4.7 Article

Spinal epidural abscess in COVID-19 patients

期刊

JOURNAL OF NEUROLOGY
卷 268, 期 7, 页码 2320-2326

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SPRINGER HEIDELBERG
DOI: 10.1007/s00415-020-10211-z

关键词

COVID-19; SARS-CoV-2; Spinal abscess; Spinal epidural abscess; Spinal infection

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This study reports the occurrence of spinal epidural abscess in COVID-19 patients, a rare phenomenon that has not been previously reported. The primary nature of the abscesses indicates a potential association with initially asymptomatic bacterial contamination in patients. Endotheliitis related to COVID-19 may have facilitated bacterial invasion to the spinal epidural space, highlighting the importance of early diagnosis and treatment to prevent high morbidity and mortality.
Objective To report the peculiarity of spinal epidural abscess in COVID-19 patients, as we have observed an unusually high number of these patients following the outbreak of SARS-Corona Virus-2. Methods We reviewed the clinical documentation of six consecutive COVID-19 patients with primary spinal epidural abscess that we surgically managed over a 2-month period. These cases were analyzed for what concerns both the viral infection and the spinal abscess. Results The abscesses were primary in all cases indicating that no evident infective source was found. A primary abscess represents the rarest form of spinal epidural abscess, which is usually secondary to invasive procedures or spread from adjacent infective sites, such as spondylodiscitis, generally occurring in patients with diabetes, obesity, cancer, or other chronic diseases. In all cases, there was mild lymphopenia but the spinal abscess occurred regardless of the severity of the viral disease, immunologic state, or presence of bacteremia. Obesity was the only risk factor and was reported in two patients. All patients but one were hypertensive. The preferred localizations were cervical and thoracic, whereas classic abscess generally occur at the lumbar level. No patient had a history of pyogenic infection, even though previous asymptomatic bacterial contaminations were reported in three cases. Conclusion We wonder about the concentration of this uncommon disease in such a short period. To our knowledge, cases of spinal epidural abscess in COVID-19 patients have not been reported to date. We hypothesize that, in our patients, the spinal infection could have depended on the coexistence of an initially asymptomatic bacterial contamination. The well-known COVID-19-related endotheliitis might have created the conditions for retrograde bacterial invasion to the correspondent spinal epidural space. Furthermore, spinal epidural abscess carries a significantly high morbidity and mortality. It is difficult to diagnose, especially in compromised COVID-19 patients but should be kept in mind as early diagnosis and treatment are crucial.

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