Abstract

Purpose: To study the effect of long-term respiratory muscles trainings (RMT) in patients with HF and chronic obstructive pulmonary disease (COPD) on the frequency of pneumonia and heart faailure progression. Methods: 73 patients 63,5±3,7 yrs old with NYHA III-IV HF and COPD were randomized to either an exercise training group (EG)(37pts) or to a control group. The CG patients had standard CR according to the national guidelines. The EG participated additionally in a RMT with gradual increase of inspire and expire resistance. Trainings were held for 20-30 min 1-2 times every day for 12 months. VO2 peak, maximal inspiratory mouth pressure (PImax) and the frequency of hospitalizations and lethal events were evaluated at baseline and every 12 weeks during 1 year. Results: RMT as a part of comprehensive rehabilitation increased physical capacity (VOat baseline 9.06 ±2,35 ml/kg/min in EG vs 9.11±4,04 ml/kg/min in CG, p>0,05; 12,87±2,75 ml/kg/min in EG vs 7,69±2,16 ml/kg/min in CG, p Conclusion: RMT in patients with NYHA class III-IV HF and COPD increase physical capacity, enhanced ventilation and reduce frequency of pneumonia and related HF progression.

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