1.COVID-19 mortality in the Philippines: province-level ecological analysis, 2020–2023
Jimuel Celeste, Jr ; Jesus Emmanuel Sevilleja ; Vena Pearl Bongolan ; Roselle Leah Rivera ; Salvador Eugenio Caoili ; Romulo de Castro
Western Pacific Surveillance and Response 2026;17(1):30-41
Objective: To investigate COVID-19 mortality in Philippine provinces from 2020 to 2023.
Methods: Crude mortality rate (CMR), age-standardized mortality rate (ASMR) and age-specific mortality rate were computed for 84 areas (82 provinces and 2 cities) using COVID-19 surveillance data from the Philippine Department of Health, which captured data about confirmed deaths occurring between 20 January 2020 and 9 May 2023. Provinces were ranked by their ASMR. A correlation analysis was conducted to identify possible predictors of COVID-19 mortality. Among the factors investigated were the incidence of poverty, population density, proportion of the population considered elderly (aged >=65 years), hospital bed density and COVID-19 testing rates.
Results: Eight of the 10 provinces that had the highest COVID-19 ASMRs were located in the Luzon island group. The province with the highest ASMR was Benguet in Northern Luzon (207.83 deaths/100 000 population), and the lowest rate was in Tawi-Tawi in Southwestern Mindanao (2.22 deaths/100 000 population). The incidence of poverty was negatively correlated with COVID-19 mortality, while hospital bed density and COVID-19 testing rates were positively correlated with CMRs and ASMRs.
Discussion: This analysis provides a starting point for investigating COVID-19 mortality in Philippine provinces. The ranking of provinces by their ASMR is useful for directing future epidemiological investigations and, coupled with the results of the correlation analysis, provides insight into the factors that may have impacted COVID-19 mortality in the Philippines. Our analysis suggests that COVID-19 mortality patterns can partly be explained by the streetlight effect and factors linked to the availability of and access to health care.
2.Signals mining and analysis of inebilizumab adverse events
Jiayi ZHANG ; Chen LIU ; Xiaotong ZHANG
China Pharmacy 2026;37(2):215-219
OBJECTIVE To mine and analyze adverse event signals associated with inebilizumab, and to provide reference for safe and rational clinical use. METHODS Reports of adverse event related to inebilizumab were collected from the FDA adverse event reporting system (FAERS) database, from Q2 2020 to Q4 2024. Adverse events were standardized and categorized according to the preferred term (PT) and system organ class (SOC) of the Medical Dictionary for Regulatory Activities (MedDRA) version 26.0. Signals were mined using the reporting odds ratio (ROR) method and the Bayesian confidence propagation neural network (BCPNN) method. RESULTS A total of 783 adverse event reports with inebilizumab as the primary suspected drug were identified, involving 297 patients. Most reports originated from the United States and Japan, with physicians being the primary reporters. Female patients outnumbered males, and the most common age group was 45-64 years. Using the ROR method and BCPNN method, a total of 29 valid adverse event signals were detected, involving 12 SOCs and comprising 225 adverse event reports. The five most frequently reported PTs were headache, nausea, fatigue, infectious pneumonia and arthralgia. The five PTs with the strongest signal intensity were: B-cell recovery, decreased blood immunoglobulin G, spinal compression fracture, COVID-19 and acute respiratory distress syndrome. Among the 29 valid signals for adverse event, 19 were not documented in the drug package inserts, involving 10 SOCs and comprising 107 adverse event reports. These encompassed nervous system disorders, general disorders and administration site conditions, eye disorders, among others. CONCLUSIONS Inebilizumab treatment not only causes adverse events documented in the product information, such as infections, immunoglobulin reduction and infusion-related reactions but also leads to potential signals, including B-cell recovery, spinal compression fracture. When using this drug in clinical practice, the patient’s risk of infection and baseline immune status should be assessed, relevant indicators should be closely monitored, and targeted preventive measures should be considered when necessary.
