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https://www.readbyqxmd.com/read/28449514/left-ventricular-outflow-tract-obstruction-due-to-a-left-ventricular-myxoma-that-was-misidentified-as-an-accessory-mitral-valve-tissue
#1
Seung-Hoon Baek, Hee Young Kim, Hyae Jin Kim, Sang Wook Shin, Hye Jin Kim, Yun Mi Choi, Eun Ji Choi, Eunjung Chang, Hong-Sik Son
We report obstruction of the left ventricle outflow tract (LVOT) caused by cardiac myxoma that was misidentified as an accessory mitral valve tissue preoperatively. A 65-year-old woman presented with chest discomfort that persisted for 7 days. Transthoracic echocardiography (TTE) revealed a mobile, low-echogenic, balloon-shaped mass attached to the anterior mitral valve leaflet and papillary muscle, which was suspected to be an accessory mitral valve tissue. Because the mass caused LVOT obstruction and it could result in hemodynamic instability, emergency operation was performed...
March 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28442684/enhanced-trabeculectomy-the-moorfields-safer-surgery-system
#2
Peng Tee Khaw, Mark Chiang, Peter Shah, Freda Sii, Alastair Lockwood, Ashkan Khalili
Trabeculectomy with antifibrotic treatment is still the most popular incisional procedure for glaucoma filtration surgery (GFS) worldwide. The advent of antifibrotic agents reduced failure due to scarring but resulted in increased complications. Advances in trabeculectomy surgery have been driven by the need to minimise the risk of: (1) complications and (2) surgical failure. This chapter covers preoperative, intraoperative, and postoperative strategies, which improve the outcome of GFS. Strategies to reduce the risk of complications centre on the prevention of postoperative hypotony by minimising the risk of overdrainage, postoperative wound leaks, and poor bleb morphology...
2017: Developments in Ophthalmology
https://www.readbyqxmd.com/read/28349189/-level-iv-inferior-vena-cava-tumor-thrombus-a-rare-diagnosis-in-patients-with-renal-cell-carcinoma
#3
L Hofer, C Gasch, G Hatiboglu, J Motsch, C Grüllich, S Duensing, M Hohenfellner
Renal cell carcinoma in combination with a supradiaphragmatic tumor thrombus is a rare tumor entity. Radical surgery including nephrectomy and thrombectomy is still considered standard treatment. The extent of the tumor thrombus should be preoperatively evaluated by MRI and TEE. An interdisciplinary team is important for surgery planning and realization. Despite the known risks of an operation, a longer overall survival is achieved.
March 27, 2017: Der Urologe. Ausg. A
https://www.readbyqxmd.com/read/28323763/prospective-randomized-clinical-trial-investigating-the-effect-of-the-reamer-irrigator-aspirator-on-the-volume-of-embolic-load-and-respiratory-function-during-intramedullary-nailing-of-femoral-shaft-fractures
#4
Jeremy A Hall, Michael D McKee, Milena R Vicente, Zachary A Morison, Niloofar Dehghan, Christine E Schemitsch, Hans J Kreder, Brad Petrisor, Emil H Schemitsch
OBJECTIVES: We sought to determine whether the use of the Reamer-Irrigator-Aspirator (RIA) device resulted in a decreased amount of fat emboli compared with standard reaming (SR) when performing intramedullary (IM) nailing of femoral shaft fractures. DESIGN: Prospective randomized clinical trial. SETTING: Multi-centered trial, level I trauma centers. PATIENTS/PARTICIPANTS: All eligible patients who presented to participating institutions with an isolated femoral shaft fracture amenable to fixation with antegrade IM nailing...
April 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28268005/feasibility-of-intraoperative-water-testing-in-aortic-valve-repair-direct-visualization-from-left-ventricle-with-a-videoscope
#5
Shunsuke Miyahara, Takanori Oka, Hiroaki Takahashi, Takeshi Inoue, Masamichi Matsumori, Hiroshi Tanaka, Yutaka Okita
OBJECTIVE: We describe a simple method to assess the aortic valve using a videoscope inserted in the left ventricle (LV-VS) during valve-sparing root replacement. The aim of this study was to evaluate the feasibility of this technique by comparing it with the findings of postoperative transesophageal echocardiography (TEE). METHODS: Thirty-six patients (29 male, mean age 45.4 ± 20.1 years) undergoing aortic root reimplantation were assessed intraoperatively with LV-VS...
