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  • 20% of patients...

20% of patients develop heart complications after major non-cardiac surgery : Study

Hina ZahidWritten by Hina Zahid Published On 2020-10-16T23:15:16+05:30  |  Updated On 16 Oct 2020 5:45 PM GMT
20% of patients develop heart complications after major non-cardiac surgery : Study
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Sophia Antipolis: One in five high-risk patients undergoing major non-cardiac surgery will develop one or more heart complications within a year, according to research published today in European Heart Journal – Acute Cardiovascular Care, a journal of the European Society of Cardiology (ESC).1 "Our study reveals a greater likelihood of having heart problems or dying after...

Sophia Antipolis: One in five high-risk patients undergoing major non-cardiac surgery will develop one or more heart complications within a year, according to research published today in European Heart Journal – Acute Cardiovascular Care, a journal of the European Society of Cardiology (ESC).1 

"Our study reveals a greater likelihood of having heart problems or dying after non-cardiac surgery than has been recognised to date," said study author Dr. Christian Puelacher of the University of Basel, Switzerland. "Patients are also at risk for a longer period than was previously thought."
The study was conducted in high-risk patients, which included people aged 65 to 85, and those aged 45 to 64 with cardiovascular disease (coronary artery disease, peripheral artery disease, or prior stroke). All patients had non-cardiac surgery which required them to stay in hospital at least one night afterwards. The types of procedures included visceral, orthopaedic, trauma, vascular, urologic, spinal, and thoracic surgery.
"People who undergo major surgery are increasingly old and have other diseases, and these are the patients we focused on in our study," said Dr. Puelacher. "By providing information on postoperative complications, our research provides opportunities to make surgery even safer."
More than 300 million surgeries are performed worldwide each year.2 Despite the advantages, surgery can trigger cardiac events including heart attacks, heart failure, heart rhythm disturbances, and death. Previous research has shown that nearly three-quarters of patients who die after surgery were never admitted to critical care,3 suggesting that their risk was unrecognised. In addition, some complications go undetected because there are no symptoms – for example, patients who have a heart attack soon after surgery may not have chest pain because of pain medications. These asymptomatic heart attacks put the patient at the same risk of dying as those with symptoms.4
The study included 2,265 patients. The average age was 73 years and 43% were women. Patients were followed for one year after surgery for heart attacks, heart failure, heart rhythm disorders, and death due to cardiovascular disease. To detect asymptomatic heart attacks, all patients had serial measurements of troponin while in hospital – this protein is elevated in the blood when the heart muscle is injured.
Approximately one in seven patients (15%) had at least one heart complication within 30 days. The 30-day incidence of heart complications was highest in patients who had thoracic surgery (22%), followed by vascular surgery (21%) and trauma surgery (19%). One in five patients (21%) had at least one heart complication within one year.
"This was one of the first studies to monitor patients for asymptomatic heart attacks after surgery," said Dr. Puelacher. "These patients were at greater risk of subsequent events. One-third of patients who had an asymptomatic heart attack went on to have at least one more heart complication, compared to just 10% of those who did not have an asymptomatic heart attack. Our study suggests that measuring troponin levels before surgery and for two days afterwards could identify these patients and provide an opportunity to prevent further complications and death."
Most complications occurred within the first 30 days after surgery, and in particular within the first week. But the investigators identified a vulnerable period of up to five months. Dr. Puelacher said: "Our results indicate that this high-risk patient group has an elevated likelihood of having an adverse cardiac event for three to five months after major surgery."
Dr. Puelacher noted that the study did not investigate what patients can do to improve their outcomes. But he said: "Surgery is a process rather than a quick fix. Do not postpone your surgery, but if there is time and you want to prepare, quit smoking, be physically active and eat healthily so your body is in better shape."
heart complicationssurgeryeuropean heart journal – acute cardiovascular careeuropean society of cardiologythoracic surgery
Source : European Heart Journal – Acute Cardiovascular Care
Hina Zahid
Hina Zahid

    Hina Zahid Joined Medical Dialogue in 2017 with a passion to work as a Reporter. She coordinates with various national and international journals and association and covers all the stories related to Medical guidelines, Medical Journals, rare medical surgeries as well as all the updates in the medical field. Email: editorial@medicaldialogues.in. Contact no. 011-43720751

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