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Oncology · The big question

Immunotherapy Before Lung Surgery Doubles Breathing Risk

Neoadjuvant immunochemotherapy and postoperative acute hypoxemic respiratory failure in thoracic surgery: a multicentre cohort study.

PubMed2 min readAI-assisted summary
Editorial illustration for Neoadjuvant immunochemotherapy and postoperative acute hypoxemic respiratory failure in thoracic surgery: a multicentre cohort study.
Editorial illustration

Summary

Treating lung cancer often involves shrinking the tumor before the surgeon even picks up a scalpel. Doctors frequently use a mix of chemotherapy and immunotherapy, which are drugs that help the immune system identify and attack cancer cells. While this presurgery combination has revolutionized cancer care, medical teams are still uncovering how these powerful drugs affect the body during the actual operation.

A new study examined 327 patients who underwent chest tumor surgeries. Researchers wanted to know if adding immunotherapy to standard chemotherapy changed the risk of acute hypoxemic respiratory failure, a dangerous post-surgery complication where patients cannot get enough oxygen into their blood. The results were striking. The risk of severe breathing trouble more than doubled for patients receiving the combined treatment, jumping from 8.1 percent in the chemotherapy-only group to 19.8 percent in the combined group.

The data also revealed which patients were most vulnerable. Breathing complications spiked when the interval between the final drug treatment and the surgery was less than 42 days. Higher risks were also seen in patients with squamous cell carcinoma, a specific type of lung cancer, and in patients whose tumors did not entirely disappear after the initial drug treatment. The study authors caution that this research only looked back at historical patient records across two hospitals. Future studies tracking new patients will be needed to fully confirm these risk factors.

Why it matters.

This research does not suggest that cancer patients should avoid immunotherapy. Instead, it provides a crucial safety manual for surgeons and recovery teams. Lung cancer is one of the most common cancers worldwide, and as immunotherapy becomes a standard part of early treatment, thousands of patients could be exposed to these post-surgery complications.

By knowing precisely who is most likely to suffer breathing failures, doctors can adjust their surgical timelines, perhaps waiting slightly longer than 42 days to operate. Hospitals can also ensure high-risk patients receive intense respiratory monitoring immediately after their procedures, ultimately making life-saving cancer treatments much safer to deliver.

From the source

The story in numbers.

Total patients in the cohort
327
Postoperative AHRF incidence in the nICT group
19.8%
Odds ratio for AHRF risk (nICT vs nCT)
2.41
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Immunotherapy Before Lung Surgery Doubles Breathing Risk — Daily Strand