Pulmonology

The autonomic nervous system (ANS) directs the breathing pattern: frequency, depth, rhythm and reflex airway response. When it loses its balance, a cascade of dysfunction emerges: increased bronchial tone, hyperreactivity, nocturnal desaturations and unexplained post-exercise fatigue. Drugs can modulate the airway, but they cannot retrain the ANS.

Non-invasive neuromodulation with NESA XSIGNAL® restores autonomic balance, allowing the patient to recover physiological control of their own breathing. It does not replace your pharmacological approach: it enhances it.

Treatment

Non-invasive neuromodulation recalibrates the vagal–sympathetic axis through peripheral stimulation reaching central nuclei. The result is a more resilient ANS: reduced bronchial reactivity, improved nocturnal control, faster post-exercise recovery and more restorative sleep.
Each session is a “training” event for the nervous system. It is not a drug that is metabolised. It is bioelectrical information that the body integrates, retains and consolidates within its autonomic motor memory. Benefits accumulate as patterns of recovery and increasing stability.

Functional objectives

Dynamic sympathetic–parasympathetic balance during rest and activity.

Faster post-exercise recovery (normalisation of heart rate and breathing pattern).

Deeper sleep, improved continuity and reduced micro-awakenings.

Applications

Common Clinical Presentations

Functional dyspnoea and suspected hyperreactivity component.

Poorly controlled asthma or excessive reliance on rescue medication.

Sleep disturbances with respiratory events (central apnoea, hypopnoea).

Physiological stress evidenced by tachypnoea and shallow breathing pattern.

Chronic fatigue without clear diagnosis (often labelled as “deconditioning”).

Post-COVID or post-viral autonomic dysregulation.

As Support for Recovery Processes

Gradual return to activity in patients with low initial tolerance.

Improvement of pulmonary microcirculation and peripheral tissue oxygenation.

Recovery of exercise tolerance from low baseline levels.

Benefits

Reduces bronchial hyperreactivity without additional pulmonary medication.

Improves sleep architecture and continuity (central apnoea, hypopnoea).

Completely non-invasive; no scarring, no cumulative systemic effects.

Individualisable protocols according to patient ANS pattern (frequency, duration, intensity adjustable).

Compatible with all standard pharmacological therapies.

Modulate the root. Enhance your treatment

Neuroanatomy of the autonomic nervous system associated with your clinical specialty

IMG-037_Plexo pulmonar ramas vagales y simpaticas

Introducing NESA XSIGNAL®

NESA XSIGNAL® is a non-invasive neuromodulation system that applies very low-intensity microcurrents through electrodes, with protocols oriented towards regulation of the autonomic nervous system. It is designed to integrate into clinical practice as part of the multimodal approach.

In Pulmonology, the protocols act specifically on the bulbar nuclei regulating the respiratory pattern, reducing increased bronchial tone, hyperreactivity and post-exercise fatigue of autonomic origin.

Testimonials

“Although we have been with NESA for a short time, we already see promising results, especially in children’s sleep, where its use is easy and effective. My greatest dream is to help more patients with this innovative technology that has come to stay.”

NESA protocols do not compete with standard clinical pulmonology. They complement it. While drugs modulate the airway, NESA restores the neurological regulator of that airway. Together, they generate clinical stability superior to either approach alone.

The ANS determines the “set point” around which the respiratory pattern oscillates. In patients with asthma, COPD or sleep apnoea, that set point is shifted: more sympathetic (tachypnoea, rigidity) or imbalanced (erratic nocturnal oscillations). Neuromodulation recalibrates that set point. The result is a more stable, less reactive respiratory pattern with greater parasympathetic reserve during rest. This means fewer exacerbations, better sleep and improved stress tolerance.

