{"title":"成人危重手术后通气患者到达重症监护病房时的二氧化碳水平。","authors":"M Slave, J Scribante, H Perrie, F Lambat","doi":"10.7196/SAJCC.2023.v39i1.655","DOIUrl":null,"url":null,"abstract":"<p><strong>Background: </strong>The transportation of critically ill patients presents a precarious situation in which adverse events may occur. At Chris Hani Baragwanath Academic Hospital (CHBAH) patients were manually ventilated using a manual resuscitator bag during transportation from theatre to the intensive care unit (ICU).</p><p><strong>Objectives: </strong>To evaluate the arterial partial pressure of carbon dioxide (PaCO<sub>2</sub> ) levels of ventilated adult critically ill post-operative patients on arrival at the ICU at CHBAH.</p><p><strong>Methods: </strong>This was a cross-sectional study using convenience sampling. Pre- and post-transportation arterial blood gases were obtained from 47 patients.</p><p><strong>Results: </strong>There was a statistically significant difference in the pre- and post-transport PaCO<sub>2</sub> level (p=0.03), with a mean difference of 3.3 mmHg. The pre- and post-transport arterial partial pressure of oxygen (PaO<sub>2</sub> ) level (p≤0.001) and the week and weekend pre-transport (p≤0.001) and post-transport (p=0.01) PaCO<sub>2</sub> were statistically significantly different. No statistically significant difference was found in the other arterial blood gas parameters or in the post-transport PaCO<sub>2</sub> of those patients (26 (55.3%)), who received a neuromuscular blocking drug compared with those that did not. Adverse events were noted during 12 (25.6%) of the transports, 5 (41.7%) of which were patient-related, and 7 (58.3%) of which were infrastructure-related.</p><p><strong>Conclusion: </strong>There was a statistically but not clinically significant difference in the pre- and post-transport PaCO<sub>2</sub> level and between week and weekend transportations. Hypercarbia was the most common derangement in all transports. Adverse events occurred during one-quarter of transportations.</p><p><strong>Contributions of the study: </strong>This study evaluated the PaCO<sub>2</sub> levels of critically ill patients at CHBAH during transportation from theatre to the ICU. The findings indicate that manual ventilation was not injurious. The authors recommend reproducing the study in patients with severe ARDS and pulmonary hypertension to ascertain if manual ventilation is safe in this population; and also with healthcare practitioners other than anaesthesiologists, who may not be as experienced in manual ventilation.</p>","PeriodicalId":75194,"journal":{"name":"The Southern African journal of critical care : the official journal of the Critical Care Society","volume":"39 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/41/7b/SAJCC-39-1-655.PMC10378180.pdf","citationCount":"0","resultStr":"{\"title\":\"Carbon dioxide levels of ventilated adult critically ill post-operative patients on arrival at the intensive care unit.\",\"authors\":\"M Slave, J Scribante, H Perrie, F Lambat\",\"doi\":\"10.7196/SAJCC.2023.v39i1.655\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><strong>Background: </strong>The transportation of critically ill patients presents a precarious situation in which adverse events may occur. At Chris Hani Baragwanath Academic Hospital (CHBAH) patients were manually ventilated using a manual resuscitator bag during transportation from theatre to the intensive care unit (ICU).</p><p><strong>Objectives: </strong>To evaluate the arterial partial pressure of carbon dioxide (PaCO<sub>2</sub> ) levels of ventilated adult critically ill post-operative patients on arrival at the ICU at CHBAH.</p><p><strong>Methods: </strong>This was a cross-sectional study using convenience sampling. Pre- and post-transportation arterial blood gases were obtained from 47 patients.</p><p><strong>Results: </strong>There was a statistically significant difference in the pre- and post-transport PaCO<sub>2</sub> level (p=0.03), with a mean difference of 3.3 mmHg. The pre- and post-transport arterial partial pressure of oxygen (PaO<sub>2</sub> ) level (p≤0.001) and the week and weekend pre-transport (p≤0.001) and post-transport (p=0.01) PaCO<sub>2</sub> were statistically significantly different. No statistically significant difference was found in the other arterial blood gas parameters or in the post-transport PaCO<sub>2</sub> of those patients (26 (55.3%)), who received a neuromuscular blocking drug compared with those that did not. Adverse events were noted during 12 (25.6%) of the transports, 5 (41.7%) of which were patient-related, and 7 (58.3%) of which were infrastructure-related.</p><p><strong>Conclusion: </strong>There was a statistically but not clinically significant difference in the pre- and post-transport PaCO<sub>2</sub> level and between week and weekend transportations. Hypercarbia was the most common derangement in all transports. Adverse events occurred during one-quarter of transportations.</p><p><strong>Contributions of the study: </strong>This study evaluated the PaCO<sub>2</sub> levels of critically ill patients at CHBAH during transportation from theatre to the ICU. The findings indicate that manual ventilation was not injurious. The authors recommend reproducing the study in patients with severe ARDS and pulmonary hypertension to ascertain if manual ventilation is safe in this population; and also with healthcare practitioners other than anaesthesiologists, who may not be as experienced in manual ventilation.</p>\",\"PeriodicalId\":75194,\"journal\":{\"name\":\"The Southern African journal of critical care : the official journal of the Critical Care Society\",\"volume\":\"39 1\",\"pages\":\"\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2023-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/41/7b/SAJCC-39-1-655.PMC10378180.pdf\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"The Southern African journal of critical care : the official journal of the Critical Care Society\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.7196/SAJCC.2023.v39i1.655\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"The Southern African journal of critical care : the official journal of the Critical Care Society","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.7196/SAJCC.2023.v39i1.655","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Carbon dioxide levels of ventilated adult critically ill post-operative patients on arrival at the intensive care unit.
Background: The transportation of critically ill patients presents a precarious situation in which adverse events may occur. At Chris Hani Baragwanath Academic Hospital (CHBAH) patients were manually ventilated using a manual resuscitator bag during transportation from theatre to the intensive care unit (ICU).
Objectives: To evaluate the arterial partial pressure of carbon dioxide (PaCO2 ) levels of ventilated adult critically ill post-operative patients on arrival at the ICU at CHBAH.
Methods: This was a cross-sectional study using convenience sampling. Pre- and post-transportation arterial blood gases were obtained from 47 patients.
Results: There was a statistically significant difference in the pre- and post-transport PaCO2 level (p=0.03), with a mean difference of 3.3 mmHg. The pre- and post-transport arterial partial pressure of oxygen (PaO2 ) level (p≤0.001) and the week and weekend pre-transport (p≤0.001) and post-transport (p=0.01) PaCO2 were statistically significantly different. No statistically significant difference was found in the other arterial blood gas parameters or in the post-transport PaCO2 of those patients (26 (55.3%)), who received a neuromuscular blocking drug compared with those that did not. Adverse events were noted during 12 (25.6%) of the transports, 5 (41.7%) of which were patient-related, and 7 (58.3%) of which were infrastructure-related.
Conclusion: There was a statistically but not clinically significant difference in the pre- and post-transport PaCO2 level and between week and weekend transportations. Hypercarbia was the most common derangement in all transports. Adverse events occurred during one-quarter of transportations.
Contributions of the study: This study evaluated the PaCO2 levels of critically ill patients at CHBAH during transportation from theatre to the ICU. The findings indicate that manual ventilation was not injurious. The authors recommend reproducing the study in patients with severe ARDS and pulmonary hypertension to ascertain if manual ventilation is safe in this population; and also with healthcare practitioners other than anaesthesiologists, who may not be as experienced in manual ventilation.
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