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John Coutsouvelis, Sharon Avery, Michael Dooley, Carl Kirkpatrick, Andrew Spencer
Sinusoidal obstruction syndrome, previously known as veno-occlusive disease (VOD/SOS), is a complication in patients undergoing haemopoietic stem cell transplantation (HSCT). Severe VOD/SOS, including progression to multi-organ failure, has resulted in a mortality of greater than 80%. Defibrotide's varying pharmacological actions, particularly on endothelial cells, make it is a useful agent to consider for prophylaxis and treatment of VOD/SOS. Barriers to its routine use include the high acquisition cost and the fact that neither the oral or parenteral formulations are licensed products in many countries at this time...
September 30, 2016: Cancer Treatment Reviews
Fabio Pezzoni, Fabrizio Ildefonso Scroppo
OBJECTIVES: In 2013 the International Society for Sexual Medicine(ISSM) published the guidelines regarding the standard operating procedure (SOP) for penile duplex Doppler ultrasound (PDDU). Although ISSM-SOP have given important strides in reducing interobserver variability in PDDU by procedural protocol and parameters these guidelines do not address the anatomic location along the penis at which hemodynamic measurements have to be done. In our opinion a "double sampling" may be interesting to detect the arteriogenic or venogenic nature of the erectile dysfunction (ED)...
October 5, 2016: Archivio Italiano di Urologia, Andrologia
Michael J Ellis, Dean M Cordingley, Sara Vis, Karen M Reimer, Jeff Leiter, Kelly Russell
OBJECTIVE There were 2 objectives of this study. The first objective was to identify clinical variables associated with vestibulo-ocular dysfunction (VOD) detected at initial consultation among pediatric patients with acute sports-related concussion (SRC) and postconcussion syndrome (PCS). The second objective was to reexamine the prevalence of VOD in this clinical cohort and evaluate the effect of VOD on length of recovery and the development of PCS. METHODS A retrospective review was conducted for all patients with acute SRC and PCS who were evaluated at a pediatric multidisciplinary concussion program from September 2013 to May 2015...
September 30, 2016: Journal of Neurosurgery. Pediatrics
Stefano Botti, Laura Orlando, Gianpaolo Gargiulo, Valentina De Cecco, Marina Banfi, Lorenzo Duranti, Emanuela Samarani, Maria Giovanna Netti, Marco Deiana, Vera Galuppini, Adriana Concetta Pignatelli, Rosanna Ceresoli, Alessio Vedovetto, Elena Rostagno, Marilena Bambaci, Cristina Dellaversana, Stefano Luminari, Francesca Bonifazi
Veno-occlusive disease (VOD) is a complication arising from the toxicity of conditioning regimens that have a significant impact on the survival of patients who undergo stem cell transplantation. There are several known risk factors for developing VOD and their assessment before the start of conditioning regimens could improve the quality of care. Equally important are early identification of signs and symptoms ascribable to VOD, rapid diagnosis, and timely adjustment of support therapy and treatment. Nurses have a fundamental role at the stages of assessment and monitoring for signs and symptoms; therefore, they should have documented skills and training...
2016: Ecancermedicalscience
Paola Tocchetti, Elena Tudone, Jean-Francois Marier, Thomas C Marbury, Katie Zomorodi, Mark Eller
Hepatic veno-occlusive disease, also called sinusoidal obstruction syndrome (VOD/SOS), is an unpredictable, potentially life-threatening complication of hematopoietic stem cell transplant conditioning. Severe VOD/SOS, generally associated with multiorgan dysfunction (pulmonary or renal dysfunction), may be associated with >80% mortality. Defibrotide, recently approved in the US, has demonstrated efficacy treating hepatic VOD/SOS with multiorgan dysfunction. Because renal impairment is prevalent in patients with VOD/SOS, this Phase I, open-label, two-part study in adults examined the effects of hemodialysis and severe or end-stage renal disease (ESRD) on defibrotide pharmacokinetics (PK)...
