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Ciccacci F, De Santo C, Mosconi C, Orlando S, Carestia M, Guarente L, Liotta G, Palombi L, Emberti Gialloreti L. Not only COVID-19: a systematic review of anti-COVID-19 measures and their effect on healthcare-associated infections. J Hosp Infect 2024; 147:133-145. [PMID: 38423132 DOI: 10.1016/j.jhin.2024.02.008] [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: 11/13/2023] [Revised: 02/19/2024] [Accepted: 02/20/2024] [Indexed: 03/02/2024]
Abstract
BACKGROUND Healthcare-associated infections (HAIs) burden healthcare globally. Amid the SARS-CoV-2 pandemic, intensified infection control measures, such as mask usage and hand hygiene, were implemented. AIM To assess the efficacy of these measures in preventing HAIs among hospitalized patients. METHODS Using the PICO framework (Population, Intervention, Comparison, Outcome), the study focused on hospitalized patients and the effectiveness of anti-COVID-19 measures in preventing HAIs. A systematic review of literature published in 2020-2022 was conducted, examining interventions such as mask usage, hand hygiene, and environmental cleaning. FINDINGS This systematic review analysed 42 studies: two in 2020, 21 in 2021, and 19 in 2022. Most studies were from high-income countries (28). Most studies (30 out of 42) reported a reduction in HAIs after implementing anti-COVID-19 measures. Gastrointestinal infections and respiratory tract infections showed significant reduction, unlike bloodstream infections and urinary tract infections. Some wards, like cardiology and neurology, experienced reduced HAIs, unlike intensive care units and coronary care units. There was an increase in studies reporting no effect of hygiene measures on HAIs in 2022, eventually indicating a shift in effectiveness over time. CONCLUSION Anti-COVID-19 measures have shown selective efficacy in preventing HAIs. The study emphasizes the need for context-specific strategies and increased focus on regions with limited resources. Continued research is essential to refine infection control practices, especially in high-risk settings.
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Affiliation(s)
- F Ciccacci
- Departmental Faculty of Medicine and Surgery, Saint Camillus International University of Health and Medical Sciences, Rome, Italy
| | - C De Santo
- Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy
| | - C Mosconi
- Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy
| | - S Orlando
- Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy.
| | - M Carestia
- Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy
| | - L Guarente
- Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy
| | - G Liotta
- Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy
| | - L Palombi
- Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy; Catholic University Our Lady of Good Counsel, Tirana, Albania
| | - L Emberti Gialloreti
- Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy
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2
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De Leo A, Vara G, Paccapelo A, Balacchi C, Vicennati V, Tucci L, Pagotto U, Selva S, Ricci C, Alberici L, Minni F, Nanni C, Ambrosi F, Santini D, Golfieri R, Di Dalmazi G, Mosconi C. Computerized tomography texture analysis of pheochromocytoma: relationship with hormonal and histopathological data. J Endocrinol Invest 2022; 45:1935-1944. [PMID: 35680695 PMCID: PMC9463266 DOI: 10.1007/s40618-022-01826-2] [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] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2021] [Accepted: 05/17/2022] [Indexed: 11/29/2022]
Abstract
OBJECTIVES Pheochromocytomas are rare tumors which can present with heterogeneous secretion profiles, clinical manifestations, and radiologic appearance. Under a histopathological point of view, they can be characterized as more or less aggressive with the Pheochromocytoma of the Adrenal gland Scaled Score (PASS) and the Grading system for Adrenal Pheochromocytoma and Paraganglioma (GAPP) score. The aim of this study is to analyze the texture analysis characteristics of pheochromocytoma and identify whether the texture analysis can yield information aiding in the diagnosis and the characterization of those tumors. METHODS Radiological, biochemical, and histopathological data regarding 30 consecutive patients with histologically confirmed pheochromocytoma were analyzed. Images obtained in the unenhanced, late arterial, venous, and delayed phases were used for the texture analysis. RESULTS Urinary epinephrine and metanephrine levels showed a significant correlation (R2 = 0.946; R2 = 699) in the multivariate linear model with texture features, as well as Ki-67 (R2 = 0.397), PASS score (R2 = 0.182), GAPP score (R2 = 0.705), and cellularity showed a significant correlation (R2 = 0.389). The cluster analysis based on radiomic features resulted in 2 clusters, with significative differences in terms of systolic and diastolic blood pressure values at the time of diagnosis (p = 0.025), GAPP score (4 vs 6, p = 0.05), histological pattern (1-2, p = 0.039), and comedonecrosis (0% vs 50%, p = 0.013). CONCLUSION In conclusion, our study provides the proof of concept for the use of texture analysis on contrast-enhanced CT images as a noninvasive, quantitative tool for helping in the characterization of the clinical, biochemical, and histopathological features of pheochromocytoma.
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Affiliation(s)
- A De Leo
- Pathology Unit, Department of Experimental, Diagnostic and Specialty Medicine, Alma Mater Studiorum-University of Bologna, Bologna, Italy
- Diagnostic and Interventional Radiology Unit, Department of Diagnostic and Preventive Medicine, Via Albertoni 15, 40136, Bologna, Italy
| | - G Vara
- Diagnostic and Interventional Radiology Unit, Department of Diagnostic and Preventive Medicine, Via Albertoni 15, 40136, Bologna, Italy.
