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Ketogenic diet performance

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https://www.readbyqxmd.com/read/29658772/the-role-of-ketogenic-diets-in-the-therapeutic-management-of-adult-and-paediatric-gliomas-a-systematic-review
#1
Kirsty J Martin-McGill, Nisaharan Srikandarajah, Anthony G Marson, Catrin Tudur Smith, Michael D Jenkinson
AIM: We performed a systematic review of the evidence for effectiveness and acceptability of different ketogenic diets (KDs) in the therapeutic management of gliomas. METHODS: The search strategy included searches of seven electronic databases. Data extraction and quality assessment were undertaken independently by two authors. RESULTS: No randomized clinical trials were identified. Six studies (n = 39) met the eligibility criteria for this review - all were case series or reports and therefore at high risk of bias...
April 16, 2018: CNS Oncology
https://www.readbyqxmd.com/read/29619799/low-carbohydrate-ketogenic-diet-impairs-anaerobic-exercise-performance-in-exercise-trained-women-and-men-a-randomized-sequence-crossover-trial
#2
Kymberly A Wroble, Morgan N Trott, George G Schweitzer, Rabia S Rahman, Patrick V Kelly, Edward P Weiss
BACKGROUND: Low-carbohydrate, ketogenic diets cause mild, sub-clinical systemic acidosis. Anaerobic exercise performance is limited by acidosis. Therefore, we evaluated the hypothesis that a low-carbohydrate, ketogenic diet impairs anaerobic exercise performance, as compared to a high-carbohydrate diet. METHODS: Sixteen men and women (BMI, 23±1 kg/m2, age 23±1 yr) participated in a randomized-sequence, counterbalanced crossover study in which they underwent exercise testing after four days of either a low-carbohydrate, ketogenic diet (LC; <50 g/day and <10% of energy from carbohydrates) or a high-carbohydrate diet (HC; 6-10 g/kg/day carbohydrate)...
April 4, 2018: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/29588960/the-relationship-between-d-beta-hydroxybutyrate-blood-concentrations-and-seizure-control-in-children-treated-with-the-ketogenic-diet-for-medically-intractable-epilepsy
#3
Jeffrey R Buchhalter, Sabrina D'Alfonso, Mary Connolly, Ernest Fung, Aspasia Michoulas, David Sinasac, Rachel Singer, Jacklyn Smith, Narender Singh, Jong M Rho
Objective: The ketogenic diet (KD) is a proven treatment for drug-resistant (DR) seizures in children and adolescents. However, the relationship between seizure control and the most commonly measured metabolite of the diet, the ketone body d-beta-hydroxybutyrate (D-BHB), is controversial. This study was performed to clarify the relationship because specific ketone bodies may be useful as biomarkers of diet efficacy. Methods: Families of children with DR seizures were approached for participation in this open-label, prospective study when they were referred for the KD at two western Canadian children's hospitals...
September 2017: Epilepsia Open
https://www.readbyqxmd.com/read/29576959/the-use-of-nutritional-supplements-to-induce-ketosis-and-reduce-symptoms-associated-with-keto-induction-a-narrative-review
#4
Cliff J D C Harvey, Grant M Schofield, Micalla Williden
Background: Adaptation to a ketogenic diet (keto-induction) can cause unpleasant symptoms, and this can reduce tolerability of the diet. Several methods have been suggested as useful for encouraging entry into nutritional ketosis (NK) and reducing symptoms of keto-induction. This paper reviews the scientific literature on the effects of these methods on time-to-NK and on symptoms during the keto-induction phase. Methods: PubMed, Science Direct, CINAHL, MEDLINE, Alt Health Watch, Food Science Source and EBSCO Psychology and Behavioural Sciences Collection electronic databases were searched online...
2018: PeerJ
https://www.readbyqxmd.com/read/29455050/targeted-gene-panel-and-genotype-phenotype-correlation-in-children-with-developmental-and-epileptic-encephalopathy
#5
Ara Ko, Song Ee Youn, Se Hee Kim, Joon Soo Lee, Sangwoo Kim, Jong Rak Choi, Heung Dong Kim, Seung-Tae Lee, Hoon-Chul Kang
OBJECTIVE: We performed targeted gene-panel sequencing for children with developmental and epileptic encephalopathy (DEE) and evaluated the clinical implications of genotype-phenotype correlations. METHODS: We assessed 278 children with DEE using a customized gene panel that included 172 genes, and extensively reviewed their clinical characteristics, including therapeutic efficacy, according to genotype. RESULTS: In 103 (37.1%) of the 278 patients with DEE, 35 different disease-causing monogenic mutations were identified...
