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Rev Bras Ter Intensiva. 2008;20(3):220-225
DOI 10.1590/S0103-507X2008000300003
OBJECTIVES: Correct cuff inflation allows appropriate ventilation, and prevents aspiration pneumonia as well as several tracheal complications. The objective of this study was to evaluate endotracheal cuff pressure and/or tracheotomy tubes at zero, 30 and 60 degrees inclination of the patient's bed head section in adult intensive care units. METHODS: A cross sectional study was carried out evaluating the cuff pressure, the expiratory tidal volume (VT) and the peak airway pressure (PP) at inclinations zero, 30 and 60 degree of the head section of the patients' bed. The 30 degree inclination was considered the standard position used as control to analyze values in the zero and 60 degree positions, which were randomly ordered. The Student's t test was used and was considered significant when p < 0.05. RESULTS: A sample of 12 women and 12 men with a mean age of 51.29 ± 19.55 years was surveyed. When inclination of the bed head section was changed from 30 to zero degrees, there was a 16.9% mean reduction of the cuff pressure and 11.8% mean increase of the PP. On the other hand, changing the position from 30 to 60 degrees caused a mean reduction of 18.8% in the cuff pressure and a mean increase of 13.3% in the PP. Findings were significant when p < 0.05. CONCLUSIONS: To prevent air leak and risk of aspiration pneumonia, adequate adjustments and monitoring of the patients cuff pressure are necessary when inclination of the bed head section is changed.
Abstract
Rev Bras Ter Intensiva. 2008;20(3):220-225
DOI 10.1590/S0103-507X2008000300003
OBJECTIVES: Correct cuff inflation allows appropriate ventilation, and prevents aspiration pneumonia as well as several tracheal complications. The objective of this study was to evaluate endotracheal cuff pressure and/or tracheotomy tubes at zero, 30 and 60 degrees inclination of the patient's bed head section in adult intensive care units. METHODS: A cross sectional study was carried out evaluating the cuff pressure, the expiratory tidal volume (VT) and the peak airway pressure (PP) at inclinations zero, 30 and 60 degree of the head section of the patients' bed. The 30 degree inclination was considered the standard position used as control to analyze values in the zero and 60 degree positions, which were randomly ordered. The Student's t test was used and was considered significant when p < 0.05. RESULTS: A sample of 12 women and 12 men with a mean age of 51.29 ± 19.55 years was surveyed. When inclination of the bed head section was changed from 30 to zero degrees, there was a 16.9% mean reduction of the cuff pressure and 11.8% mean increase of the PP. On the other hand, changing the position from 30 to 60 degrees caused a mean reduction of 18.8% in the cuff pressure and a mean increase of 13.3% in the PP. Findings were significant when p < 0.05. CONCLUSIONS: To prevent air leak and risk of aspiration pneumonia, adequate adjustments and monitoring of the patients cuff pressure are necessary when inclination of the bed head section is changed.
Abstract
Rev Bras Ter Intensiva. 2007;19(1):38-43
DOI 10.1590/S0103-507X2007000100005
BACKGROUND AND OBJECTIVES: Concerning the mechanical ventilation, the weaning is a usual and significant intensive care process. Identifying, describing and demonstrating the techniques used by Respiratory Therapists in weaning and also obtaining its parameters in Intensive Care Units (ICU). METHODS: A survey related to the weaning process was done with active ICU Respiratory Therapists from (FD) in the year 2005. The survey consisted of 31 subjective and objective questions, some of them allowing multiple answers. RESULTS: Eighty surveys were carried out at twenty hospitals. 90% of participants were specialized staff with a mean of three year working experience in ICU. In 98.7% of the answers, doctors and respiratory therapists were responsible for operating the ventilators. In 61.3%, doctors and respiratory therapists were responsible for their use and, in 36.3%, the responsibility was solely on the respiratory therapist professionals. It was found that only twenty-four respiratory therapists (30%) follow the weaning protocol. Among the most practiced parameters from the weaning process are: respiratory frequency (98%), tidal volume (97.5%) and periferic oxygen saturation (92.5%). The least utilized are the maximum inspiratory pressure (18.8%) and the vital capacity (13.8%). CONCLUSIONS: Great differences were observed in the weaning methods, choice of parameters and the way they were collected. These variations suggest that there is a lack of routine and the need to implement simple protocols.
Abstract
Rev Bras Ter Intensiva. 2007;19(1):38-43
DOI 10.1590/S0103-507X2007000100005
BACKGROUND AND OBJECTIVES: Concerning the mechanical ventilation, the weaning is a usual and significant intensive care process. Identifying, describing and demonstrating the techniques used by Respiratory Therapists in weaning and also obtaining its parameters in Intensive Care Units (ICU). METHODS: A survey related to the weaning process was done with active ICU Respiratory Therapists from (FD) in the year 2005. The survey consisted of 31 subjective and objective questions, some of them allowing multiple answers. RESULTS: Eighty surveys were carried out at twenty hospitals. 90% of participants were specialized staff with a mean of three year working experience in ICU. In 98.7% of the answers, doctors and respiratory therapists were responsible for operating the ventilators. In 61.3%, doctors and respiratory therapists were responsible for their use and, in 36.3%, the responsibility was solely on the respiratory therapist professionals. It was found that only twenty-four respiratory therapists (30%) follow the weaning protocol. Among the most practiced parameters from the weaning process are: respiratory frequency (98%), tidal volume (97.5%) and periferic oxygen saturation (92.5%). The least utilized are the maximum inspiratory pressure (18.8%) and the vital capacity (13.8%). CONCLUSIONS: Great differences were observed in the weaning methods, choice of parameters and the way they were collected. These variations suggest that there is a lack of routine and the need to implement simple protocols.