Normocapnic high-frequency oscillatory ventilation affects differently extrapulmonary and pulmonary forms of acute respiratory distress syndrome in adults
The recently reported differences between pulmonary and extrapulmonary acute respiratory distress syndromes (ARDS(p), ARDS(exp)) are the main reasons of scientific discussion on potential differences in the effects of current ventilatory strategies. The aim of this study is to assess whether the pre...
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| Veröffentlicht in: | Physiological research 2006, Vol.55 (1), p.15-24 |
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| creator | Pachl, J Roubík, K Waldauf, P Fric, M Zábrodský, V |
| description | The recently reported differences between pulmonary and extrapulmonary acute respiratory distress syndromes (ARDS(p), ARDS(exp)) are the main reasons of scientific discussion on potential differences in the effects of current ventilatory strategies. The aim of this study is to assess whether the presence of ARDS(p) or ARDS(exp) can differently affect the beneficial effects of high-frequency oscillatory ventilation (HFOV) upon physiological and clinical parameters. Thirty adults fulfilling the ARDS criteria were indicated for HFOV in case of failure of conventional ventilation strategy. According to the ARDS type, each patient was included either in the group of patients with ARDS(p) or ARDS(exp). Six hours after normocapnic HFOV introduction, there was no significant increase in PaO2/F(I)O2 in ARDS(p) group (from 129+/-47 to 133+/-50 Torr), but a significant improvement was found in ARDS(exp) (from 114+/-54 to 200+/-65 Torr, p |
| doi_str_mv | 10.33549/physiolres.930775 |
| format | Article |
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The aim of this study is to assess whether the presence of ARDS(p) or ARDS(exp) can differently affect the beneficial effects of high-frequency oscillatory ventilation (HFOV) upon physiological and clinical parameters. Thirty adults fulfilling the ARDS criteria were indicated for HFOV in case of failure of conventional ventilation strategy. According to the ARDS type, each patient was included either in the group of patients with ARDS(p) or ARDS(exp). Six hours after normocapnic HFOV introduction, there was no significant increase in PaO2/F(I)O2 in ARDS(p) group (from 129+/-47 to 133+/-50 Torr), but a significant improvement was found in ARDS(exp) (from 114+/-54 to 200+/-65 Torr, p<0.01). Despite the insignificant difference in the latest mean airway pressure (MAP) on conventional mechanical ventilation (CMV) between both groups, initial optimal continuous distension pressure (CDP) for the best PaO2/F(I)O2 during HFOV was 2.0+/-0.6 kPa in ARDS(p) and 2.8+/-0.6 kPa in ARDS(exp) (p<0.01). HFOV recruits and thus it is more effective in ARDS(exp). ARDS(exp) patients require higher CDP levels than ARDS(p) patients. The testing period for positive effect of HFOV is recommended not to be longer than 24 hours.</description><identifier>ISSN: 0862-8408</identifier><identifier>EISSN: 1802-9973</identifier><identifier>DOI: 10.33549/physiolres.930775</identifier><identifier>PMID: 15857169</identifier><language>eng</language><publisher>Czech Republic: Institute of Physiology</publisher><subject>Female ; High-Frequency Ventilation ; Humans ; Male ; Middle Aged ; Respiratory Distress Syndrome - classification ; Respiratory Distress Syndrome - therapy ; Respiratory Function Tests ; Time Factors</subject><ispartof>Physiological research, 2006, Vol.55 (1), p.15-24</ispartof><rights>Copyright Institute of Physiology 2006</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c372t-684c1040c1bc49d1df43627af2ebc969e1b7709973d56a28aaf3ab1eac6786cc3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,777,781,861,4010,27904,27905,27906</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/15857169$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Pachl, J</creatorcontrib><creatorcontrib>Roubík, K</creatorcontrib><creatorcontrib>Waldauf, P</creatorcontrib><creatorcontrib>Fric, M</creatorcontrib><creatorcontrib>Zábrodský, V</creatorcontrib><title>Normocapnic high-frequency oscillatory ventilation affects differently extrapulmonary and pulmonary forms of acute respiratory distress syndrome in adults</title><title>Physiological research</title><addtitle>Physiol Res</addtitle><description>The recently reported differences between pulmonary and extrapulmonary acute respiratory distress syndromes (ARDS(p), ARDS(exp)) are the main reasons of scientific discussion on potential differences in the effects of current ventilatory strategies. The aim of this study is to assess whether the presence of ARDS(p) or ARDS(exp) can differently affect the beneficial effects of high-frequency oscillatory ventilation (HFOV) upon physiological and clinical parameters. Thirty adults fulfilling the ARDS criteria were indicated for HFOV in case of failure of conventional ventilation strategy. According to the ARDS type, each patient was included either in the group of patients with ARDS(p) or ARDS(exp). Six hours after normocapnic HFOV introduction, there was no significant increase in PaO2/F(I)O2 in ARDS(p) group (from 129+/-47 to 133+/-50 Torr), but a significant improvement was found in ARDS(exp) (from 114+/-54 to 200+/-65 Torr, p<0.01). Despite the insignificant difference in the latest mean airway pressure (MAP) on conventional mechanical ventilation (CMV) between both groups, initial optimal continuous distension pressure (CDP) for the best PaO2/F(I)O2 during HFOV was 2.0+/-0.6 kPa in ARDS(p) and 2.8+/-0.6 kPa in ARDS(exp) (p<0.01). HFOV recruits and thus it is more effective in ARDS(exp). ARDS(exp) patients require higher CDP levels than ARDS(p) patients. 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The aim of this study is to assess whether the presence of ARDS(p) or ARDS(exp) can differently affect the beneficial effects of high-frequency oscillatory ventilation (HFOV) upon physiological and clinical parameters. Thirty adults fulfilling the ARDS criteria were indicated for HFOV in case of failure of conventional ventilation strategy. According to the ARDS type, each patient was included either in the group of patients with ARDS(p) or ARDS(exp). Six hours after normocapnic HFOV introduction, there was no significant increase in PaO2/F(I)O2 in ARDS(p) group (from 129+/-47 to 133+/-50 Torr), but a significant improvement was found in ARDS(exp) (from 114+/-54 to 200+/-65 Torr, p<0.01). Despite the insignificant difference in the latest mean airway pressure (MAP) on conventional mechanical ventilation (CMV) between both groups, initial optimal continuous distension pressure (CDP) for the best PaO2/F(I)O2 during HFOV was 2.0+/-0.6 kPa in ARDS(p) and 2.8+/-0.6 kPa in ARDS(exp) (p<0.01). HFOV recruits and thus it is more effective in ARDS(exp). ARDS(exp) patients require higher CDP levels than ARDS(p) patients. The testing period for positive effect of HFOV is recommended not to be longer than 24 hours.</abstract><cop>Czech Republic</cop><pub>Institute of Physiology</pub><pmid>15857169</pmid><doi>10.33549/physiolres.930775</doi><tpages>10</tpages><oa>free_for_read</oa></addata></record> |
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| source | MEDLINE; DOAJ Directory of Open Access Journals; EZB-FREE-00999 freely available EZB journals |
| subjects | Female High-Frequency Ventilation Humans Male Middle Aged Respiratory Distress Syndrome - classification Respiratory Distress Syndrome - therapy Respiratory Function Tests Time Factors |
| title | Normocapnic high-frequency oscillatory ventilation affects differently extrapulmonary and pulmonary forms of acute respiratory distress syndrome in adults |
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