The initial Mayo Clinic experience using high-frequency oscillatory ventilation for adult patients: A retrospective study

被引：27

作者：

Finkielman J.D. ^{[1
]}

Gajic O. ^{[2
]}

Farmer J.C. ^{[2
]}

Afessa B. ^{[2
]}

Hubmayr R.D. ^{[2
]}

机构：

[1] Intensive Care Unit, Saint Alexius Medical Center, Bismarck, ND

[2] Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Mayo Clinic College of Medicine, Rochester, MN

来源：

BMC Emergency Medicine | / 6卷 / 1期

关键词：

Sequential Organ Failure Assessment Score; Oxygenation Index; Conventional Ventilation; Critical Illness Polyneuropathy; Predicted Body Weight;

D O I：

10.1186/1471-227X-6-2

中图分类号：

学科分类号：

摘要：

Background: High-frequency oscillatory ventilation (HFOV) was introduced in our institution in June 2003. Since then, there has been no protocol to guide the use of HFOV, and all decisions regarding ventilation strategies and settings of HFOV were made by the treating intensivist. The aim of this study is to report our first year of experience using HFOV. Methods: In this retrospective study, we reviewed all 14 adult patients, who were consecutively ventilated with HFOV in the intensive care units of a tertiary medical center, from June 2003 to July 2004. Results: The mean age of the patients was 56 years, 10 were males, and all were whites. The first day median APACHE II score and its predicted hospital mortality were 35 and 83%, respectively, and the median SOFA score was 11.5. Eleven patients had ARDS, two unilateral pneumonia with septic shock, and one pulmonary edema. Patients received conventional ventilation for a median of 1.8 days before HFOV. HFOV was used 16 times for a median of 3.2 days. Improvements in oxygenation parameters were observed after 24 hours of HFOV (mean PaO2/FIO2 increased from 82 to 107, P < 0.05; and the mean oxygenation index decreased from 42 to 29; P < 0.05). In two patients HFOV was discontinued, in one because of equipment failure and in another because of severe hypotension that was unresponsive to fluids. No change in mean arterial pressure, or vasopressor requirements was noted after the initiation of HFOV. Eight patients died (57 %, 95% CI: 33-79); life support was withdrawn in six and two suffered cardiac arrest. Conclusion: During our first year of experience, HFOV was used as a rescue therapy in very sick patients with refractory hypoxemia, and improvement in oxygenation was observed after 24 hours of this technique. HFOV is a reasonable alternative when a protective lung strategy could not be achieved on conventional ventilation. © 2006 Finkielman et al; licensee BioMed Central Ltd.

引用

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