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Jena valve

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https://www.readbyqxmd.com/read/26403870/transcatheter-valve-in-valve-therapy-using-6-different-devices-in-4-anatomic-positions-clinical-outcomes-and-technical-considerations
#1
Lenard Conradi, Miriam Silaschi, Moritz Seiffert, Edith Lubos, Stefan Blankenberg, Hermann Reichenspurner, Ulrich Schaefer, Hendrik Treede
OBJECTIVES: Transcatheter valve-in-valve implantation (ViV) is emerging as a novel treatment option for patients with deteriorated bioprostheses. We report our cumulative experience using 6 types of transcatheter heart valves (THVs) in all anatomic positions. METHODS: Seventy-five consecutive patients (74.1 ± 12.9 years, 50.7% male (38/75), logEuroSCORE I 26.2% ± 17.8%, STS-PROM 8.8% ± 7.4%) receiving ViV procedures from 2008 to 2014 were included for analysis...
December 2015: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/22585417/ontogeny-of-the-digestive-tract-in-butter-catfish-ompok-bimaculatus-bloch-larvae
#2
P K Pradhan, J K Jena, G Mitra, N Sood, E Gisbert
The ontogeny of the digestive tract was studied histologically in butter catfish Ompok bimaculatus from hatching to 30 days post-hatching (dph). At hatching, the digestive tract of butter catfish consisted of a straight tube with a smooth lumen dorsally attached to the yolk sac. Between 1 and 2 dph, the mouth opened, oral valves were visible and canine-like teeth and taste buds were detected. During this period, intestine was differentiated into the anterior and posterior intestine, and the digestive accessory glands were also developed...
December 2012: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/21807300/transcatheter-aortic-valve-implantation-transapical-step-by-step
#3
Thomas Walther, Helge Möllmann, Arnaud van Linden, Jörg Kempfert
Transcatheter aortic valve implantation (T-AVI) has been introduced into clinical practice to treat high-risk elderly patients with aortic stenosis. T-AVI can be performed by using a retrograde transfemoral (TF), transsubclavian, transaortic, and/or antegrade transapical (TA) approach. For TA-AVI, CE mark approval was granted in 2008 for the Edwards SAPIEN (Edwards Lifesciences, Irvine, CA) prosthesis with the Ascendra delivery system and in 2010 for the second-generation Edwards SAPIEN XT prosthesis and the Ascendra II delivery system, with 23-mm and 26-mm valves...
2011: Seminars in Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/12645748/valve-sparing-root-reduction-plasty-in-aortic-aneurysm-the-jena-technique
#4
Johannes M Albes, Thorsten Wahlers
Reconstruction of the aortic valve and replacement of the ascending aorta instead of use of a composite graft is the preferred method in patients, who demonstrate an ascending aneurysm accompanied by aortic root enlargement and aortic valve insufficiency with morphologically intact cusps. Two techniques inaugurated by David and Yacoub have gained widespread acceptance. However, both approaches are technically demanding. We present a simplified alternative technique for aortic valve reconstruction by means of a reduction plasty of the aortic root without the necessity of transection maneuvers...
March 2003: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/7929538/magnetic-resonance-imaging-mri-in-evaluation-of-left-atrial-masses-an-in-vitro-and-in-vivo-study
#5
D B Reddy, A Jena, P Venugopal
Thirty patients, 15 each of suspected of left atrial myxoma and clot were studied in a prospective study to assess the role of magnetic resonance imaging (MRI) in evaluation of left atrial masses. Upon clinical and echocardiographic suspicion of a left atrial mass, patients were subjected to ECG-gated MRI (in vivo study) and subsequently all of them underwent surgery for the removal of mass and/or mitral valve replacement/repair. Within 6 hours of its removal the mass was subjected to in vitro MRI study and subsequently to histopathological examination...
August 1994: Journal of Cardiovascular Surgery
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