Related Experiment Video
Updated: Feb 7, 2026

Diagnosis of Hirschsprung's Disease by Immunostaining Rectal Suction Biopsies for Calretinin, S100 Protein and Protein Gene Product 9.5
Published on: April 26, 2019
Why Do the Patients with Hirschsprung Disease Get Redo Pull-Through Operation?
Ji-Won Han1, Joong Kee Youn2, Chaeyoun Oh3
1Department of Surgery, Seoul National University Bundang Hospital, Seongnam, Republic of Korea.
Redo pull-through (PT) surgery is needed in 7.5% of Hirschsprung disease patients due to pathologic or anatomic issues. Longer operations, complications, and the transanal endorectal PT approach are linked to redo PT needs.
Area of Science:
- Pediatric Surgery
- Gastroenterology
- Medical Genetics
Background:
- Hirschsprung disease (HD) management primarily involves pull-through (PT) surgery.
- Redo PT is required in 1-10% of cases following initial surgery.
- Understanding redo PT causes and factors is crucial for improving patient outcomes.
Purpose of the Study:
- To investigate the causes and associated factors of redo pull-through (PT) surgery in Hirschsprung disease (HD) patients.
- To analyze the relationship between initial PT approach and the need for subsequent redo PT.
- To identify risk factors contributing to redo PT in HD.
Main Methods:
- Retrospective review of medical charts for 657 HD patients who underwent surgery from 1979 to 2016.
- Analysis of indications for redo PT, including persistent obstructive symptoms, transition zone visualization, and anatomical issues.
- Comparison of factors between patients requiring redo PT and those who did not.
Main Results:
- Redo PT was performed in 7.5% (49/657) of patients.
- Primary causes for redo PT were pathologic problems (28 cases) and anatomic problems (21 cases).
- Factors associated with redo PT included longer initial PT operation time, increased postoperative complications, and the transanal endorectal PT (TERPT) approach.
Conclusions:
- Approximately 7.5% of HD patients require redo PT surgery.
- Pathologic and anatomic issues are the main drivers for redo PT.
- Longer operative times, complications, and the TERPT approach are significant factors associated with redo PT.
Related Concept Videos
Operational Amplifiers
Real Number Operations
Incentive Theory: Pull Theory of Motivation
The theory differentiates between...
Vector Operations
A vector multiplied by a scalar value is called scalar multiplication. The result obtained is a new vector with a different magnitude. If the scalar is positive, the direction of the vector remains the same, but if it is negative, the direction of the vector is reversed. For example, the product of the mass and velocity yields the momentum.
Operant Conditioning
Reinforcement in operant conditioning can be positive or negative, both of which serve to increase the likelihood of a behavior. Positive...
Second Derivatives and Laplace Operator
Consider a scalar function. The curl of its...

