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排序方式: 共有77条查询结果,搜索用时 15 毫秒
21.
Pulmonary Vein Isolation to Reduce Future Risk of Atrial Fibrillation in Patients Undergoing Typical Flutter Ablation: Results from a Randomized Pilot Study (REDUCE AF)
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SANGHAMITRA MOHANTY ANDREA NATALE PRASANT MOHANTY LUIGI DI BIASE CHINTAN TRIVEDI PASQUALE SANTANGELI RONG BAI J. DAVID BURKHARDT G. JOSEPH GALLINGHOUSE RODNEY HORTON JAVIER E. SANCHEZ PATRICK M. HRANITZKY AMIN AL‐AHMAD STEVEN HAO RICHARD HONGO SALWA BEHEIRY GEMMA PELARGONIO GIOVANNI FORLEO ANTONIO ROSSILLO SAKIS THEMISTOCLAKIS MICHELA CASELLA ANTONIO DELLO RUSSO CLAUDIO TONDO SANJAY DIXIT 《Journal of cardiovascular electrophysiology》2015,26(8):819-825
22.
P. K. GUPTA M. KANNAN T. CHATTERJEE A. DIXIT M. MAHAPATRA V. P. CHOUDHRY R. SAXENA 《Haemophilia》2006,12(4):452-455
Acquired von Willebrand syndrome (AVWS) is a rare and probably underestimated bleeding disorder which mimics most of the clinical symptoms and laboratory features of hereditary von Willebrand disease (VWD) in patients devoid of both personal and family history of bleeding diathesis. In this study, we present a case of 55 yrs male patient, presented with gastrointestinal bleeds since three years, diagnosed to have AVWS with inhibitors. From this study it is concluded that AVWS is rare and it is important to diagnose this bleeding disorder so that appropriate treatment with plasmapheresis and IV:Ig can effectively correct the haemostatic defect and manage severe bleeding in these patients. 相似文献
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Hemmung der Spermatogenese bei der Hausratte (Rattus rattus Rufescens) nach Applikation von alpha-Chlorohydrin
Die Langzeitapplikation von alpha-Chlorohydrin (25 mg/kg Körpergewicht) verursachte Schäden der Testes der Hausratte. Es zeigten sich degenerative Veränderungen der Keimzellen. Der Durchmesser der Tubuli seminiferi und der Kerndurchmesser der Leydigschen Zellen waren verringert. Die Zellhöhe der Nebenhodenzellen war beträchtlich vermindert. Das Lumen war frei von Spermatozoen.
Gaben von alpha-Chlorohydrin hemmten die Synthese von RNS, Eiweiß, Sialinsäure in den Hoden und akzessorischen Geschlechtsorganen. Das Gesamtcholesterin in den Testes war erhöht. Auffällig war die Verarmung der Nebennieren an Ascorbinsäure. Alpha-Chlorhydrin wirkt antagonistisch auf die stimulierende Wirkung des Testosterons bei kastrierten Hausratten. Alpha-Chlorohydrin kann als eine biologisch wirksame Verbindung betrachtet werden, um die Zahl der Hausratten in menschlichen Behausungen zu kontrollieren. Seine dosisabhängige Wirksamkeit wird diskutiert. 相似文献
Die Langzeitapplikation von alpha-Chlorohydrin (25 mg/kg Körpergewicht) verursachte Schäden der Testes der Hausratte. Es zeigten sich degenerative Veränderungen der Keimzellen. Der Durchmesser der Tubuli seminiferi und der Kerndurchmesser der Leydigschen Zellen waren verringert. Die Zellhöhe der Nebenhodenzellen war beträchtlich vermindert. Das Lumen war frei von Spermatozoen.
Gaben von alpha-Chlorohydrin hemmten die Synthese von RNS, Eiweiß, Sialinsäure in den Hoden und akzessorischen Geschlechtsorganen. Das Gesamtcholesterin in den Testes war erhöht. Auffällig war die Verarmung der Nebennieren an Ascorbinsäure. Alpha-Chlorhydrin wirkt antagonistisch auf die stimulierende Wirkung des Testosterons bei kastrierten Hausratten. Alpha-Chlorohydrin kann als eine biologisch wirksame Verbindung betrachtet werden, um die Zahl der Hausratten in menschlichen Behausungen zu kontrollieren. Seine dosisabhängige Wirksamkeit wird diskutiert. 相似文献
26.
Distinct Electrocardiographic Form of Idiopathic Ventricular Arrhythmia Originating From the Left Bundle Branch
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RAJEEV K. PATHAK M.B.B.S. Ph.D. BRIAN P. BETENSKY M.D. PASQUALE SANTANGELI M.D. Ph.D. SANJAY DIXIT M.D. 《Journal of cardiovascular electrophysiology》2017,28(1):115-119
Most premature ventricular contractions (PVCs) arise from the right or left ventricular outflow tract. Some VPCs originate near the His‐bundle region. However, there remains a paucity of information on PVCs originating directly from the cardiac conduction system. We describe 2 cases with idiopathic frequent PVCs that were mapped directly to the left bundle branch itself. We also provide an anatomic‐based mapping and ablation approach for management of these uncommon and challenging arrhythmias. In both cases we were able to either eliminate or significantly suppress the ectopic source by applying radiofrequency at this location without causing any significant impairment of the atrioventricular conduction. 相似文献
27.
