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Mendoza Vasquez LE, Chui J. A Rare Case of Transient Hemiplegia in a Patient With History of Spinal Cord Reperfusion Syndrome After Anterior Cervical Decompression and Fusion Surgery. J Neurosurg Anesthesiol 2023; 35:438-439. [PMID: 35605886 DOI: 10.1097/ana.0000000000000853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Affiliation(s)
- Luis E Mendoza Vasquez
- Department of Anesthesia & Perioperative Medicine, Schulich School of Medicine and Dentistry, Western University London, ON, Canada
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Huepe-Artigas D, Singh P, Weinberg L, Kanaan RAA. Anaesthesia and the development of functional neurological disorder: A systematic review and case series. Gen Hosp Psychiatry 2022; 78:72-79. [PMID: 35930973 DOI: 10.1016/j.genhosppsych.2022.07.011] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 07/18/2022] [Accepted: 07/20/2022] [Indexed: 11/24/2022]
Abstract
OBJECTIVE There are reports of functional neurological disorder (FND) developing after anaesthesia, though separating any aetiological role from other possible factors is challenging. We aimed to systematically review all published cases of post-anaesthetic FND to see if any common factors supported an anaesthetic role. We also aimed to identify all cases of post-anaesthetic FND arising in our FND clinic, to obtain an estimate of its frequency. METHODS For the review, a systematic search for published cases of FND developing within 48 h of anaesthesia was conducted in June 2022. For the case series, the medical records of all patients attending an FND clinic in Melbourne between 2017 and 2019 were examined, and all cases with FND within 48 h of anaesthesia extracted. RESULTS 36 published cases were identified for the review. Sixteen described preceding stressors and 16 psychiatric diagnoses, including 8 with previous FND. Thirty-two (92%) had undergone general anaesthesia, most commonly for obstetric procedures. Motor/sensory loss was the most common presentation, followed by seizures and coma. Most (80.5%) developed symptoms immediately on induction or cessation of anaesthesia. For the case series, 8 of 107 clinic patients (7.5%), developed FND within 48 h of anaesthesia. All had previous psychiatric diagnoses, including 3 with previous FND. Three underwent general anaesthesia and 3 procedural sedation, with seizures the most common presentation. All developed symptoms immediately on induction or cessation of anaesthesia. CONCLUSION These cases provide some support for an aetiological role for anaesthesia: there is evidence for an anaesthetic 'model' for the symptoms of FND that arise, they largely arise with the onset or termination of anaesthesia, and they arise most frequently during general anaesthesia or sedation.
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Affiliation(s)
- Daniela Huepe-Artigas
- Melbourne School of Psychological Sciences, University of Melbourne, VIC 3010, Australia.
| | | | - Laurence Weinberg
- Department of Anaesthesia, Austin Health, Heidelberg, VIC 3084, Australia; The University of Melbourne, Department of Surgery, Austin Health, Heidelberg, VIC 3084, Australia.
| | - Richard A A Kanaan
- The University of Melbourne, Department of Psychiatry, Austin Health, Heidelberg, VIC 3084, Australia; The Florey Institute of Neuroscience and Mental Health, Heidelberg, VIC 3084, Australia.
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Epstein NE. Review/perspective on hysterical paralysis: A diagnosis of exclusion for spinal surgeons. Surg Neurol Int 2022; 13:172. [PMID: 35509596 PMCID: PMC9062961 DOI: 10.25259/sni_278_2022] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 03/24/2022] [Indexed: 11/04/2022] Open
Abstract
Background:
Hysterical paralysis (HP) and/or conversion disorders (CD) are diagnoses of exclusion for spine surgeons. Before assigning this diagnosis to a patient, they must first undergo a full neurodiagnostic evaluation (i.e., X-rays, MR, CT/Myelo-CT) to rule out organic spinal pathology. Here, we reviewed select articles highlighting how to differentiate HP/CD patients from those with spinal disease.
