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Valve transplant

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https://www.readbyqxmd.com/read/29340759/cecum-ulcer-is-a-reliable-endoscopic-finding-in-cytomegalovirus-colitis-concomitant-with-graft-versus-host-disease-after-allogeneic-hematopoietic-stem-cell-transplantation
#1
Kana Matsuda, Shoko Ono, Marin Ishikawa, Shuichi Miyamoto, Satoshi Abiko, Momoko Tsuda, Keiko Yamamoto, Takahiko Kudo, Yuichi Shimizu, Eiko Hayase, Daigo Hashimoto, Takanori Teshima, Yoshihiro Matsuno, Naoya Sakamoto
Although graft-versus-host disease (GVHD) is the major complication of allogeneic hematopoietic stem cell transplantation (allo-HSCT), cytomegalovirus (CMV) reactivation also occurs in patients after allo-HSCT and these conditions often clinically overlap. The aim of this study was to determine reliable endoscopic findings of CMV colitis in patients with gastrointestinal graft-versus-host-disease (GI-GVHD). Patients after allo-HSCT who were histologically confirmed to have GI-GVHD with or without CMV colitis and patients with an immunosuppressive condition were retrospectively analyzed...
January 16, 2018: Annals of Hematology
https://www.readbyqxmd.com/read/29327650/transesophageal-echocardiography-use-in-diagnosis-and-management-of-embolized-intravascular-foreign-bodies
#2
James Taylor Herbert, Miklos David Kertai
The increasing use of endovascular interventions coupled with the large number of published case series detailing complications attest to the likelihood that anesthesiologists will encounter a case of intravascular foreign body embolization during their careers. Transesophageal echocardiography is essential to the diagnosis and management of traumatic and intravascular foreign bodies embolized to the heart because it can identify not only the foreign body but also hemodynamically significant lesions to radiolucent anatomic structures prior to and during surgical exploration...
October 1, 2017: Seminars in Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29318931/lessons-learned-from-a-critical-analysis-of-the-fontan-operation-over-three-decades-in-a-single-institution
#3
Luiz Fernando Caneo, Aida L R Turquetto, Rodolfo A Neirotti, Maria A Binotto, Leonardo A Miana, Carla Tanamati, Juliano G Penha, João B D Silveira, Thais M Alexandre E Silva, Fabio B Jatene, Marcelo B Jatene
BACKGROUND: The Fontan operation (FO) has evolved and many centers have demonstrated improved results relative to those from earlier eras. We report a single-institution experience over three decades, describing the outcomes and evaluating risk factors. METHODS: Successive patients undergoing primary FO were divided into era I (1984-1994), era II (1995-2004), and era III (2005-2014). Clinical and operative notes were reviewed for demographic, anatomic, and procedure details...
May 2017: World Journal for Pediatric & Congenital Heart Surgery
https://www.readbyqxmd.com/read/29317589/successful-treatment-in-a-patient-with-sudden-cardiac-arrest-due-to-anomalous-left-coronary-artery-arising-from-pulmonary-artery
#4
Liping Zhou, Xiaogang Li, Min Qi, Aimin Wang
To enhance the understanding of the left coronary artery originating from the pulmonary artery, we report a case of sudden cardiac arrest during exercise. After successful cardiopulmonary resuscitation, the patient underwent echocardiography and selective coronary angiography, and the disease was firmly diagnosed. Consequently, a thoracic surgery was performed. During the operation, the left coronary artery was transplanted to the root of the aorta and the pulmonary valve and artery were reconstructed. Finally, the surgery was successful...
December 28, 2017: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/29305032/concomitant-aortic-valve-replacement-with-orthotopic-heart-transplantation
#5
Ibrahim Sultan, Laura Seese, Luigi Lagazzi, Thomas G Gleason
No abstract text is available yet for this article.
