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1mediterranean journal 31
of RHEUMATOLOGY 2o2o
©Ulutas F, Cobankara V, Karasu U, Baser N, Akbudak IH.
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CASE REPORT
A Rare Case with Systemic Lupus Erythematosus Manifested by two Different Neurologic Entities; Guillain Barre Syndrome and Posterior Reversible Encephalopathy Syndrome
Firdevs Uluta?1 , Veli Qobankara1 , Ugur Karasu1 , Nuri Baser2, Ismail Hakki Akbudak3
department of Rheumatology, 2Department of Internal Medicine, 3Department of Intensive Care Unit, Faculty of Medicine, Pamukkale University, Denizli, Turkey
ABSTRACT
Systemic lupus erythematosus (SLE) is an immune-mediated, lifelong disease characterized by quite heterogeneous neuropsychiatry manifestations. Herewith, we report the first rare co-incidental case with posterior reversible encephalopathy syndrome (PRES), Guillain Barre Syndrome (GBS), and (SLE). The coexistence of these neurological conditions in SLE patients could lead to delayed diagnosis and treatment due to this rare coalescence and clinical diversity. Currently, there are no specific, diagnostic radiological or laboratory biomarkers for neurological involvement in SLE. Awareness and, early recognition of neuropsychiatric involvements of the disease are important for timely appropriate treatment. Delayed treatment may cause permanent damage, poor prognosis, long term morbidity, and even death.
Mediterr J Rheumatol 2020;31(3):358-61 https://doi.org/10.31138/mjr.31.3.358
Article Submitted: 11 Feb 2020; Revised Form: 12 May 2020; Article Accepted: 10 Jul 2020; Available Online: 30 Sep 2020
Keywords: Systemic lupus erythematosus, Guillain-Barre Syndrome, posterior reversible encephalopathy syndrome
INTRODUCTION
Systemic lupus erythematosus (SLE) is an immune-mediated, lifelong disease. Vasculitis of small vessels, deposition of immune complexes, and autoantibody production and deposition in various organs play a role in the disease pathogenesis. Neuropsychiatric manifestations of SLE,
including headaches, seizures, psychosis, Corresponding Author: and delirium, are quite
Firdevs Uluta§ heterogeneous and
Department of Rheumatology, may occur at the onset
Faculty of Medicine of lupus or later in the
Pamukkale University course of the disease.
Qamlaralti, Kinikli Yerle§kesi The frequency of
Universite Cd. No:11, 20160 Pamukkale, neurologic involvement Turkey ranges between 12%-
Tel.: +90 530 094 4632 95% in SLE patients.1
E-mail: firdevsulutas1014@gmail.com Peripheral nervous
system involvement is in less than 10% of all nervous system manifestations.2 The simultaneous prevalence of SLE with Guillain Barre Syndrome (GBS) has been reported to be between 0.6% and 1.7%, whereas the prevalence of posterior reversible encephalopathy syndrome (PRES) is 0.69% in SLE.3 The coexistence of PRES and GBS in SLE patients has not been reported in the past. Prompt diagnosis and treatment of patients can be delayed due to this rare coalescence and clinical diversity. Also, many confusing clinical conditions including hypertensive and uremic encephalopathy, delirium, use of cytotoxic drugs, ischemic or haemorrhagic cerebrovascular events, and infections may have added to the neurological involvement.4 Although it is difficult to find overlapping effects of predisposing factors in these patients, making the distinction of the above clinical conditions is very important for treatment modalities. In the literature, this is the first educational case where GBS and PRES occurred together in an SLE patient.
358 Cite this article as: Uluta§ F, Qobankara V, Karasu U, Baser N, Akbudak IH. A Rare Case with Systemic Lupus Erythematosus Manifested by two Different Neurologic Entities; Guillain Barre Syndrome and Posterior Reversible Encephalopathy Syndrome. Mediterr J Rheumatol 2020;31(3):358-61.
CASE REPORT
A 39-year-old man with a previous history of urogenital infection one year ago, was admitted to the inpatient clinic of Neurology at Pamukkale University, Denizli. He complained of acute onset lower extremity pain, numbness and progressive weakness, stiffness in the ankles, and walking instability for the previous two weeks. At presentation, he was afebrile and normotensive. He was unable to stand alone. He had no malar rash, no oral ulcers, no weight loss, no alcohol or illicit drug use, and no high-risk sexual behaviour. On physical exam, the muscle strength in his legs was 3/5 proximally and 2/5 distally and his deep tendon reflexes were absent. The pattern in the distal limbs resembled acute onset symmetric ascending paraparesis. Bilateral axillary and inguinal 1-2 cm superficial lymphadenopathies were noted. Cerebrospinal fluid and nerve conduction studies showed albuminocytologic dissociation and findings of dysautonomic inflammatory demyelinating polyneuro-pathy, respectively. He was firstly treated with standard therapies including intravenous immunoglobulin (IVIG) and plasmapheresis sessions for the diagnosis of Guillain Barre Syndrome, but did not respond well to these therapies. Brain and whole spine magnetic resonance imaging was normal and inguinal excisional lymph node biopsy resulted in reactive lymphoid hyperplasia. Serum angiotensin converting enzyme (ACE) level was normal, and no lymph node or parenchymal involvement was detected in lung tomography. After excluding sarcoidosis, infections, malignancies, and antiphospholipid antibody syndrome, he was diagnosed as SLE with the presence of symmetrical arthralgia and positive immunological markers including positive antinuclear antibody, anti-dsD-NA antibody, anti-Smith antibody, and anti-SSA antibody with low complement levels, meeting the minimum 4 of 11 classification criteria created by the American College of Rheumatology. Laboratory tests revealed no hematological or renal involvement. Intravenous pulse methylprednisolone (1000 mg per day, 5 consecutive days) and cyclophosphamide (1000 mg single dose per month) were given. After intensive immunosuppressive treatments, he had tonic clonic seizures and severe headaches. Hypertension was observed (160/110). Concurrent infections and cerebrovascular insults were excluded. His brain magnetic resonance imaging (MRI) was consistent with hyperintense white matter vasoge-nic edema, predominantly the right side of the posterior brain on T2 weighted images (Figure 1). He was treated with antiepileptic and antiedema therapies. Parenteral antihypertensive agents were titrated for adequate blood pressure control. Post-treatment, complete resolution of vasogenic edema was observed on fluid-attenuated inversion recovery (FLAIR) MRI images (Figure 2). Thus the diagnosis of Posterior Reversible Encephalopathy Syndrome (PRES) was made. Despite aggressive in-
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Figure 1: T2 weighted image of brain MRI 39-year-old man with systemic lupus erythematosus, presenting with headache and seizures after cytotoxic treatment and hypertension. Hyperintense lesions, posterior subcortical right side predominant vasogenic white matter edema is seen indicating PRES.
