27 results on '"Sangiorgio G"'
Search Results
2. Hearing Loss and Oxidative Stress: A Comprehensive Review.
- Author
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Maniaci, A., La Via, L., Lechien, J. R., Sangiorgio, G., Iannella, G., Magliulo, G., Pace, A., Mat, Q., Lavalle, S., and Lentini, M.
- Subjects
TARGETED drug delivery ,DRUG delivery systems ,AUDITORY pathways ,OXIDATIVE stress ,REACTIVE oxygen species - Abstract
Hearing loss is a prevalent condition affecting millions of people worldwide. Hearing loss has been linked to oxidative stress as a major factor in its onset and progression. The goal of this thorough analysis is to investigate the connection between oxidative stress and hearing loss, with an emphasis on the underlying mechanisms and possible treatments. The review addressed the many forms of hearing loss, the role of reactive oxygen species (ROS) in causing damage to the cochlea, and the auditory system's antioxidant defensive mechanisms. The review also goes over the available data that support the use of antioxidants and other methods to lessen hearing loss brought on by oxidative stress. We found that oxidative stress is implicated in multiple types of hearing loss, including age-related, noise-induced, and ototoxic hearing impairment. The cochlea's unique anatomical and physiological characteristics, such as high metabolic activity and limited blood supply, make it particularly susceptible to oxidative damage. Antioxidant therapies have shown promising results in both animal models and clinical studies for preventing and mitigating hearing loss. Emerging therapeutic approaches, including targeted drug delivery systems and gene therapy, offer new possibilities for addressing oxidative stress in the auditory system. The significance of this review lies in its comprehensive analysis of the intricate relationship between oxidative stress and hearing loss. By synthesizing current knowledge and identifying gaps in understanding, this review provides valuable insights for both researchers and clinicians. It highlights the potential of antioxidant-based interventions and emphasizes the need for further research into personalized treatment strategies. Our findings on oxidative stress mechanisms may also affect clinical practice and future research directions. This review serves as a foundation for developing novel therapeutic approaches and may inform evidence-based strategies for the prevention and treatment of hearing loss, ultimately contributing to improved quality of life for millions affected by this condition worldwide. [ABSTRACT FROM AUTHOR]
- Published
- 2024
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3. P-094 FLAT PATCH MESH VERSUS THREE-DIMENSIONAL MESH (PLUG) FOR OPEN UMBILICAL OR EPIGASTRIC HERNIA REPAIR: A RETROSPECTIVE STUDY
- Author
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Sangiorgio, G, primary, Falzone, U, additional, Sapienza, E, additional, Lombardo, F M, additional, Zanghì, M, additional, Vacante, M, additional, and Zanghì, G, additional
- Published
- 2023
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4. Validazione della bioluminescenza: Metodo rapido da applicare al Controllo di Qualità nel settore farmaceutico oftalmico
- Author
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Marino, Andreana, Sangiorgio, G, Rizza, S, Falzone, D, Ceresa, L, and Bisignano, Giuseppe Giov.
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- 2007
5. Relationship between stage, site and morphological characteristics of pelvic endometriosis and pain
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Parazzini, F., Cipriani, S., Moroni, S., Crosignani, P. G., Ciavattini, A., Garzetti, G., Dolcetta, G., Scollo, M., Vicino, M., Loverro, G., Sabatelli, S., Decca, L., Falsetti, L., Giacomucci, E., Flamigni, C., Mais, V., Guerriero, S., Boscia, F., Sangiorgio, G., Scollo, P., Muriana, A., La Greca, M., Distefano, C., Belloni, C., Spolaor, L., Bianchi, A., Aretini, M., Franchini, M., Bracco, G. L., Coccia, M. E., Scarselli, G. F., Ciuffreda, F., Fiscella, C., Tinelli, F., Demarzi, C. A., Bianco, B., Iannelli, A., Radaelli, U., Meroni, N., Federici, D., Calia, C., Vercellini, P., Bertulessi, C., Hanozet, F., Busacca, M., Dal Pozzo, G., Pieroni, A., Lita, P., Bracciante, R., Baiocchi, G., Congiu, M. A., Fanfani, R., Sesti, F., Bonifacio, S., Porpora, M. G., Pittino, M., Del Frate, G., Dessole, S., Capobianco, G., Montanino Oliva, M., Primilerio, M., Micalef, S., Ansaldi, E., Massobrio, M., Guidetti, D., Rosati, M., Di Dionisio, A., Bracalente, G., Guaschino, S., Troiano, L., Francesco De Seta, Santuz, M., Petraglia, F., Canducci, E., Beretta, P., and Santo, D.
