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https://www.readbyqxmd.com/read/28196356/therapeutic-hypothermia-provides-variable-protection-against-behavioral-deficits-after-neonatal-hypoxia-ischemia-a-potential-role-for-brain-derived-neurotrophic-factor
#1
Johana Diaz, Suleiman Abiola, Nancy Kim, Oliver Avaritt, Debra Flock, Jenny Yu, Frances J Northington, Raul Chavez-Valdez
BACKGROUND: Despite treatment with therapeutic hypothermia (TH), infants who survive hypoxic ischemic (HI) encephalopathy (HIE) have persistent neurological abnormalities at school age. Protection by TH against HI brain injury is variable in both humans and animal models. Our current preclinical model of hypoxia-ischemia (HI) and TH displays this variability of outcomes in neuropathological and neuroimaging end points with some sexual dimorphism. The detailed behavioral phenotype of this model is unknown...
February 15, 2017: Developmental Neuroscience
https://www.readbyqxmd.com/read/28188546/osteochondral-lesions-of-the-talus-in-the-athlete-up-to-date-review
#2
REVIEW
Yoshiharu Shimozono, Youichi Yasui, Andrew W Ross, John G Kennedy
PURPOSE OF REVIEW: Osteochondral lesions of the talus (OLT) are common injuries in athletes. The purpose of this study is to comprehensively review the clinical results and return to sport capacity in athletes following treatment for OLT. RECENT FINDINGS: Reparative procedures, such as bone marrow stimulation, and replacement procedures, such as autologous osteochondral transplantation, provide good clinical outcomes in short- and mid-term follow-up in the athlete...
February 10, 2017: Current Reviews in Musculoskeletal Medicine
https://www.readbyqxmd.com/read/28187520/exogenous-vegf-delivery-prior-to-endothelial-precursor-cell-transplantation-in-orthotopic-liver-transplant-induced-hepatic-ischemia-reperfusion-injury
#3
Ding Cao, Menghao Wang, Junhua Gong, Sidong Wei, Jianping Gong, Jinzheng Li
BACKGROUND: Vascular endothelial growth factor (VEGF) promotes angiogenesis in vivo. We hypothesized that exogenous delivery of VEGF prior to bone marrow-derived endothelial precursor cell (EPC) transplantation may improve orthotopic liver transplantation (OLT)-induced hepatic ischemia-reperfusion injury (HIRI). METHODS: OLT between Sprague Dawley donor rats and inbred LEW Wistar recipient rats was performed in six experimental groups to comparatively assess the effects of VEGF gene: an untreated normal control group, a surgical control group, a liposomal control group, a VEGF group receiving only the liposome-encapsulated VEGF plasmid, an EPC group receiving only EPCs, and an EPC+VEGF group receiving the liposome-encapsulated VEGF plasmid followed by EPCs...
February 10, 2017: Liver Transplantation
https://www.readbyqxmd.com/read/28167225/no-child-left-behind-liver-transplantation-in-critically-ill-children
#4
Abbas Rana, Michael Kueht, Moreshwar Desai, Fong Lam, Tamir Miloh, Jennifer Moffett, N Thao N Galvan, Ronald Cotton, Christine O'Mahony, John Goss
BACKGROUND: Advances in critical care prolong survival in children with liver failure, allowing more critically ill children to undergo liver transplantation (OLT). In order to justify the use of a scarce donor resource and avoid futile transplants, we sought to determine the survival in children who undergo OLT while receiving pre-OLT critical care. STUDY DESIGN: We analyzed 13,723 pediatric OLTs using the UNOS database from 1987-2015, including 6,746 recipients in the MELD/PELD era (2002-2015)...
January 5, 2017: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/28154149/the-coupling-between-ca2-channels-and-the-exocytotic-ca2-sensor-at-hair-cell-ribbon-synapses-varies-tonotopically-along-the-mature-cochlea
#5
Stuart L Johnson, Jennifer Olt, Soyoun Cho, Henrique von Gersdorff, Walter Marcotti
: The cochlea processes auditory signals over a wide range of frequencies and intensities. However, the transfer characteristics at hair cell ribbon synapses are still poorly understood at different frequency locations along the cochlea. Using recordings from mature gerbils, we report here a surprisingly strong block of exocytosis by the slow Ca(2+) buffer EGTA (10 mM) in basal hair cells tuned to high frequencies (∼30 kHz). In addition, using recordings from gerbil, mouse and bullfrog auditory organs, we find that the spatial coupling between Ca(2+) influx and exocytosis changes from nanodomain in low-frequency tuned hair cells (<∼2 kHz) to progressively more microdomain in high-frequency cells (>∼2 kHz)...
