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Low frequency fatigue

Hee Sun Kim, Hyun Kyung Kim, Kyung Ok Kang, Yi Sik Kim
AIM: This study aimed to identify health-related quality of life (HRQoL) and its determinants in outpatients with acute coronary syndrome (ACS) after percutaneous coronary intervention. METHODS: A cross-sectional design was used and a total of 124 Korean participants was enrolled. The HRQoL (physical limitations, treatment satisfaction, and disease perception), symptom experience (frequency, severity, and distress), physiological (left ventricular ejection fraction and lipids), psychological (depression and anxiety), and situational (social support) factors were measured, selected on the basis of the theory of unpleasant symptoms...
March 7, 2018: Japan Journal of Nursing Science: JJNS
Matthew P Herring, Derek C Monroe, Christopher E Kline, Patrick J O'Connor, Ciaran MacDonncha
Physical activity (PA) can improve sleep quality, low energy, and fatigue. Though poor sleep quality may induce feelings of low energy and fatigue, the potential moderating effect of sleep quality on associations between PA and feelings of energy and fatigue among adolescents is unknown. Thus, this study examined the moderating effect of sleep quality on associations between PA frequency and feelings of energy and fatigue among adolescents in Ireland. Adolescents (N = 481; 281 males, 200 females) aged 15...
March 5, 2018: European Child & Adolescent Psychiatry
Robert Knoerl, Zach Chornoby, Ellen M L Smith
Patients undergoing treatment for cancer commonly experience symptoms such as sleep disturbance, pain, anxiety, depression, and low energy/fatigue (SPADE), subsequently altering physical function and complicating effective symptom management. However, little is known about the frequency, severity, and clustering of SPADE symptoms in individuals with chronic painful chemotherapy-induced peripheral neuropathy (CIPN). The purpose of this cross-sectional, secondary analysis was to describe the frequency, severity, and clustering of SPADE symptoms and their association with physical function in individuals with chronic painful CIPN...
March 1, 2018: Pain Management Nursing: Official Journal of the American Society of Pain Management Nurses
C S Kampshoff, J M van Dongen, W van Mechelen, G Schep, A Vreugdenhil, J W R Twisk, J E Bosmans, J Brug, M J M Chinapaw, Laurien M Buffart
PURPOSE: This study aimed to evaluate the long-term effectiveness and cost-effectiveness of high intensity (HI) versus low-to-moderate intensity (LMI) exercise on physical fitness, fatigue, and health-related quality of life (HRQoL) in cancer survivors. METHODS: Two hundred seventy-seven cancer survivors participated in the Resistance and Endurance exercise After ChemoTherapy (REACT) study and were randomized to 12 weeks of HI (n = 139) or LMI exercise (n = 138) that had similar exercise types, durations, and frequencies, but different intensities...
March 1, 2018: Journal of Cancer Survivorship: Research and Practice
Patrick Welsch, Nurcan Üçeyler, Petra Klose, Brian Walitt, Winfried Häuser
BACKGROUND: Fibromyalgia is a clinically defined chronic condition of unknown etiology characterized by chronic widespread pain that often co-exists with sleep disturbances, cognitive dysfunction and fatigue. People with fibromyalgia often report high disability levels and poor quality of life. Drug therapy, for example, with serotonin and noradrenaline reuptake inhibitors (SNRIs), focuses on reducing key symptoms and improving quality of life. This review updates and extends the 2013 version of this systematic review...
February 28, 2018: Cochrane Database of Systematic Reviews
Sawsan O Khoja, Yasser El-Miedany, Archana P Iyer, Sami M Bahlas, Khadijah S Balamash, Mohamed F Elshal
BACKGROUND: The aim of this study is to evaluate the prevalence of vitamin-D insufficiency and vitamin-D receptor (VDR) polymorphisms in rheumatoid arthritis (RA) patients and its association with disease activity and patient reported outcomes (PROs). METHODS: Eighty-two individuals were included in a cross-sectional study (41 RA patients, 41 controls). Prior to assessment, each patient completed a PRO questionnaire. Serum vitamin-D levels and genotyping for VDR were assessed...
January 1, 2018: Clinical Laboratory
Paul Crawford, Ethan E Zimmerman
Tremor is an involuntary, rhythmic, oscillatory movement of a body part. It is the most common movement disorder encountered in primary care. The diagnosis of tremor is based on clinical information obtained from the history and physical examination. The most common tremors in patients presenting to primary care physicians are enhanced physiologic tremor, essential tremor, and parkinsonian tremor. All persons have low-amplitude, high-frequency physiologic tremors at rest and during action that are not reported as symptomatic, but can be enhanced by anxiety, medication use, caffeine intake, or fatigue...