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Stage ,Endometriosis ,Pain ,Site ,Settore MED/40 - Ginecologia e Ostetricia - Published
- 2001
6. Effects of landing gear, speed brake and protuberances on the longitudinal aerodynamic characteristics of an NASA supercritical-wing research airplane model
- Author
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Bartlett, D. W and Sangiorgio, G
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Aerodynamics - Abstract
An investigation was conducted in the Langley Research Center 8-foot transonic pressure tunnel to determine the effects of the landing gear, speed brake and the major airplane protuberances on the longitudinal aerodynamic characteristics of an 0.087-scale model of the TF-8A supercritical-wing research airplane. For the effects of the landing gear and speed brake, tests were conducted at Mach numbers of 0.25 and 0.35 with a flap deflection of 20 degrees and a horizontal-tail angle of -10 degrees. These conditions simulated those required for take-off and landing. The effects of the protuberances were determined with the model configured for cruise (i.e., horizontal-tail angle of -2.5 degrees and no other control deflection), and these tests were conducted at Mach numbers from 0.50 to 1.00. The angle-of-attack range for all tests varied from about -5 degrees to 12 degrees.
- Published
- 1975
7. Stability and control characteristics of a monoplanar elliptic missile model at Mach numbers from 1.60 to 2.86
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Sawyer, W. C and Sangiorgio, G
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Aerodynamics - Abstract
An investigation was conducted of a monoplanar maneuverable missile concept having a nose forebody with a circular cross section and a centerbody and afterbody with elliptical cross sections. The tests involved several component changes and were conducted in the low Mach number test section of the Langley Unitary Plan wind tunnel at Mach numbers of 1.60, 2.16, and 2.86, at angles of attack ranging from -4 degs to 28 degs and at sideslip angles ranging from -4 degs to 8 degs. The most significant result was that at the highest Mach number (2.86), the configuration with the infrared nose produced nearly twice the axial force as the same configuration with the radar nose. The cranked wing had a destabilizing effect on the longitudinal stability and had no effect on the lateral-directional stability. The nose strakes had no effect longitudinally and were detrimental to the lateral-directional stability.
- Published
- 1979
8. Effects of stores on longitudinal aerodynamic characteristics of a fighter at supersonic speeds
- Author
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Dollyhigh, S. M, Sangiorgio, G, and Monta, W. J
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Aerodynamics - Abstract
Experimental investigations of single and twin stores representative of advanced, elliptical cross section missile concepts were made at Mach numbers from 1.60 to 2.16 to substantiate theoretically predicted results. The stores were mounted on the fuselage of a model representing a fighter configuration. Store base closure effects in the carriage condition were also obtained through tests with and without base closure fairings.
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- 1978
9. Longitudinal aerodynamic characteristics at Mach 0.60 to 2.86 of a fighter configuration with strut braced wing
- Author
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Dollyhigh, S. M, Monta, W. J, and Sangiorgio, G
- Subjects
Aerodynamics - Abstract
An investigation was made to determine the effects on longitudinal aerodynamic characteristics of utilizing struts to brace the wing to allow the wing thickness reduction on the LFAX-8 fighter configuration. Structural and load analysis indicated that the maximum airfoil thickness could be reduced from 4.5 to 3.1 percent with the strut brace concept. Wave drag theory indicated that reducing the wing maximum thickness from 4.5 percent to 3.1 percent would yield a significant reduction in zero-lift wave drag of about 28 percent at the design Mach number of 1.60. Strut arrangements designed and tested included, a single straight strut, a single swept strut, and a set of tandem straight struts. In addition, a wire of approximately the same cross sectional area replaced the single straight strut on one series of runs. The original LFAX-8 with the 4.5-percent-thick wing was retested to serve as a base line for this investigation.
- Published
- 1977
10. Influence of Single Nucleotide Polymorphisms on CRS Outcomes: A Preliminary Observational Study.
- Author
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Maniaci A, Bonacci P, Stefani S, Cocuzza S, Merlino F, Saibene AM, Sangiorgio G, Maza-Solano J, Lechien JR, La Mantia I, and Musso N
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- Humans, Female, Male, Prospective Studies, Middle Aged, Adult, Treatment Outcome, Chronic Disease, Interleukin-1alpha genetics, Endoscopy methods, Tumor Necrosis Factor-alpha genetics, Tumor Necrosis Factor-alpha antagonists & inhibitors, Genotype, Case-Control Studies, Nasal Polyps genetics, Nasal Polyps surgery, Nasal Polyps drug therapy, Polymorphism, Single Nucleotide, Antibodies, Monoclonal, Humanized therapeutic use, Rhinitis genetics, Rhinitis surgery, Rhinitis drug therapy, Sinusitis genetics, Sinusitis drug therapy, Sinusitis surgery
- Abstract
Objective(s): To conduct a preliminary investigation into the relationship between specific SNP variants, type II inflammation, and the effectiveness of dupilumab therapy and surgery in patients with CRS., Methods: In this prospective study, 48 subjects were enrolled, comprising 32 CRS patients and 16 healthy controls. The CRS patients were subjected to either dupilumab therapy or endoscopic surgery according to EPOS guidelines. SNP variants were identified using the TaqMan SNP genotyping technique. The identified SNP profiles were compared between the control group and CRS patients, and their potential influence on treatment outcomes was evaluated. Treatment responses were assessed based on symptom scores, such as SS-I, SNOT-22, disease progression using the NPS findings, and SNP profiles at a 6-month follow-up. The primary measures included the Nasal Polyp Score, Smell Identification Test (SIT) score, and SNOT-22 outcomes., Results: Dupilumab therapy and surgery significantly decreased NPS, with the last showing superior results. However, dupilumab therapy resulted in a significantly improved SIT score. Significant differences were observed in SNP profiles, particularly with rs1800629 (TNFA), rs2856838 (IL1a), rs17561 (IL1a), and rs1805011 (IL4R). In particular, the expression of rs2856838 and rs1805011 variants in the dupilumab group was associated with significantly better SIT and SNOT-22 outcomes than non-expressors. Also, the surgery group patients expressing the rs2856838 variant reported significant improvements in SNOT-22 scores., Conclusion: These preliminary findings suggest that SNP genotypes may guide personalized treatment strategies for CRS. Further larger prospective studies are required to confirm these initial observations., Level of Evidence: 2 Laryngoscope, 135:570-578, 2025., (© 2024 The American Laryngological, Rhinological and Otological Society, Inc.)
