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1.
Am J Cardiol ; 205: 63-68, 2023 10 15.
Article in English | MEDLINE | ID: mdl-37586123

ABSTRACT

Coronary artery ectasia (CAE) is defined as local or generalized aneurysmal dilatation of the coronary arteries. CAE likely represents an exaggerated form of excessive vascular wall remodeling in different clinical settings such as atherosclerosis, vasculitides, connective tissue disorders, hereditary collagen defects, bacterial infections, and congenital malformations. In the present case-control study, we investigated whether the incidental finding of CAE in patients who undergo coronary angiography is associated with presence of autoimmune reactivity. From 2019 to 2022, we identified all consecutive patients with CAE (n = 319) on elective or emergency coronary angiography (n = 7,458). We furthermore included 90 patients with nonectatic coronary arteries as a control group. Antinuclear antibody (ANA) titer was measured in both groups using the indirect immunofluorescence method from peripheral blood samples. The prevalence of CAE in our study cohort was 4.3%. Among patients with CAE (n = 319), presence of positive Antinuclear antibody (ANA) titer was identified in 128 patients (40%). Only 18 patients (20%) from the control group had positive ANA titer. There was a statistically significant greater percentage of patients with positive ANA titer among patients with CAE than among controls (chi-square = 12.39; p <0.001), with an odds ratio of 2.68. Among patients with CAE, there is an increased prevalence of positive ANA titer, suggesting an underlying autoimmune disease. Screening for autoimmune reactivity could be a reasonable diagnostic strategy in patients who undergo coronary angiography with an incidental finding of coronary ectasia because the number needed to screen for positive ANA titer in this subgroup of patients is only 5.


Subject(s)
Autoimmune Diseases , Coronary Aneurysm , Coronary Artery Disease , Humans , Dilatation, Pathologic/epidemiology , Coronary Vessels/diagnostic imaging , Case-Control Studies , Antibodies, Antinuclear , Cross-Sectional Studies , Coronary Aneurysm/epidemiology , Coronary Angiography/methods , Autoimmune Diseases/complications , Autoimmune Diseases/diagnosis , Autoimmune Diseases/epidemiology , Coronary Artery Disease/diagnostic imaging , Coronary Artery Disease/epidemiology
3.
AIDS Res Hum Retroviruses ; 36(7): 601-605, 2020 07.
Article in English | MEDLINE | ID: mdl-32295383

ABSTRACT

A significant progress has been made over the years in the prognosis and treatment of patients with early diagnosis of HIV infection. However, late presentation of a large number of patients remains a serious public health problem. The aim of our study is to highlight the dimensions of the problem by evaluating the data from the HIV Unit of Alexandroupolis, a rural region with population heterogeneity and a strategic position between West and East, Europe, and Asia. This was a retrospective study, including 107 patients diagnosed with HIV infection in our unit from 2010 to 2018. Late presenters (LP) were defined as patients diagnosed with a CD4 cell count <350/mm3 or an AIDS-defining condition regardless of CD4 cell count. The proportion of patients diagnosed late was 49.5%. The majority were males in the age group 31-40 years (41.5%). Men who had sex with men were 37.8%. Among LP, 34% were at Center for Disease Prevention and Control stage C3. The most common AIDS-defining condition observed was Pneumocystis jirovecii Pneumonia (15.1%), followed by esophageal candidiasis (7.5%) and cryptococcal meningitis (3.8%). In addition, immune reconstitution inflammatory syndrome was documented (3.8%). A high percentage of patients were also coinfected with hepatitis B (22.6%) virus. The notably high percentage of LP in our unit demonstrates that late presentation remains a challenge for public health. Further efforts must be made to ensure an early diagnosis of HIV infection. The early initiation of antiretroviral therapy is vital to reduce viral load to undetectable levels and the risk of HIV transmission.


Subject(s)
HIV Infections/diagnosis , HIV Infections/epidemiology , Adult , Age Factors , Aged , CD4 Lymphocyte Count , Delayed Diagnosis , Female , Greece/epidemiology , HIV Infections/complications , Hospitals, University , Humans , Male , Middle Aged , Pneumonia, Pneumocystis/diagnosis , Pneumonia, Pneumocystis/epidemiology , Pneumonia, Pneumocystis/etiology , Retrospective Studies , Risk Factors , Rural Population , Tertiary Care Centers , Viral Load , Young Adult
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