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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 663 (1992), S. 0 
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Acta diabetologica 4 (1967), S. 572-590 
    ISSN: 1432-5233
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Resume On observe 6 cas de malades avec hyperlipémie due aux carbohydrates, diabète non cétogénique et obésité de degré moyen. Le traitement avec une alimentation hypocalorique pauvre en carbohydrates a porté à une diminution pondérale et à une normalisation ou à une forte réduction de la glycémie à jeun et de la triglycéridémie. On discute l'étroit rapport entre utilisation des carbohydrates et les anomalies métaboliques observées.
    Abstract: Resumen Se describen 6 pacientes con hiperlipemia por carbohidratos, diabetes no quetonúrica y obesidad de mediana gravedad. El tratamiento con una dieta hipocalórica de bajo contenido en carbohidratos produjo una disminución del peso corporal y la normalización o notable reducción de la glicemia en ayunas y de la trigliceridemia. Se discute la íntima relación que existe entre la utilización de los carbohidratos y las anomalías metabólicas observadas.
    Notes: Riassunto Vengono descritti 6 pazienti con iperlipemia da carboidrati, diabete non chetonurico e obesità di medio grado. Il trattamento con una dieta ipocalorica a basso contenuto in carboidrati ha comportato diminuzione del peso corporeo e normalizzazione o spiccata riduzione della glicemia a digiuno e della trigliceridemia. Viene discussa la stretta relazione tra utilizzazione dei carboidrati e le anomalie metaboliche osservate.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-5233
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-5233
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Resume Les AA. ont etudié le comportement de la glycémie, de l'insulinémie sérique et des NEFA plasmatiques en 11 sujets atteints de hyperlipémie «de lipides» et «de carbohydrates». On a observé que, tandis que dans l'hyperlipémie «de lipides» il n'y a aucune altération du métabolisme glucidique, dans le type «de carbohydrate» il y a une moindre tolérabilité au glucose avec des niveaux élevés de insulinémie circulante. L'hyperinsulinisme, présent dans les sujets hyperlipémiques avec une tolérabilité au charge du glucoseper os normale ou subnormale, fait naitre l'hypothèse d'une condition de résistence à l'insuline.
    Abstract: Resumen Los AA. estudiaron el comportamiento de la glicemia, de la insulinemia sérica y de los NEFA plasmáticos en 11 pacientes afectos de hiperlipemia «por grasas» y «por carbohidratos». Se observó que, mientras en la hiperlipemia «por grasas» no están presentes alteraciones del metabolismo glucídico, en la variedad «por carbohidratos» existe una menor tolerancia a los azúcares con elevados niveles de insulinemia circulante. El hiperinsulinismo, presente en los enfermos hiperlipémicos con una normal o subnormal tolerancia a la carga oral de glucosa, sugiere la existencia de un estado de resistencia a la insulina.
    Notes: Riassunto Gli AA. hanno studiato il comportamento della glicemia, dell'insulinemia sierica e dei NEFA plasmatici in 11 pazienti affetti da iperlipemia «da grassi» e «da carboidrati». E' stato osservato che, mentre nell'iperlipemia «da grassi» non sono presenti alterazioni del metabolismo glucidico, nella varietà «da carboidrati» esiste una diminuita tolleranza agli zuccheri con elevati livelli di insulinemia circolante. L'iperinsulinismo, presente nei pazienti iperlipemici con normale o subnormale tolleranza al carico orale di glucosio, suggerisce l'esistenza di una condizione di resistenza all'insulina.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1432-5233
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Resume Dans 30 sujets athérosclérotiques, dans 40 sujets normaux et dans 18 diabétiques on a étudié le métabolisme des hydrates de carbone et le comportement des NEFA plasmatiques par destests de tolérance à une charge orale de glucose, de stimulation avec glucagone, de sensibilité à l'insuline, de sensibilité à la tolbutamide, de stimolation avec noradrénaline. Les plus importantes données qui ressortent de cette expérience sont caracterisées par une forte hypoglycémie et par une persistente diminution des NEFA plasmatiques après une charge orale de glucose, par une chûte plus prolongée de NEFA après glucagone et insuline, par une réponse de type «prédiabétique» aprés tolbutamide et enfin par une plus élevée libération de NEFA après stimulation avec noradrénaline. Ces résultats portent à considérer l'existence d'une modeste altération du métabolisme des glucides dans l'athérosclérose.