- Published
- 2025
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11. Acute suppurative thyroiditis in a child secondary to pyriform sinus fistula: From single case to systematic review.
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Di Nora A, Maniaci A, Pizzo F, Van Der Poel N, Smilari P, Cocuzza S, Spadaro G, Lentini M, Calvo-Henriquez C, Lechien JR, Campisi P, Parisi FM, Sangiorgio G, and Pavone P
- Subjects
- Humans, Child, Preschool, Tomography, X-Ray Computed, Anti-Bacterial Agents therapeutic use, Acute Disease, Fistula surgery, Male, Abscess therapy, Abscess surgery, Abscess etiology, Pharyngeal Diseases surgery, Pharyngeal Diseases diagnosis, Pharyngeal Diseases complications, Drainage methods, Pyriform Sinus abnormalities, Thyroiditis, Suppurative therapy, Thyroiditis, Suppurative diagnosis, Thyroiditis, Suppurative etiology
- Abstract
Acute suppurative thyroiditis (AST), a rare yet potentially life-threatening infection, comprises less than 1 % of neck pathologies and requires prompt treatment. Symptoms range from neck pain and fever to dysphagia and possible abscess formation. Broad-spectrum antibiotics are the primary treatment; however, surgical drainage may be necessary for abscesses to prevent systemic infection. Following acute management, identifying underlying anomalies such as branchial arch defects that predispose to recurrence is crucial. Diagnostic tools like barium swallow or transnasal fiberoptic laryngoscopy aid in this identification process. Recurrent AST or left-sided neck abscesses often prompt investigation for fourth branchial arch anomalies like pyriform sinus fistula, which may require surgical correction to prevent future infections. This paper presents the case of a 5-year-old with left torticollis, odynophagia, and fever, previously treated for a deep neck abscess with antibiotics. Ultrasound and CT scans revealed a left thyroid lobe abscess, confirmed by barium swallow to be associated with a pyriform sinus fistula. Supported by a literature review, this case highlights the importance of a systematic approach to AST management to guide clinicians in effectively treating this uncommon condition., Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2024 Elsevier B.V. All rights reserved.)
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- 2025
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12. Epidemiological and clinical characteristics of nontuberculous mycobacterial infections: A retrospective female cohort study in an Italian population.
- Author
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Marino A, Raddusa MSP, Gussio M, Sangiorgio G, Moscatt V, Libra A, Spampinato S, Bongiorno D, Cacopardo B, and Nunnari G
- Abstract
Objectives: This study aims to assess the characteristics and treatment outcomes of patients diagnosed with non-tuberculous mycobacteria (NTM) diseases at the Infectious Diseases Unit of ARNAS Garibaldi Hospital in Catania, Italy, focusing on demographics, clinical features, and treatment effectiveness., Methods: We conducted a retrospective observational study of 10 patients diagnosed with NTM diseases between 2019 and 2021. Data was collected from electronic medical records, including demographic information, comorbidities, treatment modalities, and outcomes. The study utilized descriptive statistics to analyze continuous and categorical variables. Treatment regimens were based on individual patient needs, incorporating a combination of antibiotics., Results: The median age of the patients was 55.44 years, all female, predominantly suffering from pulmonary NTM diseases. Mycobacterium intracellulare was the most common pathogen. Common comorbidities included COPD, bronchiectasis, GERD, and hypovitaminosis D. Patients showed symptoms like fever, cough, and asthenia. The treatment regimens were diverse, with macrolides, rifampicin, and ethambutol forming the core. Adverse effects were noted in 40 % of patients, including gastrointestinal and neurological disorders. All patients achieved microbiological cure, with 60 % showing clinical improvement and 36 % radiological improvement., Conclusion: The study highlights the complexity of diagnosing and treating NTM diseases, emphasizing the need for personalized treatment plans and vigilant monitoring of adverse effects. Despite achieving microbiological cure, challenges remain in achieving complete clinical and radiological resolution. Further research is needed to enhance the understanding and management of NTM diseases, particularly in diverse populations., Competing Interests: The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
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- 2024
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13. Does Indocyanine Green Utilization during Esophagectomy Prevent Anastomotic Leaks? Systematic Review and Meta-Analysis.
