Skip to content
How It Works
Explore
Resources Ask a Question
Who It's For
Patients
Decode results, prep for appointments, weigh options.
Caregivers & advocates
Carry the research load for someone you love.
Providers & clinicians
Resources for patients in your practice.
Log In Ask a Question
PubMed This is a summary of 14 peer-reviewed journal articles Updated
Otolaryngology · Unilateral Choanal Atresia

Post-Op Care, Monitoring, and the Risk of Restenosis

At a Glance

After unilateral choanal atresia surgery, recovery focuses on keeping the newly opened nasal passage clear to prevent it from re-closing (restenosis). Regular home care with saline drops, monitoring for recurring symptoms, and follow-up nasal endoscopies are essential for long-term success.

Once the surgery is complete, the focus shifts to ensuring the new nasal passage stays open while the tissue heals. Here is a general timeline of what you can expect during recovery:

  • The First Week: Your child will likely experience some nasal congestion, mild discomfort, and perhaps some light bloody discharge—all of which are normal parts of the healing process [1]. Pain is typically managed with standard over-the-counter pediatric medications as directed by your surgeon. Expect them to need a few days off from school to rest.
  • Return to Activities: Depending on your child’s age, they can usually return to school and light activities within a week or two, though strenuous sports might be restricted for several weeks.
  • New Sensations: It is helpful to warn your child that once the blockage is gone, their sense of smell and taste might suddenly become much stronger [2]. Air flow in a side that was previously completely blocked can feel strange at first, and foods may taste differently.

The Challenge of Restenosis

The primary goal of follow-up care is to prevent restenosis, which is the narrowing or re-closing of the newly created opening [3]. This occurs in a small percentage of cases and is usually caused by two factors:

  1. Inadequate Bone Removal: If enough of the vomer bone was not removed during the initial procedure, the body may try to “fill in” the gap as it heals [3][4].
  2. Granulation Tissue: This is a type of “over-healing” or “angry” scar tissue [5]. It often appears as soft, reddish, or bumpy tissue at the surgical site [6]. If left unchecked, this tissue can block the airway just as the original atresia did [3][7].

Monitoring and “Second-Look” Procedures

To catch these issues early, your surgeon will schedule regular follow-up visits. The first of these is usually scheduled about 1 to 3 weeks after the surgery.

The “gold standard” for monitoring is nasal endoscopy, where a small camera is used in the office to look directly at the surgical site [3][8].

  • Nasal Cleaning: During these visits, the doctor may perform a thorough nasal cleaning or debridement. This involves gently suctioning out mucus and removing any crusts or early granulation tissue to keep the airway clear [8].
  • Home Care: You will likely be asked to use saline nasal sprays or drops several times a day. This keeps the area moist and helps prevent the thick crusts that can lead to scarring [9].
  • Intervention: If the passage begins to narrow, the doctor may use local steroid injections or a brief “dilatation” (gently stretching the opening) to keep it open without needing another full surgery [10].

Signs to Watch For

As a parent, you are the best judge of how well your child is breathing. You should contact your surgical team if you notice a return of the “pre-op” symptoms, including:

  • Persistent, one-sided nasal discharge that won’t go away.
  • A return to chronic mouth breathing.
  • New or worsening snoring or “noisy” breathing from the affected side.

Long-Term Outlook

While the fear of the passage “closing back up” can be stressful, the long-term prognosis for unilateral choanal atresia is excellent [11][12]. When surgeons use modern techniques—such as adequate vomer removal and mucosal flaps—and avoid the irritation caused by traditional stents, the success rate for a permanent, open airway is very high [13][14]. Once the area has fully “mucosified” (meaning healthy, normal skin has grown over the surgical site), the risk of restenosis drops significantly, and most children go on to breathe normally for the rest of their lives [1][11].

Return to HomePage

Common questions in this guide

What should I expect during the first week after my child's choanal atresia surgery?
During the first week, it is normal for your child to experience some nasal congestion, mild discomfort, and light bloody discharge. Your surgeon will typically recommend standard pediatric pain relievers and a few days of rest before returning to school.
What is restenosis and why does it happen?
Restenosis is the narrowing or re-closing of the nasal passage that was opened during surgery. This complication usually happens if the body tries to fill in the surgical gap with bone, or if angry scar tissue, known as granulation tissue, begins to block the airway.
How is the surgical site monitored after the procedure?
Your surgeon will typically schedule a follow-up visit one to three weeks after the operation to perform a nasal endoscopy. They will use a small camera to look inside the nose and may gently suction out mucus or crusts to keep the airway clear.
What signs indicate that the nasal passage might be closing back up?
Watch for a return of the symptoms your child had before surgery. Key warning signs include persistent, one-sided nasal discharge, chronic mouth breathing, or a return of noisy breathing and snoring.
How can I care for my child's nose at home to prevent crusting?
Your doctor will likely ask you to use saline nasal sprays or drops several times a day. This routine keeps the nasal tissues moist, which prevents the formation of thick crusts that can lead to scarring.

Questions to Ask Your Doctor

Curated prompts to bring to your next appointment.

  1. 1.How often will you need to perform endoscopic 'second-look' procedures to clean out the new passage?
  2. 2.What is the specific home care routine (such as saline drops or suctioning) I should follow to prevent crusting?
  3. 3.What signs of restenosis—beyond a return of nasal discharge—should I be monitoring for?
  4. 4.If granulation tissue begins to grow, how do you typically treat it (e.g., steroid drops or office-based removal)?
  5. 5.How long after the surgery will we know if the opening is stable and likely to stay open long-term?

