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Transplant Surgery

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https://www.readbyqxmd.com/read/28922325/metacarpal-like-hand-classification-and-treatment-guidelines-for-microsurgical-reconstruction-with-toe-transplantation
#1
Fu-Chan Wei, Nidal F Al Deek, Yu-Te Lin, Chung-Chen Hsu, Cheng-Hung Lin
The metacarpal-like hand is a severe hand injury, never addressed before. It describes a hand that lost a significant degree of prehension through a wide array of amputations, involving all digits proximal to the functional length except in one finger or in two digits, including the thumb.Thumb condition can be used to differentiate between two types.In type I, the thumb is intact or amputated at/or distal to the interphalangeal joint (functional length); and therefore, the reconstruction is focused on fingers mainly...
September 14, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28921939/extreme-hepatic-resections-for-the-treatment-of-advanced-hepatoblastoma-are-planned-close-margins-an-acceptable-approach
#2
Adriana Fonseca, Abha Gupta, Furqan Shaikh, Raveena Ramphal, Vicky Ng, Ian McGilvray, J Ted Gerstle
BACKGROUND: Orthotopic liver transplantation (OLT) is considered the standard for children with hepatoblastoma (HB) in whom complete surgical resection is not possible. However, OLT is not always available or feasible. OBJECTIVE: To describe the outcome of children with HB who were initially deemed unresectable and underwent complex hepatectomy with planned close margins, and ultimately avoided OLT. METHODS: Demographic data, surgical and pathologic details, and survival information were collected from children treated for HB between January 2010 to December 2015...
September 17, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28921938/prostate-cancer-treatment-in-renal-transplant-recipients-a-systematic-review
#3
REVIEW
Giancarlo Marra, Ettore Dalmasso, Marco Angello, Stefania Munegato, Andrea Bosio, Omidreza Sedigh, Luigi Biancone, Paolo Gontero
BACKGROUND: The majority of kidney transplants are performed in recipients (RTR) over 50; simultaneously their life expectancy is improving. The increasing age and number of RTR is likely to be paralleled by an increase of prostate cancer (PCa) incidence. However, little is known on the optimal management of these patients who represent a therapeutic challenge due to medical and anatomical graft-related issues. METHODS: AMED, Medline and Embase were searched until November 17(th) , 2016 adhering to the PRISMA guidelines and the AMSTAR checklist to investigate oncological and functional outcomes of PCa treatment in RTR...
September 18, 2017: BJU International
https://www.readbyqxmd.com/read/28921168/chromosomal-abnormalities-affect-the-surgical-outcome-in-infants-with-hypoplastic-left-heart-syndrome-a-large-cohort-analysis
#4
Dala Zakaria, Xinyu Tang, Rupal Bhakta, Nahed O ElHassan, Parthak Prodhan
Patients with hypoplastic left heart syndrome (HLHS) can have associated genetic abnormalities. This study evaluated the incidence of genetic abnormalities among infants with HLHS and the short-term outcomes of this population during the first hospitalization. This is a retrospective analysis of the multi-center Pediatric Heath Information System database of infants with HLHS who underwent Stage I Norwood, Hybrid, or heart transplant during their first hospitalization from 2004 through 2013. We compared clinical data between infants with and without genetic abnormality, among the three most common chromosomal abnormalities, and between survivors and non-survivors...
September 18, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28920046/the-effect-of-intraoperative-alkali-treatment-on-recovery-from-atracurium-induced-neuromuscular-blockade-in-renal-transplantation-a-randomized-trial
#5
Navid Noraee, Mohammad Fathi, Majid Golestani Eraghi, Ali Dabbagh, Nilofar Massoudi
BACKGROUND: Intraoperative care and anesthesia method in patients undergoing allograft renal transplantation surgery are very necessary. Acid-base imbalance can alter neuromuscular blockade and recovery time. OBJECTIVES: The aim of the present study was to investigate the effect of acid-base balance on atracurium blockade in renal transplantation. METHODS: In this randomized-controlled trial, 31 end-stage renal disease (ESRD) patients undergoing renal transplantation were randomly assigned into two equal groups...