2016: Drug Design, Development and Therapy
Hui-Zhu Kang, Xiao-Li Zheng, Zhi-Dong Wang, Dong-Mei Han, Li Ding, Heng-Xiang Wang
OBJECTIVE: To evaluate the morbidity, risk factors, clinical characterisitics, treatments and prognosis of delayed hepatic veno-occlusive disease(HVOD) after haploidentical hematopoietic stem cell transplantation (hi-HSCT). METHODS: The clinical data of 208 patients undergoing hi-HSCT were retrospectively analyzed. RESULTS: Six patients were diagnosed with delayed VOD, among them 4 patients were moderate VOD and 2 patients were severe VOD...
August 2016: Zhongguo Shi Yan Xue Ye Xue za Zhi
Feng Tian, Martin Brandt, Yi Y Liu, Kjeld Rasmussen, Rasmus Fensholt
Woody vegetation in global tropical drylands is of significant importance for both the inter-annual variability of the carbon cycle and local livelihoods. Satellite observations over the past decades provide a unique way to assess the vegetation long-term dynamics across biomes worldwide. Yet, the actual changes in the woody vegetation are always hidden by inter-annual fluctuations of the leaf density, because the most widely used remote sensing data are primarily related to the photosynthetically active vegetation components...
August 12, 2016: Global Change Biology
Micah A Skeens, Jennifer McArthur, Ira M Cheifetz, Christine Duncan, Adrienne G Randolph, Joseph Stanek, Leslie Lehman, Rajinder Bajwa
Veno-occlusive disease (VOD) is a potentially fatal complication of hematopoietic stem cell transplantation (HSCT). Patients with VOD are often critically ill and require close collaboration between transplant physicians and intensivists. We surveyed members of a consortium of pediatric intensive care unit (PICU) and transplant physicians to assess variability in the self-reported approach to the diagnosis and management of VOD. An internet-based self-administered survey was sent to pediatric HSCT and PICU providers from September 2014 to February 2015...
October 2016: Biology of Blood and Marrow Transplantation
Robert Chiesa, Annalisa Ruggeri, Annalisa Paviglianiti, Marco Zecca, Marta Gónzalez-Vicent, Victoria Bordon, Jerry Stein, Sarah Lawson, Sophie Dupont, Edoardo Lanino, Manuel Abecasis, Amal Al-Seraihy, Chantal Kenzey, Marc Bierings, Franco Locatelli, Eliane Gluckman, Ansgar Schulz, Andrew Gennery, Kristin Page, Joanne Kurtzberg, Vanderson Rocha
Hematopoietic stem cell transplantation (HSCT) is the only curative treatment for most children with osteopetrosis (OP). Timing of HSCT is critical; therefore, umbilical cord blood transplantation (UCBT) is an attractive option. We analyzed outcomes after UCBT in 51 OP children. Median age at UCBT was 6 months. Seventy-seven percent of the cord blood grafts had 0 or 1 HLA disparity with the recipient. Conditioning regimen was myeloablative (mostly busulfan-based in 84% and treosulfan-based in 10%). Antithymocyte globulin was given to 90% of patients...
November 2016: Biology of Blood and Marrow Transplantation
Selim Corbacioglu, Enric Carreras, Mohamad Mohty, Antonio Pagliuca, Jaap Jan Boelens, Gandhi Damaj, Massimo Iacobelli, Dietger Niederwieser, Eduardo Olavarría, Felipe Suarez, Tapani Ruutu, Leo Verdonck, Robin Hume, Bijan Nejadnik, Chinglin Lai, Giorgia Finetto, Paul Richardson
Hepatic veno-occlusive disease, also called sinusoidal obstruction syndrome (VOD/SOS), is an unpredictable and potentially fatal complication of hematopoietic cell transplantation (HCT) or nontransplantation-associated chemotherapy/radiotherapy. In cases of severe hepatic VOD/SOS, typically defined by associated multiorgan failure (MOF, also known as multiorgan dysfunction), mortality exceeds 80%. Preclinical and early clinical data have provided a rationale for defibrotide treatment in hepatic VOD/SOS. Based on this evidence and in recognition of the dismal prognosis for these patients, defibrotide was made available through an international multicenter compassionate-use program conducted from December 1998 to March 2009...
