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Increasing Enteral Protein Intake in Critically Ill Trauma and Surgical Patients

6 novembre 2018 aggiornato da: Grant E. O'Keefe, University of Washington
Published guidelines recommend at least 2 gm/kg/day of protein for critically ill surgical patients. It may not be possible to achieve this level of intake using polymeric enteral nutritional formula and protein or amino acid supplementation will be necessary. This was a retrospective cohort study in which the investigators reviewed critically ill trauma and surgical patients treated with supplemental enteral protein according to a protocol aimed to deliver a total of 2 gm/kg/day of protein. The investigators studied detailed nutritional data from a 2 week period after admission and obtained additional data through discharge to determine caloric intake, protein intake and complications. The investigators also compared urine nitrogen excretion and visceral protein (transthyretin) concentrations between those who received early supplementation with those who did not.

Panoramica dello studio

Descrizione dettagliata

This is a retrospective analysis of a treatment approach designed to increase enteral protein intake in critically ill surgical patients. The study investigators recently developed guidelines aimed to improve early enteral protein delivery in critically ill patients. The guidelines were tested for 6 months; applying it to 53 patients (April to September, 2016) in order to determine its safety and effectiveness. All subjects were admitted to the surgical intensive care unit and identified by one of the investigators as being appropriate for protein supplementation. The guidelines required that patients were: 1. Deemed ready to start enteral nutritional support by the attending intensivist within 72 hours of admission to the intensive care unit, 2. No contraindications to full enteral support, 3. No history of chronic liver disease, 4. Serum creatinine <2.0 mg/dl.

In order to compare biochemical markers of nutritional support, the investigators used the electronic medical record to identify all patients admitted to the surgical intensive care unit who were in the ICU long enough to undergo testing of 24 hour urine nitrogen excretion from January to December 2016.8 As part of standard clinical practice, measurement of urine nitrogen excretion is performed in patients who are in the ICU and receiving nutritional support for more than one week. In addition to measuring TUN, the investigators also monitor the response to nutritional support and recovery from critical illness using serum transthyretin (also known as prealbumin).

This review resulted in a cohort of 118 patients who underwent at least one TUN measurement. Of these, 27 received early protein supplementation and 91 did not and these provide the basis for the comparisons described below. We wanted to measure the effect of early supplemental protein treatment on nitrogen excretion and on serum transthyretin concentrations as the patients recovered. We therefore, compared nitrogen excretion and serum transthyretin between those who received early supplementation and those who did not.

Tipo di studio

Interventistico

Iscrizione (Effettivo)

118

Fase

  • Non applicabile

Criteri di partecipazione

I ricercatori cercano persone che corrispondano a una certa descrizione, chiamata criteri di ammissibilità. Alcuni esempi di questi criteri sono le condizioni generali di salute di una persona o trattamenti precedenti.

Criteri di ammissibilità

Età idonea allo studio

14 anni e precedenti (Adulto, Adulto più anziano)

Accetta volontari sani

No

Sessi ammissibili allo studio

Tutto

Descrizione

Inclusion Criteria:

  • All critically ill adult trauma (blunt and penetrating) and all surgical critical care patients ≥ 18 years old patients where enteral nutrition is begun by the attending physician during the first 48 hours after injury, and are expected to require nutritional support for at least 1 week

Exclusion Criteria:

  • Significant chronic organ failure
  • Severe malnutrition pre-existing prior to ICU admission
  • Not expected to survive due to the severity of their illness or traumatic injuries
  • Intestinal discontinuity
  • Short bowel syndrome
  • Bowel obstruction
  • Enterocutaneous fistula
  • Intestinal ischemia
  • Massive gastrointestinal hemorrhage
  • Inability to obtain enteral access

Piano di studio

Questa sezione fornisce i dettagli del piano di studio, compreso il modo in cui lo studio è progettato e ciò che lo studio sta misurando.

Come è strutturato lo studio?

Dettagli di progettazione

  • Scopo principale: Trattamento
  • Assegnazione: Non randomizzato
  • Modello interventistico: Assegnazione di gruppo singolo
  • Mascheramento: Nessuno (etichetta aperta)

Armi e interventi

Gruppo di partecipanti / Arm
Intervento / Trattamento
Comparatore attivo: Modular enteral protein - Prosource
Subjects are patients admitted to the surgical intensive care unit and identified by one of the investigators as being appropriate for protein supplementation. Guidelines required that patients were: 1. Deemed ready to start enteral nutritional support by the attending physician within 72 hours of admission to the intensive care unit, 2. No contraindications to full enteral support, 3. No history of chronic liver disease, 4. Serum creatinine < 2.0 mg/dl.
Supplemental protein (2 gm/kg/day of Prosource; Medtrition, Lancaster, PA) was administered via the nasal/oral feeding tube in 60 - 180 ml bolus infusions 2 - 4 times per day, independently of the enteral formula received. That is, the daily target amount of protein was initially administered as the supplement boluses and only after the enteral formula infusion approached the target rate was the amount of supplement decreased. Supplemental protein was reduced by 50% once the patient received 75% of targeted caloric intake over the previous day (0700 - 0700). Once the patient reached the target caloric intake for 48 hours, the amount of supplemental protein was decreased in order that the total protein prescribed equaled 2 gm/kg/day.
Nessun intervento: Control group
The investigators used the electronic medical record to identify control subjects. These were patients admitted to the surgical intensive care unit who were in the ICU long enough to undergo testing of 24 hour urine nitrogen excretion from January to December 2016.8 As part of standard clinical practice, measurement of urine nitrogen excretion is performed in patients who are in the ICU and receiving nutritional support for more than one week.

Cosa sta misurando lo studio?

Misure di risultato primarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Enteral protein intake
Lasso di tempo: 14 days
Amount of enteral protein intake during first 14 days
14 days
Total urine nitrogen excretion
Lasso di tempo: up to 2 weeks after admission
Nitrogen excreted in urine over 24 hour period
up to 2 weeks after admission

Misure di risultato secondarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Ventilator-free days
Lasso di tempo: Up to 28 days
Days alive and not receiving mechanical ventilation in initial 28 days
Up to 28 days

Collaboratori e investigatori

Qui è dove troverai le persone e le organizzazioni coinvolte in questo studio.

Studiare le date dei record

Queste date tengono traccia dell'avanzamento della registrazione dello studio e dell'invio dei risultati di sintesi a ClinicalTrials.gov. I record degli studi e i risultati riportati vengono esaminati dalla National Library of Medicine (NLM) per assicurarsi che soddisfino specifici standard di controllo della qualità prima di essere pubblicati sul sito Web pubblico.

Studia le date principali

Inizio studio (Effettivo)

1 aprile 2016

Completamento primario (Effettivo)

30 settembre 2016

Completamento dello studio (Effettivo)

30 settembre 2016

Date di iscrizione allo studio

Primo inviato

5 novembre 2018

Primo inviato che soddisfa i criteri di controllo qualità

6 novembre 2018

Primo Inserito (Effettivo)

7 novembre 2018

Aggiornamenti dei record di studio

Ultimo aggiornamento pubblicato (Effettivo)

7 novembre 2018

Ultimo aggiornamento inviato che soddisfa i criteri QC

6 novembre 2018

Ultimo verificato

1 novembre 2018

Maggiori informazioni

Termini relativi a questo studio

Altri numeri di identificazione dello studio

  • STUDY00002185

Informazioni su farmaci e dispositivi, documenti di studio

Studia un prodotto farmaceutico regolamentato dalla FDA degli Stati Uniti

No

Studia un dispositivo regolamentato dalla FDA degli Stati Uniti

No

Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .

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