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https://www.readbyqxmd.com/read/29341897/toxicity-and-toxicokinetics-of-amanita-exitialis-in-beagle-dogs
#1
Jian Sun, Yu-Min Niu, Yu-Tao Zhang, Hai-Jiao Li, Yu Yin, Yi-Zhe Zhang, Pei-Bin Ma, Jing Zhou, Lie Huang, Hong-Shun Zhang, Cheng-Ye Sun
In this study, the toxicology of A. exitialis, a lethal mushroom found in China, and the toxicokinetics of peptide toxins contained in it were evaluated. Beagles were fed A. exitialis powder (20 or 60 mg/kg) in starch capsules, after which they were assessed for signs of toxicity, as well as biochemical and pathological changes. Ultra-performance liquid chromatography-electrospray ionization-tandem mass spectrometry was used to assay the peptide toxins. The total peptide toxins in A. exitialis was 3482.6 ± 124...
January 13, 2018: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/29334938/therapeutic-plasma-exchange-in-a-tertiary-care-center-185-patients-undergoing-912-treatments-a-one-year-retrospective-analysis
#2
Julius J Schmidt, Firas Asper, Gunilla Einecke, Gabriele Eden, Carsten Hafer, Jan T Kielstein
BACKGROUND: Therapeutic plasma exchange (TPE) is increasingly used throughout the world. Although the procedure itself is fairly standardized, it is yet unknown how the underlying disease entities influence the key coordinates of the treatment. METHODS: Retrospective chart review. The treatment indications were clustered into four categories. Data are presented as median and interquartile (25-75%) range [IQR]. RESULTS: Within 1 year, 912 TPE treatments were performed in 185 patients (90 female, 48...
January 15, 2018: BMC Nephrology
https://www.readbyqxmd.com/read/29334853/therapeutic-plasma-exchange-use-in-pediatric-neurologic-disorders-at-a-tertiary-care-center-a-10-year-review
#3
Sonika Agarwal, Jake R Keller, Chloe E Nunneley, Eyal Muscal, Michael C Braun, Poyyapakkam Srivaths, Timothy E Lotze
Pediatric neurologic conditions requiring therapeutic plasma exchange are rare in children and literature is sparse. The study aims to determine the outcomes, safety, and feasibility of therapeutic plasma exchange treatment in pediatric neurologic disorders. This retrospective analysis looked at the outcomes and safety of therapeutic plasma exchange in children (n = 50) with neurologic conditions. Patient age ranged <1 to 19 years old with a mean of 10.35 years. Of the 50 children treated with plasmapheresis, 26 patients received inpatient rehabilitation...
February 2018: Journal of Child Neurology
https://www.readbyqxmd.com/read/29321928/lung-cancer-development-in-the-patient-with-granulomatosis-with-polyangiitis-during-long-term-treatment-with-cyclophosphamide-first-documented-case
#4
Midori Toriyama, Etsuko Tagaya, Tomoko Yamamoto, Mitsuko Kondo, Yoji Nagashima, Jun Tamaoki
A 65-year-old man was diagnosed with granulomatosis with polyangiitis (GPA) at the age of 47, when cytoplasmic anti-neutrophil cytoplasmic antibody (C-ANCA) serology was positive, and he had multiple nodular shadows in both lungs. He had been treated with prednisolone, cyclophosphamide (CPA) and plasma exchange. At the age of 64, a nodular shadow was newly detected in the right lower lung field and serum tumour marker increased. Subsequent positron emission tomography/computed tomography scan demonstrated accumulations of fluorodexyglucose (FDG) in the same area, mediastinum lymph nodes, thoracic wall, right iliac bone, and right retroperitoneum...
February 2018: Respirology Case Reports
https://www.readbyqxmd.com/read/29321925/lupus-pneumonitis-presenting-with-high-titre-of-anti-ro-antibody
#5
Mei-Chuan Chen, Yueh-Lin Wu, Kai-Ling Lee, Kevin S Lai, Chi-Li Chung
Lupus pneumonitis carries high mortality and is a rare manifestation of systemic lupus erythematosus (SLE). However, it is difficult to diagnose and is often mistaken as pneumonia, alveolar haemorrhage, or organizing pneumonia. Previous studies demonstrated that serum anti-Ro antibodies are elevated more frequently in SLE patients with pneumonitis than in those without. We report a 21-year-old female who was newly diagnosed as having SLE with nephritis and who suddenly developed right lung opacity and rapidly progressed to severe hypoxaemia despite the use of broad-spectrum antibiotics...
