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Postoperative residual curarization from intermediate-acting neuromuscular blocking agents delays recovery room

A Butterly1, E A Bittner, E George

  • 1Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, 55 Fruit Street, Boston, MA 02114, USA.

British Journal of Anaesthesia
|June 26, 2010
PubMed
Abstract

Insights

Postoperative residual curarization (PORC), a condition where neuromuscular function is not fully restored after surgery, significantly prolongs recovery room stays. This delay impacts patient flow and increases waiting times for PACU beds.

Area of Science:

  • Anesthesiology
  • Patient Safety
  • Healthcare Operations

Background:

  • Postoperative residual curarization (PORC), defined as a train-of-four ratio (T4/T1) less than 0.9, is linked to increased patient morbidity.
  • PORC can potentially delay discharge from the Post-Anesthesia Care Unit (PACU).

Purpose of the Study:

  • To investigate the hypothesis that a T4/T1 ratio below 0.9 after surgery increases the length of stay in the PACU.
  • To assess the impact of PORC-induced delays on overall PACU throughput and patient waiting times.

Main Methods:

  • Neuromuscular transmission was evaluated using acceleromyography in 246 consecutive patients upon PACU admission.
  • A validated queuing model was employed to estimate the effects of prolonged PACU stays on hospital operational efficiency.

Main Results:

  • Patients with PORC (T4/T1 <0.9) experienced significantly longer PACU stays (323 minutes) compared to those with adequate recovery (243 minutes).
  • Independent factors associated with extended PACU stay included patient age and the presence of PORC.
  • Vecuronium administration was associated with a higher incidence of PORC.

Conclusions:

  • PORC is a significant clinical factor contributing to delayed PACU discharge.
  • The findings indicate that PORC negatively impacts PACU patient flow, increasing the likelihood of patients waiting for PACU bed availability.

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