Our Summary

This research paper discusses a study that aimed to evaluate the effectiveness of a technique called volumetric computed tomography in predicting the post-surgery lung function of patients with lung cancer. This was compared to two other methods - counting anatomical segments and perfusion scintigraphy. The researchers used software to analyze the lung volumes in CT scans of the patients both before and several months after surgery.

The study found that volumetric computed tomography was more accurate and precise in predicting post-surgery lung function than the other two methods. It was better at determining important measurements like forced vital capacity, forced expiratory volume, lung diffusing capacity, and peak oxygen uptake.

The researchers also found that by adjusting their calculations to include the estimated decrease in lung function after surgery, they could explain 98% to 99% of the variance in post-surgery lung function.

The study concludes that volumetric computed tomography is a reliable and accurate way to predict post-surgery lung function in patients undergoing lung resection. This is important because it could help doctors determine whether a patient is fit enough for surgery. Since CT scans are routinely performed for patients suspected of having lung cancer, this method could provide valuable information about a patient’s suitability for surgery at the same time.

FAQs

  1. What is the purpose of the study discussed in the research paper?
  2. How does volumetric computed tomography compare to counting anatomical segments and perfusion scintigraphy in predicting post-surgery lung function?
  3. How can volumetric computed tomography potentially benefit patients suspected of having lung cancer?

Doctor’s Tip

One helpful tip a doctor might tell a patient about lung resection is to quit smoking if they are a smoker. Smoking can significantly hinder the healing process after surgery and increase the risk of complications. By quitting smoking, patients can improve their lung function and overall health, making them better candidates for a successful surgery and recovery.

Suitable For

Patients who are typically recommended for lung resection include those with early-stage lung cancer, non-small cell lung cancer, or small cell lung cancer. Other conditions that may warrant lung resection include benign tumors, lung abscesses, bronchiectasis, and certain types of lung infections. Patients who have a good overall health status, adequate lung function, and are able to tolerate surgery are also considered suitable candidates for lung resection. Additionally, patients who have failed to respond to other treatment options such as chemotherapy or radiation therapy may also be recommended for lung resection.

Timeline

Before lung resection:

  1. Patient is diagnosed with lung cancer and undergoes various tests and evaluations to determine the stage and extent of the cancer.
  2. Patient discusses treatment options with their healthcare team, including the possibility of lung resection surgery.
  3. Patient undergoes pre-operative evaluations, including imaging tests such as CT scans to assess lung function and anatomy.
  4. Patient may undergo pulmonary function tests to assess lung capacity and function.
  5. Patient receives counseling and education about the surgery, potential risks, and post-operative recovery.

After lung resection:

  1. Patient undergoes lung resection surgery to remove the cancerous portion of the lung.
  2. Patient is closely monitored in the hospital for any complications and to ensure proper healing.
  3. Patient undergoes post-operative rehabilitation, including breathing exercises and physical therapy to improve lung function.
  4. Patient undergoes follow-up appointments and imaging tests to assess lung function and monitor for any recurrence of cancer.
  5. Patient may experience improvements in lung function over time as the remaining lung tissue compensates for the loss of the removed portion.

What to Ask Your Doctor

  1. How will lung resection surgery affect my lung function?
  2. What are the potential risks and complications associated with lung resection surgery?
  3. How long is the recovery period after lung resection surgery?
  4. Will I need any rehabilitation or physical therapy after the surgery?
  5. How will my lung function be monitored after the surgery?
  6. Will I need any additional tests or imaging studies to assess my lung function before and after surgery?
  7. What are the chances of developing complications such as pneumonia or blood clots after lung resection surgery?
  8. How soon can I expect to return to my normal daily activities after the surgery?
  9. Are there any lifestyle changes or precautions I should take after lung resection surgery to maintain my lung health?
  10. What are the long-term effects of lung resection surgery on my overall health and quality of life?

Reference

Authors: Fernández-Rodríguez L, Torres I, Romera D, Galera R, Casitas R, Martínez-Cerón E, Díaz-Agero P, Utrilla C, García-Río F. Journal: J Thorac Cardiovasc Surg. 2018 Dec;156(6):2297-2308.e5. doi: 10.1016/j.jtcvs.2018.07.040. Epub 2018 Aug 2. PMID: 30195604