February 2, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28144574/current-management-of-talar-osteochondral-lesions
#6
REVIEW
Arianna L Gianakos, Youichi Yasui, Charles P Hannon, John G Kennedy
Osteochondral lesions of the talus (OLT) occur in up to 70% of acute ankle sprains and fractures. OLT have become increasingly recognized with the advancements in cartilage-sensitive diagnostic imaging modalities. Although OLT may be treated nonoperatively, a number of surgical techniques have been described for patients whom surgery is indicated. Traditionally, treatment of symptomatic OLT have included either reparative procedures, such as bone marrow stimulation (BMS), or replacement procedures, such as autologous osteochondral transplantation (AOT)...
January 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28134286/risk-factors-of-acute-kidney-injury-after-orthotopic-liver-transplantation-in-china
#7
Yin Zongyi, Li Baifeng, Zou Funian, Li Hao, Wang Xin
In this study, we determined the risk factors for acute kidney injury (AKI) following orthotopic liver transplantation (OLT) in China. We collected 5074 donation after cardiac death (DCD) OLT recipients who underwent surgery between January 1, 2010, and December 31, 2015, in 86 academic hospitals or transplant centers in China. Univariate and multivariate analyses were used to investigate the criticality of donor, graft, or recipient variables in the development of post-OLT AKI. In all, 4482 patients were included (median age, 49...
January 30, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28133947/serious-gaming-for-orthotopic-liver-transplant-anesthesiology-a-randomized-control-trial
#8
Daniel Katz, Jeron Zerillo, Sang Kim, Bryan Hill, Ryan Wang, Andrew Goldberg, Samuel DeMaria
: Anesthetic management of orthotopic liver transplantation (OLT) is complex. Given the unequal distributions of liver transplant surgeries performed at different centers, anesthesiology providers receive relatively uneven OLT training and exposure. One well-suited modality for OLT training is the "serious game", an interactive application created for the purpose of imparting knowledge or skills, while leveraging the self-motivating elements of video games. We therefore developed a serious game designed to teach best practices for the anesthetic management of a standard OLT and determined if the game would improve resident performance in a simulated OLT...
January 30, 2017: Liver Transplantation
https://www.readbyqxmd.com/read/28128286/role-of-cytosolic-carboxypeptidase-5-in-neuronal-survival-and-spermatogenesis
#9
Hui-Yuan Wu, Peng Wei, James I Morgan
Proteins may undergo a type of posttranslational modification - polyglutamylation, where a glutamate residue is enzymatically linked to the γ-carboxyl group of a glutamate in the primary sequence of proteins and additional glutamates are then sequentially added via α-carboxyl-linkages to the growing glutamate side chain. Nna1 (a.k.a. CCP1) defines the 6-member cytosolic carboxypeptidase (CCP) family that metabolizes polyglutamate side chain and its loss results in neurodegeneration and male infertility. Whereas most CCPs catalyze hydrolysis of α-carboxyl-linked glutamates, CCP5 uniquely metabolizes the γ-carboxyl linked, branch point glutamate...
January 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28114921/prevention-of-hypothermia-in-patients-undergoing-orthotopic-liver-transplantation-using-the-humigard%C3%A2-open-surgery-humidification-system-a-prospective-randomized-pilot-and-feasibility-clinical-trial
#10
RANDOMIZED CONTROLLED TRIAL
Laurence Weinberg, Andrew Huang, Daniel Alban, Robert Jones, David Story, Larry McNicol, Brett Pearce
BACKGROUND: Perioperative thermal disturbances during orthotopic liver transplantation (OLT) are common. We hypothesized that in patients undergoing OLT the use of a humidified high flow CO2 warming system maintains higher intraoperative temperatures when compared to standardized multimodal strategies to maintain thermoregulatory homeostasis. METHODS: We performed a randomized pilot study in adult patients undergoing primary OLT. Participants were randomized to receive either open wound humidification with a high flow CO2 warming system in addition to standard care (Humidification group) or to standard care alone (Control group)...
