Publications by authors named "Nicolas Dousse"

Background: Intensive Care Unit (ICU) patients are known to lose muscle mass and function during ICU stay. Ultrasonography (US) application for the assessment of the skeletal muscle is a promising tool and might help detecting muscle changes and thus several dysfunctions during early stages of ICU stay. MUSiShock is a research project aiming to investigate structure and function of diaphragm and peripheral muscles using ultrasound techniques in septic shock patients, and to assess their relevance in several clinical outcomes such as the weaning process.

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A high-quality, low-cost ventilator, dubbed HEV, has been developed by the particle physics community working together with biomedical engineers and physicians around the world. The HEV design is suitable for use both in and out of hospital intensive care units, provides a variety of modes and is capable of supporting spontaneous breathing and supplying oxygen-enriched air. An external air supply can be combined with the unit for use in situations where compressed air is not readily available.

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Cardiovascular diseases and especially coronary artery disease remain the first cause of mortality in Switzerland. Comprehensive cardiac rehabilitation is a validated multidisciplinary intervention, which represents the most appropriate strategy of implementing an effective secondary cardiovascular prevention to reduce the impact of cardiovascular diseases. However, less than half of patients after a myocardial infarction and a tiny proportion of patients with heart failure participate in a rehabilitation program in our country.

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Article Synopsis
  • Early exercise in critically ill patients can improve muscle strength and reduce systemic inflammation, but different ventilation modes (PSV vs. proportional) influence exercise outcomes.
  • In a study with ten patients, exercise under proportional ventilation resulted in less increase in oxygen consumption (VO) compared to PSV, indicating better efficiency during exercise.
  • Despite similar baseline pressures, proportional modes (PAV+ and NAVA) demonstrated improved work efficiency, with no significant impact on patient discomfort or other physical metrics.
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Patients who suffered from an exacerbation of a chronic respiratory disorder are often very limited in terms of their exercise capacity because of severe dyspnea and amyotrophy of peripheral muscles. Early implementation of pulmonary rehabilitation may help these patients to avoid the complications of a prolonged bedridden period, and increase more rapidly their mobility. Early rehabilitation has become more frequent, but requires special skills from the care givers (chest therapists).

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