonoscopy. The PKs of oral mannitol was evaluated in a substudy as part of a phase II dose-finding, international, multicenter, randomized, parallel-group, endoscopist-blinded study. Patients were randomly assigned to take 50, 100, or 150 g mannitol. Venous blood samples were drawn at baseline (T
0 ), 1 h (T1 ), 2 h (T2 ), 4 h (T4 ), and 8 h (T8 ) after completion of mannitol self-administration. The mean mannitol plasma concentrations (mg/ml) were dose-dependent with a consistent difference among doses. The mean maximum concentration (Cmax ) ± SD was 0.63 ± 0.15, 1.02 ± 0.28, and 1.36 ± 0.39 mg/ml, in the three dosage groups, respectively. The mean area under the curve from zero to infinity (AUC0-∞ ) was 2.667 ± 0.668, 4.992 ± 1.706, and 7.403 ± 3.472 mg/ml*h in the 50, 100, and 150 g mannitol dose groups, respectively. Bioavailability was similar in the three dose groups and was just over 20% (0.243 ± 0.073, 0.209 ± 0.081, and 0.228 ± 0.093 in the 50, 100, and 150 g mannitol dose groups, respectively). The present study showed that the bioavailability of oral mannitol is just over 20% and is similar for the three tested doses (50, 100, and 150 g). The linear increase in Cmax , AUC0-t8 , and AUC0-∞ must be considered when choosing the oral mannitol dose for bowel preparation to avoid its systemic osmotic effects., (© 2022 NTC SRL and The Authors. Clinical and Translational Science published by Wiley Periodicals LLC on behalf of American Society for Clinical Pharmacology and Therapeutics.)- Published
- 2022
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17. Minimally Invasive Approach to Gastric GISTs: Analysis of a Multicenter Robotic and Laparoscopic Experience with Literature Review.
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Ceccarelli G, Costa G, De Rosa M, Codacci Pisanelli M, Frezza B, De Prizio M, Bravi I, Scacchi A, Gallo G, Amato B, Bugiantella W, Tacchi P, Bartoli A, Patriti A, Cappuccio M, Komici K, Mariani L, Avella P, and Rocca A
- Abstract
Background : Gastrointestinal stromal tumors (GISTs) are most frequently located in the stomach. In the setting of a multidisciplinary approach, surgery represents the best therapeutic option, consisting mainly in a wedge gastric resection. (1) Materials and methods: Between January 2010 to September 2020, 105 patients with a primary gastrointestinal stromal tumor (GISTs) located in the stomach, underwent surgery at three surgical units. (2) Results: A multi-institutional analysis of minimally invasive series including 81 cases (36 laparoscopic and 45 robotic) from 3 referral centers was performed. Males were 35 (43.2%), the average age was 66.64 years old. ASA score ≥3 was 6 (13.3%) in the RS and 4 (11.1%) in the LS and the average tumor size was 4.4 cm. Most of the procedures were wedge resections ( N = 76; 93.8%) and the main operative time was 151 min in the RS and 97 min in the LS. Conversion was necessary in five cases (6.2%). (3) Conclusions: Minimal invasive approaches for gastric GISTs performed in selected patients and experienced centers are safe. A robotic approach represents a useful option, especially for GISTs that are more than 5 cm, even located in unfavorable places.
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- 2021
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18. Periendoscopic management of direct oral anticoagulants: a prospective cohort study.
