Francesco Cardona Posted November 13, 2013 Share Posted November 13, 2013 We are having discussions about the hemodynamic effects of HFOV. Do you believe there is a threshold where one has to expect cardiovascular compromise if you turn up MAP on HFOV? How best to counter this? Or would you consider this a contraindication for HFOV? Link to comment Share on other sites More sharing options...
Stefan Johansson Posted November 13, 2013 Share Posted November 13, 2013 I have thought that impeded hemodynamics (during HFOV) is related to over-expansion of the lungs, i.e. only at distending pressures exceeding what is needed to get an optimal lung volume. But, I think you're after a threshold for intrathoracal pressure, which can be achieved with high settings, despite yet suboptimal lung volumes ? Look forward to hear from others on this topic! Link to comment Share on other sites More sharing options...
tarek Posted November 20, 2013 Share Posted November 20, 2013 more MAP more hypotension so dont forget the role of 9 if the patient is already hypotensive HFOV with high MAP will compromise him more 2 Link to comment Share on other sites More sharing options...
yasseralsadi Posted February 5, 2014 Share Posted February 5, 2014 role of 9 mean what Link to comment Share on other sites More sharing options...
Guest Omer Posted February 20, 2014 Share Posted February 20, 2014 I think Dr.Kotb meant by the rule of 9 is not exceed 9 ribs on chest xray as indication of lung volume I gess. Link to comment Share on other sites More sharing options...
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