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https://www.readbyqxmd.com/read/28640087/fatal-lactic-acidosis-in-hepatitis-b-virus-associated-decompensated-cirrhosis-treated-with-tenofovir-a-case-report
#1
Tae Yang Jung, Dae Won Jun, Kang Nyeong Lee, Hang Lak Lee, Oh Young Lee, Byung Chul Yoon, Ho Soon Choi
RATIONALE: Recently tenofovir disoproxil fumarate (TDF) has been widely used as a first-line therapy for chronic hepatitis B (CHB) infection. Although TDF demonstrates successful viral suppression, the possibility of renal failure and lactic acidosis has been proposed with TDF administration, especially in human immunodeficiency virus co-infected patients. However, TDF induced lactic acidosis has never been reported in CHB mono-infected patients. PATIENT CONCERNS: A 59-year-old man received TDF for hepatitis B associated with cirrhosis...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28639102/the-clinical-and-genetic-characteristics-in-children-with-mitochondrial-disease-in-china
#2
Fang Fang, Zhimei Liu, Hezhi Fang, Jian Wu, Danmin Shen, Suzhen Sun, Changhong Ding, Tongli Han, Yun Wu, Junlan Lv, Lei Yang, Shufang Li, Jianxin Lv, Ying Shen
Mitochondrial disease was a clinically and genetically heterogeneous group of diseases, thus the diagnosis was very difficult to clinicians. Our objective was to analyze clinical and genetic characteristics of children with mitochondrial disease in China. We tested 141 candidate patients who have been suspected of mitochondrial disorders by using targeted next-generation sequencing (NGS), and summarized the clinical and genetic data of gene confirmed cases from Neurology Department, Beijing Children's Hospital, Capital Medical University from October 2012 to January 2015...
June 16, 2017: Science China. Life Sciences
https://www.readbyqxmd.com/read/28637934/a-case-of-rhabdomyolysis-after-status-epilepticus-without-stroke-like-episodes-in-mitochondrial-myopathy-encephalopathy-lactic-acidosis-and-stroke-like-episodes
#3
Jun Yokoyama, Hiroo Yamaguchi, Hiroshi Shigeto, Takeshi Uchiumi, Hiroyuki Murai, Jun-Ichi Kira
No abstract text is available yet for this article.
June 22, 2017: Rinshō Shinkeigaku, Clinical Neurology
https://www.readbyqxmd.com/read/28632474/evaluation-of-the-concurrent-use-of-dolutegravir-and-metformin-in-human-immunodeficiency-virus-infected-patients
#4
Anne Masich, Melissa E Badowski, Michelle D Liedtke, Patricia P Fulco
An analysis of the interaction between dolutegravir and metformin was conducted in the HIV ambulatory clinic setting. This was a multicenter, retrospective case series evaluating adult, HIV-infected patients concurrently prescribed dolutegravir and metformin. Historical electronic medical records were utilized to collect case-specific data. Laboratory parameters including serum creatinine (SCr), hemoglobin A1c (HgbA1c), plasma HIV RNA, CD4 cell count, and lactate were reviewed. Adverse drug reactions were assessed using patient-reported gastrointestinal intolerance and hypoglycemic symptoms...
January 1, 2017: International Journal of STD & AIDS
https://www.readbyqxmd.com/read/28627473/glycyrrhetic-acid-but-not-glycyrrhizic-acid-strengthened-entecavir-activity-by-promoting-its-subcellular-distribution-in-the-liver-via-efflux-inhibition
#5
Qianying Chen, Hongzhu Chen, Wenjie Wang, Jiali Liu, Wenyue Liu, Ping Ni, Guowei Sang, Guangji Wang, Fang Zhou, Jingwei Zhang
Entecavir (ETV) is a superior nucleoside analogue used to treat hepatitis B virus (HBV) infection. Although its advantages over other agents include low viral resistance and the elicitation of a sharp decrease in HBV DNA, adverse effects such as hepatic steatosis, hepatic damage and lactic acidosis have also been reported. Glycyrrhizin has long been used as hepato-protective medicine. The clinical combination of ETV plus glycyrrhizin in China displays better therapeutic effects and lower rates of liver damage...
