Spinal epidural abscess in COVID-19 patients
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ORIGINAL COMMUNICATION
Spinal epidural abscess in COVID‑19 patients G. Talamonti1 · Davide Colistra1 · Francesco Crisà1,3 · Marco Cenzato1 · Pietro Giorgi2 · Giuseppe D’Aliberti1 Received: 21 June 2020 / Revised: 29 August 2020 / Accepted: 2 September 2020 © Springer-Verlag GmbH Germany, part of Springer Nature 2020
Abstract 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. Keywords COVID-19 · SARS-CoV-2 · Spinal abscess · Spinal epidural abscess · Spinal infection
Introduction The first case of Coronavirus Disease 2019 (COVID-19) was diagnosed in Lombardy on February 21, 2020. Afterwards, the contagion rapidly spread throughout the region. Up to today (June 12, 2020), 90,932 Lombards have contracted COVID-19 and 16,374 have died, which makes Lombardy * G. Talamonti [email protected] 1
Departments of Neurosurgery, ASST Niguarda, Piazza Ospedale Maggiore 3, 20162 Milan, Italy
2
Department of Orthopedics, ASST Niguarda, Milan, Italy
3
Università Di Milano, Milan, Italy
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