Methylphenidate and P300 in attention deficit hyperactivity disorder: A systematic review and meta-analysis.

Background: Methylphenidate (MPH) is a stimulant medicine often used to treat attention deficit hyperactivity disorder (ADHD), as it may positively affect behaviour and brain activity. This work aims to systematise the current literature about the effects of MPH on the amplitude of P300 in individuals with ADHD.

Methods: A systematic review and meta-analysis of empirical studies measuring P300 amplitude and comparing MPH administration to either a pre-MPH condition or healthy controls was conducted, following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses.

Combined Anterior Cruciate Ligament and Anteromedial Oblique Ligament Reconstruction Using the Rectus Femoris Tendon: Description of Surgical Technique.

We present a technique for combined anterior cruciate ligament and anteromedial oblique ligament reconstruction using the rectus femoris tendon graft. Anatomic anterior cruciate ligament reconstruction and anteromedial reinforcement are performed with a single rectus femoris graft. The rectus femoris tendon graft is harvested in a reproducible and minimally invasive approach.

Mapping of the trans population in the Baixada Santista region, Brazil, 2023: a descriptive study.

Objective: To describe the socioeconomic and demographic characteristics of the trans population in the Baixada Santista region, São Paulo state.

Methods: This was a descriptive study involving adult trans people, selected through convenience sampling in 2023. A quantitative questionnaire was administered and in-depth interviews were conducted, which were analyzed using thematic grouping.