Methods:
Several case studies and small series of patients with HP/CD were included in our analysis. Notably, prior to being assigned the diagnoses of HP/CD, patients had to first undergo X-ray, MR, CT, and/or Myelo-CT evaluations to rule out spinal disorders; typically, their neurodiagnostic studies were normal.
Results:
Patients with HP/CD often presented with varying clinical complaints of motor paralysis despite intact reflexes, normal sensory examinations, and lack of sphincter disturbance (i.e. intact rectal tone). Further, go and nogo functional MRI (fMRI) examinations demonstrated inconsistencies in areas of brain activation for patients with HP/CD complaints.
Conclusions:
HP/CD are diagnoses of exclusion, and patients should first undergo a full panel of neurodiagnostic studies to rule out organic spinal disease. While those with HP/CD should not have unnecessary operations, those with real “surgical pathology” should have appropriate spine surgery performed in a timely fashion.
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Fang M, Zhou J, Zeng Y, Huang S, Song Y. Conversion Paralysis After Cervical Surgery: A Case Report and Literature Review. Front Surg 2022; 9:814498. [PMID: 35252333 PMCID: PMC8892200 DOI: 10.3389/fsurg.2022.814498] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 01/24/2022] [Indexed: 12/02/2022] Open
Abstract
We report a case of conversion paralysis triggered by cervical surgery that was caused by cervical spondylotic myelopathy (CSM). A 67-year-old man underwent anterior cervical corpectomy decompression and fusion for CSM. Upon awakening from the anesthesia, he had incomplete paraplegia. Emergency surgery for hematoma evacuation was performed, but no obvious hematoma was found. After the second surgical procedure, he showed paraplegic. When the patient was informed that a third operation was needed, he recovered almost completely without any treatment. This case reminds us that spine surgeons should be aware of possible conversion paralysis, especially in patients who develop a new neurological deficit after spinal surgery.
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Affiliation(s)
- Miao Fang
- Department of Orthopedics, Chengdu Second People's Hospital, Chengdu, China
- Department of Orthopedics, West China Hospital of Sichuan University, Chengdu, China
| | - Jiaojiao Zhou
- Division of Ultrasound, West China Hospital of Sichuan University, Chengdu, China
| | - Yong Zeng
- Department of Orthopedics, Chengdu Second People's Hospital, Chengdu, China
| | - Shishu Huang
- Department of Orthopedics, West China Hospital of Sichuan University, Chengdu, China
| | - Yueming Song
- Department of Orthopedics, West China Hospital of Sichuan University, Chengdu, China
- *Correspondence: Yueming Song
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Yerneni K, Wadhwa H, Fatemi P, Zygourakis CC. Functional neurological disorders in patients undergoing spinal surgery: illustrative case. JOURNAL OF NEUROSURGERY: CASE LESSONS 2021; 1:CASE2068. [PMID: 35854933 PMCID: PMC9241316 DOI: 10.3171/case2068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Accepted: 10/30/2020] [Indexed: 11/30/2022]
Abstract
BACKGROUND “Conversion disorder” refers to bodily dysfunction characterized by either sensory or motor neurological symptoms that are unexplainable by a medical condition. Given their somatosensory context, such disorders often require extensive medical evaluation, and the diagnosis can only be made after structural disease is excluded or fails to account for the severity and/or spectrum of the patient’s deficits. OBSERVATIONS The authors briefly review functional psychiatric disorders and discuss the comprehensive workup of a patient with a functional postoperative neurological deficit, drawing from their recent experience with a patient who presented with conversion disorder immediately after undergoing anterior cervical discectomy and fusion. LESSONS Conversion disorder has been found to be associated with bodily stress, requiring surgeons to be aware of this condition in the postoperative setting. This is especially true in neurosurgery, given the overlap of true neurological pathology, postoperative complications, and manifestations of conversion disorder. Although accurately diagnosing and managing patients with conversion disorder remains challenging, an understanding of the multifactorial nature of its etiology can help clinicians develop a methodical approach to this condition.
