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1.
Int Urol Nephrol ; 54(2): 405-410, 2022 Feb.
Article in English | MEDLINE | ID: covidwho-1265550

ABSTRACT

PURPOSE: Acid-base derangement has been poorly described in patients with coronavirus disease 2019 (COVID-19). Considering the high prevalence of pneumonia and kidneys injury in COVID-19, frequent acid-base alterations are expected in patients admitted with SARS-Cov-2 infection. The study aimed to assess the prevalence of acid-base disorders in symptomatic patients with a diagnosis of COVID-19. METHODS: The retrospective study enrolled COVID-19 patients hospitalized at the University Hospital of Modena from 4 March to 20 June 2020. Baseline arterial blood gas (ABG) analysis was collected in 211 patients. In subjects with multiple ABG analysis, we selected only the first measurement. A pH of less than 7.37 was categorized as acidemia and a pH of more than 7.43 was categorized as alkalemia. RESULTS: ABG analyses revealed a low arterial partial pressure of oxygen (PO2, 70.2 ± 25.1 mmHg), oxygen saturation (SO2, 92%) and a mild reduction of PO2/FiO2 ratio (231 ± 129). Acid-base alterations were found in 79.7% of the patient. Metabolic alkalosis (33.6%) was the main alteration followed by respiratory alkalosis (30.3%), combined alkalosis (9.4%), respiratory acidosis (3.3%), metabolic acidosis (2.8%) and other compensated acid-base disturbances (3.6%). All six patients with metabolic acidosis died at the end of the follow-up. CONCLUSION: Variations of pH occurred in the majority (79.7%) of patients admitted with COVID-19. The patients experienced all the type of acid-base disorders, notably metabolic and respiratory alkalosis were the most common alterations in this group of patients.


Subject(s)
Acid-Base Imbalance/epidemiology , Acid-Base Imbalance/virology , COVID-19/complications , Acid-Base Imbalance/diagnosis , Aged , Aged, 80 and over , Blood Gas Analysis , COVID-19/metabolism , COVID-19/mortality , Female , Hospitalization , Humans , Italy , Male , Middle Aged , Retrospective Studies , Risk Factors , Survival Rate
3.
Front Physiol ; 11: 747, 2020.
Article in English | MEDLINE | ID: covidwho-646253

ABSTRACT

The spreading of Coronavirus (SARS-CoV-2) pandemic, known as COVID-19, has caused a great number of fatalities all around the World. Up to date (2020 May 6) in Italy we had more than 28,000 deaths, while there were more than 205.000 infected. The majority of patients affected by COVID-19 complained only slight symptoms: fatigue, myalgia or cough, but more than 15% of Chinese patients progressed into severe complications, with acute respiratory distress syndrome (ARDS), needing intensive treatment. We tried to summarize data reported in the last months from several Countries, highlighting that COVID-19 was characterized by cytokine storm (CS) and endothelial dysfunction in severely ill patients, where the progression of the disease was fast and fatal. Endothelial dysfunction was the fundamental mechanism triggering a pro-coagulant state, finally evolving into intravascular disseminated coagulation, causing embolization of several organs and consequent multiorgan failure (MOF). The Italian Society of Clinical Hemorheology and Microcirculation was aimed to highlight the role of microcirculatory dysfunction in the pathogenetic mechanisms of COVID-19 during the spreading of the biggest challenges to the World Health.

4.
Am J Transplant ; 20(7): 1902-1906, 2020 Jul.
Article in English | MEDLINE | ID: covidwho-108811

ABSTRACT

Coronavirus disease 2019 (COVID-19) pneumonia has been poorly reported in solid organ transplanted patients; prognosis is uncertain and best management unclear. We describe the case of a 61-year-old kidney transplant recipient with several comorbidities who was hospitalized and later received a diagnosis of COVID-19 pneumonia; the infection was successfully managed with the use of hydroxychloroquine and a single administration of tocilizumab, after immunosuppression reduction; the patient did not require mechanical ventilation. During the rapid spread of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic, transplant clinicians should be readily informed about new cases of COVID-19 pneumonia in solid organ transplant recipients, with focus on therapeutic strategies employed and their outcome.


Subject(s)
Antibodies, Monoclonal, Humanized/administration & dosage , Coronavirus Infections/therapy , Hydroxychloroquine/administration & dosage , Immunosuppressive Agents/administration & dosage , Kidney Failure, Chronic/complications , Kidney Transplantation , Nephritis, Interstitial/complications , Pneumonia, Viral/therapy , Antiviral Agents/administration & dosage , Betacoronavirus , COVID-19 , Comorbidity , Coronavirus Infections/complications , Coronavirus Infections/drug therapy , Humans , Kidney Failure, Chronic/surgery , Male , Middle Aged , Nephritis, Interstitial/surgery , Pandemics , Pneumonia, Viral/complications , Respiration, Artificial , Risk Assessment , SARS-CoV-2 , Treatment Outcome
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