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Radaelli F, Fuccio L, Paggi S, Hassan C, Repici A, Rondonotti E, Semeraro R, Di Leo M, Anderloni A, Amato A, Trovato C, Bravi I, Buda A, de Bellis M, D'Angelo V, Segato S, Tarantino O, Musso A, Fasoli R, Frazzoni L, Liverani E, Fabbri C, Di Giulio E, Esposito G, Pigò F, Iannone A, and Dentali F
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- Administration, Oral, Aged, Anticoagulants administration & dosage, Cohort Studies, Elective Surgical Procedures, Endoscopy, Gastrointestinal methods, Female, Follow-Up Studies, Gastrointestinal Hemorrhage physiopathology, Humans, Italy, Male, Middle Aged, Perioperative Care methods, Prospective Studies, Risk Assessment, Stroke prevention & control, Thromboembolism prevention & control, Time Factors, Treatment Outcome, Withholding Treatment, Anticoagulants adverse effects, Endoscopy, Gastrointestinal adverse effects, Gastrointestinal Hemorrhage etiology, Patient Safety
- Abstract
Objective: To assess the frequency of adverse events associated with periendoscopic management of direct oral anticoagulants (DOACs) in patients undergoing elective GI endoscopy and the efficacy and safety of the British Society of Gastroenterology (BSG) and European Society of Gastrointestinal Endoscopy (ESGE) recommendations (NCT02734316)., Design: Consecutive patients on DOACs scheduled for elective GI endoscopy were prospectively included. The timing of DOAC interruption and resumption before and after the procedures were recorded, along with clinical and procedural data. Procedures were stratified into low-risk and high-risk for GI-related bleeding, and patients into low-risk and high-risk for thromboembolic events. Patients were followed-up for 30 days for major and clinically relevant non-major bleeding events (CRNMB), arterial and venous thromboembolism and death., Results: Of 529 patients, 38% and 62% underwent high-risk and low-risk procedures, respectively. There were 45 (8.5%; 95% CI 6.3% to 11.2%) major or CRNMB events and 2 (0.4%; 95% CI 0% to 1.4%) thromboembolic events (transient ischaemic attacks). Overall, the incidence of bleeding events was 1.8% (95% CI 0.7% to 4%) and 19.3% (95% CI 14.1% to 25.4%) in low-risk and high-risk procedures, respectively. For high-risk procedures, the incidence of intraprocedural bleeding was similar in patients who interrupted anticoagulation according to BSG/ESGE guidelines or earlier (10.3%vs10.8%, p=0.99), with a trend for a lower risk as compared with those who stopped anticoagulation later (10.3%vs25%, p=0.07). The incidence of delayed bleeding appeared similar in patients who resumed anticoagulation according to BSG/ESGE guidelines or later (6.6%vs7.7%, p=0.76), but it tended to increase when DOAC was resumed earlier (14.4%vs6.6%, p=0.27). The risk of delayed major bleeding was significantly higher in patients receiving heparin bridging than in non-bridged ones (26.6%vs5.9%, p=0.017)., Conclusion: High-risk procedures in patients on DOACs are associated with a substantial risk of bleeding, further increased by heparin bridging. Adoption of the BSG/ESGE guidelines in periendoscopic management of DOACs seems to result in a favourable benefit/risk ratio., Trial Registration Number: NCT02734316; Pre-results., Competing Interests: Competing interests: FR received grants outside the submitted work from BMS/Pfizer and Boehringer Ingelheim. FD received grants outside the submitted work from BMS/Pfizer, Boehringer Ingelheim, Daiichi Sankyo, Roche and Sanofi., (© Author(s) (or their employer(s)) 2019. No commercial re-use. See rights and permissions. Published by BMJ.)
- Published
- 2019
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19. pH Impedance vs. traditional pH monitoring in clinical practice: an outcome study.
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Pugliese D, Mauro A, Consonni D, Bravi I, Tenca A, Elvevi A, Conte D, and Penagini R
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- Adult, Aged, Aged, 80 and over, Electric Impedance, Esophagoscopy, Gastroesophageal Reflux therapy, Humans, Hydrogen-Ion Concentration, Middle Aged, Monitoring, Ambulatory methods, Patient Satisfaction, Prospective Studies, Treatment Outcome, Young Adult, Esophageal pH Monitoring methods, Gastroesophageal Reflux diagnosis
- Abstract
Background: The addition of impedance to 24-h pH monitoring has allowed detection of weakly acidic reflux, but the extent to which pH-impedance (pH-MII) monitoring improves outcomes is unknown., Methods: This was a prospective observational study. Patients referred for pH or pH-MII monitoring completed a standardized questionnaire on improvement in the dominant symptom, their satisfaction, and treatment at 3 and 12 months after the test during a telephone interview., Results: A total of 184 patients (mean age, 52 years, range, 19-82 years; 35 % with typical symptoms; and 89 % tested off therapy) completed pH (n = 92) or pH-MII monitoring (n = 92) over a period of 15 months. The two arms were similar in terms of demographic, clinical, and endoscopic variables. Ten patients in the pH-MII arm showed evidence of weakly acidic reflux disease. There was no difference in the percentage of patients in the pH and pH-MII monitoring arms who experienced improvement in their dominant symptom after 3 (58 vs. 63 %; p = 0.621) or 12 months (66 vs. 70 %; p = 0.234), and the same was true for patient satisfaction. There were also no between-group difference in the use of proton pump inhibitors (PPIs) after 3 (63 vs. 68.5 %; p = 0.437) or 12 months (47 vs. 60.5 %; p = 0.051). PPIs were prescribed more frequently after a positive test (p < 0.001) although they were used by 45.6 % of the negative patients. Only one patient underwent fundoplication., Conclusions: Two-thirds of patients undergoing pH-MII monitoring experience a positive outcome, similarly to what occurs after traditional pH monitoring. Physicians often pay little attention to the test results, especially if they are negative.
- Published
- 2016
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20. Endoscopic electrocautery dilation of benign anastomotic colonic strictures: a single-center experience.