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Affiliation(s)
- Ketan Yerneni
- Department of Neurological Surgery, Stanford University, Palo Alto, California
| | - Harsh Wadhwa
- Department of Neurological Surgery, Stanford University, Palo Alto, California
| | - Parastou Fatemi
- Department of Neurological Surgery, Stanford University, Palo Alto, California
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D'Souza RS, Vogt MNP, Rho EH. Post-operative functional neurological symptom disorder after anesthesia. Bosn J Basic Med Sci 2020; 20:381-388. [PMID: 32070267 PMCID: PMC7416177 DOI: 10.17305/bjbms.2020.4646] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Accepted: 02/11/2020] [Indexed: 01/08/2023] Open
Abstract
A rare manifestation during the post-anesthetic period may include the occurrence of functional neurological symptom disorder (FNSD). FNSD is described as neurological symptoms that are not consistently explained by neurological or medical conditions. We report a case series consisting of six patients who underwent a general anesthetic at a tertiary referral hospital and experienced FNSD in the immediate post-anesthetic period. Life-threatening causes were excluded based on benign physical exam findings and knowledge of past history. Five of six cases manifested with FNSD only in the immediate post-operative setting after exposure to anesthesia, and never otherwise experienced these symptoms during their normal daily lives. MEDLINE and Google Scholar were searched through October 2019 using a highly-sensitive search strategy and identified 38 published cases of post-anesthetic FNSD. Meta-analysis of pooled clinical data revealed that a significant proportion of patients were females (86%), reported a history of psychiatric illness (49%), reported a prior history of FNSD (53%), and underwent general anesthesia as the primary anesthetic (93%). The majority of patients were exposed to diagnostic studies (66% received radiographic tests and 52% received electroencephalogram) as well as pharmacologic therapy (57%). While no deaths occurred, many patients had unanticipated admission to the hospital (53%) or to the intensive care unit (25%). These data may help inform the anesthesia literature on presentation, risk factors, and treatment outcomes of FNSD in the context of anesthetic administration. We contemplate whether anesthetic agents may predispose a vulnerable brain to manifest with involuntary motor and sensory control seen in FNSD.
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Affiliation(s)
- Ryan S D'Souza
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Matthew N P Vogt
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Edwin H Rho
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, Minnesota, USA
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Murgai RR, VandenBerg C, Stevanovic M, Lightdale-Miric N. Upper extremity conversion disorder in children. J Shoulder Elbow Surg 2019; 28:e175-e181. [PMID: 30685281 DOI: 10.1016/j.jse.2018.10.027] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Revised: 10/25/2018] [Accepted: 10/28/2018] [Indexed: 02/01/2023]
Abstract
BACKGROUND Conversion disorder in children presents a challenge to orthopedic surgeons. The condition is frequently associated with unnecessary diagnostic tests, treatments, and cost. The purpose of this study was to report a series of children with upper extremity conversion disorder to raise awareness for this uncommon condition and to assist with its diagnosis and management. METHODS A retrospective review was conducted of 4 pediatric patients with upper extremity conversion disorder at a tertiary pediatric hospital from 2015 to 2017. Medical records were reviewed for patient demographics, including psychiatric history, clinical findings, diagnostic studies, treatment, and cost of care. RESULTS Patients presented with upper extremity muscle stiffness, unremitting dysmorphic muscle spasms, weakness, pain, very limited shoulder range of motion, and complaints of recurrent shoulder dislocations. All patients had been evaluated by multiple specialists and had an extensive prior diagnostic workup that was inconclusive. Two patients had a history of prior psychiatric illness and suicidal ideation, and all patients expressed despair and depression. All patients had normal physical examination findings under anesthesia. Two patients with muscle stiffness were treated with botulism injections and improved their shoulder range of motion. The average total charge for care since presentation was $42,729. CONCLUSIONS Conversion disorder should be considered in patients with an extensive prior diagnostic workup, deficits inconsistent with anatomic patterns or imaging findings, and a history of prior psychiatric illness. Examination under anesthesia is a successful diagnostic approach in children with suspected conversion disorder.