January 23, 2017: BMC Surgery
https://www.readbyqxmd.com/read/28103870/osteochondral-autograft-transplantation-with-biplanar-distal-tibial-osteotomy-for-patients-with-concomitant-large-osteochondral-lesion-of-the-talus-and-varus-ankle-malalignment
#11
Xingchen Li, Yuan Zhu, Yang Xu, Bibo Wang, Jinhao Liu, Xiangyang Xu
BACKGROUND: Osteochondral lesions of the talus (OLTs) are amongst the most common foot and ankle disorders. Varus ankle malalignment causes stress concentration on medial side of the joint, resulting in OLTs and osteoarthritis. For large symptomatic OLTs (>10 mm), Osteochondral autograft transplantation is usually recommended. This article highlights biplanar distal tibial osteotomy as an approach and management for patients with concomitant large OLTs and varus ankle malalignment...
January 19, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28087215/surgical-outcome-of-posterior-ankle-impingement-syndrome-with-concomitant-ankle-disorders-treated-simultaneously-in-patient-engaged-in-athletic-activity
#12
Wataru Miyamoto, Shinya Miki, Hirotaka Kawano, Masato Takao
BACKGROUND: It is unclear whether simultaneous surgery for posterior ankle impingement syndrome (PAIS) and concomitant ankle disorders, such as anterior ankle impingement syndrome (AAIS), lateral ankle instability (LAI), and osteochondral lesion of the talus (OLT), allows for early return to athletic activity. METHODS: Ninety-seven patients who engaged in athletic activity (mean age 27 [range 18-43] years) and were treated by a hindfoot endoscopic approach for PAIS alone or simultaneously for PAIS and concomitant ankle disorders were included in this study...
January 10, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28081348/the-effect-of-basolateral-amygdala-nucleus-lesion-on-memory-under-acute-mid-and-chronic-stress-in-male-rats
#13
Hoda Ranjbar, Maryam Radahmadi, Hojjatallah Alaei, Parham Reisi, Sara Karimi
BACKGROUND/AIM: The basolateral amygdala (BLA) modulates memory for emotional events and is involved in both stress and memory. This study investigated different durations of stress and the role of BLA on serum corticosterone level and spatial and cognitive memory. MATERIALS AND METHODS: Different durations of stress (acute, mid, and chronic stress), with and without BLA lesion were induced in rats by 6 h/day restraint stress for 1, 7, and 21 days. Memory functions were evaluated by novel object recognition (NOR) and object location test (OLT)...
December 20, 2016: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28077277/berberine-protects-against-ischemia-reperfusion-injury-after-orthotopic-liver-transplantation-via-activating-sirt1-foxo3%C3%AE-induced-autophagy
#14
Yuanbang Lin, Mingwei Sheng, Yiqi Weng, Rubin Xu, Ning Lu, Hongyin Du, Wenli Yu
The effects and mechanism of berberine (BBR) on hepatic injury after orthotopic liver transplantation (OLT) have not been well characterized. We examined the role of Sirt1/FoxO3α axis in the protective effect of BBR on ischemia/reperfusion injury after OLT. Adult male Wistar rats were randomly allocated into four groups: Sham, OLT, OLT with BBR pretreatment (BBR), OLT with BBR and Sirt1 inhibitor (EX527) pretreatment group (EX527). The liver function and oxidative stress level were measured by biochemical and histopathologic examinations...
January 8, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28076977/combining-microfractures-autologous-bone-graft-and-autologous-matrix-induced-chondrogenesis-for-the-treatment-of-juvenile-osteochondral-talar-lesions
#15
Riccardo D'Ambrosi, Camilla Maccario, Chiara Ursino, Nicola Serra, Federico Giuseppe Usuelli
BACKGROUND: The purpose of this study was to evaluate the clinical and radiologic outcomes of patients younger than 20 years, treated with the arthroscopic-talus autologous matrix-induced chondrogenesis (AT-AMIC) technique and autologous bone graft for osteochondral lesion of the talus (OLT). METHODS: Eleven patients under 20 years (range 13.3-20.0) underwent the AT-AMIC procedure and autologous bone graft for OLTs. Patients were evaluated preoperatively (T0) and at 6 (T1), 12 (T2), and 24 (T3) months postoperatively, using the American Orthopaedic Foot & Ankle Society Ankle and Hindfoot (AOFAS) score, the visual analog scale and the SF-12 respectively in its Mental and Physical Component Scores...