October 2016: Biology of Blood and Marrow Transplantation
Tomoharu Miyashita, Ali Karim Ahmed, Shinichi Nakanuma, Koichi Okamoto, Seisho Sakai, Jun Kinoshita, Isamu Makino, Keishi Nakamura, Hironori Hayashi, Katsunobu Oyama, Hidehiro Tajima, Hiroyuki Takamura, Itasu Ninomiya, Sachio Fushida, John W Harmon, Tetsuo Ohta
A number of studies have reported that acute lung injury (ALI) and acute respiratory distress syndrome (ARDS) are independent risk factors for organ dysfunction and mortality in patients with sepsis. Although ALI/ARDS might be an essential therapeutic target during the management of sepsis, severe sepsis should be treated effectively and as soon as identified. We have classified three phases, ranging from sepsis to organ dysfunction, characterizing the interaction between neutrophils and platelets. The first phase is neutrophil extracellular trap (NET) formation and intravasated platelet aggregation...
July 2016: In Vivo
Arin L Madenci, Alyssa Stetson, Christopher B Weldon, Leslie E Lehmann
Hepatic VOD (veno-occlusive disease) is a serious complication of HSCT (hematopoietic stem cell transplantation) and has historically been associated with high mortality. This obstruction to hepatic flow often results in fluid collections in the peritoneal and pleural cavities. Catheter placement to drain ascites or pleural fluid may reduce intra-abdominal hypertension and/or improve respiratory parameters. The safety of these interventions among critically ill, immunocompromised children is unknown. Among 32 HSCT recipients (2000-2012) with severe VOD, we assessed the primary outcome of procedural complication from peritoneal drain placement...
August 2016: Pediatric Transplantation
Kwi Suk Kim, Aree Moon, Hyoung Jin Kang, Hee Young Shin, Young Hee Choi, Hyang Sook Kim, Sang Geon Kim
AIM: To analyze the association between plasma bilirubin levels and veno-occlusive disease (VOD) in non-adult patients undergoing hematopoietic stem cell transplantation (HSCT) during cyclosporine therapy. METHODS: A total of 123 patients taking cyclosporine were evaluated using an electronic medical system at the Seoul National University Children's Hospital from the years 2004 through 2011. Patients were grouped by age and analyzed for incidence and type of adverse drug reactions (ADRs) including VOD...
June 24, 2016: World Journal of Transplantation
Alexandra G Konings, Pierre Gentine
Droughts are expected to become more frequent and more intense under climate change. Plant mortality rates and biomass declines in response to drought depend on stomatal and xylem flow regulation. Plants operate on a continuum of xylem and stomatal regulation strategies from very isohydric (strict regulation) to very anisohydric. Co-existing species may display a variety of isohydricity behaviors. As such, it can be difficult to predict how to model the degree of isohydricity at the ecosystem scale by aggregating studies of individual species...
June 23, 2016: Global Change Biology
Kellie J Nazemi, Violet Shen, Jonathan L Finlay, James Boyett, Mehmet Kocak, Deborah Lafond, Sharon L Gardner, Roger J Packer, H Stacy Nicholson
BACKGROUND: The outcomes with high-risk central nervous system (CNS) embryonal tumors remain relatively poor despite aggressive treatment. The purposes of this study using postirradiation myeloablative chemotherapy with autologous hematopoietic stem cell rescue (ASCR) were to document feasibility and describe toxicities of the regimen, establish the appropriate dose of thiotepa, and estimate the overall survival (OS) and event-free survival (EFS). PROCEDURE: The Children's Cancer Group conducted this pilot study in children and adolescents with CNS embryonal tumors...
