#46
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Сергей, может мы чего не понимаем...
Надо дождаться специалистов - статистических магов. |
#47
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Цитата:
Цитата:
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#48
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Вроде ничего особо нового, но кажется полезным:
Цитата:
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Абугов Сергей Александрович. Российский Научный Центр Хирургии им. академика Б.В. Петровского. |
#49
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Хижина дяди Тома:
Цитата:
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Абугов Сергей Александрович. Российский Научный Центр Хирургии им. академика Б.В. Петровского. |
#50
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Meeting Report ESC Forum on Drug Eluting Stents
European Heart House, Nice, 27–28 September 2007 [Ссылки доступны только зарегистрированным пользователям ] Если не откроется [Ссылки доступны только зарегистрированным пользователям ] |
#51
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Уважаемый дмблок!
Если Вас не затруднит, выложите пожалуйста следующую статью: «J Am Coll Cardiol Intv, 2008; 1:351-357, doi:10.1016/j.jcin.2008.06.003 The "Crush" Technique for Coronary Artery Bifurcation Stenting: Insights From Micro-Computed Tomographic Imaging of Bench Deployments» |
#52
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Картинки забавные, но контрастный препарат еще лучше Uncommon variation in the papillary muscles presenting with ST elevation and T-wave inversion Chi Young Shim, Jong-Won Ha, Sung Jin Hong, Jinsun Kim, Eui-Young Choi, Namsik Chung, and Seung-Yun Cho* European Heart Journal 2008 29(21):2633 A 61-year-old woman was admitted for intermittent chest discomfort that had been present for 2 months. She was normotensive and denied any past history of medical illness. On physical examination, grade 2 systolic click murmur at the left ventricular (LV) apex was auscultated. A routine electrocardiogram (Panel A) revealed ST-segment elevation and T-wave inversion in V2 to V5 precordial leads with high voltage of QRS complex which made us suspect possible hypertrophic cardiomyopathy. Two-dimensional echocardiography showed no evidence of LV hypertrophy in all segments. However, unexpectedly, unusual structures of papillary muscles were detected. The papillary muscles were interlinked each others with numerous fine tendons and formed parallel arrangement without hypertrophies (Panel B). The anterior mitral leaflet was mildly prolapsed without significant mitral regurgitation. To clarify the structures of papillary muscles, perflurocarbon-exposed sonicated dextrose albumin (PESDA), a pulmonary circulation passing contrast agent, was injected via an antecubital vein. Contrast echocardiogram with PESDA showed contrast filling and opacification of the LV cavity showed more clearly the unusual variation of papillary muscles with four parallel bellies (Panel C). Coronary angiography showed no significant luminal narrowing (Panels D and E). A contrast-enhanced image obtained by magnetic resonance imaging showed consistent findings in structures (Panel F) and no delayed hyperenhancement of four papillary muscles, so there was no evidence of fibrosis in the papillary muscles (Panel G). This case illustrates that the variations of the papillary muscles should be considered for differential diagnosis of abnormal electrocardiographic findings such as ST elevation and T-wave inversion. |
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#53
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Цитата:
[Ссылки доступны только зарегистрированным пользователям ] |
#54
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Generic против Brand-Name Drugs
Clinical Equivalence of Generic and Brand-Name Drugs Used in Cardiovascular DiseaseA Systematic Review and Meta-analysis
Aaron S. Kesselheim, MD, JD, MPH; Alexander S. Misono, BA; Joy L. Lee, BA; Margaret R. Stedman, MPH; M. Alan Brookhart, PhD; Niteesh K. Choudhry, MD, PhD; William H. Shrank, MD, MSHS JAMA. 2008;300(21):2514-2526. Context Use of generic drugs, which are bioequivalent to brand-name drugs, can help contain prescription drug spending. However, there is concern among patients and physicians that brand-name drugs may be clinically superior to generic drugs. Objectives To summarize clinical evidence comparing generic and brand-name drugs used in cardiovascular disease and to assess the perspectives of editorialists on this issue. Data Sources Systematic searches of peer-reviewed publications in MEDLINE, EMBASE, and International Pharmaceutical Abstracts from January 1984 to August 2008. Study Selection Studies compared generic and brand-name cardiovascular drugs using clinical