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Rev. Assoc. Med. Bras. (1992) ; 65(7): 952-958, July 2019. tab, graf
Article in English | LILACS | ID: biblio-1013011

ABSTRACT

SUMMARY PURPOSE In this prospective observational study, we aimed to investigate the role of the maximum compressed (MC) and uncompressed (UC) thickness of the quadriceps femoris muscle (QFMT) measured by ultrasonography (USG) in the detection of nutritional risk in intensive care patients (ICPs) with different volume status. METHODS 55 patients were included. Right, left, and total ucQFMT and mcQFMT measurements were obtained by a standard USG device within the first 48 hours after ICU admission. Clinical examination and the USG device were used to determine the volume status of the patients. SOFA, APACHE II, modified NUTRIC scores, and demographic data were collected. RESULTS There was a significant difference between the nutritional risk of patients in terms of left, right, and total mcQFMT measurements (p=0.025, p=0.039; p=0.028, respectively), mechanical ventilation requirement (p=0.014), presence of infection (p=0.019), and sepsis (p=0.006). There was no significant difference between different volume statuses in terms of mcQFMT measurements. In the multi-variance analysis, mcQFMT measurements were found to be independently associated with high nutritional risk (p=0.019, Exp(B)=0.256, 95%CI=0.082-0.800 for modified NUTRIC score ≥ 5), and higher nutritional risk (p=0.009, Exp(B)=0.144, 95%CI=0.033-0.620 for modified NUTRIC score ≥ 6). a Total mcQFMT value below 1.36 cm was a predictor for higher nutritional risk with 79% sensitivity and 70% specificity (AUC=0.749, p=0.002, likelihood ratio=2.04). CONCLUSION Ultrasonographic measurement of total mcQFMT can be used as a novel nutritional risk assessment parameter in medical ICPs with different volume statuses. Thus, patients who could benefit from aggressive nutritional therapy can be easily identified in these patient groups.


RESUMO OBJETIVO Neste estudo observacional prospectivo, objetivamos investigar o papel da espessura do músculo quadríceps femoral (QFMT) comprimido (mc) e não comprimido (uc) medida pela ultrassonografia (USG) na detecção do risco nutricional em pacientes de terapia intensiva (ICPs) com status de volume diferente. MÉTODOS Cinquenta e cinco pacientes foram incluídos. As medidas direita, esquerda e total de ucQFMT e mcQFMT foram obtidas por um dispositivo USG padrão nas primeiras 48 horas após a admissão na UTI. O exame clínico e o dispositivo USG foram usados para determinar o status volumétrico dos pacientes. Sofa, Apache II, escores Nutric modificados e dados demográficos foram coletados. RESULTADOS Houve diferença significativa entre o risco nutricional dos pacientes em termos de medidas da QTFMT esquerda, direita e total (p=0,025, p=0,039; p=0,028, respectivamente), necessidade de ventilação mecânica (p=0,014), presença de infecção (p=0,019) e sepse (p=0,006). Não houve diferença significativa entre os diferentes status de volume em termos de medidas de mcQFMT. Na análise de variância múltipla, verificou-se que as medidas da FCFMT estavam independentemente associadas a alto risco nutricional (p=0,019, Exp (B)=0,256, 95%CI=0,082-0,800 para escore Nutric modificado ≥ 5) e maior risco nutricional (p=0,009, Exp (B)=0,144, 95%CI=0,033-0,620 para o escore Nutric modificado ≥ 6). O valor total de mcQFMT abaixo de 1,36 cm foi um preditor de maior risco nutricional com sensibilidade de 79% e especificidade de 70% (ASC=0,749, p=0,002, razão de verossimilhança = 2,04). CONCLUSÃO A medida ultrassonográfica do mcQFMT total pode ser usada como um novo parâmetro de avaliação de risco nutricional em ICPs médicas com diferentes status de volume. Assim, pacientes que podem se beneficiar de uma terapia nutricional agressiva podem ser facilmente identificados nesses grupos de pacientes.


Subject(s)
Humans , Male , Female , Aged , Aged, 80 and over , Nutritional Status/physiology , Ultrasonography/methods , Quadriceps Muscle/pathology , Quadriceps Muscle/diagnostic imaging , Reference Values , Respiration, Artificial/adverse effects , Logistic Models , Nutrition Assessment , Prospective Studies , Sensitivity and Specificity , Critical Illness , Risk Assessment , APACHE , Malnutrition/physiopathology , Malnutrition/pathology , Malnutrition/diagnostic imaging , Nutrition Therapy/methods , Quadriceps Muscle/physiopathology , Intensive Care Units , Length of Stay , Middle Aged
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