Incidence & Risk Factors of Postoperative Delirium After Spinal Surgery in Older Patients

Abstract Although postoperative delirium is a common complication in older patients, few papers have described risk factors after of spinal surgery. The purpose of this study was to analyze various perioperative risk factors for delirium after spinal surgery in older patients. This study was perform...

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Autores principales:	Taewook Kang, Si Young Park, Jin Hyeok Lee, Soon Hyuck Lee, Jong Hoon Park, Seul Ki Kim, Seung Woo Suh
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2020
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/988284c3f2ca4de58d787d492ca6bb94
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spelling	oai:doaj.org-article:988284c3f2ca4de58d787d492ca6bb942021-12-02T17:52:13ZIncidence & Risk Factors of Postoperative Delirium After Spinal Surgery in Older Patients10.1038/s41598-020-66276-32045-2322https://doaj.org/article/988284c3f2ca4de58d787d492ca6bb942020-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-66276-3https://doaj.org/toc/2045-2322Abstract Although postoperative delirium is a common complication in older patients, few papers have described risk factors after of spinal surgery. The purpose of this study was to analyze various perioperative risk factors for delirium after spinal surgery in older patients. This study was performed on retrospective data collection with prospective design. We analyzed 138 patients over 65 years of age who underwent spinal surgery. Preoperative factors were cognitive function (Mini-Mental State Examination-Korean (MMSE-K) and the Korean version of the Delirium Rating Scale-Revised-98 (K-DRS 98)), age, sex, type of admission, American Society of Anesthesiologist classification, metabolic equivalents, laboratory findings, visual analog scale, and Oswestry Disability Index. Intraoperative factors were operation time, blood loss, and type of procedure. Postoperative factors were blood transfusion and type of postoperative pain control. Postoperative delirium developed in 25 patients (18.16%). Patients were divided into two groups: Group with delirium (group A) and group without delirium (group B). MMSE-K scores in Group A were significantly lower than in Group B (p < 0.001). K-DRS 98 scores were significantly higher in Group A than Group B (p < 0.001). The operation time was longer in Group A than Group B (p = 0.059). On multivariate regression analysis, the odds ratio of K-DRS 98 was 2.43 (p = 0.010). After correction for the interaction between age and MMSE-K, patients younger than 73 years old had a significantly lower incidence of delirium with higher MMSE-K score (p = 0.0014). Older age, low level of preoperative cognitive function, long duration of surgery, and transfusion were important risk factors of postoperative delirium after spinal surgery. It is important to recognize perioperative risk factors and manage appropriately.Taewook KangSi Young ParkJin Hyeok LeeSoon Hyuck LeeJong Hoon ParkSeul Ki KimSeung Woo SuhNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 10, Iss 1, Pp 1-6 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Taewook Kang Si Young Park Jin Hyeok Lee Soon Hyuck Lee Jong Hoon Park Seul Ki Kim Seung Woo Suh Incidence & Risk Factors of Postoperative Delirium After Spinal Surgery in Older Patients
description	Abstract Although postoperative delirium is a common complication in older patients, few papers have described risk factors after of spinal surgery. The purpose of this study was to analyze various perioperative risk factors for delirium after spinal surgery in older patients. This study was performed on retrospective data collection with prospective design. We analyzed 138 patients over 65 years of age who underwent spinal surgery. Preoperative factors were cognitive function (Mini-Mental State Examination-Korean (MMSE-K) and the Korean version of the Delirium Rating Scale-Revised-98 (K-DRS 98)), age, sex, type of admission, American Society of Anesthesiologist classification, metabolic equivalents, laboratory findings, visual analog scale, and Oswestry Disability Index. Intraoperative factors were operation time, blood loss, and type of procedure. Postoperative factors were blood transfusion and type of postoperative pain control. Postoperative delirium developed in 25 patients (18.16%). Patients were divided into two groups: Group with delirium (group A) and group without delirium (group B). MMSE-K scores in Group A were significantly lower than in Group B (p < 0.001). K-DRS 98 scores were significantly higher in Group A than Group B (p < 0.001). The operation time was longer in Group A than Group B (p = 0.059). On multivariate regression analysis, the odds ratio of K-DRS 98 was 2.43 (p = 0.010). After correction for the interaction between age and MMSE-K, patients younger than 73 years old had a significantly lower incidence of delirium with higher MMSE-K score (p = 0.0014). Older age, low level of preoperative cognitive function, long duration of surgery, and transfusion were important risk factors of postoperative delirium after spinal surgery. It is important to recognize perioperative risk factors and manage appropriately.
format	article
author	Taewook Kang Si Young Park Jin Hyeok Lee Soon Hyuck Lee Jong Hoon Park Seul Ki Kim Seung Woo Suh
author_facet	Taewook Kang Si Young Park Jin Hyeok Lee Soon Hyuck Lee Jong Hoon Park Seul Ki Kim Seung Woo Suh
author_sort	Taewook Kang
title	Incidence & Risk Factors of Postoperative Delirium After Spinal Surgery in Older Patients
title_short	Incidence & Risk Factors of Postoperative Delirium After Spinal Surgery in Older Patients
title_full	Incidence & Risk Factors of Postoperative Delirium After Spinal Surgery in Older Patients
title_fullStr	Incidence & Risk Factors of Postoperative Delirium After Spinal Surgery in Older Patients
title_full_unstemmed	Incidence & Risk Factors of Postoperative Delirium After Spinal Surgery in Older Patients
title_sort	incidence & risk factors of postoperative delirium after spinal surgery in older patients
publisher	Nature Portfolio
publishDate	2020
url	https://doaj.org/article/988284c3f2ca4de58d787d492ca6bb94
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Incidence & Risk Factors of Postoperative Delirium After Spinal Surgery in Older Patients

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