Hello and welcome to the forum. Yes, lung disease can be related to pulmonary hypertension. Here's an overview of this disorder: https://www.mayoclinic.org/diseases-conditions/pulmonary-hypertension/symptoms-causes/syc-20350697 There are 5 groups of causes and lung disease (copd, emphysema, etc.) are in group B. Sleep apnea is also in group B. There's also a long list of risk factors . Talk to your doctor if you feel pulmonary hypertension is something that may be going on. Let us know what they say.