November 9, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29291394/serotonin-receptor-2b-signaling-with-interstitial-cell-activation-and-leaflet-remodeling-in-degenerative-mitral-regurgitation
#6
Kathryn H Driesbaugh, Emanuela Branchetti, Juan B Grau, Samuel J Keeney, Kimberly Glass, Mark A Oyama, Nancy Rioux, Salma Ayoub, Michael S Sacks, John Quackenbush, Robert J Levy, Giovanni Ferrari
AIMS: Mitral valve interstitial cells (MVIC) play an important role in the pathogenesis of degenerative mitral regurgitation (MR) due to mitral valve prolapse (MVP). Numerous clinical studies have observed serotonin (5HT) dysregulation in cardiac valvulopathies; however, the impact of 5HT-mediated signaling on MVIC activation and leaflet remodeling in MVP have been investigated to a limited extent. Here we test the hypothesis that 5HT receptors (5HTRs) signaling contributes to MVP pathophysiology...
December 29, 2017: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/29290485/tricuspid-valve-adaptation-during-the-first-interstage-period-in-hypoplastic-left-heart-syndrome
#7
Timothy Colen, Shelby Kutty, Richard B Thompson, Edythe Tham, Andrew S Mackie, Ling Li, Dongngan T Truong, Michiko Maruyama, Jeffrey F Smallhorn, Nee Scze Khoo
BACKGROUND: Tricuspid regurgitation (TR) is an important risk factor for morbidity and mortality in hypoplastic left heart syndrome (HLHS), yet the evolution of tricuspid valve (TV) dysfunction in HLHS is poorly understood. This study sought to examine changes in TV function in HLHS between the first two stages of surgical palliation and to determine the mechanism of TR at the time of stage two surgery-bidirectional cavopulmonary anastomosis (BCPA). METHODS: We prospectively investigated 44 infants at two time points-prior to Norwood-Sano (T1 - median age 5...
December 29, 2017: Journal of the American Society of Echocardiography
https://www.readbyqxmd.com/read/29248417/altered-adamts5-expression-and-versican-proteolysis-a-possible-molecular-mechanism-in-barlow-s-disease
#8
Tarek S Absi, Cristi L Galindo, Richard J Gumina, James Atkinson, Yan Guo, Kelsey Tomasek, Douglas B Sawyer, John G Byrne, Clayton A Kaiser, Ashish S Shah, Yan Ru Su, Michael Petracek
BACKGROUND: We hypothesized that gene expression profiles of mitral valve (MV) leaflets from Barlow's disease (BD) subjects are distinct from those with fibroelastic deficiency (FED). METHODS: MVs were obtained from subjects with BD (7 males, 3 females; 61.4 ± 12.7 years old) or FED (6 males, 5 females; 54.5 ± 6.0 years old) undergoing surgery for severe mitral regurgitation (MR). Normal MVs were obtained from 6 donor hearts unmatched for transplant (3 males, 3 females; 58...
December 14, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29243013/exercise-performance-in-pediatric-liver-transplant-recipients-and-its-related-cardiac-function
#9
Seyed Mohsen Dehghani, Mitra Moshref, Hamid Amoozgar, Seyed Ali Malek Hoseini, Saman Nikeghbalian
The aim of this study was to evaluate an exercise test in pediatric liver transplant recipients and its relation to their cardiac function. This cross-sectional study was conducted on 58 children who had successfully undergone orthotopic liver transplantation at least 6 months prior to the study, with the same age and gender-matched control group. M-mode, Doppler, tissue Doppler echocardiography and an exercise test were performed for all the participants. The VO2 values and METS in patients were less than the control (P = 0...
December 14, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/29242919/association-of-novel-oral-antithrombotics-with-the-risk-of-intraocular-bleeding
#10
Katherine E Uyhazi, Todd Miano, Wei Pan, Brian L VanderBeek
Importance: Novel oral anticoagulation and antiplatelet therapies have become a mainstay of treatment for thromboembolic disease. However, the safety profile of these medications has not been completely characterized. Objective: To determine the risk of developing intraocular hemorrhages with novel oral antithrombotic therapy compared with that of traditional antithrombotic agents. Design, Setting, and Participants: In this retrospective cohort study, a large national insurance claims database was used to generate 2 parallel analyses...
December 14, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/29231677/transfemoral-aortic-valve-implantation-after-cardiac-transplantation
#11
Terézia B Andrási, Bernhard C Danner, Marius Grossmann, Friedrich A Schöndube, Gerd HASENFUß, Claudius Jacobshagen
No abstract text is available yet for this article.