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Figure 2: FLAIR MRI; complete resolution of vasogenic edema after supportive treatments
mediterranean journal 31
of RHEUMATOLOGY 3 2020
tensive care management, no clinical improvement was seen and the patient subsequently died as a result of the neurological insult.
DISCUSSION
This is the first original educational case where GBS and PRES occurred together in an SLE patient. Only 15 cases with PRES and GBS have been reported in the recent literature, with the vast majority of patients being female and older than the age of 55.5 PRES can develop in association with autoimmune diseases like SLE, GBS, and polyarteritis nodosa. Although the association between PRES and GBS are poorly understood, underlying possible mechanisms leading to PRES in GBS patients may include dysautonomia, autoimmunity, IVIG therapy, and activation of the sympathetic nervous system. Dysautonomic cardiac and cerebrovascular complications of GBS include tachy-bradycardia, hypo-hypertension, and PRES, respectively.6 The rare coexistence of PRES and GBS has also been reported after spinal surgery,7 in association with hyponatremia and IVIG therapy8 and head injury.9 The 75% of patients with SLE can present with many different neuropsychiatric manifestations from headache to stroke throughout the course of the disease.10 In patients with GBS, autoantibodies target peripheral nervous system cells. As a result, damaged nerves cannot transmit signals from the brain to the muscles. Many studies showed that antecedent viral or bacterial infectious agents like Campylobacter play a role in the etiology and may trigger autoimmune peripheral neuropathy. The recent cases of GBS and SLE in the literature were treated successfully with a combination of IVIG, corticosteroids, plasma exchange, and/or intravenous cyclophosphami-de (CyC). The response rate of treatments was stated as 77.4% of patients with different types of peripheral nervous system involvement.11 Although multiple clinical trials demonstrated the significant benefits of intravenous immunoglobulin and plasma exchange for the treatment of GBS, our patient did not respond to initial treatment modalities and his clinical condition worsened.12 During the intensive immunosuppressive treatment including CyC and pulse steroid, he developed posterior reversible encephalopathy syndrome (PRES). This was first described in 1996 by Hinchey.13 This neuroradiological disease is characterized by classical symptoms like headache, altered mental function, visual symptoms, vomiting, seizures, and with typical bilateral posterior subcortical brain edema on magnetic resonance imaging. PRES is completely reversible with supportive treatments and does not require immunosuppressive drugs. The rate in SLE patients was 18% in a case series of 120 patients with PRES and patients diagnosed with SLE and PRES were analyzed retrospectively. Concurrent hypertension, treatment with high dose steroids, and CyC have also
been reported as risk factors.14 CyC is a mainstay drug for neurolupus and lupus nephritis and may trigger PRES via direct endothelial cytotoxic effects at the blood brain barrier.15 In another study, renal insufficiency and high SLE Disease Activity Index (SLEDAI) were also shown to be risk factors for the development of PRES.16 Cui Hw et al. stated that SLE patients with PRES had more early disease onset with predominantly seizures, and higher mortality rates than controls.17 Severe hypertension disrupts the autoregulation of brain blood flow. Also, interleukin-6 (IL-6)-related inflammation and endothelial damage are thought to cause hyperperfusion induced vasogenic edema and brain injury in SLE, which show a high mortality rate.18 Male gender, atypic presentation with GBS, early disease onset, and unresponsiveness to previous treatment modalities were poor prognostic factors for our patient.
Herewith, we report the first rare coincidental case with PRES, GBS, and SLE. Underlying possible conditions in this patient were not clear. The underlying autoimmune diseases including SLE and GBS, concurrent hypertension, the use of cyclophosphamide (CyC), and IVIG may be predisposing causes for the development of PRES. We did not have a chance for further distinction due to the lethal outcome of the disease. Nevertheless, we surmise that cyclophosphamide-related PRES developed rather than active lupus disease. The patient already had been treated with intensive immunosuppressive drugs for active disease.
CONCLUSIONS
Currently, there are no specific, diagnostic radiological or laboratory biomarkers for neurological involvement in SLE. Awareness and early recognition of neuropsychiatric involvements of the disease are important for timely and appropriate treatment. Delayed treatment may cause permanent damage, poor prognosis, long term morbidity, and even death. We hope that this case could raise awareness of atypical presentations of neuropsychiatric involvement in SLE patients.
CONFLICT OF INTEREST
The authors declare no conflict of interest.
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