That
is the conclusion of a seven-year Italian study on patients who had
pneumonectomy for either lung cancer or mesothelioma between January
2003 and March 2010. A Total of 71 patients were enrolled in the study.
Twenty-six of them had their right lung removed while 31 had left-sided
pneumonectomy. Eleven patients had more extensive pneumonectomies that
also involved removal of structures other than the lung, such as parts
of the trachea, diaphragm or lung lining.
At
one-year, 93% of the mesothelioma and lung cancer patients who had
undergone pneumonectomies were still alive, although all had begun to
have heart problems such as tricuspid valve insufficiency. Tricuspid
insufficiency refers to the failure of the heart’s tricuspid valve to
close properly, allowing some blood to pass from the right ventricle to
the right atrium with each beat, decreasing the heart’s pumping
efficiency. The pneumonectomy patients also had thickening of the
ventricular walls in the heart. Three patients died from complications
related to the surgery.
After
five years, 20% of the mesothelioma and lung cancer patients in the
study were still living. Although a quality of life questionnaire filled
out at one year and five years after surgery indicated a decrease in
the quality of life, their scores were still deemed ‘acceptable’ by the
research team. In a summary of their results in an Italian medical
journal, the group concludes, “Postoperative mortality (4.3%) and
five-year survival (20%) after pneumonectomy seem to be satisfactory.”
Despite the heart problems observed, most were not severe enough to
dramatically affect quality of life, prompting researcher to conclude
that “acceptable quality of life is still achievable” in these
mesothelioma and lung cancer patients.
There
is still considerable debate among mesothelioma experts worldwide about
the benefits versus the risks of pneumonectomy. Given the slim
improvement in survival and high rate of complications with
pneumonectomy, some doctors favor the less radical pleurectomy procedure
instead.
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