Résumé
Les hémorragies digestives de l’hypertension portale sont surtout liées aux ruptures de varices œsophagiennes. Leur pronostic reste sévère, lié à l’hémorragie index et à la récidive hémorragique précoce. Elles nécessitent une prise en charge en urgence dans une unité spécialisée. L’endoscopie initiale, une fois le malade réanimé, permet de diagnostiquer leur étiologie et le plus souvent d’effectuer un geste hémostatique. Leur traitement en urgence repose sur des médicaments vaso-actifs et/ou des techniques endoscopiques. Les traitements médicamenteux sont représentés par des médicaments diminuant le flux sanguin portal comme la vasopressine et la terlipressine ou le flux sanguin azygos comme la somatostatine et l’octréotide. Ils peuven être utilisés avant, pendant et après l’endoscopie et peuvent améliorer la prise en charge thérapeutique. En cas d’hémorragie active, la sclérose peut être préférée à la ligature car de réalisation plus facile. La ligature peut être envisagée d’emblée dans le cas inverse. C’est seulement en cas d’échec que les techniques de radiologie interventionnelle ou la chirurgie sont indiquées. Pour les varices gastriques, la sclérose à la colle biologique est actuellement recommandée. La prévention des infections bactériennes par une antibioprophylaxie doit être systématique.
Summary
Variceal haemorrhage is one of the most serious complication of portal hypertension and is associated with a high mortality rate related to index bleeding and early variceal rebleeding. After initial resuscitation in a unit dedicated to gastrointestinal bleeding, emergency endoscopy is conducted to determine the cause of bleeding and generally to perform sclerotherapy or band ligation. Vasoactive drugs which lower portal hypertension like vasopressin and terlipressin or azygos blood flow like somatosatin and octreotide can be used before, during and after endoscopy and may offer an improvement in treatment. Sclerotherapy is generally the treatment of choice in cases of active bleeding. Band ligation is preferred in other cases. When these treatments failed, transjugular intrahepatic portosystemic shunt or surgery are discussed For gastric varices, sclerotherapy with tissue adhesives is the treatment of choice. The prevention of bacterial infection by antibotics must be associated.
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Silvain, C. Comment traiter une hémorragie digestive active liée à des varices oesophagiennes et gastriques. Acta Endosc 30, 505–510 (2000). https://doi.org/10.1007/BF03026167
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DOI: https://doi.org/10.1007/BF03026167
Mots-clés
- hémorragie digestive
- hypertension portale
- ligature endoscopique
- octréotide
- sclérose endoscopique
- somatostatine
- terlipressine
- varices gastriques
- varices œsophagiennes