Pulmonary Wedge Resection - Advantages and Complications

What Is Pulmonary Wedge Resection?

The lung is the organ we breathe with and is composed of two lobes. If cancer occurs in the lung, then surgical removal of the lesion becomes necessary. Surgery for lung cancer may involve removing all or a portion of the lung.

Lung surgery can involve different procedures depending on the tumor size, location, and the patient’s lung function. While wedge resection removes a small section of lung tissue surrounding the tumor, some patients may need more extensive surgery. Many people also wonder what does a lung lobectomy procedure involve?, especially when comparing it with less extensive options like wedge resection. Pneumonectomy is the surgical removal of the entire lung. A wedge resection may be the best surgical option if cancer growth is limited because it is less intrusive than other cancer removal procedures. Lung cancer resection surgery primarily uses pulmonary wedge resection for non-small cell lung cancer (NSCLC). In most cases, wedge resection successfully treats early-stage lung cancer. In addition, this method may occasionally be used to diagnose lung cancer.

Why Is Pulmonary Wedge Resection Performed?

The tumor size and location, the patient's lung function, and general health determine which lung cancer surgery is appropriate.

• A biopsy is a diagnostic technique in which a small tissue sample is removed and examined under a microscope. Wedge resection helps identify the cause of lung nodules or lesions when biopsy is unsuccessful or impossible.
• It can also be carried out in early-stage or precancerous lung malignancies.
• Surgery is frequently the primary treatment course for early-stage lung tumors, especially non-small cell lung tumors.
• In contrast to other surgical procedures, wedge resection removes a smaller portion of the lung, allowing healthy lung function.
• Patients who tolerate aggressive treatments like lobectomy (procedure to remove one lung lobe), segmentectomy (a segment of the lung lobe is removed), or removal of the entire lung lobe are not advised to undergo wedge resection. Lobectomy, segmentectomy, or removal of the whole lung lobe reduces the possibility of small quantities of cancerous tissue left behind. However, wedge resection is recommended if the patient's lung function is poor and the patient cannot handle sizable surgical stress or intrusive surgery.
• Since small-cell lung cancer tends to spread outside the lungs before being discovered, wedge resection and other surgical procedures are rarely used to treat it.

What Are the Advantages of Wedge Resection?

For the following various reasons, doctors advise wedge resection rather than extensive alternative procedures:

• Faster Recovery:

Doctors may suggest this procedure because it is less invasive than other alternatives, spares healthy lung tissue, and leads to quicker and more accessible patient recovery.

• Compromised Health State:

Compromised lung function or other major medical issues may prevent a patient from undergoing a lobectomy; in those cases, a wedge resection is resorted to instead. Under these circumstances, the objective is tumor removal while retaining a significant amount of lung tissue.

• Personal Preference:

Because a wedge resection is less invasive than other options, some people opt for it. On the other hand, patients may decide to go for this procedure due to quality of life and accept a slightly increased chance of lung cancer.

What Are the Risks and Complications Associated With Wedge Resection?

Early-stage lung cancer can benefit significantly from wedge resection. However, wedge resection for tumors larger than 1.57 inches or in difficult-to-remove lung regions is not recommended. In this situation, the doctor might suggest radiation therapy or chemotherapy in addition to another lung surgery.

After wedge resection, serious complications are relatively infrequent. However, when they do, they could consist of the following:

• Hemothorax (bleeding in the chest cavity).
• Atelectasis from infection (collapse of part or all of a lung).
• An abnormal communication between the pleura and the lungs is called a bronchopleural fistula (the membranes that line the lungs).
• Formation of an air gap in the lungs.
• Anesthesia-related allergic responses.
• Excessive blood loss.
• Lungs or leg blood clots.
• Incision site infection.
• Pneumonia (lung infection).

What Is the Preparation for Wedge Resection?

