What is the appropriate postoperative management for a 60-year-old woman who underwent laparoscopic repair of a supra‑umbilical and right Spigelian hernia, with stable labs and vital signs, and a history of seronegative rheumatoid arthritis, Hashimoto thyroiditis, Lewy‑body dementia treated with an Exelon (rivastigmine) patch, taking mirtazapine 30 mg daily, memantine 5 mg daily, and experiencing chronic excessive salivation?

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Last updated: September 19, 2026 • View editorial policy

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Postoperative Management After Laparoscopic Spigelian Hernia Repair

Continue the Exelon patch, mirtazapine, and memantine without interruption in the postoperative period, as there is no evidence requiring their discontinuation after hernia surgery, and abrupt cessation of cholinesterase inhibitors can worsen dementia symptoms.

Medication Management

Dementia Medications - Continue All

  • Exelon (rivastigmine) patch: Continue at current dose without interruption 1

    • The FDA label explicitly warns against treatment interruption: if stopped for several days, requires dose retitration from the lowest level 1
    • Transdermal rivastigmine shows no significant cardiovascular safety concerns in elderly patients with Lewy body dementia, including no increased risk of bradycardia or hypotension in routine use 2
    • Abrupt discontinuation risks cognitive deterioration in a patient with established Lewy body dementia

  • Mirtazapine 30 mg: Continue at current dose 3

    • FDA labeling warns that adverse reactions may occur upon discontinuation or dose reduction 3
    • No perioperative adjustment needed for hernia repair

  • Memantine 5 mg: Continue without modification

    • No contraindications for perioperative use in hernia surgery

Rheumatoid Arthritis Management

The 2022 ACR/AAHKS guideline addresses perioperative management of antirheumatic medications specifically for total hip and knee arthroplasty 4. However, this guideline does not apply to your patient's hernia repair, as it explicitly restricts recommendations to THA/TKA procedures only. The patient's seronegative RA medications (if any DMARDs were being used) would follow standard surgical principles, but this is not specified in your case.

Excessive Salivation Management

The chronic sialorrhea is likely multifactorial - potentially related to:

  • Lewy body dementia (autonomic dysfunction)
  • Rivastigmine (cholinergic side effect)
  • Mirtazapine (anticholinergic effects paradoxically can cause salivation in some patients)

Postoperative considerations:

  • Monitor for aspiration risk, especially in immediate postoperative period
  • Ensure adequate oral hygiene to prevent aspiration pneumonia
  • Consider glycopyrrolate 1-2 mg PO TID PRN if sialorrhea worsens and causes distress (anticholinergic, but may be necessary)
  • Do not discontinue Exelon patch to address sialorrhea, as cognitive deterioration outweighs this side effect

Standard Postoperative Hernia Care

Immediate Postoperative Period (Days 0-2)

  • Pain management: Multimodal analgesia with acetaminophen and NSAIDs (if no contraindications); minimize opioids given dementia
  • Early mobilization: Critical to prevent delirium in elderly patients with Lewy body dementia
  • Monitor for complications:
    • Hematoma formation (independent predictor of recurrence in hernia repair) 5
    • Mesh infection (occurs in 2-3% of cases) 5
    • Urinary retention (common in elderly)

Discharge Planning (Typically POD 0-2)

  • Activity restrictions: No heavy lifting >10-15 lbs for 4-6 weeks
  • Wound care: Keep incisions clean and dry; monitor for signs of infection
  • Return precautions: Fever, increasing pain, wound drainage, inability to void

Critical Pitfalls to Avoid

  1. Do NOT stop dementia medications perioperatively - The FDA label for Exelon explicitly requires retitration from lowest dose if interrupted for several days 1, and cognitive decline in Lewy body dementia can be precipitous

  2. Avoid anticholinergic medications for postoperative nausea/pain that could worsen dementia symptoms (use ondansetron, not promethazine)

  3. Minimize opioids - Patients with Lewy body dementia are exquisitely sensitive to opioid-induced delirium

  4. Monitor for hematoma formation - This is an independent predictor of hernia recurrence 5 and mesh infection

  5. Beware of postoperative delirium - Maintain sleep-wake cycle, avoid benzodiazepines, ensure early mobilization

Follow-up

  • Wound check at 2 weeks
  • Full activity resumption at 4-6 weeks
  • Long-term recurrence rate after laparoscopic repair is approximately 2.5% 5

References

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