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PubMed This is a summary of 15 peer-reviewed journal articles Updated
Otolaryngology

Monitoring Your Progress and Managing Recurrence

At a Glance

Functional Endoscopic Sinus Surgery (FESS) provides relief for chronic ethmoidal sinusitis, but it is not a permanent cure. Long-term disease control requires daily maintenance with saline rinses and topical steroids, along with regular endoscopic monitoring to catch early recurrence.

Surgery for chronic ethmoidal sinusitis is often a turning point, but it is rarely the end of the journey. Because this condition is caused by chronic inflammation of the sinus lining, Functional Endoscopic Sinus Surgery (FESS) serves as a “functional reset” rather than a permanent cure [1]. Understanding what happens after surgery is the key to maintaining long-term relief and a high quality of life.

Understanding the Risk of Recurrence

It is common for sinus inflammation to return, even after a successful surgery. The risk of recurrence depends heavily on your specific “endotype”—the underlying biological cause of your inflammation [2].

  • AERD and Aggressive Polyps: Patients with Aspirin-Exacerbated Respiratory Disease (AERD) have significantly higher rates of polyp recurrence compared to other patients [3].
  • Eosinophils as Predictors: If your pathology report shows high levels of eosinophils (a type of immune cell) in your sinus tissue, you may be at a higher risk for early recurrence and may eventually require revision surgery [4][5].
  • Asthma Connection: Having asthma alongside your sinus disease is often a sign of more severe “Type 2” inflammation, which can make long-term management more challenging [6].

The Standard of Long-Term Care

Because surgery only fixes the “plumbing” (opening the sinus air cells) and not the underlying “biology” (the immune system’s overreaction), daily maintenance is required to keep the sinuses healthy [7][1].

  1. Topical Maintenance: Using intranasal corticosteroids (sprays or rinses) every day is the most important step in preventing new polyp growth [1]. Some patients benefit from specialized “exhalation-delivery systems” that help the medicine reach deeper into the sinus cavities [8].
  2. Saline Irrigation: Daily high-volume rinses continue to be essential after surgery to clear out allergens and keep the newly opened passages clean [9].
  3. Endoscopic Monitoring: Your doctor will likely schedule regular “check-ups” using a nasal endoscope (a small camera). This allows them to see inflammation or tiny polyps forming long before you feel any symptoms, allowing for early treatment [10][11].

Quality of Life and Managing Expectations

Chronic ethmoidal sinusitis affects more than just your nose; it impacts your sleep, energy levels, and overall well-being. Doctors often use the SNOT-22 survey to measure these impacts and track your progress [12]. This survey doesn’t just ask about mucus and congestion; it validates the emotional and physical toll of the disease by measuring non-nasal impacts like sleep disruption, fatigue, decreased productivity, and frustration.

One of the most significant issues for patients is hyposmia (a reduced sense of smell) [13]. While FESS can restore smell for many by clearing the physical blockage, some patients may need additional help. Newer biologic therapies (like dupilumab) have shown significant success in restoring the sense of smell for those with severe, recurring disease [14][15].

Ultimately, the goal of long-term care is “disease control”—a state where your symptoms are minimal, your sense of smell is functional, and you can live your life without the constant burden of sinus pressure and congestion [10].

Common questions in this guide

Why do nasal polyps and sinus inflammation sometimes return after surgery?
Surgery opens the sinus passages, but it does not cure the underlying immune system overreaction that causes inflammation. Conditions like asthma, high eosinophil levels, or AERD can increase the likelihood of sinus inflammation and polyps returning.
What daily maintenance is required after ethmoid sinus surgery?
Long-term care typically involves daily high-volume saline irrigations to keep the passages clean and flush out allergens. You will also likely need to use daily intranasal corticosteroid sprays to prevent new polyp growth.
Will my sense of smell completely return after sinus surgery?
While surgery often restores the sense of smell by clearing physical blockages, it does not guarantee a full recovery for everyone. If your sense of smell remains impaired after surgery, your doctor may recommend newer biologic medications.
What is the SNOT-22 survey used for?
The SNOT-22 survey is a tool your doctor uses to measure the physical and emotional impact of your chronic sinusitis. It tracks symptoms like congestion, sleep disruption, and fatigue to ensure your long-term maintenance plan is working.

Questions to Ask Your Doctor

Curated prompts to bring to your next appointment.

  1. 1.What is my specific 'endotype' (inflammatory profile), and how does that affect my risk of recurrence?
  2. 2.If I have AERD, how often should I be coming in for endoscopic monitoring to catch early polyp regrowth?
  3. 3.Are there specialized delivery methods for my steroid medication, like an exhalation system, that might work better for me?
  4. 4.If my sense of smell does not return after surgery, what are my options for further treatment, such as biologics?
  5. 5.Can we review my SNOT-22 scores together to see if my current maintenance plan is working as well as it should?