March 2018: Epilepsy Research
https://www.readbyqxmd.com/read/29422679/effects-of-the-ketogenic-diet-in-overweight-divers-breathing-enriched-air-nitrox
#6
Gerardo Bosco, Alex Rizzato, Silvia Quartesan, Enrico Camporesi, Devanand Mangar, Matteo Paganini, Lorenzo Cenci, Sandro Malacrida, Simona Mrakic-Sposta, Sara Moretti, Antonio Paoli
Central Nervous System Oxygen Toxicity (CNS-OT) is one of the most harmful effects of Enriched Air Nitrox (EAN) diving. Protective factors of the Ketogenic Diet (KD) are antioxidant activity, the prevention of mitochondrial damage and anti-inflammatory mechanisms. We aimed to investigate if a short-term KD may reduce oxidative stress and inflammation during an hyperoxic dive. Samples from six overweight divers (mean ± SD, age: 55.2 ± 4.96 years; BMI: 26.7 ± 0.86 kg/m2) were obtained a) before and after a dive breathing Enriched Air Nitrox and performing 20-minute mild underwater exercise, b) after a dive (same conditions) performed after 7 days of KD...
February 8, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29322234/-efficacy-of-a-ketogenic-diet-in-urological-cancers-patients-a-systematic-review
#7
P Maisch, J E Gschwend, M Retz
BACKGROUND: Beside the classical anticancer treatment tumor patients try to find proactive alternative therapies to fight their disease. Lifestyle changes such as introducing a ketogenic diet is one of the most popular among them. The German Association of Urological Oncology (AUO, Arbeitsgemeinschaft Urologische Onkologie) presents a systematic review investigating the evidence of ketogenic diet in cancer patients. MATERIALS AND METHODS: A systematic literature research was conducted in the databases Medline, Livivo, and the Cochrane Library...
March 2018: Der Urologe. Ausg. A
https://www.readbyqxmd.com/read/29199027/10-patients-10-years-long-term-follow-up-of-cardiovascular-risk-factors-in-glut1-deficiency-treated-with-ketogenic-diet-therapies-a-prospective-multicenter-case-series
#8
Nicole Heussinger, Adela Della Marina, Andreas Beyerlein, Baerbel Leiendecker, Sofia Hermann-Alves, Robert Dalla Pozza, Joerg Klepper
BACKGROUND AND AIMS: Glut1 Deficiency (Glut1D) is caused by impaired glucose transport into brain. The resulting epileptic encephalopathy and movement disorders can be treated effectively by high-fat carbohydrate-restricted ketogenic diet therapies (KDT) mimicking fasting and providing ketones as an alternative cerebral fuel. Recently 6-24 months follow-ups of epileptic patients reported elevated blood lipids and intima thickening of the carotid artery raising concerns about potential cardiovascular risks by KDT...
November 11, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/29108901/keto-adaptation-enhances-exercise-performance-and-body-composition-responses-to-training-in-endurance-athletes
#9
Fionn T McSwiney, Bruce Wardrop, Parker N Hyde, Richard A Lafountain, Jeff S Volek, Lorna Doyle
BACKGROUND: Low-carbohydrate diets have recently grown in popularity among endurance athletes, yet little is known about the long-term (>4 wk) performance implications of consuming a low-carbohydrate high fat ketogenic diet (LCKD) in well-trained athletes. METHODS: Twenty male endurance-trained athletes (age 33 ± 11y, body mass 80 ± 11kg; BMI 24.7 ± 3.1 kg/m2) who habitually consumed a carbohydrate-based diet, self-selected into a high-carbohydrate (HC) group (n = 11, %carbohydrate:protein:fat = 65:14:20), or a LCKD group (n = 9, 6:17:77)...
