Quantification of the pressures generated during insertion of an epidural needle in labouring women of varying body mass indices
dc.contributor.author | Wee, Michael Y. K. | * |
dc.contributor.author | Isaacs, R. A. | * |
dc.contributor.author | Vaughan, Neil | * |
dc.contributor.author | Dubey, V. N. | * |
dc.contributor.author | Parker, B. | * |
dc.date.accessioned | 2018-05-17T14:43:32Z | |
dc.date.available | 2018-05-17T14:43:32Z | |
dc.date.issued | 2017-12-01 | |
dc.identifier.citation | Wee, M. Y. K., Isaacs, R. A., Vaughan, N., Dubey, V. N., & Parker, B. (2017). Quantification of the pressures generated during insertion of an epidural needle in labouring women of varying body mass indices. International Journal of Clinical Anesthesia and Research, 1, 024-031. http://doi.org/10.29328/journal.hacr.1001004 | en |
dc.identifier.issn | NA | |
dc.identifier.doi | 10.29328/journal.hacr.1001004 | |
dc.identifier.uri | http://hdl.handle.net/10034/621133 | |
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dc.description.abstract | Objective: The primary aim of this study was to measure pressure generated on a Tuohy needle during the epidural procedure in labouring women of varying body mass indices (BMI) with a view of utilising the data for the future development of a high fi delity epidural simulator. High-fi delity epidural simulators have a role in improving training and safety but current simulators lack a realistic experience and can be improved. Methods: This study was approved by the National Research Ethics Service Committee South Central, Portsmouth (REC reference 11/SC/0196). After informed consent epidural needle insertion pressure was measured using a Portex 16-gauge Tuohy needle, loss-of-resistance syringe, a three-way tap, pressure transducer and a custom-designed wireless transmitter. This was performed in four groups of labouring women, stratified according to BMI kg/m2: 18-24.9; 25-34.9; 35-44.9 and >=45. One-way ANOVA was used to compare difference in needle insertion pressure between the BMI groups. A paired t-test was performed between BMI group 18-24.9 and the three other BMI groups. Ultrasound images of the lumbar spine were undertaken prior to the epidural procedure and lumbar magnetic resonance imaging (MRI) was performed within 72h post-delivery. These images will be used in the development of a high fi delity epidural simulator. Results: The mean epidural needle insertion pressure of labouring women with BMI 18-24.9 was 461mmHg; BMI 25-34.9 was 430mmHg; BMI 35-44.9 was 415mmHg and BMI >=45 was 376mmHg, (p=0.52). Conclusion: Although statistically insignifi cant, the study did show a decreasing trend of epidural insertion pressure with increasing body mass indices. | |
dc.language.iso | en | en |
dc.publisher | Heighten Science Publications | en |
dc.relation.url | https://www.heighpubs.org/hacr/ijcar-aid1004.php | en |
dc.rights.uri | http://creativecommons.org/licenses/by/4.0/ | en |
dc.subject | Epidural | en |
dc.subject | Epidural Simulation | en |
dc.subject | Simulation | en |
dc.subject | Obstetrician | en |
dc.subject | Pressures | en |
dc.title | Quantification of the pressures generated during insertion of an epidural needle in labouring women of varying body mass indices | en |
dc.type | Article | en |
dc.contributor.department | University of Chester; Bournemouth University; Poole Hospital NHS Trust; West Hertfordshire NHS Trust; Southampton University Hospital | en |
dc.identifier.journal | International Journal of Clinical Anesthesia and Research | |
dc.internal.reviewer-note | Checking with research office. SM | en |
dc.date.accepted | 2017-11-30 | |
or.grant.openaccess | Yes | en |
rioxxterms.funder | Unfunded | en |
rioxxterms.identifier.project | Unfunded | en |
rioxxterms.version | VoR | en |
rioxxterms.licenseref.startdate | 2018-06-17 | |
html.description.abstract | Objective: The primary aim of this study was to measure pressure generated on a Tuohy needle during the epidural procedure in labouring women of varying body mass indices (BMI) with a view of utilising the data for the future development of a high fi delity epidural simulator. High-fi delity epidural simulators have a role in improving training and safety but current simulators lack a realistic experience and can be improved. Methods: This study was approved by the National Research Ethics Service Committee South Central, Portsmouth (REC reference 11/SC/0196). After informed consent epidural needle insertion pressure was measured using a Portex 16-gauge Tuohy needle, loss-of-resistance syringe, a three-way tap, pressure transducer and a custom-designed wireless transmitter. This was performed in four groups of labouring women, stratified according to BMI kg/m2: 18-24.9; 25-34.9; 35-44.9 and >=45. One-way ANOVA was used to compare difference in needle insertion pressure between the BMI groups. A paired t-test was performed between BMI group 18-24.9 and the three other BMI groups. Ultrasound images of the lumbar spine were undertaken prior to the epidural procedure and lumbar magnetic resonance imaging (MRI) was performed within 72h post-delivery. These images will be used in the development of a high fi delity epidural simulator. Results: The mean epidural needle insertion pressure of labouring women with BMI 18-24.9 was 461mmHg; BMI 25-34.9 was 430mmHg; BMI 35-44.9 was 415mmHg and BMI >=45 was 376mmHg, (p=0.52). Conclusion: Although statistically insignifi cant, the study did show a decreasing trend of epidural insertion pressure with increasing body mass indices. |