Functional Penile Length After Penile Plication: "Empha-sizing" What Matters.

Objective: To reassess penile length changes after penile plication (PP), we defined a novel measurement of functional penile length (FPL) and compared preoperative and postoperative measurements. PP reduces penile curvature in Peyronie's Disease (PD) patients, but is traditionally thought to reduce overall penile length. However, the literature on PD lacks a standardization for penile length measurement techniques, leading to high inter-study variability.

Vestibular and Cardiovascular Responses After Long-Duration Spaceflight.

The vestibulo-sympathetic reflex operates during orthostatically challenging movements to initiate cardiovascular responses in advance of a baroreceptor-mediated response. The objective of this study was to determine whether there was an association between changes in vestibular function and cardiovascular responses during a prone-to-stand movement in astronauts after return from long-duration spaceflight. Thirteen crewmembers who participated in International Space Station missions were tested before spaceflight and 1 d after landing.

Functional Task and Balance Performance in Bed Rest Subjects and Astronauts.

Introduction: The purpose of this study was to determine how short- and long-duration spaceflight affects astronauts' performance on functional tests that challenge the balance control system (Seated Egress and Walk; Object Translation; Recovery from Fall/Stand; and Jump Down) and on clinical tests of balance function (Computerized Dynamic Posturography and Tandem Walk). In addition, we examined how exercise affects functional performance after long-term axial body unloading during 70 d of bed rest at 6° head-down tilt.

Methods: Data were collected twice during the 2-mo period before spaceflight or during the 2-wk period before bed rest, and four times after flight or bed rest: on the day of landing or the day bed rest ended, 1 d and 6 d later, and a final session 12 d after bed rest or 30 d after spaceflight.

Physiological and Functional Alterations after Spaceflight and Bed Rest.

Introduction: Exposure to microgravity causes alterations in multiple physiological systems, potentially impacting the ability of astronauts to perform critical mission tasks. The goal of this study was to determine the effects of spaceflight on functional task performance and to identify the key physiological factors contributing to their deficits.

Methods: A test battery comprised of seven functional tests and 15 physiological measures was used to investigate the sensorimotor, cardiovascular, and neuromuscular adaptations to spaceflight.

Risk Factors for Interstage Mortality Following the Norwood Procedure: Impact of Sociodemographic Factors.

Interstage mortality remains significant for patients undergoing staged palliation for hypoplastic left heart syndrome and other related single right ventricle malformations (HLV). The purpose of this study was to identify factors related to demographics, socioeconomic position, and perioperative course associated with post-Norwood hospital discharge, pre-stage 2, interstage mortality (ISM). Medical record review was conducted for patients with HLV, born from 1/2000 to 7/2009 and discharged alive following the Norwood procedure.