Publications by authors named "Vito Angelo Giagulli"

Background: One hundred years have passed since the discovery of insulin, which is one of the most relevant events of the 20th century. This period resulted in extraordinary progress in the development of novel molecules to improve glucose control, simplify the insulin regimen, and ameliorate the quality of life. In late March 2024, the first once-weekly basal analog Icodec was approved for diabetes mellitus, generating high expectations.

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Background: The initial phases of the COVID-19 pandemic posed a real need for clinicians to identify patients at risk of poor prognosis as soon as possible after hospital admission.

Aims: The study aimed to assess the role of baseline anamnestic information, clinical parameters, instrumental examination, and serum biomarkers in predicting adverse outcomes of COVID-19 in a hospital setting of Internal Medicine.

Methods: Fifty-two inpatients consecutively admitted to the Unit of Internal Medicine "Baccelli," Azienda Ospedaliero - Universitaria Policlinico of Bari (February 1 - May 31, 2021) due to confirmed COVID-19 were grouped into two categories based on the specific outcome: good prognosis (n=44), patients discharged at home after the acute phase of the infection; poor prognosis, a composite outcome of deaths and intensive care requirements (n=8).

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Sarcopenia is an age-related clinical complaint characterized by the progressive deterioration of skeletal muscle mass and strength over time. Type 2 diabetes (T2D) is associated with faster and more relevant skeletal muscle impairment. Both conditions influence each other, leading to negative consequences on glycemic control, cardiovascular risk, general health status, risk of falls, frailty, overall quality of life, and mortality.

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Introduction: Erectile dysfunction (ED) represents the major cause of male sexual dysfunction, which is often associated with obesity, diabetes mellitus, atherosclerotic cardiovascular disease, and cigarette smoking. Peyronie's disease is a chronic disorder associated with irreversible fibrotic damage of the tunica albuginea leading to ED, painful erection, coital disturbance, and physical and social complaints. Both conditions are characterized by chronic inflammation, oxidative stress, and significant changes in intracavernous hydrodynamics.

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Dopamine regulates several functions, such as voluntary movements, spatial memory, motivation, sleep, arousal, feeding, immune function, maternal behaviors, and lactation. Less clear is the role of dopamine in the pathophysiology of type 2 diabetes mellitus (T2D) and chronic complications and conditions frequently associated with it. This review summarizes recent evidence on the role of dopamine in regulating insular metabolism and activity, the pathophysiology of traditional chronic complications associated with T2D, the pathophysiological interconnection between T2D and chronic neurological and psychiatric disorders characterized by impaired dopamine activity/metabolism, and therapeutic implications.

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Article Synopsis
  • Oxytocin (OT) is a hormone that helps with important things like breastfeeding and connecting with others, and it might also affect how we eat.
  • Research shows that OT affects parts of the brain that control eating, and giving OT to rats made them eat less and lose weight.
  • OT could help people with eating disorders by reducing hunger or, in some cases like anorexia, even making them want to eat more, but more studies are needed to understand how to use it effectively.
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The prevalence of hypothyroidism increases along with aging, resulting in one of the most common comorbidities among patients over 75 years. The leading causes of hypothyroidism in older adults are iatrogenic, Hashimoto's thyroiditis, and medications. The narrative review aimed to discuss the clinical characteristics of hypothyroidism in older adults and the impact of hormonal replacement therapy on survival rates.

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Introduction: The pharmacological management of erectile dysfunction (ED) in type 2 diabetes (T2D) is challenging as ED has a multifactorial etiology. The therapeutic potential of certain antihyperglycemic medications, such as glucagon-like peptide 1 receptor agonists (GLP-1RAs), has yet to be entirely studied in this setting.

Material And Methods: A retrospective cohort study was conducted on 108 outpatients (median age 60 [56, 65] years) with T2D complaining of ED.

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Article Synopsis
  • Chronic stress can lead to serious health issues, including type 2 diabetes (T2D), by activating stress hormones and inflammatory responses that disrupt glucose and lipid metabolism.
  • This disruption contributes to insulin resistance and beta-cell destruction, which are crucial factors in the development of T2D.
  • Nutraceuticals, such as natural antioxidants and anti-inflammatory substances, may provide therapeutic benefits by targeting the neuro-endocrine-immune connections involved in stress-related diseases, but more research is needed to confirm their effectiveness and best use.
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Background: Erectile function depends on a complex interaction between demographic, metabolic, vascular, hormonal, and psychological factors that trigger erectile dysfunction (ED). In the present study we carried out a cross-sectional study assessing the impact of non-communicable chronic diseases (NCDs), male hypogonadism, and demographic factors in characterizing men with ED. Four hundred thirty-three consecutive outpatients with ED were extracted from the electronic database from January 2017 to December 2019.

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Background: Bone health relies on the equilibrium between resorption and new bone generation. Postmenopausal osteoporosis depends on estrogen deficiency which favorite bone resorption and elevated risk of fractures. Moreover, osteoporosis is characterized by a high release of proinflammatory cytokines suggesting the role of the immune system in the pathogenesis of this complex disease (immunoporosis).

