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1.
World J Clin Cases ; 12(4): 782-786, 2024 Feb 06.
Article in English | MEDLINE | ID: mdl-38322676

ABSTRACT

BACKGROUND: Venovenous extracorporeal membrane oxygenation (V-V ECMO) has become an important treatment for severe pneumonia, but there are various complications during the treatment. This article describes a case with severe pneumonia successfully treated by V-V ECMO, but during treatment, the retrovenous catheter, which was supposed to be in the right internal vein, entered the superior vena cava directly in the mediastinum. The ECMO was safely withdrawn after multidisciplinary consultation. Our experience with this case is expected to provide a reference for colleagues who will encounter similar situations. CASE SUMMARY: A 64-year-old man had severe pulmonary infection and respiratory failure. He was admitted to our hospital and was given ventilation support (fraction of inspired oxygen 100%). The respiratory failure was not improved and he was treated by V-V ECMO, during which the venous return catheter, which was supposed to be in the right internal vein, entered the superior vena cava directly in the mediastinum. There was a risk of massive mediastinal bleeding if the catheter was removed directly when the ECMO was withdrawn. Finally, the patient underwent vena cava angiography + balloon attachment + ECMO withdrawal in the operating room (prepared for conversion to thoracotomy for vascular exploration and repair at any time during surgery) after multidisciplinary consultation. ECMO was safely withdrawn, and the patient recovered and was discharged. CONCLUSION: Patients may have different vascular conditions. Multidisciplinary cooperation can ensure patient safety. Our experience will provide a reference for similar cases.

4.
Zhongguo Wei Zhong Bing Ji Jiu Yi Xue ; 16(4): 223-5, 2004 Apr.
Article in Chinese | MEDLINE | ID: mdl-15068715

ABSTRACT

OBJECTIVE: To investigate the relationship in cerebral oxygen utilization coefficients (O.2UCc) in patients with acute severe head injury and illness prognosis. METHODS: Forty patients with acute severe head injury were studied, and 40 patients with light head injury were used as control. Through blood analysis, the changes in oxygen saturation of carotid blood (SaO(2)), oxygen saturation of jugular blood (SjO(2)), cerebral arteriovenous difference of oxygen saturation (S(a-j)O(2)), O.2 UCc were observed. Furthermore, the relationship of these patients' condition and prognosis was analyzed. RESULTS: There was no significant change between the test group and control group in SaO(2). In test group, SjO(2) increased and O.2 UCc decreased, there was an obvious difference between two groups (both P<0.01). In test group, 26 died and 14 lived. There was no significant difference between died and lived patients in SaO(2). SjO(2) significantly increased and O.2 UCc obviously decreased in died patients in comparison with those of the lived patients (both P<0.01). CONCLUSION: Cerebral oxygen metabolism dynamics obstacle frequently was accompanied with acute severe head injury. The high SjO(2) and low O.2 UCc are main symptoms with O.2 UCc<11percent hinting a bad prognosis.


Subject(s)
Craniocerebral Trauma/metabolism , Oxygen/metabolism , Adult , Blood Gas Analysis , Carotid Arteries/metabolism , Craniocerebral Trauma/pathology , Female , Humans , Jugular Veins/metabolism , Male , Middle Aged , Prognosis , Trauma Severity Indices
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