Title Page
Contents
국문초록 15
ABSTRACT 19
I. Background 23
II. Experiment 1: Effects of Cough on Cough Capacity, Pain on Coughing, Lung Function, and Respiratory Muscle Strength according to the Presence and Type of Splint during the Acute Recovery Phase after Lung Resection. 26
A. Introduction 26
B. Methods 28
1. Participants 28
2. Procedure 29
3. Types of splint 31
4. Outcome measurements 39
5. Data analysis 46
C. Results 47
1. General characteristics of the participants 47
2. Cough capacity and pain on coughing according to the presence and type of splint support 49
3. Lung function according to the presence and type of splint support 53
4. Respiratory muscle strength according to the presence and type of splint support 56
5. Pearson's correlation analysis of cough capacity, pain on coughing, lung function, and respiratory muscle strength according to the presence and type of splint support 59
6. Multiple regression analysis to predict cough capacity 68
D. Discussion 73
III. Experiment 2: The 1-Min Sit-To-Stand Test as an Alternative to the 6-Min Walk Test when Assessing the Exercise Capacity of Patients after Lung Resection during the Acute Recovery Phase 77
A. Introduction 77
B. Methods 80
1. Participants 80
2. Procedures 81
3. Outcome measurements 82
4. Data analysis 90
C. Results 91
1. General characteristics of the participants 91
2. Exercise capacities 93
3. Knee extension strength 95
4. Comparison between the 6-min walking distance and 1-min sit-to-stand repetitions and knee extension strength 97
5. Agreement between the 6-min walk test and 1-min sit-to-stand test results 99
6. Oxygen desaturation during the 6-min walk test and 1-min sit-to-stand test 101
D. Discussion 103
IV. Conclusions 107
REFERENCES 108
Table 1. General characteristics of the participants. 48
Table 2. Cough capacity and pain on coughing according to the presence and type of splint support. 50
Table 3. Lung function according to the presence and type of splint support. 54
Table 4. Respiratory muscle strength according to the presence and type of splint support. 57
Table 5. Pearson's correlation analysis of cough capacity, pain on coughing, lung function, and respiratory muscle strength without splint support (control condition). 61
Table 6. Pearson's correlation s analysis of cough capacity, pain on coughing, lung function, and respiratory muscle strength with splint support (pillow and towel condition). 63
Table 7. Pearson's correlation analysis of cough capacity, pain on coughing, lung function, and respiratory muscle strength in the pillow condition. 65
Table 8. Pearson's correlation analysis of cough capacity, pain on coughing, lung function, and respiratory muscle strength in the towel condition. 66
Table 9. Multiple regression analysis for PCF in the control condition. 70
Table 10. Multiple regression analysis for PCF in the pillow condition. 71
Table 11. Multiple regression analysis for PCF in the towel condition. 72
Table 12. General characteristics of the participants. 92
Table 13. Exercise capacities. 94
Table 14. Knee extension strength. 96
Table 15. Agreement between the 6-min walk test and 1-min sit-to-stand test results. 100
Table 16. Oxygen desaturation during the 6-min walk test and 1-min sit-to-stand test. 102
Fig. 1. Splint support. 30
Fig. 2. Pillow. 32
Fig. 3. Towel. 34
Fig. 4. CONFORMat system. 36
Fig. 5. CONFORMat system with 20-kg kettlebell. 37
Fig. 6. Pressure range. 38
Fig. 7. Peak flow meter. 40
Fig. 8. Spirometer. 43
Fig. 9. Respiratory pressure meter. 45
Fig. 10. Peak cough flow. 51
Fig. 11. Visual analogue scale. 52
Fig. 12. Forced vital capacity and forced expiratory volume in one second. 55
Fig. 13. Maximum inspiratory pressure and maximum expiratory pressure. 58
Fig. 14. Correlation between peak cough flow and maximum expiratory pressure without splint support. 62
Fig. 15. Correlation between peak cough flow and maximum expiratory pressure with splint support. 64
Fig. 16. Correlation between peak cough flow and maximum expiratory pressure according to type of splint support. 67
Fig. 17. 6-min walk test. 83
Fig. 18. Knee extension strength test. 85
Fig. 19. Handheld dynamometer. 86
Fig. 20. 1-min sit-to-stand test. 88
Fig. 21. Comparison of between the 6-min walking distance and 1-min sit-to-stand test repetitions and knee extension strength. 98