February 10, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28121517/intramural-coronary-artery-in-truncus-arteriosus
#6
Arshid Mir, Harold M Burkhart, Kumar Ponniah, Kent Ward
Coronary artery anomalies are known to be associated with truncus arteriosus (common arterial trunk). Delineation of coronary anatomy preoperatively is important to avoid complications intraoperatively and postoperatively. We report the case of a 12-year-old boy with repaired truncus arteriosus who presented with moderate to severe truncal valve regurgitation and severe conduit stenosis. He was noted to have intramural left main coronary artery on a transesophageal echocardiogram performed preoperatively.
January 1, 2017: World Journal for Pediatric & Congenital Heart Surgery
https://www.readbyqxmd.com/read/27989057/ventricular-septal-defect-from-aortic-regurgitation-jet-lesion-in-aortic-valve-infective-endocarditis
#7
Sergiu Darabant, Shelby B Oberton, Luis P Roldan, Carlos A Roldan
Aortic valve infective endocarditis (IE) can be complicated with severe aortic regurgitation (AR) jet-related lesions such as vegetations, pseudoaneurysms, aneurysms or perforations on the anterior mitral leaflet. Herein is reported the case of a 69-year-old male with culture-negative aortic valve endocarditis complicated with aortic valve perforations resulting in severe and eccentric AR and an AR jet-related ventricular septal defect (VSD). Neither transthoracic echocardiography (TTE) nor two-dimensional transesophageal echocardiography (2D-TEE) were unable to clearly discriminate an aorto-right ventricular fistula from a VSD...
March 2016: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/27845607/establishment-and-observation-of-a-new-and-ideal-reversible-model-of-puuo
#8
Wei Zhu, Xi Zheng, Chunming Jiang, Haifeng Huang, Wei Wang, He Liu, Wei Jiang, Lin Yang, Shengjie Zhang, Miao Zhang, Dalong Zhu, Xiang Yan
OBJECTIVE: We established a novel procedure to generate a reversible partial unilateral ureteral obstruction (PUUO) in rabbit. The method allows us to reliably measure the degree of ureteral obstruction in live animals, and thus could be a useful tool for studying kidney diseases. METHODS: Thirty rabbits of clean grade were divided randomly into sham control group and obstruction (PUUO) group. Each rabbit in this study received the same blocking surgery, in which the upper ureter was curvilinearly incised and inserted with two F6 ureteral catheters that were connected with a tee joint valve...
November 15, 2016: Renal Failure
https://www.readbyqxmd.com/read/27834450/echocardiographic-detection-of-left-ventricular-thrombus-in-patients-undergoing-heartmate-ii-left-ventricular-assist-device-implantation
#9
Heidi B Schubmehl, Vakhtang Tchantchaleishvili, Eugene Storoznsky, Jeffrey D Alexis, Leway Chen, Howard T Massey
PURPOSE: Transthoracic (TTE) and transesophageal echocardiograms (TEE) are considered accurate in detecting the presence of left ventricular (LV) thrombus. A persistent LV thrombus poses risks of pump thrombosis and stroke in LVAD recipients. The relationship between preoperative echocardiography and intraoperative findings at LVAD implantation has not previously been studied. METHODS: A retrospective review examined all patients undergoing LVAD placement or exchange from October 2011 to March 2014...
November 11, 2016: International Journal of Artificial Organs
https://www.readbyqxmd.com/read/27716695/variations-of-transesophageal-echocardiography-practices-in-india-a-survey-by-indian-college-of-cardiac-anaesthesia
#10
Deepak Prakash Borde, Antony George, Shreedhar Joshi, Suresh Nair, Thomas Koshy, Uday Gandhe, Murali Chakravarthy
CONTEXT: Use of perioperative transesophageal echocardiography (TEE) has expanded in India. Despite attempts to standardize the practice of TEE in cardiac surgical procedures, variation in practice and application exists. This is the first online survey by Indian College of Cardiac Anaesthesia, research and academic wing of the Indian Association of Cardiovascular Thoracic Anaesthesiologists (IACTA). AIMS: We hypothesized that variations in practice of intraoperative TEE exist among centers and this survey aimed at analyzing them...