June 13, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28620552/refractory-lactic-acidosis-in-small-cell-carcinoma-of-the-lung
#6
Daniel J Oh, Ellen Dinerman, Andrew H Matthews, Abraham W Aron, Katherine M Berg
BACKGROUND: Elevated lactate levels in critically ill patients are most often thought to be indicative of relative tissue hypoxia or type A lactic acidosis. Shock, severe anemia, and thromboembolic events can all cause elevated lactate due to tissue hypoperfusion, as well as the mitochondrial dysfunction thought to occur in sepsis and other critically ill states. Malignancy can also lead to elevation in lactate, a phenomenon described as type B lactic acidosis, which is much less commonly encountered in the critically ill...
2017: Case Reports in Critical Care
https://www.readbyqxmd.com/read/28620551/mitochondrial-cardiomyopathy-presenting-as-dilated-phase-of-hypertrophic-cardiomyopathy-diagnosed-with-histological-and-genetic-analyses
#7
Toshiki Kuno, Syohei Imaeda, Yohei Asakawa, Hiroshi Nakamura, Genzou Takemura, Daisuke Asahara, Akira Kanamori, Tomoyuki Kabutoya, Yohei Numasawa
We report a case with 46-year-old man diagnosed with mitochondrial cardiomyopathy in the dilated phase of hypertrophic cardiomyopathy. Since cardiac magnetic resonance imaging, beta-methyl-p-(123)I-iodophenyl-pentadecanoic myocardial scintigraphy, and positron emission tomography/computed tomography revealed no remarkable findings, we performed electron microscopic examination, which aided in diagnosing mitochondrial cardiomyopathy. Muscle biopsy was also compatible with mitochondrial encephalomyopathy, lactic acidosis, and stroke-like episodes and DNA analysis also concluded it...
2017: Case Reports in Cardiology
https://www.readbyqxmd.com/read/28620491/pseudo-thrombotic-thrombocytopenic-purpura-presenting-as-multi-organ-dysfunction-syndrome-a-rare-complication-of-pernicious-anemia
#8
Saroj Kandel, Nibash Budhathoki, Shanta Pandey, Bikash Bhattarai, Aam Baqui, Ramesh Pandey, Divya Salhan, Danilo Enriquez, Joseph Quist, Frances M Schmidt
OBJECTIVE: We present a rare case of pernicious anemia presented as multi-organ dysfunction syndrome, later found to have pseudo-thrombotic thrombocytopenic purpura. METHODS: An 86-year-old female presented with respiratory distress, altered mental status, acute renal failure and was intubated in emergency room. She was found to have severe anemia, thrombocytopenia, high lactate, high lactate dehydrogenase and low haptoglobin. Peripheral smear revealed multilobulated neutrophils with schistocytes, poikilocytes and anisocytes...
2017: SAGE open medical case reports
https://www.readbyqxmd.com/read/28616207/changes-in-metformin-use-in-chronic-kidney-disease
#9
Talha H Imam
Metformin is one of the oldest and most widely prescribed antidiabetic medicines worldwide. It is the only such medicine that has shown a reduction of cardiovascular mortality in diabetes mellitus type 2. Since many diabetic patients have chronic kidney disease, its use is often curtailed by practitioners due to fear of lactic acidosis and the US Food and Drug Administration (FDA) warnings that, until recently, had been in place for decades. Current guidelines, though somewhat vague regarding dosages, clearly pave the way for spreading the use of metformin in patients with lower glomerular filtration rates...
June 2017: Clinical Kidney Journal
https://www.readbyqxmd.com/read/28606929/targeting-oxygen-sensing-prolyl-hydroxylase-phd-for-metformin-associated-lactic-acidosis-treatment
#10
Tomoko Oyaizu-Toramaru, Tomohiro Suhara, Noriyo Hayakawa, Takashi Nakamura, Akiko Kubo, Shizuka Minamishima, Kyoji Yamaguchi, Takako Hishiki, Hiroshi Morisaki, Makoto Suematsu, Yoji Andrew Minamishima
Metformin is one of the most widely used therapeutics for type 2 diabetes mellitus and also has anti-cancer and anti-aging properties. However, it is known to induce metformin-associated lactic acidosis (MALA), a severe medical condition with poor prognosis, especially in individuals with renal dysfunction. Inhibition of prolyl hydroxylase (PHD) is known to activate transcription factor HIF (hypoxia-inducible factor) that increases lactate efflux as a result of enhanced glycolysis, but it also enhances gluconeogenesis from lactate in the liver that contributes to reducing circulating lactate levels...