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Bravi I, Ravizza D, Fiori G, Tamayo D, Trovato C, De Roberto G, Genco C, and Crosta C
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- Adult, Aged, Aged, 80 and over, Constriction, Pathologic etiology, Constriction, Pathologic therapy, Female, Humans, Intestinal Obstruction etiology, Male, Middle Aged, Retrospective Studies, Young Adult, Anastomosis, Surgical adverse effects, Colon surgery, Colonoscopy, Dilatation, Electrocoagulation
- Abstract
Background: Benign anastomotic colonic stenosis sometimes occur after surgery and usually require surgical or endoscopic dilation. Endoscopic dilation of anastomotic colonic strictures by using balloon or bougie-type dilators has been demonstrated to be safe and effective in multiple uncontrolled series. However, few data are available on safety and efficacy of endoscopic electrocautery dilation. The aim of our study was to retrospectively investigate safety and efficacy of endoscopic electrocautery dilation of postsurgical benign anastomotic colonic strictures., Methods: Sixty patients (37 women; median age 63.6 years, range 22.6-81.7) with benign anastomotic colonic or rectal strictures treated with endoscopic electrocautery dilation between June 2001 and February 2013 were included in the study. Anastomotic stricture was defined as a narrowed anastomosis through which a standard colonoscope could not be passed. Only annular anastomotic strictures were considered suitable for electrocautery dilation which consisted of radial incisions performed with a precut sphincterotome. Treatment was considered successful if the colonic anastomosis could be passed by a standard colonoscope immediately after dilation. Recurrence was defined as anastomotic stricture reappearance during follow-up., Results: The time interval between colorectal surgery and the first endoscopic evaluation or symptoms development was 7.3 months (1.3-60.7). Electrocautery dilation was successful in all the patients. There were no procedure-related complications. Median follow-up was 35.5 months (2.0-144.0). Anastomotic stricture recurrence was observed in three patients who were successfully treated with electrocautery dilation and Savary dilation., Conclusions: Endoscopic electrocautery dilation is a safe and effective treatment for annular benign anastomotic postsurgical colonic strictures.
- Published
- 2016
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21. Usefulness of low- and high-volume multiple rapid swallowing during high-resolution manometry.
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Elvevi A, Mauro A, Pugliese D, Bravi I, Tenca A, Consonni D, Conte D, and Penagini R
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- Adult, Aged, Case-Control Studies, Dilatation, Esophageal Achalasia physiopathology, Esophageal Achalasia surgery, Esophageal Diseases diagnosis, Esophageal Diseases physiopathology, Esophageal Motility Disorders physiopathology, Female, Humans, Male, Manometry methods, Middle Aged, Prospective Studies, Young Adult, Deglutition physiology, Esophageal Achalasia diagnosis, Esophageal Motility Disorders diagnosis, Esophagus physiopathology
- Abstract
Background: It has been suggested that multiple rapid swallowing should be added to oesophageal manometry., Aim: To prospectively evaluate whether 10 and 200 mL multiple rapid swallowing provide different information concerning motor function., Methods: 30 consecutive patients with oesophageal symptoms, 13 achalasia patients after successful pneumatic dilation and 19 healthy subjects performed eight 5 mL single swallows, two 10 mL and one 200 mL multiple rapid swallowing., Results: Almost all of the healthy subjects and two-thirds of the patients with oesophageal symptoms showed motor inhibition during both 10 and 200 mL multiple rapid swallowing. The oesophago-gastric pressure gradient was significantly higher during 200 mL multiple rapid swallowing within each group (p < 0.01), and significantly higher in the achalasia patients than in the other two groups (p < 0.0001). Presence of a contraction and increased contraction strength in comparison with single swallows were both more frequent after 10 mL than after 200 mL multiple rapid swallowing in the healthy subjects and the patients (p<0.05)., Conclusion: Motor inhibition could be similarly evaluated by means of 10 and 200 mL multiple rapid swallowing; 10 mL evaluated the after-contraction, whereas 200 mL multiple rapid swallowing was more valuable in identifying increased resistance to outflow., (Copyright © 2014 Editrice Gastroenterologica Italiana S.r.l. All rights reserved.)
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- 2015
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22. Impedance pH Monitoring: Intra-observer and Inter-observer Agreement and Usefulness of a Rapid Analysis of Symptom Reflux Association.
