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The primary goal of treatment in pulmonary hypertension for patients with chronic obstructive pulmonary disease (COPD) is to provide oxygen therapy. In COPD, hypoxemia (low levels of oxygen in the blood) is a common issue, and oxygen therapy helps to improve oxygen saturation, thereby alleviating some of the stress on the pulmonary circulation. By increasing the amount of oxygen available in the bloodstream, it assists in reducing pulmonary vasoconstriction and improves overall cardiac and respiratory efficiency.

Other treatments such as anticoagulation, shunt reversal, and pulmonary endarterectomy do not specifically target the underlying issues of pulmonary hypertension associated with COPD. Anticoagulation is more relevant in cases where there is a risk of thrombosis, shunt reversal primarily pertains to congenital heart defects, and pulmonary endarterectomy is a surgical procedure aimed at addressing chronic thromboembolic pulmonary hypertension, which is a different condition from COPD-related pulmonary hypertension. Thus, oxygen therapy serves as a foundational approach to managing pulmonary hypertension in the context of COPD, improving patient outcomes by enhancing oxygen delivery and reducing potential complications resulting from hypoxia.