efficacy and safety end points. We separately identified editorials addressing generic substitution. Data Extraction We extracted variables related to the study design, setting, participants, clinical end points, and funding. Methodological quality of the trials was assessed by Jadad and Newcastle-Ottawa scores, and a meta-analysis was performed to determine an aggregate effect size. For editorials, we categorized authors' positions on generic substitution as negative, positive, or neutral. Results We identified 47 articles covering 9 subclasses of cardiovascular medications, of which 38 (81%) were randomized controlled trials (RCTs). Clinical equivalence was noted in 7 of 7 RCTs (100%) of β-blockers, 10 of 11 RCTs (91%) of diuretics, 5 of 7 RCTs (71%) of calcium channel blockers, 3 of 3 RCTs (100%) of antiplatelet agents, 2 of 2 RCTs (100%) of statins, 1 of 1 RCT (100%) of angiotensin-converting enzyme inhibitors, and 1 of 1 RCT (100%) of [Изображения доступны только зарегистрированным пользователям]-blockers. Among narrow therapeutic index drugs, clinical equivalence was reported in 1 of 1 RCT (100%) of class 1 antiarrhythmic agents and 5 of 5 RCTs (100%) of warfarin. Aggregate effect size (n = 837) was –0.03 (95% confidence interval, –0.15 to 0.08), indicating no evidence of superiority of brand-name to generic drugs. Among 43 editorials, 23 (53%) expressed a negative view of generic drug substitution. Conclusions Whereas evidence does not support the notion that brand-name drugs used in cardiovascular disease are superior to generic drugs, a substantial number of editorials counsel against the interchangeability of generic drugs. [Ссылки доступны только зарегистрированным пользователям ] |
#55
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Lower-than-expected bleeding in CABG patients taking clopidogrel within five days preop
[Ссылки доступны только зарегистрированным пользователям ]
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С уважением |
#56
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Sex Differences in Medical Care and Early Death After Acute Myocardial Infarction [Ссылки доступны только зарегистрированным пользователям ]
Hani Jneid, MD; Gregg C. Fonarow, MD; Christopher P. Cannon, MD et al. Background—Women receive less evidence-based medical care than men and have higher rates of death after acute myocardial infarction (AMI). It is unclear whether efforts undertaken to improve AMI care have mitigated these sex disparities in the current era. Methods and Results—Using the Get With the Guidelines–Coronary Artery Disease database, we examined sex differences in care processes and in-hospital death among 78 254 patients with AMI in 420 US hospitals from 2001 to 2006. Women were older, had more comorbidities, less often presented with ST-elevation myocardial infarction (STEMI), and had higher unadjusted in-hospital death (8.2% versus 5.7%; P<0.0001) than men. After multivariable adjustment, sex differences in in-hospital mortality rates were no longer observed in the overall AMI cohort (adjusted odds ratio [OR]=1.04; 95% CI, 0.99 to 1.10) but persisted among STEMI patients (10.2% versus 5.5%; P<0.0001; adjusted OR=1.12; 95% CI, 1.02 to 1.23). Compared with men, women were less likely to receive early aspirin treatment (adjusted OR=0.86; 95% CI, 0.81 to 0.90), early beta-blocker treatment (adjusted OR=0.9; 95% CI, 0.86 to 0.93), reperfusion therapy (adjusted OR=0.75; 95% CI, 0.70 to 0.80), or timely reperfusion (door-to-needle time <30 minutes: adjusted OR=0.78; 95% CI, 0.65 to 0.92; door-to-balloon time <90 minutes: adjusted OR=0.87; 95% CI, 0.79 to 0.95). Women also experienced lower use of cardiac catheterization and revascularization procedures after AMI. Conclusions—Overall, no sex differences in in-hospital mortality rates after AMI were observed after multivariable adjustment. However, women with STEMI had higher adjusted mortality rates than men. The underuse of evidence-based treatments and delayed reperfusion among women represent potential opportunities for reducing sex disparities in care and outcome after AMI. (Circulation. 2008;118:000-000.)
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#57
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#59
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ST-Segment Recovery and Outcome After Primary Percutaneous Coronary Intervention
[Ссылки доступны только зарегистрированным пользователям ] |
#60
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то ли у них хирурги плохие, то ли очень хорошие рентгенхирурги, либо это действительно правда: 4-х летние результаты стентирования ствола ЛКА "дезами"...
[Ссылки доступны только зарегистрированным пользователям ] и через 4 года.... [Ссылки доступны только зарегистрированным пользователям ] источник - tctmd |