ELIZA

return kwic search for study aim out of >500 occurrences
45414 occurrences (No.1558 in the rank) during 5 years in the PubMed. [cache]

395) The study aim is to analyze the b-FMD variability during hospitalization in 50 patients admitted with TTC.

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PMID:29027587 DOI:10.1007/s00380-017-1062-8

2018 Heart and vessels

* Correlation between endothelial dysfunction and myocardial damage in acute phase of Tako-Tsubo cardiomyopathy: brachial flow mediated dilation as a potential marker for assessment of patient with Tako-Tsubo.

- Takotsubo cardiomyopathy (TTC) is characterized by transient systolic ventricular dysfunction. It is supposed to be caused by a cathecolaminergic wave which leads to myocardial stunning through a massive action on beta2-adrenoreceptor. Moreover, beta2-receptor hyperactivity negatively influences endothelial function. It can be detected by brachial flow mediated dilation (b-FMD) which assesses endothelium regulated vasomotility. The study aim is to analyze the b-FMD variability during hospitalization in 50 patients admitted with TTC. In addition, we investigated a possible correlation between b-FMD at admission and both length of hospital stay (LOHS) and troponin I peak. We detected b-FMD by measuring the hypoxic induced vasoreactivity through assessing brachial artery dilation after 5 min of iatrogenic ischemia obtained by inflating a sphygmomanometer cuff. Artery diameter modifications were assessed by high-resolution ultrasound, and a dedicated software calculated accurately the percentage of dilation after ischemia by comparing it to the basal. These values were measured at admission and on discharge. The obtained values were compared for each patient to explore their variability during hospitalization. Moreover, the correlation between the b-FMD at admission and both the troponin I peak and the LOHS was investigated. There was a statistical significant difference between mean FMD measured at admission and at discharge (respectively 1.54 ± 0.34 and 8.92 ± 2.48%; p < 0.001). Moreover, we found a significant negative correlation between troponin I peak and FMD values at admission (r = - 0.7645; p < 0.001) and a significant inverse correlation between FMD at admission and LOHS (r = - 0.7543; p < 0.001). There is a significant improvement of b-FMD during hospitalization in patients admitted for Tako-Tsubo Cardiomyopathy. Moreover, for the first time, a direct correlation among b-FMD, troponin I peak and LOHS has been detected.

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--- WordNet output for study --- =>1.〜を勉強[研究]する, 学ぶ, 調べる, 2.調査, 勉強, 3.書斎, 勉強する Overview of noun study The noun study has 10 senses (first 8 from tagged texts) 1. (90) survey, study -- (a detailed critical inspection) 2. (17) study, work -- (applying the mind to learning and understanding a subject (especially by reading); "mastering a second language requires a lot of work"; "no schools offer graduate study in interior design") 3. (6) report, study, written report -- (a written document describing the findings of some individual or group; "this accords with the recent study by Hill and Dale") 4. (6) study -- (a state of deep mental absorption; "she is in a deep study") 5. (6) study -- (a room used for reading and writing and studying; "he knocked lightly on the closed door of the study") 6. (3) discipline, subject, subject area, subject field, field, field of study, study, bailiwick -- (a branch of knowledge; "in what discipline is his doctorate?"; "teachers should be well trained in their subject"; "anthropology is the study of human beings") 7. (2) sketch, study -- (preliminary drawing for later elaboration; "he made several studies before starting to paint") 8. (1) cogitation, study -- (attentive consideration and meditation; "after much cogitation he rejected the offer") 9. study -- (someone who memorizes quickly and easily (as the lines for a part in a play); "he is a quick study") 10. study -- (a composition intended to develop one aspect of the performer's technique; "a study in spiccato bowing") Overview of verb study The verb study has 6 senses (first 6 from tagged texts) 1. (73) analyze, analyse, study, examine, canvass, canvas -- (consider in detail and subject to an analysis in order to discover essential features or meaning; "analyze a sonnet by Shakespeare"; "analyze the evidence in a criminal trial"; "analyze your real motives") 2. (17) study -- (be a student; follow a course of study; be enrolled at an institute of learning) 3. (15) study, consider -- (give careful consideration to; "consider the possibility of moving") 4. (13) learn, study, read, take -- (be a student of a certain subject; "She is reading for the bar exam") 5. (5) study, hit the books -- (learn by reading books; "He is studying geology in his room"; "I have an exam next week; I must hit the books now") 6. (2) study, meditate, contemplate -- (think intently and at length, as for spiritual purposes; "He is meditating in his study") --- WordNet end ---