Effect of high-frequency jet ventilation on oxygenation during one-lung ventilation in patients undergoing thoracic aneurysm surgery

Abe, Kazuo; Oka, Junko; Takahashi, Hibiki; Funatsu, Toshihiro; Fukuda, Hirotsugu; Miyamoto, Yuji

doi:10.1007/s00540-005-0352-y

Cited by 23 publications

(14 citation statements)

References 10 publications

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“…The great advantage of HFV for those with ALI is that the high frequency beats cause turbulent flow, continuous ventilation of the alveoli, and the opening of closed airways. This results in a relative stabilization of lung capacity, the prevention of uneven alveolar expansion and atelectasis, the reduction of intrapulmonary shunt, and an increase in functional residual volume, which allows for adequate oxygenation with low maximum inspiratory pressure [17,18]. HFV is known as an effective approach to ALI, because the immune response to lung injury is altered when pressure changes are small and when hemodynamic stability is maintained [19].…”

Section: Discussionmentioning

confidence: 99%

The effect of positive-end expiratory pressure on oxygenation during high frequency jet ventilation and conventional mechanical ventilation in the rabbit model of acute lung injury

Bang

Choi

2012

Korean J Anesthesiol

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BackgroundThe use of positive end expiratory pressure (PEEP) in patients with acute lung injury (ALI) improves arterial oxygenation by alleviating pulmonary shunting, helping the respiratory muscles to decrease the work of breathing, decreasing the rate of infiltrated and atelectatic tissues, and increasing functional residual capacity. In a rabbit model of saline lavage-induced ALI, we examined the effects of PEEP on gas exchange, hemodynamics, and oxygenation during high frequency jet ventilation (HFJV), and then compared these parameters with those during conventional mechanical ventilation (CMV).MethodsTwelve rabbits underwent repeated saline lavage to create ALI. The animals were divided in 2 groups: 1) Group CMV (n = 6), and 2) Group HFJV (n = 6). In both groups, we applied 2 levels of PEEP (5 cmH2O and 10 cmH2O) and then measured the arterial blood gas, mixed venous blood gas, and hemodynamic parameters.ResultsWith administration of PEEP of either 5 cmH2O or 10 cmH2O, the arterial oxygen content of both groups was increased, although without statistically significant differences between groups. On the contrary, the arterial carbon dioxide content was significantly decreased in the HFJV group, as compared with the CMV group, during the entire experiment. Furthermore, there was significant decreases in mean arterial pressures in both groups with a PEEP of 10 cmH2O.ConclusionsThe application of PEEP in rabbits with ALI effectively improves oxygenation in either HFJV or CMV.

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Section: Discussionmentioning

confidence: 99%

The effect of positive-end expiratory pressure on oxygenation during high frequency jet ventilation and conventional mechanical ventilation in the rabbit model of acute lung injury

Bang

Choi

2012

Korean J Anesthesiol

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“…85 High-frequency jet ventilation of the nondependent lung is another method to treat hypoxemia during thoracic surgery. 86,87 Because of the high respiratory frequency and the small tidal volumes, the operated lung during jet ventilation is almost immobile and does not interfere with surgery. However, widespread use has been hindered by the expense of the equipment, the need of expertise, and the danger of barotrauma.…”

Section: Reexpansion Of the Nonventilated Lungmentioning

confidence: 99%

Hypoxemia during One-lung Ventilation

2009

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When switching from two-lung to one-lung ventilation (OLV), shunt fraction increases, oxygenation is impaired, and hypoxemia may occur. Hypoxemia during OLV may be predicted from measurements of lung function, distribution of perfusion between the lungs, whether the right or the left lung is ventilated, and whether the operation will be performed in the supine or in the lateral decubitus position. Hypoxemia during OLV may be prevented by applying a ventilation strategy that avoids alveolar collapse while minimally impairing perfusion of the dependent lung. Choice of anesthesia does not influence oxygenation during clinical OLV. Hypoxemia during OLV may be treated symptomatically by increasing inspired fraction of oxygen, by ventilating, or by using continuous positive airway pressure in the nonventilated lung. Hypoxemia during OLV may be treated causally by correcting the position of the double-lumen tube, clearing the main bronchi of the ventilated lung from secretions, and improving the ventilation strategy.

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“…In fact, two instruments are not always necessary when the ETbr CO 2 is determined at each site in turn. The early determination of the D-ETbr CO 2 during TLV in LP allows us time to prepare for high-frequency jet ventilation and continuous positive airway pressure in the nondependent lung [9]. There are some limitations of our study.…”

Section: Discussionmentioning

confidence: 95%

Gradient of bronchial end-tidal CO2 during two-lung ventilation in lateral decubitus position is predictive of oxygenation disorder during subsequent one-lung ventilation

2009

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Effect of high-frequency jet ventilation on oxygenation during one-lung ventilation in patients undergoing thoracic aneurysm surgery

Abstract: Both HFJV and CPAP can improve oxygenation during OLV.

Cited by 23 publications

References 10 publications

The effect of positive-end expiratory pressure on oxygenation during high frequency jet ventilation and conventional mechanical ventilation in the rabbit model of acute lung injury

The effect of positive-end expiratory pressure on oxygenation during high frequency jet ventilation and conventional mechanical ventilation in the rabbit model of acute lung injury

Hypoxemia during One-lung Ventilation

Gradient of bronchial end-tidal CO2 during two-lung ventilation in lateral decubitus position is predictive of oxygenation disorder during subsequent one-lung ventilation

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