June 12, 2017: Molecular and Cellular Biology
https://www.readbyqxmd.com/read/28600630/arterial-versus-venous-lactate-a-measure-of-sepsis-in-children
#11
Sahan Asela Samaraweera, Berwyck Gibbons, Anami Gour, Philip Sedgwick
This study assessed the agreement between arterial and venous blood lactate and pH levels in children with sepsis. This retrospective, three-year study involved 60 PICU patients, with data collected from electronic or paper patient records. The inclusion criteria comprised of children (≤17 years old) with sepsis and those who had a venous blood gas taken first with an arterial blood gas taken after within one hour. The lactate and pH values measured through each method were analysed. There is close agreement between venous and arterial lactate up to 2 mmol/L...
June 10, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/28594869/compound-heterozygous-mutations-in-glycyl-trna-synthetase-gars-cause-mitochondrial-respiratory-chain-dysfunction
#12
Michael Nafisinia, Lisa G Riley, Wendy A Gold, Kaustuv Bhattacharya, Carolyn R Broderick, David R Thorburn, Cas Simons, John Christodoulou
Glycyl-tRNA synthetase (GARS; OMIM 600287) is one of thirty-seven tRNA-synthetase genes that catalyses the synthesis of glycyl-tRNA, which is required to insert glycine into proteins within the cytosol and mitochondria. To date, eighteen mutations in GARS have been reported in patients with autosomal-dominant Charcot-Marie-Tooth disease type 2D (CMT2D; OMIM 601472), and/or distal spinal muscular atrophy type V (dSMA-V; OMIM 600794). In this study, we report a patient with clinical and biochemical features suggestive of a mitochondrial respiratory chain (MRC) disorder including mild left ventricular posterior wall hypertrophy, exercise intolerance, and lactic acidosis...
2017: PloS One
https://www.readbyqxmd.com/read/28592308/examining-clinical-similarities-between-myalgic-encephalomyelitis-chronic-fatigue-syndrome-and-d-lactic-acidosis-a-systematic-review
#13
REVIEW
Amy Wallis, Michelle Ball, Sandra McKechnie, Henry Butt, Donald P Lewis, Dorothy Bruck
BACKGROUND: The pursuit for clarity in diagnostic and treatment pathways for the complex, chronic condition of myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) continues. This systematic review raises a novel question to explore possible overlapping aetiology in two distinct conditions. Similar neurocognitive symptoms and evidence of D-lactate producing bacteria in ME/CFS raise questions about shared mechanisms with the acute condition of D-lactic acidosis (D-la). METHODS: D-la case reports published between 1965 and March 2016 were reviewed for episodes describing both neurological symptoms and high D-lactate levels...
June 7, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28589178/intramyocellular-lipid-excess-in-the-mitochondrial-disorder-melas-mrs-determination-at-7t
#14
Sailaja Golla, Jimin Ren, Craig R Malloy, Juan M Pascual
OBJECTIVE: There is a paucity of objective, quantifiable indicators of mitochondrial disease available for clinical and scientific investigation. METHODS: To this end, we explore intramyocellular lipid (IMCL) accumulation noninvasively by 7T magnetic resonance spectroscopy (MRS) as a reporter of metabolic dysfunction in MELAS (mitochondrial encephalomyopathy, lactic acidosis, and stroke-like episodes). We reasoned that mitochondrial dysfunction may impair muscle fat metabolism, resulting in lipid deposition (as is sometimes observed in biopsies), and that MRS is well suited to quantify these lipids...
June 2017: Neurology. Genetics
https://www.readbyqxmd.com/read/28586613/hyperlactetemia-and-its-trends-in-critically-ill-children-admitted-in-pediatric-intensive-care-unit-of-a-developing-country
#15
Qalab Abbas, Muhammad Tariq Jamil, Leena Jafri, Anwar Ul Haque, Vivek Khetpal
OBJECTIVE: There is increasing evidence that in setting of critical ailments clinical signs lag biomarkers like Lactate and hyperlactetemia can be the only marker for this disorder. This study was conducted to describe the incidence of hyperlactatemia in critically ill children and its association with outcome. METHODS: Retrospective review of medical records of all children who had their lactic acid (LA) levels measured during their admission in PICU from January 2014 to December 2015 was done...