3.Clinical features and management of liver cirrhosis comorbid with severe acute respiratory syndrome coronavirus 2 infection
Wenli JIANG ; Wenlong YANG ; Lei LUO
Journal of Clinical Hepatology 2026;42(1):203-208
Patients with liver cirrhosis are more susceptible to various bacterial or viral infections due to immune dysfunction. Recent studies have shown that compared with the general population, individuals with liver cirrhosis show a significant increase in the incidence rate of adverse outcomes after severe acute respiratory syndrome coronavirus 2 infection, including the progression of liver injury and the increase in mortality rate. Vaccination can reduce the incidence rates of breakthrough infections and severe coronavirus disease 2019 (COVID-19) in patients with liver cirrhosis, but such patients have low immune response and thus require booster doses to enhance immunity. This article reviews the clinical features of cirrhotic patients with COVID-19 and related management strategies, in order to provide evidence-based guidance for the clinical diagnosis and treatment of such patients.
4.Pilot Utilization of Simulation-based Training among Interprofessional Teams in Proning Pregnant and Obese/Overweight Patients Experiencing Acute Respiratory Failure.
Maria Julieta V. Germar ; Maria Antonia E. Habana ; Albert B. Albay ; Bernadette Cris L. Festejo-Dela Cruz ; Hanz Deihl B. Carmona ; Jean Michael L. Castillo ; Ma. Romina Jiselle A. Lirio ; Karen Anne L. Claridad ; Carlos Diego A. Rozul
Acta Medica Philippina 2026;60(3):7-12
OBJECTIVES
The current study aimed to evaluate the impact of an interprofessional simulation-based training program on providers' perception, knowledge, and confidence in proning of pregnant patients with Acute Respiratory Distress Syndrome due to COVID -19 or other causes.
METHODSA total of 124 healthcare workers who took part in the management of patients in COVID wards and ICUs participated in the study. The simulation workshop was conducted on May 2022 and the participants were divided into interprofessional teams. Standardized patients and mannequins were used to simulate patients with ARDS. Standardized checklists for proning were used. The participants were debriefed after. The participants completed pre- and post-simulation questionnaires.
RESULTSAfter the simulation workshop, the participants’ perception on the benefit of prone position in the ventilation of patients with ARDS, level of confidence in handling proning of pregnant patients, comfort in speaking to patient and next of kin regarding prone ventilation, and knowledge on proning significantly improved. Subgroup analysis
showed statistically significant improvements in knowledge scores among registered nurses, resident physicians, and participants with varying degrees of experience managing COVID-19 patients and proning pregnant patients. Majority of participants deemed it was easy to turn patients in the prone position using the supportive pillow as well as expressed confidence in doing the procedure.
Interprofessional simulation-based training of healthcare workers improved providers' knowledge and confidence in proning pregnant patients. Simulation based training also improved the comfort of the healthcare professional in advising the patient and next of kin on the benefits of proning.
Human
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World Health Organization
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Respiratory Insufficiency
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Handling (psychology)
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Occupational Groups
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Knowledge
5.Knowledge, Attitude, and Practices Assessment of Unvaccinated Adult In-patients Regarding COVID-19 Vaccination in a Tertiary Hospital in Nueva Vizcaya, Philippines: A Cross-sectional Study.
Charity May B. Pazziwagan ; Emmeline B. Borillo
Acta Medica Philippina 2026;60(3):78-87
OBJECTIVES
his quantitative cross-sectional study aimed to determine the level of knowledge, attitude, and practices
regarding COVID-19 vaccination of unvaccinated adult patients admitted at Region II Trauma and Medical Center
(R2TMC). This may help determine the knowledge gap regarding COVID-19 vaccination, address it, and to achieve
the goal to vaccinate all eligible Filipinos. Furthermore, this may also be a springboard for future researches and
management regarding novel infections needing new vaccinations.
Collected data from the sample size of 197 using the formula for finite population with 95% confidence
level, population proportion of 50%, population size of 400, allowing 5% margin of error were summarized in a
Microsoft excel database and tables, then were analyzed using Jamovi version 2.6.22 software. Frequency, mean,
and standard deviation were calculated to measure the knowledge, attitude, and practices; Pearson correlation and
Kendall’s Tau b correlation for its relationship.