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Sozzi A, Bona D, Yeow M, Habeeb TAAM, Bonitta G, Manara M, Sangiorgio G, Biondi A, Bonavina L, and Aiolfi A
- Abstract
Background: Indocyanine Green (ICG) is a promising technique for the assessment of gastric conduit and anastomosis perfusion during esophagectomy. ICG integration may be helpful in minimizing the risk of anastomotic leak (AL). Literature evidence is sparse, while the real effect of ICG assessment on AL minimization remains unsolved. The aim of this systematic review and meta-analysis was to compare short-term outcomes between ICG-guided and non-ICG-guided (nICG) esophagogastric anastomosis during esophagectomy for cancer. Materials and Methods: PubMed, MEDLINE, Scopus, Web of Science, Cochrane Central Library, and ClinicalTrials.gov were queried up to 25 April 2024. Studies that reported short-term outcomes for ICG versus non-ICG-guided (nICG) anastomosis in patients undergoing esophagectomy were considered. Primary outcome was AL. Risk ratio (RR) and standardized mean difference (SMD) were utilized as effect size measures, whereas to assess relative inference we used 95% confidence intervals (95% CI). Results: Overall, 1399 patients (11 observational studies) were included. Overall, 576 (41.2%) underwent ICG gastric conduit assessment. The patients' ages ranged from 22 to 91 years, with 73% being male. The cumulative incidence of AL was 10.4% for ICG and 15.4% for nICG. Compared to nICG, ICG utilization was related to a reduced risk for postoperative AL (RR 0.48; 95% CI 0.23-0.99; p = 0.05). No differences were found in terms of pulmonary complications (RR 0.83), operative time (SMD -0.47), hospital length of stay (SMD -0.16), or 90-day mortality (RR 1.70). Conclusions: Our study seems to indicate a potential impact of ICG in reducing post-esophagectomy AL. However, because of limitations in the design of the included studies, allocation/reporting bias, variable definitions of AL, and heterogeneity in ICG use, caution is required to avoid potential overestimation of the ICG effect.
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- 2024
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14. Advancing Pathogen Identification: The Role of Digital PCR in Enhancing Diagnostic Power in Different Settings.
- Author
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Mirabile A, Sangiorgio G, Bonacci PG, Bivona D, Nicitra E, Bonomo C, Bongiorno D, Stefani S, and Musso N
- Abstract
Digital polymerase chain reaction (dPCR) has emerged as a groundbreaking technology in molecular biology and diagnostics, offering exceptional precision and sensitivity in nucleic acid detection and quantification. This review highlights the core principles and transformative potential of dPCR, particularly in infectious disease diagnostics and environmental surveillance. Emphasizing its evolution from traditional PCR, dPCR provides accurate absolute quantification of target nucleic acids through advanced partitioning techniques. The review addresses the significant impact of dPCR in sepsis diagnosis and management, showcasing its superior sensitivity and specificity in early pathogen detection and identification of drug-resistant genes. Despite its advantages, challenges such as optimization of experimental conditions, standardization of data analysis workflows, and high costs are discussed. Furthermore, we compare various commercially available dPCR platforms, detailing their features and applications in clinical and research settings. Additionally, the review explores dPCR's role in water microbiology, particularly in wastewater surveillance and monitoring of waterborne pathogens, underscoring its importance in public health protection. In conclusion, future prospects of dPCR, including methodological optimization, integration with innovative technologies, and expansion into new sectors like metagenomics, are explored.
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- 2024
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15. The Global Burden of Sepsis and Septic Shock.
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La Via L, Sangiorgio G, Stefani S, Marino A, Nunnari G, Cocuzza S, La Mantia I, Cacopardo B, Stracquadanio S, Spampinato S, Lavalle S, and Maniaci A
- Abstract
A dysregulated host response to infection causes organ dysfunction in sepsis and septic shock, two potentially fatal diseases. They continue to be major worldwide health burdens with high rates of morbidity and mortality despite advancements in medical care. The goal of this thorough review was to present a thorough summary of the current body of knowledge about the prevalence of sepsis and septic shock worldwide. Using widely used computerized databases, a comprehensive search of the literature was carried out, and relevant studies were chosen in accordance with predetermined inclusion and exclusion criteria. A narrative technique was used to synthesize the data that were retrieved. The review's conclusions show how widely different locations and nations differ in terms of sepsis and septic shock's incidence, prevalence, and fatality rates. Compared to high-income countries (HICs), low- and middle-income countries (LMICs) are disproportionately burdened more heavily. We talk about risk factors, comorbidities, and difficulties in clinical management and diagnosis in a range of healthcare settings. The review highlights the need for more research, enhanced awareness, and context-specific interventions in order to successfully address the global burden of sepsis and septic shock.
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- 2024
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16. Extracellular Vesicles and Immune System Function: Exploring Novel Approaches to Colorectal Cancer Immunotherapy.
