Publications by authors named "Arjun R"

Article Synopsis
  • The study investigates the clinical differences between infectious mononucleosis (IMN) caused by Epstein-Barr Virus (EBV) and mononucleosis-like symptoms caused by Cytomegalovirus (CMV) in a South Indian hospital from 2017 to 2023.
  • A total of 136 cases of IMN and 17 cases of CMV mononucleosis were analyzed, finding that CMV patients were significantly older, had longer fever durations, and exhibited fewer common symptoms like sore throat and lymphadenopathy.
  • The findings suggest that CMV mononucleosis is more prevalent in older adults, characterized by prolonged fever and fewer throat-related symptoms, highlighting the need for awareness in distinguishing between the two
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Article Synopsis
  • Central line-associated bloodstream infection (CLABSI) rates in Latin American ICUs are significantly higher than in high-income countries, prompting a need for intervention.
  • The INICC multidimensional approach, which includes an 11-component bundle, was implemented across 122 ICUs in nine Asian countries, resulting in a substantial decrease in CLABSI rates from 16.64 to 2.18 over 29 months.
  • The intervention not only reduced CLABSI rates by 87% but also significantly lowered the all-cause in-ICU mortality rate from 13.23% to 10.96%.
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Background: Viridans Group Streptococci (VGS) are a group of distinct species that can cause bacteraemia and other invasive infections. They are also among the common organisms causing infective endocarditis. Data on the epidemiology and clinical profile of VGS is limited, especially from India.

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Background: Catheter-Associated Urinary Tract Infections (CAUTIs) frequently occur in the intensive care unit (ICU) and are correlated with a significant burden.

Methods: We implemented a strategy involving a 9-element bundle, education, surveillance of CAUTI rates and clinical outcomes, monitoring compliance with bundle components, feedback of CAUTI rates and performance feedback. This was executed in 299 ICUs across 32 low- and middle-income countries.

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Objective: To identify urinary catheter (UC)-associated urinary tract infection (CAUTI) incidence and risk factors.

Design: A prospective cohort study.

Setting: The study was conducted across 623 ICUs of 224 hospitals in 114 cities in 37 African, Asian, Eastern European, Latin American, and Middle Eastern countries.

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Background: Ventilator associated pneumonia (VAP) occurring in the intensive care unit (ICU) are common, costly, and potentially lethal.

Methods: We implemented a multidimensional approach and an 8-component bundle in 374 ICUs across 35 low and middle-income countries (LMICs) from Latin-America, Asia, Eastern-Europe, and the Middle-East, to reduce VAP rates in ICUs. The VAP rate per 1000 mechanical ventilator (MV)-days was measured at baseline and during intervention at the 2nd month, 3rd month, 4-15 month, 16-27 month, and 28-39 month periods.

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Background: Identify urinary catheter (UC)-associated urinary tract infections (CAUTI) incidence and risk factors (RF) in 235 ICUs in 8 Asian countries: India, Malaysia, Mongolia, Nepal, Pakistan, the Philippines, Thailand, and Vietnam.

Methods: From January 1, 2014, to February 12, 2022, we conducted a prospective cohort study. To estimate CAUTI incidence, the number of UC days was the denominator, and CAUTI was the numerator.

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Background: Peripherally inserted central catheters (PICCs) are central venous catheters inserted peripherally but terminate in great vessels. PICCs are widely used for patients requiring long-term intravenous therapy in both in-patient and out-patient settings.

Aim: This study was carried out to understand PICC-related complications, specifically infections and causal pathogens, in a tertiary care hospital in Kerala, South India.

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Article Synopsis
  • The study aimed to analyze the rates and risk factors of central line-associated bloodstream infections (CLABSI) across 281 ICUs in 9 Asian countries from 2004 to 2022.
  • Out of 150,142 patients, a total of 1514 CLABSIs were recorded, with an overall infection rate of 5.08 per 1000 central line days, highest in femoral and temporary hemodialysis catheters.
  • Key risk factors for CLABSI included longer hospital stays before infection, tracheostomy use, hospitalization type, and facility ownership, particularly in publicly-owned and lower-middle-income country facilities.
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Objective: To identify central-line (CL)-associated bloodstream infection (CLABSI) incidence and risk factors in low- and middle-income countries (LMICs).