| | - A Paccapelo
- Diagnostic and Interventional Radiology Unit, Department of Diagnostic and Preventive Medicine, Via Albertoni 15, 40136, Bologna, Italy
| | - C Balacchi
- Diagnostic and Interventional Radiology Unit, Department of Diagnostic and Preventive Medicine, Via Albertoni 15, 40136, Bologna, Italy
| | - V Vicennati
- Diagnostic and Interventional Radiology Unit, Department of Diagnostic and Preventive Medicine, Via Albertoni 15, 40136, Bologna, Italy
- Unit of Endocrinology and Diabetes Prevention and Care, Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
| | - L Tucci
- Diagnostic and Interventional Radiology Unit, Department of Diagnostic and Preventive Medicine, Via Albertoni 15, 40136, Bologna, Italy
- Unit of Endocrinology and Diabetes Prevention and Care, Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
| | - U Pagotto
- Diagnostic and Interventional Radiology Unit, Department of Diagnostic and Preventive Medicine, Via Albertoni 15, 40136, Bologna, Italy
- Unit of Endocrinology and Diabetes Prevention and Care, Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
| | - S Selva
- Diagnostic and Interventional Radiology Unit, Department of Diagnostic and Preventive Medicine, Via Albertoni 15, 40136, Bologna, Italy
- Division of Pancreatic Surgery, Department of Internal Medicine and Surgery (DIMEC), Alma Mater Studiorum, University of Bologna, Bologna, Italy
| | - C Ricci
- Diagnostic and Interventional Radiology Unit, Department of Diagnostic and Preventive Medicine, Via Albertoni 15, 40136, Bologna, Italy
- Division of Pancreatic Surgery, Department of Internal Medicine and Surgery (DIMEC), Alma Mater Studiorum, University of Bologna, Bologna, Italy
| | - L Alberici
- Diagnostic and Interventional Radiology Unit, Department of Diagnostic and Preventive Medicine, Via Albertoni 15, 40136, Bologna, Italy
- Division of Pancreatic Surgery, Department of Internal Medicine and Surgery (DIMEC), Alma Mater Studiorum, University of Bologna, Bologna, Italy
| | - F Minni
- Diagnostic and Interventional Radiology Unit, Department of Diagnostic and Preventive Medicine, Via Albertoni 15, 40136, Bologna, Italy
- Division of Pancreatic Surgery, Department of Internal Medicine and Surgery (DIMEC), Alma Mater Studiorum, University of Bologna, Bologna, Italy
| | - C Nanni
- Diagnostic and Interventional Radiology Unit, Department of Diagnostic and Preventive Medicine, Via Albertoni 15, 40136, Bologna, Italy
- Nuclear Medicine Unit, Department of Experimental, Diagnostic and Specialty Medicine, Alma Mater Studiorum, University of Bologna, Bologna, Italy
| | - F Ambrosi
- Pathology Unit, Maggiore Hospital, Bologna, Italy
| | - D Santini
- Pathology Unit, Department of Experimental, Diagnostic and Specialty Medicine, Alma Mater Studiorum-University of Bologna, Bologna, Italy
- Diagnostic and Interventional Radiology Unit, Department of Diagnostic and Preventive Medicine, Via Albertoni 15, 40136, Bologna, Italy
| | - R Golfieri
- Diagnostic and Interventional Radiology Unit, Department of Diagnostic and Preventive Medicine, Via Albertoni 15, 40136, Bologna, Italy
| | - G Di Dalmazi
- Diagnostic and Interventional Radiology Unit, Department of Diagnostic and Preventive Medicine, Via Albertoni 15, 40136, Bologna, Italy
- Unit of Endocrinology and Diabetes Prevention and Care, Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
| | - C Mosconi
- Diagnostic and Interventional Radiology Unit, Department of Diagnostic and Preventive Medicine, Via Albertoni 15, 40136, Bologna, Italy
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3
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Pettinato C, Mosconi C, Cappelli A, Rizzini EL, Tabacchi E, Civollani S, Monari F, Trevisani F, Reda L, Strigari L, Golfieri R. Efficacy of Y90 resin microspheres treatments in patients affected by “large” HCC tumors. Phys Med 2021. [DOI: 10.1016/s1120-1797(22)00444-6] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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4
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Perri MG, Zanardi S, Mosconi C, Mosillo M, Nicolosi D. Analysis of the impact of sub-acute care activities on consumption of hospital resources in Milan. Eur J Public Health 2020. [DOI: 10.1093/eurpub/ckaa166.1328] [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: 11/14/2022] Open
Abstract
Abstract
Background
In 2011, a new health service called 'sub-acute care activities' (SA) has been provided by Lombardy. It is a protected hospitalization of patients, especially elderlies, suffering for clinical issues following an acute disease or for non-complex clinical failures due to a chronic pathology. This is a hospitalization area between the hospital and home, created to reduce the number of post-acute hospitalized patients who can't be discharged. The goal of this study is the analysis of the hospitalizations in the SA setting within medical structures located in the Metropolitan area of Milan.
Methods
The data extracted from the hospital discharge card database, is focused on hospitalizations in SA that occurred from 2016 to 2019. The analysis describes yearly production, the characteristics of hospitalizations and patients, finally some trends.
Results
16,395 hospitalizations in SA were analyzed (0.7% of the total). Some data are constant in time: hospitalizations (1%), age (average 79), days of hospitalization (average 26). Patients coming from public hospitals (from 28% to 22%) are decreasing while those coming from other in-patient admission typologies within the same organization (from 44% to 54%) are increasing. The major diagnostic categories are related to cardiovascular and respiratory diseases. Over the 85% of hospitalizations are paid with the highest daily rate among those allowed by law. Talking about discharge typologies, 57% of patients return home, 20% are re-transferred to the acute ward, 16% are sent to rehabilitation/long-term care while 7% have died.
Conclusions
The use of the highest daily tariff and the high number of patients who need to be re-transferred to the acute ward place, gives many doubts on how appropriate is allocation of resources and about the accuracy of admissions in the SA unit during the patient care path. We're planning to return to these issues with further targeted studies.
Key messages
The analysis showed constant characteristics of SA activities during the four years. Data showed that there may be management issues in the appropriate use of resources in SA assistence.