- Author
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Biondi A, Vacante M, Catania R, and Sangiorgio G
- Abstract
This review explores the emerging role of extracellular vesicles (EVs) in modulating immune system function and their application in novel cancer immunotherapy strategies, with a focus on colorectal cancer (CRC). EVs, as carriers of bioactive molecules, have shown potential in enhancing immune responses and overcoming the limitations of traditional therapies. We discuss the biogenesis, types, and functional roles of immune cell-derived EVs, their interactions with cancer cells, and their implications in antitumor immunity. Challenges such as tumor heterogeneity and immune evasion are addressed, alongside the promising therapeutic prospects of EV-based strategies. This comprehensive analysis underscores the transformative potential of EVs in cancer treatment paradigms.
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- 2024
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17. Exploring the impact of cardiologists expertise on publication metrics.
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Mauro MS, Laudani C, Landolina D, Sangiorgio G, and Capodanno D
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- Humans, Bibliometrics, Publishing standards, Publications statistics & numerical data, Publications standards, Cardiologists standards, Cardiology
- Abstract
Background: In the field of academic cardiology, the assessment of an author's scholarly impact and professional progression heavily relies on publications and citations. This study investigates whether specific cardiology expertise correlates with accelerated professional growth., Methods: Using data from the 2023 European Society of Cardiology congress, 948 faculty attendees with an h-index of 30 or higher were analyzed. Expertises were categorized into six groups, and their association with publications and citations peaks was explored., Results: Interventional cardiologists exhibited the highest annual publication peak, followed by imaging and electrophysiology experts. However, no significant differences were observed in citation peaks among expertise groups. While imaging experts initially appeared to reach citation peaks faster, this effect diminished after statistical adjustments. Additionally, holding multiple expertise areas prolonged the time to reach publication and citation peaks by approximately six years., Conclusion: This study underscores the influence of expertise in interventional cardiology on publication peaks but suggests that citation peaks and career progression velocity remain unaffected by expertise type. Furthermore, it highlights that holding multiple areas of expertise slowers the attainment of career peak for scholarly authors., Competing Interests: Declaration of competing interest None., (Copyright © 2024 Elsevier B.V. All rights reserved.)
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- 2024
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18. The Impact of Enterococcus spp. in the Immunocompromised Host: A Comprehensive Review.
- Author
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Sangiorgio G, Calvo M, Migliorisi G, Campanile F, and Stefani S
- Abstract
The immunocompromised host is usually vulnerable to infectious diseases due to broad-spectrum treatments and immunological dysregulation. The Enterococcus genus consists of normal gut commensals, which acquire a leading role in infective processes among individuals with compromised immune systems. These microorganisms may express a potential virulence and resistance spectrum, enabling their function as severe pathogens. The Enterococcus spp. infections in immunocompromised hosts appear to be difficult to resolve due to the immunological response impairment and the possibility of facing antimicrobial-resistant strains. As regards the related risk factors, several data demonstrated that prior antibiotic exposure, medical device insertion, prolonged hospitalization and surgical interventions may lead to Enterococcus overgrowth, antibiotic resistance and spread among critical healthcare settings. Herein, we present a comprehensive review of Enterococcus spp. in the immunocompromised host, summarizing the available knowledge about virulence factors, antimicrobial-resistance mechanisms and host-pathogen interaction. The review ultimately yearns for more substantial support to further investigations about enterococcal infections and immunocompromised host response., Competing Interests: The authors declare no conflicts of interest.
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- 2024
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19. Pharmacological and clinical appraisal of factor XI inhibitor drugs.
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Occhipinti G, Laudani C, Spagnolo M, Finocchiaro S, Mazzone PM, Faro DC, Mauro MS, Rochira C, Agnello F, Giacoppo D, Ammirabile N, Landolina D, Imbesi A, Sangiorgio G, Greco A, and Capodanno D
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- Humans, Treatment Outcome, Risk Factors, Animals, Anticoagulants adverse effects, Anticoagulants therapeutic use, Risk Assessment, Thrombosis prevention & control, Factor XI antagonists & inhibitors, Hemorrhage chemically induced, Blood Coagulation drug effects
- Abstract
The evolution of anticoagulation therapy, from vitamin K antagonists to the advent of direct oral anticoagulants (DOACs) almost two decades ago, marks significant progress. Despite improved safety demonstrated in pivotal trials and post-marketing observations, persistent concerns exist, particularly regarding bleeding risk and the absence of therapeutic indications in specific subgroups or clinical contexts. Factor XI (FXI) has recently emerged as a pivotal contributor to intraluminal thrombus formation and growth, playing a limited role in sealing vessel wall injuries. Inhibiting FXI presents an opportunity to decouple thrombosis from haemostasis, addressing concerns related to bleeding events while safeguarding against thromboembolic events. Notably, FXI inhibition holds promise for patients with end-stage renal disease or cancer, where clear indications for DOACs are currently lacking. Various compounds have undergone design, testing, and progression to phase 2 clinical trials, demonstrating a generally favourable safety and tolerability profile. However, validation through large-scale phase 3 trials with sufficient power to assess both safety and efficacy outcomes is needed. This review comprehensively examines FXI inhibitors, delving into individual classes, exploring their pharmacological properties, evaluating the latest evidence from randomized trials, and offering insights into future perspectives., (© The Author(s) 2024. Published by Oxford University Press on behalf of the European Society of Cardiology.)
