Publications by authors named "Topal S"

Background: The aim of this study is the evaluation of a closed-loop oxygen control system in pediatric patients undergoing invasive mechanical ventilation (IMV).

Methods: Cross-over, multicenter, randomized, single-blind clinical trial. Patients between the ages of 1 month and 18 years who were undergoing IMV therapy for acute hypoxemic respiratory failure (AHRF) were assigned at random to either begin with a 2-hour period of closed-loop oxygen control or manual oxygen titrations.

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Article Synopsis
  • The research introduces a new method to create electrochromic materials using a specific Piccard-type system within Zr-MOFs, breaking the reliance on a limited set of building blocks in the field.
  • The newly developed material offers advantages such as fast switching rates, high contrast ratios, long-term stability, and comparable performance to traditional inorganic electrochromic materials.
  • The design of the framework allows for unique control of the oxidation process due to locked conformations of the electrochromic ligand, enabling the development of frameworks with distinct redox properties.
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Purpose: This study investigates the relationship between burnout levels of moral distress and missed nursing care in pediatric nurses.

Design And Method: A cross-sectional study was conducted between November and December 2023. Pediatric nurses working in two hospitals and providing direct care to children (n = 140) completed the Moral Distress Scale-Revised Pediatric Nurses, MISSCARE Survey - Pediatric Version and Burnout Measure-Short Version questionnaire.

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The study aims to determine the experiences of Turkish mothers with physical disabilities in the care of their children and their expectations from nurses in this process and ensure the establishment of strategic recommendations for nurses in line with these expectations. This qualitative descriptive study included 21 mothers with physical disabilities of nondisabled children aged 0-18 years. Data analysis was conducted using the traditional content analysis method in the Max Qualitative Data Analysis Analytics Pro 2020 program.

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Background: In pediatric intensive care units, extubation failure following invasive mechanical ventilation poses significant health risks. Determining readiness for extubation in children can minimize associated morbidity and mortality. This study investigates the potential role of renal near-infrared spectroscopy (RrSO2) in predicting extubation failure in pediatric patients.

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Introduction: Tuberculosis is an opportunist infection that is fatal and most frequently seen in HIV-positive patients due to immunosuppression. Endobronchial lesions can portray symptoms in different ways. Endobronchial Tuberculosis is one of these lesions.

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Human immunodeficiency virus (HIV)/acquired immundeficiency syndrome (AIDS) is a critical global public health problem that significantly affects both life expectancy and the overall quality of life of individuals in all age groups. The landscape of HIV infection has changed significantly in recent years due to the introduction of effective combination antiretroviral therapies (ART). A key component of first-line ART regimens for HIV treatment is abacavir, a nucleoside HIV reverse transcriptase inhibitor.

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Pediatric septic shock is defined as progressive multi-organ dysfunction and cardiovascular dysfunction accompanying sepsis. Studies showing myocardial dysfunction associated with pediatric septic shock are very limited. The aim of this study was to evaluate the relationship between myocardial functions calculated by echocardiography, disease severity, and clinical outcomes in children with septic shock.

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Article Synopsis
  • The study investigates multisystem inflammatory syndrome in children (MISC) related to COVID-19, focusing on comparing clinical and laboratory characteristics of children hospitalized in ICU versus those who were not.
  • Conducted from June 2021 to January 2022, the observational study included 601 patients, with 157 requiring ICU care, revealing significant differences in demographics, lab results, and disease features.
  • Key findings showed that older age groups and higher levels of certain inflammatory markers increased the likelihood of ICU admission, highlighting the severe impact of MISC on children's health.
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In an effort to improve military readiness, in 2014 the US Air Force reduced the frequency of mandated HIV medical evaluation visits from every 6 months to every 12 months. We employ this natural experiment using data for 2676 active-duty Military Health System beneficiaries living with HIV with a difference-in-differences empirical strategy using the Army, Navy, and Marines as a control group to estimate the causal effect of reducing the frequency of mandated evaluation visits on the quality and cost of medical care for active-duty military members living with HIV. We find that reducing the frequency of mandated HIV medical evaluation visits reduced the likelihood of regular HIV visits by 23 percentage points but did not affect the likelihood of receiving other preventive care, adhering to HIV therapy, or maintaining viral testing and suppression.

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Introduction: Malnutrition is defined as a pathological condition arising from deficient or imbalanced intake of nutritional elements. Factors such as increasing metabolic demands during the disease course in the hospitalized patients and inadequate calorie intake increase the risk of malnutrition. The aim of the present study is to evaluate nutritional status of patients admitted to pediatric intensive care units (PICU) in Turkey, examine the effect of nutrition on the treatment process and draw attention to the need for regulating nutritional support of patients while continuing existing therapies.

