3D Printing in Medicine

Table 1 Catheter radii, and length to match cardiac coronary resistance at various levels of exercise

From: Method to simulate distal flow resistance in coronary arteries in 3D printed patient specific coronary models

Condition	Vessel (cm³/sec)	Average Resistance [26] (dynes*sec/cm5)	Catheter Radii (cm)	Catheter Length (cm)
Rest	LAD	254,250	0.06	34.9
			0.071	68.5
			0.09	176.95^a
	LCX	137,000	0.06	18.8
			0.071	36.9
			0.09	95.3
	RCA	479,000	0.06	65.8
			0.071	129.1^a
			0.09	333.3^a
Light Exercise	LAD	71,250	0.06	9.7
			0.071	19.2
			0.09	49.5
	LCX	81,750	0.06	11.2
			0.071	22.0
			0.09	56.8
	RCA	121,000	0.06	16.6
			0.071	32.6
			0.09	84.2
Moderate Exercise	LAD	29,000	0.06	3.9
			0.071	7.8
			0.09	20.1
	LCX	29,300	0.06	4.0
			0.071	7.8
			0.09	20.3
	RCA	50,300	0.06	6.9
			0.071	13.5
			0.09	35.0

^aIndicates that a catheter of that length is not typically engineered and commercially available and smaller Fr size must be used to replicate that specific average resistance

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ISSN: 2365-6271

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