Lean and Fat Mass Loss in Obese Patients Before and After Roux-en-Y Gastric Bypass: A New Application for Ultrasound Technique

Lean and Fat Mass Loss in Obese Patients Before and After Roux-en-Y Gastric Bypass: A New Application for Ultrasound Technique

Author Pereira, A. Z. Autor UNIFESP Google Scholar
Marchini, J. S. Google Scholar
Carneiro, G. Autor UNIFESP Google Scholar
Arasaki, C. H. Autor UNIFESP Google Scholar
Zanella, M. T. Autor UNIFESP Google Scholar
Institution Universidade Federal de São Paulo (UNIFESP)
Universidade de São Paulo (USP)
Abstract This study aims to evaluate the thickness of the femoral quadriceps and biceps brachii and brachialis muscles bilaterally and the adjacent subcutaneous fat in patients undergoing gastric bypass Roux-en-Y before and after surgery, using ultrasound as the diagnostic method of choice.We studied 12 patients undergoing this surgical method preoperatively and during the first, third, and sixth postoperative months. During these periods, patients were evaluated by ultrasound to determine the thickness of subcutaneous adipose tissue and muscle of the upper and lower limbs.Postoperatively, these patients showed a reduction in the thickness of the upper and lower extremities muscle and adipose tissue as compared to their preoperative values. There was a significant difference in the loss of muscle thickness in all postoperative months and in the thickness of fatty tissue in the sixth month after surgery, compared to the preoperative muscle and fatty tissue thickness.Ultrasound can be considered as the diagnostic method of choice when assessment of the fat and lean body mass is required in morbidly obese patients before and after bariatric surgery.
Keywords Muscle ultrasound
Fat mass
Obesity
Ultrasound
Lean mass
Gastroplasty
Bariatric surgery
Gastric bypass Roux-en-Y
Language English
Date 2012-04-01
Published in Obesity Surgery. New York: Springer, v. 22, n. 4, p. 597-601, 2012.
ISSN 0960-8923 (Sherpa/Romeo, impact factor)
Publisher Springer
Extent 597-601
Origin http://dx.doi.org/10.1007/s11695-011-0538-3
Access rights Closed access
Type Article
Web of Science ID WOS:000301481200014
URI http://repositorio.unifesp.br/handle/11600/34752

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