Are single-lumen 5Fr and triple-lumen 6Fr PICCs suitable for hemodynamic assessment by trans-pulmonary thermodilution? A pilot study

Annals of Intensive Care

Table 2 Manual phase: Comparison between single-lumen 5Fr PICC vs. CICC

Variables	5 Fr single-lumen PICC	CICC	p value	Bias [LoA]	Bias, %	Error, %
Measurements, n	40	40	–	–	–	–
CI, L/min/m²	3.2 (1.04)	3.2 (1.06)	0.824	0.005 [− 0.42; 0.52]	2.2	14.7
GEDVI, mL/m²	716 (169)	694 (156)	0.539	22.5 [− 122; 167]	3.0	20.5
EVLWI, mL/kg	10.6 (2.5)	10.4 (2.9)	0.805	0.1 [− 2.0; 2.3]	2.5	21
SVI, mL/m²	36.1 (9.9)	35.0 (9.5)	0.582	1.2 [− 5.2; 7.6]	3.3	18
CVP, mmHg	10.1 (5.3)	10.1 (5.8)	0.823	–	–	–
ΔT, °C	0.32 (0.006)	0.32 (0.06)	0.611	− 0.007 [− 0.027; 0.041]	–	10.8

Data are reported as mean (standard deviation)
CI: cardiac index; CICC: centrally inserted central catheter; CVP: central venous pressure; EVLWI: extra-vascular lung water index; GEDVI: global end-diastolic volume index; LoA: limits of agreement; PICC: peripherally inserted central catheter; SVI: stroke volume index; ΔT: delta temperature