ArticleJournal of thoracic disease2024
The efficacy and safety of herbal formulas for adults with pulmonary hypertension combined with chronic obstructive pulmonary disease: a systematic review and meta-analysis involving 1,865 participants.
Article in Journal of thoracic disease, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers, 1 of them a synthesis that pooled it.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
3 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Pooled it
- Knowledge, attitudes, and practices regarding traditional Chinese medicine therapies among COPD patients: a cross-sectional study.Frontiers in public health · 2026Article
- The Role of Computed Tomography and Artificial Intelligence in Evaluating the Comorbidities of Chronic Obstructive Pulmonary Disease: A One-Stop CT Scanning for Lung Cancer Screening.International journal of chronic obstructive pulmonary disease · 2025Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background: There is currently no effective treatment for the majority of patients with chronic obstructive pulmonary disease combined with pulmonary hypertension (COPD-PH). Numerous clinical trials have demonstrated the use of traditional Chinese medicine (TCM) herbal formulas in combination with routine western pharmacotherapy (WP) for the treatment of COPD-PH, with positive results. This meta-analysis was designed to evaluate the efficacy and safety of TCM herbal formulas in the treatment of COPD-PH. Methods: A systematic literature search was conducted using Web of Science, PubMed, Chinese National Knowledge Infrastructure (CNKI), WanFang, and Chinese Science and Technology Journal (VIP) from database inception until October 2023. The primary outcome was pulmonary artery pressure parameters, including pulmonary artery systolic pressure (PASP) and mean pulmonary artery pressure (mPAP). Secondary outcomes included pulmonary ventilation function parameters, such as forced expiratory volume in one second (FEV1) and the ratio of FEV1 to forced vital capacity (FEV1/FVC%), as well as functional capacity assessments measured by the six-minute walk distance (6MWD). Reviewer Manager software was used for both random-effects and fixed-effects meta-analyses. We registered the protocol for this study with the International Platform of Registered Systematic Review and Meta-analysis Protocols (INPLASY, registry number: INPLASY2022100041). Results: Twenty randomized control trials with a total of 1,865 patients were included in the meta-analysis. The results of our meta-analysis revealed that TCM herbal formulas in combination with basic WP significantly reduced pulmonary artery pressure in patients with COPD-PH, including PASP [mean difference (MD) =-4.50 mmHg, 95% confidence interval (CI): -6.04, -2.95] and mPAP (MD =-4.47 mmHg, 95% CI: -5.07, -3.88). Additionally, pulmonary ventilation function and 6MWD (MD =48.13 m, 95% CI: 39.92, 56.34) were also improved in COPD-PH patients. Pulmonary ventilation function was reflected by FEV1 (MD =0.83 L, 95% CI: 0.35, 1.30) and FEV1/FVC% (MD =4.76, 95% CI: 3.75, 5.77). A total of six studies reported adverse events in detail, and all claimed that no adverse events were observed in COPD-PH patients using TCM herbal formulas. Conclusions: The combination of TCM herbal formulas and basic WP might be more effective in improving the quality of life and exercise capacity of patients with COPD-PH than basic WP alone. However, the firm conclusions of our study were hampered by the low quality of the evidence.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.