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Pediatric Surgery International

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01-03-2022 | Hypospadia | Review Article

A meta-analysis comparing dorsal plication and ventral lengthening for chordee correction during primary proximal hypospadias repair

Authors: Ramesh Babu, V. V. S. Chandrasekharam

Published in: Pediatric Surgery International | Issue 3/2022

Abstract

Purpose

Recurrent chordee (RC) is an important complication of proximal hypospadias repair. In this meta-analysis we compared RC incidence following dorsal plication (DP) versus ventral lengthening (VL).

Methods

We searched the databases to identify all papers between 2001 and 2021 pertaining to proximal hypospadias and recurrent chordee. Duplicate publications, review articles and incomplete articles were excluded. Meta-analysis of heterogeneity was reported with I² statistics. The pooled outcomes were compared to Chi square/Fishers exact test.

Results

A total of 17 articles were included covering 582 patients. The I² statistics for prevalence of RC among different publications showed no heterogeneity for DP (I² = 0%) and low heterogeneity for VL (I² = 26%). RC was noticed in 31/122 (25.4%; 95% CI 18%–33%) among patients who had DP alone while it was significantly lower, 24/460 (5.3%; 95% CI 4%–8%) when VL was used (p = 0.0001). When compared to DP, all VL techniques had significantly lower incidence of RC. Among the VL techniques lowest incidence of RC was found for ventral corporotomies (4%) followed by small-intestinal- submucosa (SIS 4.2%) and tunica vaginalis flap (TVF)/free graft-TVFG (5%). Among the VL subtypes: the proportion of RC with use of TVF (4/70, 5.7%) and TVFG (3/69, 4.3%) for corporoplasty was comparable (p = 1); single-layer SIS was associated with significantly less RC (1/90, 1.1%) than 4-layer SIS (5/51, 9.8%; p = 0.02).

Conclusion

For correction of severe ventral chordee during primary proximal hypospadias repair, dorsal plication carries a higher risk of recurrence compared to ventral lengthening procedures.

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Title: A meta-analysis comparing dorsal plication and ventral lengthening for chordee correction during primary proximal hypospadias repair
Authors: Ramesh Babu
V. V. S. Chandrasekharam
Publication date: 01-03-2022
Publisher: Springer Berlin Heidelberg
Keyword: Hypospadia
Published in: Pediatric Surgery International / Issue 3/2022
Print ISSN: 0179-0358
Electronic ISSN: 1437-9813
DOI: https://doi.org/10.1007/s00383-022-05065-7

At a glance: The STEP trials

Springer Medicine

A meta-analysis comparing dorsal plication and ventral lengthening for chordee correction during primary proximal hypospadias repair

Abstract

Purpose

Methods

Results

Conclusion

At a glance: The STEP trials

Springer Medicine

Abstract

Purpose

Methods

Results

Conclusion

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