What Your Annual CPAP Review Involves in Europe and How to Prepare for the Appointment
Your annual CPAP review appointment renews your prescription and, across the EU, your fitness to drive
One data download, two things renewed at once - here is what your clinician checks, and what to say when therapy is not working.
What an annual CPAP review appointment actually involves
An annual CPAP review appointment is a scheduled consultation where a clinician reads the therapy data your machine recorded over the past year, confirms the treatment still works, renews your prescription, and in most European countries signs the periodic medical review that keeps your driving licence valid. Many are short remote consultations. Your numbers are on the clinician's screen before you say a word, so the preparation that counts is knowing what they say. Our guide to reading your own CPAP therapy data takes them one by one.
The structure is consistent across European sleep services, and follows the logic set at your first sleep clinic visit. Six things get checked.
- Usage - hours per night, and on how many nights.
- Residual apnoea-hypopnoea index (AHI) - events your machine still detects on therapy.
- Mask leak - litres per minute, and how often it spikes.
- Pressure - the 95th percentile pressure (P95) and the median pressure delivered.
- Symptoms - sleepiness re-scored on the Epworth Sleepiness Scale (ESS), weight, blood pressure.
- Equipment - mask condition, consumables replacement schedule, device end-of-life.
The NG202 evidence review (NICE, 2021) describes UK practice as a sleep specialist follow-up one month after CPAP starts "and then per annum thereafter". That yearly rhythm is the European norm.
- The review covers usage, residual AHI, leak, pressure, symptoms and equipment.
- It renews two things: your prescription and, for drivers, your fitness-to-drive record.
The therapy data your clinician sees before you speak
Your machine stores every night of treatment and, with your consent, sends it to a clinician portal run by the device manufacturer. Some services still take an SD card download at the desk. Either way the output is one therapy report, night by night.
| Metric | What it measures | What prompts a question |
|---|---|---|
| Usage hours per night | Therapy time, counted from the first minute of effective use | A national threshold missed, or a sharp mid-year drop |
| Residual AHI | Events the algorithm still detects on therapy | Around 5 per hour or above, or a rising trend |
| Mask leak rate (L/min) | Air escaping around or through the mask | Sustained leak, which makes the AHI figure unreliable |
| 95th percentile pressure | Pressure delivered for 95% of the night | Sitting at the ceiling of the auto-titrating CPAP (APAP) range |
| Event breakdown | Obstructive versus central events | A rising central share, suggesting treatment-emergent central sleep apnoea |
Two numbers cause most of the confusion. Your diagnostic AHI came from a scored sleep study, polysomnography (PSG) or respiratory polygraphy, where a technician counted real events. Your residual AHI is the machine's estimate, produced by pressure and flow algorithms. A device can display 3.2 while your clinician still has concerns, because algorithm-detected events miss some hypopnoeas and heavy mouth leak buries others.
Comfort settings sit in the same report. Expiratory pressure relief (EPR) and ramp change how therapy feels, not how well it works. Humidifier setting and heated tubing matter once you mention a dry throat or rainout.
- Your clinician reads a therapy report, pulled remotely or from an SD card download.
- Residual AHI is an estimate, and high leak makes it look better than it is.
Where the standard advice on CPAP follow-up breaks down
Nearly every guide to the annual CPAP review appointment repeats the same two errors.
The first is the compliance number. Article after article quotes "four hours a night on 70% of nights" as if it were a clinical fact. It is a United States insurance rule, and no European system covered below applies it. A French patient is measured against 112 hours per 28 consecutive days, a Belgian against a two-month average, a German against no hour rule at all.
The second is treating the yearly visit as servicing. Filters, tubing, a new cushion. In the European Union this appointment is also the periodic medical review that Directive 2014/85/EU attaches to a driving entitlement for treated moderate or severe obstructive sleep apnoea syndrome. Skip it and a professional driver has a licensing problem.
