Hip Fracture in Elderly: Longer Surgery and General Anesthesia Linked to Greater Risk of Post-Op Delirium

MedicalResearch.com Interview with:

Bheeshma Ravi, MD, PhD, FRCSC Scientist Sunnybrook Health Sciences Centre Holland Centre Toronto, ON

Dr. Ravi

Bheeshma Ravi, MD, PhD, FRCSC
Sunnybrook Health Sciences Centre
Holland Centre
Toronto, ON

MedicalResearch.com: What is the background for this study? What are the main findings?

Response: Delirium is an acute change in mental status characterized by fluctuating disturbances of consciousness and attention. Elderly patients are prone to delirium after surgery; this contributes significantly to post-operative morbidity and can also lead to long-term disability.

Our study found that among older adults undergoing hip fracture surgery, both an increased duration of surgery and a general anesthetic are associated with an increased risk for post-operative delirium.​ 

MedicalResearch.com: What should readers take away from your report?

Response: ​Post-operative delirium is a complex problem, with many contributing factors. Longer surgical length increases the risk for delirium, in patients with hip fractures, and this association is stronger in patients that receive a general anesthetic.

MedicalResearch.com: What recommendations do you have for future research as a result of this work?

Response: Future studies, including ones we are completing, should examine the relationship between surgical length and post-operative delirium in other surgical procedures.

 No disclosures. 


Ravi B, Pincus D, Choi S, Jenkinson R, Wasserstein DN, Redelmeier DA. Association of Duration of Surgery With Postoperative Delirium Among Patients Receiving Hip Fracture Repair. JAMA Netw Open.2019;2(2):e190111. doi:10.1001/jamanetworkopen.2019.0111


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