Tag Archives: Intensive Care Units

The Confusion Assessment Method (CAM) for the ICU-7 Delirium Severity Scale

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Khan BA, et al. The Confusion Assessment Method for the ICU-7 Delirium Severity
Scale: A Novel Delirium Severity Instrument for Use in the ICU. Crit Care Med. 2017 May;45(5):851-857.

Measurements and Main Results: Patients received the CAM-ICU, Richmond Agitation-Sedation Scale (RASS), and Delirium Rating Scale-Revised (DRS-R)-98 assessments. A 7-point scale (0-7) was derived from responses to the CAM-ICU and RASS items. CAM-ICU-7 showed high internal consistency (Cronbach’s alpha=0.85) and good correlation with DRS-R-98 scores (correlation coefficient=0.64). Known-groups validity was supported by the separation of mechanically ventilated and non-ventilated assessments. Median CAM-ICU-7 scores demonstrated good predictive validity with higher odds (OR=1.47; 95% CI=1.30-1.66) of inhospital mortality, and lower odds (OR=0.8; 95% CI=0.72-0.9) of being discharged home after adjusting for age, race, gender, severity of illness, and chronic comorbidities. Higher CAM-ICU-7 scores were also associated with increased length of ICU stay (p=0.001).

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The safety of enteral and parenteral nutrition in ICU patients receiving vasopressors

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Patel JJ, et al. Phase 3 Pilot Randomized Controlled Trial Comparing Early Trophic Enteral Nutrition With “No Enteral Nutrition” in Mechanically Ventilated Patients With Septic Shock. JPEN J Parenter Enteral Nutr. 2020 Jul;44(5):866-873.

Full-text for Emory users.

Results: One hundred thirty-one patients were eligible for enrollment, and 49 were available for consent. Thirty-one (86%) consented and were randomized and 100% of patients in the early EN arm and 94% in the “no EN” arm completed their protocols. While on vasopressors, early EN group received median 384 kcal, and the “no EN” group received median 0 kcal. Contamination rate was 0 in the early trophic EN arm and 6% in the “no EN” arm. The early EN group had median 25 intensive care unit-free days, as compared with 12 in the “no EN” arm (P = .014). The early EN arm had median 27 ventilator-free days, compared with 14 in “no EN” arm (P = .009).

Conclusion: Our protocol comparing early trophic EN with “no EN” in septic shock was feasible. Early trophic EN may be beneficial, but a larger multicenter trial is warranted to confirm the observed clinical benefits seen in this trial.

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