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Tenca A, Campagnola P, Bravi I, Benini L, Sifrim D, and Penagini R
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Background/aims: Symptom reflux association analysis is especially helpful for evaluation and management of proton pump inhibitor (PPI) re-fractory patients. An accurate calculation requires manual editing of 24-hour multichannel intraluminal impedance-pH (MII-pH) tracings after automatic analysis. Intra- and inter-observer agreement as well as reliability of rapid editing confined to the time around symptomatic episodes are unknown. Aim of this study was to explore these topics in a prospective multicenter study., Methods: Forty consecutive patients who were off PPI therapy underwent MII-pH recordings. After automatic analysis, their tracings were anonymized and randomized. Three experienced observers, each one trained in a different European center, independently per-formed manual editing of 24-hour tracings on 2 separate occasions. Values of symptom index and symptom association proba-bility for acid and non acid reflux were transformed into binary response (i.e., positive or negative)., Results: Intra-observer agreement on symptom reflux association was 92.5% to 100.0% for acid and 85.0% to 97.5% for non-acid reflux. Inter-observer agreement was 100.0% for acid and 82.5% to 95.0% for non-acid reflux. Values for symptom index and symptom association probability were similar. Concordance between 24-hour and rapid (2 minutes-window before each symp-tomatic episode) editings for symptom reflux association occured in 39 to 40 patients (acid) and in 37 to 40 (non-acid), de-pending on the observer., Conclusions: Intra- and inter-observer agreement in classifying patients with or without symptom reflux association at manual editing of 24-hour tracings was high, especially for acid reflux. Classifying patients according to a rapid editing showed excellent con-cordance with the 24-hour one and can be adopted in clinical practice.
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- 2014
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23. Effect of Cold Water on Esophageal Motility in Patients With Achalasia and Non-obstructive Dysphagia: A High-resolution Manometry Study.
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Elvevi A, Bravi I, Mauro A, Pugliese D, Tenca A, Cortinovis I, Milani S, Conte D, and Penagini R
- Abstract
Background/aims: Swallowing of cold liquids decreases amplitude and velocity of peristalsis in healthy subjects, using standard manometry. Patients with achalasia and non obstructive dysphagia may have degeneration of sensory neural pathways, affecting motor response to cooling. To elucidate this point, we used high-resolution manometry., Methods: Fifteen healthy subjects, 15 non-obstructive dysphagia and 15 achalasia patients, after pneumatic dilation, were studied. The 3 groups underwent eight 5 mL single swallows, two 20 mL multiple rapid swallows and 50 mL intraesophageal water infusion (1 mL/sec), using both water at room temperature and cold water, in a randomized order., Results: In healthy subjects, cold water reduced distal contractile integral in comparison with water at room temperature during single swallows, multiple rapid swallows and intraesophageal infusion (ratio cold/room temperature being 0.67 [95% CI, 0.48-0.85], 0.56 [95% CI, 0.19-0.92] and 0.24 [95% CI, 0.12-0.37], respectively). A similar effect was seen in non-obstructive dysphagia patients (0.68 [95% CI, 0.51-0.84], 0.69 [95% CI, 0.40-0.97] and 0.48 [95% CI, 0.20-0.76], respectively), whereas no changes occurred in achalasia patients (1.06 [95% CI, 0.83-1.29], 1.05 [95% CI, 0.77-1.33] and 1.41 [95% CI, 0.84-2.00], respectively)., Conclusions: Our data suggest impairment of esophageal reflexes induced by cold water in patients with achalasia, but not in those with non obstructive dysphagia.
- Published
- 2014
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24. Functional testing: pharyngeal pH monitoring and high-resolution manometry.
- Author
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Savarino E, Zentilin P, Savarino V, Tenca A, Penagini R, Clarke JO, Bravi I, Zerbib F, and Yüksel ES
- Subjects
- Chest Pain etiology, Chest Pain physiopathology, Electric Impedance, Esophageal pH Monitoring, Gastroesophageal Reflux complications, Gastroesophageal Reflux physiopathology, Humans, Hydrogen-Ion Concentration, Manometry, Chest Pain diagnosis, Esophagus physiopathology, Gastroesophageal Reflux diagnosis, Pharynx physiopathology
- Abstract
The following paper on functional testing of the pharynx includes commentaries on the use of 24-h pH-impedance testing to identify patients with nonacid reflux and the caveats associated with automatic and visual analysis; the potential diagnostic yield of ambulatory high-resolution manomentry (HRM), particularly in identifying non-cardiac chest pain and transient lower esophageal sphincter relaxations; the differential manometric identification of conditions facilitated by using solid swallows, and the advantages of the newly developed ResTech oropharyngeal pH probe in the detection of proximal reflux events., (© 2013 New York Academy of Sciences.)
- Published
- 2013
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25. Increased prandial air swallowing and postprandial gas-liquid reflux among patients refractory to proton pump inhibitor therapy.
