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Structural, electrical, and optical properties of inas[sub x]sb[sub 1 - x] epitaxial films grown by liquid-phase epitaxy

Fubao Gao, NuoFu Chen, X. W. Zhang, Yu Wang, Lei Liu et al. The InAsSb films were grown on (100) GaSb substrates by liquid-phase epitaxy, and their structural, electrical, and optical properties were investigated. The high-resolution x-ray diffraction results reveal that the single crystalline InAsSb films with a midrange composition are epitaxially grown on ... [J. Appl. Phys. 104, 073712 (2008)] published Thu Oct 2, 2008. (Source: Journal of Applied Physics)

Posterior fossa subdural hematoma and cephalhematoma

Normal term baby.Difficult ventouse delivery.Low Apgar scores.... (Source: Pediatric Radiology RSS News, Cases, Teaching Files and Publications)

 

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Acute simultaneous proximal occlusion of two major coronary arteries in acute myocardial infarction: successful treatment with percutaneous coronary intervention

Background:Acute myocardial infarction (AMI) due to acute simultaneous proximal occlusion of two major coronary arteries (ASOMC) is a rare but life-threatening situation. Most patients die suddenly or go into cardiogenic shock (CS). In patients with AMI due to ASOMC identified by coronary angiography (CA), percutaneous coronary intervention (PCI) performed in both infarct-related arteries (IRAs) at the same time as diagnostic CA is the fastest option to complete revascularization. However, no prospective studies regarding the outcome of such procedures have been published so far. Methods:In this prospective single-center study, between October 2004 and March 2007, consecutive patients with acute coronary syndrome (ACS) reporting to our university hospital and regional referral center were evaluated for ASOMC by means of emergent CA. When diagnosed with ASOMC, PCI of the IRAs was performed. Clinical data were obtained at baseline, discharge, after 6 months, and after 1 year. Results:Out of 417 patients with ACS, 379 patients (90.9%) suffered an AMI. In 5 patients CA revealed an ASOMC. PCI was performed in 4 patients. One patient with severe triple-vessel disease was referred for emergent coronary artery bypass graft (CABG) surgery after conventional PCI of one IRA. One patient died in-hospital due to early in-stent thrombosis after PCI. At 6-month follow-up and at 1-year follow-up, 4 patients were alive. Conclusion:In spite of the complex interventions, PCI patients had low in-hospital mortality and good clinical results at 1-year follow-up. Our observations are important in the clinical decision-making process of AMI due to ASOMC. (J Interven Cardiol 2008;**:1[ndash]10) (Source: Journal of Interventional Cardiology)

 

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Mammograms read by computers will boost cancer detection and reduce doctors' workload

A computer can safely replace a medical expert in a revolutionary way of interpreting a breast X-ray - according to a Cancer Research UK funded study. (Source: News-Medical News Feed)

 

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Thromboxane a2 levels predict no-reflow after percutaneous coronary intervention

Higher thromboxane A2 levels on hospital admission for ST-segment elevation myocardial infarction (STEMI) are associated with a greater likelihood of no-reflow after primary percutaneous coronary intervention (PCI), according to findings published in the August European Heart Journal. Reuters Health Information (Source: Medscape Pathology Headlines)

 

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Computers help docs spot breast cancer on x-rays

NEW YORK (AP) -- A computer is as good as a second pair of eyes for helping a radiologist spot breast cancer on a mammogram, one of the largest and most rigorous tests of computer-aided detection found.... (Source: AP Top Health News)

 

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Impact of complete revascularization with percutaneous coronary intervention on survival in patients with at least one chronic total occlusion

Aims
This study sought to determine the impact on survival of successful drug-eluting stent-supported percutaneous coronary intervention (PCI) for chronic total occlusion (CTO).

Methods and results
Comparison of long-term cardiac survival of consecutive patients who underwent PCI for at least one CTO and who were stratified into successful and failure procedures. From 2003 to 2006, 486 patients underwent PCI for 527 CTO. CTO–PCI was successful in 344 patients (71%) and 361 lesions (68%). Multivessel PCI was performed in 62% in the CTO–PCI failure group and in 71% in the CTO–PCI success group (P = 0.062). Cardiac survival rate was higher in the CTO–PCI success group compared with CTO–PCI failure group (91.6 ± 2.0 vs. 87.4 ± 2.9%; P = 0.025), in patients with multivessel disease and CTO–PCI success compared with CTO–PCI failure (91.4 ± 2.2 vs. 86.6 ± 3.1%; P = 0.021), and in patients with complete revascularization when compared to patients with incomplete revascularization (94.0 ± 1.7 vs. 83.8 ± 3.6%; P < 0.001).

Conclusion
Successful CTO–PCI confers a long-term survival benefit. Improvement in survival is driven by the differences in the outcome of patients with multivessel disease and who were completely revascularized. (Source: European Heart Journal)

 

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