scholarly journals Lung vessel volume evaluated with CALIPER software is an independent predictor of mortality in COVID-19 patients: a multicentric retrospective analysis

2022 ◽  
Author(s):  
Chiara Romei ◽  
Zeno Falaschi ◽  
Pietro S. C. Danna ◽  
Chiara Airoldi ◽  
Michele Tonerini ◽  
...  
Keyword(s):  
Retrospective Analysis ◽  
Independent Predictor ◽  
Vessel Volume

scholarly journals Prognostic importance of dispersion of interval Q-T electrocardiograms in patients with myocardial infarction

2006 ◽  
Vol 5 (1) ◽  
pp. 91-96
Author(s):  
A. T. Teplyakov ◽  
D. Yu. Kamaev ◽  
V. V. Kalyuzhin ◽  
Ye. Yu. Pushnikova ◽  
Ye. V. Kalyuzhina ◽  
...  
Keyword(s):  
Myocardial Infarction ◽  
Retrospective Analysis ◽  
Cardiac Rhythm ◽  
Independent Predictor ◽  
Heart Ventricles ◽  
Prognostic Importance

The aim of research was comparison of prognostic importance of various indexs non-homogeneousness of processes repolari-zations of heart ventricles registered in acute and subacute periods of myocardial infarction (MI). The retrospective analysis of med-ical histories has allowed to determine dynamics of dispersion of intervals Q-T, Q-Ta and R-Tm in groups of patients with fa-vourable (n = 125) and lethal (n = 250) outcome. The best prognostic importance concerning fatal cardial events have indexs cor-rected on frequency of cardiac rhythm. Most important and independent predictor of intrahospital cardial deaths of the patients with MI is a dispersion of the corrected interval R-Tm, exceeding 80 мс1/2 in the first 6 hours after hospitalization.

Early-Term Complications after Carotid Endarterectomy and Their Risk Factors: Eight-Year Employment of Local Treatment Protocol of a Russian High-Volume Center

2020 ◽  
pp. 1-12
Author(s):  
Denis Skrypnik ◽  
Roman Vinogradov ◽  
Coral Falco ◽  
Alexander Baryshev ◽  
Vladimir Porhanov
Keyword(s):  
Diabetes Mellitus ◽  
Risk Factors ◽  
Myocardial Infarction ◽  
Carotid Endarterectomy ◽  
Retrospective Analysis ◽  
Independent Predictor ◽  
Univariate Analysis ◽  
Local Treatment ◽  
Data Set ◽  
History Of

<b><i>Background:</i></b> More than 20,000 carotid endarterectomies are performed annually in the Russian Federation. Until now, no studies based on the national carotid data set have been published. The objectives of this study were to evaluate early outcomes after carotid endarterectomy and to identify potential risk factors for major adverse cardiovascular events. <b><i>Materials and Methods:</i></b> The retrospective analysis was based on data recorded in a single-center registry, including all carotid endarterectomies performed between 2010 and 2017. A univariate analysis was used to identify the risk factors for perioperative mortality, and predictors of stroke were determined using a multivariate logistic regression model. <b><i>Results:</i></b> Data from 1,832 patients with a mean age of 64.1 ± 7.6 years were analyzed. The combined in-hospital mortality was 0.65% (12/1,832). The rate of stroke was 0.7% (13/1,832), and the rate of myocardial infarction was 1.1% (20/1,832). The 30-day stroke-free survival was 99%. A history of stroke (<i>p</i> = 0.02) and chronic obstructive pulmonary disease (COPD; <i>p</i> = 0.0001) were found to be predictive of a lethal stroke. Previous myocardial infarction (<i>p</i> = 0.0001), an advanced stage of congestive heart failure (<i>p</i> = 0.0001), and angina pectoris (<i>p</i> = 0.01) were associated with cardiac-related mortality. Moreover, diabetes mellitus (<i>p</i> = 0.03), COPD (<i>p</i> = 0.0001), and carotid calcinosis (<i>p</i> = 0.006) increased the risk of poor survival due to myocardial infarction. The mean duration of clamping was found to be an independent predictor of any perioperative stroke (OR = 1.109; 95% CI 1.052–1.129; <i>p</i> &#x3c; 0.0001). <b><i>Conclusions:</i></b> The present retrospective analysis of the local carotid surgery register showed appropriate outcomes after CEA regarding the cumulative incidence of MACE, which is comparable to previously published international register data. A previous history of stroke, myocardial infarction, COPD, a prolonged clamping time during CEA, and diabetes mellitus were found to be factors of high-risk for cardiovascular mortality. A prolonged clamping was identified as an independent predictor of any stroke.

scholarly journals Postoperative Refraction in the Second Eye Having Cataract Surgery

2011 ◽  
Vol 2011 ◽  
pp. 1-6
Author(s):  
Christopher T. Leffler ◽  
Martin Wilkes ◽  
Juliana Reeves ◽  
Muneera A. Mahmood
Keyword(s):  
Linear Regression ◽  
Cataract Surgery ◽  
Retrospective Analysis ◽  
Independent Predictor ◽  
Rms Error ◽  
The Difference

Introduction. Previous cataract surgery studies assumed that first-eye predicted and observed postoperative refractions are equally important for predicting second-eye postoperative refraction. Methods. In a retrospective analysis of 173 patients having bilateral sequential phacoemulsification, multivariable linear regression was used to predict the second-eye postoperative refraction based on refractions predicted by the SRK-T formula for both eyes, the first-eye postoperative refraction, and the difference in IOL selected between eyes. Results. The first-eye observed postoperative refraction was an independent predictor of the second eye postoperative refraction () and was weighted more heavily than the first-eye predicted refraction. Compared with the SRK-T formula, this model reduced the root-mean-squared (RMS) error of the predicted refraction by 11.3%. Conclusions. The first-eye postoperative refraction is an independent predictor of the second-eye postoperative refraction. The first-eye predicted refraction is less important. These findings may be due to interocular symmetry.

