Tesis sobre el tema "Ulcère de jambe"
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Bouriat, Sylvie. "Carcinome épidermoï͏de sur ulcère de jambe : 12 observations en Guadeloupe". Bordeaux 2, 1997. http://www.theses.fr/1997BOR23005.
Texto completoCatella-Chatron, Judith. "Caractérisation fonctionnelle et mécanistiquedes ulcères de jambe des patients drépanocytaires". Electronic Thesis or Diss., Lyon 1, 2024. http://www.theses.fr/2024LYO10207.
Texto completoSickle cell disease is the first genetic disorder in France and worldwide (around one birth over 2,000 in USA). This hemoglobinopathy leads to the production of a mutated hemoglobin called hemoglobin S (HbS) which has the property to polymerize in deoxygenated condition, leading to red blood cell (RBC) sickling. Sickle cell anemia (SCA) patient RBCs are more fragile and less deformable than RBC from healthy individuals. Patients suffer from hemolytic anemia, repeated painful vaso-occlusive crisis and other acute and chronical complications including leg ulcers (LU). SCA is both a RBC disease and a vascular disease. Chronic hemolysis and inflammation, coagulation abnormalities and decrease nitric oxide bioavailability are the causes of significant vascular dysfunction. However, LU are an unpredictable debilitating complication of sickle cell anemia (SCA). We hypothesized that SCA patients with LU would be characterized by lower microvascular reactivity than patients without LU. The DrepanO2 study included 65 adults with SCA in steady-state condition. The aim was to investigate simultaneously the skin microcirculatory function (measuring transcutaneous oxygen pressure and heat, current and acetylcholine-related vasodilatation) and several blood biological parameters in SCA patients with and without LU. We also tested the effects of plasma from patients with and without LU on endothelial cells activation (HDMEC in 2D culture). Over the 65 patients included, LU has been diagnosed in 9 patients (LU+). All patients had disease-modifying treatment except one. We observed a reduction of the skin microcirculatory function in the 9 LU+ patients, with no change in plasma inflammation markers or endothelial cell activation. Among the 9 patients with active ulcers (LU+ group), 8 were subsequently followed over a period of 8 months, 6 of whom healed in approximately 4 months. Our results showed that skin microcirculatory function improved after healing. Our results therefore showed less pronounced functional impairment of cutaneous microcirculation after healing. Investigation of inflammation, coagulation, hemolysis, and blood rheology did not reveal any differences between patients with or without leg ulcers. Further studies are needed to better understand the underlying mechanisms of this complication
Faltot, Dominique. "Ulcères de jambe : sensibilisation aux allergènes de contact, étude prospective". Bordeaux 2, 1990. http://www.theses.fr/1990BOR23095.
Texto completoCony, Mariane. "Etude ouverte d'un pansement à base de collagène et de kératinocytes humains cultivés dans le traitement des ulcères de jambe". Bordeaux 2, 1989. http://www.theses.fr/1989BOR23049.
Texto completoDEVRED, THIERRY y PHILIPPE DELOBEAU. "Diagnostic etiologique et aspects medico-sociaux des ulceres de jambe : a propos de 200 observations". Lille 2, 1988. http://www.theses.fr/1988LIL2M285.
Texto completoDUBRUQUE, JEAN-PHILIPPE. "Essai d'evaluation de l'acupuncture sur la cicatrisation des ulceres de jambe d'origine veineuse". Amiens, 1988. http://www.theses.fr/1988AMIEM074.
Texto completoCastano, Joëlle. "Utilisation d'une héparine de bas poids moléculaire : la fraxiparine dans le traitement des ulcères de jambe par microangiopathie et des thrombophlébites veineuses superficielles". Bordeaux 2, 1989. http://www.theses.fr/1989BOR25314.
Texto completoDAVID, PROST VERONIQUE. "Anticoagulant circulant antiprothrombinase et atteinte dermatologique (ulceres de la jambe) : a propos de 7 observations". Reims, 1988. http://www.theses.fr/1988REIMM020.
Texto completoPoinard, Georges. "Traitement des ulceres variqueux par les pansements a l'insuline". Lyon 1, 1988. http://www.theses.fr/1988LYO1M195.
Texto completoACERBIS, DENIS. "Interet de la mesure transcutanee de l'oxygene dans le bilan des ulceres des membres inferieurs". Toulouse 3, 1989. http://www.theses.fr/1989TOU31054.
Texto completoLeclercq, Christine. "Role des facteurs keratinocytaires et de la colle biologique dans la cicatrisation des ulceres de jambe : a propos de 11 cas". Lille 2, 1992. http://www.theses.fr/1992LIL2M299.
Texto completoBIAUNIE, GENEVIEVE. "Interet du tripeptide ghl-cu dans la cicatrisation des plaies cutanees". Reims, 1990. http://www.theses.fr/1990REIMM111.
Texto completoMARLIER, RIO ISABELLE. "Pseudohippocratisme digital, ulcere chronique de jambe, calcinose vasculaire diffuse, et osteite fibreuse en rapport avec une hyperparathyroidie secondaire a l'insuffisance renale". Amiens, 1991. http://www.theses.fr/1991AMIEM122.
Texto completoViennet, Céline. "Études in vitro du phénotype de fibroblastes issus d'ulcères de jambe d'origine veineuse et de vergetures". Besançon, 2004. http://www.theses.fr/2004BESAA011.
Texto completoPasquale, Raquel Donatini De. "Atividades antiúlcera e antioxidante de Syzygium jambos (L.) Alston". Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/9/9138/tde-04112016-160627/.
Texto completoSyzygium jambos (L.) Alston is one of the species of Myrtaceae with medicinal properties. The dried 70% hydroethanolic extract of the leaves showed a doseresponse effect in ethanol/HCI-induced ulcers, significantly decreasing the total lesion area (81,64%) and relative lesion area (65,11 %) compared to control group. At this dose the extract was more effective than lansoprazol (30 mg/kg), used as reference drug. The same extract at 400 mg/kg was not effective on healing acetic acid-induced ulcers. Antioxidant activity of S. jambos extract and four fractions was measured using 1,1-diphenyl-2-picryl-hydrazyl radical scavenging ability. The EC50 value for the extract was 5,36 ± 0,06 µg/mL, while Trolox, antioxidant substance of reference, showed EC50 of 4,98 ± 0,04 µg/mL. The tested fractions (chloroform, ethyl acetate, ethanol and 50% ethanol) showed EC50 of 64,06 ± 0,68 µg/mL, 19,02 ± 0,22 µg/mL, 6,89 ± 0,12 µg/mL e 8,47 ± 0,05 µg/mL, respectively. Ursolic acid was identified in the chloroformic fraction of the extract. Subchronic toxicity studies were performed by oral administration of the leaf extract to rats, during 30 days, at three different doses (400, 1000 and 2500 mg/kg). The extract did not show any clinicai sign of toxicity. Macroscopic and microscopic analysis of the organs demonstrated no alterations for the three doses tested. There were no statistically differences between results of biochemical analysis of blood. These results show the potential of the extract in treatment of gastric ulcer, although more studies of mechanism of action and chronic toxicity are necessary.