The Manchester cohort of 280 patients (Journal of Clinical Medicine, 2024) is the most useful of those. At 24 months, 107 people (38%) were fully adherent. Only 22% were adherent at every timepoint, 42% never were, and 36% moved in and out. Published non-adherence rates run from 46% to 83% (Pulmonary Therapy, 2020). Most people are not a fixed type, which is what a yearly review catches.
- The "4 hours on 70% of nights" rule is American insurance policy, not European medicine.
- Adherence fluctuated for 36% of that cohort, so one good year proves little.
- Your review is a licensing document as well as a clinical one.
The adherence threshold your download is scored against
Your annual CPAP review appointment scores you against a national rule, not a European one. Falling short costs anything from a phone call to your reimbursement. Find your row.
| Country | What your data is scored against | If you fall short |
|---|---|---|
| France | 112 hours of effective use per 28 consecutive days, sent by télésuivi with your consent (Legifrance, 2017) | 56 to under 112 hours drops you to the reduced Forfait 9.TL2. Under 56 hours is classed "mediocre" (9.TL3). Refusing data-transmission consent means Forfait 9.SRO regardless of real use |
| Belgium | At least 4 hours per night averaged over a reference period of two months or more, in 12-month renewal cycles (INAMI/RIZIV convention) | The centre contacts you, then issues a 3-month "joker" renewal, and continued shortfall ends treatment with a one-year ineligibility and a repeat diagnostic workup |
| United Kingdom | No hour rule in the guideline, only the NICE NG202 pathway for OSAHS, with follow-up at one month then annually | Handled clinically, but the driving-licence review clock runs regardless |
| Germany | No fixed hour rule, with a first Nachkontrolle about six months after the Schlaflabor stay, then an annual specialist effectiveness check | Therapy is reviewed rather than scored, and settings are re-checked, often with a small screening device between mask and tubing |
The French rule is unusually mechanical. Hours count from the first minute of effective use each day, the tier applies automatically, and no clinician sits between your usage and your reimbursement. Belgium works the other way round.
- France: 112 hours per 28 days, three payment tiers, applied without a clinician.
- Belgium: 4 hours nightly averaged over two months, with a three-month grace renewal.
- UK and Germany judge whether therapy works, rather than counting hours.
Why your annual CPAP review appointment also renews your driving licence
Under Directive 2014/85/EU (EUR-Lex, 2014), drivers treated for moderate or severe obstructive sleep apnoea syndrome must undergo periodic medical review at intervals "not exceeding three years for drivers of group 1 and one year for drivers of group 2". It must assess treatment compliance, continued need for treatment, and maintained vigilance. Every member state has transposed it.
The same directive fixes the thresholds. Moderate OSAS means an AHI between 15 and 29 with excessive daytime sleepiness, while severe means 30 or more, also with sleepiness. Group 1 is cars and motorcycles, and Group 2 is lorries, buses and taxis.
In the UK, the DVLA reviews Group 1 drivers at least every three years and Group 2 drivers at least annually. You must tell DVLA about confirmed moderate or severe OSAS with excessive sleepiness, and about suspected or confirmed mild OSAS. The UK Sleep Apnoea Trust adds the practical detail: the format is at the clinic's discretion, from a phone call to a clinic visit, and it is your responsibility to book in good time.
- EU law caps the interval at three years for Group 1 and one year for Group 2 drivers.
- Booking it in time is your responsibility, not the clinic's.
When the data looks fine and you still feel exhausted
This is the most common thing patients bring to an annual CPAP review appointment, and the least covered online. Residual AHI under 5. Leak acceptable. Six hours a night. Still wiped out by three in the afternoon.
The data is not wrong, it is incomplete. It says nothing about sleep architecture, leg movements, or the other reasons a person stays tired. Ask your clinician to work the differential rather than accept reassurance from a clean download.
- Treatment-emergent central sleep apnoea, or complex sleep apnoea, showing as a rising central share.
- Comorbid insomnia, which CPAP does not treat and behavioural therapy often does.