November 3, 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/29093663/selection-and-characterization-of-palmitic-acid-responsive-patients-with-an-oxphos-complex-i-defect
#10
Tom E J Theunissen, Mike Gerards, Debby M E I Hellebrekers, Florence H van Tienen, Rick Kamps, Suzanne C E H Sallevelt, Elvira N M M-D Hartog, Hans R Scholte, Robert M Verdijk, Kees Schoonderwoerd, Irenaeus F M de Coo, Radek Szklarczyk, Hubert J M Smeets
Mitochondrial disorders are genetically and clinically heterogeneous, mainly affecting high energy-demanding organs due to impaired oxidative phosphorylation (OXPHOS). Currently, effective treatments for OXPHOS defects, with complex I deficiency being the most prevalent, are not available. Yet, clinical practice has shown that some complex I deficient patients benefit from a high-fat or ketogenic diet, but it is unclear how these therapeutic diets influence mitochondrial function and more importantly, which complex I patients could benefit from such treatment...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/29078087/epilepsy-in-tuberous-sclerosis-patients-in-sweden-healthcare-utilization-treatment-morbidity-and-mortality-using-national-register-data
#11
Karl-Olof Welin, Peter Carlqvist, Anders Svensson, Rikard Althin, Erik Eklund, Olof Rask
PURPOSE: This study is designed to estimate the prevalence of epilepsy associated with TSC in Sweden and to describe treatment, morbidity, and mortality of TSC patients with epilepsy. METHODS: Register data for 2004-2014 was obtained from the National Board of Health and Welfare in Sweden. Patients with TSC were identified using ICD-10 codes. Epilepsy was identified using ICD-10 codes, interventions aimed to treat epilepsy, or prescriptions for antiepileptic drugs...
December 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/29046197/-prospective-study-of-ketogenic-diet-in-treatment-of-children-with-global-developmental-delay
#12
RANDOMIZED CONTROLLED TRIAL
Deng-Na Zhu, Ping Li, Jun Wang, Jun-Ying Yuan, Guang-Yu Zhang, Jiang-Fang Liang, Ming-Mei Wang, Yun-Xia Zhao, Shuang An, Na Ma, Dan-Dan Ma
OBJECTIVE: To study the effect of ketogenic diet (KD) on neurobehavioral development, emotional and social behaviors, and life ability in children with global developmental delay (GDD). METHODS: A prospective case-control study was performed for hospitalized children with GDD, who were randomly divided into KD treatment group (n=40) and conventional treatment group (n=37). The children in both groups were given comprehensive rehabilitation training, and those in the KD treatment group were given modified Atkins diet in addition to the comprehensive rehabilitation training...
October 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/29045796/the-modification-of-the-ketogenic-diet-mitigates-its-stunting-effects-in-rodents
#13
Arkadiusz Damian Liśkiewicz, Daniela Kasprowska-Liśkiewicz, Anna Sługocka, Marta Maria Nowacka-Chmielewska, Jan Wiaderkiewicz, Halina Jędrzejowska-Szypułka, Jarosław Jerzy Barski, Joanna Lewin-Kowalik
The high-fat and low-carbohydrate ketogenic diet (HFKD) is extensively studied within the fields of numerous diseases, including cancer and neurological disorders. Since most studies incorporate animal models, ensuring the quality of ketogenic rodent diets is important, both in the context of laboratory animal welfare as well as for the accuracy of the obtained results. In this study we implemented a modification to a commonly used ketogenic rodent chow by replacing non-resorbable cellulose with wheat bran...
February 2018: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/29018777/rationale-feasibility-and-acceptability-of-ketogenic-diet-for-cancer-treatment
#14
REVIEW
Hae-Yun Chung, Yoo Kyoung Park
Ketogenic diet has been used for more than 80 years as a successful dietary regimen for epilepsy. Recently, dietary modulation by carbohydrate depletion via ketogenic diet has been suggested as an important therapeutic strategy to selectively kill cancer cells and as adjuvant therapy for cancer treatment. However, some researchers insist ketogenic diet to be highly undesirable as ketogenic diet may trigger and/or exacerbate cachexia development and usually result in significant weight loss. This review revisits the meaning of physiological ketosis in the light of this evidence and considers possibility of the use of ketogenic diet for oncology patients...
September 2017: Journal of Cancer Prevention
https://www.readbyqxmd.com/read/28914762/the-1-week-and-8-month-effects-of-a-ketogenic-diet-or-ketone-salt-supplementation-on-multi-organ-markers-of-oxidative-stress-and-mitochondrial-function-in-rats
#15
Wesley C Kephart, Petey W Mumford, Xuansong Mao, Matthew A Romero, Hayden W Hyatt, Yufeng Zhang, Christopher B Mobley, John C Quindry, Kaelin C Young, Darren T Beck, Jeffrey S Martin, Danielle J McCullough, Dominic P D'Agostino, Ryan P Lowery, Jacob M Wilson, Andreas N Kavazis, Michael D Roberts
We determined the short- and long-term effects of a ketogenic diet (KD) or ketone salt (KS) supplementation on multi-organ oxidative stress and mitochondrial markers. For short-term feedings, 4 month-old male rats were provided isocaloric amounts of KD (n = 10), standard chow (SC) (n = 10) or SC + KS (~1.2 g/day, n = 10). For long-term feedings, 4 month-old male rats were provided KD (n = 8), SC (n = 7) or SC + KS (n = 7) for 8 months and rotarod tested every 2 months. Blood, brain (whole cortex), liver and gastrocnemius muscle were harvested from all rats for biochemical analyses...
