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World Journal of Surgery

Published in:

01-07-2007

Reduced Neuronal Innervation in the Distal End of the Proximal Esophageal Atretic Segment in Cases of Esophageal Atresia with Distal Tracheoesophageal Fistula

Authors: Mehmet Boleken, Savas Demirbilek, Hale Kirimiloglu, Turan Kanmaz, Selcuk Yucesan, Osman Celbis, Ibrahim Uzun

Published in: World Journal of Surgery | Issue 7/2007

Abstract

Background

Esophageal dysmotility is a common occurence after surgical repair of proximal esophageal atresia (EA) and distal tracheoesophageal fistula (TEF). The etiology of this motility disorder, however, remains controversial. Esophageal dysmotility also is present in isolated TEF or EA before surgery, suggesting a congenital cause. However, there is no information available in the literature with regard to the intramural nervous system of the human esophagus in EA-TEF.

Patients and Methods

We examined the distal end of proximal esophageal atretic segment of neonates undergoing EA-TEF repair for intrinsic neuronal innervation. Using specific antibodies, we studied neuronal markers of specimens from nine cases of EA-TEF and 9 cases of normal esophagus by immunohistochemistry using neurofilament (NF), synaptophysin (SY), S100, and glial cell line-derived neurotrophic factor (GDNF).

Results

In the atretic segment, specimens staining with hematoxylin and eosin showed that there were marked hypoganglionosis and immature ganglion cells in the myenteric plexus. GDNF immunoreactivity in the atretic esophagus were markedly reduced in both the muscular layer and myenteric plexus. SY and NF-immunorective nerve fibers were distributed throughout the myenteric plexus of the normal esophagus, but the scarcity of these immunoreactive nerve fibers in the atretic esophagus was apparent. In contrast, the density of immunorective nerve fibers for S100 in the myenteric plexus and muscular layer was increased in the distal end of the atretic esophagus.

Conclusion

We concluded that the distribution of ganglion cells and some nerve fibers in the distal end of the atretic esophageal segment is deficient. Inadequate and abnormal neuronal innervation of the esophagus could be related to the esophageal dysmotility seen in EA. Because GDNF is a survival factor for central and peripheral neurons, defective expression of GDNF could have an important role in the defective and/or abnormal neuronal innervation of atretic esophageal segment.

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Title: Reduced Neuronal Innervation in the Distal End of the Proximal Esophageal Atretic Segment in Cases of Esophageal Atresia with Distal Tracheoesophageal Fistula
Authors: Mehmet Boleken
Savas Demirbilek
Hale Kirimiloglu
Turan Kanmaz
Selcuk Yucesan
Osman Celbis
Ibrahim Uzun
Publication date: 01-07-2007
Publisher: Springer-Verlag
Published in: World Journal of Surgery / Issue 7/2007
Print ISSN: 0364-2313
Electronic ISSN: 1432-2323
DOI: https://doi.org/10.1007/s00268-007-9070-y

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Reduced Neuronal Innervation in the Distal End of the Proximal Esophageal Atretic Segment in Cases of Esophageal Atresia with Distal Tracheoesophageal Fistula

Abstract

Background

Patients and Methods

Results

Conclusion

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Background

Patients and Methods

Results

Conclusion

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