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Kalluri AL, Ejimogu E, Kilgore C, Nair SK, Ran KR, Abdulrahim M, Xie ME, Halbert-Elliott K, Yedavalli V, Lim M, Jackson CM, Huang J, Bettegowda C, Xu R. Preoperative Opioid Use and Postoperative Outcomes in Patients Undergoing Microvascular Decompression for Trigeminal Neuralgia. Neurosurgery 2024; 95:548-555. [PMID: 38483172 DOI: 10.1227/neu.0000000000002904] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Accepted: 01/08/2024] [Indexed: 08/16/2024] Open
Abstract
BACKGROUND AND OBJECTIVES The prescription of opioid analgesics for trigeminal neuralgia (TN) is controversial, and their effect on postoperative outcomes for patients with TN undergoing microvascular decompression (MVD) has not been reported. We aimed to describe the relationship between preoperative opioid use and postoperative outcomes in patients with TN undergoing MVD. METHODS We reviewed the records of 920 patients with TN at our institution who underwent an MVD between 2007 and 2020. Patients were sorted into 2 groups based on preoperative opioid usage. Demographic information, comorbidities, characteristics of TN, preoperative medications, pain and numbness outcomes, and recurrence data were recorded and compared between groups. Multivariate ordinal regression, Kaplan-Meier survival analysis, and Cox proportional hazards were used to assess differences in pain outcomes between groups. RESULTS One hundred and forty-five (15.8%) patients in this study used opioids preoperatively. Patients who used opioids preoperatively were younger ( P = .04), were more likely to have a smoking history ( P < .001), experienced greater pain in modified Barrow Neurological Institute pain score at final follow-up ( P = .001), and were more likely to experience pain recurrence ( P = .01). In addition, patients who used opioids preoperatively were more likely to also have been prescribed TN medications including muscle relaxants and antidepressants preoperatively ( P < .001 and P < .001, respectively). On multivariate regression, opioid use was an independent risk factor for greater postoperative pain at final follow-up ( P = .006) after controlling for variables including female sex and age. Opioid use was associated with shorter time to pain recurrence on Kaplan-Meier analysis ( P = .005) and was associated with increased risk for recurrence on Cox proportional hazards regression ( P = .008). CONCLUSION Preoperative opioid use in the setting of TN is associated with worse pain outcomes and increased risk for pain recurrence after MVD. These results indicate that opioids should be prescribed cautiously for TN and that worse post-MVD outcomes may occur in patients using opioids preoperatively.
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Affiliation(s)
- Anita L Kalluri
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore , Maryland , USA
| | - Emeka Ejimogu
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore , Maryland , USA
| | - Collin Kilgore
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore , Maryland , USA
| | - Sumil K Nair
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore , Maryland , USA
| | - Kathleen R Ran
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore , Maryland , USA
| | - Mostafa Abdulrahim
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore , Maryland , USA
| | - Michael E Xie
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore , Maryland , USA
| | - Kyra Halbert-Elliott
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore , Maryland , USA
| | - Vivek Yedavalli
- Department of Radiology, Johns Hopkins University School of Medicine, Baltimore , Maryland , USA
| | - Michael Lim
- Department of Neurosurgery, Stanford University School of Medicine, Palo Alto , California , USA
| | - Christopher M Jackson
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore , Maryland , USA
| | - Judy Huang
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore , Maryland , USA
| | - Chetan Bettegowda
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore , Maryland , USA
| | - Risheng Xu
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore , Maryland , USA
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Ashina S, Robertson CE, Srikiatkhachorn A, Di Stefano G, Donnet A, Hodaie M, Obermann M, Romero-Reyes M, Park YS, Cruccu G, Bendtsen L. Trigeminal neuralgia. Nat Rev Dis Primers 2024; 10:39. [PMID: 38816415 DOI: 10.1038/s41572-024-00523-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 04/25/2024] [Indexed: 06/01/2024]
Abstract
Trigeminal neuralgia (TN) is a facial pain disorder characterized by intense and paroxysmal pain that profoundly affects quality of life and presents complex challenges in diagnosis and treatment. TN can be categorized as classical, secondary and idiopathic. Epidemiological studies show variable incidence rates and an increased prevalence in women and in the elderly, with familial cases suggesting genetic factors. The pathophysiology of TN is multifactorial and involves genetic predisposition, anatomical changes, and neurophysiological factors, leading to hyperexcitable neuronal states, central sensitization and widespread neural plasticity changes. Neurovascular compression of the trigeminal root, which undergoes major morphological changes, and focal demyelination of primary trigeminal afferents are key aetiological factors in TN. Structural and functional brain imaging studies in patients with TN demonstrated abnormalities in brain regions responsible for pain modulation and emotional processing of pain. Treatment of TN involves a multifaceted approach that considers patient-specific factors, including the type of TN, with initial pharmacotherapy followed by surgical options if necessary. First-line pharmacological treatments include carbamazepine and oxcarbazepine. Surgical interventions, including microvascular decompression and percutaneous neuroablative procedures, can be considered at an early stage if pharmacotherapy is not sufficient for pain control or has intolerable adverse effects or contraindications.
