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Graded Comprehensive Cardiopulmonary Exercise Testing in the Evaluation of Dyspnea Unexplained by Routine Evaluation – 15
Finally, 30 percent of our patients were believed to have either no disease or a psychogenic cause for symptoms on the basis of CPET results and responded to simple reassurance, psychotropic medication, or psychotherapy. As routine bronchoprovocation was not performed, we cannot exclude a self-limited episode of airway hyperreactivity in …
Graded Comprehensive Cardiopulmonary Exercise Testing in the Evaluation of Dyspnea Unexplained by Routine Evaluation – 14
Similarly, the normal subjects of Saltin et al did not experience a significant change in weight during 20 days of imposed bed rest while maximal Vo2 decreased a mean of 28 percent. During training maximal Vo2 increased with little change in weight. As such, poor conditioning may be seen without …
Graded Comprehensive Cardiopulmonary Exercise Testing in the Evaluation of Dyspnea Unexplained by Routine Evaluation – 13
As can be seen in Table 3, most of these patients were deconditioned and their conditions improved (Table 5) after an appropriate exercise program based on the achieved anaerobic threshold. There was no significant difference in gas exchange parameters between these patients and those with cardiac disease (Table 4), confirming …
Graded Comprehensive Cardiopulmonary Exercise Testing in the Evaluation of Dyspnea Unexplained by Routine Evaluation – 12
Similarly, the additional measurement of changes in P(A-a)02 and physiologic dead space during exercise significantly increases the sensitivity of the CPET to detect occult ILD and possibly pulmonary vascular disease. In our experience a CPET, as described above, has an obvious role in the early diagnostic evaluation of this patient …
Graded Comprehensive Cardiopulmonary Exercise Testing in the Evaluation of Dyspnea Unexplained by Routine Evaluation – 11
In many ways, our data support those presented by both of these groups. We concur that a cause of dyspnea can be confidently identified in the majority of patients (>75 percent in our series). We similarly found that psychogenic disorders are frequent but also believe that deconditioning and/or obesity are …