January 2018: Respirology Case Reports
https://www.readbyqxmd.com/read/29321467/importance-of-regular-and-maintenance-therapy-adherence-in-neuromyelitis-optica-nmo-lessons-from-a-repeating-relapse-case
#6
Jing Miao, Doreen E Aboagye, Boris Chulpayev, Lin Liu, Gary Ishkanian, Bangaruraju Kolanuvada, Dariush Alaie, Richard L Petrillo
BACKGROUND Neuromyelitis optica (NMO) is a rare demyelinating disease of the central nervous system; NMO predominantly affects the spinal cord and optic nerves. The diagnosis is based on history, clinical presentation, seropositive NMO-IgG antibody, and notably, exclusion of other diseases. Despite the absence of definitive therapeutic strategies for NMO, methylprednisolone pulse therapy and plasma exchange are used for acute phase treatment, while immunosuppressive agent(s) are recommended to prevent relapses and improve prognosis...
January 11, 2018: American Journal of Case Reports
https://www.readbyqxmd.com/read/29321424/a-case-of-anti-musk-antibody-positive-myasthenia-gravis-successfully-treated-with-outpatient-periodic-weekly-blood-purification-therapy
#7
Kentaro Deguchi, Kosuke Matsuzono, Yumiko Nakano, Syoichiro Kono, Kota Sato, Shoko Deguchi, Katsuyuki Tanabe, Nozomi Hishikawa, Yasuyuki Ota, Toru Yamashita, Kiyoe Ohta, Masakatsu Motomura, Koji Abe
A 37-year-old man with anti-muscle-specific tyrosine kinase (MuSK) antibody-positive myasthenia gravis (MG) presented with subacute progressive dysphagia and muscle weakness of the neck and bilateral upper extremities. Conventional immune-suppressive treatments and high-dose intravenous immunoglobulin were ineffective. He then displayed repeated exacerbations and remissions over the course of two years, despite two to four sessions of plasma exchange (PE) every two months. The patient was successfully treated with outpatient periodic weekly blood purification therapy with alternative PE and double-filtration plasmapheresis using an internal shunt...
January 11, 2018: Internal Medicine
https://www.readbyqxmd.com/read/29309797/treatment-of-pandas-and-pans-a-systematic-review
#8
REVIEW
Sofia Sigra, Eva Hesselmark, Susanne Bejerot
Pediatric autoimmune neuropsychiatric disorders associated with streptococcal infections (PANDAS) are a subtype of acute-onset obsessive-compulsive disorder (OCD) thought to be caused by an autoimmune response to group A streptococcal infection. Based on this proposed pathophysiology, alternative treatments for acute-onset OCD have been introduced, including antibiotics and immunomodulatory interventions. However, the literature on treatment of PANDAS is diverse, and clinical consensus regarding optimal treatment strategy is lacking...
January 5, 2018: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/29308211/elevated-homocysteine-and-n-methyl-d-aspartate-receptor-antibodies-as-a-cause-of-behavioural-and-cognitive-decline-in-22q11-2-deletion-syndrome
#9
Simon Vann Jones, Subimal Banerjee, A David Smith, Helga Refsum, Belinda Lennox
A 19-year-old male with 22q11.2 deletion syndrome presented with a 4-year history of cognitive decline and symptoms suggestive of atypical psychosis. Potential for elevated homocysteine and NMDA-receptor antibodies in the pathogenesis of his symptoms was investigated. He had elevated blood homocysteine level (18.7 μmol/l), low-normal vitamin B12 and folate levels and was positive for NMDA-receptor antibodies. Treatment with daily folinic acid (0.8 mg) and vitamin B12 (1 mg) led to dramatic improvement in his cognitive and behavioural presentation...
