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- 저자 : Andreas Papadopoulos (검색결과 4 건)
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Andreas Papadopoulos,Konstantinos Palaiopanos,Athanasios P. Protogerou,George P. Paraskevas,Georgios Tsivgoulis,Marios K. Georgakis 대한뇌졸중학회 2020 Journal of stroke Vol.22 No.2
Background and Purpose Left ventricular hypertrophy (LVH) is associated with the risk of stroke and dementia independently of other vascular risk factors, but its association with cerebral small vessel disease (CSVD) remains unknown. Here, we employed a systematic review and meta-analysis to address this gap. Methods Following the MOOSE guidelines (PROSPERO protocol: CRD42018110305), we systematically searched the literature for studies exploring the association between LVH or left ventricular (LV) mass, with neuroimaging markers of CSVD (lacunes, white matter hyperintensities [WMHs], cerebral microbleeds [CMBs]). We evaluated risk of bias and pooled association estimates with random-effects meta-analyses. Results We identified 31 studies (n=25,562) meeting our eligibility criteria. In meta-analysis, LVH was associated with lacunes and extensive WMHs in studies of the general population (odds ratio [OR]lacunes, 1.49; 95% confidence interval [CI], 1.12 to 2.00) (ORWMH, 1.73; 95% CI, 1.38 to 2.17) and studies in highrisk populations (ORlacunes: 2.39; 95% CI, 1.32 to 4.32) (ORWMH, 2.01; 95% CI, 1.45 to 2.80). The results remained stable in general population studies adjusting for hypertension and other vascular risk factors, as well as in sub-analyses by LVH assessment method (echocardiography/electrocardiogram), study design (cross-sectional/cohort), and study quality. Across LV morphology patterns, we found gradually increasing ORs for concentric remodelling, eccentric hypertrophy, and concentric hypertrophy, as compared to normal LV geometry. LVH was further associated with CMBs in high-risk population studies. Conclusions LVH is associated with neuroimaging markers of CSVD independently of hypertension and other vascular risk factors. Our findings suggest LVH as a novel risk factor for CSVD and highlight the link between subclinical heart and brain damage.
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Extraperitoneal Spread of Anorectal Abscess: A Case Report and Literature Review
Papadopoulos S. Konstantinos,Dimopoulos Andreas,Kordeni Kleoniki,Filis Dimitrios 대한대장항문학회 2021 Annals of Coloproctolgy Vol.37 No.S
Supralevator abscess is a rare form of anorectal disease responsible for very rare but morbid manifestations, one of which is superior spread through fascial planes. We present a rare case of a spreading anorectal abscess in a patient who presented with only diffuse abdominal pain, and we review similar cases in the literature according to anatomical considerations, presentation, diagnostic procedures, and treatment options. We identified 7 previously reported cases of spreading anorectal abscesses. Most abscesses had a horseshoe morphology, and all patients presented or developed abdominal pain. All patients had perianal swelling and pain. Five out of 7 patients were previously mistreated. Only 2 abscesses spread through both the pre- and retroperitoneal planes. Abdominal pain is a dominant feature of extraperitoneal inflammation originating from anorectal abscesses. The absence of perianal signs is rare, and proper inspection of the patient along with the medical history can lead to quicker diagnosis and decisive treatment.
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Trimethylsulfonium Lead Triiodide: An Air-Stable Hybrid Halide Perovskite
Kaltzoglou, Andreas,Stoumpos, Constantinos C.,Kontos, Athanassios G.,Manolis, Georgios K.,Papadopoulos, Kyriakos,Papadokostaki, Kyriaki G.,Psycharis, Vasilis,Tang, Chiu C.,Jung, Young-Kwang,Walsh, Aro ACS AMERICAN CHEMICAL SOCIETY 2017 Inorganic Chemistry Vol.56 No.11
<P>We report on the synthesis, characterization, and optoelectronic properties of the novel trimethylsulfonium lead triiodide perovskite, (CH3)(3)SPbI3. At room temperature, the air-stable compound adopts a hexagonal crystal structure with a 1D network of face-sharing [PbI6] octahedra along the c axis. UV-vis reflectance spectroscopy on a pressed pellet revealed a band gap of 3.1 eV, in agreement with first-principles calculations, which show a small separation between direct and indirect band gaps. Electrical resistivity measurements on single crystals indicated that the compound behaves as a semiconductor. According to multi-temperature single-crystal X-ray diffraction, synchrotron powder X-ray diffraction, Raman spectroscopy, and differential scanning calorimetry, two fully reversible structural phase transitions occur at -5 and ca. -100 degrees C with reduction of the unit cell symmetry to monoclinic as temperature decreases. The role of the trimethylsulfonium cation regarding the chemical stability and optoelectronic properties of the new compound is discussed in comparison with APbI(3) (A = Cs, methylammonium, and formamidinium cation), which are most commonly used in perovskite solar cells</P>
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Cognitive Impairment and Dietary Habits Among Elders: The Velestino Study
Konstantinos Katsiardanis,Andreas-Antonios Diamantaras,Nick Dessypris,Theodoros Michelakos,Anastasia Anastasiou,Kalliopi-Penelopi Katsiardani,Prodromos Kanavidis,Fotios C. Papadopoulos,Christodoulos S 한국식품영양과학회 2013 Journal of medicinal food Vol.16 No.4
To investigate the association of dietary habits with cognitive function among elders (>65 years). Complete sociodemographic, dietary information, serum measurements, and Mini-Mental State Examination (MMSE) assessments were available for 237 elderly men and 320 women residing in Velestino, Greece (a rural Greek town). All models were adjusted for age, education, social activity, smoking, depression symptomatology (using the Geriatric Depression Scale), MedDietScore (range 0–55), and metabolic syndrome. About 49.8% men and 66.6% women had MMSE scores <24, with a mean MMSE score of 22.7±4.43 and 21.1±4.73, respectively. Adherence to the Mediterranean diet was moderate (mean MedDietScore of 34.1±3.25 in men and 35.1±2.48 in women). Indicative cognitive impairment (MMSE score <24) was positively associated with age and low education in women and with depressive symptoms, low education status, and low social activity in men. Adherence to the Mediterranean diet was positively associated with MMSE score in men (P=.02), but inversely associated in women (P=.04). Concerning the food groups studied, intake of pulses, nuts, and seeds was associated with lower likelihood of having MMSE score<24 in men (P=.04). Only the Mediterranean dietary pattern showed a significant association with MMSE score positive for cognitive impairment (i.e., protective in men, but not in women), while individual food groups or nutrients did not achieve significance. The latter findings support the role of whole diet in the prevention of mental disorders, and state a research hypothesis for a sex–diet interaction on cognitive function among elders.
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