JOURNAL ARTICLE
SYSTEMATIC REVIEW
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Delaying Urgent Exploration in Neonatal Testicular Torsion May Have Significant Consequences for the Contralateral Testis: A Critical Literature Review.

Urology 2021 July
OBJECTIVE: To assess the optimal management strategy for boys with neonatal testicular torsion (NTT) in the first 30 days of life, and to stratify outcomes for prenatal, postnatal, unilateral, synchronous, and asynchronous events METHODS: All articles including case reports published between 1946 and 2020 in Embase/Scopus/Medline/Pubmed and Web of Science that had a defined diagnosis of NTT within the first 30 days of life were reviewed. Data and outcomes were analyzed individually, and together as pooled data, using a random effect model.

RESULTS: There was a total of 152 studies representing 1336 patients. Outcome data was available on 974 patients (1121 testes). NTT was unilateral in 829 cases, synchronous bilateral in 80 cases, and asynchronous in 66 cases. There were a total of 1107 orchiectomies, and 229 salvage orchiopexies. A total of 2.5% synchronous NTT underwent successful salvage. A total of 95.7% of prenatal unilateral torsions underwent orchiectomy, compared with 92% postnatal torsions. 11.8% of all NTT events were asynchronous with a median time to second torsion of 1 day (Range 1-8). The contralateral orchiectomy rate in this group was 31.8%, with a 40% atrophy rate following orchiopexy. The number needed to treat to avoid bilateral orchiectomy was 1.6, and the number needed to treat to avoid solitary atrophy was 2.6.

CONCLUSION: NTT is an important condition carrying a significant risk for testicular loss and endocrine insufficiency. Given the potential catastrophic risk of asynchronous extravaginal torsion, we recommend urgent, safe, surgical intervention with both unilateral and bilateral NTT.

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