September 2016: Pediatric Blood & Cancer
M Mohty, F Malard, M Abecassis, E Aerts, A S Alaskar, M Aljurf, M Arat, P Bader, F Baron, A Bazarbachi, D Blaise, F Ciceri, S Corbacioglu, J-H Dalle, F Dignan, T Fukuda, A Huynh, T Masszi, M Michallet, A Nagler, M NiChonghaile, S Okamoto, A Pagliuca, C Peters, F B Petersen, P G Richardson, T Ruutu, B N Savani, E Wallhult, I Yakoub-Agha, R F Duarte, E Carreras
Sinusoidal obstruction syndrome, also known as veno-occlusive disease (SOS/VOD), is a potentially life threatening complication that can develop after hematopoietic cell transplantation. Although SOS/VOD progressively resolves within a few weeks in most patients, the most severe forms result in multi-organ dysfunction and are associated with a high mortality rate (>80%). Therefore, careful attention must be paid to allow an early detection of SOS/VOD, particularly as drugs have now proven to be effective and licensed for its treatment...
July 2016: Bone Marrow Transplantation
Christopher Strouse, Paul Richardson, Grant Prentice, Sandra Korman, Robin Hume, Bijan Nejadnik, Mary M Horowitz, Wael Saber
Veno-occlusive disease (VOD) is an early and serious complication of hematopoietic cell transplantation (HCT) that is associated with inferior survival, particularly when it is complicated by multiorgan failure (severe VOD). We evaluated the efficacy of defibrotide in the treatment of severe VOD using observational data from the Center for International Blood and Marrow Transplant Research (CIBMTR). Eight thousand three hundred forty-one patients treated by HCT between 2008 and 2011 were identified from the CIBMTR clinical database; 3...
July 2016: Biology of Blood and Marrow Transplantation
Dominique-Charles Valla, Dominique Cazals-Hatem
Sinusoidal obstruction syndrome (SOS) is characterized by damage to small hepatic vessels affecting particularly sinusoidal endothelium. Damaged sinusoids can be associated with a partial or complete occlusion of small hepatic veins, hence the previous denomination of hepatic veno-occlusive disease (VOD). Exposure to certain exogenous toxins appears to be specific to this condition and is frequently included in its definition. Typical histopathological features of SOS in a liver biopsy specimen are presented in the text...
September 2016: Clinics and Research in Hepatology and Gastroenterology
Irina Zaidman, Jacob M Rowe, Abdalla Khalil, Myriam Ben-Arush, Ronit Elhasid
Hematopoietic stem cell transplantation (HSCT) is the only proven curative option for patients with hemoglobinopathies, both thalassemia and sickle cell anemia (SCA). A busulfan-based myeloablative conditioning regimen is the standard of care for HSCT in these patients, although increased treatment-related morbidity, including veno-occlusive disease (VOD), has been demonstrated. Thirty-eight pediatric patients, median age 8 years (range, 6 months to 22 years), suffering from hemoglobinopathy were treated at Rambam Medical Center in Haifa, Israel, between 1998 and 2011...
June 2016: Biology of Blood and Marrow Transplantation
Ho Jin Lee, Doo Yong Choi, Myoung Hoon Shin, Jong Tae Kim, Il Sup Kim, Jae Taek Hong
PURPOSE: The occipital condyle (OC) screw can be a viable alternative option for the occipito-cervical fixation. However, the risk of vertebral artery (VA) injury during the direct OC screw fixation has not been adequately assessed. The purpose of this study was to establish the course of the VA (V3) relative to the nearby osseous structures to estimate the feasibility of OC screw fixation and describe its anatomical relationship depending on patient's age and sex. METHODS: A total of 387 three-dimensional computed tomographic angiograms (3D-CTA) were used and compared between two age groups...
June 2016: European Spine Journal
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