
By Dr. Biplab Das, Organising Secretary, Stroke & AI 2026 and Director – Neurology & Interventional Neuroradiology, Batra Hospital
Being diagnosed with a brain aneurysm can leave patients with an immediate concern, “Will I need surgery?” The answer is not always yes. Some aneurysms can be monitored, while others may need treatment, and even when treatment is required, it does not necessarily mean an operation to open the skull.
A brain aneurysm is a weakened area in the wall of a blood vessel in the brain that forms a bulge. Some aneurysms are small and may never cause a problem, while others carry a higher risk of rupture and need to be treated. What happens next depends on the size, location, shape and other features of the aneurysm, as well as the patient’s individual risk.
The next question is often what the treatment will actually involve. In suitable cases, an aneurysm can be treated from inside the blood vessel using a minimally invasive endovascular procedure. A thin catheter is guided through an artery, usually from the wrist or groin, to reach the blood vessels of the brain. The aneurysm can then be sealed using specialised devices without opening the skull. This approach has become an important part of modern aneurysm treatment.
Open surgery, however, still has an important role. In selected patients, a surgeon may directly access the aneurysm and place a small clip across it to prevent blood from entering the weakened area. The decision between an endovascular approach, surgical clipping or monitoring is based on the individual aneurysm rather than simply the patient’s preference or age. The location and shape of the aneurysm, its relationship with nearby blood vessels and the patient’s overall health all influence the choice.
A natural question is whether treatment itself carries more risk than leaving the aneurysm alone. This is why the decision to treat an unruptured aneurysm requires careful assessment. Some aneurysms can be safely monitored with periodic scans, while others may carry enough risk to justify preventive treatment. The aim is to weigh the risks of intervention against the potential risk of rupture over time.
Recovery also varies depending on the circumstances. Someone undergoing planned treatment for an unruptured aneurysm may have a very different recovery from a patient who arrives at the hospital after a rupture and bleeding in the brain. The method of treatment, the patient’s neurological condition and whether complications have occurred all influence recovery and follow-up.
Having a brain aneurysm does not automatically mean a major operation. Some aneurysms can be monitored, while others may need treatment. When treatment is required, the approach depends on the aneurysm and the patient’s overall condition, with the aim of choosing the safest and most suitable option.
For patients and families, asking questions and understanding why a particular treatment is being recommended can make the process less frightening. Whether the option is observation, an endovascular procedure or surgical clipping, the goal remains the same, to protect the patient from the potentially devastating consequences of an aneurysm rupture while using the safest approach possible.

