Validation and confirmation of the brazilian version of the PinQ questionnaire in children with lower urinary tract...

The objective of this study was to validate the Continence Specific Pediatric Quality Of Life Measurement Tool (PinQ) questionnaire into Portuguese and compare its effectiveness with the Dysfunctional Voiding Symptom Score (DVSS) questionnaire in assessing the quality of life in children with lower urinary tract dysfunction (LUTD).

The PinQ questionnaire was translated into Portuguese using Beaton's methodology, which consists of six phases: (1) Initial Translation; (2) Synthesis; (3) Back Translation; (4) Final Version; (5) Prefinal Version Testing; and (6) Presentation. Each patient received 15 sessions, consisting of one evaluation and application of questionnaires and 14 treatment sessions (sacral neurostimulation + behavioral therapy + central stabilization, diaphragm and transverse abdominal muscle recruitment and pelvic floor muscle activation), with the questionnaire reapplied at the end. The scores obtained from both questionnaires before and after treatment were used to compare treatment efficacy and validate the PinQ questionnaire.

A total of 300 sessions were conducted with 20 patients, each receiving 15 weekly sessions, with an average age of 8.95 years. The analysis of the PinQ questionnaire showed an improvement of symptoms (Score before: mean 37.7; deviation±15.9 and Score after: mean 26.8; deviation±12.9 with p=0.0051), as well as the DVVSS questionnaire (Score before: mean 11, deviation 3.4 and Score after: mean 7.7, deviation 4 with p=0.0055), with a significant improvement in the quality of life of children as assessed by both questionnaires.

This study confirmed the effectiveness of a Portuguese-language tool that evaluates the real impact of quality of life in children and adolescents with LUTD.