Analysis of the influence of respiratory training equipment on pulmonary function and compliance in patients with chronic obstructive pulmonary disease

doi:10.3877/cma.j.issn.1674-6902.2025.04.014

Abstract

Abstract:

Objective

To analyze the effect of a voice-prompted respiratory training device on lung function and training compliance in patients with chronic obstructive pulmonary disease (COPD).

Methods

A total of 126 COPD patients admitted to our hospital from February 2022 to October 2024 were selected and randomly divided into a control group 64 cases and an observation group 62 cases. The control group received phlegm-reducing, anti-asthmatic, and anti-infective treatments, while the observation group additionally used the voice-prompted respiratory training device. Lung function parameters, including forced vital capacity (FVC), forced expiratory volume in the first second as a percentage of predicted value (FEV₁%), peak expiratory flow (PEF), maximum mid-expiratory flow (MMEF), arterial blood oxygen partial pressure (PaO₂), arterial carbon dioxide partial pressure (PaCO₂), oxygen saturation (SaO₂), and the number of completed respiratory training sessions, were compared between the two groups before and after treatment.

Results

There were no significant differences in FVC, FEV₁%, PEF, or MMEF between the two groups before treatment (P>0.05). After treatment, the observation group exhibited further improvements in FVC (3.05±0.31) L, FEV₁% (73.12±7.73) %, PEF (4.55±0.35) L/s, and MMEF (1.28±0.23) L/s, surpassing the control group FVC (2.36±0.32 )L, FEV₁%(68.82±7.46)%, PEF(4.39±0.33) L/s, MMEF(1.18±0.22) L/s (P<0.05). After treatment, the observation group demonstrated significantly higher PaO₂ (72.47±7.50 )mmHg and SaO₂ (92.40±2.53)% and lower PaCO₂ (53.05 ± 6.03 )mmHg than the control groupPaO₂ ( 65.70± 6.32) mmHg, SaO₂( 90.47±3.98)%, PaCO₂(61.56±6.19) mmHg (P<0.01). Compliance remained higher in the observation group 59 cases (95.16%) compared to the control group 53 cases(82.82%) after treatment(P<0.05).

Conclusion

The voice-prompted respiratory training device enhances compliance with pulmonary rehabilitation training in AECOPD patients and improves lung function and blood gas analysis parameters.

Key words: Chronic obstructive pulmonary disease, Breathing training instrument, Pulmonary rehabilitation training, Lung function, Compliance

Zengbam Ding, Ke Yang, Weizheng Shuai, ting Chen, Panpan Li, Jin Ma, Wei Song, Ping Wang, Qian Wang, Huan Liu. Analysis of the influence of respiratory training equipment on pulmonary function and compliance in patients with chronic obstructive pulmonary disease[J]. Chinese Journal of Lung Diseases(Electronic Edition), 2025, 18(04): 575-579.

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References 34

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组别	例数	时相	FVC(L)	FEV₁(%)	PEF(L/s)	MMEF(L/s)
观察组	62	治疗前	2.10±0.35	53.23±5.86	4.19±0.41	1.06±0.19
对照组	64		2.01±0.30	54.68±5.99	4.11±0.42	1.01±0.23
t值			1.53	1.37	1.04	1.30
P值			0.13	0.17	0.30	0.20
观察组	62	治疗后	3.05±0.31	73.12±7.73	4.55±0.35	1.28±0.23
对照组	64		2.36±0.32	64.82±7.46	4.39±0.33	1.18±0.22
t值			12.36	6.14	2.57	2.49
P值			0.00	0.00	0.01	0.01

组别	例数	时相	FVC(L)	FEV₁(%)	PEF(L/s)	MMEF(L/s)
观察组	62	治疗前	2.10±0.35	53.23±5.86	4.19±0.41	1.06±0.19
对照组	64		2.01±0.30	54.68±5.99	4.11±0.42	1.01±0.23
t值			1.53	1.37	1.04	1.30
P值			0.13	0.17	0.30	0.20
观察组	62	治疗后	3.05±0.31	73.12±7.73	4.55±0.35	1.28±0.23
对照组	64		2.36±0.32	64.82±7.46	4.39±0.33	1.18±0.22
t值			12.36	6.14	2.57	2.49
P值			0.00	0.00	0.01	0.01

组别	例数	时相	PaO₂(mmHg)	PaCO₂(mmHg)	SaO₂(%)
观察组	62	治疗前	57.72±6.94	71.47±7.16	87.03±3.79
对照组	64		55.92±7.01	72.56±6.77	88.08±3.21
t值			1.45	0.88	1.68
P值			0.15	0.38	0.10
观察组	62	治疗后	72.47±7.50	53.05±6.03	92.40±2.53
对照组	64		65.70±6.32	61.56±6.19	90.47±2.98
t值			5.48	7.81	4.94
P值			0.00	0.00	0.00

组别	例数	时相	PaO₂(mmHg)	PaCO₂(mmHg)	SaO₂(%)
观察组	62	治疗前	57.72±6.94	71.47±7.16	87.03±3.79
对照组	64		55.92±7.01	72.56±6.77	88.08±3.21
t值			1.45	0.88	1.68
P值			0.15	0.38	0.10
观察组	62	治疗后	72.47±7.50	53.05±6.03	92.40±2.53
对照组	64		65.70±6.32	61.56±6.19	90.47±2.98
t值			5.48	7.81	4.94
P值			0.00	0.00	0.00

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