Amerigo Ferrari

Dr. Amerigo Ferrari

orcid

Research Focus & Metrics

Academic Career Length

6Years (2021-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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30 March 2021 in Frontiers in Endocrinology
Verified
Journal Article
Open access
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MMMaria Magdalena Montt-Guevara
Maria Magdalena Montt-Guevara
MFMichele Finiguerra
Michele Finiguerra
IMIlaria Marzi
Ilaria Marzi
TFTiziana Fidecicchi
Tiziana Fidecicchi
AFAmerigo Ferrari
Amerigo Ferrari
TSTommaso Simoncini
Tommaso Simoncini
D-Chiro-Inositol (D-Chiro-Ins) is a secondary messenger in the insulin signaling pathway. D-Chiro-Ins modulates insulin secretion, the mitochondrial respiratory chain, and glycogen storage. Due to these actions D-Chiro-Ins has been proposed to correct defective insulin function in a variety of conditions characterized by metabolic dysfunction, such as polycystic ovary syndrome (PCOS), obesity, gestational diabetes and fat accumulation at menopause. Since it is unclear whether D-Chiro-Ins directly acts on adipocytes, we aimed to study D-Chiro-Ins’s actions on adipocyte viability, proliferation, differentiation, and insulin-related protein expression using a human adipocyte cell line derived from Simpson–Golabi–Behmel Syndrome (SGBS) which fully differentiates to mature adipocytes. Throughout differentiation, cells were treated with D-Chiro-Ins, 17β-estradiol (E2) or Insulin. Cell viability and proliferation were not affected by D-Chiro-Ins, then D-Chiro-Ins promoted cell differentiation only during the final days of the process, while E2 enhanced it from the first phases. D-Chiro-Ins stimulated lipid storage and the production of big lipid droplets, thus reducing the content of free fatty acids. We also found that D-Chiro-Ins, either alone or in combination with insulin and E2 increased the expression and activation of insulin receptor substrate-1 (IRS1) and glucose transporter type 4 (GLUT4). In conclusion, this work shows that D-Chiro-Ins plays a direct role in the differentiation and in the function of human adipocytes, where it synergizes with insulin and estrogen through the recruitment of signal transduction pathways involved in lipid and glucose storage. These findings give clear insights to better understand the actions of D-Chiro-Ins on fat metabolism in women in physiology and in a variety of diseases.

18 July 2023 in International Journal of Gynecology & Obstetrics
Verified
Journal Article
Open access
AFAmerigo Ferrari
Amerigo Ferrari
PMPaolo Mannella
Paolo Mannella
ACAlessia Caputo
Alessia Caputo
TSTommaso Simoncini
Tommaso Simoncini
MBManila Bonciani
Manila Bonciani
Objective: To investigate the epidemiology of pregnancy‐related urinary incontinence (UI) and the related risk factors, focusing also on women's characteristics related to maternity pathway utilization.Methods: In this prospective cohort study, we used patient‐reported data obtained from the systematic survey on the maternity pathway that all pregnant women in Tuscany, Italy, can join. We selected 8410 women who completed—between March 2019 and November 2022—all five follow‐up questionnaires from the first trimester until 12 months postpartum, each including a UI‐specific patient‐reported outcome measure. We performed panel regression models to explore the related risk factors.Results: Prevalence of UI was 4.4% at the first trimester, 23.7% at the third trimester, and 15.6%, 12.6%, and 12.4% at 3, 6, and 12 months postpartum. UI occurrence and severity were higher in older, overweight/obese, and unemployed women. High‐risk pregnancy and discomfort during pregnancy were risk factors. Receiving a cesarean section reduced the risk, while spontaneous tears, episiotomy, and high birth weight increased it. Women who experienced delays in pregnancy examinations because of long waiting times and women who had planned pregnancy had a higher risk, while performing during‐pregnancy pelvic‐floor‐muscle training was protective.Conclusion: Besides confirming the classic risk and protective factors for UI, we also found novel determinants related to the proper maternity pathway utilization.

5 February 2022 in International Journal of Gynecology & Obstetrics
Verified
Journal Article
Open access
PDF file
AFAmerigo Ferrari
Amerigo Ferrari
MBManila Bonciani
Manila Bonciani
EREleonora Russo
Eleonora Russo
PMPaolo Mannella
Paolo Mannella
TSTommaso Simoncini
Tommaso Simoncini
MVMilena Vainieri
Milena Vainieri
Objective: To investigate prevalence and risk factors of pregnancy‐related urinary/fecal incontinence (UI/FI) in a large Italian population.Methods: This is a prospective cohort study analyzing patient‐reported outcome (PRO) measures obtained from the systematic longitudinal survey on the maternity pathway of Tuscany from March 2019 to April 2021. Four questionnaires were completed by 6023 women from the beginning of pregnancy until 6 months postpartum, each including two PRO measures—Wexner scale for FI and ICIQ‐SF for UI–, and questions investigating sociodemographic/clinical factors. After assessing UI/FI prevalence at each time‐point, we run panel regressions to explore the related risk factors.Results: Women reporting UI and FI were, respectively, 24.3% and 6.2% in the third trimester, and 12.6% and 4.2% 6 months postpartum. UI occurrence and severity were higher in highly educated, aged >30, and overweight/obese women. Spontaneous tears or episiotomy were risk factors for postpartum UI, while receiving cesarean‐section and performing pelvic‐floor‐muscle‐training during pregnancy were protective, mainly in specific groups. Finally, higher FI prevalence and severity emerged in overweight, aged >40, highly educated, non‐Italian women and in those undergoing tears.Conclusion: We employed PRO measures to investigate the epidemiology of pregnancy‐related UI/FI and detect the main risk groups. Pelvic‐floor‐muscle‐training may be recommended in women with peculiar sociodemographic/clinical features.

