Retrospective 80 ICU patients reporting no statistically significant differences with NAC treatment, however the actual results are not provided. The study is described as a retrospective observational study however authors also state that "patients were randomized into two equal groups". The "Non NAC" group also received NAC - the study compares high dose treatment over 21 hours versus low dose ongoing treatment.
{ 'indexed': {'date-parts': [[2024, 7, 4]], 'date-time': '2024-07-04T00:23:57Z', 'timestamp': 1720052637169},
'reference-count': 0,
'publisher': 'Oxford University Press (OUP)',
'issue': 'Supplement_1',
'license': [ { 'start': { 'date-parts': [[2024, 6, 1]],
'date-time': '2024-06-01T00:00:00Z',
'timestamp': 1717200000000},
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'abstract': '<jats:title>Abstract</jats:title>\n'
' <jats:sec>\n'
' <jats:title>Background</jats:title>\n'
' <jats:p>COVID-19 may cause pneumonia, acute respiratory distress syndrome, '
'cardiovascular alterations, and multiple organ failure, which have been ascribed to a '
'cytokinestorm, a systemic inflammatory response, and an attack by the immune system. '
'Moreover, an oxidative stress imbalance has been demonstrated to occur in COVID- 19 patients. '
'N- Acetyl-L-cysteine (NAC) is a precursor of reduced glutathione (GSH).</jats:p>\n'
' </jats:sec>\n'
' <jats:sec>\n'
' <jats:title>Aim of the Work</jats:title>\n'
' <jats:p>we retrospectively will investigate safety and efficacy of NAC dose '
'given in paracetamol toxicity as an adjuvant therapy in critically ill COVID-19 patients with '
'acute respiratory distress and determine whether NAC in high doses can avoid respiratory '
'failure in patients with COVID-19.</jats:p>\n'
' </jats:sec>\n'
' <jats:sec>\n'
' <jats:title>Patients and Methods</jats:title>\n'
' <jats:p>This was a retrospective observational study in which all cases '
'were collected from ICU of Ain shams university hospitals during COVID-19 outbreak. All data '
'were extracted from clinical records. All patients initially admitted to ICU with SPO2 less '
'than 94 % were included between December 2020 to February 2022. Exclusion Criteria included '
'Need for immediate mechanical ventilation on admission, known allergy or hypersensitivity to '
'NAC, end stage renal and liver diseases, heart failure and pregnancy. All patients with '
'severe COVID-19 (confirmed or suspected received standard care, according to the '
'institutional protocol.</jats:p>\n'
' </jats:sec>\n'
' <jats:sec>\n'
' <jats:title>Results</jats:title>\n'
' <jats:p>Patients were randomized into two equal groups (number (n)=40 each) '
'as the N1(NAC) group who was given intravenously, initially 150\u2009mg/kg in 200\u2009mL of '
'0.9% NaCL for 60\u2009minutes (first bag), followed by 50\u2009mg/kg in 500\u2009mL of 0.9% '
'NaCL for 4\u2009hours (second bag), and then 100\u2009mg/kg in 1000\u2009mL of 0.9%NaCL for '
'16\u2009hours (third bag) and N2(Non NAC) group who received intravenously N-acetylcysteine '
'(NAC) 600mg /12hr and The primary endpoint was the need for mechanical ventilation. Secondary '
'endpoints were time of mechanical ventilation, admission to the intensive care unit (ICU), '
'time in ICU, and mortality. There were no statistically significant differences between the '
'two groups (p\u2009&gt;\u20090.05) The effect of NAC on mechanical ventilations, '
'mortality, ICU stays, and hospital stays is a matter of controverse in ARDS patients. We '
'found that intravenous high dose of NAC did not improve oxygenation, mortality rate and did '
'not reduce the requirement for mechanical ventilation when administered for COVID 19 patients '
'with ARDS. Also, the duration of ICU and hospital stays were relatively prolonged in the '
'NAC-treated patients. These might be due to prolonged survival time with NAC-treated '
'patients, but not to be detected with the small single centered trial..</jats:p>\n'
' </jats:sec>\n'
' <jats:sec>\n'
' <jats:title>Conclusion</jats:title>\n'
' <jats:p>Use of high doses of NAC administration can not affect the need of '
'mechanical ventilation, rate of mortality, the need, duration of ICU admission and hospital '
'stays for patients with severe COVID-19.</jats:p>\n'
' </jats:sec>',
'DOI': '10.1093/qjmed/hcae070.076',
'type': 'journal-article',
'created': {'date-parts': [[2024, 7, 3]], 'date-time': '2024-07-03T15:11:22Z', 'timestamp': 1720019482000},
'source': 'Crossref',
'is-referenced-by-count': 0,
'title': 'Safety and Efficacy of N-Acetylcysteine as an Adjuvant Therapy in Critically Ill COVID-19 '
'Patients',
'prefix': '10.1093',
'volume': '117',
'author': [ { 'given': 'Hany Saeed',
'family': 'Abdelmonem',
'sequence': 'first',
'affiliation': [ { 'name': 'Intensive Care Department, Faculty of Medicine, Ain Shams '
'University'}]},
{ 'given': 'Hanaa Mohamed Abd',
'family': 'Allah Elgendy',
'sequence': 'additional',
'affiliation': [ { 'name': 'Intensive Care Department, Faculty of Medicine, Ain Shams '
'University'}]},
{ 'given': 'Doaa Mohammed',
'family': 'Kamal El-Din',
'sequence': 'additional',
'affiliation': [ { 'name': 'Intensive Care Department, Faculty of Medicine, Ain Shams '
'University'}]},
{ 'given': 'Eman Mohamed',
'family': 'Elshaer',
'sequence': 'additional',
'affiliation': [ { 'name': 'Intensive Care Department, Faculty of Medicine, Ain Shams '
'University'}]}],
'member': '286',
'published-online': {'date-parts': [[2024, 7, 3]]},
'container-title': 'QJM: An International Journal of Medicine',
'original-title': [],
'language': 'en',
'link': [ { 'URL': 'https://academic.oup.com/qjmed/article-pdf/117/Supplement_1/hcae070.076/58413542/hcae070.076.pdf',
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'intended-application': 'similarity-checking'}],
'deposited': { 'date-parts': [[2024, 7, 3]],
'date-time': '2024-07-03T15:11:27Z',
'timestamp': 1720019487000},
'score': 1,
'resource': { 'primary': { 'URL': 'https://academic.oup.com/qjmed/article/doi/10.1093/qjmed/hcae070.076/7705150'}},
'subtitle': [],
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'issued': {'date-parts': [[2024, 6, 1]]},
'references-count': 0,
'journal-issue': { 'issue': 'Supplement_1',
'published-online': {'date-parts': [[2024, 7, 3]]},
'published-print': {'date-parts': [[2024, 7, 3]]}},
'URL': 'http://dx.doi.org/10.1093/qjmed/hcae070.076',
'relation': {},
'ISSN': ['1460-2725', '1460-2393'],
'subject': [],
'published-other': {'date-parts': [[2024, 6, 1]]},
'published': {'date-parts': [[2024, 6, 1]]}}
Late treatment is less effective
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