Venkateswaran Ramanathan
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View article: Prognostic accuracy of Whole Lung Perfusion Blood Volume as a predictor of 28-day Mortality in Acute Pulmonary Thromboembolism – A prospective study
Prognostic accuracy of Whole Lung Perfusion Blood Volume as a predictor of 28-day Mortality in Acute Pulmonary Thromboembolism – A prospective study Open
Background: The estimated incidence of pulmonary embolism (PE) is around 60–70 cases per 100,000 people annually. The overall mortality rate for massive PE is substantial, ranging from 18% to 65%. We can utilise changes in lung perfusion t…
View article: Pharmacokinetics of colistin in patients with multi-drug resistant Gram-negative bacterial infections
Pharmacokinetics of colistin in patients with multi-drug resistant Gram-negative bacterial infections Open
AIM: This study aimed to characterize the first-dose and steady-state pharmacokinetic parameters of colistin in critically-ill patients. BACKGROUND: Increased prevalence of multidrug resistant Gram-negative bacterial infections among criti…
View article: Incremental cost of treating antimicrobial-resistant infections among hospitalised patients in India: a cohort study
Incremental cost of treating antimicrobial-resistant infections among hospitalised patients in India: a cohort study Open
Background Accurate estimates of incremental cost (IC) attributable to antimicrobial resistance (AMR) provide information of immense public health importance to the policy makers. Here, we present the IC from patient perspective for treati…
View article: Corticosteroids and invasive fungal infections in hospitalized COVID-19 patients – A single-center cross-sectional study
Corticosteroids and invasive fungal infections in hospitalized COVID-19 patients – A single-center cross-sectional study Open
Background: During the coronavirus disease 2019 (COVID-19) epidemic, an increase in the incidence of fungal infections was observed. However, the real magnitude of these fungal infections and their risk factors among COVID-19 patients in t…
View article: Does organophosphorus poisoning increase the risk of staphylococcal ventilator associated pneumonia? – a retrospective study
Does organophosphorus poisoning increase the risk of staphylococcal ventilator associated pneumonia? – a retrospective study Open
Introduction: The aim of this study was to determine the clinical predictors of staphylococcal ventilator-associated pneumonia (VAP) and to compare the outcomes of staphylococcal VAP with non-staphylococcal VAP. Methodology: A retrospectiv…
View article: Corticosteroids and invasive fungal infections in hospitalized COVID-19 patients – A single-center cross-sectional study
Corticosteroids and invasive fungal infections in hospitalized COVID-19 patients – A single-center cross-sectional study Open
Background : During the coronavirus disease 2019 (COVID-19) epidemic, an increase in the incidence of fungal infections was observed. However, the real magnitude of these fungal infections and their risk factors among COVID-19 patients in…
View article: Acetazolamide in weaning from mechanical ventilation in hypercapnic respiratory failure
Acetazolamide in weaning from mechanical ventilation in hypercapnic respiratory failure Open
View article: Early- vs Late-onset Ventilator-associated Pneumonia in Critically Ill Adults: Comparison of Risk Factors, Outcome, and Microbial Profile
Early- vs Late-onset Ventilator-associated Pneumonia in Critically Ill Adults: Comparison of Risk Factors, Outcome, and Microbial Profile Open
Gunalan A, Sastry AS, Ramanathan V, Sistla S. Early- vs Late-onset Ventilator-associated Pneumonia in Critically Ill Adults: Comparison of Risk Factors, Outcome, and Microbial Profile. Indian J Crit Care Med 2023;27(6):411-415.
