Clinical applications of blood gas analysis: a comparative review of arterial and venous blood gas monitoring in critical care
Blood gas analysis is an essential diagnostic tool used for assessing acid-base balance, ventilation, and oxygenation in critically ill patients. Arterial blood gas analysis (ABGA) remains the gold standard, primarily due to its accuracy in measuring oxygenation. Venous blood gas analysis (VBGA), in...
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| Format: | Article |
| Language: | English |
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Korean Society of Critical Care Medicine
2025-05-01
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| Series: | Acute and Critical Care |
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| Online Access: | http://accjournal.org/upload/pdf/acc-000900.pdf |
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| author | Gyeo Ra Lee |
| author_facet | Gyeo Ra Lee |
| author_sort | Gyeo Ra Lee |
| collection | DOAJ |
| description | Blood gas analysis is an essential diagnostic tool used for assessing acid-base balance, ventilation, and oxygenation in critically ill patients. Arterial blood gas analysis (ABGA) remains the gold standard, primarily due to its accuracy in measuring oxygenation. Venous blood gas analysis (VBGA), in contrast, serves as a less invasive alternative and is particularly useful for evaluating acid-base status and metabolic function. Important parameters such as central venous oxygen saturation (ScvO2) and venous-to-arterial carbon dioxide pressure difference (∆pv-aCO2) provide critical insights into hemodynamic status, cardiac output, and tissue perfusion. Although VBGA cannot replace ABGA for the precise assessment of oxygenation, it remains a valuable tool in clinical scenarios involving hemodynamic monitoring, shock management, and critical care decision-making. |
| format | Article |
| id | doaj-art-b3af9dc336024324ab5b38623716df84 |
| institution | OA Journals |
| issn | 2586-6052 2586-6060 |
| language | English |
| publishDate | 2025-05-01 |
| publisher | Korean Society of Critical Care Medicine |
| record_format | Article |
| series | Acute and Critical Care |
| spelling | doaj-art-b3af9dc336024324ab5b38623716df842025-08-20T02:10:07ZengKorean Society of Critical Care MedicineAcute and Critical Care2586-60522586-60602025-05-0140215315910.4266/acc.0009001610Clinical applications of blood gas analysis: a comparative review of arterial and venous blood gas monitoring in critical careGyeo Ra Lee0 Division of Trauma and Surgical Critical Care, Department of Surgery, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, KoreaBlood gas analysis is an essential diagnostic tool used for assessing acid-base balance, ventilation, and oxygenation in critically ill patients. Arterial blood gas analysis (ABGA) remains the gold standard, primarily due to its accuracy in measuring oxygenation. Venous blood gas analysis (VBGA), in contrast, serves as a less invasive alternative and is particularly useful for evaluating acid-base status and metabolic function. Important parameters such as central venous oxygen saturation (ScvO2) and venous-to-arterial carbon dioxide pressure difference (∆pv-aCO2) provide critical insights into hemodynamic status, cardiac output, and tissue perfusion. Although VBGA cannot replace ABGA for the precise assessment of oxygenation, it remains a valuable tool in clinical scenarios involving hemodynamic monitoring, shock management, and critical care decision-making.http://accjournal.org/upload/pdf/acc-000900.pdfbloodblood gas analysiscarbon dioxidecatheterizationcentral venoushemodynamicsveins |
| spellingShingle | Gyeo Ra Lee Clinical applications of blood gas analysis: a comparative review of arterial and venous blood gas monitoring in critical care Acute and Critical Care blood blood gas analysis carbon dioxide catheterization central venous hemodynamics veins |
| title | Clinical applications of blood gas analysis: a comparative review of arterial and venous blood gas monitoring in critical care |
| title_full | Clinical applications of blood gas analysis: a comparative review of arterial and venous blood gas monitoring in critical care |
| title_fullStr | Clinical applications of blood gas analysis: a comparative review of arterial and venous blood gas monitoring in critical care |
| title_full_unstemmed | Clinical applications of blood gas analysis: a comparative review of arterial and venous blood gas monitoring in critical care |
| title_short | Clinical applications of blood gas analysis: a comparative review of arterial and venous blood gas monitoring in critical care |
| title_sort | clinical applications of blood gas analysis a comparative review of arterial and venous blood gas monitoring in critical care |
| topic | blood blood gas analysis carbon dioxide catheterization central venous hemodynamics veins |
| url | http://accjournal.org/upload/pdf/acc-000900.pdf |
| work_keys_str_mv | AT gyeoralee clinicalapplicationsofbloodgasanalysisacomparativereviewofarterialandvenousbloodgasmonitoringincriticalcare |