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Affiliation(s)
- Rajan R Murgai
- Children's Orthopaedic Center, Children's Hospital Los Angeles, Los Angeles, CA, USA
| | - Curtis VandenBerg
- Children's Orthopaedic Center, Children's Hospital Los Angeles, Los Angeles, CA, USA
| | - Milan Stevanovic
- Children's Orthopaedic Center, Children's Hospital Los Angeles, Los Angeles, CA, USA; Department of Orthopaedic Surgery, University of Southern California, Los Angeles, CA, USA
| | - Nina Lightdale-Miric
- Children's Orthopaedic Center, Children's Hospital Los Angeles, Los Angeles, CA, USA.
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Gennari A, Mazas S, Coudert P, Gille O, Vital JM. Outpatient anterior cervical discectomy: A French study and literature review. Orthop Traumatol Surg Res 2018; 104:581-584. [PMID: 29902639 DOI: 10.1016/j.otsr.2018.04.014] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Revised: 04/03/2018] [Accepted: 04/16/2018] [Indexed: 02/02/2023]
Abstract
INTRODUCTION In France, surgery for lumbar disc herniation is now being done in the outpatient ambulatory setting at select facilities. However, surgery for the cervical spine in this setting is controversial because of the dangers of neck hematoma. We wanted to share our experience with performing ambulatory anterior cervical discectomy in 30 patients at our facility. RESULTS Since 2014, 30 patients (16 men, 14 women; mean age of 47.2 years) with cervical radiculopathy due to single-level cervical disc disease (19 at C5-C6 and 11 at C6-C7) were operated at our ambulatory surgery center. After anterior cervical discectomy, cervical disc replacement was performed in 13 patients and fusion in 17 patients. The mean operative time was 38minutes and the mean duration of postoperative monitoring was 7hours 30minutes. The patients stayed at the healthcare facility for an average of 10hours 10minutes. One female patient (3%) was transferred to a standard hospital unit due to a neurological deficit requiring surgical revision with no cause identified. Two patients (7%) were rehospitalized on Day 1 due to dysphagia that resolved spontaneously. Thus the "ambulatory success rate" was 90% (27/30). There were no other complications and the overall satisfaction rate was excellent (9.6/10). DISCUSSION Outpatient anterior cervical discectomy is now widely performed in the United States. Ours is the first study of French patients undergoing this procedure. The complication rate was very low (<2%) and even lower than patients treated in an inpatient hospital setting in comparative studies. Note that our patients were carefully selected for outpatient surgery as certain risk factors for complications have previously been identified (age, 3+levels, comorbidities/ASA>2). No deaths in the first 30 days postoperative have been reported in the literature. Wound hematoma leading to airway compromise is rare in the ambulatory setting (0.2%). The few cases that occurred were detected early and the hematoma drained before the patient was discharged. Dysphagia is actually the most common complication (8 to 30%). CONCLUSION Cervical spine surgery can be performed in an ambulatory surgery center in carefully selected patients. Our criteria are patients less than 65 years of age, single-level disease, ASA<2, and standard cervical morphology. The complication and readmission rates are low. Careful hemostasis combined with close postoperative monitoring for at least 6hours helps to reduce the risk of neck hematoma. Prevention of postoperative dysphagia must be a focus of the care provided.
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Affiliation(s)
- Antoine Gennari
- Service d'orthopédie, unité rachis 1, CHU de Pellegrin, 33000 Bordeaux, France.
| | - Simon Mazas
- Service d'orthopédie, unité rachis 1, CHU de Pellegrin, 33000 Bordeaux, France
| | - Pierre Coudert
- Service d'orthopédie, unité rachis 1, CHU de Pellegrin, 33000 Bordeaux, France
| | - Olivier Gille
- Service d'orthopédie, unité rachis 1, CHU de Pellegrin, 33000 Bordeaux, France
| | - Jean-Marc Vital
- Service d'orthopédie, unité rachis 1, CHU de Pellegrin, 33000 Bordeaux, France
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