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Affiliation(s)
- M G Perri
- UOC Controlli Prestazioni Sanitarie di Ricovero Milano, ATS Città Metropolitana di Milano, Milan, Italy
- UOS Controlli Prestazioni Sanitarie di Ricovero Milano Città, ATS Città Metropolitana di Milano, Milan, Italy
| | - S Zanardi
- UOC Controlli Prestazioni Sanitarie di Ricovero Milano, ATS Città Metropolitana di Milano, Milan, Italy
- UOC Controlli Prestaz San di Ricovero Milano Est, ATS Città Metropolitana di Milano, Milan, Italy
| | - C Mosconi
- UOC Controlli Prestazioni Sanitarie di Ricovero Milano, ATS Città Metropolitana di Milano, Milan, Italy
- UOS Controlli Prestazioni Sanitarie di Ricovero Milano Città, ATS Città Metropolitana di Milano, Milan, Italy
| | - M Mosillo
- Department of Biomedical Sciences for Health, Università degli Studi di Milano, Milan, Italy
| | - D Nicolosi
- UOC Controlli Prestaz San di Ricovero Milano, ATS Città Metropolitana di Milano, Milan, Italy
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5
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De Leo A, Mosconi C, Zavatta G, Tucci L, Nanni C, Selva S, Balacchi C, Ceccarelli C, Santini D, Pantaleo MA, Minni F, Fanti S, Golfieri R, Pagotto U, Vicennati V, Di Dalmazi G. Radiologically defined lipid-poor adrenal adenomas: histopathological characteristics. J Endocrinol Invest 2020; 43:1197-1204. [PMID: 32062826 DOI: 10.1007/s40618-020-01198-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Accepted: 02/10/2020] [Indexed: 12/21/2022]
Abstract
BACKGROUND Adrenal lipid-poor adenomas (LPA) are defined by high unenhanced density (≥ 10 HU), and absolute and relative contrast medium washout > 60% and > 40%, respectively, at computerized tomography (CT). To date, no thorough histopathological characterization has been performed in those frequent lesions (one-third of adrenal adenomas). Our aim was to analyze the histopathological characteristics of adrenal LPA. METHODS Patients with LPA (n = 57) were selected among consecutive subjects referred for an adrenal incidentaloma or ACTH-independent Cushing syndrome. FluoroDeoxyGlucose-Positron Emission Tomography (FDG-PET) was performed in 37 patients. In patients treated by adrenalectomy (n = 17), Weiss score and Lin-Weiss-Bisceglia score (in tumors composed entirely or predominantly of oncocytes) were calculated. RESULTS Radiological parameters did not differ among patients with ACTH-independent Cushing syndrome (n = 6) and those with adrenal incidentalomas associated with primary aldosteronism (n = 2), autonomous cortisol secretion (n = 14), or non-functioning (n = 35). Patients treated by adrenalectomy had larger tumors (28.9 ± 11.2 vs 17.3 ± 8.4 mm, P < 0.001), higher CT unenhanced density (29.1 ± 11.0 vs 23.1 ± 9.0 HU, P = 0.043), and FDG-PET adrenal uptake (9.0 ± 6.4 vs 4.4 ± 2.3 SUV, P = 0.003) than non-operated ones. Oncocytic features > 75% of the tumor were detected in 12/17 cases (70.6%). Five of those showed borderline-malignant histopathological characteristics by Lin-Weiss-Bisceglia score. Among remaining non-oncocytic tumors, 1/5 had a Weiss score ≥ 3. Overall, 6/17 tumors (35.3%) had borderline-malignant potential. Radiological parameters were similar between patients with benign and borderline-malignant tumors. CONCLUSIONS Adrenal LPA are a heterogeneous group of tumors, mostly composed of oncocytomas. Up to 1/3 of those tumors may have a borderline-malignant potential at histopathology.
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Affiliation(s)
- A De Leo
- Pathology Unit, Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, S. Orsola-Malpighi Hospital, Bologna, Italy
| | - C Mosconi
- Radiology Unit, S. Orsola-Malpighi Hospital, Bologna, Italy
| | - G Zavatta
- Endocrinology Unit, Department of Medical and Surgical Sciences, University of Bologna, Malpighi Hospital, Alma Mater Studiorum University of Bologna, S. Orsola Policlinic, via Massarenti 9, 40138, Bologna, Italy
| | - L Tucci
- Endocrinology Unit, Department of Medical and Surgical Sciences, University of Bologna, Malpighi Hospital, Alma Mater Studiorum University of Bologna, S. Orsola Policlinic, via Massarenti 9, 40138, Bologna, Italy
| | - C Nanni
- Metropolitan Nuclear Medicine, S. Orsola-Malpighi Hospital, Alma Mater Studiorum-University of Bologna, Bologna, Italy
| | - S Selva
- General Surgery, Department of Medical and Surgical Sciences, University of Bologna, S. Orsola-Malpighi Hospital, Bologna, Italy
| | - C Balacchi
- Radiology Unit, S. Orsola-Malpighi Hospital, Bologna, Italy
| | - C Ceccarelli
- Pathology Unit, Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, S. Orsola-Malpighi Hospital, Bologna, Italy
| | - D Santini
- Pathology Unit, Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, S. Orsola-Malpighi Hospital, Bologna, Italy
| | - M A Pantaleo
- Department of Experimental, Diagnostic and Specialty Medicine, Oncology Unit, S. Orsola-Malpighi Hospital, University of Bologna, Bologna, Italy
| | - F Minni
- General Surgery, Department of Medical and Surgical Sciences, University of Bologna, S. Orsola-Malpighi Hospital, Bologna, Italy
| | - S Fanti
- Metropolitan Nuclear Medicine, S. Orsola-Malpighi Hospital, Alma Mater Studiorum-University of Bologna, Bologna, Italy
| | - R Golfieri
- Radiology Unit, S. Orsola-Malpighi Hospital, Bologna, Italy
| | - U Pagotto
- Endocrinology Unit, Department of Medical and Surgical Sciences, University of Bologna, Malpighi Hospital, Alma Mater Studiorum University of Bologna, S. Orsola Policlinic, via Massarenti 9, 40138, Bologna, Italy
| | - V Vicennati
- Endocrinology Unit, Department of Medical and Surgical Sciences, University of Bologna, Malpighi Hospital, Alma Mater Studiorum University of Bologna, S. Orsola Policlinic, via Massarenti 9, 40138, Bologna, Italy
| | - G Di Dalmazi
- Endocrinology Unit, Department of Medical and Surgical Sciences, University of Bologna, Malpighi Hospital, Alma Mater Studiorum University of Bologna, S. Orsola Policlinic, via Massarenti 9, 40138, Bologna, Italy.