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The thyroid gland requires iodine to synthesize thyroid hormones, and iodine deficiency results in the inadequate production of thyroxine and related thyroid, metabolic, developmental, and reproductive disorders. Iodine requirements are higher in infants, children, and during pregnancy and lactation than in adult men and non-pregnant women. Iodine is available in a wide range of foods and water and is susceptible to almost complete gastric and duodenal absorption as an iodide ion.

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Tirzepatide, a dual agonist of Glucose-Dependent Insulinotropic Polypeptide (GIP) and Glucagon-Like Peptide 1 (GLP-1) receptors, improved glucose control and reduced body weight in different therapeutic approaches. Herein, we overviewed the role of GIP and GLP-1 in the pathophysiology of type 2 diabetes and systematically reviewed the efficacy and safety of injectable incretin-based therapy added to basal insulin in light of the results of the SURPASS-5 trial. We identified eleven randomized clinical trials.

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Background: The prevalence of erectile dysfunction (ED) rises with the number and severity of chronic diseases.

Aims: This cross-sectional study assessed the frequency and severity of ED in patients with multiple chronic conditions.

Methods: The 5-item International Index of Erectile Function questionnaire (IIEF-5) was used to diagnose and classify ED.

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Background: Late-Onset Hypogonadism (LOH) is defined as a clinical and biochemical syndrome associated with advancing age. It is characterized by specific symptoms and less specific manifestations due to deficiency of serum testosterone (T) levels.

Objective: This review aims to summarize the evidence related to LOH definition, diagnostic approach, and treatment to answer a clinical question: "Is Testosterone the fountain of youth for aging men?".

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Background: Evidence shows that a low-grade inflammation sustains type 2 diabetes (T2D). Pancreatic macrophages release cytokines and chemokines that play a fundamental role in the pathophysiology of islet damage and destruction of beta-cells.

Methods: The authors discuss the main mechanism by which resident (pancreatic) and circulating macrophages regulate beta-cell development and survival in several scenarios, including T2D, type 1 diabetes mellitus, obesity, and insulin resistance.

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Obesity is a growing pandemic. Endocrine-disrupting chemicals are widespread in the environment. In this perspective, the authors examine the issue related to the exposure to several chemicals with endocrine-disrupting properties as promoting factors to obesity.

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Background: Sexual disorders are the most common clinical manifestations of hypogonadism. Functional hypogonadism is the most frequent form, and clomiphene citrate (CC) has been recently introduced as a possible off-label therapeutic option for these patients.

Objectives: This study aimed to evaluate the effects of CC on the overall sexual function in dysmetabolic obese men with low testosterone (T) levels.

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Background: In the first section of this review, we examined the neuroanatomical and neurochemical data on hunger and satiety centers, glucose receptors, sensorial influences on eating behavior, and regulation of energy requirements. The second section is devoted to orexigenic and anorexigenic hormones.

Objective: This paper aimed to overview and summarize data regarding the role of neuroendocrine regulation of food intake and eating behavior.

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Background: Foam cells, mainly derived from monocytes-macrophages, contain lipid droplets essentially composed of cholesterol in their cytoplasm. They infiltrate the intima of arteries, contributing to the formation of atherosclerotic plaques.

Pathogenesis: Foam cells damage the arterial cell wall via the release of proinflammatory cytokines, free radicals, and matrix metalloproteinases, enhancing the plaque size up to its rupture.

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Sodium appetite is an innate behavior occurring in response to sodium depletion that induces homeostatic responses such as the secretion of the mineralocorticoid hormone aldosterone from the zona glomerulosa of the adrenal cortex and the stimulation of the peptide hormone angiotensin II (ANG II). The synergistic action of these hormones signals to the brain the sodium appetite that represents the increased palatability for salt intake. This narrative review summarizes the main data dealing with the role of mineralocorticoid and ANG II receptors in the central control of sodium appetite.

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Patients with type 1 diabetes (T1D) are at risk of clinical eating disorders (EDs) and disordered eating behaviors (DEBs) than the general population. This burden is related mainly to diabetes-related physical and psychosocial issues especially beginning during childhood. DEBs must be investigated carefully and promptly managed in case of suspicion, as they can evolve into severe clinical EDs over time and are strictly related to poor outcomes.

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Chronic heart failure (CHF) leads to an excess of urgent ambulatory visits, recurrent hospital admissions, morbidity, and mortality regardless of medical and non-medical management of the disease. This excess of risk may be attributable, at least in part, to comorbid conditions influencing the development and progression of CHF. In this perspective, the authors examined and described the most common endocrine disorders observed in patients with CHF, particularly in individuals with reduced ejection fraction, aiming to qualify the risks, quantify the epidemiological burden and discuss about the potential role of endocrine treatment.

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A wealth of information suggests that hyperglycemia plays a paramount role in diabetes- related chronic complications. Notably, in Type 2 Diabetes Mellitus (T2DM), a persistent condition of hyperglycemia and altered insulin signaling seems to account for a status of chronic low-grade inflammation. This systemic inflammatory condition, in turn, depends on the profound impairment of the immune machinery, especially in some corporeal districts such as the adipose tissue, pancreatic islets, endothelia, and circulating leukocytes.

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