February 2017: Anesthesiology and Pain Medicine
https://www.readbyqxmd.com/read/28917555/incidence-and-significance-of-adhesions-encountered-during-epicardial-mapping-and-ablation-of-ventricular-tachycardia-in-patients-with-no-history-of-prior-cardiac-surgery-or-pericarditis
#6
Anthony Li, Eric Buch, Noel G Boyle, Kalyanam Shivkumar, Jason S Bradfield
BACKGROUND: Pericardial adhesions can prevent epicardial access and restrict catheter movement during mapping and ablation of ventricular tachycardia (VT) . The incidence of adhesions in patients without prior cardiac surgery or clinically evident pericarditis is not known. OBJECTIVE: To describe the incidence of pericardial adhesions in patients without prior cardiac surgery or pericarditis and explore their impact. METHODS: A retrospective search of our ablation database containing patients who underwent epicardial ablation for VT was undertaken...
September 13, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28916665/integrin-%C3%AE-4-overexpression-on-rat-mesenchymal-stem-cells-enhances-transmigration-and-reduces-cerebral-embolism-after-intracarotid-injection
#7
Li-Li Cui, Franziska Nitzsche, Evgeny Pryazhnikov, Marina Tibeykina, Laura Tolppanen, Jussi Rytkönen, Tuulia Huhtala, Jing-Wei Mu, Leonard Khiroug, Johannes Boltze, Jukka Jolkkonen
BACKGROUND AND PURPOSE: Very late antigen-4 (integrin α4β1)/vascular cell adhesion molecule-1 mediates leukocyte trafficking and transendothelial migration after stroke. Mesenchymal stem cells (MSCs) typically express integrin β1 but insufficient ITGA4 (integrin α4), which limits their homing after intravascular transplantation. We tested whether ITGA4 overexpression on MSCs increases cerebral homing after intracarotid transplantation and reduces MSC-borne cerebral embolism. METHODS: Rat MSCs were lentivirally transduced to overexpress ITGA4...
September 15, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28915639/heptamethine-carbocyanine-dz-1-dye-for-near-infrared-fluorescence-imaging-of-hepatocellular-carcinoma
#8
Jiaze An, Ningning Zhao, Caiqin Zhang, Yong Zhao, Dengxu Tan, Ya Zhao, Bing Bai, Hai Zhang, Boyang Jason Wu, Changhong Shi
Near-infrared fluorescence (NIRF) dyes have recently emerged as promising tools for non-invasive imaging of different types of cancers. Here, we explored the potential utility of a NIRF DZ-1 dye, with dual imaging and tumour targeting functions, in hepatocellular carcinoma (HCC). We showed the preferential uptake of DZ-1 by HCC cells in vitro and in derived subcutaneous/orthotopic tumour xenografts, accompanied by a minimal effect on normal cells. DZ-1 simplified tumour growth profiling as well, since we were able to correlate NIRF signals with tumour volume and/or tumour-emitting luminescence in mice...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28915523/-biologic-reconstruction-of-full-sized-cartilage-defects-of-the-hip-a-guideline-from-the-dgou-group-clinical-tissue-regeneration-and-the-hip-committee-of-the-aga
#9
Stefan Fickert, Matthias Aurich, Dirk Albrecht, Peter Angele, Lorenz Büchler, Michael Dienst, Christoph Erggelet, Jürgen Fritz, Christoph Gebhart, Hans Gollwitzer, Moritz Kindler, Christoph Lampert, Henning Madry, Gregor Möckel, Phillip Niemeyer, Jörg Schröder, Christian Sobau, Gunter Spahn, Wolfgang Zinser, Stefan Landgraeber
Background Symptomatic pre-arthritic deformities such as femoroacetabular impingement (FAI) or hip dysplasia often lead to localised cartilage defects and subsequently to osteoarthritis. The present review of the working group "Clinical Tissue Regeneration" of the German Society of Orthopaedics and Trauma (DGOU) and the hip committee of the AGA (German speaking Society for Arthroscopy and Joint Surgery) provides an overview of current knowledge of the diagnosis and surgical treatment of cartilage defects, in order to infer appropriate therapy recommendations for the hip...
September 15, 2017: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/28904635/does-orthopaedic-surgery-improve-quality-of-life-and-function-in-patients-with-mucopolysaccharidoses
#10
N Williams, D Challoumas, D M Eastwood
PURPOSE: Mucopolysaccharidoses (MPS) are a group of rare lysosomal storage disorders associated with involvement of multiple organs along with a generalised skeletal dysplasia. Both haematopoetic stem cell transplant and enzyme replacement therapy have improved the outlook for patients while surgery remains high-risk and there is little information on clinical or functional outcome to justify many of the surgical procedures performed. This paper aims to summarise the orthopaedic surgical procedures in MPS patients for which quality of life (QoL) and functional data are available and to describe additional QoL and functional measurement tools of relevance to the assessment of orthopaedic outcomes in MPS...
