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Xiang-Sheng-PoDi-Wan May Reduce the Risk of Pneumonia retain-->in Unilateral Vocal Fold Paralysis: A Nationwide
Shun-Ku Lin1, Seth H Dailey2, Ying-Ta Lai3
1Institute of Public Health, National Yang Ming Chiao Tung University, Taipei, Taiwan; Department of Chinese Medicine, Taipei City Hospital, Renai Branch, Taipei, Taiwan; General Education Center, University of Taipei, Taipei, Taiwan.
Background:
Pneumonia is a serious complication in patients with unilateral vocal fold paralysis (UVFP). Traditional Chinese medicine Xiang-Sheng-PoDi-Wan plays a role in promoting health and may reduce pneumonia rates in those with UVFP. The study aimed to evaluate Xiang-Sheng-PoDi-Wan treatment's effectiveness in preventing pneumonia hospitalization in patients with UVFP.
Methods:
We analyzed a cohort of two million participants from 2000 to 2018 from the National Health Insurance Research Database of Taiwan. We identified patients with UVFP (International Classification of Diseases, Ninth Revision, Clinical Modification code 478.32) and documented outpatient, inpatient, and treatment records from the first diagnosis until hospitalization due to pneumonia, death, or the end of the study. We calculated the incidence of pneumonia and compared the risk of pneumonia in patients receiving Xiang-Sheng-PoDi-Wan treatment or conventional treatment and tracked the use of speech therapy. We used the Cox proportional regression model to estimate the hazard ratio with a 95% confidence interval. Our corrected covariants include age, gender, degree of urbanization, insured amount, and disease comorbidity.
Result:
The use of Xiang-Sheng-PoDi-Wan was associated with a lower risk of hospitalization for pneumonia in UVFP patients, with an adjusted hazard ratio (aHR) of 0.40 (0.21-0.77). The combination of Xiang-Sheng-PoDi-Wan and speech therapy could further reduce the risk of pneumonia hospitalization (aHR = 0.25 [0.02-0.82]). UVFP patients with comorbidities such as respiratory cancer 0.34 (0.12-0.98) or diabetes (aHR = 0.30 [0.09-0.96]) had higher rates of pneumonia hospitalization.
Conclusion:
The results suggest that Xiang-Sheng-PoDi-Wan may play a role in UVFP patients to reduce the long-term risk of pneumonia.
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