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6
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Pettinato C, Mosconi C, Cappelli A, Civollani S, Pini P, Monari F, Angelelli B, Nobili E, Fanti S, Golfieri R. Retrospective analysis of dose–response for HCC lesions treated with 90Y resin microspheres. Phys Med 2016. [DOI: 10.1016/j.ejmp.2016.01.381] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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7
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Shapovalyants SG, Michalev AI, Timofeev ME, Polushkin VG, Volkov VV, Oettinger AP, Lorenz R, Koch A, Köckerling F, Burcharth J, Andresen K, Pommergaard HC, Bisgaard T, Rosenberg J, Friis-Andersen H, Li JW, Le F, Zheng MH, Roscio F, Combi F, Frattini P, Clerici F, Scandroglio I, Zhao X, Nie Y, Liu J, Wang M, Kuo L, Tsai CC, Mok KT, Liu SI, Chen IS, Chou NH, Wang BW, Chen YC, Chang BM, Liang TJ, Kang CH, Tsai CY, Dudai M, Zeng YJ, Liu TL, Shi CM, Sun L, Shu R, Kawaguchi M, Takahashi Y, Tochimoto M, Horiguchi Y, Kato H, Tawaraya K, Hosokawa O, Huang C, Sorge A, Masoni L, Maglio R, Di Marzo F, Mosconi C, Gallinella Muzi M, Kato J, Iuamoto L, Meyer A, Almehdi R, Alazri Y, Sahoo B, Ahmed R, Nasser M, Inaba T, Fukuhsima R, Yaguchi Y, Horikawa M, Ogawa E, Kumata Y, Pokorny H, Fischer I, Resinger C, Lorenz V, Podar S, Längue F, Etherson K, Atkinson K, Khan S, Pradeep R, Viswanath Y, Munipalle PC, Chung J, Schuricht A, Magalhães C, Marcos M, Flores A, Sekmen U, Paksoy M, Ceriani F, Cutaia S, Canziani M, Caravati F. Inguinal Hernia: Recurrences, Tailored Surgery & Pubic Inguinal Pain Syndrome (Sportsman Hernia). Hernia 2015; 19 Suppl 1:S167-75. [PMID: 26518795 DOI: 10.1007/bf03355345] [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: 11/28/2022]
Affiliation(s)
- S G Shapovalyants
- Department of Hospital Surgery 2, Russian National Research Medical University, Moscow, Russia
| | - A I Michalev
- Department of Hospital Surgery 2, Russian National Research Medical University, Moscow, Russia
| | - M E Timofeev
- Department of Hospital Surgery 2, Russian National Research Medical University, Moscow, Russia
| | - V G Polushkin
- Department of Hospital Surgery 2, Russian National Research Medical University, Moscow, Russia
| | - V V Volkov
- Department of Hospital Surgery 2, Russian National Research Medical University, Moscow, Russia
| | - A P Oettinger
- Institution of Applied Medical Sciences, Russian National Research Medical University, Moscow, Russia
| | - R Lorenz
- Hernia Center 3 Chirurgen, Berlin, Germany
| | - A Koch
- Surgical Practise, Cottbus, Germany
| | - F Köckerling
- Klinik für Allgemein, Viszeral und Gefäβchirurgie, Vivantes Klinikum Spandau, Berlin, Germany
| | - J Burcharth
- Center for Perioperative Optimization, Department of Surgery, Herlev Hospital, Herlev, Denmark
| | - K Andresen
- Center for Perioperative Optimization, Department of Surgery, Herlev Hospital, Herlev, Denmark.,Department of Surgery, Herlev Hospital, University of Copenhagen, Copenhagen, Denmark
| | - H-C Pommergaard
- Center for Perioperative Optimization, Department of Surgery, Herlev Hospital, Herlev, Denmark
| | - T Bisgaard
- Department of Surgery, Hvidovre Hospital, Hvidovre, Denmark.,The Danish Hernia Database, Copenhagen, Denmark
| | - J Rosenberg
- Center for Perioperative Optimization, Department of Surgery, Herlev Hospital, Herlev, Denmark.,The Danish Hernia Database, Copenhagen, Denmark.,Department of Surgery, Herlev Hospital, University of Copenhagen, Copenhagen, Denmark
| | | | - J W Li
- Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | | | | | - F Roscio
- Department of Surgery - Division of General Surgery, Galmarini Hospital, Tradate, Italy
| | - F Combi
- Department of Surgery - Division of General Surgery, Galmarini Hospital, Tradate, Italy
| | - P Frattini
- Department of Surgery - Division of General Surgery, Galmarini Hospital, Tradate, Italy
| | - F Clerici
- Department of Surgery - Division of General Surgery, Galmarini Hospital, Tradate, Italy
| | - I Scandroglio
- Department of Surgery - Division of General Surgery, Galmarini Hospital, Tradate, Italy
| | - X Zhao
- Beijing Chao-Yang Hospital, Beijing, China
| | | | | | | | - L Kuo
- Department of General Surgery, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
| | | | | | | | | | | | | | | | | | | | | | | | - M Dudai
- Hernia Excellence, Ramat Aviv Medical Center, Tel Aviv, Israel
| | - Y J Zeng
- Department of Gastroenterology and Hernia, The first affiliated hospital of Kunming Medical University, Kunming, China
| | - T L Liu
- Department of Gastroenterology and Hernia, The first affiliated hospital of Kunming Medical University, Kunming, China
| | - C M Shi
- Department of Gastroenterology and Hernia, The first affiliated hospital of Kunming Medical University, Kunming, China
| | - L Sun
- Department of Gastroenterology and Hernia, The first affiliated hospital of Kunming Medical University, Kunming, China
| | - R Shu
- Department of Gastroenterology and Hernia, The first affiliated hospital of Kunming Medical University, Kunming, China
| | - M Kawaguchi
- Yokohama Sakae Kyosai Hospital, Yokohama, Japan
| | - Y Takahashi
- Yokohama Sakae Kyosai Hospital, Yokohama, Japan
| | - M Tochimoto
- Yokohama Sakae Kyosai Hospital, Yokohama, Japan
| | - Y Horiguchi
- Yokohama Sakae Kyosai Hospital, Yokohama, Japan
| | - H Kato
- Yokohama Sakae Kyosai Hospital, Yokohama, Japan
| | - K Tawaraya
- Yokohama Sakae Kyosai Hospital, Yokohama, Japan
| | - O Hosokawa
- Yokohama Sakae Kyosai Hospital, Yokohama, Japan
| | - C Huang
- Cathay medical center, Taipei, Taiwan.,Taipei medical university, Taipei, Taiwan
| | - A Sorge
- Ospedale S. Giovanni Bosco, Napoli, Italy
| | | | - R Maglio
- Ospedale Israelitico, Roma, Italy
| | - F Di Marzo
- Ospedale S. Giovanni Bosco, Napoli, Italy
| | - C Mosconi
- Policlinico Universitario Tor Vergata, Roma, Italy
| | | | - J Kato
- University of Sao Paulo Medical School, Sao Paulo, Brazil
| | - L Iuamoto
- University of Sao Paulo Medical School, Sao Paulo, Brazil
| | - A Meyer
- Abdominal Wall Repair Center, Samaritano Hospital, Sao Paulo, Brazil
| | | | | | | | | | | | - T Inaba
- Department of Surgery, Teikyo University Hospital, Tokyo, Japan
| | - R Fukuhsima
- Department of Surgery, Teikyo University Hospital, Tokyo, Japan
| | - Y Yaguchi
- Department of Surgery, Teikyo University Hospital, Tokyo, Japan
| | - M Horikawa
- Department of Surgery, Teikyo University Hospital, Tokyo, Japan
| | - E Ogawa