October 2016: Annals of Cardiac Anaesthesia
https://www.readbyqxmd.com/read/27716083/intraoperative-echocardiographic-delineation-of-the-high-take-off-coronary-ostia-during-an-extensive-surgical-repair-of-the-bicuspid-aortic-valve-and-dilated-sinotubular-junction-a-case-report
#11
Hyun Ju Jung, Won-Kyoung Kwon, Sung Jun Lee, Nazri Mohamed, Bo-Mi Shin, Jinyoung Lee, Tae-Yop Kim
BACKGROUND: This study reports the efficacy of intraoperative transesophageal echocardiography (TEE) for evaluation of high take-off coronary ostia and proximal coronary arterial flows as an alternative to preoperative coronary angiography. CASE PRESENTATION: In a 65-year old male undergoing the bicuspid aortic valve (BAV) repair and the extensive remodeling of dilated sinus and tubular junction, and preoperative coronary angiography were unsuccessfully completed due to an allergic reaction to the contrast medium...
October 4, 2016: BMC Anesthesiology
https://www.readbyqxmd.com/read/27650342/the-role-of-transesophageal-echocardiography-in-aortic-surgery
#12
REVIEW
Martina Nowak-Machen
Aortic disease, when left untreated, is still associated with major morbidity and mortality. Aortic dissection and aortic aneurysm are the main reasons for performing aortic surgery procedures in the adult. Imaging techniques such as computed tomography and magnetic resonance imaging play a key role in the preoperative evaluation. Transesophageal echocardiography (TEE) has become a safe and invaluable perioperative imaging tool for aortic disease over the past decade with high sensitivity and specificity. TEE can increase patient safety and improve overall patient outcome in aortic surgery...
September 2016: Best Practice & Research. Clinical Anaesthesiology
https://www.readbyqxmd.com/read/27537503/the-value-of-3d-printing-models-of-left-atrial-appendage-using-real-time-3d-transesophageal-echocardiographic-data-in-left-atrial-appendage-occlusion-applications-toward-an-era-of-truly-personalized-medicine
#13
Peng Liu, Rijing Liu, Yan Zhang, Yingfeng Liu, Xiaoming Tang, Yanzhen Cheng
AIMS AND OBJECTIVES: The objective of this study was to assess the clinical feasibility of generating 3D printing models of left atrial appendage (LAA) using real-time 3D transesophageal echocardiogram (TEE) data for preoperative reference of LAA occlusion. BACKGROUND: Percutaneous LAA occlusion can effectively prevent patients with atrial fibrillation from stroke. However, the anatomical structure of LAA is so complicated that adequate information of its structure is essential for successful LAA occlusion...
August 19, 2016: Cardiology
https://www.readbyqxmd.com/read/27537190/transcatheter-mitral-valve-implantation-30-day-outcome-of-first-in-man-experience-with-an-apically-tethered-device
#14
Cesare Quarto, Simon Davies, Alison Duncan, Alistair Lindsay, Georg Lutter, Lucian Lozonschi, Neil Moat
OBJECTIVE: A small number of transcatheter mitral valve implants (TMVIs) have been reported using devices designed to treat secondary mitral regurgitation (MR). However, MR has many etiologies, and patients have a broad spectrum of annular size, geometry, and lesions. There are a number of technical challenges for TMVI including left ventricular outflow tract obstruction and paravalvular MR. Thirty days' outcome of first-in-man implants with a novel TMVI device is reported. METHODS: The Tendyne TMVI system consists of a porcine pericardial valve in a tethered nitinol frame...
May 2016: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/27495962/grading-aortic-stenosis-with-mean-gradient-and-aortic-valve-area-a-comparison-between-preoperative-transthoracic-and-precardiopulmonary-bypass-transesophageal-echocardiography
#15
George Whitener, Joseph Sivak, Igor Akushevich, Zainab Samad, Madhav Swaminathan
OBJECTIVE: The authors hypothesized that average precardiopulmonary bypass (pre-CPB) transesophageal echocardiographic (TEE) mean gradient (PGm) and aortic valve area (AVA) values would be significantly different from preoperative transthoracic (TTE) values in the same patients and that these changes would affect pre-CPB TEE grading of aortic stenosis (AS). DESIGN: Retrospective, observational design. SETTING: Single university hospital. PARTICIPANTS: The study comprised 92 patients who underwent aortic valve replacement with or without coronary artery bypass grafting between 2000 and 2012 at Duke University Hospital and who had PGm and AVA values recorded in both pre-CPB TEE and preoperative TTE reporting databases...
