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. 2021 Nov;9(22):1645. doi: 10.21037/atm-21-3461

Table 1. Technical parameters applied in transbronchial cryobiopsy.

Technical parameters Median Range
Cooling gas pressure (bar) 58.0 40–65
Freezing duration (seconds) 5.0 2–12
Number of specimens 4.0 1–5
Method of anesthesia, n (%)
   General intravenous anesthesia 328 (87.9)
   Local anesthesia 45 (12.1)
Ventilation method, n (%)
   Rigid bronchoscope 89 (23.9)
   Tracheal intubation 203 (54.4)
   Laryngeal mask 36 (9.7)
Navigation method, n (%)
   X-ray guidance 184 (49.3)
   Ultrasound guidance 62 (16.6)
   Total 246 (66)