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    Can we predict patients that will not benefit from invasive mechanical ventilation? A novel scoring system in intensive care: the IMV Mortality Prediction Score (IMPRES)
    (Tubitak Scientific & Technological Research Council Turkey, 2019) Ozlu, Tevfik; Pehlivanlar Kucuk, Mehtap; Kaya, Akin; Yarar, Esra; Kirakli, Cenk; Sengoren Dikis, Ozlem; Kefeli Celik, Hale
    Background/aim: The present study aimed to define the clinical and laboratory criteria for predicting patients that will not benefit from invasive mechanical ventilation (IMV) treatment and determine the prediction of mortality and prognosis of these critical ill patients. Materials and methods: The study was designed as an observational, multicenter, prospective, and cross-sectional clinical study. It was conducted by 75 researchers at 41 centers in intensive care units (ICUs) located in various geographical areas of Turkey. It included a total of 1463 ICU patients who were receiving invasive mechanical ventilation (IMV) treatment. A total of 158 parameters were examined via logistic regression analysis to identify independent risk factors for mortality; using these data, the IMV Mortality Prediction Score (IMPRES) scoring system was developed. Results: The following cut-off scores were used to indicate mortality risk: <2, low risk; 2-5, moderate risk; 5.1-8, high risk; >8, very high risk. There was a 26.8% mortality rate among the 254 patients who had a total IMPRES score of lower than 2. The mortality rate was 93.3% for patients with total 1M PRES scores of greater than 8 (P < 0.001). Conclusion: The present study included a large number of patients from various geographical areas of the country who were admitted to various types of ICUs, had diverse diagnoses and comorbidities, were intubated with various indications in either urgent or elective settings, and were followed by physicians from various specialties. Therefore, our data are more general and can be applied to a broader population. This study devised a new scoring system for decision-making for critically ill patients as to whether they need to be intubated or not and presents a rapid and accurate prediction of mortality and prognosis prior to ICU admission using simple clinical data.
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    The safety profile of trimethoprim-sulfamethoxazole regarding concomitant other drugs: a comparative analysis of adverse effects in a tertiary level adult intensive care unit
    (Bmc, 2025) Durmus, Mefkure; Aydin, Davut; Ustaomer, Sena; Guzel Karahan, Sena; Kucuk, Ahmet Oguzhan; Pehlivanlar Kucuk, Mehtap
    Background Trimethoprim-sulfamethoxazole (TMP-SMX) has been used clinically against many gram-positive and gram-negative bacteria, Pneumocystis, and certain protozoa. Beside its beneficial effects, it has many adverse reactions such as hyperkalemia, aplastic anemia, fulminant hepatic necrosis, hematological and neurological toxicity. Evaluation of TMP-SMX-related adverse reactions in intensive care unit (ICU) patients who generally with polipharmacy is lacking. We aimed to identify TMP-SMX-related adverse effects associated with mortality, and to determine independent predictors of this outcome, and factors associated with adverse reactions in critically ill patients who generally with polypharmacy undergoing TMP-SMX therapy. Methods This retrospective observational cohort study was conducted in a 16-bed adult medical ICU in T & uuml;rkiye. To assess the impact of various factors on TMP-SMX-related adverse reactions, patients were categorized into two independent groups based on the presence or absence of adverse effects. Additionally, to analyze changes in laboratory parameters associated with TMP-SMX therapy, paired comparisons were made between pre-therapy and post-therapy values within the same patients. Statistical analyses were conducted using IBM SPSS Statistics for Windows, Version 23.0. Results Serum creatinin (sCr) elevation, AST elevation, hyperbilirubinemia, thrombocytopenia, and metabolic acidosis were significantly associated with mortality, also sCr elevation was found to be an independent risk factor for mortality. Any of drugs or diseases were increased the risk of hyperkalemia concomitant TMP-SMX. ALT elevation were significantly associated with concomitantly teicoplanin. Endocrinologic disease or respiratory causes of ICU admission were found independent risk factors for AST elevation or acidosis respectively. Thrombocytopenia was associated with concomitantly colistin-echinocandin combination. Cardiovascular diseases concomitant TMP-SMX were found to be an independent risk factor for serum creatinin (sCr) elevation. There was no relationship between sCr elevation and TMP-SMX concomitantly colistimethate. Conclusions Physicians should pay attention when prescribing TMP-SMX to patients with cardiovascular diseases. Teicoplanin, colistin-echinocandin, piperacillin tazobactam and acyclovir should be administered carefully concomitantly TMP-SMX regarding liver enzyme elevation, thrombocytopenia and hyponatremia respectively.