Tanzania
Research Article
The Incremental Shuttle Walk Testing (ISWT) in Patients with Pulmonary Hypertension (PH): Assessment of Safety According to W.H.O. Functional Class and Etiology
Author(s): Michael Leonard Scharf and Sidharth BaggaMichael Leonard Scharf and Sidharth Bagga
Purpose: The 6 minute walk test used to evaluate patients with PH has many limitations. The ISWT, an automated progressively incremental and more physically demanding exercise test, has been useful to assess exercise tolerance in patients with severe COPD. Its application in patients with PH and particularly, pulmonary arterial hypertension (PAH) raises the concern of eliciting cardiovascular complications during testing. We wished to evaluate the safety of ISWT in patients with PH.
Methods: A retrospective review was performed on patients with RHC-confirmed PH who had undergone outpatient ISWT, predominantly those with WHO FC II and III. Eighty-four ISWTs from 46 patients were assessed according to WHO functional class (FC), echocardiogram, 6 distances walked, pulse oximetry, fatigue, BORG dyspnea scores, blood pressure, heart rate and adve.. Read More»
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