December 2017: Oxford Medical Case Reports
https://www.readbyqxmd.com/read/29307968/plasmapheresis-a-retrospective-audit-of-procedures-from-a-tertiary-care-center-in-southern-india
#10
O T Ahammed Nizar, Pratheeksha Rai, Shobhana Nayak Rao, M Pradeep Shenoy
Introduction: The term plasmapheresis/plasma exchange refers to the removal of the plasma component of blood and its replacement with various fluids. Plasma Exchange (PE) has been used to treat a variety of conditions that are associated with an aberrant immune response. We undertook this retrospective study aiming to look at plasmapheresis procedures conducted in the nephrology department over a fixed time period. Materials and Methods: Retrospective analysis of PE procedures from January 2013 to October 2016 was conducted in the nephrology and Intensive Care Unit of a tertiary care teaching hospital...
December 2017: Indian Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/29306308/use-of-plasma-exchange-as-therapeutic-tool-in-clinical-practice
#11
Isabel Laura Campano-Pérez, Rosario Olivera-Fernández, Lara González-Freire, Carlos Crespo-Diz
OBJECTIVE: To descrive the use of therapeutic plasma exchange in several pathologies and its adjustment to international reference guides. METHOD: Observational, descriptive, retrospective study, of all the patients that  received plasmapheresis between January 2014-December 2015. We analized  the appropriate indication according to the bibliography consulted, and the  therapeutic outcome. Indication, replaced volume of plasma, number of sessions  and periodicity were established by the Hematology Service depending  on the disease and its clinical course...
January 1, 2018: Farmacia Hospitalaria
https://www.readbyqxmd.com/read/29304523/insights-into-3d-structure-of-adamts13-a-stepping-stone-towards-novel-therapeutic-treatment-of-thrombotic-thrombocytopenic-purpura
#12
Bogac Ercig, Kanin Wichapong, Chris P M Reutelingsperger, Karen Vanhoorelbeke, Jan Voorberg, Gerry A F Nicolaes
ADAMTS13 (A D: isintegrin A: nd M: etalloprotease with a T: hromboS: pondin type-1 motif, member 13: ) and von Willebrand factor (VWF) can be considered as scale weights which control platelet adhesion during primary haemostasis. In a very uncommon condition designated thrombotic thrombocytopenic purpura (TTP), functional absence of ADAMTS13 tips the balance toward VWF-mediated platelet adhesion in the microcirculation. TTP is associated with a high mortality and arises from either a congenital or acquired autoimmune deficiency of the plasma enzyme ADAMTS13...
January 2018: Thrombosis and Haemostasis
https://www.readbyqxmd.com/read/29296863/management-of-thrombotic-thrombocytopenic-purpura-without-plasma-exchange-the-jehovah-s-witness-experience
#13
James N George, Steven A Sandler, Joanna Stankiewicz
TTP in Jehovah's Witness patients has been managed successfully without PEX.This experience, plus new TTP treatments, may make it possible for patients who are not Jehovah's Witnesses to avoid PEX in the future.
November 14, 2017: Blood Advances
https://www.readbyqxmd.com/read/29296854/cyclosporine-or-steroids-as-an-adjunct-to-plasma-exchange-in-the-treatment-of-immune-mediated-thrombotic-thrombocytopenic-purpura
#14
Spero R Cataland, Peter J Kourlas, Shangbin Yang, Susan Geyer, Leslie Witkoff, Haiwa Wu, Camila Masias, James N George, Haifeng M Wu
Although steroids are routinely used as an adjunct to plasma exchange (PEX) therapy in the treatment of immune-mediated thrombotic thrombocytopenic purpura (iTTP), limited data regarding their efficacy or effect on ADAMTS13 biomarkers are available. We report the results of a prospective, randomized study that compared the effectiveness of prednisone or cyclosporine (CSA) as adjuncts to PEX in the treatment of iTTP. A total of 26 of the planned 72 subjects were enrolled and treated from November 2007 until February 2014 before the study was halted after a planned interim analysis...
October 24, 2017: Blood Advances
https://www.readbyqxmd.com/read/29296701/thrombotic-thrombocytopenic-purpura-diagnostic-criteria-clinical-features-and-long-term-outcomes-from-1995-through-2015
#15
Evaren E Page, Johanna A Kremer Hovinga, Deirdra R Terrell, Sara K Vesely, James N George
Our objective was to describe new observations from the Oklahoma Thrombotic Thrombocytopenic Purpura (TTP) Registry experience (November 1995 through December 2015) on the diagnosis of TTP along with patients' clinical features and their outcomes. Among 363 patients with an initial episode of clinically suspected TTP, the diagnosis of TTP was supported by both ADAMTS13 activity <10% and clinical features in 78 patients (21%). ADAMTS13 activity was measured in all 363 patients by 2 methods: fluorescence resonance energy transfer (FRET) and immunoblotting (IB)...