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To compare the anaesthesia methods in percutaneous nephrolithotomy in terms of safety and effectiveness in elderly men. Elderly male patients who had undergone percutaneous nephrolithotomy were screened retrospectively and divided into 2 groups: percutaneous nephrolithotomy under combined spino-epidural anaesthesia (Group CSEA,  = 70) and percutaneous nephrolithotomy under general anaesthesia (Group GA,  = 114). Preoperative, perioperative and postoperative outcome measures were examined.

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Background: Inappropriate antibiotic use in acute respiratory infections (ARIs) is a major public health concern; however, data for people with human immunodeficiency virus (PWH) are limited.

Methods: The HIV Virtual Cohort Study is a retrospective cohort of adult Department of Defense beneficiaries. Male PWH cases (n = 2413) were matched 1:2 to controls without HIV (n = 4826) by age, gender, race/ethnicity, and beneficiary status.

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Purpose: To compare the effects of fabricating methods of custom monoblock mandibular advancement devices (MADs) on usability and efficacy in patients with mild and moderate obstructive sleep apnea (OSA).

Materials And Methods: Digitally fabricated custom MADs (dMADs) were produced for 11 OSA participants who had previously used conventionally fabricated custom MADs (cMADs). The participants answered a modified usability questionnaire for both MADs, and the average scores that were given to the questionnaire were evaluated by age, sex, and body mass index (BMI), and the scores of cMADs and dMADs were compared.

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This multi-center point prevalence study evaluated children who were diagnosed as having coronavirus disease 2019 (COVID-19). On February 2nd, 2022, inpatients and outpatients infected with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) were included in the study from 12 cities and 24 centers in Turkey. Of 8605 patients on February 2nd, 2022, in participating centers, 706 (8.

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Background: Hyperlactatemia is a common finding in critically ill patients and has significant prognostic implications. However, a single lactate measurement has not been correlated to mortality consistently. In this study, we aimed to correlate the clinical efficacy of lactate clearance for the prediction of mortality in pediatric intensive care unit patients.

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Background/objective(s)/introduction: TURKOVAC™ is a whole-virion inactivated COVID-19 vaccine, which was developed and recently granted emergency use authorization (conditional marketing authorization) in Türkiye. The objective of this study is to assess the spectrum and the distribution of adverse events reported following the administration of the first 150,000 doses as primary and booster vaccine doses in 22 state hospitals of 17 provinces in Türkiye.

Patients/materials And Methods: In this cohort study, a verbal survey was conducted telephone calls between 10 January and 17 January 2022, utilizing a structured questionnaire algorithm on a sample group of 20,000 persons on the third- and seventh-days following vaccination.

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Objective: Feeding intolerance (FI) is a common condition in preterm infants because they have an immature gastrointestinal tract. There are studies on the effects of the position on gastric residual volume (GRV) in preterm infants. Kangaroo mother care (KMC) may be an instrument for reducing FI by providing an upright position to infants.

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Among masses involving the mitral valve and annulus, caseous calcification of the mitral annulus (CCMA) is a rare disease. CCMA accounts for .63% of all mitral annular calcification (MAC) cases.

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TURKOVAC™ is a whole-virion inactivated COVID-19 vaccine which was developed and granted emergency use and conditional marketing authorization in December 2021 in Türkiye. The objective of this study is to assess the distribution and the severity of allergic adverse events following the administration of the vaccine as the primary or the booster dose in 15 provinces in Türkiye. In this cohort study, between February and May 2022, in the selected 15 provinces having an adequate number of health care personnel in the community health centers to conduct the study, 32,300 people having the first, the second, or the booster dose of the vaccine were invited to the survey.

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Article Synopsis
  • The text presents TTB, a first-of-its-kind triple-channel fluorescent probe capable of detecting cyanide, hydrazine, and hypochlorite using the same excitation wavelength (360 nm) in a single medium.
  • The probe produces distinct fluorescent colors—white for cyanide, green for hydrazine, and orange for hypochlorite—allowing for naked-eye detection, with a notable mega Stokes shift of 175 nm.
  • It demonstrates excellent selectivity with low detection limits and has been tested successfully in complex water samples and even in apricot kernels and various fruits and vegetables.
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Background: This study evaluated of clinical characteristics, outcomes, and mortality risk factors of a severe multisystem inflammatory syndrome in children admitted to a the pediatric intensive care unit.

Methods: A retrospective multicenter cohort study was conducted between March 2020 and April 2021 at 41 PICUs in Turkey. The study population comprised 322 children diagnosed with multisystem inflammatory syndrome.

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Objectives: Status epilepticus (SE) is associated with significant morbidity and mortality in children. SE in the pediatric intensive care unit (PICU) are not well characterized. The aim of this study is to retrospectively investigate the clinical features and treatment of seizures in children admitted to the PICU of our hospital.

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Left ventricular outflow stenosis can develop at the supravalvular, valvular, and subvalvular levels. Resection of strictures at the diffuse subvalvular level is very difficult. In such pathologies, Konno-Rastan procedure provides very successful solutions as an anterior aortoventriculoplasty method.

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