{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,1]],"date-time":"2026-08-01T02:48:35Z","timestamp":1785552515118,"version":"3.56.0"},"reference-count":12,"publisher":"MDPI AG","issue":"12","license":[{"start":{"date-parts":[[2025,6,11]],"date-time":"2025-06-11T00:00:00Z","timestamp":1749600000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JCM"],"abstract":"<jats:p>Background: Transcutaneous CO2 (TcCO2) measurement is widely used in the diagnosis and monitoring of ventilatory failure. Robust data on the success rates of measurement is scant. We aimed to discern the factors affecting the success rate of TcCO2 measurement in a regional LTV service. Methods: Patients undergoing TcCO2 measurement between October 2019 and January 2022 were identified retrospectively. Notes were analysed for basic demographics, indications for TcCO2 measurement, measurement outcome, device used (Radiometer TCM5 or Sentec, based on availability), setup (self, carer, or clinician), inpatient or domiciliary study, and number of TcCO2 measurement attempts occurred. Statistical comparisons were made by Fisher\u2019s exact test. Results: We identified 435 recording events on 288 patients, mean age of 53, and 56% were males. A total of 189 (66%) had a neuromuscular disorder (NMD). The commonest indications for TcCO2 measurement were \u2018assessing ventilatory failure\u2019 (43%) in treatment-na\u00efve patients and \u2018adequacy of ventilation therapy due to persistent symptoms\u2019 (26%) in those established on LTV. Over 80% of our recording events were applied by patients or their carers. Overall, TCM5 devices had statistically higher successful recording rates (197\/268, 73.5%) than Sentec (100\/165, 60.6%) [p = 0.0056]. In domiciliary studies, TCM5\u2019s success rate of 187\/253 (73.9%) versus Sentec\u2019s 94\/154 (61.0%) was significantly better [p = 0.0079]. The success rate of each measurement attempt ranged between 62.9 and 67.0%, with up to three attempts on each subject. Conclusions: Home TcCO2 is helpful in managing those with respiratory failure. Repeating tests after initial failure of recording is worthwhile. There may be differences in performance across devices which warrants further study.<\/jats:p>","DOI":"10.3390\/jcm14124137","type":"journal-article","created":{"date-parts":[[2025,6,11]],"date-time":"2025-06-11T11:18:40Z","timestamp":1749640720000},"page":"4137","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Transcutaneous CO2 Measurement in an Adult Long-Term Ventilation (LTV) Service"],"prefix":"10.3390","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6034-3027","authenticated-orcid":false,"given":"Wei Hann","family":"Ong","sequence":"first","affiliation":[{"name":"North East Assisted Ventilation Service, Royal Victoria Infirmary, The Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne NE1 4LP, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Peter","family":"Ireland","sequence":"additional","affiliation":[{"name":"North East Assisted Ventilation Service, Royal Victoria Infirmary, The Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne NE1 4LP, UK"},{"name":"Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne NE1 7RU, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ching Khai","family":"Ho","sequence":"additional","affiliation":[{"name":"North East Assisted Ventilation Service, Royal Victoria Infirmary, The Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne NE1 4LP, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ross","family":"Fowkes","sequence":"additional","affiliation":[{"name":"North East Assisted Ventilation Service, Royal Victoria Infirmary, The Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne NE1 4LP, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yamuna","family":"Madhu","sequence":"additional","affiliation":[{"name":"North East Assisted Ventilation Service, Royal Victoria Infirmary, The Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne NE1 4LP, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7118-4941","authenticated-orcid":false,"given":"Richard","family":"Davidson","sequence":"additional","affiliation":[{"name":"North East Assisted Ventilation Service, Royal Victoria Infirmary, The Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne NE1 4LP, UK"},{"name":"Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne NE1 7RU, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Katie","family":"Kaiser","sequence":"additional","affiliation":[{"name":"North East Assisted Ventilation Service, Royal Victoria Infirmary, The Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne NE1 4LP, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kathy","family":"George","sequence":"additional","affiliation":[{"name":"North East Assisted Ventilation Service, Royal Victoria Infirmary, The Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne NE1 4LP, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jane","family":"Rodger","sequence":"additional","affiliation":[{"name":"North East Assisted Ventilation Service, Royal Victoria Infirmary, The Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne NE1 4LP, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5152-4814","authenticated-orcid":false,"given":"Alison","family":"Armstrong","sequence":"additional","affiliation":[{"name":"North East Assisted Ventilation Service, Royal Victoria Infirmary, The Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne NE1 4LP, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6099-6629","authenticated-orcid":false,"given":"Ben","family":"Messer","sequence":"additional","affiliation":[{"name":"North East Assisted Ventilation Service, Royal Victoria Infirmary, The Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne NE1 4LP, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hilary","family":"Tedd","sequence":"additional","affiliation":[{"name":"North East Assisted Ventilation Service, Royal Victoria Infirmary, The Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne NE1 4LP, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9954-6366","authenticated-orcid":false,"given":"Nicholas","family":"Lane","sequence":"additional","affiliation":[{"name":"North East Assisted Ventilation Service, Royal Victoria Infirmary, The Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne NE1 4LP, UK"},{"name":"Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne NE1 7RU, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anthony","family":"De Soyza","sequence":"additional","affiliation":[{"name":"North East Assisted Ventilation Service, Royal Victoria Infirmary, The Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne NE1 4LP, UK"},{"name":"Population Health Sciences Institute, Newcastle University, Ridley 1 Building, Newcastle upon Tyne NE1 4LP, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2025,6,11]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1443","DOI":"10.1378\/chest.110.6.1443","article-title":"Pain during arterial 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