October 2016: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/28584645/clinical-manifestations-in-two-patients-with-pyruvate-dehydrogenase-deficiency-and-long-term-survival
#16
Takanobu Yoshida, Jun Kido, Hiroshi Mitsubuchi, Shirou Matsumoto, Fumio Endo, Kimitoshi Nakamura
Pyruvate dehydrogenase E1-alpha deficiency (PDHAD) results in lactic acidosis and hyperpyruvatemia. Two patients with PDHAD, a man with a p.R263Q mutation, and a girl with a p.C145del mutation in PDHE1α, presented with lactic acidosis with neurological disorder. These patients were able to survive for a long period under careful nursing care. Herein, we discuss the factors contributing to their relatively stable clinical course, albeit with intellectual disability.
2017: Human Genome Variation
https://www.readbyqxmd.com/read/28579060/human-dihydrolipoamide-dehydrogenase-e3-deficiency-novel-insights-into-the-structural-basis-and-molecular-pathomechanism
#17
REVIEW
Attila Ambrus, Vera Adam-Vizi
This review summarizes our present view on the molecular pathogenesis of human (h) E3-deficiency caused by a variety of genetic alterations with a special emphasis on the moonlighting biochemical phenomena related to the affected (dihydro)lipoamide dehydrogenase (LADH, E3, gene: dld), in particular the generation of reactive oxygen species (ROS). E3-deficiency is a rare autosomal recessive genetic disorder frequently presenting with a neonatal onset and premature death; the highest carrier rate of a single pathogenic dld mutation (1:94-1:110) was found among Ashkenazi Jews...
June 2, 2017: Neurochemistry International
https://www.readbyqxmd.com/read/28568353/prevention-of-complications-in-glycogen-storage-disease-type-ia-with-optimization-of-metabolic-control
#18
REVIEW
M Dambska, E B Labrador, C L Kuo, D A Weinstein
Prior to 1971, type Ia glycogen storage disease was marked by life-threatening hypoglycemia, lactic acidosis, severe failure to thrive, and developmental delay. With the introduction of continuous feeds in the 1970s and cornstarch in the 1980s, the prognosis improved, but complications almost universally developed. Changes in the management of type Ia glycogen storage disease have resulted in improved metabolic control, and this manuscript reviews the increasing evidence that complications can be delayed or prevented with optimal metabolic control as previously was seen in diabetes...
June 1, 2017: Pediatric Diabetes
https://www.readbyqxmd.com/read/28565889/renal-function-markers-and-metformin-eligibility
#19
Carlos Tavares Bello, Ricardo Castro Fonseca, Francisco Sousa Santos, João Sequeira Duarte, Jorge Azinheira, Carlos Vasconcelos
BACKGROUND: Metformin is the cornerstone of the pharmacological therapy for type 2 Diabetes (T2D). It belongs to the biguanide class of drugs and it improves hepatic insulin resistance and enhances GLP-1 and peptide YY secretion. Although being considered safe regarding hypoglycemic risk, renal dysfunction remains the main obstacle to its use due to the underlying risk of lactic acidosis. In the recent past many authors used creatinine values as the decisive marker when it came to choose between pharmacological agents in DM...
May 31, 2017: Minerva Endocrinologica
https://www.readbyqxmd.com/read/28558845/metformin-is-not-associated-with-lactic-acidosis-in-patients-with-diabetes-undergoing-coronary-artery-bypass-graft-surgery-a-case-control-study
#20
Rakan I Nazer, Khalid A Alburikan
BACKGROUND: Metformin associated lactic acidosis (MALA) is a rare but lethal complication. There is no consensus regarding when to stop and resume metformin in patients who undergo coronary artery bypass grafting (CABG). This study aimed to determine if uninterrupted metformin administration in patients with diabetes undergoing CABG increases the risk of lactic acidosis. METHODS: Over a span of 12 months (2015-2016), 127 patients with type 2 diabetes underwent isolated CABG...
May 30, 2017: BMC Pharmacology & Toxicology
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