    Abstract: Resumen En 30 sujetos ateroescleróticos, en 40 normales y en 18 diabéticos ha sido estudiado el metabolismo de los hidratos de carbono y el comportamiento de los NEFA plasmáticos mediante las pruebas de tolerancia a la carga oral de glucosa, de estimulación con glucagón, de sensibilidad a la insulina, de sensibilidad a la tolbutamida y de estimulación con norradrenalina. Los datos principales obtenidos están representados por una marcada fase hipoglicémica y por una persistente disminución de los NEFA plasmáticos después de carga oral de glucosa, por una disminución más prolongada de los NEFA después de glucagón e insulina, por una respuesta de tipo «prediabético» después de tolbutamida y por último por una liberación más elevada de los NEFA después de estimulación con norradrenalina. Dichos datos suponen la existencia de una moderada alteración del recambio glucídico durante la ateroesclerosis.
    Notes: Riassunto In 30 soggetti aterosclerotici, in 40 normali e in 18 diabetici è stato studiato il metabolismo degli idrati di carbonio ed il comportamento dei NEFA plasmatici mediante le prove di tolleranza al carico orale di glucosio, di stimolazione con glucagone, di sensibilità all'insulina, di sensibilità alla tolbutamide, di stimolazione con noradrenalina. I dati salienti emersi sono rappresentati da una marcata fase ipoglicemica e da una persistente diminuzione dei NEFA plasmatici dopo carico orale di glucosio, da una caduta più prolungata dei NEFA dopo glucagone ed insulina, da una risposta di tipo «prediabetico» dopo tolbutamide ed infine da una più elevata liberazione dei NEFA dopo stimolazione con noradrenalina. Tali dati depongono per l'esistenza di una modesta alterazione del ricambio glucidico in corso di aterosclerosi.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1432-5233
    Keywords: Cholesterol ; Hypertension ; Microalbuminuria ; Nephropathy ; Sodium ; lithium countertransport ; Triglycerides-Type 2 (non-insulin-dependent) diabetes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Sodium-lithium countertransport (Na+/ Li+ CT) activity in erythrocytes has been shown to be high in a subset of patients with essential but not secondary hypertension and in type 1 (insulin-dependent) diabetic patients with nephropathy. More recently it has been shown that the presence of a major gene for Na+/Li+ CT, or another closely linked gene, rather than the actual level of Na+/Li+ CT, increases the risk of hypertension onset. The aim of the present study was to investigate whether Na+/Li+ CT activity is associated with hypertension and nephropathy in type 2 (non-insulin-dependent) diabetes. We studied 18 type 2 diabetic patients with normal blood pressure levels (systolic ≤140 and diastolic ≤85 mmHg) and albumin excretion rate (≤15 μg/min), 19 type 2 diabetic patients with hypertension (systolic ≥145 and diastolic ≥90 mmHg) and a normal albumin excretion rate (≤15 μg/min) and 19 type 2 diabetic patients with an increased albumin excretion rate (≤20 μg/min), irrespective of blood pressure levels. Eighteen normal subjects, matched for sex and age, served as controls. Na+/Li+ CT activity in erythrocytes was higher in type 2 diabetics with a high albumin excretion rate (486±148 μmol/l erythrocytes per hour,P〈0.01) and in hypertensive diabetics (410±129,P〈0.05), but not in normotensive diabetics (340±141), than in controls (282±96) (mean±SD). Body mass index was higher in diabetics with hypertension and in those with an abnormal albumin excretion rate than in normotensive diabetics and controls. Blood pressure levels were higher in diabetic patients with an increased albumin excretion rate than in normotensive diabetics and controls. Of diabetic patients with a high albumin excretion rate 26% had normal diastolic blood pressure levels. Diabetics with a high albumin excretion rate had higher glycated haemoglobin, cholesterol and triglyceride levels and a longer duration of diabetes than hypertensive diabetics with a normal albumin excretion rate. The association of these clinical features in type 2 diabetes closely resembles that previously reported in type 1 diabetes. A novel finding of the present study is that predisposition to hypertension, as indicated by high Na+/Li+ CT, seems to confer a susceptibility to the development of renal damage in type 2 diabetes, partially independent of blood pressure levels per se, and that diabetic patients with high Na+/Li+ CT and hypertension are, to some extent, protected against the development of nephropathy when the metabolic control is tighter and the duration of the disease shorter.