- Department of Surgery, Teikyo University Hospital, Tokyo, Japan
| | - Y Kumata
- Department of Surgery, Teikyo University Hospital, Tokyo, Japan
| | - H Pokorny
- LK Wiener Neustadt, Wiener Neustadt, Austria
| | | | | | | | | | | | - K Etherson
- Department of Surgery, James Cook University Hospital, Middlesbrough, UK
| | - K Atkinson
- Department of Surgery, James Cook University Hospital, Middlesbrough, UK
| | - S Khan
- Department of Surgery, James Cook University Hospital, Middlesbrough, UK
| | - R Pradeep
- Department of Surgery, James Cook University Hospital, Middlesbrough, UK
| | - Y Viswanath
- Department of Surgery, James Cook University Hospital, Middlesbrough, UK
| | | | - J Chung
- University of Pennsylvania Health System, Philadelphia, USA
| | - A Schuricht
- University of Pennsylvania Health System, Philadelphia, USA
| | | | - M Marcos
- Centro Hospitalar Porto, Porto, Portugal.,Institute Cuf, Porto, Portugal
| | - A Flores
- Centro Hospitalar Porto, Porto, Portugal.,Institute Cuf, Porto, Portugal
| | - U Sekmen
- Acibadem Hospital, Istanbul, Turkey
| | - M Paksoy
- Dept. of Gen. Surg., Istanbul Uni. Cerrahpasa Med. School, Istanbul, Turkey
| | - F Ceriani
- Multimedica Santa Maria, Castellanza, Va, Italy
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8
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Cennamo V, Fuccio L, Giampalma E, Terzi E, Eusebi LH, Mosconi C, Piscaglia F. Choledochoscope-assisted percutaneous fibrin glue sealing of bile leak complicating transarterial chemoembolization of hepatocellular carcinoma after liver transplantation. Endoscopy 2011; 43 Suppl 2 UCTN:E238-9. [PMID: 21837590 DOI: 10.1055/s-0030-1256512] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- V Cennamo
- Division of Gastroenterology, Department of Digestive Disease and Internal Medicine, S. Orsola-Malpighi General and University Hospital, Bologna, Italy.
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9
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Predicatori F, Intini B, Frontero P, Martinelli C, Culmone LR, Brunelli S, Salomoni A, Mosconi C, Mattiolo G. Influence of a cement industry on the fine and ultrafine particles composition in a rural area. Radiat Prot Dosimetry 2009; 137:288-293. [PMID: 19864329 DOI: 10.1093/rpd/ncp224] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
The cement industry of this work is located in the Fumane valley, in the north of Verona. The environmental impact of the air emissions from the plant was studied using different methods: the characterisation of the raw materials utilised in the production process and of the emissions from the chimney of the clinker kiln; the sampling of the air particles on filter in the region around the plant; the biomonitoring using transplanted mosses; the study of the air pollution dispersion using a model.
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Affiliation(s)
- F Predicatori
- ARPAV (Regional Environmental Protection Agency of Veneto), Via Dominutti 8, 37135 Verona (VR), Italy.
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10
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Galli C, Sirtori CR, Mosconi C, Medini L, Gianfranceschi G, Vaccarino V, Scolastico C. Prolonged retention of doubly labeled phosphatidylcholine in human plasma and erythrocytes after oral administration. Lipids 1992; 27:1005-12. [PMID: 1487948 DOI: 10.1007/bf02535580] [Citation(s) in RCA: 39] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
The plasma kinetics of a preparation of dilinoleoyl phosphatidylcholine (DLPC) specifically labeled with 3H in the choline moiety and with 14C in the 2-fatty acid (FA) were evaluated in six healthy volunteers after oral administration. Retention of both isotopes in plasma exceeded expectations, with a half-life in the elimination phase of 172.2 h for 3H and 69.7 h for 14C. Up to 60 d after administration, there were still significant levels of radioactivity present in plasma. The relative stability of the [14C]FA label was demonstrated by the retention for more than 12 h of an isotope ratio close to that of the compound administered. The 14C label of DLPC remained in position-2, as assessed by cleavage of plasma phospholipids with phospholipase A2. The [3H]choline label showed an early incorporation into high density lipoproteins and subsequently into low density lipoproteins (LDL); conversely, the 14C radioactivity was rapidly incorporated into triacylglycerols that were mainly associated with very low density lipoproteins. Radioactivity measurements revealed that both isotopes remained the longest time in LDL. In red blood cell (RBC) lipids, [3H]choline radioactivity accumulated over time, with a plateau after 48 h, whereas FA radioactivity accumulated more rapidly and was followed by a progressive decay. Analysis of the isotope ratio in these cells suggested an early incorporation of lyso products followed by rapid transfer of FA from plasma. The RBC maintained considerable radioactivity for a prolonged time, thus acting as a possible reservoir for the DLPC administered.(ABSTRACT TRUNCATED AT 250 WORDS)
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Affiliation(s)
- C Galli
- Institute of Pharmacological Sciences, School of Sciences, University of Milan, Italy
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11
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Marangoni R, Civardi F, Savino R, Colombo R, Marangoni F, Mosconi C, Galli C. Plasma lipids and fatty acid levels in chronically uremic patients undergoing blood purification with different methods. Artif Organs 1992; 16:625-9. [PMID: 1482334 DOI: 10.1111/j.1525-1594.1992.tb00562.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [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: 12/27/2022]
Abstract
Levels of plasma lipids and the fatty acid composition of major plasma lipid classes have been determined in chronically uremic patients before and after treatments with hemofiltration, high efficiency paired filtration dialysis, or acetate-free biofiltration. The major findings are a decrease of triglycerides and an increase of total free fatty acids (FFAs) at the end of the dialytic session--already reported in the literature--that do not appear to be strictly dependent on heparin administration. The changes in the plasma concentrations of selected saturated and polyunsaturated fatty acids, which may contribute to alteration of functional parameters in the cardiovascular system in dialyzed patients, are different in the various types of techniques.
