Publications by authors named "S M Levasseur"

Article Synopsis
  • Surgeons often leave a residual atrial-level communication during Tetralogy of Fallot (TOF) repairs, and this study aimed to see how closing this communication affects patient recovery.
  • The researchers reviewed records of 132 TOF patients who had surgery before 12 months old, comparing outcomes between those with and without the communication.
  • The results showed no significant differences in key recovery metrics like cardiac output, drug therapy duration, or intensive care stay, suggesting that closing the communication doesn't significantly alter short-term or mid-term recovery outcomes.
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Background: The burden of neonatal mortality is primarily borne by low- and middle-income countries (LMICs), including deaths due to healthcare-associated infections (HAIs). Few studies have assessed infection prevention and control (IP&C) practices in African units caring for small and/or sick newborns aimed to reduce HAIs.

Methods: We performed a mixed-methods study composed of a survey and virtual tour to assess IP&C and related practices.

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Article Synopsis
  • Left ventricular outflow tract obstruction (LVOTO) is a common complication after correcting interrupted aortic arch with a ventricular septal defect (IAA-VSD), making it critical to identify at-risk patients for future interventions.
  • A study reviewing patients from 2006-2021 showed that 23% required reoperations for LVOTO, with key factors being smaller LVOT diameter and higher velocity measurements at discharge.
  • Despite no significant differences in clinical or surgical variables, the findings indicate that smaller preoperative LVOT measurements may predict the need for subsequent LVOTO interventions.
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A recent finding of a deep venous thrombosis during spaceflight has prompted the need to clarify mechanisms and risks of venous thromboembolism (VTE). In turn, mitigation countermeasures, diagnostic modalities, and treatment options must be explored. The objective of this review was to synthesize current evidence on VTE in spaceflight.

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Objective: This prospective study of pregnant patients, Surveillance To Prevent AV Block Likely to Occur Quickly (STOP BLOQ), addresses the impact of anti-SSA/Ro titers and utility of ambulatory monitoring in the detection of fetal second-degree atrioventricular block (AVB).

Methods: Women with anti-SSA/Ro autoantibodies by commercial testing were stratified into high and low anti-52-kD and/or 60-kD SSA/Ro titers applying at-risk thresholds defined by previous evaluation of AVB pregnancies. The high-titer group performed fetal heart rate and rhythm monitoring (FHRM) thrice daily and weekly/biweekly echocardiography from 17-26 weeks.

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