Abstract
INTRODUCTION: Familial dysautonomia (FD) is a progressive neurogenetic disease with carrier rate as high as 1 in 18 persons in European Jews of Polish origin. Clinical hallmarks include cardiovascular instability, spinal deformities, renal dysfunction, alacrima, ataxia, and impaired nociception. Physical or emotional stress may elicit autonomic crises characterized by hypertension and vomiting. Despite profound sensory deficits, GI perturbations are frequently reported by FD patients. While the incidence of inflammatory bowel disease (IBD) and FD is unknown, concurrence is underreported given increased frequency of both diseases in Ashkenazi Jews. CASE DESCRIPTION/METHODS: We report a 33-year-old female with FD and ulcerative colitis who presented with one week of abdominal pain and bloody diarrhea. She had been maintained on balsalazide. Colonoscopy one year prior revealed endoscopic and histologic remission. On physical examination, her abdomen was tender in the lower quadrants. A CT scan revealed pancolitis. Stool studies resulted negative. Her CRP was 58.4 mg/L and albumin was 2.4 g/dL. A flexible sigmoidoscopy noted Mayo endoscopic score 3 in the rectum and CMV staining was negative. The patient was started on IV steroids. Her hospital course was complicated by ileus, parainfluenza infection, and MSSA bacteremia with a pacemaker lead vegetation, requiring extraction. Lack of optimal clinical response to treatment on hospital day five led to consideration of alternative treatments with careful attention to her underlying FD. A subtotal colectomy with end ileostomy was unfavorable due to concern for volume loss. Infliximab and cyclosporine were opposed due to infection risk and later exhibiting possible nephrotoxicity. During this discussion the patient improved enough to be transitioned to oral steroids with a plan to initiate vedolizumab as an outpatient. On recent colonoscopy she had achieved mucosal healing. DISCUSSION: This is the first case of UC in a FD patient reported. Given myriad GI symptoms in the later diagnosis it can be hard to distinguish disease-related from treatment-related events. Due to the gut-specificity of vedolizumab, infection risk is considerably reduced compared to that of other biologics and is the most favorable option in the setting of underlying FD. This case highlights the difficulty encountered when treating IBD in the setting of systemic illness and underscores the need to carefully consider management options to enhance patient outcomes.
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