{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,26]],"date-time":"2026-03-26T15:23:57Z","timestamp":1774538637459,"version":"3.50.1"},"reference-count":66,"publisher":"PeerJ","license":[{"start":{"date-parts":[[2025,6,16]],"date-time":"2025-06-16T00:00:00Z","timestamp":1750032000000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"The Scientifc Research Fund of Chengdu Fifth People\u2019s Hospital","award":["No. GSPZX2022-19"],"award-info":[{"award-number":["No. GSPZX2022-19"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"abstract":"<jats:sec>\n               <jats:title>Objective<\/jats:title>\n               <jats:p>Diabetic foot ulcers (DFUs) pose significant clinical challenges, with gas therapy emerging as a promising intervention. However, the comparative efficacy of various gas therapy modalities remains unclear. This study evaluates the effectiveness of different gas therapies, particularly hyperbaric oxygen therapy (HBOT), in improving DFU outcomes.<\/jats:p>\n            <\/jats:sec>\n            <jats:sec>\n               <jats:title>Methods<\/jats:title>\n               <jats:p>We searched three major databases, PubMed, Embase, and the Cochrane Library, for randomized controlled trials (RCTs) published up to March 3, 2024, assessing the efficacy of different gas therapies in managing DFUs. Primary outcomes included ulcer healing and area reduction rates, while secondary outcomes encompassed healing time, amputation rate, and adverse events. A network meta-analysis was performed using R, with surface under the cumulative ranking curve (SUCRA) values calculated to rank therapies.<\/jats:p>\n            <\/jats:sec>\n            <jats:sec>\n               <jats:title>Results<\/jats:title>\n               <jats:p>A total of 34 RCTs involving 2,268 DFUs were included in this analysis. HBOT ranked highest for the healing rate (SUCRA = 0.8 14) and area reduction rate (SUCRA = 0.730) but also had a higher amputation rate (SUCRA = 0.621). Except for carbon dioxide therapy, HBOT demonstrated significantly greater healing rates than standard of care (SOC) (mean difference (MD) = \u22122.71, 95% confidence interval (CI) [\u22124.85 to \u22121.34]) and topical oxygen therapy (MD = \u22122.03, 95% CI [\u22124.50 to \u22120.32]), while pairwise comparisons among other gaseous therapies were non-significant (<jats:italic>P<\/jats:italic>\u00a0&gt;\u00a00.05). For wound area reduction, HBOT was superior to SOC (MD = 0.39, 95% CI [0.11\u20130.67]), whereas differences among other gaseous therapies remained non-significant (<jats:italic>P<\/jats:italic>\u00a0&gt;\u00a00.05). There was substantial heterogeneity in the area reduction rate in net work analysis (<jats:italic>I<\/jats:italic><jats:sup>2<\/jats:sup>\u00a0= 87%). Subgroup analyses revealed greater area reduction in DFUs treated with HBOT when the treatment duration exceeded six weeks.<\/jats:p>\n            <\/jats:sec>\n            <jats:sec>\n               <jats:title>Conclusions<\/jats:title>\n               <jats:p>HBOT improves ulcer healing and area reduction rates in DFU patients; however, its association with higher amputation rates warrants cautious use, considering resource availability. Given the limited number and quality of included studies, further high-quality research is needed to validate these findings.<\/jats:p>\n            <\/jats:sec>","DOI":"10.7717\/peerj.19571","type":"journal-article","created":{"date-parts":[[2025,6,16]],"date-time":"2025-06-16T08:42:47Z","timestamp":1750063367000},"page":"e19571","source":"Crossref","is-referenced-by-count":2,"title":["Comparative efficacy of gas therapy for diabetic foot ulcers using network meta-analysis"],"prefix":"10.7717","volume":"13","author":[{"given":"Jing","family":"Yang","sequence":"first","affiliation":[{"name":"Department of Endocrine and Metabolism, Chengdu Fifth People\u2019s Hospital (The Second Clinical Medical College, Affiliated Fifth People\u2019s Hospital of Chengdu University of Traditional Chinese Medicine), Geriatric Diseases Institute of Chengdu\/Cancer Prevention and Treatment Institute of Chengdu, Chengdu, Sichuan, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Peng","family":"Ning","sequence":"additional","affiliation":[{"name":"Department of Endocrine and Metabolism, Chengdu Fifth People\u2019s Hospital (The Second Clinical Medical College, Affiliated Fifth People\u2019s Hospital of Chengdu University of Traditional Chinese Medicine), Geriatric Diseases Institute of Chengdu\/Cancer Prevention and Treatment Institute of Chengdu, Chengdu, Sichuan, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jiali","family":"Huang","sequence":"additional","affiliation":[{"name":"Department of Endocrine and Metabolism, Chengdu Fifth People\u2019s Hospital (The Second Clinical Medical College, Affiliated Fifth People\u2019s Hospital of Chengdu University of Traditional Chinese Medicine), Geriatric Diseases Institute of Chengdu\/Cancer Prevention and Treatment Institute of Chengdu, Chengdu, Sichuan, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hong","family":"Ouyang","sequence":"additional","affiliation":[{"name":"Department of Endocrine and Metabolism, Chengdu Fifth People\u2019s Hospital (The Second Clinical Medical College, Affiliated Fifth People\u2019s Hospital of Chengdu University of Traditional Chinese Medicine), Geriatric Diseases Institute of Chengdu\/Cancer Prevention and Treatment Institute of Chengdu, Chengdu, Sichuan, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jiaxing","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Endocrine and Metabolism, Chengdu Fifth People\u2019s Hospital (The Second Clinical Medical College, Affiliated Fifth People\u2019s Hospital of Chengdu University of Traditional Chinese Medicine), Geriatric Diseases Institute of Chengdu\/Cancer Prevention and Treatment Institute of Chengdu, Chengdu, Sichuan, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fan","family":"Yang","sequence":"additional","affiliation":[{"name":"Department of Endocrine and Metabolism, Chengdu Fifth People\u2019s Hospital (The Second Clinical Medical College, Affiliated Fifth People\u2019s Hospital of Chengdu University of Traditional Chinese Medicine), Geriatric Diseases Institute of Chengdu\/Cancer Prevention and Treatment Institute of Chengdu, Chengdu, Sichuan, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hongyi","family":"Cao","sequence":"additional","affiliation":[{"name":"Department of Endocrine and Metabolism, Chengdu Fifth People\u2019s Hospital (The Second Clinical Medical College, Affiliated Fifth People\u2019s Hospital of Chengdu University of Traditional Chinese Medicine), Geriatric Diseases Institute of Chengdu\/Cancer Prevention and Treatment Institute of Chengdu, Chengdu, Sichuan, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fan","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Endocrine and Metabolism, Guang\u2019an People\u2019s Hospital (Sichuan University West China Hospital Guang\u2019an Hospital), Guang\u2019an, Sichuan, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"4443","published-online":{"date-parts":[[2025,6,16]]},"reference":[{"issue":"6","key":"10.7717\/peerj.19571\/ref-1","doi-asserted-by":"publisher","first-page":"513","DOI":"10.1053\/ejvs.2002.1911","article-title":"The role of hyperbaric oxygen therapy in ischaemic diabetic lower extremity ulcers: a double-blind randomised-controlled trial","volume":"25","author":"Abidia","year":"2003","journal-title":"European Journal of Vascular and Endovascular Surgery"},{"issue":"Suppl 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