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September 27, 2018AnaesthesiaOpen Access

Quality improvement studies – pitfalls of the before and after study design

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Key result

A quality improvement intervention for the peri-operative management of neuromuscular blockade reduced postoperative pulmonary complications, though financial incentives may be required to encourage uptake.

Why the study?

Does a quality improvement initiative for the peri-operative management of neuromuscular blockade reduce postoperative pulmonary complications in surgical patients?

Population

Surgical patients requiring pharmacological neuromuscular blockade

Comparison

Quality improvement initiative for… vs Pre-intervention cohort

Design

Editorial, None

Authors

SCSeungwoo ChoiGWGtc Wong

Discussion

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Overview

Routine quantitative monitoring may reduce undetected residual paralysis; extends subjective assessment limits with first RCT data.

Structured PICO

Does a quality improvement initiative for the peri-operative management of neuromuscular blockade reduce postoperative pulmonary complications in surgical patients?

P
Population
Surgical patients requiring pharmacological neuromuscular blockade (as discussed in the referenced Rudolph et al. study)
I
Intervention
Quality improvement initiative for peri-operative management of neuromuscular blockade (including smaller neostigmine vial sizes, department-wide educational activities, cognitive aids, and financial incentives for train-of-four [TOF] ratio documentation)
C
Comparator
Pre-intervention cohort (before implementation of the quality improvement initiative)
O
Outcome
Dichotomised composite measure of pneumonia, respiratory failure, pulmonary oedema and/or tracheal intubationcomposite

A quality improvement intervention for neuromuscular blockade management can reduce postoperative pulmonary complications, though quasi-experimental designs require careful statistical handling to mitigate inherent biases.

Limitations

  • Lack of randomisation is a major weakness of quasi-experimental designs.
  • Threats to internal validity include selection bias, maturation, and instrumentation (e.g., financial incentives altering documentation behavior).
  • Lack of randomisation
  • Selection bias
  • Maturation (naturally occurring changes over time confused with intervention effect)
  • Instrumentation bias (financial incentives may have resulted in superior documentation rather than just clinical change)

Cite This Study

Choi et al. (2018) conducted an editorial in Postoperative residual paralysis and pulmonary complications. Quality improvement initiative for peri-operative management of neuromuscular blockade vs. Before implementation (standard practice) was evaluated on Composite measure of pneumonia, respiratory failure, pulmonary oedema and/or tracheal intubation. A quality improvement intervention for the peri-operative management of neuromuscular blockade reduced postoperative pulmonary complications, though financial incentives may be required to encourage uptake.

synapsesocial.com/papers/6a5eacd912cfc71cd859059chttps://doi.org/10.1111/anae.14451
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Implementation of a new strategy to improve the peri‐operative management of neuromuscular blockade and its effects on postoperative pulmonary complications2018 · 35 citations
  2. 2Response to comments on “Reversal agents: Do we need to administer with neuromuscular monitoring”2018 · 1 citations
  3. 3Optimizing neuromuscular blockade management for improving patient safety and peri-operative outcomes: a pilot phase of a quality improvement initiative2023 · 1 citations
  4. 4The Implementation of Quantitative Electromyographic Neuromuscular Monitoring in an Academic Anesthesia Department2015 · 58 citations
  5. 5Sugammadex and postoperative pulmonary complications after upper gastrointestinal endoscopy: a reply2026