Analysis of Risk Factors Associated with Hospital Readmission Within 360 Days After Degenerative Lumbar Spine Surgery in Elderly Patients

Jong Joo Lee, Seong Bae An, Tae Woo Kim, Dong Ah Shin, Seong Yi, Keung Nyun Kim, Do Heum Yoon, Hyun Chul Shin, Yoon Ha

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Abstract

Objective: There is a paucity of studies on readmission rates in elderly patients over a period of 360 days after spinal surgery. Methods: We identified 1248 patients older than 70 years who underwent degenerative lumbar spinal surgery from November 2005 to April 2015. We reviewed the patients who were readmitted within 360 days and compared them by univariate and multivariate analysis with the nonreadmitted patients for each period of 0–30, 30–90, 90–180, and 180–360 days postoperatively to determine risk factors for hospital readmission. Results: A total of 1248 patients (733 female, 58.7%) were enrolled in the study. The number of readmitted patients was 37 (2.96%), 94 (7.53%), 145 (11.62%), 182 (14.58%), and 213 (17.07%) at 30, 90, 180, 270, and 360 days, respectively. Surgical site–related problems decreased gradually in the first 0–90 days and slightly increased after then. Non-surgical site–related problems gradually increased with time. Logistic multiple regression analysis showed that electrocardiographic abnormalities, male sex, low hemoglobin levels, asthma, heart disease, intensive care unit admission, low alanine aminotransferase level, high body mass index, and high platelet level were risk factors for readmission. Conclusions: We found that electrocardiographic abnormalities, male sex, low hemoglobin levels, asthma, heart disease, intensive care unit admission, low aspartate aminotransferase level, high body mass index, and high platelet level were risk factors for readmission. As the postoperative observational period became longer, the reasons for readmission tended to be more related to non-surgical site–related problems than to surgical-related problems.

Original languageEnglish
Pages (from-to)e196-e207
JournalWorld Neurosurgery
Volume126
DOIs
Publication statusPublished - 2019 Jun

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Patient Readmission
Spine
Intensive Care Units
Heart Diseases
Hemoglobins
Body Mass Index
Blood Platelets
Asthma
Aspartate Aminotransferases
Alanine Transaminase
Postoperative Period
Multivariate Analysis
Logistic Models
Regression Analysis

All Science Journal Classification (ASJC) codes

  • Surgery
  • Clinical Neurology

Cite this

Lee, Jong Joo ; An, Seong Bae ; Kim, Tae Woo ; Shin, Dong Ah ; Yi, Seong ; Kim, Keung Nyun ; Yoon, Do Heum ; Shin, Hyun Chul ; Ha, Yoon. / Analysis of Risk Factors Associated with Hospital Readmission Within 360 Days After Degenerative Lumbar Spine Surgery in Elderly Patients. In: World Neurosurgery. 2019 ; Vol. 126. pp. e196-e207.
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abstract = "Objective: There is a paucity of studies on readmission rates in elderly patients over a period of 360 days after spinal surgery. Methods: We identified 1248 patients older than 70 years who underwent degenerative lumbar spinal surgery from November 2005 to April 2015. We reviewed the patients who were readmitted within 360 days and compared them by univariate and multivariate analysis with the nonreadmitted patients for each period of 0–30, 30–90, 90–180, and 180–360 days postoperatively to determine risk factors for hospital readmission. Results: A total of 1248 patients (733 female, 58.7{\%}) were enrolled in the study. The number of readmitted patients was 37 (2.96{\%}), 94 (7.53{\%}), 145 (11.62{\%}), 182 (14.58{\%}), and 213 (17.07{\%}) at 30, 90, 180, 270, and 360 days, respectively. Surgical site–related problems decreased gradually in the first 0–90 days and slightly increased after then. Non-surgical site–related problems gradually increased with time. Logistic multiple regression analysis showed that electrocardiographic abnormalities, male sex, low hemoglobin levels, asthma, heart disease, intensive care unit admission, low alanine aminotransferase level, high body mass index, and high platelet level were risk factors for readmission. Conclusions: We found that electrocardiographic abnormalities, male sex, low hemoglobin levels, asthma, heart disease, intensive care unit admission, low aspartate aminotransferase level, high body mass index, and high platelet level were risk factors for readmission. As the postoperative observational period became longer, the reasons for readmission tended to be more related to non-surgical site–related problems than to surgical-related problems.",
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Analysis of Risk Factors Associated with Hospital Readmission Within 360 Days After Degenerative Lumbar Spine Surgery in Elderly Patients. / Lee, Jong Joo; An, Seong Bae; Kim, Tae Woo; Shin, Dong Ah; Yi, Seong; Kim, Keung Nyun; Yoon, Do Heum; Shin, Hyun Chul; Ha, Yoon.