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1432-5233
    Keywords: Diabetes in gastrectomized patients ; Hyperinsulinism ; Hypoglycemia ; Insulinogenic indices ; I.v. glucose tolerance test (IVGTT) ; Oral glucose tolerance test (OGTT) ; Plasma glucose ; Plasma insulin ; Postgastrectomy hypoglycemic syndrome
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Sept patients, après gastrectomie, souffrant d'un syndrome hypoglycémique retardé ont été soumis à une charge de glucose p.o. (100 g) et i.v. (20 g). Afin de procéder à un contrôle, on a examiné également 9 patients, après gastrectomie, sans des symptômes ainsi que 10 sujets normaux. La charge orale de glucose a provoqué dans les patients qui avaient été soumis à gastrectomie et manifestant un syndrome hypoglycémique, une réponse d'insuline plus importante par rapport aux patients qui avaient subi la gastrectomie sans accuser des symptômes et aux sujets normaux. Cette quantité excessive d'inuline précède la phase de hypoglycémie, la courbe glycémique présente une augmentation précoce et plus accentuée par rapport aux patients ayant subi la gastrectomie sans accuser des symptômes particuliers et par rapport aux sujets normaux (lag storage effect). La quantité excessive d'insuline ne peut cependant se rapporter à cette hyperglycémie initiale seulement, parce aucune relation entre les niveaux de glycémie et d'insuline n'est évidente. Et encore, l'hyperglycémie du à la charge i.v. de glucose, tout en étant de la même quantité que celle de la charge orale, détermine une réponse en insuline inférieure qui ne diffère pas de celle obtenue dans les sujets ayant subi la gastrectomie sans accuser des symptômes. D'autres facteurs stimulants d'insuline tels que entéroglucagone, et d'autres entéro-hormones produits par l'intestin dans une mesure anormale, sont, avec l'hyperglycémie, la cause la plus probable du syndrome hypoglycémique retardée du patient ayant été soumis à gastrectomie.
    Abstract: Resumen Siete pacientes con gastrorresección afectos de síndrome hipoglicémico tardío, han sido sometidos a carga de glucosa p.o. (100 gr.) e i.v. (20 gr.). Como control se han examinado también nueve pacientes con gastrorresección asintomáticos y diez individuos normales. La carga oral de glucosa, en los pacientes con gastrorresección y síndrome hipoglicémico, ha provocado una reacción insulinémica mayor que en los pacientes con gastrorresección asíntomaticos y en los normales. Ese hiperinsulinismo precede la fase hipoglicémica que se manifiesta a las 3, o 4 horas de la carga. En los pacientes con gastrorresección e hipoglicemia, la curva glicémica presenta una elevación más precoz y acentuada que en los pacientes con gastrorresección asintomáticos y en los normales (lag storage effect). El hiperinsulinismo no parece que se pueda correlacionar sólo con esa hiperglicemia inicial, puesto que no se evidencia relación alguna entre los niveles glucémicos e insulinémicos. Además, la hiperglicemia por carga de glucosa i.v., aunque de entidad semejante a la de carga oral, provoca una reacción insulinémica menor, que no difiere de la que se obtiene tratando pacientes con gastrorresección asíntomaticos. Otros factores insulinostimulantes, tales come el enteroglucagon y otros entero-hormones, producidos por el intestino en medida anormal, junto con la hiperglicemia constituyen la causa más probable de síndrome hipoglicémico tardío en los pacientes con gastrorresección.
