Publications by authors named "Phatthranit Phattharapornjaroen"

Article Synopsis
  • * Two specific bacteriophages (vB_kpnM_05 and vB_kpnP_08) were isolated from Thai wastewater and demonstrated effectiveness against a high percentage of drug-resistant K. pneumoniae strains, showing rapid replication and stability under different conditions.
  • * A phage cocktail combining these two phages alongside the antibiotic amikacin exhibited enhanced antibacterial activity, preventing bacterial regrowth and highlighting a promising therapeutic approach to combat XDR K. pneumoniae infections.
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Given the rise of multidrug-resistant (MDR) Pseudomonas aeruginosa infections, alternative treatments are needed. Anti-pseudomonal phage therapy shows promise, but its clinical application is limited due to the development of resistance and a lack of biofilm penetration. Recently, adjuvants like CaEDTA have shown the ability to enhance the effectiveness of combined antimicrobial agents.

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Article Synopsis
  • A common pathogen linked to hospital-acquired pneumonia shows increasing resistance to key antibiotics, highlighting the need for new treatment options.
  • The review examines both current and innovative therapeutic strategies, including antibiotic combination therapies which have yielded mixed results in studies.
  • It also discusses emerging therapies like antimicrobial peptides, bacteriophage-based treatments, and nanoparticle therapies, emphasizing the need for further research to ensure their safety and effectiveness before being used clinically.
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Aim: We evaluated the appropriateness of various chest compression (CC) depths among Thai population by comparing the calculated heart compression fraction (HCF) using mathematical methods based on chest computed tomography (CT) measurements.

Methods: This multicenter retrospective cross-sectional study was conducted from September 2014 to December 2020. Chest parameters included external anteroposterior diameter (EAPD), internal anteroposterior diameter (IAPD), heart anteroposterior diameter (HAPD), and non-cardiac soft tissue measured at the level of maximum left ventricular diameter (LVmax).

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Background: Repurposed drugs with host-directed antiviral and immunomodulatory properties have shown promise in the treatment of COVID-19, but few trials have studied combinations of these agents. The aim of this trial was to assess the effectiveness of affordable, widely available, repurposed drugs used in combination for treatment of COVID-19, which may be particularly relevant to low-resource countries.

Methods: We conducted an open-label, randomized, outpatient, controlled trial in Thailand from October 1, 2021, to June 21, 2022, to assess whether early treatment within 48-h of symptoms onset with combinations of fluvoxamine, bromhexine, cyproheptadine, and niclosamide, given to adults with confirmed mild SARS-CoV-2 infection, can prevent 28-day clinical deterioration compared to standard care.

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This study investigated the potential of using SARS-CoV-2 viral concentrations in dust as an additional surveillance tool for early detection and monitoring of COVID-19 transmission. Dust samples were collected from 8 public locations in 16 districts of Bangkok, Thailand, from June to August 2021. SARS-CoV-2 RNA concentrations in dust were quantified, and their correlation with community case incidence was assessed.

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The objective of this study was to determine the height of optimal hand position for chest compression during adult cardiopulmonary resuscitation (CPR) from the tip of the sternal xiphoid process (TOX) along with the relative heights of the left ventricular outflow tract (LVOT) and abdominal organs among the Thai population. The retrospective cross-sectional study was conducted through a review of medical records and contrast-enhanced chest computed tomography. The total of 204 Thai patients without obvious chest deformity at Ramathibodi Hospital from January to June 2018 was included as part of a multi-regional study.

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Background: Mass casualty incidents (MCI) pose significant challenges to existing resources, entailing multiagency collaboration. Triage is a critical component in the management of MCIs, but the lack of a universally accepted triage system can hinder collaboration and lead to preventable loss of life. This multinational study uses validated patient cards (cases) based on real MCIs to evaluate the feasibility and effectiveness of a novel Translational Triage Tool (TTT) in primary triage assessment of mass casualty victims.

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Objectives: While person-/patient-centered care aims to influence policymakers' rules and regulations to improve the care of individuals worldwide, exploration of the concept in the context of disaster and public health emergencies as an alternative ethical approach is lacking. This study aims to provide a nuanced understanding of the advantages and challenges of diverse ethical approaches in emergencies, to improve patient care.