April 11, 2017: Blood Advances
https://www.readbyqxmd.com/read/29288923/early-versus-late-institution-of-plasma-exchange-therapy-in-pregnancy-induced-thrombotic-microangiopathy-and-its-effects-on-clinical-outcomes-a-case-series
#16
Anupama Kaul, Kavita Vishwakarma, Dharmendra Singh Bhaduaria, Prabhaker Mishra, Narayan Prasad, Manoj Jain, Venkatesh Thammshetti, Manas R Patel, Amit Gupta, Raj Kumar Sharma
PURPOSE: To look for incidence of pregnancy associated TMA, clinical presentation and impact of early diagnosis and institution of plasma exchange on overall renal outcomes METHODS: -This is a retrospective study among all female patients who presented with acute kidney injury post pregnancy between October 2002 to April 2016 in department of nephrology in a tertiary care hospital in northern India and diagnosed as pregnancy induced TMA. The patient were assessed for duration of onset of renal failure to time of diagnosis of TMA, role of modality of treatment ie plasmpaharesis to outcome...
December 21, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/29280036/seronegative-autoimmune-autonomic-neuropathy-a-distinct-clinical-entity
#17
Elisabeth P Golden, Meredith A Bryarly, Steven Vernino
PURPOSE: Autoimmune autonomic ganglionopathy (AAG) is associated with ganglionic acetylcholine receptor (gAChR) antibodies. We describe a similar but distinct series of patients with autoimmune autonomic failure lacking this antibody. METHODS: Retrospective chart review. RESULTS: Six patients presented with subacute autonomic failure, seronegative for gAChR antibodies. Orthostatic hypotension and gastrointestinal complaints were common. Autonomic testing revealed predominant sympathetic failure and no premature pupillary redilation...
December 26, 2017: Clinical Autonomic Research: Official Journal of the Clinical Autonomic Research Society
https://www.readbyqxmd.com/read/29259835/efficacy-of-rituximab-in-a-systemic-lupus-erythematosus-patient-presenting-with-diffuse-alveolar-hemorrhage
#18
Gabriela Montes-Rivera, Grissel Ríos, Luis M Vilá
Diffuse alveolar hemorrhage (DAH) is a life-threatening complication of systemic lupus erythematosus (SLE). Although infrequent, its mortality is very high. While there are no established therapeutic guidelines, DAH has been traditionally managed with high-dose intravenous (IV) corticosteroids, cyclophosphamide, and plasma exchange. The efficacy of alternative therapies such as rituximab has been described only in a few cases. Herein, we report a 25-year-old Hispanic man who presented with acute-onset SLE manifested by polyarthralgia, nephritis, seizures, pancytopenia, severe hypocomplementemia, and elevated anti-dsDNA antibodies...
2017: Case Reports in Rheumatology
https://www.readbyqxmd.com/read/29259003/igg-in-normal-plasma-inhibits-hit-antibody-mediated-platelet-activation-implications-for-plasma-exchange-in-hit
#19
Curtis G Jones, Shannon M Pechauer, Brian R Curtis, Daniel W Bougie, Richard H Aster, Anand Padmanabhan
No abstract text is available yet for this article.
December 19, 2017: Blood
https://www.readbyqxmd.com/read/29250893/atypical-hemolytic-uremic-syndrome-a-meta-analysis-of-case-reports-confirms-the-prevalence-of-genetic-mutations-and-the-shift-of-treatment-regimens
#20
Vinod Krishnappa, Mohit Gupta, Mohamed Elrifai, Bahar Moftakhar, Michael J Ensley, Tushar J Vachharajani, Sidharth Kumar Sethi, Rupesh Raina
Atypical hemolytic uremic syndrome (aHUS) is a rare life-threatening thrombotic microangiopathy (TMA) affecting multiple organ systems. Recently, aHUS has been shown to be associated with uncontrolled complement activation due to mutations in the alternative pathway of complement components paving the way for targeted drug therapy. By meta-analysis of case reports, we discuss the impact of new treatment strategies on the resolution time of aHUS symptoms and mortality, and the distribution of genetic mutations...
December 17, 2017: Therapeutic Apheresis and Dialysis
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