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Affiliation(s)
- R Marangoni
- Nephrology and Dialysis Unit, Bollate Hospital, Italy
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12
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Marangoni F, Mosconi C, Galella G, Galli C. Increments of dietary linoleate raise liver arachidonate, but markedly reduce heart n-6 and n-3 fatty acids in the rat. Lipids 1992; 27:624-8. [PMID: 1406073 DOI: 10.1007/bf02536121] [Citation(s) in RCA: 10] [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: 12/26/2022]
Abstract
Four diets containing 20% of energy (en%) as fat and with linoleic acid contents of 1.9, 3.1, 7.7 and 10.1 en%, respectively, were fed to one-month-old male rats for three months. The fatty acid profiles and the levels of the major n-6 and n-3 fatty acids in the lipids of plasma, liver, heart and kidney were measured. We found that with increasing concentrations of 18:2n-6 in the diet, linoleic acid rose in plasma and in all organs, but long-chain n-6 and n-3 fatty acids responded differently. In liver, arachidonic acid increased and n-3 fatty acids were not significantly affected; in heart, both arachidonic and docosahexaenoic acids were progressively reduced; and in kidney, there was no change of n-6 and n-3. The results indicate that incremental changes in dietary linoleate affect the levels of polyunsaturated fatty acids in liver and extrahepatic organs differently.
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Affiliation(s)
- F Marangoni
- Institute of Pharmacological Sciences, University of Milan, Italy
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13
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Galli C, Agostoni C, Mosconi C, Riva E, Salari PC, Giovannini M. Reduced plasma C-20 and C-22 polyunsaturated fatty acids in children with phenylketonuria during dietary intervention. J Pediatr 1991; 119:562-7. [PMID: 1919887 DOI: 10.1016/s0022-3476(05)82405-9] [Citation(s) in RCA: 74] [Impact Index Per Article: 2.2] [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: 12/29/2022]
Abstract
The fatty acid composition of plasma and erythrocyte lipids was analyzed in 15 children with phenylketonuria (aged 3 to 12 years) during dietary treatment aimed to maintain plasma phenylalanine levels at less than 8 mg/dl (485 mumol/L), and compared with those of 12 matched control subjects. The diet of children with phenylketonuria provided less protein, with a very low proportion of animal proteins, less fat, but a higher proportion of linoleic acid as a percentage of calories, and a higher carbohydrate content versus that in the diet of control subjects. The children with phenylketonuria had higher plasma levels of oleic acid but lower levels of arachidonic (n-6) and n-3 fatty acids. Linoleic and eicosatrienoic (n-9) acid levels were the same in both groups. These changes in patients with phenylketonuria resemble those observed in vegetarians and may be due to the absence of preformed arachidonic acid and long-chain n-3 fatty acids in the phenylketonuric diet.
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Affiliation(s)
- C Galli
- Fifth Department of Pediatrics, School of Medicine, University of Milan, Italy
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14
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Lograno MD, Mosconi C, Marangoni F, Medini L, Grassi G, Galli C. Vascular eicosanoids and platelet-aortic wall interactions in spontaneously hypertensive rats. Eur J Pharmacol 1991; 202:311-6. [PMID: 1721028 DOI: 10.1016/0014-2999(91)90272-r] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
We studied the aggregation of collagen and ADP-stimulated platelet-rich plasma (PRP) and the formation of thromboxane B2 (TxB2) by collagen-stimulated PRP in spontaneously hypertensive rats (SHR) and in Wistar-Kyoto control rats (WKY). In addition, we evaluated the inhibition of the aggregation of PRP following homologous or heterologous perfusions through isolated aortas, the release of 6-keto-prostaglandin (PG)F1 alpha from these arteries perfused with PRP, and the sensitivity of PRP to the antiaggregatory activity of the stable PGI2 analogue, iloprost, in both SHR and WKY. The lower activities (aggregation induced by ADP and collagen, collagen-stimulated TxB2 production) of SHR platelets, were not accompanied by morphological differences from WKY platelets. These changes were associated with a greater release of arterial 6-keto-PGF1 alpha, with greater platelet antiaggregatory activity of the arterial wall and with higher sensitivity of platelets to iloprost. The lower reactivity of platelets to aggregating agents, and the greater sensitivity to prostacyclin, associated with a greater production of arterial prostacyclin were the major changes observed in SHR animals. These alterations in the SHR vs. normotensive WKY may lead to an enhanced risk of hemorrhage in the hypertensive state.
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Affiliation(s)
- M D Lograno
- Pharmaco-Biological Department, University of Bari, Italy
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15
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Mosconi C, Colli S, Tremoli E, Galli C. Dietary n-9, n-6 and n-3 fatty acids modify linoleic acid more than arachidonic acid levels in plasma and platelet lipids and minimally affect platelet thromboxane formation in the rabbit. J Nutr Biochem 1990; 1:565-71. [PMID: 15539175 DOI: 10.1016/0955-2863(90)90044-l] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/1989] [Accepted: 05/31/1990] [Indexed: 11/26/2022]
Abstract
We have studied the effects of semisynthetic diets containing 5% by weight (12% of the energy) of either olive oil (70% oleic acid, OA) or corn oil (58% linoleic acid), or fish oil (Max EPA, containing about 30% eicosapentaenoic, EPA C 20:5 n-3, plus docosahexaenoic, DHA C 22:6 n-3, acids, and less than 2% linoleic acid), fed to male rabbits for a period of five weeks, on plasma and platelet fatty acids and platelet thromboxane formation. Aim of the study was to quantitate the absolute changes of n-6 and n-3 fatty acid levels in plasma and platelet lipid pools after dietary manipulations and to correlate the effects on eicosanoid-precursor fatty acids with those on platelet thromboxane formation. The major differences were found when comparing the group fed fish oil and depleted linoleic acid vs the other groups. The accumulation of n-3 fatty acids in various lipid classes was associated with modifications in the distribution of linoleic acid and arachidonic acid in different lipid pools. In platelets maximal incorporation of n-3 fatty acids occurred in phosphatidyl ethanolamine, which also participated in most of the total arachidonic acid reduction occurring in platelets, and linoleic acid, more than archidonic acid, was replaced by n-3 fatty acids in various phospholipids. The archidonic acid content of phosphatidyl choline was unaffected and that of phosphatidyl inositol only marginally reduced. Thromboxane formation by thrombin stimulated platelets did not differ among the three groups, and this may be related to the minimal changes of arachidonic acid in phosphatidyl choline and phosphatidyl inositol.