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- 2024
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20. Interactions of Gram-Positive Bacterial Membrane Vesicles and Hosts: Updates and Future Directions.
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Sangiorgio G, Nicitra E, Bivona D, Bonomo C, Bonacci P, Santagati M, Musso N, Bongiorno D, and Stefani S
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- Bacteria, Membranes, Cell Membrane, Lipid Bilayers metabolism, Gram-Positive Bacteria, Extracellular Vesicles metabolism
- Abstract
Extracellular vesicles (EVs) are lipid bilayers derived from cell membranes, released by both eukaryotic cells and bacteria into the extracellular environment. During production, EVs carry proteins, nucleic acids, and various compounds, which are then released. While Gram-positive bacteria were traditionally thought incapable of producing EVs due to their thick peptidoglycan cell walls, recent studies on membrane vesicles (MVs) in Gram-positive bacteria have revealed their significant role in bacterial physiology and disease progression. This review explores the current understanding of MVs in Gram-positive bacteria, including the characterization of their content and functions, as well as their interactions with host and bacterial cells. It offers a fresh perspective to enhance our comprehension of Gram-positive bacterial EVs.
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- 2024
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21. Postcholecystectomy syndrome: biliary-related complications.
- Author
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Sangiorgio G, Zanghì M, Dionigi G, and Zanghì G
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- Humans, Cholecystectomy adverse effects, Postcholecystectomy Syndrome diagnosis, Postcholecystectomy Syndrome etiology, Cholecystectomy, Laparoscopic adverse effects, Biliary Tract Diseases, Gallstones
- Abstract
In Italy, about 100,000 cholecystectomies are carried out annually, the majority of them laparoscopically. Complications following cholecystectomy are common and increase morbidity and cost burden. Biliary damage (0.08-0.5%), bile leak (0.42-1.1%), retained common bile duct stones (0.8-5.7%), postcholecystectomy syndrome (10-15%), and postcholecystectomy diarrhea (5-12%) are a few of the most often occurring laparoscopic cholecystectomy consequences. In many instances, endoscopy can offer conclusive management and is crucial for the identification and treatment of biliary problems. Regarding the ideal treatment strategy for biliary problems, there is no universal agreement. A skilled interdisciplinary team should therefore approach biliary problems. The surgeon must be knowledgeable on how to handle these issues.
- Published
- 2023
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22. Flat patch mesh versus three-dimensional mesh (plug) for open umbilical or epigastric hernia repair. A retrospective study.
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Sangiorgio G, Falzone U, Sapienza E, Lombardo FM, Saguto D, Tomasello G, Zanghì M, and Zanghì G
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- Humans, Herniorrhaphy methods, Retrospective Studies, Surgical Mesh adverse effects, Polypropylenes, Seroma epidemiology, Seroma etiology, Surgical Wound Infection epidemiology, Surgical Wound Infection etiology, Surgical Wound Infection prevention & control, Recurrence, Postoperative Complications epidemiology, Postoperative Complications etiology, Postoperative Complications surgery, Hernia, Umbilical surgery, Hernia, Ventral complications, Hernia, Abdominal surgery
- Abstract
Introduction: Hernia repair using prosthetic mesh materials has become the preferred method of repair, as the recurrence rates are much lower than with conventional repair techniques. The aim of this retrospective study was to compare open small- and medium-sized abdominal wall hernia repair with flat patch mesh versus three-dimensional mesh (plug) in terms of recurrence and complication rates., Methods: The medical records of 300 patients who underwent abdominal wall hernia repair using flat patch mesh versus three-dimensional mesh between January 2010 to December 2015 were reviewed. All patients were followed up after 1 month, 3 month and 1 year. The rate of recurrence, and short-term postoperative complications such as incidence of Surgical Site Infections (SSIs), hematoma and seroma were evaluated., Results: Short-term follow-up data were available for all patients. The first group was composed of 150 patients that were treated with a flat polypropylene mesh (68% presened umbilical hernia and 32% presented epigastric hernia). The second group was composed of 150 patients that were treated with a three-dimensional polypropylene mesh (60% presented umbilical hernia and 40% presented epigastric hernia). The majority of postoperative (1-month) complications were wound related, representing superficial SSI or seroma. Our results showed a statistically significant reduction of SSIs [3 (2%) vs 13 (8.6%); p = 0.038] and seroma [2 (1.3%) vs 12 (8%); p = 0.030] in the group of patients treated with plugs compared to flat-mesh group. There was no statistically significant difference in hernia recurrences., Discussion: Usage three-dimensional mesh for open small- and medium-sized umbilical or epigastric hernia repair represents a feasible and safe technique that significantly lowers the incidence of complications such as SSIs and seroma. Furthermore, compared to flat patch mesh, plugs displayed non-inferiority in terms recurrence. Further, well-designed clinical trials could be realized to investigate possible applications of plugs in treatment of small- and medium-sized umbilical and epigastric hernias., Key Words: Mesh, Umbilical Hernia.
