Evaluation of regional ventilation by electric impedance tomography during percutaneous dilatational tracheostomy in neurocritical care: a pilot study

Table 4 Data of electric impedance tomography

Patient number	RVD SD %		Pre-post PDT CW/CL		ΔEELI % of pre PDT	Time open trachea s	C static ml/cmH₂O		SpO₂%
Patient number	Pre PDT	Post PDT	Pre-post PDT CW/CL		ΔEELI % of pre PDT	Time open trachea s	Pre PDT	Post PDT	Pre PDT	Post PDT
4	9	6	18	2	29	26	46	38	100	100
5	10	7	10	18	12	50	100	160	100	100
6	7	7	21	5	−25	170	34	33	99	100
7	7	8	26	12	12	17	76	78	96	96
9	7	9	29	1	50	15	134	115	90	94
10	4	5	60	0	16	17	126	120	98	98

PDT Percutaneous dilatational tracheostomy, RVD SD Regional ventilation delay standard deviation, CW Compliance win, CL Compliance loss, ΔEELI End-expiratory lung impedance change, s Second, C Compliance, SpO₂ Pulse oximetry

ISSN: 1471-2377