Introduction: Defective closure of the neural tube affects different systems and generates sequelae, such as neurogenic bladder (NB). Myelomeningocele (MMC) represents the most frequent and most severe cause of NB in children. Damage of the renal parenchyma in children with NB acquired in postnatal stages is preventable given adequate evaluation, follow-up and proactive management. The aim of this document is to update issues on medical management of neurogenic bladder in children. Materials and Methods: Five Pediatric Urologists joined a group of experts and reviewed all important issues on "Spina Bifi da, Neurogenic Bladder in Children" and elaborated a draft of the document. All the members of the group focused on the same system of classifi cation of the levels of evidence (GRADE system) in order to assess the literature and the recommendations. During the year 2020 the panel of experts has met virtually to review, discuss and write a consensus document. Results and Discussion: The panel addressed recommendations on up to date choice of diagnosis evaluation and therapies. Clean intermittent catheterization (CIC) should be implemented during the fi rst days of life, and antimuscarinic drugs should be indicated upon results of urodynamic studies. When the patient becomes refractory to fi rst-line therapy, receptor-selective pharmacotherapy is available nowadays, which leads to a reduction in reconstructive procedures, such as augmentation cystoplasty.

TGF-beta1 is a cytokine leading to renal fibrosis. The measurement of urinary TGF-beta1 could become a useful tool for the diagnosis of obstructive hydronephrosis and the evaluation of the parenchyma function status, pre and postoperatively.

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Absence of long-term damaging effects of arterial HFP on erectile tissue combined with the possibility of spontaneous resolution associated with blunt perineal trauma are suggestive signs for the introduction of an observation period in the management algorithm of HFP. Such a period may help to avoid unnecessary surgical intervention. Thus, these cases reinforce the decision to manage these patients conservatively and avoid angiographic embolization as a first therapeutic choice.

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After treatment with onabotulinumtoxinA, urinary continence achieved was 50-77 %. There were favorable changes in urodynamic variables, but they were insufficient. Detrusor overactivity was attenuated, but did not disappear completely.