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Deviated Nasal Septum (DNS) & Septoplasty

The nasal septum is the wall of cartilage and bone separating the left and right nasal passages. A Deviated Nasal Septum (DNS) is when this wall is bent or off-center, making one passage narrower than the other. An estimated 80% of people have a septum that is at least a little off-center, and most never notice until it causes recurring problems.

Causes​

  • Congenital: develops before birth as facial cartilage forms, or gets pushed out of alignment by pressure during a difficult birth/forceps delivery.
  • Growth and aging: during puberty, if septal cartilage grows faster than the surrounding bony frame, it has nowhere to go but bend or buckle. Cartilage can also weaken and sag with age, making a minor deviation more prominent later in life.
  • Trauma: the most common cause of a severe deviation acquired later in life — childhood falls (soft nasal cartilage heals crookedly and often goes unnoticed), contact sports, minor accidents, or any facial impact.

Why It Causes Recurring Problems​

A DNS acts like a roadblock in the sinuses:

  • Trapped mucus: during a viral infection or air travel, mucus can't drain properly through the narrowed side, builds up, thickens, and causes facial/sinus pain.
  • Blocked Eustachian tubes: because the nose can't drain normally, inflammation spreads easily to the Eustachian tubes, worsening ear pain and pressure (see Airplane Ear / Barotrauma).
  • One-sided irritation: the narrower passage is where physical pressure/irritation is usually felt constantly.

The deviation itself (bone/cartilage shape) doesn't get more crooked after facial growth stops in adulthood, but symptoms can worsen over the years as nasal tissue loses elasticity and repeated inflammation thickens the lining or causes nasal polyps.

Is Septoplasty Worth It?​

Not worth it if asymptomatic. Generally considered worth it if any of these happen regularly:

  • Frequent sinus infections because the nose can't drain.
  • Severe airplane ear (barotrauma) on flights due to blocked Eustachian tubes.
  • Mouth breathing/snoring/poor sleep from a narrowed airway.
  • Constant physical pressure or irritation on one side of the nose.

The Procedure​

Septoplasty is a routine, minimally invasive day-care surgery:

  • A small incision is made entirely inside the nose (no visible external cuts or scars).
  • The surgeon lifts the lining over the septum, trims/straightens the crooked cartilage or bone, and closes it back up.
  • Ideal age window is roughly 18-50 (facial growth must be complete before operating); there's no strict maximum age — the limiting factor is cardiovascular fitness for general anesthesia, not age itself.

Pre-Surgery Workup (Pre-Anesthesia Checkup)​

  • Blood tests: CBC (confirms any infection has cleared), coagulation profile/PT-INR (nose has a rich blood supply), fasting blood sugar, viral markers.
  • Cardiac/respiratory: ECG, chest X-ray to confirm fitness for anesthesia.
  • ENT-specific: diagnostic nasal endoscopy to map the deviation; CT scan of paranasal sinuses if long-term hidden blockages are suspected.
  • Anesthesia review: dosage is calculated from body weight; the anesthesiologist reviews allergy/medical history.

Recovery Timeline​

  • First 48 hours: nose feels fully blocked (like a severe cold); soft silicone splints or packing may be placed; mild pink/bloody discharge is normal.
  • Days 5-7: splints removed at follow-up if used; pressure relief is immediate.
  • 7-10 days: most people return to work/normal routine (no heavy lifting or strenuous exercise yet).
  • 3-6 months: full internal cartilage healing, though the patient feels normal well before this.
  • Post-op rules: no forceful nose blowing (sneeze with mouth open), sleep with head elevated, gentle saline washes to prevent scabbing.

Non-Surgical Management (Living With DNS)​

  • Daily saline nasal spray/rinse (Jal Neti / saline squeeze bottle) with distilled or boiled-and-cooled water, 2-3x/week.
  • Humidifier in air-conditioned rooms to counter dry-air-induced mucus overproduction.
  • Dust/allergen control: hot-wash bedsheets weekly, air purifier for allergic rhinitis triggers.
  • Before flights: pre-flight decongestant and staying awake during descent — see Airplane Ear / Barotrauma.
  • Stay well hydrated so mucus stays thin rather than thickening and getting stuck.