- Published
- 2023
23. Oral and Parenteral vs. Parenteral Antibiotic Prophylaxis for Patients Undergoing Laparoscopic Colorectal Resection: An Intervention Review with Meta-Analysis.
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Sangiorgio G, Vacante M, Basile F, and Biondi A
- Abstract
This study aims to systematically assess the efficacy of parenteral and oral antibiotic prophylaxis compared to parenteral-only prophylaxis for the prevention of surgical site infection (SSI) in patients undergoing laparoscopic surgery for colorectal cancer resection. Published and unpublished randomized clinical trials comparing the use of oral and parenteral prophylactic antibiotics vs. parenteral-only antibiotics in patients undergoing laparoscopic colorectal surgery were collected searching electronic databases (MEDLINE, CENTRAL, EMBASE, SCIENCE CITATION INDEX EXPANDED) without limits of date, language, or any other search filter. The outcomes included SSIs and other infectious and noninfectious postoperative complications. Risk of bias was assessed using the Cochrane revised tool for assessing risk of bias in randomized trials (RoB 2). A total of six studies involving 2252 patients were finally included, with 1126 cases in the oral and parenteral group and 1126 cases in the parenteral-only group. Meta-analysis results showed a statistically significant reduction of SSIs (OR 0.54, 95% CI 0.40 to 0.72; p < 0.0001) and anastomotic leakage (OR 0.55, 95% CI 0.33 to 0.91; p = 0.02) in the group of patients receiving oral antibiotics in addition to intravenous (IV) antibiotics compared to IV alone. Our meta-analysis shows that a combination of oral antibiotics and intravenous antibiotics significantly lowers the incidence of SSI compared with intravenous antibiotics alone.
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- 2021
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24. Intracorporeal versus Extracorporeal Anastomosis for Laparoscopic Right Hemicolectomy: Short-Term Outcomes.
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Biondi A, Di Mauro G, Morici R, Sangiorgio G, Vacante M, and Basile F
- Abstract
Laparoscopic right hemicolectomy represents an effective therapeutic approach for right colon cancer (RCC). The primary aim of this study was to evaluate bowel function recovery, length of hospital stay, operative time, and the number of general and anastomosis-related postoperative complications from intracorporeal anastomosis (ICA) vs. extracorporeal anastomosis (ECA); the secondary outcome was the number of lymph nodes retrieved. This observational study was conducted on 108 patients who underwent right hemicolectomy for RCC; after surgical resection, 64 patients underwent ICA and 44 underwent ECA. The operative time was slightly longer in the ICA group than in the ECA group, even though the difference was not significant (199.31 ± 48.90 min vs. 183.64 ± 35.80 min; p = 0.109). The length of hospital stay (7.53 ± 1.91 days vs. 8.77 ± 3.66 days; p = 0.036) and bowel function recovery (2.21 ± 1.01 days vs. 3.45 ± 1.82 days; p < 0.0001) were significantly lower in the ICA group. There were no significant differences in postoperative complications (12% in ICA group vs. 9% in ECA group), wound infection (6% in ICA group vs. 7% in ECA group), or anastomotic leakage (6% in ICA group vs. 9% in ECA group). We did not observe a significant difference between the two groups in the number of lymph nodes collected (19.46 ± 7.06 in ICA group vs. 22.68 ± 8.79 in ECA group; p = 0.086). ICA following laparoscopic right hemicolectomy, compared to ECA, could lead to a significant improvement in bowel function recovery and a reduction in the length of hospital stay in RCC patients.
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- 2021
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25. Colorectal Cancer after Kidney Transplantation: A Screening Colonoscopy Case-Control Study.
- Author
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Privitera F, Gioco R, Civit AI, Corona D, Cremona S, Puzzo L, Costa S, Trama G, Mauceri F, Cardella A, Sangiorgio G, Nania R, Veroux P, and Veroux M
- Abstract
The incidence of colorectal cancer in kidney transplant recipients has been previously reported with conflicting results. In this study, we investigated if the incidence of colorectal advanced neoplasms in kidney transplant recipients, evaluated with screening colonoscopy, was higher than in healthy individuals. One-hundred sixty kidney transplant recipients undergoing screening colonoscopy were compared with 594 age- and sex-matched healthy individuals. Advanced colorectal neoplasia was found in 22 patients (13.7%), including four patients (2.5%) with colorectal cancer. Compared with the healthy population, kidney transplant recipients did not have an increased risk of developing a colorectal cancer (OR 0.69; 95% CI 0.236-2.063, p = 0.688) although it developed at a younger age. In contrast, kidney transplant recipients had a higher risk of developing an advanced adenoma compared with the control group (OR 1.65; 95% CI 0.930-2.981, p = 0.04). In conclusion, kidney transplant recipients did not have an increased incidence of colorectal cancer compared with healthy population. However, transplant patients displayed a higher incidence of colorectal adenomas, suggesting that screening colonoscopy in kidney transplant recipients should be expanded to include even younger recipients (<50 years old).