February 2018: Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/29230240/utility-of-endoscopic-examination-in-the-diagnosis-of-acute-graft-versus-host-disease-in-the-lower-gastrointestinal-tract
#12
Kosuke Nomura, Toshiro Iizuka, Daisuke Kaji, Hisashi Yamamoto, Yasutaka Kuribayashi, Masami Tanaka, Tsukasa Furuhata, Satoshi Yamashita, Daisuke Kikuchi, Akira Matsui, Toshifumi Mitani, Yasunori Ota, Shuichi Taniguchi, Shu Hoteya
Background and Aims: We retrospectively investigated the incidence of acute graft-versus-host disease (GVHD) in the lower gastrointestinal (GI) tract and the diagnostic accuracy of endoscopy. Methods: Of 1231 patients who underwent allogeneic hematopoietic stem cell transplantation between January 2005 and December 2014, 186 of whom underwent colonoscopy and biopsy and had no cytomegalovirus infection. The endoscopic findings and histologic diagnosis from these 186 patients were retrospectively analyzed...
2017: Gastroenterology Research and Practice
https://www.readbyqxmd.com/read/29223417/left-ventricular-assist-device-impact-on-aortic-valve-mechanics-proteomics-and-ultrastructure
#13
Elizabeth H Stephens, Jiho Han, Emma A Trawick, Elena S Di Martino, Hemanth Akkiraju, Lewis M Brown, Jennifer P Connell, K Jane Grande-Allen, Gordana Vunjak-Novakovic, Hiroo Takayama
BACKGROUND: Aortic regurgitation is a prevalent, detrimental complication of left ventricular assist devices (LVADs). The altered hemodynamics of LVADs results in aortic valves (AVs) having distinct mechanical stimulation. Our hypothesis was that the altered AV hemodynamics modulates the valve cells and matrix, resulting in changes in valvular mechanical properties that then can lead to regurgitation. METHODS: AVs were collected from 16 LVAD and 6 non-LVAD patients at time of heart transplant...
December 6, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29198536/infants-with-atypical-presentations-of-alveolar-capillary-dysplasia-with-misalignment-of-the-pulmonary-veins-who-underwent-bilateral-lung-transplantation
#14
Christopher T Towe, Frances V White, R Mark Grady, Stuart C Sweet, Pirooz Eghtesady, Daniel J Wegner, Partha Sen, Przemyslaw Szafranski, Pawel Stankiewicz, Aaron Hamvas, F Sessions Cole, Jennifer A Wambach
OBJECTIVE: To describe disease course, histopathology, and outcomes for infants with atypical presentations of alveolar capillary dysplasia with misalignment of the pulmonary veins (ACDMPV) who underwent bilateral lung transplantation. STUDY DESIGN: We reviewed clinical history, diagnostic studies, explant histology, genetic sequence results, and post-transplant course for 6 infants with atypical ACDMPV who underwent bilateral lung transplantation at St. Louis Children's Hospital...
November 30, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/29186380/impact-of-t-cell-mediated-immune-response-on-xenogeneic-heart-valve-transplantation-short-term-success-and-mid-term-failure
#15
Anna C Biermann, Julia Marzi, Eva Brauchle, Maria Schneider, Angela Kornberger, Sherif Abdelaziz, Julian L Wichmann, Christophe T Arendt, Eike Nagel, Kelvin G M Brockbank, Martina Seifert, Katja Schenke-Layland, Ulrich A Stock
OBJECTIVES: Allogeneic frozen cryopreserved heart valves (allografts or homografts) are commonly used in clinical practice. A major obstacle for their application is the limited availability in particular for paediatrics. Allogeneic large animal studies revealed that alternative ice-free cryopreservation (IFC) results in better matrix preservation and reduced immunogenicity. The objective of this study was to evaluate xenogeneic (porcine) compared with allogeneic (ovine) IFC heart valves in a large animal study...