There is moderate level of knowledge (MS: 9.80-11.8), a positive attitude (MR: 2.35-2.60), and good preventive
practices (MS: 12.00-13.00) regarding SARS-CoV-2 (COVID-19) vaccination among the unvaccinated adult in-patients
of R2TMC post-pandemic. Knowledge, attitudes, and practices statistically differed (pCONCLUSION
There is a significant correlation among the knowledge of the respondents about COVID-19 vaccination,
their attitude towards it, and their practices, implying that promoting preventive behaviors toward COVID-19 would
require promoting both knowledge and efficacy beliefs among the public.
Human ; Bacteria ; Male ; Female ; Adult: 25-44 Yrs Old ; Middle Aged: 45-64 Yrs Old ; Wounds And Injuries ; Population Density ; Cross-sectional Studies ; Forecasting ; Sars-cov-2 ; Sars Virus ; Covid-19
6.External ocular manifestations among patients diagnosed with Coronavirus disease 2019 in a referral center in the Philippines.
Alyssa Louise B. Pejana-Paulino ; Aramis B. Torrefranca Jr. ; Nilo Vincent DG. Florcruz ; Ma. Dominga B. Padilla
Acta Medica Philippina 2026;60(1):69-77
BACKGROUND AND OBJECTIVES
The global pandemic caused by Coronavirus Disease 2019 (COVID-19) has affected millions, with growing evidence of the potential role of ocular tissues in viral transmission. At the time of writing, local data regarding the phenomenon was limited. This study investigated external ocular manifestations in patients with COVID-19 at a referral center in the Philippines, examined correlations between demographics, systemic manifestations, and laboratory results with ocular manifestations, and determined their timing relative to systemic symptoms.
METHODSThis single-center, descriptive cross-sectional study was carried out from December 8 to 18, 2020 at the adult COVID-19 wards of the Philippine General Hospital involving 72 participants. Data collection involved relevant clinical history taking and performing gross eye examination. The prevalence of ocular manifestations was described with 95% confidence intervals. Correlations between ocular manifestations and quantitative variables were analyzed with point-biserial correlation, and associations with qualitative variables were tested using chi-square or Fisher’s exact tests.
RESULTSAmong participants, 31.9% presented with ocular manifestations with foreign body sensation as the most prevalent ocular symptom (11.1%) and conjunctival hyperemia as the most prevalent ocular finding (19.4%). The median age of patients with ocular manifestations was 41 years old with a higher prevalence in the male population (73.9%, CI=95%, p=0.001). No significant correlation was observed between presence of external ocular manifestations and the different systemic and ocular co-morbidities as well as with COVID-19 clinical classification. Among those who experienced symptoms, majority (29.2%) of the patients experienced systemic symptoms prior to the onset of ocular symptoms. Ocular complaints may present as the sole manifestation (13.9%). Several laboratory parameters were measured and only temperature and AST levels showed a low positive correlation with the presence of ocular manifestations.
CONCLUSIONOcular manifestations occur in roughly one third of patients with COVID-19 based on this study population. With some individuals presenting with ocular signs or symptoms as the initial and sole manifestation, healthcare practitioners must exercise caution and remain vigilant in managing patients who present as such. At the time of writing, this is the first local study investigating the different external ocular manifestations in patients with COVID-19. There is a need to pursue more robust studies and conduct more local investigations which will guide both ophthalmologists and other practitioners in strengthening existing guidelines regarding precautionary practices, clinical diagnosis, and management of COVID-19 patients.
Human ; Sars-cov-2 ; Covid-19 ; Philippines ; Adult ; Association ; Classification ; Collection ; Confidence Intervals ; Coronavirus ; Cross-sectional Studies ; Data Collection ; Demography ; Diagnosis ; Disease ; Exercise ; Eye ; Foreign Bodies ; History ; Hospitals ; Hospitals, General ; Hyperemia ; Laboratories ; Male ; Morbidity ; Ophthalmologists ; Pandemics ; Patients ; Population ; Prevalence ; Referral And Consultation ; Role ; Sensation ; Temperature ; Time ; Tissues ; Volition ; World Health Organization ; Writing
7.Genomic variant surveillance of SARS-CoV-2 positive specimens using a direct PCR product sequencing surveillance (DPPSS) method.