January 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28076451/survival-benefits-of-interferon-based-therapy-in-patients-with-recurrent-hepatitis-c-after-orthotopic-liver-transplantation
#16
L P Zanaga, A G Vigani, R N Angerami, A Giorgetti, C A F Escanhoela, E C Ataíde, I F S F Boin, R S B Stucchi
Recurrent hepatitis C after orthotopic liver transplantation (OLT) is universal and can lead to graft failure and, consequently, reduced survival. Hepatitis C treatment can be used to prevent these detrimental outcomes. The aim of this study was to describe rates of hepatitis C recurrence and sustained virological response (SVR) to interferon-based treatment after OLT and its relationship to survival and progression of liver disease through retrospective analysis of medical records of 127 patients who underwent OLT due to cirrhosis or hepatocellular carcinoma secondary to chronic hepatitis C between January 2002 and December 2013...
January 9, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28070011/management-of-advanced-hepatic-alveolar-echinococcosis-report-of-42-cases
#17
Bo Qu, Long Guo, Guannan Sheng, Fei Yu, Guannan Chen, Yupeng Wang, Yuan Shi, Hanxiang Zhan, Yi Yang, Xiaoyan Du
Radical resection is the first choice for hepatic alveolar echinococcosis (HAE). However, many patients with advanced HAE have no chance to be treated with curative resection owing to the long clinical latency. This study aimed to evaluate the necessity of aggressive operations, like palliative resection and orthotopic liver transplantation (OLT), in the management of advanced HAE. A retrospective study analyzed 42 patients with advanced HAE treated with palliative resection (N = 15), palliative nonresective procedures (N = 13), OLT (N = 3), or albendazole therapy alone (N = 11)...
January 9, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28060025/antibody-mediated-rejection-what-is-the-clinical-relevance
#18
Rachel Hogen, Joseph DiNorcia, Kiran Dhanireddy
PURPOSE OF REVIEW: The review outlines the diagnosis, clinical implications, and treatment strategies for acute and chronic antibody-mediated rejection (AMR) after orthotopic liver transplantation (OLT). RECENT FINDINGS: A combination of clinical work-up, histopathology, C4d staining, and donor-specific antibody (DSA) should be used to diagnose AMR. The differential diagnosis for idiopathic fibrosis now includes chronic AMR. Characterization of pathogenic DSA continues to progress...
January 3, 2017: Current Opinion in Organ Transplantation
https://www.readbyqxmd.com/read/28057167/moderate-dose-regular-lifelong-alcohol-intake-changes-the-intestinal-flora-protects-against-aging-and-keeps-spatial-memory-in-the-senescence-accelerated-mouse-prone-8-samp8-model
#19
Chikako Shimizu, Yasuhiro Oki, Yutaka Mitani, Youichi Tsuchiya, Toshitaka Nabeshima
PURPOSE: Heavy and long-term alcohol consumption increase the risk of alcohol-related diseases. Epidemiological studies show moderate drinking reduces the risk of mortality, cardiovascular diseases, and brain infarction in the J-shaped or U-shaped curve effect. However, why moderate drinkers may be healthy and non-drinkers may be ill in diverse populations remains controversial. Herein, we examined the relationship between moderate/lifelong alcohol intake and aging, especially aging-related cognitive functions in senescence-accelerated mouse prone 8 (SAMP8) model...
October 2016: Journal of Pharmacy & Pharmaceutical Sciences: a Publication of the Canadian Society for Pharmaceutical Sciences
https://www.readbyqxmd.com/read/27996360/liver-transplantation-for-hepatocellular-carcinoma-in-young-adults-a-united-network-for-organ-sharing-study
#20
Stefanie M Thomas, Diana Moke, Rocio Lopez, Rabi Hanna, Mohammad Nasser Kabbany, Naim Alkhouri
PURPOSE: Orthotopic liver transplantation (OLT) is curative for hepatocellular carcinoma (HCC). HCC is typically a disease of older adults (OAs); therefore, characteristics and outcomes of OLT for young adults (YAs) (ages 18-40) are not described. The objective of this study was to assess the characteristics and outcomes of YAs with HCC receiving OLT and compare these to OAs (ages >40 years). METHODS: YAs with HCC who had OLT from the United Network for Organ Sharing (UNOS) database were included in this study...
December 20, 2016: Journal of Adolescent and Young Adult Oncology
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