13 June 2024 in Healthcare
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Journal Article
Open access
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FPFrancesco Plotti
Francesco Plotti
GCGianna Barbara Cundari
Gianna Barbara Cundari
FFFernando Ficarola
Fernando Ficarola
Corrado TerranovaCorrado Terranova
Corrado Terranova
CNCarlo De Cicco Nardone
Carlo De Cicco Nardone
RARoberto Angioli
Roberto Angioli
The efficacy of hyaluronic acid instillations as therapy for patients with Interstitial Cystitis/Bladder Pain Syndrome (IC/BPS) has been demonstrated in some clinical studies, with response rates up to 70%. The aim of the study is to investigate the change in symptoms and quality of life in female patients with IC/BPS after intravesical instillations of hyaluronic acid used as first-line treatment. A retrospective single-center cohort study was conducted. Female patients, whose symptoms were compatible with the diagnosis of IC/BPS as defined by the International Continence Society, were treated with a variable number of intravesical instillations of a hyaluronic acid-based drug. Three validated questionnaires were administered by telephone to all patients, before the beginning of the treatment and 6 months after the last administration of the drug. A total of 50 patients with symptoms compatible with the diagnosis of IC/BPS were included in the study. The median number of instillations performed is 4. For all questionnaires, the median value was significantly reduced following treatment with intravesical instillations (p = 0.000). The present study has shown that intravesical hyaluronic acid treatment results in both statistically and clinically significant symptomatic improvement, thereby improving the quality of life of patients with IC/BPS.

7 March 2023 in BMJ Open
Verified
Journal Article
Open access
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AFAmerigo Ferrari
Amerigo Ferrari
AGAndrea Giannini
Andrea Giannini
CSChiara Seghieri
Chiara Seghieri
TSTommaso Simoncini
Tommaso Simoncini
MVMilena Vainieri
Milena Vainieri
Objectives To explore determinants of practice variation in both access, and quality and efficiency of surgical care for pelvic organ prolapse (POP). Design and setting A retrospective cohort study employing administrative health data from the Tuscany region, Italy. Participants All women over 40 years hospitalised for apical/multicompartmental POP reconstructive surgery (excluding anterior/posterior colporrhaphy without concomitant hysterectomy) from January 2017 to December 2019. Outcomes We first computed treatment rates just for women residing in Tuscany (n=2819) and calculated the Systematic Component of Variation (SCV) to explore variation in access to care among health districts. Then, using the full cohort (n=2959), we ran multilevel models for the average length of stay and reoperations, readmissions and complications, and computed the intraclass correlation coefficient to assess the individual and hospital determinants of efficiency and quality of care provided by hospitals. Results The 5.4-fold variation between the lowest-rate (56/100 000 inhabitants) and the highest-rate (302/100 000) districts and the SCV over 10% confirmed high systematic variation in the access to care. Higher treatment rates were driven by greater provisions of robotic and/or laparoscopic interventions, which showed highly variable usage rates. Both individual and hospital factors influenced quality and efficiency provided by hospitals, but just low proportions of variation were explained by hospital and patient characteristics. Conclusions We found high and systematic variation in the access to POP surgical care in Tuscany and in quality and efficiency provided by hospitals. Such a variation may be mainly explained by user and provider preferences, which should be further explored. Also, supply-side factors may be involved, suggesting that wider and more uniform dissemination of robotic/laparoscopic procedures may reduce variation.

11 January 2023 in The European Journal of Health Economics
Verified
Journal Article
Open access
PDF file
AFAmerigo Ferrari
Amerigo Ferrari
CSChiara Seghieri
Chiara Seghieri
Andrea GianniniAndrea Giannini
Andrea Giannini
PMPaolo Mannella
Paolo Mannella
TSTommaso Simoncini
Tommaso Simoncini
MVMilena Vainieri
Milena Vainieri
Objective: The Italian healthcare jurisdiction promotes patient mobility, which is a major determinant of practice variation, thus being related to the equity of access to health services. We aimed to explore how travel times, waiting times, and other efficiency- and quality-related hospital attributes influenced the hospital choice of women needing pelvic organ prolapse (POP) surgery in Tuscany, Italy. Methods: We obtained the study population from Hospital Discharge Records. We duplicated individual observations (n = 2533) for the number of Tuscan hospitals that provided more than 30 POP interventions from 2017 to 2019 (n = 22) and merged them with the hospitals’ list. We generated the dichotomous variable “hospital choice” assuming the value one when hospitals where patients underwent surgery coincided with one of the 22 hospitals. We performed mixed logit models to explore between-hospital patient choice, gradually adding the women’s features as interactions. Results: Patient choice was influenced by travel more than waiting times. A general preference for hospitals delivering higher volumes of interventions emerged. Interaction analyses showed that poorly educated women were less likely to choose distant hospitals and hospitals providing greater volumes of interventions compared to their counterpart. Women with multiple comorbidities more frequently chose hospitals with shorter average length of stay. Conclusion: Travel times were the main determinants of hospital choice. Other quality- and efficiency-related hospital attributes influenced hospital choice as well. However, the effect depended on the socioeconomic and clinical background of women. Managers and policymakers should consider these findings to understand how women behave in choosing providers and thus mitigate equity gaps.