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Hip/Shoulder Width Ratio Alters the Spread of Spinal Anesthesia: A Prospective Observational Study

Mehmet Canturk, Meltem Hakki, Nazan Kocaoglu.

Abstract
Introduction: Many factors have been tested to predict the spread of spinal anesthesia in clinical practice. In the study, we aimed to investigate the correlation between hip/shoulder width ratio and spread of spinal anesthesia.
Method: Sixty patients were enrolled in this study to determine the correlation between hip/shoulder width ratio and the spread of spinal anesthesia. The L4-L5 interspace, navigated by ultrasonography, was introduced at the lateral position with a 25G spinal needle. 3ml 0,5% hyperbaric bupivacaine was injected intrathecally in 15 seconds. Age, height, weight, body mass index, hip/shoulder width ratio, and vertebral column length were recorded. Spinal anesthesia spread was assessed at 0, 5, 10, 20, and 30 minutes after spinal anesthesia. The patient was turned supine 5 minutes after intrathecal injection. Multiple linear regression analysis was used to analyze the correlation between the spread of spinal anesthesia and age, height, weight, hip/shoulder width ratio, vertebral column length.
Results: The study was completed without dropout and sixty participants were included in the analysis. There was a strong correlation between the spread of spinal anesthesia and hip/shoulder width ratio (r=0,766; p<0,0001) and a negative correlation with the height and vertebral column length (r= -0,572; -0,738 and p=0, 000; 0, 000 respectively).
Conclusion: Cephalad spread of spinal anesthesia with a fixed dose of hyperbaric bupivacaine is strongly correlated with hip/shoulder width ratio and inversely correlated with height and vertebral column length. We may observe more spread with 0, 5% hyperbaric bupivacaine in patients with a greater hip/shoulder ratio and a shorter height.

Key words: Spinal anesthesia, hyperbaric bupivacaine, hip/shoulder ratio


 
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How to Cite this Article
Pubmed Style

Canturk M, Hakki M, Kocaoglu N. Hip/Shoulder Width Ratio Alters the Spread of Spinal Anesthesia: A Prospective Observational Study. Ulutas Med J. 2018; 4(1): 32-37. doi:10.5455/umj.20180215094944


Web Style

Canturk M, Hakki M, Kocaoglu N. Hip/Shoulder Width Ratio Alters the Spread of Spinal Anesthesia: A Prospective Observational Study. http://www.ulutasmedicaljournal.com/?mno=291248 [Access: October 17, 2018]. doi:10.5455/umj.20180215094944


AMA (American Medical Association) Style

Canturk M, Hakki M, Kocaoglu N. Hip/Shoulder Width Ratio Alters the Spread of Spinal Anesthesia: A Prospective Observational Study. Ulutas Med J. 2018; 4(1): 32-37. doi:10.5455/umj.20180215094944



Vancouver/ICMJE Style

Canturk M, Hakki M, Kocaoglu N. Hip/Shoulder Width Ratio Alters the Spread of Spinal Anesthesia: A Prospective Observational Study. Ulutas Med J. (2018), [cited October 17, 2018]; 4(1): 32-37. doi:10.5455/umj.20180215094944



Harvard Style

Canturk, M., Hakki, M. & Kocaoglu, N. (2018) Hip/Shoulder Width Ratio Alters the Spread of Spinal Anesthesia: A Prospective Observational Study. Ulutas Med J, 4 (1), 32-37. doi:10.5455/umj.20180215094944



Turabian Style

Canturk, Mehmet, Meltem Hakki, and Nazan Kocaoglu. 2018. Hip/Shoulder Width Ratio Alters the Spread of Spinal Anesthesia: A Prospective Observational Study. THE ULUTAS MEDICAL JOURNAL, 4 (1), 32-37. doi:10.5455/umj.20180215094944



Chicago Style

Canturk, Mehmet, Meltem Hakki, and Nazan Kocaoglu. "Hip/Shoulder Width Ratio Alters the Spread of Spinal Anesthesia: A Prospective Observational Study." THE ULUTAS MEDICAL JOURNAL 4 (2018), 32-37. doi:10.5455/umj.20180215094944



MLA (The Modern Language Association) Style

Canturk, Mehmet, Meltem Hakki, and Nazan Kocaoglu. "Hip/Shoulder Width Ratio Alters the Spread of Spinal Anesthesia: A Prospective Observational Study." THE ULUTAS MEDICAL JOURNAL 4.1 (2018), 32-37. Print. doi:10.5455/umj.20180215094944



APA (American Psychological Association) Style

Canturk, M., Hakki, M. & Kocaoglu, N. (2018) Hip/Shoulder Width Ratio Alters the Spread of Spinal Anesthesia: A Prospective Observational Study. THE ULUTAS MEDICAL JOURNAL, 4 (1), 32-37. doi:10.5455/umj.20180215094944








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The articles in Ulutas Medical Journal are open access articles licensed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-sa/3.0/) which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.