- Author
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Bravi I, Woodland P, Gill RS, Al-Zinaty M, Bredenoord AJ, and Sifrim D
- Subjects
- Adolescent, Adult, Aged, Animals, Child, Esophageal pH Monitoring, Female, Humans, Male, Middle Aged, Prospective Studies, Young Adult, Aerophagy, Gastroesophageal Reflux diagnosis, Gastroesophageal Reflux drug therapy, Postprandial Period, Proton Pump Inhibitors therapeutic use
- Abstract
Background & Aims: Many patients with gastroesophageal reflux disease (GERD) have persistent reflux despite treatment with proton pump inhibitors (PPIs). Mixed gas-liquid reflux events are more likely to be perceived as symptomatic. We used esophageal impedance monitoring to investigate whether esophageal gas is processed differently among patients with GERD who do and do not respond to PPI therapy., Methods: We performed a prospective study of 44 patients with typical reflux symptoms with high levels of esophageal acid exposure during a 24-hour period; 18 patients were fully responsive, and 26 did not respond to PPI therapy. Twenty-four-hour pH impedance recordings were analyzed for fasting and prandial air swallows and reflux characteristics, including the presence of gas in the refluxate., Results: PPI-refractory patients had a higher number (83.1 ± 12.7 vs 47.8 ± 7.3, P < .05) and rate (10.5 ± 1.4 vs 5.9 ± 0.8/10 minutes, P < .05) of prandial air swallows than patients who responded to PPI therapy; they also had a higher number (25.5 ± 4.0 vs 16.8 ± 3.3, P < .05) and proportion (70% ± 0.03% vs 54% ± 0.06%, P < .05) of postprandial, mixed gas-liquid reflux. Symptoms of PPI-refractory patients were more often preceded by mixed gas-liquid reflux events than those of PPI responders. Fasting air swallowing and other reflux characteristics did not differ between patients who did and did not respond to PPIs., Conclusions: Some patients with GERD who do not respond to PPI therapy swallow more air at mealtime than those who respond to PPIs and also have more reflux episodes that contain gas. These factors, combined with mucosal sensitization by previous exposure to acid, could affect perception of symptoms. These patients, who can be identified on standard 24-hour pH impedance monitoring, might be given behavioral therapy to reduce mealtime air swallowing., (Copyright © 2013 AGA Institute. Published by Elsevier Inc. All rights reserved.)
- Published
- 2013
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26. Spinal extradural solitary fibrous tumor with retiform and papillary features.
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Tomek M, Bravi I, Mendoza N, Alsafi A, Mehta A, Molinaro L, Singh P, Radotra B, Dei Tos AP, and Roncaroli F
- Subjects
- 12E7 Antigen, Aged, Angiography, Antigens, CD metabolism, Antigens, CD34 metabolism, Biomarkers, Tumor metabolism, Cell Adhesion Molecules metabolism, Humans, Magnetic Resonance Imaging, Male, Neoplasm Invasiveness, Neoplasm Recurrence, Local, Proto-Oncogene Proteins c-bcl-2 metabolism, Solitary Fibrous Tumors complications, Solitary Fibrous Tumors surgery, Spinal Cord Compression etiology, Spinal Cord Compression pathology, Spinal Cord Compression surgery, Spinal Neoplasms complications, Spinal Neoplasms surgery, Treatment Outcome, Solitary Fibrous Tumors pathology, Spinal Neoplasms pathology
- Abstract
We report a 66-year-old man with a spinal, extradural solitary fibrous tumor showing unique retiform and papillary architecture. The patient presented in May 2008 with worsening right-sided lower back pain and urinary frequency. Magnetic resonance imaging of the spine documented a heterogeneously enhancing dumbbell-shaped extradural lesion causing cord compression at T11/12 level. The tumor extended to the paravertebral soft tissue and invaded the right adjacent vertebral pedicles and laminae. An angiogram showed prominent vascular supply mainly from the right T11 radicular artery. The patient underwent surgery to relieve cord compression in May 2008 and a second operation following embolization with coils in October 2009. No recurrence was observed at the last neuroimaging follow-up in June 2012. The tumor was composed of vimentin, CD34, Bcl-2, and CD99-positive rounded or slightly elongated cells with scant cytoplasm and oval to spindle nuclei. Several pseudovascular spaces reminiscent of the rete testis were present, and several of them contained papillary projections. Cytologic atypia was minimal, and mitotic activity was low. Focal infiltration of the paraspinal adipose tissue was seen at microscopic level. To our knowledge, retiform and papillary features have never been reported in a solitary fibrous tumor., (Copyright © 2013 Elsevier Inc. All rights reserved.)
- Published
- 2013
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27. Efficacy of tigecycline pleurodesis: a comparative experimental study.
