| Ji Won Hong | 3 Articles |
Cardiopulmonary rehabilitation
Objective
To compare the predicted and actual maximal heart rate (HRmax) values in the cardiopulmonary exercise test (CPET). Methods We retrospectively investigated 1,060 patients who underwent a CPET between January 2016 and April 2020 at our institution’s cardiopulmonary rehabilitation center. The following patients were included: those aged >20 years, those tested with a treadmill, and those who underwent symptom-limited maximum exercise testing— reaching ≥85% of the predicted HRmax (62% if taking beta-blockers) and highest respiratory exchange ratio ≥1.1. Ultimately, 827 patients were included in this study. Data on diagnosis, history of taking beta-blockers, age, body mass index (BMI), and CPET parameters were collected. Subgroup analysis was performed according to age, betablockers, BMI (low <18.5 kg/m2, normal, and high ≥25 kg/m2), and risk classification. Results There was a significant difference between the actual HRmax and the predicted value (p<0.001). Betablocker administration resulted in a significant difference in the actual HRmax (p<0.001). There were significant differences in the moderate-to-high-risk and low-risk groups and the normal BMI and high BMI groups (p<0.001). There was no significant difference between the elderly and younger groups. We suggest new formulae for HRmax of cardiopulmonary patients: estimated HRmax=183-0.76×age (the beta-blocker group) and etimated HRmax=210-0.91×age (the non-beta-blocker group). Conclusion Age-predicted HRmax was significantly different from the actual HRmax of patients with cardiopulmonary disease, especially in the beta-blocker group. For participants with high BMI and moderate-tosevere risk, the actual HRmax was significantly lower than the predicted HRmax. Citations Citations to this article as recorded by
Lymphedema, a chronic disease that lowers patients’ quality of life, is categorized as primary or secondary. Secondary lymphedema can be improved by treating the underlying cause. However, in many cases, efforts are not made to identify the primary cause of lymphedema and treatment is targeted at the edema itself, resulting in misdiagnosis. Here, we describe the case of a 61-year-old man with right leg edema of unknown cause that had persisted for 3 years. Intestinal tuberculosis was confirmed during a re-evaluation of the cause, and his symptoms improved after anti-tuberculous treatment. This improvement was assessed qualitatively by indocyanine green lymphography before and after treatment, as well as by observation of the clinical symptoms. Lower extremity lymphedema caused by intestinal tuberculosis is extremely rare, and this case reveals the importance of continuing to identify the causes of resistant pathologies.
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Objective
To investigate difference in bilateral diaphragm movement of patients with tracheal aspiration according to post stroke residue severity and determine correlations of Penetration-Aspiration Scale (PAS), residue scale, and bilateral diaphragm movement. Methods A total of 47 patients diagnosed with hemiplegic stroke were enrolled in this study. PAS, severity of valleculae, and pyriform sinus retention during videofluoroscopic swallowing study (VFSS) were assessed. Bilateral fluoroscopic diaphragm movements during spontaneous breathing and forced breathing were measured. Results Patients with tracheal aspiration (PAS≥6) had significantly (p=0.035) lower ipsilateral diaphragm movement during spontaneous breathing. Post-swallow residue severity showed statistically significant (p=0.028) difference in patients with ipsilateral diaphragm movement during forced breathing. In linear regression analysis, PAS showed weak correlations with ipsilateral spontaneous diaphragm movement (r=0.397, p=0.006), ipsilateral forced diaphragm movement (r=0.384, p=0.008), and contralateral forced diaphragm movement (r=0.323, p=0.027). Weak correlation was also observed between post swallow residue severity and ipsilateral diaphragm movement during spontaneous breathing (r=0.331, p=0.023) and forced breathing (r=0.343, p=0.018). Conclusion We confirmed the relationship between swallowing function and bilateral diaphragm movement in this study. The severity of dysphagia after hemiplegic stroke was correlated with bilateral diaphragm movement. Further longitudinal studies are needed to assess the effect of breathing exercise on post-stroke dysphagia. Citations Citations to this article as recorded by
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