Retracted: Electromyographic assessment of neuromuscular block at the gastrocnemius muscle

Saitoh, Yuhji; Narumi, Yasunaka; Fujii, Yoshitaka; Ueki, Masato; Makita, Koshi

doi:10.1093/bja/82.3.329

Cited by 9 publications

(9 citation statements)

References 12 publications

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“…T1/control evaluated over the vastus medialis muscle did not differ from that measured at the thumb. However, TOFR assessed over the vastus medialis muscle was higher than that evaluated at the thumb 60 to 120 min after the administration of vecuronium 0.1 mg·kg - 1 .…”

Section: P-ptc S-ptc P-tof S-tofmentioning

confidence: 60%

“…10 As the percentage of type II muscle fibres increases, the skeletal muscle becomes more resistant to a non-depolarizing neuromuscular relaxant and recovery from neuromuscular blockade is hastened. 1,[5][6][7][8] Because the vastus medialis muscle is thought to be more resistant to non-depolarizing neuromuscular blocking drugs than the adductor pollicis muscle, TOFR assessed over the vastus medialis muscle was higher than that measured at the thumb. On the other hand, accelerographic TOFR is comparable to mechanical TOFR in the mechanical TOFR range of 0 to 0.70.…”

Section: P-ptc S-ptc P-tof S-tofmentioning

confidence: 99%

“…In such cases, the degree of neuromuscular blockade can be evaluated electromyographically at the gastrocnemius muscle. 1 Electromyographic monitoring is, however, relatively troublesome since it requires special equipment. In contrast, accelerographic monitoring is easy to use clinically, requiring only a small acceleration transducer which can easily be attached to the patients.…”

Section: P-ptc S-ptc P-tof S-tofmentioning

confidence: 99%

“…Therefore, the degree of neuromuscular blockade cannot be evaluated mechanically or accelerographically at the hand or foot since the movement of the hand or foot in these positions is limited. 1 In such cases the degree of neuromuscular blockade can be evaluated electromyographically at the gastrocnemius muscle. 1 To assess the depth of neuromuscular blockade electromyographically, however, a special monitoring device is needed.…”

mentioning

confidence: 99%

“…1 In such cases the degree of neuromuscular blockade can be evaluated electromyographically at the gastrocnemius muscle. 1 To assess the depth of neuromuscular blockade electromyographically, however, a special monitoring device is needed. On the contrary, the degree of neuromuscular blockade can easily be monitored accelerographically using a small acceleration transducer.…”

mentioning

confidence: 99%

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RETRACTED ARTICLE: Neuromuscular blockade can be assessed accelerographically over the vastus medialis muscle in patients positioned prone

et al. 2003

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P Pu ur rp po os se e: : To study accelerographic monitoring of neuromuscular blockade over the vastus medialis muscle in anesthetized patients in the prone position.M Me et th ho od ds s: : Sixty adult patients were divided into four groups of 15: prone (P)-post-tetanic count (PTC), P-train-of-four (TOF), supine (S)-PTC or S-TOF group. In the P-PTC and P-TOF groups, the muscular branch of the femoral nerve was stimulated and the movement of the vastus medialis muscle was measured accelerographically. In the S-PTC and S-TOF groups, the depth of neuromuscular blockade was assessed mechanically at the thumb. After administration of vecuronium 0.1 mg·kg -1 , TOF stimuli were delivered every 20 sec in all groups. Onset of neuromuscular blockade (time from vecuronium to the minimum level of T1 (first response of TOF) was compared between the P-PTC or P-TOF group and S-PTC or S-TOF group. Recoveries of PTC and those of TOF were compared between the P-PTC and S-PTC groups and P-TOF and S-TOF groups, respectively. R Re es su ul lt ts s: : Onset of neuromuscular blockade in the P-PTC or P-TOF group was shorter than in the S-PTC or S-TOF group (132 ± 43 vs 233 ± 40 sec, mean ± SD, P < 0.001). Recoveries of PTC in the P-PTC and S-PTC groups followed a similar time course. Recoveries of T1/control in the P-TOF and S-TOF groups were also comparable. In contrast, train-of-four ratio (T4/T1, TOFR) in the P-TOF group was higher than in the S-TOF group 60-120 min after vecuronium (P < 0.05).C Co on nc cl lu us si io on ns s: : The degree of neuromuscular blockade can be assessed accelerographically over the vastus medialis muscle even when patients are in the prone position. When evaluated accelerographically over the vastus medialis muscle, onset of neuromuscular blockade is quicker and TOFR is higher than that assessed at the thumb.Objectif : Étudier la mesure accélérographique du blocage neuromusculaire du muscle vaste interne chez des patients anesthésiés en décubitus ventral. moyenne ± l'écart type, P < 0,001 Méthode : Soixante adultes ont été répartis en quatre groupes de 15 : compte post-tétanique en décubitus ventral (CPT-V), train-de-quatre-V (TDQ-V), CPT-D en décubitus dorsal ou TDQ-D. Dans les groupes CPT-V et TDQ-V, la branche musculaire du nerf fémoral a été stimulée et le mouvement du muscle vaste interne mesuré par accélérographie. Dans les groupes CPT-D et TDQ-D, la profondeur du blocage neuromusculaire a été évaluée mécaniquement au pouce. Après l'administration de 0,1 mg·kg -1 de vécuronium, des stimuli en TDQ ont été administrés à toutes les 20 sec chez tous les patients. L'installation du bloc, c'est-à-dire le temps entre l'administration du vécuronium et le niveau minimal de T1 (première réponse au TDQ), a été comparée entre les groupes CPT-V ou TDQ-V et les groupes CPT-D et TDQ-D. La récupération du CPT et celle du TDQ ont été respectivement comparées entre CPT-V et CPT-D et entre TDQ-V et TDQ-D. Résultats: L'installation du bloc dans le groupe CPT-V ou TDQ-V a été plus courte que dans le groupe

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Section: P-ptc S-ptc P-tof S-tofmentioning

confidence: 60%