Intestinal ultrasonography in infants with moderate or severe hypoxic-ischemic encephalopathy receiving hypothermia.
Pediatr Radiol
; 46(1): 87-95, 2016 Jan.
Article
em En
| MEDLINE
| ID: mdl-26362589
ABSTRACT
BACKGROUND:
Infants with hypoxic-ischemic encephalopathy (HIE) may develop multiorgan dysfunction, but assessment of intestinal involvement is imprecise and based on nonspecific clinical signs that may occur several days later. Ultrasound imaging has been described as a helpful tool in assessing intestinal involvement in many gastrointestinal disorders.OBJECTIVE:
Describe abdominal ultrasonography findings in infants receiving therapeutic hypothermia and investigate its association with the severity of the hypoxic-ischemic insult and death. MATERIALS ANDMETHODS:
Studies were performed within the first 36 h of life to assess intestinal appearance (normal bowel, bowel wall echogenicity and thickness, and sloughed mucosa), free fluid, peristalsis and intramural perfusion. These findings were compared between infants with moderate and severe encephalopathy. Ultrasound findings were also categorized in three major groups and compared with markers of severity of the hypoxic-ischemic insult and with mortality.RESULTS:
Nineteen infants with moderate and 9 with severe HIE at admission were studied (17.7 ± 9.5 h of life). Major ultrasonography findings were increased bowel wall echogenicity (78%), free fluid (75%), decreased or absent peristalsis (50%) and sloughing of the intestinal mucosa (21%). Abnormal intestinal findings such as increased bowel wall echogenicity in all quadrants and presence of sloughed mucosa were associated with more severe hypoxic-ischemic insult. All 12 patients with normal bowel appearance or increased bowel wall echogenicity restricted to only one quadrant survived, whereas 7/15 (47%) patients with increased bowel wall echogenicity in all four quadrants died during hospitalization. The presence of sloughed mucosa was associated with increased mortality (P < 0.001).CONCLUSION:
In infants receiving therapeutic hypothermia, a high prevalence of intestinal involvement was noted by using ultrasonographic assessment. An association between intestinal findings and severity of hypoxic-ischemic insult was observed. The presence of sloughed mucosa is a potential ultrasonographic sign of severity.Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Ultrassonografia
/
Hipóxia-Isquemia Encefálica
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Hipertermia Induzida
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Enteropatias
Tipo de estudo:
Diagnostic_studies
/
Etiology_studies
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Observational_studies
/
Risk_factors_studies
Limite:
Female
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Humans
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Male
/
Newborn
Idioma:
En
Revista:
Pediatr Radiol
Ano de publicação:
2016
Tipo de documento:
Article
País de afiliação:
Canadá
País de publicação:
ALEMANHA
/
ALEMANIA
/
DE
/
DEUSTCHLAND
/
GERMANY