In: World Neurosurgery, Vol. 126, 06.2019, p. e196-e207.

Research output: Contribution to journalArticle

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N2 - Objective: There is a paucity of studies on readmission rates in elderly patients over a period of 360 days after spinal surgery. Methods: We identified 1248 patients older than 70 years who underwent degenerative lumbar spinal surgery from November 2005 to April 2015. We reviewed the patients who were readmitted within 360 days and compared them by univariate and multivariate analysis with the nonreadmitted patients for each period of 0–30, 30–90, 90–180, and 180–360 days postoperatively to determine risk factors for hospital readmission. Results: A total of 1248 patients (733 female, 58.7%) were enrolled in the study. The number of readmitted patients was 37 (2.96%), 94 (7.53%), 145 (11.62%), 182 (14.58%), and 213 (17.07%) at 30, 90, 180, 270, and 360 days, respectively. Surgical site–related problems decreased gradually in the first 0–90 days and slightly increased after then. Non-surgical site–related problems gradually increased with time. Logistic multiple regression analysis showed that electrocardiographic abnormalities, male sex, low hemoglobin levels, asthma, heart disease, intensive care unit admission, low alanine aminotransferase level, high body mass index, and high platelet level were risk factors for readmission. Conclusions: We found that electrocardiographic abnormalities, male sex, low hemoglobin levels, asthma, heart disease, intensive care unit admission, low aspartate aminotransferase level, high body mass index, and high platelet level were risk factors for readmission. As the postoperative observational period became longer, the reasons for readmission tended to be more related to non-surgical site–related problems than to surgical-related problems.

AB - Objective: There is a paucity of studies on readmission rates in elderly patients over a period of 360 days after spinal surgery. Methods: We identified 1248 patients older than 70 years who underwent degenerative lumbar spinal surgery from November 2005 to April 2015. We reviewed the patients who were readmitted within 360 days and compared them by univariate and multivariate analysis with the nonreadmitted patients for each period of 0–30, 30–90, 90–180, and 180–360 days postoperatively to determine risk factors for hospital readmission. Results: A total of 1248 patients (733 female, 58.7%) were enrolled in the study. The number of readmitted patients was 37 (2.96%), 94 (7.53%), 145 (11.62%), 182 (14.58%), and 213 (17.07%) at 30, 90, 180, 270, and 360 days, respectively. Surgical site–related problems decreased gradually in the first 0–90 days and slightly increased after then. Non-surgical site–related problems gradually increased with time. Logistic multiple regression analysis showed that electrocardiographic abnormalities, male sex, low hemoglobin levels, asthma, heart disease, intensive care unit admission, low alanine aminotransferase level, high body mass index, and high platelet level were risk factors for readmission. Conclusions: We found that electrocardiographic abnormalities, male sex, low hemoglobin levels, asthma, heart disease, intensive care unit admission, low aspartate aminotransferase level, high body mass index, and high platelet level were risk factors for readmission. As the postoperative observational period became longer, the reasons for readmission tended to be more related to non-surgical site–related problems than to surgical-related problems.

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