4114
Is nisoldipine capable of reducing left ventricular preload ? In ten anesthetized pigs , nisoldipine ( 2 - 4 micrograms X kg - 1 X min - 1 ) , a calcium channel blocker structurally related to nifedipine , reduced left ventricular systolic pressure ( 40 % ) and systemic vascular resistance ( 35 % ) , whereas maxLVdP / dt decreased by 20 % and cardiac output was unchanged .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 None