Nicole Ann L. Tuberon ; Francisco M. Heralde III ; Catherine C. Reportoso ; Arturo L. Gaitano III ; Wilmar Jun O. Elopre ; Kim Claudette J. Fernandez
Acta Medica Philippina 2026;60(1):57-68
BACKGROUND AND OBJECTIVE
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) as the causative agent of COVID-19 has significantly challenged the public health landscape in late 2019. After almost 3 years of the first ever SARS-CoV-2 case, the World Health Organization (WHO) declared the end of this global health emergency in May 2023. Although, despite the subsequent drop of COVID-19 cases, the SARS-CoV-2 infection still exhibited multiple waves of infection, primarily attributed to the appearance of new variants. Five of these variants have been classified as Variants of Concern (VOC): Alpha, Beta, Gamma, Delta, and the most recent, Omicron. Therefore, the development of methods for the timely and accurate detection of viral variants remains fundamental, ensuring an ongoing and effective response to the disease. This study aims to evaluate the feasibility of the application of an in-house approach in genomic surveillance for the detection of SARS-CoV-2 variants using in silico designed primers.
METHODSThe primers used for the study were particularly designed based on conserved regions of certain genes in the virus, targeting distinct mutations found in known variants of SARS-CoV-2. Viral RNA extracts from nasopharyngeal samples (n=14) were subjected to quantitative and qualitative tests (Nanodrop and AGE). Selected samples were then analyzed by RT-PCR and amplicons were submitted for sequencing. Sequence alignment analysis was carried out to identify the prevailing COVID-19 variant present in the sample population.
RESULTSThe study findings demonstrated that the in-house method was able to successfully amplify conserved sequences (spike, envelope, membrane, ORF1ab) and enabled identification of the circulating SARS-CoV-2 variant among the samples. Majority of the samples were identified as Omicron variant. Three out of four designed primers effectively bound into the conserved sequence of target genes present in the sample, revealing the specific SARSCoV-2 variant. The detected mutations characterized for Omicron found in the identified lineages included K417N, S477N, and P681H which were also identified as mutations of interest. Furthermore, identification of the B.1.448 lineage which was not classified in any known variant also provided the potential of the developed in-house method in detecting unknown variants of COVID-19.
CONCLUSIONAmong the five VOCs, Omicron is the most prevalent and dominant variant. The in-house direct PCR product sequencing surveillance (DPPSS) method provided an alternative platform for SAR-CoV-2 variant analysis which is accessible and affordable than the conventional diagnostic surveillance methods and the whole genome sequencing. Further evaluation and improvements on the oligonucleotide primers may offer significant contribution to the development of a specific and direct PCRbased detection of new emerging COVID-19 variants.
Sars-cov-2 ; Polymerase Chain Reaction ; Dna Primers ; Oligonucleotide Primers ; Computer Simulation ; Conserved Sequence ; Coronavirus ; Covid-19 ; Disease ; Emergencies ; Evaluation Studies As Topic ; Genes ; Genome ; Global Health ; Health ; Identification (psychology) ; Infection ; Infections ; Membranes ; Methods ; Mutation ; Oligonucleotides ; Organizations ; Population ; Public Health ; Rna ; Rna, Viral ; Sars Virus ; Sequence Alignment ; Severe Acute Respiratory Syndrome ; Syndrome ; Viruses ; Whole Genome Sequencing ; World Health Organization
8.Sedation practices for intubated patients with COVID-19 and non-COVID-19 acute respiratory distress syndrome and its effects on clinical outcomes.
Patricia T. Pintac ; Albert B. Albay Jr.
Acta Medica Philippina 2026;60(4):79-88
OBJECTIVE
To compare the sedation practices of adult intubated patients with COVID-19-related Acute Respiratory Distress Syndrome (C-ARDS) and ARDS from other causes, and their impact on clinical outcomes in a tertiary hospital.
METHODSWe performed a retrospective cohort on the sedation practices of adult intubated patients with C-ARDS and non-C-ARDS admitted to the intensive care unit of a tertiary hospital from January 2021 to December 2021. Electronic medical records were reviewed to obtain sedative use, sedative dosages, clinical outcomes, and complications.