- Periodic limb movements, invisible to any CPAP machine.
- Mouth leak the leak figure under-reports, and a chin strap or a nasal to full-face mask switch can settle it.
- Untreated nasal obstruction - nasal congestion, rhinitis or a deviated septum raising the pressure you need.
- Aerophagia, swallowed air, which fragments sleep without touching your AHI.
- Non-respiratory causes such as thyroid problems, low mood, or medication side effects.
What gets ordered next depends on which one fits: a re-scored ESS against your baseline, overnight oximetry reading the oxygen desaturation index (ODI) and SpO2 nadir, a repeat respiratory polygraphy or full PSG, or a CPAP re-titration study. Our guide to when a follow-up sleep study is justified sets out the usual triggers.
If the review concludes CPAP is not working for you
Some reviews end with an honest verdict of CPAP intolerance. European practice then turns to non-CPAP options. These include a mandibular advancement device (MAD) or orthèse d'avancée mandibulaire fitted by a dentist, positional therapy where your study shows positional OSA, weight change since diagnosis tracked with BMI, surgery for nasal obstruction, or a small device worn inside the nostril. Ask which of these your local service funds, because treatment choice in mild-to-moderate sleep apnoea varies widely across Europe.
The Back2Sleep nasal stent belongs in that last group. It is a CE-certified Class I soft silicone tube that keeps the nasal airway open during sleep, bought without a prescription and paid for out of pocket. It is for snoring and mild-to-moderate OSA. It is not a CPAP replacement, and not an option at an AHI of 30 or above. If your licence depends on documented CPAP use as a Group 2 driver, stopping therapy carries legal consequences, so that decision belongs with your clinician.
- A clean therapy report does not rule out another sleep disorder.
- Bring the symptom, not only the number, and ask for the differential by name.
How to prepare for your annual CPAP review appointment
Start two weeks out. Each step takes minutes and changes what the clinician can do.
1Log fourteen nights
Note bedtime, wake time, how you felt next day, and every mask event: a leak that woke you, a night you gave up.
2Re-score your Epworth
Score the Epworth Sleepiness Scale yourself and bring the number. Your baseline sits in your file from diagnosis, and the comparison beats "about the same, I think".
3Record your weight change
Compare today's weight with your weight at diagnosis, with BMI if you have it. Gaining may leave you under-treated, and losing may leave you over-treated.
4Bring the mask you really use
Not the one issued at setup. If you switched style, bought your own cushions, or added a chin strap, the clinician needs the real thing and its age.
5Pull your own report first
Check usage, residual AHI and leak with your provider or companion app first. Knowing your figures turns a readout into a consultation.
- Two weeks of symptom notes outperform a year of memory.
- A self-scored ESS and a weight comparison hand over two trends instantly.
Phone review, clinic visit, or a repeat sleep study
A remote annual CPAP review appointment is standard European practice when your data is stable. The European Respiratory Society published a statement on advanced telemedicine for obstructive sleep apnoea, known as e-Sleep, in 2025. It covers teleconsultation for reviewing sleep studies, teletransmission of raw data, and unsupervised home APAP titration with telemonitoring. Phone or video is accepted practice, not a downgrade.
Remote monitoring is still no substitute for the human appointment. A meta-analysis of 19 randomised controlled trials in 2,464 patients (Therapeutic Advances in Chronic Disease, 2020) found telemonitoring raised CPAP use by 0.68 hours per night (95% CI 0.48-0.89) and improved the odds of being compliant (OR 1.81, 95% CI 1.33-2.46). The gain held at three months or less, at 0.79 hours per night (95% CI 0.56-1.01). Beyond three months it was not significant, at 0.26 hours (95% CI -0.20 to 0.71). Telemonitoring gets people started. The yearly conversation keeps them going.
Ask for an in-person visit when sleepiness persists despite a good download, when central events rise, when the mask no longer fits, or when a Group 2 review is due. Ask about repeat testing after symptoms return, major weight change, or upper-airway surgery.