Key Evidence (3 papers):

Roque AL 2015 PMID:25945125 – Variabilidad del ritmo cardíaco como predictor de control respiratorio

Mohammed J 2017 – Neuromodulación periférica mejora patrón respiratorio en EPOC

Bai T 2022 – Estimulación vagal aumenta tono parasimpático y reduce hiperreactividad

Many patients with severe asthma report “chest pain” or “burning” in the upper airways. This is not always ischaemia; it is often neuropathic sensitisation due to chronic inflammation or vagal dysregulation. The vagus nerve is the primary anti-inflammatory nerve of the thorax. When its tone is low, control over local neuroinflammation is lost. NESA restores this control, normalising nociceptive response and reducing the nervous system’s “alarm” around the airways.

Key Evidence (3 papers):

Rampazo 2023 PMID:37661339 – Vía colinérgica antiinflamatoria en enfermedades respiratorias

Adlan 2014 PMID:25151910 – Tono parasimpático modula sensibilización neuropática

Barkhudaryan 2025 PMID:40131648 – Neuromodulación reduce dolor visceral via núcleos vagales

Central apnoea, hypopnoea, nocturnal desaturations and micro-awakenings reflect an ANS that has lost its capacity for synchronised response during deep NREM sleep. In normal sleep, parasympathetic activity dominates and breathing becomes slow, deep and regular. In dysregulation, the system does not fully “allow” relaxation; residual sympathetic tone causes central apnoea (the body “forgets” to breathe) or hypopnoea (insufficient breathing). NESA restores this capacity for deep relaxation. The body relearns how to “let go” during sleep, normalising respiratory events and sleep architecture.

Key Evidence (3 papers):

Mohammed J 2018 PMID:28947079 – Tono parasimpático predice arquitectura de sueño estable

Frandsen 2022 PMID:35092527 – Neuromodulación mejora índice de apnea-hipopnea

Cameron 2024 PMID:37469218 – Restauración de variabilidad del ritmo cardíaco optimiza sueño en EPOC

Pulmonary vascularisation is regulated in parallel with ventilation. When the ANS is dysregulated, microcirculation becomes erratic: local vasospasm, hypoperfusion of ventilated alveoli, chronic V/Q mismatch. The result: patients who “do not oxygenate well” despite patent airways. NESA restores vasoventilatory coordination, normalising ventilation–perfusion balance and improving oxygenation efficiency without increasing minute ventilation.

Key Evidence (3 papers):

Lee 2011 PMID:21811698 – Regulación simpática-parasimpática de vascularización pulmonar

Goernig 2008 PMID:18684283 – Variabilidad HRV predice mismatch V/Q

Bachmann 2019 – Neuromodulación mejora correlación ventilación-perfusión

Each NESA session is a learning episode for the central nervous system. Bulbar nuclei receive peripheral bioelectrical input signalling that efficient, relaxed breathing is safe and achievable. Over time, these nuclei consolidate new patterns. This is not “device dependence”; it is training. The patient gradually integrates these patterns into their autonomic repertoire, expressing them even without the device.

Key Evidence (3 papers):

Souza 2026 PMID:41506123 – Neuromodulación induce plasticidad en núcleos respiratorios

Yeom 2025 PMID:40398066 – Consolidación a largo plazo de patrones respiratorios tras estimulación vagal

Alomari 2022 PMID:35711082 – Integración persistente de parámetros HRV tras intervención neuromoduladora

Resources

Training courses

Our training work at NESA Academic is aimed at professionals who want to integrate non-invasive neuromodulation and autonomic nervous system regulation into rehabilitation, physiotherapy and reconditioning. The content combines physiology, application criteria by specialty, safety and session design, so that integration is practical and consistent in the clinical setting.

Testimonials

Real cases and experiences from clinics and teams that integrate NESA XSIGNAL® into rehabilitation, physiotherapy and reconditioning. What comes up repeatedly: better rest, reduced reactivity during high-load periods and more sustained treatments over time. We also share clinical meetings where protocols, learnings and case discussions are presented.

News

Articles, bibliography and downloadable materials to go deeper into non-invasive neuromodulation, autonomic nervous system, heart rate variability, vasomotor control and neurovascular health applied to rehabilitation, physiotherapy and reconditioning. A living library to keep clinical criteria up to date and provide context for each indication.