Cricothyrotomy is converted to tracheostomy at an early stage to
Answer: a) Avoid subglottic stenosis (DHINGRA 6th ED, P-320)Cricothyrotomy or Laryngotomy or Mini-tracheostomy:* This is a procedure for opening the airway through the cricothyroid membrane.* Patient's head and neck is extended, lower border of thyroid cartilage and cricoid ring are identified.* Skin in this area is incised vertically and then cricothyroid membrane cut with a transverse incision.* This space can be kept open with a small tracheostomy tube or by inserting the handle of knife and turning it at right angles if tube is not available.* It is essential to perform an orderly tracheostomy as soon as possible because perichondritis, subglottic oedema and laryngeal stenosis can follow prolonged laryngotomy
Avoid subglottic stenosis
Avoid hypoxia
Prevent damage to epiglottis and vocal cords
Facilitate oxygenation
Larynx