Australian critical care : official journal of the Confederation of Australian Critical Care Nurses · 2023
A single-centre observational study of delayed defaecation in brain-injured patients in an adult intensive care unit.
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McConnochie Rachael, O'Brien Anthony, Parke Rachael
Аннотация
BACKGROUND: The incidence of delayed defaecation is high in enterally fed ventilated patients in intensive care units (ICUs). Those with brain injury may be harmed by increased intracranial pressure if delayed defaecation leads to abdominal distension. There are no studies evaluating a bowel guideline in the treatment of delayed defaecation in ventilated brain-injured ICU patients.
OBJECTIVE: The objective of this study was to assess the incidence and clinical associations of delayed defaecation and level of compliance to an ICU bowel guideline.
METHODS: Data were collected on ventilated adult patients with brain injury admitted for more than 3 days to one New Zealand ICU over a 2-year period.
RESULTS: Data were analysed for 117 patients; 56 (48%) who defaecated within 3 days of ICU admission (Group one) and 61 (52%) with delayed defaecation after 3 days (Group two). Compliance with the bowel guideline was low. Only 1 of 61 patients who should have had a rectal examination did so, and only 7 of 61 patients who should have had an aperient on day 3 did so. All seven received Movicol®, which was not part of the guideline. Use of aperients and enemas was found to be associated with stool passage (odds ratio: 93; 95% confidence interval: 5.2-1668; p = 0.002). Patients with delayed defaecation had longer ICU stays (mean 7.1 ± 4 SD vs 5.9 ± 3 days, p = 0.07) and more often had high gastric residual volumes after day 4 (27/61 vs 14/56; p = 0.003). No differences were seen between the groups in the incidence of ventilator-associated pneumonia, bacterial infections, diarrhoea, vomiting, duration of mechanical ventilation, or mortality.
CONCLUSION: Delayed defaecation was common, and compliance with the guideline was low. Movicol® and phosphate enemas were effective in stool production.
OBJECTIVE: The objective of this study was to assess the incidence and clinical associations of delayed defaecation and level of compliance to an ICU bowel guideline.
METHODS: Data were collected on ventilated adult patients with brain injury admitted for more than 3 days to one New Zealand ICU over a 2-year period.
RESULTS: Data were analysed for 117 patients; 56 (48%) who defaecated within 3 days of ICU admission (Group one) and 61 (52%) with delayed defaecation after 3 days (Group two). Compliance with the bowel guideline was low. Only 1 of 61 patients who should have had a rectal examination did so, and only 7 of 61 patients who should have had an aperient on day 3 did so. All seven received Movicol®, which was not part of the guideline. Use of aperients and enemas was found to be associated with stool passage (odds ratio: 93; 95% confidence interval: 5.2-1668; p = 0.002). Patients with delayed defaecation had longer ICU stays (mean 7.1 ± 4 SD vs 5.9 ± 3 days, p = 0.07) and more often had high gastric residual volumes after day 4 (27/61 vs 14/56; p = 0.003). No differences were seen between the groups in the incidence of ventilator-associated pneumonia, bacterial infections, diarrhoea, vomiting, duration of mechanical ventilation, or mortality.
CONCLUSION: Delayed defaecation was common, and compliance with the guideline was low. Movicol® and phosphate enemas were effective in stool production.