Comparison of Left Atrial Bipolar Voltage and Scar Using Multielectrode Fast Automated Mapping versus Point‐by‐Point Contact Electroanatomic Mapping in Patients With Atrial Fibrillation Undergoing Repeat Ablation
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28.
DAVID KRUM M.S. JOHN HARE B.S. KASHEF MUGHAL B.S. MOHAMMAD R. JAZAYERI M.D. SANJAY DESHPANDE M.D. ANWER DHALA M.D. ZALMEN BLANCK M.D. MASOOD AKHTAR M.D. JASBIR SRA M.D. 《Journal of cardiovascular electrophysiology》1998,9(9):998-1003
Optimum Electrodes for Atrial Defibrillation. Introduction : High atrial defibrillation energy requirements (ADER) in patients with chronic atrial fibrillation (AF) may limit the acceptance of transvenous atrial defibrillation. We evaluated an optimized defibrillation electrode configuration that could help to reduce the ADKR in patients with AF.
Methods and Results : We tested ten different configurations in nine dogs with AF (3.33 ± 2.92 days) induced by rapid atrial pacing. The configurations were: right atrial (RA) appendage as anode und coronary sinus (CS) as cathode; RA and innominate vein (I) as anode to CS (cathode); RA-CS (anode) to I (cathode); I-CS (anode) to RA (cathode); RA and left lateral subcutaneous patch (P) as anode to CS (cathode); RA-CS (anode) to P (cathode); P-CS (anode) to RA (cathode); superior vena cava (SVC) and CS (anode) to RA (cathode); RA-CS (anode) to SVC (cathode); and RA-SVC (anode) to CS (cathode). ADER was defined as the voltage needed to defibrillate the atria in 10% to 90% of 20 consecutive shocks. Three lead systems had ADER lower than the RA (anode) to CS (cathode) configuration, which required a mean of 143 ± 58 volts. These three were: RA-SVC (anode) to CS (cathode) 103 ± 29 V; I-CS (anode) to RA (cathode) 129 ± 39 V; and P-CS (anode) to RA (cathode) 130 ± 38 V. The remaining configurations had ADER higher than the RA (anode) to CS (cathode) configuration.
Conclusion : Adding an additional shocking electrode may reduce ADER when compared with the RA (anode) to CS (cathode) configuration. This concept could he incorporated into future implantable atrial defibrillators or used for refractory patients undergoing temporary transvenous cardioversion. 相似文献
Methods and Results : We tested ten different configurations in nine dogs with AF (3.33 ± 2.92 days) induced by rapid atrial pacing. The configurations were: right atrial (RA) appendage as anode und coronary sinus (CS) as cathode; RA and innominate vein (I) as anode to CS (cathode); RA-CS (anode) to I (cathode); I-CS (anode) to RA (cathode); RA and left lateral subcutaneous patch (P) as anode to CS (cathode); RA-CS (anode) to P (cathode); P-CS (anode) to RA (cathode); superior vena cava (SVC) and CS (anode) to RA (cathode); RA-CS (anode) to SVC (cathode); and RA-SVC (anode) to CS (cathode). ADER was defined as the voltage needed to defibrillate the atria in 10% to 90% of 20 consecutive shocks. Three lead systems had ADER lower than the RA (anode) to CS (cathode) configuration, which required a mean of 143 ± 58 volts. These three were: RA-SVC (anode) to CS (cathode) 103 ± 29 V; I-CS (anode) to RA (cathode) 129 ± 39 V; and P-CS (anode) to RA (cathode) 130 ± 38 V. The remaining configurations had ADER higher than the RA (anode) to CS (cathode) configuration.
Conclusion : Adding an additional shocking electrode may reduce ADER when compared with the RA (anode) to CS (cathode) configuration. This concept could he incorporated into future implantable atrial defibrillators or used for refractory patients undergoing temporary transvenous cardioversion. 相似文献
29.
ROHIT GUPTA DEEPAK K AGARWAL GOUR D CHOUDHURI VIVEK A SARASWAT SANJAY S BAIJAL 《Journal of gastroenterology and hepatology》1998,13(10):1072-1073
Endoscopic sphincterotomy is the treatment of choice for patients with choledocholithiasis. Biliary ascariasis has been reported from many parts of the world but is common in Kashmir, India. We report five cases of biliary ascariasis of which four were the result of post-endoscopic sphincterotomy for choledocholithiasis. Therefore, biliary ascariasis is not an uncommon complication of endoscopic sphincterotomy. 相似文献
30.