Asset Details
Do you wish to reserve the book?
A physiologic comparison of proportional assist ventilation with load-adjustable gain factors (PAV+) versus pressure support ventilation (PSV)
Hey, we have placed the reservation for you!
By the way, why not check out events that you can attend while you pick your title.
Oops! Something went wrong.
Looks like we were not able to place the reservation. Kindly try again later.
Are you sure you want to remove the book from the shelf?
A physiologic comparison of proportional assist ventilation with load-adjustable gain factors (PAV+) versus pressure support ventilation (PSV)
Do you wish to request the book?
A physiologic comparison of proportional assist ventilation with load-adjustable gain factors (PAV+) versus pressure support ventilation (PSV)
Please be aware that the book you have requested cannot be checked out. If you would like to checkout this book, you can reserve another copy
We have requested the book for you!
Your request is successful and it will be processed during the Library working hours. Please check the status of your request in My Requests.
Oops! Something went wrong.
Looks like we were not able to place your request. Kindly try again later.
Journal Article
A physiologic comparison of proportional assist ventilation with load-adjustable gain factors (PAV+) versus pressure support ventilation (PSV)
2011
Overview
Purpose
To compare patient–ventilator interaction during PSV and PAV+ in patients that are difficult to wean.
Methods
This was a physiologic study involving 11 patients. During three consecutive trials (PSV first trial—PSV1, followed by PAV+, followed by a second PSV trial—PSV2, with the same settings as PSV1) we evaluated mechanical and patient respiratory pattern; inspiratory effort from excursion Pdi (swing
Pdi
), and pressure–time products of the transdiaphragmatic (PTPdi) pressures. Inspiratory (delay
trinsp
) and expiratory (delay
trexp
) trigger delays, time of synchrony (time
syn
), and asynchrony index (AI) were assessed.
Results
Compared to PAV+, during PSV trials, the mechanical inspiratory time (Ti
flow
) was significantly longer than patient inspiratory time (Ti
pat
) (
p
< 0.05); Ti
pat
showed a prolongation between PSV1 and PAV+, significant comparing PAV+ and PSV2 (
p
< 0.05). PAV+ significantly reduced delay
trexp
(
p
< 0.001). The portion of tidal volume (VT) delivered in phase with Ti
pat
(VT
pat
/VT
mecc
) was significantly higher during PAV+ (
p
< 0.01). The time of synchrony was significantly longer during PAV+ than during PSV (
p
< 0.001). During PSV 5 patients out of 11 showed an AI greater than 10%, whereas the AI was nil during PAV+.
Conclusion
PAV+ improves patient–ventilator interaction, significantly reducing the incidence of end-expiratory asynchrony and increasing the time of synchrony.
Publisher
Springer-Verlag,Springer,Springer Nature B.V
Subject
/ Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy
/ Biological and medical sciences
/ Chronic obstructive pulmonary disease
/ Emergency and intensive respiratory care
/ Female
/ Humans
/ Interactive Ventilatory Support - standards
/ Male
/ Medicine
/ Original
/ Patients
/ Pneumology/Respiratory System
/ Positive-Pressure Respiration - standards
/ Respiratory Mechanics - physiology
/ Rome
/ Ventilators, Negative-Pressure
/ Weaning
