Ophthalmology Notes @ OphthalNotes.blogspot.com

Ophthalmology Notes @ OphthalNotes.blogspot.com
A comprehensive collection of ophthalmology revision notes that cover a broad range of topics.

COVID 19 & MUCORMYCOSIS

MUCORMYCOSIS TREATMENT PROTOCOL or PREFERRED PRACTISE PATTERN


Suspected OR confirmed mucormycosis

Clinical findings:- 

  • facial swelling, periorbital swelling, severe headache, nasal blockage 
  • intraoral pus discharge, gingival abscess, teeth mobility 

History taking:- 

  • Covid history: steroid therapy, other medication, hospital stay 
  • Known medical history: DM, renal failure, immunocompromised patient, malignancy  

Investigation:- 

  • Radiological : CT PNS or 3D CT Face, MRI 
  • Blood investigation: CBC, CRP, HbA1c, Renal profile

Radiological findings:- 

  • Early stage: sinusitis 
  • Intermediate stage: Bony erosion in maxilla 
  • Aggressive stage: involvement of orbit and brain 

A. Early stage (only sinus are involved no bony change) 

  • Excisional biopsy (deep bone) + Sinus lining 
  • FESS 

B. Confirmed or late stage (bony erosion) 

  • Debridement and curettage till healthy bone, 
  • orbital exenteration if indicated after ophthalmologist / occuloplasty surgeon opinion 
  • FESS

Test sampling: 

  • Bacterial or fungal cultural and sensitivity 
  • Histopathological investigation

Confirmed mucormycosis

Antifungal medication For 14 to 21 days
Inj Amphotericin B (1.0-1.5 mg/kg/day) 
Inj Liposomal Amphotericin B (5-10 mg/kg/day)  

Tab Posaconazole GR 100 mg (step down or adjutant therapy)  for 45 days
First day -300 mg BD  
Other days- 300 mg OD

Alternate day perform - S. Creatinine - S. Electrolyte To avoid Nephrotoxicity and hypokalaemia

Regular follow-up (CT PNS every 15 days to 1 month)

Amphotericin B administration protocol

Amphotericin B  1.0-1.5 mg/kg/day  
Liposomal Amphotericin B  5-10 mg/kg/day 

FOR 14 to 21 days depending on severity

Pre-hydration:-
  • 500ml Normal saline 2 hr before infusion Amphotericin B
  • To reduces the risk of renal toxicity and hypokalaemia :- 500ml
  • Normal Saline + 1 Amp (20mmol) KCL

Hydration:-
  • Dilution: 1mg in 10 ml
  • Always use 5% or 10% dextrose
  • Avoid Normal saline
  • 500 mL NS IV given pre infusion
  • If fluid overloaded, use 250 mL pre/post or skip post-hydration
  • If hyperchloremic, may use normosol instead of NS
  • Protect from light during administration

for details of treatment protocol: 
CLICK HERE

Treatment Protocol For Mucormycosis In Adult Patients - By Expert Committee of Civil Hospital, Ahmedabad









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