August 1, 2017: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/28901794/silybin-against-liver-ischemia-reperfusion-injury-something-old-something-new%C3%A2
#11
Mihai Oltean
Ischemia reperfusion injury (IRI) is a life threatening condition that may develop after elective liver surgery or liver transplantation. Numerous surgical and pharmacological approaches have shown varying degrees of protection against liver IRI. A group of protective compounds are the flavonoids but their intestinal absorbtion and bioavailability are low and impredictible. In this issue Tsaroucha et al. reports significantly decreased hepatocellular injury, Fas/FasL expression and inhibited HMGB1 release in rats receiving a hydrosoluble, lyophilized complex of SLB and hydroxypropyl-β-cyclodextrin (SLB-HP-β-CD) intravenously...
September 13, 2017: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
https://www.readbyqxmd.com/read/28900442/impact-of-preoperative-three-dimensional-computed-tomography-cholangiography-on-postoperative-resection-margin-status-in-patients-operated-due-to-hilar-cholangiocarcinoma
#12
A Andert, P Bruners, C Heidenhain, F Ulmer, C D Klink, P H Alizai, C Kuhl, U P Neumann, M Binnebösel
INTRODUCTION: The purpose of this study was to analyse the value of 3-dimensional computed tomography cholangiography (3D-ERC) compared to conventional retrograde cholangiography in the preoperative diagnosis of hilar cholangiocarcinoma (HC) with special regard to the resection margin status (R0/R1). PATIENTS AND METHODS: All hepatic resections performed between January 2011 and November 2013 in patients with HC at the Department of General, Visceral and Transplant Surgery of the RWTH Aachen University Hospital were analysed...
2017: Gastroenterology Research and Practice
https://www.readbyqxmd.com/read/28899741/small-bowel-stenosis-a-manifestation-of-chronic-graft-versus-host-disease-in-children
#13
Mickael Tordjman, Marie Ouachee, Arnaud Bonnard, Bogdana Tilea, Karima Yakouben, Jerome Viala, Michel Peuchmaur, Dominique Berrebi
Digestive graft versus host disease (GVHD) is a frequent complication after bone marrow transplantation (BMT), but small bowel obstruction is an extremely rare event. We present herein the first pediatric series of 4 cases of small bowel obstruction after BMT with detailed gross, histological data and their genetic status of the NOD2 gene. All patients had a history of severe acute GVHD treated by immunosuppressive agents and/or infliximab (in 3 cases). Acute or progressively worsening abdominal pain accompanied by small bowel occlusion occurred 5-16months after graft and CT-scan revealed multiple small intestinal stenosis...
September 9, 2017: Human Pathology
https://www.readbyqxmd.com/read/28895682/composite-tissue-flap-transplantation-for-limb-salvage-surgery-in-cases-of-severe-lower-limb-burns
#14
Qinglin Li, Maoyang Gai, Gongming Wang, Fengli Ren, Chengdong Wang
No abstract text is available yet for this article.
September 12, 2017: Minerva Chirurgica
https://www.readbyqxmd.com/read/28895403/injectable-carbon-nanotube-functionalized-reverse-thermal-gel-promotes-cardiomyocytes-survival-and-maturation
#15
Brisa Peña, Susanna Bosi, Brian A Aguado, Daniele Borin, Nikki L Farnsworth, Evgenia Dobrinskikh, Teisha J Rowland, Valentina Martinelli, Mark Jeong, Matthew R G Taylor, Carlin S Long, Robin Shandas, Orfeo Sbaizero, Maurizio Prato, Kristi S Anseth, Daewon Park, Luisa Mestroni
The ability of the adult heart to regenerate cardiomyocytes (CMs) lost after injury is limited, generating interest in developing efficient cell-based transplantation therapies. Rigid carbon nanotubes (CNTs) scaffolds have been used to improve CMs viability, proliferation, and maturation, but they require undesirable invasive surgeries for implantation. To overcome this limitation, we developed an injectable reverse thermal gel (RTG) functionalized with CNTs (RTG-CNT) that transitions from a solution at room temperature to a three-dimensional (3D) gel-based matrix shortly after reaching body temperature...
