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Postoperative shivering could be alleviated by administering acetaminophen聽during surgery, according to a new study.

Chills and shivering are a common side effect that happens when patients regain consciousness after surgery and can occur in up to half of patients. While the exact cause is unknown, scientists believe it may be related to the body cooling down.

鈥淧ostoperative shivering is a frequent complication in patients recovering from general anesthesia. It causes significant pain and discomfort,鈥� said lead researcher Dr Takahiro Tadokoro, a physician anesthesiologist at the , Japan. 鈥淧ostoperative shivering can also put a strain on the cardiovascular system, therefore we need to prevent it, especially in patients with cardiopulmonary risk.鈥�

Acetaminophen聽such as Tylenol is being used more and more pre- and postoperatively in an effort to control pain and to minimise opioids, Dr聽Tadokoro noted. Until now, few studies have evaluated the ability of acetaminophen to prevent postoperative shivering.

The study included 37 patients scheduled for gynaecologic surgery. Patients were randomly assigned to receive acetaminophen (15 mg per kilogram of body weight) intravenously, or a placebo, after receiving general anesthesia. Among the women who received acetaminophen, 22.2% experienced postoperative shivering, compared to 73.7% of those who received the placebo.

Additionally, the severity of shivering was significantly lower among women who received acetaminophen. Body temperature was significantly lower 30 minutes after researchers began their postoperative observation in the recovery room among patients who received acetaminophen compared to those who received the placebo.

鈥淲e believe our findings can be widely applicable, as acetaminophen is a relatively safe drug and commonly used,鈥� Dr聽Tadokoro said.

The study results are being presented at the 补苍苍耻补濒听conference.

Image credit: 漏stock.adobe.com/au/famveldman