February 1, 2018: American Family Physician
E H Pieter van Dijkhuizen, Tsipi Egert, Yona Egert, Wendy Costello, Casper Schoemaker, Marlous Fernhout, Mirjam Kepic, Alberto Martini, Silvia Scala, Ingrid Rotstein-Grein, Sebastiaan J Vastert, Nico M Wulffraat
BACKGROUND: To assess the views of juvenile idiopathic arthritis (JIA) patients and their parents on the care and treatment they receive in referral pediatric rheumatology centers throughout Europe. METHODS: In a collaboration between physicians and patient associations, a questionnaire was developed, covering various domains of JIA care, including demographics, diagnosis, referrals to various health care professionals, access to pain and fatigue management and support groups, information they received about the disease and awareness of and participation in research...
February 8, 2018: Pediatric Rheumatology Online Journal
Mia Forslin, Katharina Fink, Ulf Hammar, Lena von Koch, Sverker Johansson
OBJECTIVE: To identify predictors for employment status after 10 years in a cohort of people with multiple sclerosis (MS), with the aim to increase knowledge concerning factors present at an early stage important for working life and work-life balance. DESIGN: A 10-year longitudinal observational cohort study. SETTING: People with a definite MS diagnosis, who at inclusion were outpatients at an MS Centre at a university hospital in Stockholm, Sweden...
January 30, 2018: Archives of Physical Medicine and Rehabilitation
Ian M Lahart, George S Metsios, Alan M Nevill, Amtul R Carmichael
BACKGROUND: Women with a diagnosis of breast cancer may experience short- and long-term disease and treatment-related adverse physiological and psychosocial outcomes. These outcomes can negatively impact prognosis, health-related quality of life (HRQoL), and psychosocial and physical function. Physical activity may help to improve prognosis and may alleviate the adverse effects of adjuvant therapy. OBJECTIVES: To assess effects of physical activity interventions after adjuvant therapy for women with breast cancer...
January 29, 2018: Cochrane Database of Systematic Reviews
S N Rogers, F Thomson, D Lowe
Introduction The National Institute for Health and Care Excellence guidance Improving Supportive and Palliative Care for Adults with Cancer (2004) and the Cancer Reform Strategy (2007) support the premise that assessment and discussion of patients' needs for physical, social, psychological, and spiritual wellbeing should be undertaken during oncology follow-up. We report the use of the Patient Concerns Inventory in a routine head and neck cancer clinic setting over a seven-year period, summarising the number of available clinics, the number of patients completing the inventory within a clinic, the range of clinical characteristics and the concerns they wanted to discuss...
January 24, 2018: Annals of the Royal College of Surgeons of England
Paulo G Gandra, Amy A Shiah, Leonardo Nogueira, Michael C Hogan
Skeletal muscle can develop a prolonged low frequency-stimulation force depression (PLFFD) following fatigue-inducing contractions. Increased levels of reactive oxygen species (ROS) have been implicated in the development of PLFFD. During exercise the skeletal muscle intracellular PO2 decreases to relatively low levels, and can be further decreased when there is an impairment in O2 diffusion or availability, such as in certain chronic diseases and during exercise at high altitude. Since ROS generation by mitochondria is elevated at very low PO2 in cells, we tested the hypothesis that treatment of muscle fibres with a mitochondrial-targeted antioxidant at a very low, near hypoxic PO2 , can attenuate PLFFD...
January 15, 2018: Journal of Physiology
Kamonwan Tangvoraphonkchai, Andrew Davenport
Hemodialysis patients (HD) commonly report fatigue. Muscle wasting (sarcopenia) and extracellular water (ECW) excess have been reported to be associated with fatigue in other conditions. We wished to determine whether muscle loss and ECW excess were associated with fatigue in HD patients. Patients completed the Multidimensional Fatigue Inventory (MFI), Beck Depression Inventory-II (BDI-II), Patient Health Questionnaires (PHQ-9) and recorded their post-dialysis recovery time. Sessional dialysis data were recorded along with pre- and post-dialysis multi-frequency bioimpedance assessments (MFBIA)...
January 10, 2018: Therapeutic Apheresis and Dialysis
Akira Nagamori, Christopher M Laine, Francisco J Valero-Cuevas
Involuntary force variability below 15 Hz arises from, and is influenced by, many factors including descending neural drive, proprioceptive feedback, and mechanical properties of muscles and tendons. However, their potential interactions that give rise to the well-structured spectrum of involuntary force variability are not well understood due to a lack of experimental techniques. Here, we investigated the generation, modulation, and interactions among different sources of force variability using a physiologically-grounded closed-loop simulation of an afferented muscle model...
