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metabolic encephalopathy

Angela C Gauthier, Joachim M Baehring
Hashimoto's encephalopathy is a rare, imprecisely defined autoimmune neurologic syndrome associated with Hashimoto's thyroiditis that normally responds to corticosteroids. Here, we describe the case of a 55-year-old woman who presented with subacute cognitive decline and ataxia. Neoplastic, paraneoplastic, infectious, and metabolic etiologies were ruled out. Anti-TPO antibody level was markedly elevated at 966U/mL. After one month of 60mg/day of oral prednisone, she felt back to baseline and her Montreal Cognitive Assessment dramatically improved...
October 12, 2016: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
Minkyung Jung, Shingo Kasamatsu, Tetsuro Matsunaga, Soichiro Akashi, Katsuhiko Ono, Akira Nishimura, Masanobu Morita, Hisyam Abdul Hamid, Shigemoto Fujii, Hiroshi Kitamura, Tomohiro Sawa, Tomoaki Ida, Hozumi Motohashi, Takaaki Akaike
Reactive persulfide species such as glutathione persulfide (GSSH) are highly abundant biomolecules. Persulfide dioxygenase (also called ethylmalonic encephalopathy protein 1, ETHE1) reportedly metabolizes GSSH to GSH with simultaneous oxygen consumption. How ETHE1 activity is regulated is still unclear, however. In this study, we describe the possible role of protein polysulfidation in the catalytic activity of ETHE1. We first found that ETHE1 catalyzed the persulfide dioxygenase reaction mostly for glutathione polysulfides, GS-(S)n-H, as well as for GSSH, but not for other endogenous persulfides such as cysteine and homocysteine persulfides/polysulfides...
October 11, 2016: Biochemical and Biophysical Research Communications
B G Rohit, Srinivasa Rao, Uma, Harish, Yjv Reddy
No abstract text is available yet for this article.
January 2016: Journal of the Association of Physicians of India
Gavin Wright, Mark Swain, Djillali Annane, Faouzi Saliba, Didier Samuel, Vicente Arroyo, Sharon DeMorrow, Anne Witt
At the recent ISHEN ('International Symposium of Hepatic Encephalopathy & Nitrogen Metabolism') conference in London, a whole session was dedicated to our increasing awareness of the importance of inflammation in the brain - termed 'neuroinflammation', in the development of Hepatic Encephalopathy (HE) - the neurological manifestations of advanced liver disease. In this review our ISHEN speakers further discuss the content of their sessional presentations and more broadly we discuss our understanding of the role of neuroinflammation in HE pathogenesis...
October 11, 2016: Metabolic Brain Disease
Seung-Young Oh, Hannah Lee, Yang-Hyo Park, Ho Geol Ryu
Seizure is the second most common neurologic complication after liver transplantation and may be caused by metabolic abnormalities, electrolyte imbalance, infection, and immunosuppressant toxicity. A 61-year-old male patient underwent liver transplantation due to hepatitis B virus-related liver cirrhosis with portal systemic encephalopathy. The immediate postoperative course of the patient was uncomplicated. However, on postoperative day (POD) 6, weakness developed in both lower extremities. No abnormal findings were detected on a brain computed tomography (CT) scan on POD 8, but a generalized tonic clonic seizure developed which was difficult to control even with multiple antiepileptic drugs...
October 2016: Korean Journal of Anesthesiology
Luisa Baker, Bernard Lanz, Fausto Andreola, Javier Ampuero, Anisha Wijeyesekera, Elaine Holmes, Nicolaas Deutz
Hepatic encephalopathy (HE) is a neuropsychiatric syndrome which frequently accompanies acute or chronic liver disease. It is characterized by a variety of symptoms of different severity such as cognitive deficits and impaired motor functions. Currently, HE is seen as a consequence of a low grade cerebral oedema associated with the formation of cerebral oxidative stress and deranged cerebral oscillatory networks. However, the pathogenesis of HE is still incompletely understood as liver dysfunction triggers exceptionally complex metabolic derangements in the body which need to be investigated by appropriate technologies...
September 30, 2016: Metabolic Brain Disease
Udo Bonnet, Claudia Selle, Ralf Kuhlmann
We report the case study of a 57-year-old Caucasian female with steroid-responsive encephalopathy associated with autoimmune thyroiditis (SREAT), commonly termed Hashimoto encephalopathy (HE). This presentation includes one of the longest lasting follow-up studies of HE considering the neuropsychiatric symptoms (here delirium, mania, and EEG-slowing) and their relation to serum autoantibody levels. Antithyroid-peroxidase autoantibodies, the hallmark of autoimmune thyroiditis, were found in the serum and also in the cerebrospinal fluid...