September 12, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28894464/inflammatory-markers-as-prognostic-factors-of-survival-in-patients-affected-by-hepatocellular-carcinoma-undergoing-transarterial-chemoembolization
#16
A Rebonato, L Graziosi, D Maiettini, E Marino, V De Angelis, L Brunese, S Mosca, G Metro, M Rossi, G Orgera, M Scialpi, A Donini
INTRODUCTION: Transarterial chemoembolization (TACE) is a good choice for hepatocellular carcinoma (HCC) treatment when surgery and liver transplantation are not feasible. Few studies reported the value of prognostic factors influencing survival after chemoembolization. In this study, we evaluated whether preoperative inflammatory factors such as neutrophil to lymphocyte ratio and platelet to lymphocyte ratio affected our patient survival when affected by hepatocellular carcinoma. METHODS: We retrospectively evaluated a total of 72 patients with hepatocellular carcinoma that underwent TACE...
2017: Gastroenterology Research and Practice
https://www.readbyqxmd.com/read/28893426/outcomes-after-double-bundle-anterior-cruciate-ligament-reconstruction
#17
Ji Hyun Ahn, Ho Won Kang, Kug Jin Choi
PURPOSE: To identify the risk factors predicting unsatisfactory postoperative clinical outcomes after double-bundle (DB) anterior cruciate ligament (ACL) reconstruction using multivariate logistic regression. METHODS: Inclusion criteria were consecutive DB ACL reconstructions from January 2006 to September 2012 with a minimum 3-year follow-up. Exclusion criteria included (1) a delay to surgery from initial injury of more than 4 years (210 weeks); (2) contralateral knee pathology; (3) the lack of postoperative 3-dimensional computed tomography; (4) single-bundle ACL reconstruction; (5) revision ACL reconstruction; (6) meniscus allograft transplantation after total or subtotal meniscectomy; (7) multiple ligament surgeries...
September 8, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28893351/hepatic-ischemia-reperfusion-mechanisms-of-tissue-injury-repair-and-regeneration
#18
Takanori Konishi, Alex Lentsch
Hepatic ischemia reperfusion (I/R) injury is a major complication of liver surgery, including liver resection, liver transplantation, and trauma surgery. Much has been learned about the inflammatory injury response induced by I/R, including the cascade of proinflammatory mediators and recruitment of activated leukocytes. In this review, we discuss the complex network of events that culminate in liver injury after I/R, including cellular, protein, and molecular mechanisms. In addition we address the known endogenous regulatory mediators that function to maintain homeostasis and resolve injury...
September 11, 2017: Gene Expression
https://www.readbyqxmd.com/read/28892147/carpal-tunnel-syndrome-in-mucopolysaccharidosis-i-a-registry-based-cohort-study
#19
David Viskochil, Joseph Muenzer, Nathalie Guffon, Christophe Garin, M Veronica Munoz-Rojas, Kristin A Moy, Douglas T Hutchinson
AIM: To characterize carpal tunnel syndrome (CTS) in patients with mucopolysaccharidosis I (MPS I). METHOD: Data were included for patients with MPS I who had either nerve conduction examination that included a diagnosis of CTS or who had CTS release surgery. Although this represented a subset of patients with CTS in the MPS I Registry, the criteria were considered the most objective for data analysis. RESULTS: As of March 2016, 994 patients were categorized with either severe (Hurler syndrome) or attenuated (Hurler-Scheie or Scheie syndromes) MPS I...
September 11, 2017: Developmental Medicine and Child Neurology
https://www.readbyqxmd.com/read/28890522/characterization-of-the-testicular-regeneration-potential-in-premature-cockerels
#20
Po-Liang Cheng, Hui-Ru Wu, Cheng-Yan Li, Chih-Feng Chen, Hsu-Chen Cheng
Previous studies have shown that grafted neonatal chicken testicular tissue can develop and produce functional sperm; however, it was unclear whether regenerative processes or proportional growth caused the re-appearance of spermatogenic tissue. We dissociated testicular tissues, performed subcutaneous auto-transplantation of the re-aggregated cells to castrated cockerels, and monitored the post-surgery development of these transplanted aggregates. We found that these transplanted cell aggregates experienced compensatory growth in the form of a 300-fold increase in size, rather than the 30-fold increase observed in normal testis development...
September 8, 2017: Journal of Reproduction and Development
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