    Notes: Riassunto Sette pazienti gastroresecati affetti da sindrome ipoglicemica tardiva sono stati sottoposti a carico di glucosio p.o. (100 g) e i.v. (20 g). Per controllo, sono stati esaminati anche 9 pazienti gastroresecati asintomatici e 10 soggetti normali. Il carico orale di glucosio ha provocato, nei gastroresecati con sindrome ipoglicemica, una risposta insulinemica maggiore rispetto ai gastroresecati asintomatici e ai normali. Questo iperinsulinismo precede la fase ipoglicemica che si manifesta 3–4 h dopo il carico. Nei gastroresecati con ipoglicemia, la curva glicemica presenta una elevazione più precoce e marcata rispetto ai gastroresecati asintomatici e rispetto ai normali (lag storage effect). L'iperinsulinismo non sembra essere però correlabile solo con questa iperglicemia iniziale, in quanto non è evidente alcuna relazione tra livelli glicemici e insulinemici. Inoltre, l'iperglicemia da carico i.v. di glucosio, pur di entità simile a quella da carico orale, provoca una risposta insulinemica minore, che non differisce da quella ottenuta nei gastroresecati asintomatici. Altri fattori insulino-stimolanti, quali l'enteroglucagone ed altri entero-ormoni, prodotti dall'intestino in misura abnorme, sono, insieme all'iperglicemia, la più probabile causa della sindrome ipoglicemica tardiva del gastroresecato.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1573-7241
    Keywords: ACE inhibitors ; exercise tolerance ; ejection fraction ; therapy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The present study was performed in order to compare the efficacy, safety, and tolerability of lisinopril, a long-acting angiotensin-converting enzyme (ACE) inhibitor, with captopril, the shorter acting ACE inhibitor available, in the treatment of elderly patients (mean age 70 ± 0.5 years) with congestive heart failure (mean left ventricular ejection fraction 33.5 ± 1%). The study was organized according to a double-blind, parallel-group, randomized multicenter protocol. After a 14-day placebo run-in period, patients were randomized to receive either lisinopril 5 mg orally once per day or captopril 12.5 mg orally once per day. The dose of the study drug could be doubled at 2-week intervals for 6 weeks. The maximal dose was lisinopril 20 mg once per day or captopril 25 mg twice per day. The addition of either captopril or lisinopril to a regimen of diuretics caused a significant increase in exercise tolerance assessed by bicycle ergometry after 12 weeks of treatment (530 ± 21 seconds vs. 431 ± 13 seconds, p 〈 0.01; 555 ± 19 seconds vs. 463 ± 12 seconds, p 〈 0.01, respectively). Both drugs significantly increased left ventricular ejection fraction and stroke volume, were equally effective in improving NYHA class, and were well tolerated, with no differences detectable between treatments. The results of this study indicate that lisinopril 5–20 mg once daily is at least as effective and well tolerated as captopril 12.5–50 mg daily in the treatment of elderly patients with congestive heart failure.
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 0887-6134
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The direct determination of 2-(2-furoyl)-4(5)-(2-furanyl)-1H-imidazole (FFI), present in the acid hydrolysis products of B-poly(L-lysine) and B-albumin and which appears to be a key intermediate in the physicochemical changes occurring during the incubation of protein with glucose, has been carried out by collisional spectroscopy, using a commercial double-focusing, reverse-geometry mass spectrometer and without any sample derivatization and chromatographic separation procedures.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
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