November 27, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/29184979/right-ventricular-longitudinal-shortening-before-and-after-stage-i-surgical-palliation-correlates-with-outcomes
#16
S Javed Zaidi, Cheryl A Lefaiver, Supitcha Muangmingsuk, Vivian W Cui, David A Roberson, Jamie Penk
Quantification of right ventricular function is difficult, but important, in patients with single ventricles. Tissue motion annular displacement (TMAD) is an echocardiographic tool that measures displacement of the tricuspid valve relative to the apex. We evaluated TMAD, lateral annular displacement (LAD), and fractional area change (FAC) for correlation with outcomes. We measured TMAD, LAD, FAC, and other variables that may affect prognosis in patients with single right ventricle physiology pre- and post-Stage I palliation and correlated them with outcomes up to the Glenn procedure...
November 28, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/29182898/reconnection-surgery-in-adult-post-operative-short-bowel-syndrome-100-cm-is-colonic-continuity-sufficient-to-achieve-enteral-autonomy-without-autologous-gastrointestinal-reconstruction-report-from-a-single-center-and-systematic-review-of-literature
#17
A Lauro, R Cirocchi, N Cautero, A Dazzi, D Pironi, F M Di Matteo, A Santoro, L Pironi, A D Pinna
A systematic bibliographic research concerning patients operated on for SBS was performed: inclusion criteria were adult age, reconnection surgery and SBS < 100 cm. Autologous gastrointestinal reconstruction represented an exclusion criteria. The outcomes of interest were the rate of total parenteral nutrition (TPN) independence and the length of follow-up (minimum 1 year) after surgery. We reviewed our experience from 2003 to 2013 with minimum 1-year follow-up, dealing with reconnection surgery in 13 adults affected by < 100 cm SBS after massive small bowel resection: autologous gastrointestinal reconstruction was not feasible...
July 2017: Il Giornale di Chirurgia
https://www.readbyqxmd.com/read/29181740/impact-of-mitral-valve-intervention-with-left-ventricular-assist-device-implantation-on-postoperative-outcomes-and-morphologic-change
#18
Hiroki Hata, Tomoyuki Fujita, Hatsue Ishibashi-Ueda, Kensuke Kuroda, Osamu Seguchi, Yorihiko Matsumoto, Masanobu Yanase, Takuma Sato, Seiko Nakajima, Norihide Fukushima, Junjiro Kobayashi
Although mitral regurgitation (MR) is prevalent in patients with end-stage heart failure, the impact of mitral valve (MV) surgery on outcomes after left ventricular assist device (LVAD) implantation and morphologic changes of MV remains unclear. We retrospectively reviewed 74 patients who underwent LVAD implantation as a bridge to transplant. Of these, 11 (15%) underwent MV repair concomitant with or prior to LVAD implantation, while 27 patients with preoperative significant (moderate or greater) MR did not undergo concomitant MV surgery...
November 27, 2017: Journal of Artificial Organs: the Official Journal of the Japanese Society for Artificial Organs
https://www.readbyqxmd.com/read/29174778/association-of-donor-tricuspid-valve-repair-with-outcomes-after-cardiac-transplantation
#19
Joshua Greenberg, Nicholas R Teman, Jonathan W Haft, Matthew A Romano, Francis D Pagani, Keith D Aaronson, Audrey H Wu
BACKGROUND: Tricuspid regurgitation after cardiac transplantation is associated with worse clinical outcomes. This study sought to determine the association of donor tricuspid valve repair (dTVR) with outcomes after cardiac transplantation. METHODS: Patients who underwent cardiac transplantation between January 20, 2002, and December 31, 2016, were included. Multivariable Cox regression modeling was performed to determine the association between dTVR and the composite outcome of death, posttransplant TVR, kidney transplant after cardiac transplant, or chronic dialysis, and included propensity scoring to control for baseline differences in likelihood of undergoing dTVR...
November 23, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29171946/-cardiac-rehabilitation-state-of-the-art-2017
#20
REVIEW
P Lancellotti, A Ancion, L Piérard
Cardiovascular disease remains the leading cause of death in western countries. Despite advances in acute management of patients, secondary prevention remains essential and should include cardiac rehabilitation. Recent data have confirmed the interest of this management in the various conventional indications : coronary disease, valvular heart disease, heart failure and heart transplantation. New indications emerge with some benefit that should be evaluated : ventricular assistance, pulmonary hypertension, trans-catheter aortic valve implantation...
November 2017: Revue Médicale de Liège
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