RESULTSAmong the 150 included patients, 112 had C-ARDS, and 38 had non-C-ARDS. The C-ARDS group showed a significant difference with the non-C-ARDS group in terms of BMI (24.11 vs. 21.09 kg/m2, p < 0.001), use of higher PEEP (16 vs. 10, p < 0.001), and prone positioning (40.18% vs 2.63%, p < 0.01). In terms of sedation practice, C-ARDS patients targeted deeper RASS scores (p=0.038), with a significantly higher proportion receiving more than one sedative (82.14% vs. 18.42, p < 0.001) than non-C-ARDS patients. Sedation doses for midazolam (78 mg/d vs. 36 mg/d; p=0.01) and propofol (mean 2626±1312.97 mg/d vs. 1742±380.99 mg/d; p=0.007), were significantly higher among C-ARDS versus non-C-ARDS group. Duration of hospitalization (9 vs. 20 days; p < 0.001) and ventilator use (7 vs. 14.50 days; p < 0.001) were significantly shorter in the C-ARDS group, albeit with a high mortality (100% vs. 89.47%; p=0.004). Shock-requiring pressor was significantly associated with multiple sedation use [OR=15.11 (1.52-2032.89); p=0.017] and combination use of benzodiazepine and non-benzodiazepines [OR=11.51 (1.17-1541.91); p=0.034] in the C-ARDS but not the C-ARDS group.
CONCLUSIONPatients with C-ARDS had higher sedation requirements in terms of dosage and number of sedatives. The use of multiple sedatives was significantly associated with shock-requiring pressor. We recommend the development of a sedation protocol to guide sedation practices and monitoring of complications in the critically ill.
Human ; Covid-19 ; Intensive Care Units
9.Spontaneous hemarthrosis following prophylactic enoxaparin therapy in a patient with chronic kidney disease and COVID-19: A case report.
Mark Andrian O. YANO ; Geraldine T. ZAMORA ; Karen Anne L. CLARIDAD
Acta Medica Philippina 2026;60(4):97-100
Knee pain is a common clinical complaint with a broad differential diagnosis. In critically ill patients, acute monoarticular pain and swelling typically raise concern for septic arthritis. However, alternative etiologies such as crystal-induced arthritis, trauma, and hemarthrosis must also be considered.
This report presents a rare case of spontaneous hemarthrosis in a patient receiving prophylactic enoxaparin. Although uncommon, spontaneous hemarthrosis is a significant complication of anticoagulation therapy, particularly with low molecular weight heparins (LMWH) like enoxaparin.
Human ; Male ; Aged: 65-79 Yrs Old ; Hemarthrosis ; Covid-19 ; Enoxaparin
10.Drivers for decision change in getting vaccinated against COVID-19: A retrospective cross-sectional study
Rosemary R. Seva ; Lourdes Marie S. Tejero ; Bettina Joyce P. Ilagan
Acta Medica Philippina 2026;60(3):60-69
Background:
A certain percentage of the vaccinated population initially did not want to get vaccinated but changed
their minds (from 30% to 70%). By October 2022, World Bank reported that the Philippines had 77.8% COVID-19 vaccination rate. Knowing the factors that changed their decision can help improve the vaccination rate.
Objective:
This survey aimed to identify the factors that influence positive change in vaccination decisions.
Methods:
This survey was conducted in the Philippines among Filipinos aged 18-80 years old between March to April 2022. The dependent variable in the study was decision change, a binary variable coded as 1 for a vaccinated person who changed their decision from no to yes and 0 for an unvaccinated person who did not change their decision from yes to no.
Results:
Age (adjusted odds ratio [aOR] = 0.92, 95% CI = 0.89-0.96) and having a college degree (aOR=11.707,
95% CI=3.23-42.41) are related to changing decisions. Young and college degree holders are likely to change their decisions positively about getting vaccinated. Employer requirement also influences decision change because it affects a person's livelihood. High scores on vaccine confidence (aOR = 1.181, 95% CI = 1.12-1.25) and awareness (aOR = 1.318, 95% CI = 1.08-1.61) are associated with decision change.
Conclusion
Being young, educated, employed with a requirement to vaccinate, and having high vaccine awareness
and confidence are strongly associated with a positive change in the decision to get vaccinated.
Vaccines
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Vaccination
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Philippines
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Awareness
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Covid-19


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