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Affiliation(s)
- C Mosconi
- Institute of Pharmacological Sciences, University of Milan, Milan, Italy
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16
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Schena F, Cevese A, Guidi GC, Mosconi C, Pattini A. 809 SERUM ERYTHROPOIETIN CHANGES IN RUNNERS AND MOUNTAIN-BIKERS AFTER A 42 KM RACE. Med Sci Sports Exerc 1990. [DOI: 10.1249/00005768-199004000-00808] [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: 11/21/2022]
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17
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Medini L, Colli S, Mosconi C, Tremoli E, Galli C. Diets rich in n-9, n-6 and n-3 fatty acids differentially affect the generation of inositol phosphates and of thromboxane by stimulated platelets, in the rabbit. Biochem Pharmacol 1990; 39:129-33. [PMID: 2105092 DOI: 10.1016/0006-2952(90)90656-6] [Citation(s) in RCA: 27] [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] [Indexed: 12/30/2022]
Abstract
We have studied the effects of semi-synthetic diets rich in either n-9 (olive oil, OO) or n-6 (corn oil, CO), or n-3 (fish oil, FO, as MaxEPA) fatty acids on the levels of major PUFA in platelet lipids, on the generation of inositol phosphates by [3H]inositol labelled platelets after stimulation with thrombin and of thromboxane B2 (TxB2) by platelet rich plasma (PRP) after stimulation with collagen. The predicted elevations of oleic (OA), linoleic (LA) and eicosapentaenoic (EPA) and docosahexaenoic (DHA) acids were observed in platelet lipids of each animal group, but in the MaxEPA fed group accumulation of EPA was associated with depletion of linoleic acid (LA) rather than of arachidonic acid (AA). Basal levels of inositol-tris-phosphate (IP3) in platelets were lowest in the OO group and highest in the CO group, whereas the increment after thrombin stimulation (1 unit/ml NIH) was maximal in the OO group and minimal in the FO group. Instead, when generation of TxB2 by stimulated platelets was evaluated, no appreciable difference among the various groups could be detected, in accordance with the limited modifications of platelet AA content induced by the diets. The overall data indicate that dietary fatty acids modulate the pathway of inositol phosphate generation in rabbit platelets, independently of modifications of TxB2 production.
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Affiliation(s)
- L Medini
- Institute of Pharmacological Sciences, University of Milan, Italy
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18
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Mosconi C, Agradi E, Gambetta A, Bozzetti F, Galli C. Decrease of polyunsaturated fatty acids and elevation of the oleic/stearic acid ratio in plasma and red blood cell lipids of malnourished cancer patients. JPEN J Parenter Enteral Nutr 1989; 13:501-4. [PMID: 2607591 DOI: 10.1177/0148607189013005501] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The fatty acids profiles of plasma and red blood cell lipids have been evaluated in 12 malnourished cancer patients in comparison with samples from eight healthy controls. In such patients, significantly lower levels of linoleic acid (LA) as percentage of total fatty acids were observed in plasma phospholipids (PL) and cholesterol esters (CE), and in red blood cells PL. The levels of arachidonic acid (AA) and the unsaturation index of the two lipid classes were also reduced in plasma CE but not in PL. In spite of the marked reduction of LA and, more generally, of total polyunsaturated fatty acids (PUFA), no elevation of eicosatrienoic acid (20:3 n-9) was observed, such acid being considered a typical index of essential fatty deficiency. Moreover, no modification of the parameters indicating impairment of the fatty acid desaturation activity was shown. In addition, the levels of palmitic and oleic acids were significantly higher in both plasma PL and CE and in red blood cells PL. The reported elevation of the oleic to stearic acid ratio in lipids of red blood cells from malnourished cancer patients, already observed by other authors, was confirmed in our study. This ratio was even more markedly elevated in plasma lipids of the patients. A very good correlation was found between the reduction of linoleic acid levels, especially in plasma CE, and weight loss, suggesting enhanced utilization of this fatty acid in association with extensive depletion of lipid stores, in this pathological state.
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Affiliation(s)
- C Mosconi
- Institute of Pharmacological Sciences, University of Milan, Italy
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19
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Galli C, Mosconi C, Medini L, Tremoli E. Dietary fatty acids, serum lipids, platelet biochemistry and function. Wien Klin Wochenschr 1989; 101:267-71. [PMID: 2658330] [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: 01/02/2023]
Abstract
Dietary fatty acids of the n-6 mainly linoleic acid (LA) series, and of the n-3, such as eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) series both reduce plasma cholesterol levels and platelet responses to aggregating agents. The potency of n-3 fatty acids, which are present in relatively high concentrations in fish oils, is at least one order of magnitude greater than that of LA. The effects of fish oils appear to be related to the incorporation of EPA into plasma lipoproteins and cell phospholipid pools, thus modulating metabolic processes within specific lipid pools. Inhibition of platelet function and modifications of the activity of other blood cells, such as leukocytes, is attributed to interference with the eicosanoid system. Competition of EPA with arachidonic acid (AA) for the oxygenases and/or generation of less active metabolites from this precursor are the major mechanisms of action. Feeding studies in experimental animals indicate that exogenously administered n-3 fatty acids undergo distribution among the major plasma lipid classes and platelet phospholipids quite different to that of endogenous AA. In addition, the generation of inositolphosphates by stimulated platelets is decreased by dietary n-3 fatty acids in a manner independent of the effects on the eicosanoid system. It appears that polyunsaturated fatty acids (PUFA) of the n-6 and n-3 series are differently handled in various lipid pools and that early steps of cell activation, in addition to the generation of eicosanoids, are affected by dietary fatty acids. This indicates that fatty acids modulate key steps in the regulation of cell function and biochemistry.(ABSTRACT TRUNCATED AT 250 WORDS)
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Affiliation(s)
- C Galli
- Institute of Pharmacological Sciences, University of Milan, Italy
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20
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Lovati MR, Manzoni C, Mosconi C, Colli S, Sirtori CR, Fumagalli G, Clementi F. Reduced platelet aggregability and increased vascular prostacyclin formation in a variant rat strain (IVA-SIV) with endogenous hypertriglyceridemia. Atherosclerosis 1988; 74:169-77. [PMID: 3214476 DOI: 10.1016/0021-9150(88)90203-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [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: 01/04/2023]
Abstract
The Ivanovas-Sieve (IVA-SIV) rat represents the only available animal model of endogenous hypertriglyceridemia, in the absence of obesity and/or overt diabetes. Since plasma lipids/lipoproteins can modulate platelet reactivity and eicosanoid metabolism, these were examined in two groups of Charles River (CR) and IVA-SIV rats of identical age. The IVA-SIV rats had 2-fold higher plasma triglycerides and a 55% higher number of circulating platelets; the number of platelets was significantly correlated with triglyceridemia. Platelet reactivity to ADP and to collagen was significantly reduced in these animals, whereas the formation of thromboxane B2 did not differ from that of the CR. After perfusion of platelet-rich plasma (PRP) through the aortas of animals of the two strains, platelet aggregability, already lower in the IVA-SIV, was reduced to a higher extent compared to the CR. Increased levels of the prostacyclin metabolite 6-keto-PGF1 alpha were identified in the perfusate from the aortas of IVA-SIV rats. Platelets from these animals also showed an increased sensitivity to Iloprost, a stable prostacyclin analogue, with an IC50 1.7-fold lower compared to CR rats. Spontaneous hypertriglyceridemia in the IVA-SIV model is not associated with platelet hyperresponsiveness, but rather with a reduced sensitivity to major aggregants.
