AI Article Synopsis
- A heart failure patient underwent tests for exercise capacity and sleep issues both a year prior to and after heart transplantation (HTx), revealing persistent severe Cheyne-Stokes respiration (CSR) and central sleep apnea (CSA).
- The study noted that while medication and improved blood flow did not eliminate the central causes of CSR and CSA, the problem of periodic breathing during exercise improved.
- This suggests a complex interaction between exercise capacity and sleep breathing patterns, indicating that CSR and periodic breathing might not share the same root cause in this patient's situation.
Article Abstract
We present a case report of a heart failure patient who underwent cardiopulmonary exercise testing and sleep screening 12 months before and after heart transplantation (HTx). Severe Cheyne-Stokes respiration (CSR) with central sleep apnoea (CSA) was identified either before and after HTx, while periodic breathing during exercise vanished. We suggest that optimization of hemodynamics and medical therapy (low dose of diuretic) did not withdraw the central mechanisms underlying the diathesis for CSR-CSA. While periodic breathing during exercise reversal may support a closer link with an exertional central hemodynamic. This observation indirectly neglects the possible unifying mechanistic background of CSR and periodic breathing, during exercise, in this setting.
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| http://dx.doi.org/10.4081/monaldi.2021.1757 | DOI Listing |
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