The effectiveness of additional long-term use of bottle-positive expiratory pressure in chronic obstructive pulmonary disease: A single-blind, randomized study

• Published in: Turkish journal of physical medicine and rehabilitation 2022-06, Vol.68 (2), p.195-204
• Main Authors: Keniş-Coşkun, Özge, Kocakaya, Derya, Kurt, Sefa, Fındık, Büşranur, Yağcı, İlker, Eryüksel, Emel
• Format: Article
• Language: eng ; tur
• Subjects: Breathing exercises; Lung diseases, Obstructive; Medical research; Medicine, Experimental; Original
• ISSN: 2587-1250; 1302-0234; 2587-0823; 2587-0823
• DOI: 10.5606/tftrd.2022.8239

Objectives: This study aimed to investigate the long-term use of bottle-positive expiratory pressure (PEP) in addition to breathing exercises as a home-based rehabilitation aid on exercise capacity, spirometric parameters, and quality of life in chronic obstructive pulmonary disease (COPD) patients. Patients and methods: From a total of 30 patients with stable moderate-to-severe COPD, 24 (22 males, 2 females; mean age: 62.4+7.2 years; range, 40 to 75 years) were included in the final study and randomized into two groups: the group that performed breath retaining techniques and the group that was instructed to use the bottle-PEP in addition to these techniques. Patients were evaluated with modified Medical Research Council scale, COPD assessment test (CAT), spirometry, St. George's Respiratory Questionnaire (SGRQ), and 6-min walk distance (6MWD) before, three months and six months after the initiation of the program. Results: In the bottle-PEP group, patients' mean 6MWD increased from 380.6[+ or -]67.6 to 444.1[+ or -]22.0 m (p=0.002), the mean CAT score decreased from 17.8[+ or -]36.8 to 12.9[+ or -]6.2 (p=0.03), and the mean SGRQ total score significantly decreased from 57.1[+ or -]23.1 to 47.6[+ or -]21.9 (p