- Author
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Daddi N, Vannucci J, Maggio C, Giontella A, Bravi I, Marziani F, Capozzi R, Ragusa M, Bufalari A, and Puma F
- Subjects
- Animals, Anti-Bacterial Agents adverse effects, Dose-Response Relationship, Drug, Hemothorax epidemiology, Incidence, Male, Minocycline adverse effects, Minocycline therapeutic use, Models, Animal, Pleural Effusion pathology, Rabbits, Tigecycline, Treatment Outcome, Anti-Bacterial Agents therapeutic use, Minocycline analogs & derivatives, Pleural Effusion drug therapy, Pleurodesis methods
- Abstract
Background: We investigated whether tigecycline (TIGE) is more effective than talc in inducing pleurodesis in rabbits., Methods: Fifty-six New Zealand rabbits were utilized in a two-phase study: Effects at 14 d (phase I) and at 28 d (phase II) were assessed. Saline solution (SAL n = 3), talc slurry (TALC 200 mg/kg, n = 5), and TIGE at different concentrations (mg/kg): TIGE0.5 (n = 5); TIGE1 (n = 5); TIGE3 (n = 5); TIGE25 (n = 5); TIGE50 (n = 5) were randomly injected, for each phase, through a right chest drainage. TIGE0.5 and TIGE1 were ineffective during phase I and were thus excluded from further investigation. At post mortem examination, pleurodesis was graded grossly and microscopically by three observers blinded to treatment groups., Results: Phase I: pleurodesis was more effective in TIGE25 and TIGE50 (P < 0.001); TALC was better than TIGE0.5 (P < 0.001), and TIGE1 (P = 0.49), macroscopically. Pleural thickness was significantly higher in TIGE25 compared with SAL, TALC, TIGE0.5, TIGE1, and TIGE3 (P < 0.01). No significant differences were evident between TALC and TIGE3, both macroscopically (P = 0.90) and microscopically (inflammation P = 0.99, fibrosis P = 0.96, pleural thickness P = 0.99). Phase II: better effectiveness of TIGE50 compared with all other groups (P < 0.001) except TIGE 25 (P = 0.29); results similar to phase I for TALC and TIGE3 (P = 0.99), macroscopically. Microscopically greater inflammation in TALC compared with TIGE3 (P < 0.05) and in TIGE50 to TIGE3 (P = 0.05). Significant complications occurred in all TIGE50 group. One of TIGE25 and one of TIGE50 died of respiratory distress and of right hemothorax+ascites, respectively., Conclusions: Intrapleural TIGE3 mg/kg is as effective as talc in inducing pleurodesis in rabbits. The intrapleural TIGE toxicity threshold was reached at TIGE25 mg/kg concentration., (Copyright © 2011 Elsevier Inc. All rights reserved.)
- Published
- 2011
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28. Extended replacement of a calcified ascending aorta in adulthood sporadic, diffuse type, supravalvular aortic stenosis.
- Author
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Borghetti V, D'Addario G, Bravi I, and Pardinia A
- Subjects
- Angiography, Aortic Diseases complications, Aortic Diseases diagnosis, Aortic Stenosis, Supravalvular diagnosis, Aortic Stenosis, Supravalvular surgery, Calcinosis complications, Calcinosis diagnosis, Diagnosis, Differential, Female, Follow-Up Studies, Humans, Imaging, Three-Dimensional, Middle Aged, Tomography, X-Ray Computed, Aorta, Thoracic, Aortic Diseases surgery, Aortic Stenosis, Supravalvular congenital, Blood Vessel Prosthesis, Calcinosis surgery
- Abstract
The diffuse variant of supravalvular aortic stenosis (SVAS) is one of the most rare congenital vascular pathological conditions of adulthood. Due to its rarity, surgical treatment of this clinical entity is still a matter of debate because of the variable degree of aortic narrowing, presence of multilevel obstruction, and age at presentation, all factors that strongly influence the disease prognosis. We report a case of an adult patient with an extremely calcified diffuse SVAS who underwent successful replacement of the ascending aorta through the interposition of a tubular prosthesis. Six months' follow-up showed complete relief of the aortic gradient and an improvement in clinical performance.
- Published
- 2011
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29. Diagnostic yield of 96-h wireless pH monitoring and usefulness in patients' management.
- Author
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Grigolon A, Consonni D, Bravi I, Tenca A, and Penagini R
- Subjects
- Adult, Aged, Aged, 80 and over, Female, Humans, Interviews as Topic, Male, Middle Aged, Patient Satisfaction, Proton Pump Inhibitors therapeutic use, Retrospective Studies, Treatment Outcome, Young Adult, Esophageal pH Monitoring, Gastroesophageal Reflux diagnosis, Gastroesophageal Reflux drug therapy
- Abstract
Objective: To get insight into usefulness of 96-h wireless monitoring in diagnosis of gastro-esophageal reflux disease (GERD) and in patients' management., Material and Methods: 51 patients who underwent 96-h wireless and 51 matched patients who underwent 24-h traditional pH monitoring were enrolled and retrospectively contacted with a structured telephone interview., Results: In the wireless group, the 96-h recording improved (p < 0.05) the diagnostic yield compared with the first 48-h recording by allowing Symptom Association Probability to be measured in eight more patients and by decreasing indeterminate tests from 11 to 5. After pH monitoring, concordance between results of the test and treatment for GERD was higher in the wireless compared with the traditional group, 78% versus 58% of the patients (p < 0.05). Both improvement/disappearance of the clinically relevant symptom and satisfaction (score of 1-10) at time of the telephone interview were however similar in the two groups, 73% versus 65% and 7.0 versus 6.5., Conclusions: Wireless pH monitoring prolonged to 96 h increased the likelihood to exclude/confirm GERD as the cause of the clinically relevant symptoms in those patients with an indeterminate result for GERD after the first 48 h. Outcome was however similar to the one of traditional pH monitoring.
