What question did this study set out to answer?

To assess the agreement between acceleromyography and electromyography for posttetanic count monitoring and neuromuscular blockade depth classification.

December 15, 2022AnesthesiologyOpen Access

Comparison of Contralateral Acceleromyography and Electromyography for Posttetanic Count Measurement

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Authors

HJHyunyoung JooAmerican Society of Anesthesiologists SCSooyoung ChoEwha Womans University JLJong Wha LeeEwha Womans University

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Implication

Comparative study reveals poor agreement between acceleromyography and electromyography for posttetanic counts in surgical patients, indicating the two monitoring modalities are not interchangeable.

Key Points

To assess the agreement between acceleromyography and electromyography for posttetanic count monitoring and neuromuscular blockade depth classification.
Monitored 36 patients aged 20 to 65 years receiving rocuronium (0.6 mg/kg, with optional 0.3 mg/kg repeat dosing) during anesthesia.
Recorded contralateral train-of-four and posttetanic counts using electromyography at the hand and acceleromyography at the thumb at 6-minute intervals until train-of-four count reached 1.
Neuromuscular blockade status agreement (intense versus deep block) was 73% across 226 measurement pairs, with a Cohen's kappa coefficient of 0.26.
Among 184 pairs with acceleromyography posttetanic counts of 15 or less, counts were identical in 23% (42/184) and higher on acceleromyography in 50% (93/184).
Mean posttetanic count on electromyography was 38% lower than on acceleromyography (95% CI, 20% to 51%; P = 0.0002).

Cite This Study

Joo et al. (2022) studied this question.

synapsesocial.com/papers/6a901b302e3cec13db33c8be https://doi.org/10.1097/aln.0000000000004466

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Implication

Comparative study reveals poor agreement between acceleromyography and electromyography for posttetanic counts in surgical patients, indicating the two monitoring modalities are not interchangeable.

Comparison of Contralateral Acceleromyography and Electromyography for Posttetanic Count Measurement

Discussion

Member takes

Implication

Key Points

Cite This Study

Comparison of Contralateral Acceleromyography and Electromyography for Posttetanic Count Measurement

Discussion

Member takes

Implication

Key Points

Cite This Study

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