Exploring the Potential Impact of Sentence-Level Comprehension and Sentence-Level Fluency on Deaf Students' Passage Comprehension

2020 ◽  
Vol 63 (7) ◽  
pp. 2281-2292
Author(s):  
Ying Zhao ◽  
Xinchun Wu ◽  
Hongjun Chen ◽  
Peng Sun ◽  
Ruibo Xie ◽  
...  
Keyword(s):  
Independent Predictor ◽  
Vocabulary Knowledge ◽  
Group Differences ◽  
Regression Analyses ◽  
Deaf Students ◽  
Mediating Role ◽  
Sentence Level ◽  
Mediating Mechanisms ◽  
Potential Impact ◽  
The Relationship

Purpose This exploratory study aimed to investigate the potential impact of sentence-level comprehension and sentence-level fluency on passage comprehension of deaf students in elementary school. Method A total of 159 deaf students, 65 students ( M age = 13.46 years) in Grades 3 and 4 and 94 students ( M age = 14.95 years) in Grades 5 and 6, were assessed for nonverbal intelligence, vocabulary knowledge, sentence-level comprehension, sentence-level fluency, and passage comprehension. Group differences were examined using t tests, whereas the predictive and mediating mechanisms were examined using regression modeling. Results The regression analyses showed that the effect of sentence-level comprehension on passage comprehension was not significant, whereas sentence-level fluency was an independent predictor in Grades 3–4. Sentence-level comprehension and fluency contributed significant variance to passage comprehension in Grades 5–6. Sentence-level fluency fully mediated the influence of sentence-level comprehension on passage comprehension in Grades 3–4, playing a partial mediating role in Grades 5–6. Conclusions The relative contributions of sentence-level comprehension and fluency to deaf students' passage comprehension varied, and sentence-level fluency mediated the relationship between sentence-level comprehension and passage comprehension.

Sound Production Treatment for Acquired Apraxia of Speech: An Examination of Dosage in Relation to Probe Performance

2020 ◽  
pp. 1-16
Author(s):  
Julie L. Wambaugh ◽  
Lydia Kallhoff ◽  
Christina Nessler
Keyword(s):  
Retrospective Analysis ◽  
Sound Production ◽  
Apraxia Of Speech ◽  
Practice Schedule ◽  
Practice Schedules ◽  
Baseline Performance ◽  
The Mean ◽  
Number Of Treatment ◽  
The Impact

Purpose This study was designed to examine the association of dosage and effects of Sound Production Treatment (SPT) for acquired apraxia of speech. Method Treatment logs and probe data from 20 speakers with apraxia of speech and aphasia were submitted to a retrospective analysis. The number of treatment sessions and teaching episodes was examined relative to (a) change in articulation accuracy above baseline performance, (b) mastery of production, and (c) maintenance. The impact of practice schedule (SPT-Blocked vs. SPT-Random) was also examined. Results The average number of treatment sessions conducted prior to change was 5.4 for SPT-Blocked and 3.9 for SPT-Random. The mean number of teaching episodes preceding change was 334 for SPT-Blocked and 179 for SPT-Random. Mastery occurred within an average of 13.7 sessions (1,252 teaching episodes) and 12.4 sessions (1,082 teaching episodes) for SPT-Blocked and SPT-Random, respectively. Comparisons of dosage metric values across practice schedules did not reveal substantial differences. Significant negative correlations were found between follow-up probe performance and the dosage metrics. Conclusions Only a few treatment sessions were needed to achieve initial positive changes in articulation, with mastery occurring within 12–14 sessions for the majority of participants. Earlier occurrence of change or mastery was associated with better follow-up performance. Supplemental Material https://doi.org/10.23641/asha.12592190

466: Age is an Independent Predictor of Bone Metastasis at Prostate Cancer Diagnosis

2007 ◽  
Vol 177 (4S) ◽  
pp. 156-156
Author(s):  
Andrea Salonia ◽  
Pierre I. Karakiewicz ◽  
Andrea Gallina ◽  
Alberto Briganti ◽  
Tommaso C. Camerata ◽  
...  
Keyword(s):  
Prostate Cancer ◽  
Bone Metastasis ◽  
Cancer Diagnosis ◽  
Independent Predictor ◽  
Prostate Cancer Diagnosis

667: The Positive Surgical Margin (SM) is no Independent Predictor for Biochemical Failure after Radical Prostatectomy (RRP)

2005 ◽  
Vol 173 (4S) ◽  
pp. 182-182
Author(s):  
Rein J. Palisaar ◽  
Joachim Noldus ◽  
Alexander Haese ◽  
Markus Graefen ◽  
Hartwig Huland
Keyword(s):  
Radical Prostatectomy ◽  
Independent Predictor ◽  
Surgical Margin ◽  
Biochemical Failure ◽  
Positive Surgical Margin
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