Journal of Korean Neurosurgical Society

The Korean Neurosurgical Society (대한신경외과학회)
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Epidemiologic Study of Operative Treatment for Spinal Metastasis in Thailand : A Review of National Healthcare Data from 2005 to 2014

  • Luksanapruksa, Panya (Department of Orthopedic Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University) ;
  • Santipas, Borriwat (Department of Orthopedic Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University) ;
  • Ruangchainikom, Monchai (Department of Orthopedic Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University) ;
  • Korwutthikulrangsri, Ekkapoj (Department of Orthopedic Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University) ;
  • Pichaisak, Witchate (Department of Orthopedic Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University) ;
  • Wilartratsami, Sirichai (Department of Orthopedic Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University)
  • Received : 2020.11.30
  • Accepted : 2021.04.07
  • Published : 2022.01.01
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Abstract

Objective : To study the factors relating to operative treatment for spinal metastasis in Thailand during 2005-2014 and to determine the hospital costs, mortality rate, and incidence of perioperative complication. Methods : Inpatient reimbursement data from 2005 to 2014 was reviewed from three national healthcare organizations, including the National Health Security Office, the Social Security Office, and the Comptroller General's Department. The search criteria were secondary malignant neoplasm of bone and bone marrow patients (International Classification of Diseases 10th revision, Thai modification codes [ICD 10-TM], C79.5 and C79.8) who underwent spinal surgical treatment (ICD 9th revision, clinical modification procedure with extension codes [ICD 9-CM], 03.0, 03.4, 03.09, and 81.0) during 2005-2014. Epidemiology, comorbidity, and perioperative complication were analyzed. Results : During the study period, the number of spinal metastasis patients who underwent operative treatment was significantly increased from 0.30 to 0.59 per 100000 (p<0.001). More males (56.14%) underwent surgical treatment for spinal metastasis than females. The most common age group was 45-64 (55.1%). The most common primary tumor sites were the unknown origin, lung, breast, prostate, and hepatocellular/bile duct. Interestingly, the proportion of hepatocellular/bile duct, breast, and lung cancer was significantly increased (p<0.001). The number of patients who had comorbidity or in-hospital complication significantly increased over time (p<0.01); however, the in-hospital mortality rate decreased. Conclusion : During the last decade, operative treatment for spinal metastasis increased in Thailand. The overall in-hospital complication rate increased; however, the in-hospital mortality rate decreased.

Keywords

Acknowledgement

This study was funded by a grant from the faculty of Medicine, Mahidol University, Siriraj Hospital (grant no. R015832033). The authors would like to thank Miss Nhathita Panatreswas for statistical analysis, editing the manuscript, and assisting with the journal submission process.

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