- Remote annual reviews have explicit European professional backing.
- Telemonitoring's adherence benefit fades after three months, which is why the yearly human check matters.
Prescription renewal, replacement kit, and the price of skipping it
In many European systems you do not own your machine. France rents it through a prestataire de santé a domicile, reimbursed as a weekly forfait under the LPPR. Germany issues it as a Hilfsmittel from a Krankenkasse-contracted supplier, with a one-off 10% copayment of minimum EUR 5 and maximum EUR 10 according to Techniker Krankenkasse. Replacement is a payer decision taken at a review, not a subscription you renew yourself.
Settle three things before the call ends. Ask for your prescription renewal in writing, the ordonnance de renouvellement in France. Ask for the consumables replacement schedule: cushions, headgear, filters, tubing. Ask when your device reaches end-of-life and what evidence the payer needs to approve a new one.
Missing it costs different things in different countries. In France a missed télésuivi window can step you down a reimbursement tier automatically. In Belgium repeated shortfall produces a three-month renewal, then termination with a one-year ineligibility and a repeat of the whole diagnostic workup. In the UK your licence review period expires whether or not anyone reminds you.
- Equipment is rented or loaned in many EU systems, so replacement is approved at the review.
- Leave with a renewed prescription, a consumables schedule, and a device end-of-life date.
- A missed review can cost reimbursement tiers, treatment entitlement, or a licence.
What Back2Sleep Users Say
Frequently Asked Questions
How often should I see my sleep doctor after starting CPAP?
Most European services see you about a month after CPAP starts, then once a year. The NICE NG202 evidence review (2021) describes exactly that pattern for the UK. Extra appointments are triggered by weight change, new symptoms, mask problems or a device fault, and you can request one at any time.
Will I need another sleep study at my annual CPAP review?
Usually not. A stable therapy report with a low residual AHI and acceptable leak replaces routine retesting. Your clinician orders repeat respiratory polygraphy, polysomnography or a re-titration study when symptoms return despite good data, when central events rise, or after major weight change or upper-airway surgery.
What happens if I miss my annual CPAP review appointment?
It depends on your country. In France a missed data-transmission window can drop your reimbursement tier automatically, with no clinician involved. In Belgium repeated shortfall gives a three-month renewal, then termination with a one-year ineligibility and a full repeat workup. In the UK your driving-licence review clock keeps running.
Can I have my CPAP review over the phone?
Often yes. The European Respiratory Society's 2025 statement on advanced telemedicine for sleep apnoea supports teleconsultation and remote data transmission. Phone or video reviews suit stable patients with good downloads. Ask for an in-person visit if you have new sleepiness, suspected central events, mask failure, or a Group 2 driving review.
What is a good residual AHI on CPAP?
Clinicians generally look for a residual AHI under 5 events per hour. The figure is an algorithm estimate, not scored data, and high mask leak can hide events and flatter it. A residual AHI of 3 alongside persistent daytime sleepiness still deserves investigation rather than reassurance.
Do I have to tell the DVLA or my national licensing authority that I use CPAP?
In the UK you must tell DVLA about confirmed moderate or severe OSAS with excessive sleepiness, and about suspected or confirmed mild OSAS. Across the EU, Directive 2014/85/EU (2014) requires periodic medical review at most every three years for Group 1 drivers and every year for Group 2.
Should I book a CPAP review if I have lost 10 kg?
Yes. Significant weight change alters the pressure you need, and some people become over-treated after losing weight. Bring your weight at diagnosis and today. Your clinician may re-check settings, review your therapy report, or arrange a home sleep apnoea test to see whether the diagnosis still stands.
What should I bring to my CPAP review appointment?
Bring the mask you actually sleep in, not the one you were issued, plus your machine or its SD card if the clinic asks. Add a two-week symptom log, a fresh Epworth Sleepiness Scale score, your current weight, your medication list, and three written questions.
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