ABSTRACT
Background and objective Invasive pulmonary aspergillosis (IPA) is a frequent complication among neutropenic patients. It is increasingly being reported in critical coronavirus disease 2019 (COVID-19) patients requiring ICU admission and invasive mechanical ventilation (IMV) and is known as COVID-associated pulmonary aspergillosis (CAPA). We conducted this large prospective observational study to determine the frequency of CAPA and its outcomes in the ICU population. Methodology This was a prospective observational study. We recruited 307 reverse transcription-polymerase chain reaction (RT-PCR)-confirmed cases of severe COVID-19 pneumonia requiring IMV. We excluded those who did not require IMV or had been transferred out to other hospitals. The Chi-square test was applied to find the association between categorical variables. A p-value of <0.05 was considered statistically significant. Results Out of the 307 cases of mechanically ventilated COVID-19 pneumonia, 61 had probable CAPA. The median age was 60 years. Malignancy and cirrhosis were significant risk factors associated with CAPA (p=<0.001, 0.001, respectively). Aspergillus fumigatus was detected in 78.7% of the cases. The median length of ICU stay was 11 days [interquartile range (IQR): 4-14]. Among CAPA cases, 70.5% developed septic shock and required ionotropic support. Among 61 probable cases of CAPA, 91.8% did not survive and there was a strong correlation between CAPA and ICU mortality (p=0.001). Conclusion We concluded that CAPA is a fatal complication of severe COVID-19 pneumonia and is associated with increased mortality.
ABSTRACT
Introduction The efficacy of high-resolution computed tomography (HRCT) chest in common respiratory infections is well-established; however, its use in the diagnosis of COVID-19 pneumonia is less popular. The previous studies have failed to establish the efficacy of HRCT in the diagnosis of COVID-19 pneumonia. Objective The current study aimed to assess the efficacy of HRCT as compared to a polymerase chain reaction (PCR) in diagnosing COVID-19 pneumonia in patients in our setting. Methodology A prospective observational study was conducted at the Department of Chest Medicine, Shifa International Hospital from April 2020 to December 2020. A total of 250 patients were admitted to medical intensive care units. Findings of HRCT and PCR were documented. The accuracy of HRCT compared with PCR was assessed. Data were analyzed using SPSS version 24 (IBM Corp., Armonk, NY). Results COVID-19 infection was more prevalent in male patients (62.8% vs 37.2%). The mean age was 60 years (interquartile range, IQR, 49-72). Sensitivity and specificity of HRCT segregated into typical, indeterminate, and atypical HRCT were (94.8%, 56.8%), (92.7%, 47.2%), and (91.7%, 76.8%), respectively. The positive predictive value for typical HRCT was 84.3% (p≤0.001). Conclusion We concluded that typical HRCT findings have diagnostic utility in the diagnosis of COVID pneumonia. Similarly, a negative HRCT chest reliably excludes the possibility of COVID pneumonia. HRCT chest is a reliable alternative to RT-PCR.
ABSTRACT
Introduction Acute-on-chronic liver failure (ACLF) is a serious complication of liver cirrhosis which presents with hepatic and/or extrahepatic organ failure and often needs admission to an Intensive Care Unit (ICU). This condition typically needs organ support and carries a high mortality rate. ICU care may not benefit these patients. There are many scores to assess prognosis in these patients, such as the Model for End-stage Liver Disease (MELD) score, the MELD score refined to take into account serum sodium level (MELD-Na), the chronic liver failure organ failure (CLIF-OF) score, the CLIF Consortium acute-on-chronic liver failure (CLIF-C ACLF) score and the Child-Turcotte-Pugh classification. This study was conducted to compare CLIF-C ACLF and MELD scores for selecting patients at risk of high mortality, as ICU care to these patients in the absence of liver transplantation may be of no value. Methods The data of 75 patients admitted to the ICU of Shifa International Hospital in Islamabad were prospectively analyzed. CLIF-C ACLF and MELD scores were calculated at admission and then at 24 and 48 hours after the ICU stay. Data were analyzed with the assistance of SPSS. Mortality was the primary outcome. Results Comparison of both scores showed that a CLIF-C ACLF score ≥ 70 at 48 hours predicts mortality more accurately, with an area under receiver operating curve (AUROC) of 0.643 (confidence interval [CI] 95% 0.505-0.781; p=0.046) which was significantly higher than MELD scores of 30,40 and 50 at 48 hours. Organ failure and the need for supportive care were strong predictors of mortality (p= < 0.05). Conclusion We concluded that a CLIF-C ACLF score ≥ 70 at 48 hours and organ failure are better predictors of mortality and that ICU care in these patients does not benefit them. Definitive therapy in the form of liver transplantation may have a promising role, if considered early.
