Postoperative delirium is common in geriatric patients. Few studies have examined events in the postoperative period that may contribute to the occurrence of postoperative delirium. We hypothesized that postoperative delirium is related to postoperative pain and/or pain management strategy. Patients aged > or =65 years who were scheduled for major noncardiac surgery were studied. A structured interview was conducted preoperatively and for the first 3 postoperative days to determine the presence of delirium using the Confusion Assessment Method. The method of postoperative pain management, as well as pre- and postoperative medications for the first 3 days, was collected. Pre- and postoperative pain at rest and with movement was recorded using the Visual Analog Scale. Three hundred thirty-three patients, with a mean age of 74 +/- 6 years, were studied. After surgery, 46% of patients developed postoperative delirium. By multivariate logistic regression, age (odds ratio [OR], 2.5; 95% confidence interval [CI] 1.5 to 4.2), moderate (OR, 2.2; 95% CI 1.2 to 4.0) and severe (OR, 3.7; 95% CI 1.5 to 9.0) preoperative resting pain, and increase in level of pain from baseline to postoperative day one (OR, 1.1; 95% CI 1.01 to 1.2) were independently associated with a greater risk for the development of postoperative delirium. In contrast, patients who used oral opioid analgesics as their sole means of postoperative pain control were at decreased risk of developing delirium in comparison with those who used opioid analgesics via IV patient-controlled analgesia technique (OR, 0.4; 95% CI 0.2 to 0.7). These results validate our hypothesis that pain and pain management strategies are important factors related to the development of postoperative delirium in elderly patients.
Preoperative screening for the presence of depressive symptoms can be performed easily in elderly patients, and yields useful prognostic information relating to postoperative delirium.
Introduction The term Tolosa-Hunt Syndrome was first used more than half a century ago to describe painful ophthalmoplegia accompanied by cranial nerve palsies. In the decades since, its diagnostic criteria have evolved considerably. The beta version of the 3rd Edition of the International Classification of Headache Disorders narrows these criteria to require the demonstration of granulomatous inflammation on MRI or biopsy. We believe this may introduce challenges to accurate diagnosis. Discussion Requiring the demonstration of granulomatous inflammation for a diagnosis of Tolosa-Hunt Syndrome may introduce the potential for false negative and false positive diagnoses. Although the disorder presents secondary to granulomatous inflammation, MRI technology may not be able to identify it reliably, and biopsy is not always indicated for its symptomatology. Additionally, several cases have been reported of Tolosa-Hunt Syndrome diagnosed with MRI-confirmed granulomatous inflammation that later prove to be attributable to other pathologies. The emphasis on neuroimaging may therefore exclude some true Tolosa-Hunt Syndrome cases and include others resulting from other latent pathologies that are not visible on MRI. Conclusion We wish to offer several potential modifications to the International Classification of Headache Disorders guidelines for Tolosa-Hunt Syndrome, including making the demonstration of granulomatous inflammation on MRI or biopsy non-mandatory and lengthening patient follow-up to two years for cases in which MRI is unrevealing.
IntroductionTolosa‐Hunt syndrome (THS), a condition characterized by painful ophthalmoplegia and accompanied by cranial nerve palsies, remains as a diagnosis of exclusion. Nevertheless, the 3rd Edition of the International Classification of Headache Disorders (ICHD) has refined its diagnostic criteria to require the demonstration of granulomatous inflammation on magnetic resonance imaging or biopsy. We sought to assess the effectiveness of the new criteria in arriving at accurate diagnoses.MethodsWe extracted all patient charts from our institution’s electronic medical record associated with ICD‐9 code 378.55 (external ophthalmoplegia). We then completed the retrospective diagnostic workups to determine if subjects met ICHD‐3 criteria for THS and compared our findings with their final diagnoses.ResultsOf 62 patients associated with ICD‐9 code 378.55, 10 (16%) was identified to have presenting symptoms concerning THS. The average age at the first onset of THS‐like symptoms was 58 years. Five of the 10 (50%) met ICHD‐3 criteria for THS. Two of the 5 (40%) meeting ICHD‐3 criteria for THS were discovered to have other diagnoses. Two of the 5 (40%) patients not meeting ICHD‐3 criteria for THS nevertheless received a final diagnosis of THS.DiscussionOur false‐negative rate of 40% is consistent with previous case series found in the literature. Our false‐positive rate of 40% is, to our knowledge, a new contribution to the literature as no other case series includes more than a single false‐positive. The false‐positive rate is most concerning, as a preliminary misdiagnosis of THS can delay treatment tailored to the true etiology. Furthermore, infectious etiologies can be exacerbated with steroid treatment.ConclusionOur case series suggests that ICHD‐3 criteria are suboptimal for the accurate diagnosis of THS. We recommend a close follow‐up for all patients with symptoms concerning THS until a definitive responsible etiology is discovered and we encourage further studies assessing ICHD‐3 guidelines to optimize their sensitivity and specificity in the diagnosis of THS.
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