Early Alterations of QTc in Patients with COVID-19 Treated with Hydroxychloroquine or Chloroquine in Libreville, Gabon

Autor: Elsa Ayo Bivigou, Charlene Manomba Boulingui, Aridath Bouraima, Christian Allognon, Christelle Akagha Konde, Gabrielle Atsame, Armel Kinga, Jean B. Boguikouma, Philomène Kouna Ndouongo, Marielle K. Bouyou Akotet
Jazyk: angličtina
Rok vydání: 2022
Předmět:
Zdroj: Clinics and Practice, Vol 12, Iss 4, Pp 482-490 (2022)
Druh dokumentu: article
ISSN: 2039-7283
DOI: 10.3390/clinpract12040052
Popis: The objective of this study was to analyze the effect of hydroxychloroquine or chloroquine associated with azithromycin on the QTc interval in Gabonese patients treated for COVID-19. Methods: This was an observational study conducted from April to June 2020, at the Libreville University Hospital Center in Gabon. Patients admitted for COVID-19 and treated with hydroxychloroquine or chloroquine, each combined with azithromycin were included. The QTc interval was measured upon admission and 48 h after starting treatment. The primary endpoint was QTc prolongation exceeding 60 ms and/or a QTc value exceeding 500 ms at 48 h. Results: Data from 224 patients, 102 (45.5%) who received hydroxychloroquine and 122 treated with chloroquine, were analyzed. The median baseline QTc was 396 (369–419) ms. After 48 h of treatment, 50 (22.3%) patients had a significant prolongation of QTc. This tended to be more frequent in patients treated with chloroquine (n = 33; 27.0%) than in those treated with hydroxychloroquine (n = 17; 16.7%) (p = 0.06). QTc prolongation exceeding 60 ms was found in 48 (21.3%) patients, while 11 patients had a (4.9%) QTc exceeding 60 ms at admission and exceeding 500 ms after 48 h. Conclusion: Early QTc prolongation is frequent in COVID-19 patients treated with hydroxychloroquine or chloroquine in association with azithromycin.
Databáze: Directory of Open Access Journals
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