Clinical Utility of Biplane and Real-time 3D Transoesophageal Echocardiography
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This article reports on the technical aspects of an online real‐time biplane transesophageal echocardiographic imaging system and of a single‐matrix, phased‐array transducer capable of transverse and longitudinal scanning.
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Seperti pada dewasa, teknik regional anestesi pada pediatrik kini makin popular digunakan oleh ahli anestesikarena keuntungannya. Namun demikian selalu ada risiko dan kemungkinan timbulnya komplikasi dari setiap tindakan yang dilakukan, termasuk tindakan anestesi regional pada pediatrik. Insidensi komplikasi anestesi regional pada pediatrik tidak banyak, dan kalaupun terjadi komplikasi adalah minor. Komplikasi bisa diakibatkan dari identifikasi ruang saraf, alat, obat, teknis tindakan anestesi regionalnya dan komplikasi lainnya.Walaupun tidak banyak kejadian komplikasi regional anestesi yang dilaporkan pada pediatrik, dan bukanlah komplikasi yang fatal, teknik regional anestesi pada pediatrik harus dilakukan dengan lebih hatihati, pertimbangan risiko dan keuntungannya untuk menghindari terjadinya komplikasi, terlebih karena kebanyakan komplikasi dapat dihindari dengan mempelajari teknik yang benar, menggunakan peralatan yang sesuai, dan sangat menerapkan prinsip keamanan pada pasien dengan baik.
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Genentech is partnering with the German cancer company Affimed to develop immunotherapies for multiple kinds of solid and blood cancers. Affimed is developing therapies that engage natural killer cells of the innate immune system to help direct them to attack cancer cells. Genentech will pay Affimed $96 million up front and up to $5 billion more in potential payments.
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Objective To evaluate the BiPlane for the quantification of mitral valve area(MVA) in patients with mitral stenosis(MS).Methods Thirty patients with MS were investigated in this study.MVA was calculated by BiPlane in operative.Results MVA in patients with MS measured by BiPlane correlated well with MVA by the(r=0.954),).MVA by BiPlane was slightly greater than the measurement within intraoperative(1.23 cm2 vs 1.20 cm2).Conclusions The BiPlane can easily and accurately acquire the optimal plane of smallest MVA.
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Mitral valve stenosis
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This study evaluates the feasibility of the combined use of an adult matrix probe with a real‐time biplane imaging system, and also describes the performance of a newly developed pediatric matrix probe. (ECHOCARDIOGRAPHY, Volume 8, November 1991)
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Matrix (chemical analysis)
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The nationally-recognized Susquehanna
Chorale will delight audiences of all
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musical level.AÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂA¢AÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂA Experience choral
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Image acquisition time and wall-motion score of conventional 2-dimensional (2D) dobutamine stress echocardiography (DSE) were compared with those of biplane and 3-dimensional (3D) DSE in 50 patients (age 67 +/- 13 years) with regular rhythms during clinically indicated DSE. Commercially available systems were used for the study. We used a conventional transducer for 2D and a matrix-array transducer (x4 or x3-1) for two biplane (60- and 120-degree) images and one 3D full-volume image. Image quality was scored as 1 = good; 2 = adequate; and 3 = inadequate. Segmental wall-motion scores for each method were analyzed in blinded fashion. Acquisition times of biplane (9.3 +/- 2.8 seconds) and biplane-guided 3D (additional 2.6 +/- 1.0 seconds) echocardiography were significantly shorter than those of conventional 2D DSE (60.0 +/- 26.7 seconds) (P < .001). Image quality was adequate or good in 94% for biplane and 96% for 3D echocardiography. Agreement of segmental wall-motion score was present in 87.6% of segments for 2D versus biplane and 85.9% for 2D versus 3D at baseline and in 88.0% for 2D versus biplane and 87.4% for 2D versus 3D at peak stress. Acquisition of biplane or biplane-guided 3D volumetric data during DSE with use of a new matrix-array transducer was feasible and shortened image acquisition time without affecting the diagnostic yield compared with conventional 2D imaging.
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