2020
DOI: 10.1016/j.chest.2020.05.148
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Reduced Spontaneous Respiratory Rate Variability Is Associated With the Worse Outcomes in Intensive Care Unit Patients

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“…A retrospective cohort study shows that patients with a respiratory rate coefficient of variation ≤ 20% in the first 24 hour during admission to the ICU have a higher risk of ICU and hospital death than those with a respiratory rate coefficient of variation > 20%, and the correlation between low respiratory variability and adverse outcomes may be related to a reduced ability to maintain a stable internal environment following a stress response, and that a high respiratory variability may be a response of the organism to a condition used to maintain stability of the internal environment during stress. [ 36 ] The relationship between minimum blood pressure and mortality is U-shaped, with hypotension being a strong prognostic marker for adverse outcomes. When hypotension co-occurs with malignant tumors, the mortality rate further increases.…”
Section: Discussionmentioning
confidence: 99%
“…A retrospective cohort study shows that patients with a respiratory rate coefficient of variation ≤ 20% in the first 24 hour during admission to the ICU have a higher risk of ICU and hospital death than those with a respiratory rate coefficient of variation > 20%, and the correlation between low respiratory variability and adverse outcomes may be related to a reduced ability to maintain a stable internal environment following a stress response, and that a high respiratory variability may be a response of the organism to a condition used to maintain stability of the internal environment during stress. [ 36 ] The relationship between minimum blood pressure and mortality is U-shaped, with hypotension being a strong prognostic marker for adverse outcomes. When hypotension co-occurs with malignant tumors, the mortality rate further increases.…”
Section: Discussionmentioning
confidence: 99%