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Affiliation(s)
- Sait Ashina
- BIDMC Comprehensive Headache Center, Department of Neurology, Harvard Medical School, Beth Israel Deaconess Medical Center, Boston, MA, USA.
- BIDMC Comprehensive Headache Center, Department of Anaesthesia, Critical Care and Pain Medicine, Harvard Medical School, Beth Israel Deaconess Medical Center, Boston, MA, USA.
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.
| | | | - Anan Srikiatkhachorn
- Faculty of Medicine, King Mongkut's Institute of Technology Ladkrabang, Bangkok, Thailand
| | - Giulia Di Stefano
- Department of Human Neuroscience, Sapienza University of Rome, Rome, Italy
| | - Anne Donnet
- Department of Evaluation and Treatment of Pain, FHU INOVPAIN, Centre Hospitalier Universitaire de Marseille, Hopital de la Timone, Assistance Publique-Hopitaux de Marseille, Marseille, France
| | - Mojgan Hodaie
- Department of Surgery, Division of Neurosurgery, University of Toronto, Toronto, Ontairo, Canada
| | - Mark Obermann
- Department of Neurology, Hospital Weser-Egge, Hoexter, Germany
- Department of Neurology, University Hospital Essen, Essen, Germany
| | - Marcela Romero-Reyes
- Department of Pain and Neural Sciences, Brotman Facial Pain Clinic, University of Maryland, School of Dentistry, Baltimore, MD, USA
| | - Young Seok Park
- Department of Medical Neuroscience, College of Medicine, Chungbuk National University, Cheongju, Republic of Korea
- Department of Neurosurgery, Gamma Knife Icon Center, Chungbuk National University Hospital, Cheongju, Republic of Korea
| | - Giorgio Cruccu
- Department of Human Neuroscience, Sapienza University of Rome, Rome, Italy
| | - Lars Bendtsen
- Department of Neurology, Mayo Clinic, Rochester, MN, USA
- Department of Neurology, University of Copenhagen, Danish Headache Center, Copenhagen University Hospital - Rigshospitalet, Glostrup, Copenhagen, Denmark
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Kilgore CB, Kalluri AL, Nair SK, Halbert-Elliot KM, Ejimogu E, Dong B, Chakravarti S, Abdulrahim MW, Jackson CM, Lim M, Huang J, Bettegowda C, Xu R. Frailty Predicts Worse Pain Outcomes for Older TN Patients Treated with Microvascular Decompression. World Neurosurg 2023; 180:e700-e705. [PMID: 37821032 PMCID: PMC11104275 DOI: 10.1016/j.wneu.2023.10.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 10/02/2023] [Accepted: 10/03/2023] [Indexed: 10/13/2023]
Abstract
BACKGROUND Trigeminal neuralgia (TN) is a debilitating orofacial pain disorder. Recent data from a national database suggest that microvascular decompression (MVD) in frail patients is associated with more postoperative complications. However, the long-term pain outcomes for frail TN patients are not known. We aimed to elucidate the relationship between frailty and long-term pain outcomes after MVD for TN. METHODS From 2007 to 2020, 368 TN patients aged ≥60 years underwent MVD at our institution. Patient demographics, clinical characteristics, postoperative complications, and long-term pain outcomes were recorded. Frailty was assessed using the modified 5-item frailty index (mFI-5) score, and the patients were dichotomized into nonfrail (mFI-5 <2) and frail (mFI-5 >1). Differences were assessed via the t test, χ2 test, multivariate ordinal regression, and Cox proportional hazards analysis. RESULTS Of the 368 patients analyzed, 9.8% were frail. The frail patients were significantly older (P = 0.02) with a higher body mass index (P = 0.01) and a greater incidence of comorbidities (P < 0.001). Frail patients presented with significantly higher pain levels at the final follow-up (P = 0.04). On multivariate analysis, frailty was independently associated with more pain at follow-up (P = 0.01), as was younger age, female sex, and black race. The relationship between frailty and postoperative pain recurrence showed a trend toward significance (P = 0.06), and younger age and black race were significantly associated with recurrence. CONCLUSIONS Frail patients undergoing MVD are at risk of worse long-term pain outcomes. Our results provide clinicians with useful information pertaining to the influence of frailty on the long-term efficacy of MVD in treating TN.
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Affiliation(s)
- Collin B Kilgore
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA; Medical Scientist Training Program, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Anita L Kalluri
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Sumil K Nair
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Kyra M Halbert-Elliot
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Emeka Ejimogu
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA; Medical Scientist Training Program, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Bryan Dong
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Sachiv Chakravarti
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Mostafa W Abdulrahim
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Christopher M Jackson
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Michael Lim
- Department of Neurosurgery, Stanford University School of Medicine, Palo Alto, California, USA
| | - Judy Huang
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Chetan Bettegowda
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Risheng Xu
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.
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