2016: Case Reports in Psychiatry
Ellie Wernham, Jason Gurney, James Stanley, Lis Ellison-Loschmann, Diana Sarfati
BACKGROUND: Internationally, a typical model of maternity care is a medically led system with varying levels of midwifery input. New Zealand has a midwife-led model of care, and there are movements in other countries to adopt such a system. There is a paucity of systemic evaluation that formally investigates safety-related outcomes in relationship to midwife-led care within an entire maternity service. The main objective of this study was to compare major adverse perinatal outcomes between midwife-led and medical-led maternity care in New Zealand...
September 2016: PLoS Medicine
Alistair J Gunn, Abbot R Laptook, Nicola J Robertson, John D Barks, Marianne Thoresen, Guido Wassink, Laura Bennet
Acute post-asphyxial encephalopathy around the time of birth remains a major cause of death and disability. The possibility that hypothermia may be able to prevent or lessen asphyxial brain injury is a "dream revisited". In this review, a historical perspective is provided from the first reported use of therapeutic hypothermia for brain injuries in antiquity, to the present day. The first uncontrolled trials of cooling for resuscitation were reported more than 50 years ago. The seminal insight that led to the modern revival of studies of neuroprotection was that after profound asphyxia, many brain cells show initial recovery from the insult during a short "latent" phase, typically lasting approximately 6 h, only to die hours to days later after a "secondary" deterioration characterized by seizures, cytotoxic edema, and progressive failure of cerebral oxidative metabolism...
September 27, 2016: Pediatric Research
Raashda Ainuddin Sulaiman, Marwan Yassin Shaheen, Hamad Al-Zaidan, Zuhair Al-Hassnan, Moeenaldeen Al-Sayed, Zuhair Rahbeeni, Nasir Ahmed Bakshi, Namik Kaya, Mazhor Aldosary, Mohammed Al-Owain
We report an unusual case of recurrent encephalopathy due to acquired hemophagocytic lymphohistiocytosis (HLH) in a patient with propionic acidemia (PA). PA is an inherited metabolic disorder in which patients often present with encephalopathy and pancytopenia during metabolic decompensation. However, these patients may rarely develop HLH with similar presentation. This case illustrates the need to distinguish HLH induced encephalopathy from the one secondary to metabolic decompensation in these patients, as early diagnosis and treatment of HLH improves prognosis...
August 2016: Intractable & Rare Diseases Research
Airi Tiirats, Triin Viltrop, Margit Nõukas, Ene Reimann, Andres Salumets, Sulev Kõks
BACKGROUND: Despite extensive research the genetic component of extremely low birth weight (ELBW) in newborns has remained obscure. RESULTS: The aim of the case study was to identify candidate gene(s) causing ELBW in newborns and hypotrophy in infants. A family of four was studied: mother, father and two ELBW-phenotype children. Studies were made of the medical conditions of the second child at birth and post-partum - peculiar phenotype, micro-anomalies, recurrent infections, suspicion of autoimmune hepatitis, multifactorial encephalopathy and suspected metabolic and chromosomal abnormalities...
2016: BMC Genetics
Rune Gangsoy Kristiansen
Alterations in interorgan metabolism of ammonia play an important role in the onset of hyperammonemia in liver failure. Glutamine synthetase (GS) in muscle is an important target for ammonia removal strategies in hyperammonemia. Ornithine Phenylacetate (OP) is hypothesized to remove ammonia by providing glutamate as a substrate for increased GS activity and hence glutamine production. The newly generated glutamine conjugates with phenylacetate forming phenylacetylglutamine which can be excreted in the urine, providing an excretion pathway for ammonia...
September 21, 2016: Metabolic Brain Disease
Wissam K Kabbara, Aline T Sarkis, Paola G Saroufim
This paper describes a case of an acute and fatal isoniazid-induced hepatotoxicity and provides a review of the literature. A 65-year-old female diagnosed with latent Mycobacterium tuberculosis infection was receiving oral isoniazid 300 mg daily. She was admitted to the hospital for epigastric and right sided flank pain of one-week duration. Laboratory results and imaging confirmed hepatitis. After ruling out all other possible causes, she was diagnosed with isoniazid-induced acute hepatitis (probable association by the Naranjo scale)...
2016: Case Reports in Infectious Diseases
Mark J W McPhail, Sara Montagnese, Manuela Villanova, Hamza El Hadi, Piero Amodio, Mary M E Crossey, Roger Williams, I Jane Cox, Simon D Taylor-Robinson
To date urinary metabolic profiling has been applied to define a specific metabolic fingerprint of hepatocellular carcinoma on a background of cirrhosis. Its utility for the stratification of other complications of cirrhosis, such as hepatic encephalopathy (HE), remains to be established. Urinary proton nuclear magnetic resonance ((1)H-NMR) spectra were acquired and NMR data from 52 patients with cirrhosis (35 male; 17 female, median (range) age [60 (18-81) years]) and 17 controls were compared. A sub-set of 45 patients (33 male; 12 female, [60 (18-90) years, median model for end stage liver disease (MELD) score 11 (7-27)]) were fully characterised by West-Haven criteria, Psychometric Hepatic Encephalopathy Score (PHES) and electroencephalogram (EEG), and defined as overt HE (OHE, n = 21), covert HE (cHE, n = 7) or no HE (n = 17)...