September 15, 2017: Nutrients
https://www.readbyqxmd.com/read/28877458/ketogenic-diet-reduces-midlife-mortality-and-improves-memory-in-aging-mice
#16
John C Newman, Anthony J Covarrubias, Minghao Zhao, Xinxing Yu, Philipp Gut, Che-Ping Ng, Yu Huang, Saptarsi Haldar, Eric Verdin
Ketogenic diets recapitulate certain metabolic aspects of dietary restriction such as reliance on fatty acid metabolism and production of ketone bodies. We investigated whether an isoprotein ketogenic diet (KD) might, like dietary restriction, affect longevity and healthspan in C57BL/6 male mice. We find that Cyclic KD, KD alternated weekly with the Control diet to prevent obesity, reduces midlife mortality but does not affect maximum lifespan. A non-ketogenic high-fat diet (HF) fed similarly may have an intermediate effect on mortality...
September 5, 2017: Cell Metabolism
https://www.readbyqxmd.com/read/28875525/efficacy-of-ketogenic-diet-for-infantile-spasms-a-systematic-review
#17
REVIEW
G Prezioso, G Carlone, G Zaccara, A Verrotti
The aim of this systematic review was to collect and analyze all the RCTs and observational studies investigating the efficacy of ketogenic diet (KD) in infantile spasms (IS) patients after a 1- to 6-month follow-up period, in terms of decrease in seizure frequency of >50% or a seizure-free interval. Moreover, the potential effect of gender, IS etiology, age at onset of IS, and age at start of KD have been investigated. Finally, we evaluated the seizure-free rate at 12 and 24 months of follow-up. In June 2016, a computer search was performed on MedLine (PubMed), EMBASE, and the Cochrane Library...
January 2018: Acta Neurologica Scandinavica
https://www.readbyqxmd.com/read/28801086/slowly-progressive-leukodystrophy-in-an-adolescent-male-with-phosphoglycerate-kinase-deficiency
#18
Shimpei Baba, Ayumi Kobayashi, Haruna Yokoyama, Kengo Moriyama, Ayako Kashimada, Jun Oyama, Ayako Owada, Shoichi Oyama, Tomohiro Morio, Masatoshi Takagi
We report the case of an 18-year-old man with a phosphoglycerate kinase (PGK) deficiency who had slowly progressive leukodystrophy during adolescence. The patient had a history of severe neonatal jaundice, hemolytic crisis with rhabdomyolysis triggered by febrile viral infections, dysarthria, and intellectual disability during early childhood. Clumsiness in walking and writing became obvious at ∼10years of age. Evaluations performed by us on the 18-year-old patient confirmed the presence of pyramidal tract signs, increased muscle tone, and generalized dystonia...
February 2018: Brain & Development
https://www.readbyqxmd.com/read/28743048/the-ketogenic-diet-in-patients-with-myoclonic-status-in-non-progressive-encephalopathy
#19
Roberto Caraballo, Francesca Darra, Gabriela Reyes, Marisa Armeno, Araceli Cresta, Graciela Mestre, Bernardo Dalla Bernardina
Myoclonic status in non-progressive encephalopathy (MSNPE) is characterized by the recurrence of long-lasting atypical status epilepticus associated with attention impairment and continuous polymorphous jerks, mixed with other complex abnormal movements, in infants suffering from a non-progressive encephalopathy. The ketogenic diet (KD) has been used as an alternative to antiepileptic drugs (AEDs) for patients with refractory epileptic encephalopathies. PURPOSE: In this study we assess the efficacy and tolerability of the KD in patients with MSNPE...
October 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28706467/ketogenic-diet-benefits-body-composition-and-well-being-but-not-performance-in-a-pilot-case-study-of-new-zealand-endurance-athletes
#20
Caryn Zinn, Matthew Wood, Mikki Williden, Simon Chatterton, Ed Maunder
BACKGROUND: Low-carbohydrate, high-fat and ketogenic diets are increasingly adopted by athletes for body composition and sports performance enhancements. However, as yet, there is no consensus on their efficacy in improving performance. There is also no comprehensive literature on athletes' experiences while undertaking this diet. The purpose of this pilot work was two-fold: i. to examine the effects of a non-calorie controlled ketogenic diet on body composition and performance outcomes of endurance athletes, and ii...
2017: Journal of the International Society of Sports Nutrition
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