نتایج جستجو برای: pyloric atresia
تعداد نتایج: 13584 فیلتر نتایج به سال:
OBJECTIVE The aim of this prospective study was to evaluate the prevalence and pattern of congenital malformations of the gastrointestinal tract among the Saudi newborn population in Aseer region, Kingdom of Saudi Arabia. METHODS Every consecutive newborn admitted to the neonatal intensive care unit of Aseer Central Hospital, Kingdom of Saudi Arabia with features of gastrointestinal tract ano...
BACKGROUND Infantile hypertrophic pyloric stenosis (IHPS) is a common cause of gastric outlet obstruction in infants. This study was conducted to identify the accuracy of ultrasonography in the diagnosis of infantile Hypertrophic pyloric Stenosis. METHODS This cross-sectional descriptive study was conducted in Department of Paediatric Surgery, Children Hospital Complex & the Institute of Chil...
The susceptibility of healed, experimental gastric ulcers to chemical carcinogenesis was investigated. Slowly healing gastric ulcers were induced by the acetic acid method in the fundic and pyloric gastric mucosae of inbred male Wistar rats. N-Methyl-N'-nitro-N-nitrosoguanidine (MNNG) was administered in drinking water at a concentration of 50 mg/liter for 360 days after ulcer induction. Twenty...
Synaptic feedback from rhythmically active neuronal circuits commonly causes their descending inputs to exhibit the rhythmic activity pattern generated by that circuit. In most cases, however, the function of this rhythmic feedback is unknown. In fact, generally these inputs can still activate the target circuit when driven in a tonic activity pattern. We are using the crab stomatogastric nervo...
AIMS We aimed to obtain pyloric measurements of our patients with infantile hypertrophic pyloric stenosis (IHPS) using ultrasonography (US) and to evaluate the correlations between age, weight and pyloric size, pyloric ratio (PR). MATERIAL AND METHODS We designed a retrospective study including 20 term infants with surgically proven IHPS and studied the ultrasonographically obtained pyloric m...
Neuromodulation is well known to provide plasticity in pattern generating circuits, but few details are available concerning modulation of motor pattern coordination. We are using the crustacean stomatogastric nervous system to examine how co-expressed rhythms are modulated to regulate frequency and maintain coordination. The system produces two related motor patterns, the gastric mill rhythm t...
Infantile hypertrophic pyloric stenosis (IHPS) is a common disease of unknown etiology. The tetrahydrobiopterin (BH4)-deficient hyperphenylalaninemia-1 (hph-1) newborn mouse has a similar phenotype to the human condition. For hph-1 and wild-type control animals, pyloric tissue agonist-induced contractile properties, reactive oxygen species (ROS) generation, cGMP, neuronal nitric oxide synthase ...
Rhythm generation by the pyloric motor network in the stomatogastric ganglion (STG) of the spiny lobster requires permissive neuromodulatory inputs from other central ganglia. When these inputs to the STG are suppressed by cutting the single, mainly afferent stomatogastric nerve (stn), pyloric neurons cease to burst and the network falls silent. However, as shown previously, if such a decentral...
Background: The plain abdominal x-ray is one of the commonly requested investigations in children emergency room, paediatric surgical ward and neonatal wards. short interval required to carry out this investigative procedure obtain results makes it first imaging modality used unravel different causes acute conditions children. safety attractive for use practice as part routine work-up undiffere...
Stimulation of localised pyloric contractions may be an important mechanism in the slowing of gastric emptying by cholecystokinin infusion. The effect of cholecystokinin octapeptide on fasting pyloric motility was investigated in 14 healthy volunteers. Antral, pyloric, and duodenal pressure responses to normal saline and graded injections of cholecystokinin octapeptide (5, 10, and 20 ng/kg) wer...
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