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and closure device

Antonio Vitarelli, Enrico Mangieri, Carlo Gaudio, Gaetano Tanzilli, Fabio Miraldi, Lidia Capotosto
PURPOSE: The purpose of this study was to examine right atrial (RA) function by two-dimensional (2DSTE) and three-dimensional (3DSTE) speckle-tracking echocardiography in patients with atrial septal defect (ASD) who had implantation of septal occluders and developed paroxysmal atrial fibrillation (PAF). METHODS: Seventy-three patients with hemodynamically significant secundum ASD were prospectively studied and followed up for six months after occluder insertion and compared with a normal age-matched group(n=73)...
August 17, 2018: Clinical Cardiology
Wen Jie Choy, Kevin Phan, Ashish D Diwan, Chon Sum Ong, Ralph J Mobbs
BACKGROUND: Lumbar intervertebral disc herniation is a common cause of lower back and leg pain, with surgical intervention (e.g. discectomy to remove the herniated disc) recommended after an appropriate period of conservative management, however the existing or increased breach of the annulus fibrosus persists with the potential of reherniation. Several prosthesis and techniques to reduce re-herniation have been proposed including implantation of an annular closure device (ACD) - Barricaid™ and an annular tissue repair system (AR) - Anulex-Xclose™...
August 16, 2018: BMC Musculoskeletal Disorders
G Douglass, A Arriola, I Heras, G Martin, E Le Coarer, S Gross, M J Withford
With the growing complexity of astronomical instruments devoted to interferometry, such as MATISSE (a 4 telescope beam combiner) or FIRST (a 9 sub-apertures beam combiner), and the rebirth of space projects such as LIFE (a mid-infrared interferometer), integrated optics devices can be an interesting and complementary approach for beam combination of a large number of apertures. Moreover, one of the approaches for beam combination is pairwise combination of the inputs (either from individual telescopes or from aperture masking on a single telescope), which scales as N(N-1)/2 for an N input system...
July 9, 2018: Optics Express
Susanne Jung, Christian Ott, Marina V Karg, Agnes Bosch, Michael Schmid, Christian Schlundt, Stephan Achenbach, Roland E Schmieder
OBJECTIVE: In patients with resistant hypertension, percutaneous placement of an iliac arteriovenous coupler device leads to a reduction of blood pressure (BP) via decreased total vascular resistance and improved arterial compliance. However, long-term efficacy and safety need to be further explored. We report on the first case of 3.5-year follow-up in a patient who underwent implantation of an iliac arteriovenous coupler device. RESULTS: A patient with resistant hypertension was admitted to hospital...
August 14, 2018: Journal of Hypertension
K Narang, A Krishan, B Pisavadia, A Wadood, M Budhoo, S Zaman
Inguinal hernia repair can be performed via either an open or laparoscopic technique. Use of a mesh to repair the abdominal wall defect is now common practice, leading to a reduction in hernia recurrence but also associated with a number of complications. We report a rare case of a 49-year old man who presented 3 years after laparoscopic hernia repair with right-sided abdominal pain and loose stools. Colonoscopy and computed tomography revealed a mesh and fixation devices within the lumen of the caecum and ascending colon...
August 16, 2018: Annals of the Royal College of Surgeons of England
Joshua Payne, Samuel Aznaurov, Sandeep Gautam
BACKGROUND: Figure-of-Eight sutures (F8S) have emerged as an alternative to the standard practice of manual compression to achieve venous hemostasis after catheter ablation for atrial fibrillation (AF). In lieu of a knot to secure the sutures in place, a three-way stopcock can be used that can be loosened or tightened as needed to achieve hemostasis and is easier to remove. The safety and effectiveness of this technique when compared to traditional F8S is unknown. In this case series, we sought to describe this stopcock closure technique (SC) and compare procedural characteristics and outcomes to traditional F8S...
August 14, 2018: Journal of Cardiovascular Electrophysiology
Kazunari Misawa, Takaki Yoshikawa, Seiji Ito, Haruhiko Cho, Yuichi Ito, Takashi Ogata
BACKGROUND: Duodenal stump fistula (DSF) after gastrectomy is of low frequency but a critical complication in gastric cancer surgery. Manual oversewing for reinforcement of the duodenal stump is not applicable when free longitudinal margin is short and has technical difficulties in laparoscopic surgery. This trial evaluated the safety and feasibility of using a linear stapler with bioabsorbable polyglycolic acid (PGA) sheet for duodenal stump closure and reinforcement in gastric cancer surgery...
