Preoperative Hyponatremia

Vassalotti, Joseph A.; DuPree, Erin

doi:10.1001/2013.jamainternmed.2

Cited by 5 publications

(1 citation statement)

References 8 publications

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“…1,32 Malnutrition and hyponatremia are considered risk factors for delirium, 6,22,23 and preventive interventions for these factors also reduce the incidence of other complications such as postoperative surgical site infection and mortality. [33][34][35] Therefore, a prospective study of postoperative delirium in elderly patients who have undergone spinal surgery with preoperative correction of malnutrition and hyponatremia may be important. 36 This study has several limitations.…”

Section: Discussionmentioning

confidence: 99%

Preoperative risk factors for delirium in patients aged ≥75 years undergoing spinal surgery: a retrospective study

et al. 2020

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Objective The increasing number of spinal surgeries being performed in the elderly has increased the incidence of postoperative delirium. The prediction of delirium is complex, and few studies have been performed to examine the preoperative risk factors for delirium after spinal surgery in the elderly. This study was performed to clarify such risk factors in patients aged ≥75 years undergoing spinal surgery. Method This retrospective observational study included 299 patients aged ≥75 years. Comorbidities, medication history, preoperative examination findings, surgery-related characteristics, and health scale assessments, including the 36-Item Short-Form Survey (SF-36) score and prognostic nutritional index (PNI), were examined as potential risk factors for delirium. Results Delirium occurred in 53 patients (17.7%). The preoperative risk factors for delirium were a history of stroke and mental disorders, hypnotic drug use, malnutrition, hyponatremia, anemia, respiratory dysfunction, and cervical surgery. Logistic regression analysis demonstrated that the independent predictors of delirium were a history of stroke, non-benzodiazepine hypnotic drug use, preoperative hyponatremia, the PNI, and the SF-36 physical component summary (PCS) score. Conclusions Independent preoperative predictors of delirium in elderly patients undergoing spinal surgery included a history of stroke, non-benzodiazepine hypnotic drug use, preoperative hyponatremia, the PNI, and the SF-36 PCS score.

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