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 (15)
  1. 1

    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
  2. 2

    Innovative treatments for severe uncontrolled chronic rhinosinusitis with nasal polyps.

    Huang Y, Zhang N, Bachert C

    Expert review of clinical immunology 2023; (19(8)):837-845 doi:10.1080/1744666X.2023.2206120.

    PMID: 37083285
  3. 3

    Management of Aspirin-Exacerbated Respiratory Disease: What Does the Future Hold?

    O'Brien EK, Jerschow E, Divekar RD

    Otolaryngologic clinics of North America 2024; (57(2)):265-278 doi:10.1016/j.otc.2023.09.006.

    PMID: 37833102
  4. 4

    Clinical characteristics in Japanese patients with chronic rhinosinusitis who underwent endoscopic sinus surgery.

    Inoue N, Hirota T, Hatano A, et al.

    Auris, nasus, larynx 2024; (51(2)):286-294 doi:10.1016/j.anl.2023.09.007.

    PMID: 37839999
  5. 5

    Inflammatory features and predictors for postsurgical outcomes in patients with nasal polyps stratified by local and systemic eosinophilia.

    Pan L, Liao B, Guo CL, et al.

    International forum of allergy & rhinology 2021; (11(5)):846-856 doi:10.1002/alr.22702.

    PMID: 33012136
  6. 6

    Impact of Comorbid Asthma on Life Quality of Patients with Chronic Rhinosinusitis and Nasal Polyps.

    Wu PW, Chang PH, Huang CC, et al.

    Journal of asthma and allergy 2025; (18()):567-578 doi:10.2147/JAA.S517258.

    PMID: 40260102
  7. 7

    Effect of Functional Endoscopic Sinus Surgery on Functional and Symptomatic Outcomes in Patients with Chronic Rhinosinusitis: A Cross Sectional Study.

    Migha KP, Vasu RK, Reynolds AM

    Indian journal of otolaryngology and head and neck surgery : official publication of the Association of Otolaryngologists of India 2023; (75(4)):3326-3331 doi:10.1007/s12070-023-03953-5.

    PMID: 37974850
  8. 8

    Exhalation Delivery Systems for Application of Intranasal Corticosteroids.

    Kovacs AJ, Adappa ND, Kuan EC

    Ear, nose, & throat journal 2021; (100(5)):309-313 doi:10.1177/0145561320980194.

    PMID: 33305974
  9. 9

    The effects of nasal irrigation with various solutions after endoscopic sinus surgery: systematic review and meta-analysis.

    Chen XZ, Feng SY, Chang LH, et al.

    The Journal of laryngology and otology 2018; (132(8)):673-679 doi:10.1017/S0022215118000919.

    PMID: 30070184
  10. 10

    European Position Paper on Rhinosinusitis and Nasal Polyps 2020.

    Fokkens WJ, Lund VJ, Hopkins C, et al.

    Rhinology 2020; (58(Suppl S29)):1-464 doi:10.4193/Rhin20.600.

    PMID: 32077450
  11. 11

    Real-life study showing uncontrolled rhinosinusitis after sinus surgery in a tertiary referral centre.

    van der Veen J, Seys SF, Timmermans M, et al.

    Allergy 2017; (72(2)):282-290 doi:10.1111/all.12983.

    PMID: 27392210
  12. 12

    The 22-item Sino-Nasal Outcome Test accurately reflects patient-reported control of chronic rhinosinusitis symptomatology.

    Gray ST, Phillips KM, Hoehle LP, et al.

    International forum of allergy & rhinology 2017; (7(10)):945-951 doi:10.1002/alr.21992.

    PMID: 28753732
  13. 13

    Olfactory Dysfunction is not a Determinant Of Patient-Reported Chronic Rhinosinusitis Disease Control.

    McCann AC, Trope M, Walker VL, et al.

    The Laryngoscope 2021; (131(7)):E2116-E2120 doi:10.1002/lary.29280.

    PMID: 33300623
  14. 14

    Biologics for chronic rhinosinusitis with nasal polyps.

    Bachert C, Zhang N, Cavaliere C, et al.

    The Journal of allergy and clinical immunology 2020; (145(3)):725-739 doi:10.1016/j.jaci.2020.01.020.

    PMID: 32145872
  15. 15

    Dupilumab in CRSwNP: Responder Analysis Using Clinically Meaningful Efficacy Outcome Thresholds.

    Chuang CC, Guillemin I, Bachert C, et al.

    The Laryngoscope 2022; (132(2)):259-264 doi:10.1002/lary.29911.

    PMID: 34817082

This page provides educational information about managing chronic ethmoidal sinusitis after surgery. Always consult your ENT or allergist for a personalized long-term care plan and to discuss any changes in your symptoms.

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