August 13, 2018: World Journal of Surgery
Besma Sidia, Christian Saleh, Meidi El Issa, Marie-Luise Mono
Background: Recent randomized controlled trial (RCTs) comparing percutaneous closure with antithrombotic treatment in patients with patent foramen ovale (PFO) and cryptogenic stroke revealed inconsistent results. Indeed, there is still no consensus on the management of these patients, namely closure or medical therapy treatment. Methods: To take stock of the PFO management after cryptogenic stroke, we conducted a literature review that included 16 articles dealing with different therapeutic strategies and long-term outcomes of these results...
2018: Surgical Neurology International
Nasser A Alsobaie, Asma I Almohizea, Yahya Al-Zahrani, Rizwan Malik
Purpose: To report the effectiveness of Goniosynechialysis (GSL) treating elevated intraocular pressure (IOP) in an aphakic eye with peripheral anterior synechiae (PAS) formation after vitrectomy. Observations: A 39-year-old gentleman with history of lamellar keratoplasty for corneal ectasia and blunt trauma to the right eye necessitating vitrectomy and lensectomy presented to our glaucoma unit with a secondary angle closure and an IOP of 50 mmHg. This was successfully treated with GSL and one year after surgery, the patient maintains a normal IOP without the use of medication...
December 2018: American Journal of Ophthalmology Case Reports
Kouich Takamoto, Tsuyoshi Saitoh, Toru Taguchi, Hiroshi Nishimaru, Susumu Urakawa, Shigekazu Sakai, Taketoshi Ono, Hisao Nishijo
Previous research suggests that aging-related deterioration of oral functions causes not only eating/swallowing disorders but also various conditions such as sleep disorders and higher-order brain dysfunction. The aim of the present study was to examine the effects of lip closure training on eating behavior, sleep, and brain function in elderly persons residing in an elder care facility. The 20 elderly subjects (mean age, 86.3 ± 1.0 years) were assigned to a control group or a lip closure training (LCT) group, in which an oral rehabilitation device was used for daily LCT sessions over a 4-week period...
July 2018: Journal of Bodywork and Movement Therapies
Shaojie Chen, Felix K Weise, Kr Julian Chun, Boris Schmidt
Interventional left atrial appendage occlusion (LAAO) has emerged as a valid alternative to oral anticoagulation (OAC) therapy for the prevention of ischemic stroke and systemic embolism in patients with non-valvular atrial fibrillation (AF). Areas covered: Antithrombotic therapy following interventional LAAO is critical in balancing the risk of thromboembolism and bleeding during the endothelialization of the implanted devices. In this article, the most recent clinical trials are reviewed and the current real-world antithrombotic strategies following LAAO device implantation are discussed...
August 10, 2018: Expert Review of Cardiovascular Therapy
María Fernández-Ibieta
Case Report  An 11-month-old female infant presented on the first postoperative (PO) day following an elective pyeloplasty, a dark bluish erythema of her lumbotomy wound, plus a satellite lesion of the same characteristics. Fever and sepsis developed, and despite broad spectrum antibiotics (meropenem and vancomycin) were started, a diagnosis of necrotizing soft-tissue infection (NSTI or necrotizing fasciitis) was established. Surgical debridement of both lesions was performed on day 3 PO, and a surgical contamination (ring retractor blade) was suspected, due to the particular geography of the lesion...
July 2018: Surgery Journal
Young Jin Youn, Salman Khalid, Michael Azrin, Juyong Lee
Vascular closing devices (VCDs) are widely used to replace manual compression at the femoral puncture site and to reduce the discomfort of patients undergoing percutaneous coronary procedure by shortening bed rest. Among the vascular complications related to these devices, the femoral artery stenosis or occlusion is rarely reported, and its standard management is not well established. We report a case of symptomatic femoral artery stenosis caused by suture-mediated VCD and managed using rotational atherectomy device and balloon angioplasty...
August 9, 2018: Vascular and Endovascular Surgery
Devin Pappas, Zacharias Fthenakis, Inna Ponomareva
Piezoelectric and ferroelectric nanowires exhibit properties and phases that are not available in the bulk. They are extremely promising for functional nanoscale application. On the basis of atomistic first-principles-based simulations, we predict an all-mechanical polarization control in ferroelectric nanowires. We report that the application of uniaxial compressive stress to ferroelectric nanowires with poor surface charge compensation leads to a reversible phase switching between the polar phase with axial polarization and macroscopically nonpolar flux-closure phase...
