Publications by authors named "M Velten"

Article Synopsis
  • Higher rates of adult heart failure are linked to individuals born preterm or with poor fetal growth, often influenced by adverse maternal conditions and the need for oxygen therapy post-birth.
  • Research using a mouse model evaluated the impact of maternal inflammation and oxygen exposure on cardiac health, revealing sex differences in the progression of heart issues by 10 months.
  • Results showed that early changes in heart-related proteins can indicate potential heart problems in adulthood, especially more severe in males, suggesting these patterns might also apply to humans, particularly in infants with growth restrictions.
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The development and adoption of minimally invasive techniques has revolutionized various surgical disciplines and has also been introduced into cardiac surgery, offering patients less invasive options with reduced trauma and faster recovery time compared to traditional open-heart procedures with sternotomy. This article provides a comprehensive overview of the anesthesiologic management for minimally invasive cardiac surgery (MICS), focusing on preoperative assessment, intraoperative anesthesia techniques, and postoperative care protocols. Anesthesia induction and airway management strategies are tailored to each patient's needs, with meticulous attention to maintaining hemodynamic stability and ensuring adequate ventilation.

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Background: Severe aortic stenosis (sAS) is associated with acquired von Willebrand syndrome (AVWS) by loss of high-molecular-weight multimers (HMWM) of von Willebrand factor (VWF), potentially resulting in perioperative bleeding. Analysis of VWF multimers remains challenging. Recently, the new, rapid Hydragel 5 assay has been developed, using electrophoretic protein separation for dividing VWF-multimers into low (LMWM), intermediate (IMWM), and HMWM, the hemostatically active part of VWF.

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Aim: The cardiac surgery-related ischemia-reperfusion-related oxidative stress triggers the release of cytotoxic reactive oxygen and nitrogen species, contributing to organ failure and ultimately influencing patients' short- and long-term outcomes. Selenium is an essential co-factor for various antioxidant enzymes, thereby contributing to the patients' endogenous antioxidant and anti-inflammatory defense mechanisms. Given these selenium's pleiotropic functions, we investigated the effect of a high-dose selenium-based anti-inflammatory perioperative strategy on functional recovery after cardiac surgery.

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Background: Chemoradiotherapy with high-dose cisplatin (HD-Cis: 100 mg/m q3w for three cycles) is the standard of care (SOC) in locally advanced head and neck squamous cell carcinoma (LA-HNSCC). Cumulative delivered dose of cisplatin is prognostic of survival, even beyond 200 mg/m but high toxicity compromises its delivery.

Aim: Cisplatin fractionation may allow, by decreasing the peak serum concentration, to decrease toxicity.

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