Background: Research has demonstrated concussion likely causes autonomic dysfunction leading to exercise intolerance.
Objective: To measure improvement in exercise intolerance due to suspected dysautonomia associated with protracted concussion recovery, using objective measurements on a Buffalo Concussion Treadmill Test (BCTT) following participation in a prescribed exercise program.
Methods: This is a retrospective cohort study of 101 patient charts post-concussion. Exercise intolerance was assessed using a BCTT to identify suspected dysautonomia and an exercise prescription was provided using guidelines for treating concussion-associated exercise intolerance. Patients without symptom improvement and/or inability to achieve 80-85% of age-expected maximum heart rate (HR) without symptom exacerbation received a repeat BCTT.
Results: Twelve patient charts met inclusion criteria and were included in data analysis. There were significant improvements from pre-intervention to post-intervention testing in: maximum BCTT stage mean scores (p = .02); maximum HR mean scores (p = .01); prescription HR (RxHR) mean scores (p = .01); and HR delta (HR ) mean scores (p = .00).
Conclusions: Maximum stage, HR threshold, RxHR, and newly identified HR delta (HR ) are potential objective measurements of progress for dysautonomia treatment post-concussion. Future studies are indicated to create a tailored protocol in the management of protracted concussion-associated dysautonomia.
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http://dx.doi.org/10.1080/09593985.2022.2121949 | DOI Listing |
Curr Cardiol Rev
January 2025
Shri Venkateshwara University, Gajraula, Uttar Pradesh, India.
Iron deficiency anemia (IDA) is highly prevalent among individuals with heart failure (HF), impacting 40-70% of patients and serving as a significant prognostic indicator. Linked with oxidative metabolism and myocardial cell damage, IDA exacerbates HF symptoms, including reduced exercise capacity, diminished quality of life, and heightened cardiovascular morbidity. This review explores the diagnosis, treatment, clinical outcomes, prognostic indicators, and forthcoming challenges associated with IDA in HF patients.
View Article and Find Full Text PDFNutrients
December 2024
ImFINE Research Group, Department of Health and Human Performance, Universidad Politécnica de Madrid, 28040 Madrid, Spain.
An optimal physical condition has beneficial effects in adults at risk of chronic diseases. However, research data on how adverse reactions to food (ARFSs) are linked to physical performance are lacking. The aims of this study were (a) to investigate the prevalence of ARFS according to age; (b) to analyze physical performance level according to the type of ARFS; and (c) to determine the probability of having a positive ARFS according to physical performance levels.
View Article and Find Full Text PDFBiomolecules
November 2024
Departments of Pediatrics, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul 06229, Republic of Korea.
Mitochondrial encephalopathy, lactic acidosis, and stroke-like episodes (MELAS) syndrome is a complex mitochondrial disorder characterized by a wide range of systemic manifestations. Key clinical features include recurrent stroke-like episodes, seizures, lactic acidosis, muscle weakness, exercise intolerance, sensorineural hearing loss, diabetes, and progressive neurological decline. MELAS is most commonly associated with mutations in mitochondrial DNA, particularly the m.
View Article and Find Full Text PDFCureus
December 2024
Internal Medicine, Meharry Medical College, Nashville, USA.
Diabetic cardiac autonomic neuropathy (CAN) is caused by damage to the autonomic nerve fibers that innervate the heart and blood vessels, leading to abnormalities in heart rate control and vascular dynamics. CAN encompasses symptoms such as exercise intolerance, orthostatic hypotension, cardiac denervation syndrome, and nocturnal hypertension. Neurogenic orthostatic hypotension (nOH), resulting from severe diabetic CAN, can cause symptomatic orthostatic hypotension.
View Article and Find Full Text PDFEur Heart J Case Rep
January 2025
Department of Cardiac, Thoracic and Vascular Sciences and Public Health, University of Padova, Via Giustiniani 2, 35128 Padova, Italy.
Background: Left bundle branch block (LBBB) is a rare conduction disorder in athletes associated with ventricular dyssynchrony, which can lead to left ventricular systolic dysfunction and exercise intolerance. Inappropriate sinus tachycardia (IST) is characterized by an excessive heart rate (HR) that is not related to physiological needs, often resulting in reduced exercise capacity. Managing these conditions in athletes can be challenging, as standard treatments like beta-blockers and ivabradine, while effective in controlling HR, are described to be associated with a reduction in maximal exercise performance.
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