October 2016: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/27346682/the-resected-area-of-the-posterior-wall-of-the-external-auditory-canal-during-transcanal-endoscopic-ear-surgery-for-cholesteatoma
#16
Takao Imai, Suetaka Nishiike, Kazuo Oshima, Hidenori Tanaka, Yukinori Tsuruta, Yoichiro Tomiyama
OBJECTIVE: The aim of this study was to evaluate part of the area of the posterior wall of the external auditory canal (EAC) that is resected during transcanal endoscopic ear surgery (TEES) for cholesteatomas that extend to the mastoid cavity, and to determine whether TEES is a minimally invasive surgical procedure for cholesteatoma. METHODS: This was a retrospective study involving 25 patients with cholesteatoma that extended to the mastoid cavity, and who underwent surgery between October 2014 and October 2015...
April 2017: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/27242355/surgical-decision-making-in-aortic-prosthetic-valve-endocarditis-the-influence-of-electrocardiogram-gated-computed-tomography
#17
Erika Fagman, Agneta Flinck, Ulrika Snygg-Martin, Lars Olaison, Odd Bech-Hanssen, Gunnar Svensson
OBJECTIVES: The aim of this study was to investigate the value of electrocardiogram (ECG)-gated computed tomography (CT) in the surgical decision-making and preoperative evaluation in patients with aortic prosthetic valve endocarditis (PVE). METHODS: Sixty-eight prosthetic valves in 67 patients with aortic PVE were prospectively evaluated with ECG-gated CT and transoesophageal echocardiography (TEE). Imaging findings considered indications for surgery were as follows: (i) abscess/pseudoaneurysm formation; (ii) prosthetic valve dehiscence; (iii) valve destruction with valvular regurgitation; (iv) large vegetations (>1...
December 2016: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/27206420/effects-of-heparin-bridging-anticoagulation-on-perioperative-bleeding-and-thromboembolic-risks-in-patients-undergoing-abdominal-malignancy-surgery
#18
Kazumi Ono, Hidekuni Hidaka, Yusuke Koyama, Kenzo Ishii, Shinya Taguchi, Mako Kosaka, Nobuki Okazaki, Wakana Tanimoto, Akira Katayama
Recent publications provided controversial results indicating that perioperative heparin bridging anticoagulation (HBA) increased the bleeding risk without decreasing the thromboembolic risk in patients undergoing minor surgery. To investigate if this is also the case in high-risk patients undergoing major abdominal malignancy surgery, we retrospectively collected data of 3268 patients over a 10-year period. After the interruption of preoperative antithrombotic agents, HBA was initiated with a prophylactic-dose of unfractionated heparin in 133 patients (HBA group), and 62 patients did not receive HBA (non-HBA group)...
August 2016: Journal of Anesthesia
https://www.readbyqxmd.com/read/27188101/-thrombotic-and-bleeding-risks-of-patients-on-antiplatelet-therapy-undergoing-major-abdominal-malignancy-surgery
#19
Kazumi Ono, Hidekuni Hidaka, Yusuke Koyama, Kenzou Ishii, Chiharu Tanaka, Shinya Taguchi, Nobuki Okazaki, Wakana Tanimoto, Akira Katayama
BACKGROUND: Controversies still exist whether to continue or withdraw aspirin (ASA) perioperatively. This study was performed to determine whether patients on preoperative antiplatelet therapy (APT) benefit from continuing ASA in terms of thrombotic and bleeding risk prevention. METHODS: Among 307 consecutive patients who were on APT preoperatively for the secondary prevention of cardiovascular disease and who underwent elective major abdominal malignancy surgery, 148 patients had all the preoperative APT withdrawn and the remaining 159 patients continued only ASA...
April 2016: Masui. the Japanese Journal of Anesthesiology
https://www.readbyqxmd.com/read/27128259/cardiac-emboli-documented-by-intraoperative-transesophageal-echocardiogram-during-administration-of-a-topical-hemostatic-agent-prior-to-pedicle-subtraction-osteotomy
#20
Neil L Duplantier, Michael Couch, Logan Emory, Joseph M Zavatsky
STUDY DESIGN: This is a case report. OBJECTIVE: Describe the occurrence of cardiac emboli recorded on transesophageal echocardiogram (TEE) after the injection of a topical hemostatic agent into a vertebra prior to performing a pedicle subtraction osteotomy (PSO). SUMMARY OF BACKGROUND DATA: Hemostasis during spinal surgery is critical for adequate visualization and to reduce the risk of perioperative complications. Adult spinal deformity surgery can involve performing PSOs which are useful in cases of fixed spinal deformities and are associated with increased blood loss secondary to epidural and cancellous bleeding...
May 2016: Spine
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