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1.
Fisioter. Pesqui. (Online) ; 29(3): 245-251, jul.-set. 2022. tab, graf
Article in English | LILACS-Express | LILACS | ID: biblio-1421476

ABSTRACT

ABSTRACT Transcutaneous neuromuscular electrical stimulation (NMES) is considered an important tool to prevent muscle mass and strength loss in patients admitted to intensive care units (ICU). This study aimed to evaluate physical therapists' profile and knowledge of NMES and identify the main barriers to its use in ICUs. This observational cross-sectional study was conducted via a structured questionnaire created by the authors. It consisted of 12 objective questions to analyze physical therapists' knowledge of NMES use in critically ill patients. Physical therapists were invited to participate in this study during an international symposium on NMES. In total, 56 physical therapists, with a mean age of 33.5±7.2 years and working an average of 9.7±7 years after graduation, completed the survey. Overall, 34 respondents worked in ICUs, of which only four (12%) reported regular NMES use in their ICUs. We found a low average of correct answers to our questionnaire (25%; 3/12). The main barriers reported to using NMES in ICUs were lack of knowledge (28; 50%) and equipment (24; 43%). The number of correct answers expert and non-expert physical therapists was not statistically significant (p=0.68). Thus, we observed participants' poor knowledge of NMES use in critically ill patients. Respondents showed that NMES has been underused in their ICUs. Lack of knowledge and equipment seems to be the main barriers for the use of NMES in ICUs.


RESUMO A estimulação elétrica neuromuscular transcutânea (EENM) é considerada uma importante ferramenta para prevenir a perda de força e massa muscular em pacientes internados em unidades de terapia intensiva (UTIs). Este estudo teve como objetivo avaliar o perfil e conhecimento dos fisioterapeutas sobre a EENM e identificar as principais barreiras para sua utilização na UTI. Foi realizado um estudo observacional transversal, por meio de um questionário estruturado elaborado pelos autores. O questionário foi composto por 12 questões objetivas que visavam analisar o nível de conhecimento dos fisioterapeutas sobre o uso da EENM em pacientes críticos. Os fisioterapeutas foram convidados a participar do estudo durante um simpósio internacional sobre EENM. Cinquenta e seis fisioterapeutas completaram a pesquisa, a média de idade foi de 33,5±7,2 anos e o tempo médio de graduação de 9,7±7 anos. Trinta e quatro entrevistados trabalhavam na UTI, e destes apenas 4 (12%) relataram que a EENM era realizada rotineiramente em suas UTIs. Observou-se baixo nível de conhecimento sobre o uso da EENM em pacientes críticos no questionário, com média de 25% de acertos (3/12). Ao comparar os fisioterapeutas especialistas e não especialistas, o número de acertos não foi estatisticamente significativo (p=0,68). As principais barreiras relatadas para a utilização da técnica foram a falta de conhecimento 28 (50%) e a falta de equipamentos 24 (43%). Os entrevistados demonstraram que a EENM tem sido subutilizada em suas UTIs.


RESUMEN La electroestimulación neuromuscular transcutánea (TENS) es una herramienta importante para prevenir la pérdida de fuerza y masa muscular en pacientes ingresados en unidades de cuidados intensivos (UCI). Este estudio tuvo como objetivo evaluar el perfil y el conocimiento de los fisioterapeutas sobre la TENS, así como identificar las principales barreras para su uso en la UCI. Se llevó a cabo un estudio observacional transversal mediante un cuestionario estructurado desarrollado por los autores. El cuestionario constaba de 12 preguntas objetivas cuyo objetivo era analizar el nivel de conocimiento de los fisioterapeutas sobre el uso de la TENS en pacientes críticos. Se invitó a los fisioterapeutas a participar en el estudio durante un simposio internacional sobre TENS. Cincuenta y seis fisioterapeutas completaron la encuesta, la edad media fue de 33,5±7,2 años, y el tiempo medio desde la graduación fue de 9,7±7 años. Treinta y cuatro encuestados trabajaban en la UCI, y de estos solo 4 (12%) informaron que la TENS se realizaba de forma rutinaria en las UCI donde trabajaban. Los resultados del cuestionario mostraron un bajo nivel de conocimiento sobre el uso de la TENS en pacientes críticos, con un promedio de 25% de respuestas correctas (3/12). En la comparación entre los fisioterapeutas especialistas y los no especialistas, el número de respuestas correctas no fue estadísticamente significativo (p=0,68). Las principales barreras reportadas para el uso de esta técnica fueron la falta de conocimiento 28 (50%) y la falta de equipamiento 24 (43%). Los encuestados demostraron que esta técnica es infrautilizada en las UCI.

2.
Rev. bras. eng. biomed ; 29(3): 278-285, set. 2013. ilus, tab
Article in English | LILACS | ID: lil-690216

ABSTRACT

INTRODUCTION: The Perception Sensory Threshold (ST) for sinusoidal current stimuli at 5, 250, and 2,000 Hz is commonly used in the assessment of peripheral nerve fibers (C, Aδ, and Aβ, respectively). However, the neuroselectivity of these frequencies is far from consensus. In addition, Reaction Time (RT) measurements suggest that 2,000 Hz stimuli excite Aβ-fibers, 250 Hz Aβ- or Aδ-fibers, as well as 5 Hz Aβ-, Aδ- or C-fibers. Therefore, we suppose that the sinusoidal current neuroselectivity may be better observed if ST and RT parameters are jointly evaluated. In addition, we have investigated whether there are other sets of frequencies that could be used. METHODS: Thus this work investigates ST and RT for stimuli with frequency ranging from 1 to 3,000 Hz, on 28 healthy subjects aged from 19 to 44 years old (27.1±5.49). ST and RT dissimilarity among different frequencies was evaluated applying bi-dimensional Fisher Quadratic Discriminant. RESULTS: The lowest classification error (3.6%) was obtained for 1, 250, and 3,000 Hz. Error for 5, 250, and 2,000Hz was 16.7%. Stimulation frequency at 1 Hz evoked more sensations related to C-fibers (53% of reports) than to Aβ-fibers (36%). However, this behavior did not repeat itself at 5 Hz (only 21% of perceptions were related to C-fibers against 64% to Aβ-fibers). Sensations related to Aβ-fibers prevailed for the highest frequencies presented to the subjects (2,000 Hz - 82% and 3,000 Hz - 93%). Mean RT values showed a decreasing trend with frequency. CONCLUSION: These results suggest that frequencies 1, 250, and 3,000 Hz are more neuroselective than 5, 250, and 2,000 Hz for the evaluation of peripheral sensitive fibers. Furthermore, they show RT usefulness.

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