Design: From July 1, 1998, to February 12, 2022, we conducted a multinational multicenter prospective cohort study using online standardized surveillance system and unified forms.

Setting: The study included 728 ICUs of 286 hospitals in 147 cities in 41 African, Asian, Eastern European, Latin American, and Middle Eastern countries.

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Arjun R, Niyas VKM, John KE, Nair A, Hussain F. Impact of Adding Rapid Polymerase Chain Reaction-based Blood Culture Identification Panel to Antimicrobial Stewardship Program: Initial Experience. Indian J Crit Care Med 2022;26(10):1155-1157.

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Article Synopsis
  • The study aimed to identify risk factors for ventilator-associated pneumonia (VAP) in intensive care units (ICUs) of low- and middle-income countries, where VAP rates are significantly higher than in high-income countries.
  • The research was a prospective cohort analysis covering 743 ICUs across 282 hospitals in 42 diverse countries over 24 years, following 289,643 patients for a total of nearly 2 million patient days.
  • Key identified risk factors for acquiring VAP included male sex, prolonged ICU stay, use of mechanical ventilation, and specific ICU admissions (such as oncology and respiratory ICUs), with CPAP showing the highest associated risk.
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Background: Extrapulmonary Tuberculosis (EPTB) accounts for 15%-53% of all TB cases. In recent years, cartridge-based nucleic acid amplification test (CBNAAT) has emerged as an important diagnostic tool since the diagnostic yield is higher. We conducted this study to evaluate the diagnostic yield of CBNAAT in EPTB.

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Background: Ventilator associated pneumonia (VAP) rates in Asia are several times above those of US. The objective of this study is to identify VAP risk factors.

Methods: We conducted a prospective cohort study, between March 27, 2004 and November 2, 2022, in 279 ICUs of 95 hospitals in 44 cities in 9 Asian countries (China, India, Malaysia, Mongolia, Nepal, Pakistan, Philippines, Sri Lanka, Thailand, Vietnam).

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Background And Objectives: Early onset sepsis (EOS) in neonates is a scourge that contributes to morbidity and mortality. Prominent stakeholders recommend universal screening of antenatal women for Group B Streptococcus (GBS) and intrapartum antibiotic prophylaxis (IAP) for those who are carriers. However, there are controversies.

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Objective: To identify risk factors for mortality in intensive care units (ICUs) in Asia.

Design: Prospective cohort study.

Setting: The study included 317 ICUs of 96 hospitals in 44 cities in 9 countries of Asia: China, India, Malaysia, Mongolia, Nepal, Pakistan, Philippines, Sri Lanka, Thailand, and Vietnam.

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Background: Bacteremia is an uncommon complication of group A streptococcal (GAS) infections. The data on GAS bacteremia is scarce from developing nations such as India.

Patients And Methods: We performed a retrospective analysis of patients diagnosed with GAS bacteremia in a tertiary care hospital in Kerala, India over a 10-year period (2012-2021) by review of the electronic medical records (EMRs).

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Article Synopsis
  • The International Nosocomial Infection Control Consortium identified high mortality rates in ICU patients and aimed to find risk factors associated with all-cause mortality.
  • A study involving over 300,000 patients in ICUs across multiple countries revealed key mortality risk factors, including infections and longer hospital stays.
  • To improve patient outcomes, the study recommends targeting modifiable factors like infection prevention and managing the length of stay in ICUs.
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is a nematode helminth endemic to tropical and subtropical regions. Strongyloidiasis can manifest with varied clinical symptoms, predominantly gastrointestinal. Duodenal obstruction is an uncommon manifestation.

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Background: During the second wave of the COVID-19 pandemic, outbreaks of Zika were reported from Kerala, Uttar Pradesh, and Maharashtra, India in 2021. The Dengue and Chikungunya negative samples were retrospectively screened to determine the presence of the Zika virus from different geographical regions of India.

Methods: During May to October 2021, the clinical samples of 1475 patients, across 13 states and a union territory of India were screened and re-tested for Dengue, Chikungunya and Zika by CDC Trioplex Real time RT-PCR.

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