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Respironics Auto SV BiPAP Machine
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The BiPAP autoSV sleep therapy system is specifically designed to be the best choice for managing complicated sleep-disordered breathing patients. It combines a number of technologies to recognize and react to changing pressure needs, and it's clinically proven to treat obstructive, central and complex apneas and hypopneas, as well as periodic breathing.
Obstructive Sleep Apnea (OSA)
OSA is the absence of airflow due to an occlusion in the upper airway that lasts at least 10 seconds in spite of continual effort to breathe. Severity is measured by the Apnea/Hypopnea Index (AHI) - the number of episodes per hour of sleep.
Central Sleep Apnea
Central Sleep Apnea is a pattern of breathing characterized by a normal deep inspiratory cycle interchanged with complete cessation of breathing. It is typically caused by problems with how the brain controls breathing rather than an occlusion of the airway.
Complex Sleep Apnea
Complex sleep apnea is a condition that occurs when a patient is identified as having OSA, but with the application of Continuous Positive Airway Pressure (CPAP) to eliminate the OSA, the patient develops Central Sleep Apnea. The cause of complex sleep apnea is not known at this time.
Periodic Breathing
Periodic breathing is defined as alternating periods of hyperventilation with waxing/waning tidal volume and periods of central hypopneas or apneas. There are many forms of periodic breathing, one of which is Cheyne-Stokes Respiration (CSR). CSR is characterized by a cyclic pattern of waxing and waning during periods of apnea, and deep, rapid breathing.
How the BiPAP autoSV Works
The BiPAP autoSV sleep therapy system delivers optimal therapy for complicated sleep-disordered breathing patients utilizing a multilevel algorithm. On a breath-by-breath basis, the revolutionary algorithm uses Digital Auto-Trak Sensitivity to change pressure support, when necessary, to maintain a stable breathing pattern. In addition to this breath-by-breath adjustment of pressure support, the BiPAP autoSV algorithm also calculates the patient's spontaneous breathing rate and can automatically trigger a breath should the patient have a central apneic event. This algorithm rapidly helps normalize respiration and return the pressure to the minimum required therapy pressure once ventilation has been normalized.
In addition to the revolutionary algorithm, the BiPAP autoSV sleep therapy system also offers other proven Respironics technologies such as optional integrated heated humidification and built-in digital data storage using Respironics Encore SmartCard and Encore Pro Data Management Software.
IPAP min: 4 cm H2O to 30 cm H2O
EPAP: 4 cm H2O to 25 cm H2O
AutoSV BiPAP FAQs
What is the BiPAP autoSV device used for?
The intended use is: To provide non-invasive ventilatory support to treat adult patients with OSA and Respiratory Insufficiency caused by central and/or mixed apneas and periodic breathing.
What does autoSV mean?
autoSV stands for automatic Servo Ventilation. This is a pressure support ventilation which will be automatically delivered as soon as the patient drops under a certain flow value.
How does the algorithm operate?
The algorithm is based on flow. Using proven RI technologies such as Digital Auto-Trak, the flow signal is analyzed and a target flow is calculated. If the patient reaches the flow target, the device does not offer any additional pressure support. If the patient does not reach the flow target the device will dynamically change pressure support breath to breath.
Does the BiPAP autoSV operate like an Auto CPAP or Auto Bi-level device for treating obstructive events?
No – The device does not have an auto-titrating algorithm to alleviate obstructive events. The innovative algorithm was designed to treat complex apnea and periodic breathing. The obstructive component of SDB is treated utilizing a clinician adjustable CPAP or BiPAP pressure level.
Which patient types can utilize the device?
The device is designed to treat complicated breathing patterns. Complicated breathing patterns are mixed breathing patterns with OSA, Central, Mixed/Complex Sleep apneas and periodic breathing components, such as Cheyne-Stokes Respiration (CSR).
Is it necessary to titrate these patients?
Yes. To treat the complexity of this patients as well as establish a baseline CPAP or BiPAP pressure for OSA, an in lab titration is necessary.
Which type of mask I can use with this device?
The BiPAP autoSV can work with almost every mask type. However, controlling unintentional leak is very important for the algorithm to work effectively. If a patient presents with higher than expected leaks, move them to a full-face type of mask.
How long does it take before the patient’s periodic breathing is stabilized?
After 2 – 4 cycles of periodic breathing the patient’s breathing pattern is typically stabilized.
Which modes are possible with the BiPAP autoSV?
BiPAP autoSV is intended to be used as an auto-servo ventilator. However a variety of therapy treatments are available utilizing the 3 different pressure settings on the device. (EPAP, IPAPmin, IPAPmax). With these three pressure settings the device can be set to deliver CPAP, CPAP with autoSV, BIPAP and BiPAP with autoSV
Is it possible to use BiPAP autoSV patients with COPD, OHS and NMD?
The BiPAP autoSV is designed to treat complicated breathing patterns in sleep patients. Nevertheless, utilizing the 3 different pressure settings and a standard backup rate of 4 -30bpm, the device can be set similar to that of a standard S/T device. The ASV algorithm is not able to assure a volume which would be most beneficial for these types of patients.
Is a Bi-level S/T device better for these patients (COPD, OHS and NMD)?
A Bi-level ST device would be better for these types of patients. Experience with the VPAP adapt on these patients showed that over time the device can not treat them as well.
Will the patient require an in-lab sleep study with our BiPAP autoSV in order to be placed on the device at home?
Yes. To treat the complexity of this patients as well as establish a baseline CPAP or BiPAP pressure for OSA, an in lab titration is necessary.
If so, will this differ from RMD?
No.– In general an in-lab titration is appropriate. Remember, we handle complicated breathing patterns with changing conditions.
About Respironics
- Respironics is the leading provider of innovative solutions for the global sleep and respiratory markets. The Company’s success spans more than three decades and can be traced to a history deeply rooted in ingenuity and a passion to deliver solutions to those in need. This tradition of innovation, combined with an ability to anticipate market needs, is fundamental to the Company. It has made Respironics a name acknowledged worldwide as a pace-setter in the sleep and respiratory markets.
Respironics’ success can be attributed, in part, to its ability to anticipate the needs of the markets it serves, and to provide a range of solutions to address market challenges. Known for expertise in its core areas of sleep and respiratory, the Company is aggressive in its cultivation of promising opportunities such as delivering drugs via the respiratory pathway, seeking methods to assist “problem sleepers” and evolving educational programs to help caregivers in the Neonatal Intensive Care to nurture premature and ill newborns.
Respironics is organized into three primary groups: the Sleep and Home Respiratory Group, the Hospital Group, and the International Group. This decentralized business structure helps to ensure that the Company’s resources are channeled to efficiently meet specific market needs. Each group also has a comprehensive understanding of their markets—from present day healthcare business challenges to future opportunities for emerging technologies and exploration beyond traditional sleep and respiratory markets.
Within each group, there are three separate business units each with a specific mission to either broaden and expand existing business strongholds, or advance new and emerging markets. Empowered to innovate and problem-solve, each business unit contributes to the strength of the Company through the broad spectrum of solutions that it offers the global markets it serves.
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