View article: Invasive Fungal Infections in Patients with Recent COVID-19
Invasive Fungal Infections in Patients with Recent COVID-19 Open
Data pertaining to the study "Corticosteroids and Invasive Fungal Infections in Hospitalized COVID-19 Patients – A single-center cross-sectional study"
View article: Invasive Fungal Infections in Patients with Recent COVID-19
Invasive Fungal Infections in Patients with Recent COVID-19 Open
Data pertaining to the study "Corticosteroids and Invasive Fungal Infections in Hospitalized COVID-19 Patients – A single-center cross-sectional study", updated with Key to datasheet
View article: ‘Seatbelt Effect’ of Spasticity
‘Seatbelt Effect’ of Spasticity Open
Dear Editor, The distinction between velocity dependence of spasticity from the other characteristic feature of spasticity, namely, the clasp knife phenomenon, is often not stated clearly or quickly discerned. While the lengthening reactio…
View article: Emphysematous Liver Abscess and Disseminated Hypervirulent Klebsiella pneumoniae Infection in a Patient from Southern India
Emphysematous Liver Abscess and Disseminated Hypervirulent Klebsiella pneumoniae Infection in a Patient from Southern India Open
Nayak AR, Ramadoss R, Ramanathan V, Honnarudraiah NK. Emphysematous Liver Abscess and Disseminated Hypervirulent Klebsiella pneumoniae Infection in a Patient from Southern India. Indian J Crit Care Med 2022;26(3):381-383.
View article: Poor Sensorium at the Time of Intubation Predicts Polymicrobial Ventilator Associated Pneumonia
Poor Sensorium at the Time of Intubation Predicts Polymicrobial Ventilator Associated Pneumonia Open
Ramachandran Natarajan,1 Venkateswaran Ramanathan,1 Sujatha Sistla2 1Department of Medicine, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India; 2Department of Microbiology, Jawaharlal Institute of Postg…
View article: Performance of 3 mL versus 5 mL Discarded Volume for Blood Sampling from Central Venous Access Device
Performance of 3 mL versus 5 mL Discarded Volume for Blood Sampling from Central Venous Access Device Open
Background Central venous access devices (CVAD) are an essential part of safe practices in critical care, which enable effective venous access and help in avoiding repeated venipuncture. Discard method is widely practiced for blood samplin…
View article: Secondary Infections in Hospitalized COVID-19 Patients: Indian Experience
Secondary Infections in Hospitalized COVID-19 Patients: Indian Experience Open
Predominance of Gram-negative pathogens in COVID-19 patients coupled with high rates of resistance to higher generation antimicrobials is an alarming finding. A high rate of mortality in patients with secondary infections warrants extra ca…
View article: Plasmapheresis in lethal yellow phosphorus poisoning: a scope for recovery
Plasmapheresis in lethal yellow phosphorus poisoning: a scope for recovery Open
A 16-year-old girl presented with grade 3 hepatic encephalopathy (HE) following suicide attempt after consuming a lethal dose of yellow phosphorus containing rodenticide. Although she was a candidate for liver transplantation, it could not…
View article: Concordance between the National Healthcare Safety Network (NHSN) Surveillance Criteria and Clinical Pulmonary Infection Score (CPIS) Criteria for Diagnosis of Ventilator-associated Pneumonia (VAP)
Concordance between the National Healthcare Safety Network (NHSN) Surveillance Criteria and Clinical Pulmonary Infection Score (CPIS) Criteria for Diagnosis of Ventilator-associated Pneumonia (VAP) Open
Background: Ventilator-associated pneumonia (VAP) is one of the most common hospital-acquired infections among mechanically ventilated patients and the incidence rates are widely used as an index of quality of care given in an ICU. …
View article: Effect of combined colistin and meropenem against meropenem resistant Acinetobacter baumannii and Pseudomonas aeruginosa by checkerboard method: A cross sectional analytical study
Effect of combined colistin and meropenem against meropenem resistant Acinetobacter baumannii and Pseudomonas aeruginosa by checkerboard method: A cross sectional analytical study Open
Our results showed that combinations of colistin and meropenem are associated with improvement in minimum inhibitory concentration and may be a promising strategy in treating meropenem-resistant A. baumannii respiratory tract infections.
View article: Pulmonary-renal syndromes: Experience from an Indian Intensive Care Unit
Pulmonary-renal syndromes: Experience from an Indian Intensive Care Unit Open
The spectrum of PRS is different in the tropics and tropical syndromes presenting with PRS are not uncommon. Multicentric studies are needed to further characterize the burden, etiology, treatment protocols, and outcomes of PRS in India.