A person needs to undergo several pre-operative evaluations before undergoing surgery. These may consist of the following:

• A complete physical examination and medical history.
• Blood tests evaluate the health of the liver and kidneys.
• Pulmonary function tests (PFTs).
• A heart assessment may involve a stress test or an ECG (electrocardiogram).
• Magnetic resonance imaging (MRI) or computed tomography (CT) scans may be used in imaging investigations to determine the tumor's precise location and whether the cancer has spread.
• Pulmonary wedge resection is a surgical procedure performed by experienced medical staff. The patient must be under the observation of medical experts after surgery.

How Much Time Does Pulmonary Wedge Resection Take?

Depending on the type of wedge resection, the procedure can last three to six hours and must remain in the recovery room following the surgery until they have recovered from anesthesia. For complete recovery from anesthesia, it takes another two hours or more.

What Is the Procedure for Pulmonary Wedge Resection?

The patient meets the surgeon a day before the procedure to review the procedure. First, the patient is provided with a consent form. Next, the medical staff will assess the individual's fitness for surgery. Finally, the individual is prepared for the surgery. In the operating theater, a general anesthetic is administered to sedate the patient. The patient experiences no pain.

What Are the Different Methods for Pulmonary Wedge Resection?

The different methods of pulmonary wedge resection include

• Thoracotomy:

The malignant lung tissue is removed using conventional techniques. An open thoracotomy involves making a lengthy incision in the chest and separating ribs. After the tissue has been surgically removed, the wound is stitched or stapled.

• Video-Assisted Thoracoscopic Surgery (VATS):

During VATS, three or four tiny incisions are made around the region being resected for the wedge. A small tube with a light and a little camera called a thoracoscope is introduced into the chest. The device transmits images to a computer screen, which the surgeon uses to remove the cancerous tissue. VATS is less invasive than a thoracotomy. However, it may not always be advised in all cases, for instance, for a tumor situated at an unapproachable location. The VATS procedure will take roughly three hours to complete.

• Added Radiation Treatment:

Internal radiation, referred to as brachytherapy, may be used in conjunction with surgery. A small amount of radiation is given at the tumor's location during the wedge resection to ensure the complete removal of all the cancerous cells.

What to Expect After Pulmonary Wedge Resection?

The type of procedure performed and the patient's recovery process influence the length of hospital stay following surgery. During the surgery, a chest tube is placed, and it typically remains there for 24 to 48 hours. During this period, the patient is assisted by a respiratory therapist who helps them take deep breaths to lower their risk of infection. Consequently, compared to thoracotomy, VATS has a significantly reduced rate of postoperative complications.

How Does Healing Take Place After Wedge Resection?

The duration of healing varies from person to person. The wound may take up to four weeks to heal. For about 6 weeks, the patient's chest may have been swollen. Fatigue can last for about two months. Vital capacity may take a year or more to recover. A vital capacity is the maximum amount of air an individual can expel after the maximum inspiration of air.

What Is the Prognosis of Wedge Resection?

The prognosis after a wedge resection will vary depending on the type of tumor, the patient's overall health, and any other treatments a person receives. Wedge resections, on the other hand, may be comparable to more aggressive surgeries only when the tumor is small. According to research, when tumors measure more than 0.4 inches in diameter, patients with lobectomy or segmentectomy show better results than those with wedge resection.

Conclusion

Even though a wedge resection is less invasive than a lobectomy, segmentectomy, or pneumonectomy, it is still a major surgery. Therefore, allowing patients sufficient time to recover after surgery is vital. However, the patient is advised to be active and follow the instructions of the surgeon, cancer specialist, and respiratory therapist to optimize lung function after recovery.

Key Takeaways

• A brief procedure called a wedge resection is performed to remove a tiny portion of the lung that has a tumor or other questionable area.
• One of the main issues with this technique is that if the tumor is too big or too near the edge, it could leave behind cancer cells that are hidden.
• Because it preserves more healthy tissue than removing a whole lung lobe, this technique is an excellent option for patients with poor lung conditions.