Perfusion index (PI) measured in the brachial plexus blocks performed by ultrasonography: investigation of correlation with block success | ||||
| Ain-Shams Journal of Anesthesiology | ||||
| Volume 15, Issue 1, January 2023 PDF (1.04 MB) | ||||
| DOI: 10.1186/s42077-023-00321-x | ||||
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| Authors | ||||
Akif Bozdağ ; Mevlüt Doğukan ; Murat Bıçakçıoğlu ; Hamza Nakır ; Mehmet Duran ; Öznur Uludağ 
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| Abstract | ||||
| Background Brachial plexus block is one of the peripheral nerve blocks commonly used in regional anesthesia. We aimed to investigate whether the perfusion index (PI) measurement can be used to evaluate the adequacy of the upper limb blocks accompanied by ultrasonography. Thirty-three patients between the ages of 18 and 65 who were in the ASA I–II group who will have a hand, forearm, and arm operation were included in the study. An appropriate type of brachial plexus block was applied to these patients under the guidance of ultrasonography. After the block application was completed, the sensory and motor blocks were evaluated at the 5th, 10th, and 20th min. In addition, perfusion indices measured from both extremities of the patient were recorded at the 5th, 10th, and 20th min. Results In 32 of 33 patients who underwent brachial plexus block, our block was successful, and perfusion index measurements in the applied limb increased continuously from the 5th min over the 20-min observation period. In one patient who failed the block and in the arm group without block, no statistically significant difference was detected in the 5th, 10th, and 20th min perfusion index measurements. Conclusions Perfusion index measurement is a very valuable and usable method to evaluate the success of peripheral nerve blocks early, easily, and objectively. | ||||
| Keywords | ||||
| Brachial Plexus Block; Axillary block; Infraclavicular block; Perfusion index | ||||
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