January 8, 2018: PLoS Computational Biology
Marco Aurélio Vaz, Viviane Bortoluzzi Frasson
OBJECTIVE: To compare the effectiveness of low-frequency pulsed current versus kilohertz-frequency alternating current in terms of evoked-force, discomfort level, current intensity, and muscle fatigability, to discuss the physiological mechanisms of each Neuromuscular Electrical Stimulation type, and to determine if kilohertz-frequency alternating current is better than low-frequency pulsed current for clinical treatment. DATA SOURCES: Manuscripts were obtained from PUBMED, SCOPUS, CENTRAL, CINAHL and SPORTSDISCUS databases using the terms "Russian current" OR "Kilohertz current" OR "Alternating current" OR "Pulsed current" OR "Aussie current" AND torque OR discomfort OR fatigue OR "current intensity", and through citation tracking up to July 2017...
December 13, 2017: Archives of Physical Medicine and Rehabilitation
Maija Orjatsalo, Anniina Alakuijala, Markku Partinen
STUDY OBJECTIVES: Autonomic nervous system (ANS) dysfunction is common in chronic fatigue syndrome (CFS). One of the main complaints in CFS is unrefreshing sleep. We aimed to study the nocturnal cardiac ANS in different sleep stages in patients filling the 2015 Institute of Medicine CFS diagnostic criteria. METHODS: In this case series study, the nocturnal heart rate variability and blood pressure (BP) variables in polysomnography were studied in groups of patients with CFS (n = 8) and tired controls (n = 8) aged 16-49 years...
December 13, 2017: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
Ana Luiza C Martimbianco, Maria Regina Torloni, Brenda Ng Andriolo, Gustavo Jm Porfírio, Rachel Riera
BACKGROUND: Patellofemoral pain syndrome, now generally referred to as patellofemoral pain (PFP), is one of the most common orthopaedic disorders, characterised by pain in the anterior or retropatellar knee region. Neuromuscular electrical stimulation (NMES) has been proposed generally as a complementary treatment, associated with other interventions such as exercise, or as a single treatment to increase muscle force, reduce knee pain, and improve function. OBJECTIVES: To assess the effects (benefits and harms) of neuromuscular electrical stimulation for people with patellofemoral pain...
December 12, 2017: Cochrane Database of Systematic Reviews
Sarah Poole, Nigam Shah
Alarm fatigue, a condition in which clinical staff become desensitized to alarms due to the high frequency of unnecessary alarms, is a major patient safety concern. Alarm fatigue is particularly prevalent in the pediatric setting, due to the high level of variation in vital signs with patient age. Existing studies have shown that the current default pediatric vital sign alarm thresholds are inappropriate, and lead to a larger than necessary alarm load. This study leverages a large database containing over 190 patient-years of heart rate data to accurately identify the 1st and 99th percentiles of an individual's heart rate on their first day of vital sign monitoring...
2018: Pacific Symposium on Biocomputing
Rafal Radecki, Zhongqing Su, Li Cheng, Pawel Packo, Wieslaw J Staszewski
Modelling and numerical simulation - based on the framework of the Local Interaction Simulation Approach - was developed to have more insight into nonlinear attributes of guided ultrasonic waves propagating in fatigued metallic materials. Various sources of nonlinearity were considered in this modelling work, with particular emphases on higher-order harmonic generation and accumulation of nonlinearity along wave propagation. The material hyper-elasticity was considered in the model using an energy density approach based on the Landau-Lifshitz formulation; and the "breathing" motion pattern of a fatigue crack in the material was interrogated using a spring model...
March 2018: Ultrasonics
Margaret H Y Ma, Fowzia Ibrahim, Gabrielle H Kingsley, Andrew Cope, David L Scott
OBJECTIVES: Targeting remission in rheumatoid arthritis (RA) improves health-related quality of life (HRQoL) and disability. However, the impacts of different remission criteria and durations and their frequencies are uncertain. Our observational study assessed these factors. METHODS: We recruited RA patients with disease durations <10 years, stable suppressive therapies and stable disease activity scores for 28 joints using ESR (DAS28-ESR) ≤3.2. Intermittent and sustained remisisons were classified using DAS28ESR, simple disease activity index (SDAI) and ACR/EULAR Boolean criteria...
October 23, 2017: Clinical and Experimental Rheumatology
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