- Published
- 2011
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30. The role of delayed gastric emptying and impaired oesophageal body motility.
- Author
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Penagini R and Bravi I
- Subjects
- Esophagitis complications, Esophagitis physiopathology, Esophagus drug effects, Gastroesophageal Reflux drug therapy, Gastroesophageal Reflux etiology, Gastrointestinal Agents therapeutic use, Humans, Pressure, Risk Factors, Time Factors, Esophagus physiopathology, Gastric Emptying drug effects, Gastroesophageal Reflux physiopathology, Peristalsis drug effects
- Abstract
Delayed gastric emptying in a variable proportion of patients with gastro-oesophageal reflux disease has been observed in most series, however a relationship between delayed gastric emptying and increased gastro-oesophageal reflux has not been convincingly demonstrated. Enhanced postprandial accommodation and delayed emptying of the proximal stomach have been described, but some controversy exists. Impaired primary peristalsis is often present especially in patients with oesophagitis and its prevalence increases with increasing severity of inflammatory mucosal lesions. Patients with gastro-oesophageal reflux disease often have defective triggering of secondary peristalsis independently of presence of oesophagitis. It is presently unclear if impaired oesophageal motility is a primary defect or an irreversible consequence of inflammation. Attempts at pharmacological improvement of impaired oesophageal motility have been so far disappointing. Patients with partially preserved neuromuscular structures need to be identified in order to select them for new prokinetic therapy., (Copyright © 2010 Elsevier Ltd. All rights reserved.)
- Published
- 2010
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31. Prolonged wireless pH monitoring: importance of how to analyse oesophageal acid exposure.
- Author
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Grigolon A, Bravi I, Duca P, Pugliese D, and Penagini R
- Subjects
- Adult, Aged, Female, Humans, Male, Middle Aged, Esophageal pH Monitoring instrumentation, Gastroesophageal Reflux diagnosis, Hydrogen-Ion Concentration
- Published
- 2010
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- View/download PDF
32. Subcardial 24-h wireless pH monitoring in gastroesophageal reflux disease patients with and without hiatal hernia compared with healthy subjects.
- Author
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Grigolon A, Cantú P, Bravi I, Caparello C, and Penagini R
- Subjects
- Adult, Aged, Case-Control Studies, Electric Impedance, Female, Follow-Up Studies, Gastric Acidity Determination, Gastroesophageal Reflux complications, Hernia, Hiatal complications, Humans, Hydrogen-Ion Concentration, Male, Middle Aged, Postprandial Period, Reference Values, Severity of Illness Index, Statistics, Nonparametric, Supine Position, Time Factors, Capsule Endoscopy, Esophageal pH Monitoring instrumentation, Gastroesophageal Reflux diagnosis, Hernia, Hiatal diagnosis
- Abstract
Objectives: After meals, highly acidic gastric juice is present in the subcardial region, the so-called acid pocket. Patients with gastroesophageal reflux disease (GERD) have a higher frequency of acidic reflux. Our aim was to investigate the possible differences in subcardial pH in GERD over 24 h and the role of hiatal hernia (HH), using a wireless capsule., Methods: A total of 14 healthy volunteers (4 men, 24-60 years), 10 GERD patients without HH (4 men, 25-68 years), and 11 GERD patients with HH >or=3 cm (2 men, 46-74 years) underwent 24-h wireless pH monitoring 2 cm below the squamocolumnar junction. All patients had increased 24-h acid reflux. A standardized lunch was given to all study subjects., Results: No capsule detached during the 24-h recording. Median 24-h pH was similar in healthy subjects, and in patients without and with HH, median: 1.4 (interquartile range: 1.2 -1.9), 1.5 (1.3 -1.7), and 1.4 (1.3 -1.7), respectively. Similar results were seen in the supine period. Median pH after the standardized meal was often highly acidic, 2.7 (1.5 - 3.2), 1.9 (1.6 - 2.3), and 2.5 (1.6 - 3.2), respectively. The first minute with a median pH <2 occurred 14 min (4 - 49), 14 min (6 - 25), and 20 min (4 - 43), respectively, P=NS, after the end of the meal. Similar data were observed on pooling all meals together., Conclusions: Subcardial pH is confirmed to be highly acidic early after meals, but it is similar over 24 h in healthy subjects and GERD patients independent of the presence of HH.