Questions For You

Tap a prompt to share your answer — we'll use it plus this page's context to start a tailored conversation.

References

References (14)
  1. 1

    [Treatment of congenital bilateral choanal atresia by low temperature plasma ablation and fully degradable sinus drug stent: a case report].

    Ding Z, Yang L, Liu Y, et al.

    Lin chuang er bi yan hou tou jing wai ke za zhi = Journal of clinical otorhinolaryngology head and neck surgery 2024; (38(9)):879-882 doi:10.13201/j.issn.2096-7993.2024.09.020.

    PMID: 39193751
  2. 2

    Unilateral Choanal Atresia: Indications of Long-Term Olfactory Deficits and Volumetric Brain Changes Postsurgically.

    Georgiopoulos C, Postler M, Rombaux P, et al.

    ORL; journal for oto-rhino-laryngology and its related specialties 2022; (84(2)):89-92 doi:10.1159/000520188.

    PMID: 34839294
  3. 3

    A recurrence analysis in patients with congenital choanal atresia.

    Yılmaz Topçuoğlu MS, Schuler PJ, Westhoff JH, et al.

    Journal of cranio-maxillo-facial surgery : official publication of the European Association for Cranio-Maxillo-Facial Surgery 2025; (53(9)):1571-1576 doi:10.1016/j.jcms.2025.07.003.

    PMID: 40628561
  4. 4

    [Endonasal endoscopic surgery of choanal atresia - long term results].

    Holtmann L, Stähr K, Kirchner J, et al.

    Laryngo- rhino- otologie 2018; doi:10.1055/s-0044-101464.

    PMID: 29421841
  5. 5

    Can a second look improve the outcome of endoscopic choanal atresia repair?

    AlKhateeb A, Alrusayyis D

    European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery 2024; (281(3)):1331-1336 doi:10.1007/s00405-023-08323-z.

    PMID: 37943318
  6. 6

    [Pyogenic granuloma of inferior turbinate: a case report].

    Zhang S, Liu Y, Jiang Z

    Lin chuang er bi yan hou tou jing wai ke za zhi = Journal of clinical otorhinolaryngology head and neck surgery 2015; (29(12)):1137-8.

    PMID: 26514014
  7. 7

    Stented and non-stented endoscopic techniques in bilateral choanal atresia repair: A systematic review and meta-analysis.

    Chowdhury R, Almutawa D, Almutairi NK, et al.

    International journal of pediatric otorhinolaryngology 2025; (196()):112494 doi:10.1016/j.ijporl.2025.112494.

    PMID: 40701136
  8. 8

    Evolution in the surgical management of chronic rhinosinusitis: Current indications and pitfalls.

    Kohanski MA, Toskala E, Kennedy DW

    The Journal of allergy and clinical immunology 2018; (141(5)):1561-1569 doi:10.1016/j.jaci.2018.03.003.

    PMID: 29605619
  9. 9

    Postoperative care in endoscopic sinus surgery: a critical review.

    Eloy P, Andrews P, Poirrier AL

    Current opinion in otolaryngology & head and neck surgery 2017; (25(1)):35-42 doi:10.1097/MOO.0000000000000332.

    PMID: 27846022
  10. 10

    Management of recurrent acquired choanal atresia with radial forearm free flap transfer.

    Hirayama H, Ishida K, Kishi K, et al.

    Ear, nose, & throat journal 2024; (103(10)):NP610-NP612 doi:10.1177/01455613211070894.

    PMID: 35176899
  11. 11

    Treatment of Congenital Choanal Atresia via Transnasal Endoscopic Method.

    Gulşen S, Baysal E, Celenk F, et al.

    The Journal of craniofacial surgery 2017; (28(2)):338-342 doi:10.1097/SCS.0000000000003247.

    PMID: 28045821
  12. 12

    Beyond the Blockage: Unveiling Diagnosis and Management of Choanal Atresia-A Case Series.

    Hameed S, Nayani D, Ashok RKP

    Indian journal of otolaryngology and head and neck surgery : official publication of the Association of Otolaryngologists of India 2023; (75(4)):3332-3336 doi:10.1007/s12070-023-03942-8.

    PMID: 37974756
  13. 13

    Cross-over septal flap technique for choanal atresia surgery in two centres: how I do it.

    Elhassan HA, Karligkiotis A, Searyoh K, et al.

    The Journal of laryngology and otology 2023; (137(8)):930-933 doi:10.1017/S0022215122001529.

    PMID: 36515068
  14. 14

    Performance of endoscopic repair with endonasal flaps for congenital choanal atresia. A systematic review.

    Bartel R, Levorato M, Adroher M, et al.

    Acta otorrinolaringologica espanola 2021; (72(1)):51-56 doi:10.1016/j.otorri.2020.01.002.

    PMID: 32439138

This page is for informational purposes only and does not replace professional medical advice. Always contact your pediatric ENT surgeon if you suspect your child's airway is narrowing or if pre-surgery symptoms return.

Get notified when new evidence is published on Choanal atresia, unilateral.

We monitor PubMed for new peer-reviewed studies on this topic and email a short summary when something meaningful changes.