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Ultimate Comparison Ventilation:
ResMed Astral 150 vs Stellar 150 vs
Philips Trilogy Evo
Choosing the Right Portable or Stationary Ventilator
In the world of non-invasive and tracheostomy ventilation, selecting the right device is not just a clinical decision—it can be the difference between effective respiratory therapy and serious risk.
Whether you’re managing a patient with severe COPD, ALS, muscular dystrophy, or central hypoventilation, having the right ventilator tailored to the patient’s needs is essential.
This comprehensive guide compares three leading devices in respiratory care: ResMed Astral 150, ResMed Stellar 150, and Philips Trilogy Evo. We’ll explore their core features, clinical compatibility, mobility, monitoring capabilities, and connectivity options so you can make an evidence-based choice.
Comparison Table: Astral 150 vs Stellar 150 vs Trilogy Evo
| Feature | ResMed Astral 150 | ResMed Stellar 150 | Philips Trilogy Evo |
|---|---|---|---|
| Device Type | Advanced portable | Compact stationary | Advanced clinical portable |
| Ventilation Modes | VCV / PCV / IVAPS / S/T / PAC / CPAP | VCV / PCV / IVAPS / S/T / PAC / T / CPAP | CPAP / S / ST / T / PC / AVAPS |
| Smart Volume Mode | IVAPS | IVAPS (dual-limb compatible) | AVAPS |
| Dual Limb Compatibility | Not in IVAPS | Yes | Yes |
| Tracheostomy Support | Yes (active valve) | Full compatibility | Full compatibility |
| Expiratory Monitoring | Limited | Advanced | Advanced |
| Screen | Touchscreen | Color LCD (non-touch) | Full-color touchscreen |
| Remote Connectivity | No (manual download only) | No | Yes (WiFi, optional 4G) |
| Battery Duration | Up to 16 hours (dual battery) | Requires external module | Up to 15 hours (internal + optional battery) |
| Approx. Weight | 3.2 kg | 4.5 kg | 5 kg |
| Ideal for… | Mobile patients with basic to intermediate needs | Complex hospital patients with tracheostomy or dual-limb support | Chronic or acute patients needing remote monitoring and portability |
What Is IVAPS and Why Does It Matter?
IVAPS (Intelligent Volume-Assured Pressure Support) is a proprietary ResMed mode that automatically adjusts pressure support to maintain a target alveolar ventilation volume.
It is especially effective for patients with:
- Central hypoventilation syndrome
- ALS (Amyotrophic Lateral Sclerosis)
- Muscular dystrophy
The Stellar 150 stands out by allowing IVAPS in dual-limb circuits, providing more precise monitoring of exhaled volumes and improving clinical outcomes.
Philips offers a similar mode known as AVAPS (Average Volume Assured Pressure Support) in the Trilogy Evo, which adjusts inspiratory pressure to meet target tidal volumes over time.
Key Advantages of Each Ventilator
ResMed Astral 150: Lightweight and Highly Portable
- Designed for stable patients in home care
- Up to 16 hours of battery life
- Intuitive touchscreen interface
- Compact at just 3.2 kg
ResMed Stellar 150: Designed for Complex Needs
- Fully compatible with tracheostomy and dual-limb circuits
- Supports full IVAPS functionality
- Reliable and built for hospital-grade performance
- Ideal for complex chronic care or acute settings
Philips Trilogy Evo: Connectivity and Remote Monitoring
- Remote access via WiFi and optional 4G
- Modern touchscreen
- AVAPS mode ensures smart volume targeting
- Up to 15 hours of battery (internal + external)
- Suited for telemonitoring and long-term home ventilation
Frequently Asked Questions (FAQ)
Which ventilator is best for ALS patients?
The Stellar 150 is ideal for ALS or neuromuscular disease patients due to its full IVAPS support and dual-limb compatibility, offering more precise therapy.
Which ventilator offers the longest battery life?
The Astral 150 wins in autonomy, with up to 16 hours of use with its double battery setup, making it perfect for long days or home mobility.
Is remote monitoring available in any of these devices?
Yes. The Philips Trilogy Evo offers built-in connectivity via WiFi and optional 4G, enabling real-time monitoring through cloud platforms—essential for modern respiratory care at home.