surgical procedures and management

Apr 15th, 2015
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INTESTINAL OBSTRUCTION INPAEDIATRICS3/13/20161DR.MUNIALOdefinition3/13/2016Failure, reversal or impairment of the normal transit ofintestinal contents.Classification & Etiology;A dynamic obstructionDue to failure of peristalsis. May be caused by:Neuronal defect e.g. spinal injuriesElectrolyte imbalances especially hypokalemia, acid and baseimbalances, UraemiaIschaemic causes- venous or arterial defectsInfections-peritonitisRetroperitoneal haematomas2Mechanical intestinal obstructionA. Intramural lesions;Intestinal atresia/stenosisCongenital hypertrophic pulmonary stenosisMeconium ileusMeconium plug syndromeFeacal impactionIntussusceptionAnorectal malformations, also involve the wall defectsB. Mural/within the wall lesions3/13/2016Hirchsprungs diseaseNeonatal small left colon syndromeParalytic ileus; infections, electrolyte imbalances33/13/2016C. Extramural causes;Congenital herniaMalrotationsPeritoneal bands or volvulusAnnular pancreas4Pathophysiology3/13/2016Early in the course of an obstruction, intestinal motility and contractile activity increasein an effort to propel luminal contents past the obstructing point. The increase inperistalsis that occurs early in the course of bowel obstruction is present both above andbelow the point of obstruction, thus accounting for the f

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