- Published
- 2009
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33. Central nervous system tissue heterotopia of the nose: case report and review of the literature.
- Author
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Altissimi G, Ascani S, Falcetti S, Cazzato C, and Bravi I
- Subjects
- Aged, 80 and over, Humans, Male, Nasal Polyps pathology, Nasal Polyps surgery, Brain, Choristoma pathology, Nose Diseases pathology
- Abstract
The authors present a case of heterotopic central nervous system tissue observed in an 81-year-old male in the form of an ethmoidal polyp. A review of the literature indicates that this is a rare condition characterised by a connective tissue lesion with astrocytic and oligodendrocytic glial cells, which may be located outside the nasal pyramid in some cases and inside the nasal cavity in others. The most important diagnostic aspect involves differentiating these from meningoencephalocele, which maintains an anatomical connection with central nervous system tissue. Contrast-enhanced imaging is essential for diagnosis, as in cases of heterotopic central nervous system tissue, it will demonstrate that there are no connections with intra-cranial tissue. Endoscopic excision is the treatment of choice.
- Published
- 2009
34. Thymoma arising in the wall of a thymic cyst.
- Author
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Ascani S, Carloni A, Agostinelli C, Martini E, Bravi I, and Pileri SA
- Subjects
- Biopsy, Fine-Needle, Contraindications, Dyspnea etiology, Humans, Male, Mediastinal Cyst complications, Mediastinal Cyst surgery, Middle Aged, Thoracic Surgery, Video-Assisted, Thymoma complications, Thymoma diagnosis, Thymoma pathology, Thymoma surgery, Thymus Neoplasms complications, Thymus Neoplasms diagnosis, Thymus Neoplasms pathology, Thymus Neoplasms surgery, Mediastinal Cyst pathology, Thymoma diagnostic imaging, Thymus Neoplasms diagnostic imaging, Tomography, X-Ray Computed
- Abstract
A 54-year-old male, non smoker, began to suffer from persistent dyspnoea and fever. X-ray and CT scan showed a cystic lesion located in the left anterior mediastinum. This lesion was removed instead of the initially scheduled surgical resection with video-assisted thoracoscopic surgery (VATS) preceded by fine needle aspiration (FNA). A diagnosis of thymoma arising in the wall of thymic cyst was made. Such a rare tumour should be taken into consideration in treating patients with a cystic mediastinal lesion, before VATS and FNA.
- Published
- 2008
35. Wireless pH monitoring: better tolerability and lower impact on daily habits.
- Author
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Grigolon A, Bravi I, Cantù P, Conte D, and Penagini R
- Subjects
- Adult, Diagnosis, Differential, Female, Follow-Up Studies, Gastroesophageal Reflux metabolism, Gastroesophageal Reflux psychology, Humans, Male, Middle Aged, Patient Satisfaction, Reproducibility of Results, Retrospective Studies, Surveys and Questionnaires, Activities of Daily Living psychology, Esophageal pH Monitoring psychology, Gastroesophageal Reflux diagnosis, Habits, Telemedicine
- Abstract
Background: Twenty-four hours oesophageal pH monitoring is considered the reference-standard for the diagnosis of gastro-oesophageal reflux disease, but it is limited by catheter discomfort and limitations of daily habits., Aim: We evaluated tolerability and impact on food intake and daily activities of catheter-based compared to wireless pH monitoring., Patients: One-hundred and thirty-three consecutive patients with suspected gastro-oesophageal reflux disease were enrolled., Methods: Seventy-eight patients (36 M, 53+/-2 years) underwent the 24 h catheter-based and 55 patients (25 M, 44+/-3 years) the 48 h wireless pH monitoring. Discomfort at placement and during the test was evaluated by 100 mm visual analogue scales. Limitations of food intake and of daily activities were evaluated by standardized questionnaires (score 0 to 3)., Results: Discomfort (mean+/-standard error of the mean) at placement and during the test was 32+/-3 versus 29+/-4 (p=ns) and 37+/-3 versus 22+/-3 (p<0.001) for the catheter-based versus wireless techniques. Limitation of food intake and of daily activities (mean+/-standard error of the mean) were 0.9+/-0.1 versus 0.4+/-0.1 (p<0.05) and 1.2+/-0.1 versus 0.2+/-0.1 (p<0.0001), respectively., Conclusions: The wireless pH monitoring is better tolerated and has minor impact on daily habits compared to the traditional technique. Whether this translates into better diagnostic accuracy remains to be evaluated.
- Published
- 2007
- Full Text
- View/download PDF
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