Dhimar 2017.

Study name	Analgesic effect provided by femoral nerve block versus intravenous fentanyl prior to positioning for subarachnoid block in patients with fracture femur
Methods	Parallel RCT, open label Approved by the ethics committee and informed consent obtained Site: Medical College and SSG Hospital, Vadodara, India Data collection: to be determined Funding: to be determined Registration: retrospectively registered 4 October 2017
Participants	60 ASA I to III participants posted for fracture surgery under subarachnoid block; the exact site of fracture is not specified Excluded: contraindications to subarachnoid block; allergy to amide local anaesthetics or fentanyl; history of drug or alcohol abuse; morbid obesity (body mass index > 29 kg/m2); comorbid condition such as diabetes, hypertension, bronchial asthma, chronic pulmonary obstructive disease; neurological or musculoskeletal disease; multiple fractures; refusal or inability to understand visual analogue pain scale score; use of analgesics 8 hours before performance of subarachnoid block Type of fracture:  femur fracture Anaesthetic technique for surgery: spinal anaesthesia Surgical technique: to be determined Mean age: (range ): to be determined Percentage female: % to be determined Length of follow‐up:  90 minutes
Interventions	Intervention: femoral nerve block Comparator: no block
Outcomes	Relevant to this review. Pain. Opioids. Complications. Not relevant to this review. Quality of positioning. Time required for spinal block. Haemodynamic variables. Opioid side effects.
Starting date	First posted: 5 November 2019 Study start date: 12 May 2015 Study completion date:  to be determined Last update posted: 5 November 2019
Contact information	Dr Aditi A Dhimar
Notes	Conflict of interest: to be determined DOI: to be determined