- Published
- 2021
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26. Acute abdominal pain in older adults: a clinical and diagnostic challenge.
- Author
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Sangiorgio G, Biondi A, Basile F, and Vacante M
- Subjects
- Abdomen, Acute etiology, Abdominal Pain drug therapy, Abdominal Pain mortality, Acute Disease, Aged, Aged, 80 and over, Aneurysm, Ruptured complications, Aneurysm, Ruptured diagnosis, Aortic Aneurysm, Abdominal complications, Aortic Aneurysm, Abdominal diagnosis, Appendicitis complications, Appendicitis diagnosis, Diagnosis, Differential, Emergency Service, Hospital, Female, Humans, Intestinal Obstruction complications, Intestinal Obstruction diagnosis, Male, Mesenteric Ischemia complications, Mesenteric Ischemia diagnosis, Sex Factors, Abdominal Pain etiology
- Abstract
Introduction: Abdominal pain (AP) is one of the most frequent clinical condition observed in elderly patients. The differential diagnosis is wide and definitive diagnosis is often difficult due to delayed symptoms, altered laboratory parameters, pre-existing medical disorders, abuse of drugs and in absence of an accurate medical history., Evidence Acquisition: A systematic literature review was carried out through PubMed database for studies published in the last ten years. The following search string was used: {("geriatric"[Title] OR "older"[Title] OR "aged"[Title] OR "elderly"[Title]) AND ((("abdomen"[Title] AND "acute"[Title]) OR "acute abdomen"[Title] OR ("acute"[Title] AND "abdomen"[Title])) OR ("abdominal"[Title] AND "pain"[title]) OR "abdominal pain"[Title])}. Full articles and abstracts were included. Case reports, commentaries, editorials and letters were excluded from the analysis., Evidence Synthesis: As the age of people presenting AP advances, both rates of surgical procedures and mortality rate increase., Conclusions: A systematic approach based on the organization of differential diagnoses into categories, may provide a helpful framework by the combined use of history-taking, physical examination, and results of diagnostic studies. In elderly patients admitted to the emergency department, a crucial role is played by a prompt use of radiological investigations in order to discriminate between older subjects admitted to the emergency department with abdominal pain and pathological cases requiring immediate surgical treatment.
- Published
- 2020
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27. Risk for zoonotic Salmonella transmission from pet reptiles: A survey on knowledge, attitudes and practices of reptile-owners related to reptile husbandry.
- Author
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Corrente M, Sangiorgio G, Grandolfo E, Bodnar L, Catella C, Trotta A, Martella V, and Buonavoglia D
- Subjects
- Animal Husbandry, Animals, Cross-Sectional Studies, Humans, Hygiene, Italy epidemiology, Pets, Salmonella isolation & purification, Salmonella Infections transmission, Salmonella Infections, Animal epidemiology, Surveys and Questionnaires, Zoonoses microbiology, Health Knowledge, Attitudes, Practice, Reptiles microbiology, Salmonella Infections prevention & control, Salmonella Infections psychology, Zoonoses prevention & control, Zoonoses psychology
- Abstract
Reptiles are becoming increasingly popular as pets. Those animals are reservoirs of a wide variety of Salmonella serotypes, that may be transmitted to warm-blooded animals, including humans. Accordingly, good hygiene practices related to husbandry are important for prevention of Reptile-associated salmonellosis (RAS). A cross-sectional study was conducted among reptile owners, by administration of a detailed questionnaire. In addition, the cloacal swabs of the sampled reptiles were screened for Salmonella spp. and the husbandry management practices were evaluated in order to assess any possible link between the presence of Salmonella spp. and the hygiene practices. The response rate to the questionnaire was 66.6% (100 out of 150 contacted owners). In 26 out of 100 families, members at risk of RAS (children and elderly) were present. One hundred animals were screened for the presence of Salmonella spp. The prevalence of Salmonella spp. carriers was 57% (Confidence interval 47-66%). Co-habitation of the animals with other reptiles in the same terrarium was associated with a 2-fold increase in the risk of infection by Salmonella spp.(Odds ratio=2.3, CI 1.2;13, p=0.02). Animals handled by owners that did not report washing their hands after the cleaning procedures or the handling were exposed to a 3-fold increase in the risk of infection (OR=3.1, CI 1.1;16, p=0.019). When drinking water was not replaced regularly, the animals were 7 times more exposed to infection (OR=6.8, CI 1.8;25, p=0.005). When the diet was constituted by rodents, 27 out of 48 reptiles (56.3%) were fed with live animals. In the present survey the typical reptile owner was a person, aware of ethological aspects of reptile husbandry but ignorant of some ethical recommendations and poorly informed about the health risks for himself and for the other family members. Prevention of RAS must rely mainly on information and education, with the veterinarian health bodies primarily involved in this difficult task., (Copyright © 2017 Elsevier B.V. All rights reserved.)
- Published
- 2017
- Full Text
- View/download PDF
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