2001
DOI: 10.2223/jped.239
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The role of nitric oxide synthase in infantile hypertrophic pyloric stenosis

Abstract: ResumoObjetivos: reproduzir, experimentalmente, em ratos, por meio do inibidor da enzima óxido nítrico sintase (ONS -L-NAME), os achados histopatológicos correspondentes a estenose hipertrófica do piloro da infância (EHPI).Métodos: para reproduzir o modelo de inibição de ONS na produção de EHPI, administrou-se L-NAME em ratas grávidas, a partir do 14º dia gestacional (grupo L-NAME), comparando-se com uma gestação de controle. Após o nascimento, todos os ratos do grupo L-NAME foram mantidos sob inibição da ONS … Show more

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Cited by 3 publications
(2 citation statements)
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“…One hypothesis linking the two conditions is nitric oxide synthetase (NOS) deficiency. 12 NOS deficiency leads to lack of locally available nitric oxide which may cause pyloric stenosis as a result of failure of smooth muscle relaxation. Downregulation of nitric oxide production may also be involved in the pathogenesis of pyloric stenosis.…”
Section: Discussionmentioning
confidence: 99%
“…One hypothesis linking the two conditions is nitric oxide synthetase (NOS) deficiency. 12 NOS deficiency leads to lack of locally available nitric oxide which may cause pyloric stenosis as a result of failure of smooth muscle relaxation. Downregulation of nitric oxide production may also be involved in the pathogenesis of pyloric stenosis.…”
Section: Discussionmentioning
confidence: 99%
“…Barbosa et al administered L-NAME to pregnant rats and their newborns, demonstrating that newborns exhibited IHPS (55). As for humans, Abel reported reduced nNOS expression in the pyloric muscle layers and myenteric plexus obtained from the patients with IHPS using immunohistochemical staining.…”
Section: Effects Of Nitrite In Breast Milk On the Gastrointestinal Tract Infantile Hypertrophic Pyloric Stenosismentioning
confidence: 99%