August 8, 2018: Nano Letters
Ze-Wei Lin, Qiang Chen, Hua Cao, Gui-Can Zhang, Liang-Wan Chen, Qi-Liang Zhang, Zhi-Nuan Hong
BACKGROUND: The purpose of this study was to assess the short- and mid-term follow-up results of transthoracic device closure of perimembranous ventricular septal defect (pmVSD) in adults. METHODS: Sixty-one adults underwent transthoracic device closure of pmVSD at our institution from Jan. 2012 to Jan. 2016. All relevant clinical data were recorded and analyzed. All patients were invited to undergo contrast transthoracic echocardiography (TTE) for 12 months to 60 months after VSD closure...
June 14, 2018: Heart Surgery Forum
Kaveh Oraii Yazdani, Satoru Mitomo, Neil Ruparelia, Luciano Candilio, Francesco Giannini, Richard J Jabbour, Damiano Regazzoli, Patrizio Mazzone, Stefano Stella, Nicoleta Sora, Matteo Montorfano, Antonio Colombo, Azeem Latib
OBJECTIVE: To investigate the effect of left atrial appendage (LAA) occlusion device positioning upon periprocedural and long-term outcomes. BACKGROUND: The Amulet device is designed to cover the ostium of the LAA. Prolapse of the device into the neck of the LAA is not uncommon resulting in incomplete coverage of the ostium. The clinical consequences of this remain uncertain. METHODS: Outcomes of 87 patients with successful LAA closure were analyzed according to Amulet disc position: group A (n = 45) had complete LAA ostium coverage; group B (n = 42) had incomplete ostium coverage because of disc prolapse...
August 5, 2018: Catheterization and Cardiovascular Interventions
Wenxin Lu, Wenbin Ouyang, Shouzheng Wang, Yao Liu, Fengwen Zhang, Weiwei Wang, Xiangbin Pan
OBJECTIVE: To evaluate the feasibility, efficacy, and safety of a fully biodegradable poly lactic acid (PLA)-based occluder for atrial septal defect (ASD) closure in an animal model. METHODS: ASDs, approximately 12-mm in diameter, were generated in sheep (n = 18) by needle puncture and balloon dilatation. For ASD closure, occluders were implanted by percutaneous transcatheter approach under echocardiographic guidance. Outcomes were evaluated by transthoracic echocardiography, electrocardiography, blood testing, and histology within the follow-up period ranging from 1 month to 2 years...
August 5, 2018: Journal of Interventional Cardiology
Kunal Tewari, Vishal V Tewari, Subroto K Datta
Background and Aims: Several drug combinations have been tried in patients with acyanotic congenital heart disease (ACHD) undergoing transcatheter device closure in the cardiac catheterisation laboratory (CCL). Adequate sedation, analgesia, akinesia, cardiorespiratory stability, and prompt recovery are key requirements. Ketamine with propofol is used for this purpose. Dexmedetomidine carries a shorter recovery time. This study compared dexmedetomidine-propofol (DP) with ketamine-propofol (KP) in patients in the CCL...
July 2018: Indian Journal of Anaesthesia
Chitaru Kurihara, William E Cohn, Masashi Kawabori, Tadahisa Sugiura, Andrew B Civitello, Jeffrey A Morgan
Aortic valve insufficiency can be addressed during continuous-flow left ventricular assist device (CF-LVAD) implantation by performing aortic valve repair or replacement, or patch closure of the left ventricular outflow tract (LVOT). However, few studies have examined the safety of long-term CF-LVAD support after LVOT closure. From November 2003 through March 2016, 16 patients with advanced chronic heart failure underwent CF-LVAD implantation and concomitant LVOT closure for severe aortic insufficiency. We compared their long-term outcomes with those of 510 CF-LVAD recipients without concomitant LVOT closure...
August 2, 2018: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
Leonardo Marziale, Gioia Lucarini, Tommaso Mazzocchi, Emanuele Gruppioni, Simona Castellano, Angelo Davalli, Rinaldo Sacchetti, Donatella Pistolesi, Leonardo Ricotti, Arianna Menciassi
Urinary incontinence affects more than 300 million people worldwide. The implantation of a medical device called an artificial urinary sphincter (AUS) is the gold standard treatment when conservative and minimally invasive therapies fail. In this article, the AUSs (extra-urethral and endo-urethral sphincters) available on the market, both presented at the research level and filed as patents, are reviewed. The ability of the different solutions to effectively replace the natural sphincter are discussed, together with advantages and some possible side effects, such as tissue atrophy, overall invasiveness of the implant, and so forth...
August 3, 2018: Artificial Organs
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