Browsing by Author "Castro-Ávila, Ana Cristina"
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Item Construct Validity of the Chilean-Spanish Version of the Functional Status Score for the Intensive Care Unit: A Prospective Observational Study Using Actigraphy in Mechanically Ventilated Patients(2020) Camus-Molina, Agustín; Castro-Ávila, Ana Cristina; Leppe, JaimeObjective: To evaluate the construct validity (hypotheses testing) of the Chilean-Spanish version of the Functional Status Score for the Intensive Care Unit (FSS-ICU) using continuous actigraphy from intensive care unit (ICU) admission to ICU discharge. Design: The Chilean-Spanish version of the FSS-ICU was used in a prospective observational study to mainly evaluate its correlation with actigraphy variables. The FSS-ICU was assessed on awakening and at ICU discharge, while actigraphy variables were recorded from ICU admission to ICU discharge. Setting: A 12-bed academic medical-surgical ICU. Participants: Mechanically ventilated patients (N=30), of 92 patients screened. Interventions: Not applicable. Main outcome measures: Construct validity of the FSS-ICU Chilean-Spanish version was assessed by testing 12 hypotheses, including the correlation with activity counts, activity time (>99 counts/min), inactivity time (0-99 counts/min), muscle strength, ICU length of stay, and duration of mechanical ventilation. Results: The median FSS-ICU was 19 points (interquartile range [IQR], 10-26 points) on awakening and 28.5 points (IQR, 22-32 points) at ICU discharge. There was no floor/ceiling effect of the FSS-ICU at awakening (0%/0%) and only a ceiling effect at ICU discharge that was acceptable (0%/10%). Less activity time was associated with better mobility on the FSS-ICU at both awakening (ρ=-0.62, P<.001) and ICU discharge (ρ=-0.79, P<.001). Activity counts and activity time were not correlated as expected with the FSS-ICU. Conclusions: The Chilean-Spanish FSS-ICU had a strong correlation with inactivity time during the ICU stay. These findings enhance the available clinimetric properties of the FSS-ICU.Item Effects of 24-hours/day versus business hours physical therapy intervention in adult intensive care unit patients: a systematic review care unit patients(2018) Merino, Catalina; Castro-Ávila, Ana Cristina; Gutiérrez-Arias, Ruvistay; Arriagada, María Jesús; Villanueva, Catalina; Leppe, Jaime; Fu, CarolinaBackground: Some evidence suggests that higher doses of mobilization could have benefits on functional status. However, the impact of increasing the availability of Physical Therapist in the intensive care unit to provide critical care for these conditions is unclear. Objective: to determine the effect of physical therapy 24-hour/7days on the length of stay, index of respiratory system infection, days of mechanical ventilation, mortality and quality of life, in adult patients admitted to an intensive care unit. Methods and design: The databases EMBASE, MEDLINE, PUBMED, and reference lists of previous reviews were searched for clinical trials and observational studies, without restriction on language or publication date. Four reviewers independently screened articles for eligibility, and included studies were appraised using the ROBINS-I risk of bias tool for non-randomised studies. Results: 4509 records were screened. Two prospective cohorts were included in the review. Both studies reported significant improvements in length of intensive care unit stay and days of mechanical ventilation, while the index of respiratory system infection and mortality had unclear improvement. No studies reported quality of life in patients. Conclusion: There was insufficient robust data to conclude that increasing availability of physical therapy beyond business hours could shorten the length of ICU stay and days of mechanical ventilation. Further studies are required to increase certainty about the effectiveness of Physical Therapist intervention 24-hours/7 days in intensive care unit.