September 17, 2016: Metabolic Brain Disease
Henrik Zetterberg, Kaj Blennow
Diagnostic and prognostic biomarkers for mild traumatic brain injury (TBI), also known as concussion, remain a major unmet clinical need. Moderate to severe TBI can be diagnosed definitively by clinical assessment and standard neuroimaging techniques that detect the gross damage to the brain parenchyma. Diagnostic tools for mild TBI are lacking and, currently, the diagnosis has to be made on clinical grounds alone, because most patients show no gross pathological changes on CT. Most patients with mild TBI recover quickly, but about 15% develop an ill-defined condition called postconcussive syndrome (PCS)...
October 2016: Nature Reviews. Neurology
Jiří Ehrmann, Květa Aiglová, Michal Konečný, Vlastimil Procházka, Drahomíra Vrzalová
UNLABELLED: There are 40 000-60 000 patients with cirrhosis in the Czech Republic. 2 000 die of this disease yearly. This group of patients needs a complex treatment and it is mostly an internist cooperating with other specialists. The most important for an ambulant internist is to diagnose the disease as soon as possible and start with treatment of chronic liver disease that could lead to a cirrhosis. It means especially chronic viral hepatitis, alcoholic or non-alcoholic steatosis/steatohepatitis, auto-immune liver damage and metabolic disease...
2016: Vnitr̆ní Lékar̆ství
Adrienne Hughes, Alisha Brown, Matthew Valento
Baking soda is a readily available household product composed of sodium bicarbonate. It can be used as a home remedy to treat dyspepsia. If used in excessive amounts, baking soda has the potential to cause a variety of serious metabolic abnormalities. We believe this is the first reported case of hemorrhagic encephalopathy induced by baking soda ingestion. Healthcare providers should be aware of the dangers of baking soda misuse and the associated adverse effects.
September 2016: Western Journal of Emergency Medicine
Kacey B Anderson, Samuel M Poloyac, Patrick M Kochanek, Philip E Empey
Targeted temperature management (TTM) has been shown to reduce mortality and improve neurological outcomes in out-of-hospital cardiac arrest (CA) patients and in neonates with hypoxic-ischemic encephalopathy (HIE). TTM has also been associated with adverse drug events in the critically ill patient due to its effect on drug pharmacokinetics (PKs) and pharmacodynamics (PDs). We aim to evaluate the current literature on the effect of TTM on drug PKs and PDs following CA. MEDLINE/PubMed databases were searched for publications, which include the MeSH terms hypothermia, drug metabolism, drug transport, P450, critical care, cardiac arrest, hypoxic-ischemic encephalopathy, pharmacokinetics, and pharmacodynamics between July 2006 and October 2015...
September 13, 2016: Therapeutic Hypothermia and Temperature Management
Nicolae Sarbu, Robert Y Shih, Robert V Jones, Iren Horkayne-Szakaly, Laura Oleaga, James G Smirniotopoulos
White matter diseases include a wide spectrum of disorders that have in common impairment of normal myelination, either by secondary destruction of previously myelinated structures (demyelinating processes) or by primary abnormalities of myelin formation (dysmyelinating processes). The pathogenesis of many white matter diseases remains poorly understood. Demyelinating disorders are the object of this review and will be further divided into autoimmune, infectious, vascular, and toxic-metabolic processes. Autoimmune processes include multiple sclerosis and related diseases: tumefactive demyelinating lesions, Balo concentric sclerosis, Marburg and Schilder variants, neuromyelitis optica (Devic disease), acute disseminated encephalomyelitis, and acute hemorrhagic leukoencephalopathy (Hurst disease)...
September 2016: Radiographics: a Review Publication of the Radiological Society of North America, Inc
Sarah L Nickerson, Shanti Balasubramaniam, Philippa A Dryland, Jennifer M Love, Maina P Kava, Donald R Love, Debra O Prosser
Nonketotic hyperglycinemia, also known as glycine encephalopathy (OMIM #605899), is an autosomal recessive disorder of glycine metabolism resulting from a defect in the glycine cleavage system. We report two novel mutations of the glycine decarboxylase (GLDC) gene observed in a compound heterozygous state in a neonate of mixed Maori and Caucasian parentage: c.395C>T p.(Ser132Leu) in exon 3, and c.256-?_334+?del p.(Ser86Valfs*119), resulting in an out-of-frame deletion of exon 2. Additionally, we describe our experience of implementing the ketogenic diet, alongside standard pharmacological therapy, and highlight its potential therapeutic benefit in severe nonketotic hyperglycinemia, particularly in seizure management...
September 2016: Journal of Pediatric Genetics
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