Objectives: Anorexia nervosa (AN) is a complex disease that involves malnutrition and a profound depletion in muscle mass. The thickness of the adductor pollicis muscle (APM) has been proposed as a new anthropometric technique to estimate muscle mass, check early changes, and assess its evaluation. This study aimed to evaluate the accuracy and validity of the APM thickness in a cohort of malnourished patients with AN when checking local mass gain. The Doppler ultrasound maybe an affordable and useful method to discriminate all tissues around the APM area.
Methods: A prospective cohort study was conducted of 31 malnourished patients with AN who were admitted to the Regional Eating Disorders Unit for treatment, including re-alimentation. Anthropometric measurements were taken, including arm circumference, triceps skinfold thickness, arm muscle circumference, body mass index, and APM thickness of both hands. Simultaneously, a Doppler ultrasound was performed in the same area, measuring and discriminating fat, skin, and muscle tissues around the APM.
Results: Nutritional improvement is accompanied by fat, but not muscle gain in the hand in the adductor pollicis area of patients with AN. A Doppler ultrasound can accurately discriminate between tissues around the APM.
Conclusions: APM thickness reflects the addition of two different muscles plus fat and skin; therefore, this tool is not reliable to assess APM mass.
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http://dx.doi.org/10.1016/j.nut.2018.11.026 | DOI Listing |
Hand Surg Rehabil
January 2025
Aspetar Orthopedic and Sports Medicine Hospital, Doha, Qatar; Qatar University, College of Medicine, Dept of Health and Clinical Sciences, Doha, Qatar; Karolinska Institutet, Department of Clinical Science and Education, Stockholm, Sweden.
An ulnar nerve (UN) palsy is devastating for hand function, resulting in an intrinsic minus position or claw hand with a loss of pinch grip. Distal nerve transfers facilitate faster reinnervation of hand intrinsic muscles in cases of proximal ulnar nerve lesions. The traditional anterior interosseous nerve (AIN) to UN motor transfer is commonly used, however, this still leads to long reinnervation times for the distal intrinsic muscles, important for the thumb to index pinch grip.
View Article and Find Full Text PDFEur Geriatr Med
January 2025
Department of Integrated Health Sciences, Graduate School of Medicine, Nagoya University, Nagoya, Aichi, Japan.
Objective: The accuracy of determining gait independence using adductor pollicis muscle thickness (APMT) and skeletal muscle mass index (SMI) in community-dwelling older adults undergoing outpatient rehabilitation remains unclear. The purpose of this study was to compare the accuracy of determining gait independence using APMT and SMI in community-dwelling older adults undergoing outpatient rehabilitation.
Methods: This study included 98 older adults (mean age: 85.
Ultrasound Med Biol
January 2025
Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA. Electronic address:
Objective: Measurement of thenar muscle elasticity by ultrasound shear wave elastography (SWE) may be useful for the diagnosis and evaluation of carpal tunnel syndrome (CTS), but there is a paucity of information on SWE of the thenar muscles in patients with CTS. The purpose of this study was to investigate the elasticity of the thenar muscles in patients with CTS.
Methods: Twenty-two adult patients with a referral diagnosis of CTS (27 hands) and 20 healthy volunteers as a control (20 dominant hands) participated in this study.
Anesthesiol Res Pract
November 2024
Department of Anesthesiology, Graduate School of Medical Sciences, Kumamoto University Hospital, Kumamoto University, 1-1-1, Honjyo, Cyuoku, Kumamoto-City 860-8556, Kumamoto, Japan.
Remimazolam is a newly developed benzodiazepine. Early recovery from anesthesia because of its ultra-short acting effect and less hemodynamic side effects has been reported as the specific advantages of remimazolam. Therefore, the maintenance of anesthesia with propofol may be sometimes switched to remimazolam anesthesia maintenance during surgery because of the risk of delayed awakening and unstable hemodynamics.
View Article and Find Full Text PDFRev Sci Instrum
December 2024
Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hong Kong 999077, China.
In the post-anesthesia care unit, there is a high occurrence of residual neuromuscular blockade, which puts patients at risk of negative consequences such as hypoxia. Assessment based on the train-of-four ratio (TOFR) has been used to avoid residual neuromuscular blockade when the TOFR is greater than 0.9, measured at the adductor pollicis muscle (APM).
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