Methods: A survey, created after several rounds of Delphi methodology, with 22 statements, was applied to 39 participants from nine different countries.

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Background: Hospitals play a crucial role in responding to disasters and public health emergencies. However, they are also vulnerable to threats such as fire or flooding and can fail to respond or evacuate adequately due to unpreparedness and lack of evacuation measures. The United Nations Office for Disaster Risk Reduction has emphasised the importance of partnerships and capacity building in disaster response.

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Developing an effective therapy to overcome carbapenemase-positive (CPKp) is an important therapeutic challenge that must be addressed urgently. Here, we explored a Ca-EDTA combination with aztreonam or ceftazidime-avibactam and against diverse CPKp clinical isolates. The synergy testing of this study demonstrated that novel aztreonam-Ca-EDTA or ceftazidime-avibactam-Ca-EDTA combination was significantly effective in eliminating planktonic and mature biofilms , as well as eradicating CPKp infections .

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Article Synopsis
  • High population density and tourism in Southeast Asia raise the risk of mpox due to close interactions among people.
  • Wastewater testing in six countries showed the presence of Monkeypox virus (MPXV) DNA, indicating that the virus is spreading locally.
  • This finding is crucial for healthcare providers to identify cases and manage resources effectively, like testing and vaccines, especially in countries with limited resources.
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Equitable SARS-CoV-2 surveillance in low-resource communities lacking centralized sewers is critical as wastewater-based epidemiology (WBE) progresses. However, large-scale studies on SARS-CoV-2 detection in wastewater from low-and middle-income countries is limited because of economic and technical reasons. In this study, wastewater samples were collected twice a month from 186 urban and rural subdistricts in nine provinces of Thailand mostly having decentralized and non-sewered sanitation infrastructure and analyzed for SARS-CoV-2 RNA variants using allele-specific RT-qPCR.

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Introduction: The effectiveness of cardiopulmonary resuscitation is determined by appropriate chest compression depth and rate. The American Heart Association recommended CC depth at 5-6 cm to indicate proper cardiac output during cardiac arrest. However, many studies showed the differences in the body builds between Caucasians and Asians.

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The monkeypox virus is excreted in the feces of infected individuals. Therefore, there is an interest in using viral load detection in wastewater for sentinel early surveillance at a community level and as a complementary approach to syndromic surveillance. We collected wastewater from 63 sewered and non-sewered locations in Bangkok city center between May and August 2022.

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Background: Out-of-hospital cardiac arrest (OHCA) remains one of the leading causes of death worldwide, and bystander CPR with public-access defibrillation improves OHCA survival outcomes. The COVID-19 pandemic has posed many challenges for emergency medical services (EMS), including the suggestion of compression-only resuscitation and recommendations for complete personal protective equipment, which have created operational difficulties and prolonged response time. However, the risk factors affecting OHCA outcomes during the pandemic are poorly defined.

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The global prevalence of colistin-resistant Klebsiella pneumoniae (ColRkp) facilitated by chromosomal and plasmid-mediated Ara4N or PEtN-remodeled LPS alterations has steadily increased with increased colistin usage for treating carbapenem-resistant K. pneumoniae (CRkp). Our study demonstrated the rising trend of ColRkp showing extensively and pandrug-resistant characteristics among CRkp, with a prevalence of 28.

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Article Synopsis
  • * Genetic analysis found no presence of the mcr gene, but identified key amino acid substitutions in the PmrB protein contributing to colistin resistance through modifications to lipid A.
  • * The combination treatment of colistin and sulbactam showed an 86.7% synergy rate against CoR-AB isolates, indicating a promising approach for addressing infections resistant to standard treatments.
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Background: Out-of-hospital cardiac arrest (OHCA) remains a health problem worldwide, carrying a high mortality rate. Comparison of emergency department (ED) return of spontaneous circulation (ROSC) after OHCA in relation to emergency medical services (EMS) and non-EMS modes of transportation to the hospital was conducted to assess the impact points of the EMS system in Thailand.

Methods: This retrospective observational study enrolled all OHCA patients who visited the ED of Ramathibodi Hospital, a tertiary university hospital in Bangkok, between January 1, 2008, and May 31, 2020.

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