{
  "id": 243336,
  "title": "Going under the knife? What to know about anaesthesia before surgery",
  "url": "https://urgent.news/2026/08/06/going-under-the-knife-what-to-know-about-anaesthesia-before-surgery",
  "topic": "health",
  "section": "Health & Medicine",
  "published": "2026-08-06T23:23:00.000Z",
  "source": {
    "name": "Channel News Asia",
    "slug": "channel-news-asia",
    "url": "https://www.channelnewsasia.com/wellness/general-vs-regional-anaesthesia-explained-6290241"
  },
  "original_language": "en",
  "account": "Surgery brings up the question of anaesthesia, a topic that often leaves people scratching their heads. General anaesthesia (GA) is one option, but it's not always necessary. Another choice is regional anaesthesia (RA), such as spinal anaesthesia or peripheral nerve block, depending on the type of surgery. These regional options might be preferable for some patients, particularly those with certain health conditions or those undergoing procedures on particular body parts like an arm or leg.\n\nAnaesthesia works by altering the brain's electrical activity, leading to unconsciousness, reduced awareness, and less pain perception. To achieve this, the anaesthetist first administers propofol, a common intravenous anaesthetic. Strong painkillers, like opioids, are also given intravenously to manage pain. Inhalational anaesthetics, delivered through a mask, maintain general anaesthesia. Propofol can sometimes be used alone as a continuous infusion.\n\nInhalational anaesthetics, such as desflurane, have strong odours and can be irritating, which is why they're usually not the first choice. Once the patient is fully unconscious, a breathing tube is inserted to maintain airflow, deliver oxygen, and protect the lungs. Other anaesthetic agents like ketamine and etomidate are also used, though less frequently.\n\nAnaesthetists carefully control the dosage of anaesthetic agents to minimize side effects, ensure proper circulation and breathing, and prevent pain or awareness. They continuously monitor vital signs, such as blood pressure, heart rate, and oxygen levels, as these drugs can impact the brain and heart. After surgery, the anaesthetic medications are stopped, and the patient is monitored until they're awake and stable. Temporary side effects like nausea, vomiting, and giddiness may occur but usually resolve within an hour or a day.",
  "summary": "Experts explain how the different types of anaesthesia work, who they're suitable for and why some operations may not require general anaesthesia.",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}