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Affiliation(s)
- M R Lovati
- Department of Pharmacology, University of Milan, Italy
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21
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Mosconi C, Colli S, Medini L, Stragliotto E, Maderna P, Tremoli E, Galli C. Vitamin E influences the effects of fish oil on fatty acids and eicosanoid production in plasma and circulating cells in the rat. Biochem Pharmacol 1988; 37:3415-21. [PMID: 2844188 DOI: 10.1016/0006-2952(88)90690-9] [Citation(s) in RCA: 10] [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: 01/02/2023]
Abstract
An EPA enriched oil (MaxEPA, Seven Seas, U.K. containing 18% EPA and 12% DHA) alone or supplemented with 10 mg/ml/alpha tocopherol, was administered by gastric intubation at the dose of 3.2 ml/kg/day for a period of eight weeks to male rats fed a standard diet. An additional group of animals was treated with the same amount of olive oil. The administration of MaxEPA alone resulted, as expected, in accumulation of EPA and reduction of AA levels in plasma, platelet, red blood cell and PMNL phospholipids, when compared to values in the olive oil group. In addition, levels of linoleic acid were elevated, suggesting inhibition of the conversion of linoleic to arachidonic acid. Formation of i.r. TxB2 by stimulated PRP, of i.r. 6-keto-PGF1 alpha by perfused aortas, and of IR LTB4 and C4 by stimulated PMNL were reduced, but production of superoxide anion by PMNL was enhanced by MaxEPA treatment vs the olive oil treatment. Supplementation of MaxEPA with vitamin E caused a smaller reduction of 20:4 levels and a smaller increase of 20:5 levels in plasma and cell phospholipids and modified the effects of MaxEPA on eicosanoid and superoxide anion production, suggesting that lipid peroxidation may mediate some of the biological effects of omega 3 fatty acids.
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Affiliation(s)
- C Mosconi
- Institute of Pharmacological Sciences, School of Pharmacy, University of Milan, Italy
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22
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Mosconi C, Colli S, Tremoli E, Galli C. Phosphatidylinositol (PI) and PI-associated arachidonate are elevated in platelet total membranes of type IIa hypercholesterolemic subjects. Atherosclerosis 1988; 72:129-34. [PMID: 3214465 DOI: 10.1016/0021-9150(88)90073-1] [Citation(s) in RCA: 27] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The lipid composition (phospholipid distribution and fatty acid patterns of individual glycerophospholipids) and levels of lipid components (cholesterol, total and individual phospholipid classes, arachidonic acid) have been determined in total membranes of platelets from type IIa hypercholesterolemic (HC) and control (C) subjects. Levels of cholesterol and total phospholipid, relative to the protein content, were about 80% and 60% higher respectively in platelet total membranes from HC subjects. Small differences between the two groups of samples were observed for the phospholipid distribution and the fatty acid patterns. Concentrations of individual phospholipid classes, were on the average 60% higher in HC than in C platelet membranes, with an even greater difference for phosphatidylinositol (PI) and sphingomyelin. Levels of arachidonic acid, relative to the protein content, were also 60-80% higher in membranes from HC platelet with a more than 100% increase in PI. The higher levels of the eicosanoid precursor fatty acid in phospholipids and especially in PI, which is considered a donor pool for eicosanoid synthesis, may be a contributing factor for the greater thromboxane formation and enhanced aggregation, upon stimulation, of platelets from HC patients in comparison to platelets from control subjects.
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Affiliation(s)
- C Mosconi
- Institute of Pharmacological Sciences, University of Milan, Italy
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23
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Abstract
Important clinical signs are usually not present in analbuminaemia, a congenital condition inherited as an autosomal recessive trait, but several biochemical alterations in proteins, cholesterol, phospholipids and plasma beta lipoproteins have been observed. We studied two sibs, R.U. and R.R., with this disease and observed a striking increase in the variables mentioned above as well as a high LDL fraction with concomitant increase in apo B; increases in HDL3 and apo A-I and A-II levels were also observed. The lipoproteins, however, were not altered in morphology but showed a slight increase in lipid/protein ratio. Post-heparin lipolytic activity was normal in the male patient and reduced in the female while LCAT enzyme activity instead was increased in both. Fatty acids bound to phospholipids and serum cholesterol were mostly monounsaturated. Free fatty acid concentration was normal and they appeared mostly bound to the LDL and HDL3 fractions, which are increased in this disease and appear to replace albumin in one of its main carrier functions.
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Affiliation(s)
- G Baldo-Enzi
- Department of Internal Medicine, University of Padua
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