Guillain–Barré Syndrome Post COVID-19 Vaccination with ChAdOx1 nCoV-19 Vaccine: A Colombian Case Report

Table 1

Description of patient lab exams, October to November, 2021.

Exam	Result
Albumin	4.2 g/dl
Neuroaxis simple and contrast NMR	Normal
Blood count	Leukocytes 13,900; N 10,430; L 2,230; Hb 16 g/dl; hematocrit 49%; platelets 367,000
Ionogram	K: 4.4 mmol/L, Na: 141 mmol/L, Ca: 9.8 mg/dl, Mg: 2.51 mg/dl, P: 5.79 mg/dl
Kidney function	Creatinine 0.66 mg/dl, blood urea nitrogen 19.4 mg/dl
Electromyography	Absent bilateral peroneal and tibial nerve conduction blockage. Sensitive nerve conduction of the medial ulnar, and the sural bilateral nerve with normal conduction latencies, amplitudes and speeds, prolonged latency of bilateral medial and ulnar, normal amplitudes, absent f wave in bilateral peroneal nerve, electromyography of muscles, with insertional activity and normal recruitment, almost complete interference pattern, normal motor units, and without signs of membrane instability. Electrophysiological evidence of a motor demyelinating polyneuropathy
Findings in cerebrospinal fluid	Color: colorless
	Polymorphonuclears: 2/mm^3
	Lymphocytes: 2/mm^3
	Erythrocytes: 0/mm^3
	Proteins: 103 mg/dl
	Glucose: 53 mg/dl
COVID-19 antigen	Negative