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עמוד בית
Mon, 20.05.24

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April 2022
Ilan Merdler MD MHA, Shir Frydman MD, Svetlana Sirota MSc, Amir Halkin MD, Arie Steinvil MD, Ella Toledano MD, Maayan Konigstein MD, Batia Litmanowicz MD, Samuel Bazan MD, Atalia Wenkert BA, Sapir Sadon BA, Shmuel Banai MD, Ariel Finkelstein MD, and Yaron Arbel MD

Background: Neutrophil-to-lymphocyte ratio (NLR) is a simple and cost-effective marker of inflammation. This marker has been shown to predict cardiac arrhythmias, progression of valvular heart disease, congestive heart failure decompensation, acute kidney injury, and mortality in cardiovascular patients. The pathologic process of aortic stenosis includes chronic inflammation of the valve and therefore biomarkers of inflammation might offer additive prognostic value.

Objectives: To evaluate NLR and its association with long term mortality in transcatheter aortic valve implantation (TAVI) patients.

Methods: We evaluated data of 1152 consecutive patient from the Tel Aviv Medical Center TAVI registry who underwent TAVI. Data included baseline clinical, demographic, and echocardiographic findings; procedural complications; and post-procedure mortality. Patients were compared by using the median NLR value (4.1) and evaluated for long-term mortality.

Results: Patients with NLR above the median had higher mortality rates (26.4% vs. 16.3%, P < 0.001) at 3 years post-procedure. A multivariable analysis found NLR to be an independent risk factor for mortality (hazard ratio = 1.47, 95% confidence interval 1.09–1.99, P = 0.013). In addition, high NLR was linked to complicationsduring and after the procedure.

Conclusion: NLR is an independent prognostic marker among TAVI patients. This marker may represent an increased inflammatory response and should be added to previous known prognostic factors.

February 2008
S. Davidson, N. Sokolover, A. Erlich, A. Litwin, N. Linder and L. Sirota

Background: Many centers in Israel still use pre-1970 reference data for neonatal weight, length and head circumference. A recently published population-based reference overestimated the weight of premature infants.

Objective: To develop a national reference for birth weight, birth length, and head circumference by gestational age for singleton infants in Israel.

Methods: Data were collected on all singleton live births documented in the neonatal registry of Rabin Medical Center from 1991 to 2005 (n=82,066). Gestational age estimation was based on the last menstrual period until 1977 and early fetal ultrasound thereafter. Neonates with an implausible birth weight for gestational age (identified by the rule of median ± 5 standard deviations or expert clinical opinion) were excluded. Reference tables for fetal growth by gestational age were created for males and females separately.

Results: The growth references developed differed markedly from the Usher curves currently used in our department. Compared to the recently published population-based birth weight reference, our data were free of the problem of differential misclassification of birth weight for gestational age for the premature infants and very similar for the other gestational age groups. This finding reinforced the validity of our measurements of birth weight, as well as of birth length and head circumference.

Conclusions: Use of our new (birth length and head circumference) and improved (birth weight) gender-specific hospital-based reference for fetal growth may help to define normal and abnormal growth in the neonatal population of Israel and thereby improve neonatal care and public health comparisons.
 

February 2005
U. Peleg, S. Schwartz, G. Sirota, I. Hochman, D. Cohen and E. Picard
November 1999
Nehama Linder MD, Lea Sirota MD, Amir Snapir MD, Irit Eisen MD, Nadav Davidovitch MD, Giora Kaplan MSc and Asher Barzilai MD

Background: Although the onset of fever in children often prompts parents to seek immediate treatment, the general level of parental knowledge on pediatric fever and administration of antipyretic medications is unknown. Parents without a basic understanding of treatment principles may give their children incorrect doses of medication. Overdosing may cause drug toxicity, while underdosing may lead to unnecessary, repeated clinic and/or emergency room visits.

Objectives: To assess parental decision-making with regard to treating fever in children, and its effectiveness, and to suggest methods for improving the level of treatment.

Methods: In this cross-sectional self-reported survey, questionnaires were completed by 650 parents who sought medical assistance for a child under the age of 10 years. Parents represented various socioeconomic levels, educational backgrounds and religious affiliations.

Results: Ninety-six percent of parents treated fevers that reached 38.5°C, and 77.6% treated fevers of only 38°C. Acetaminophen was the treatment of choice for 96% and dipyrone for 4%. Parental sources of information for managing and administering antipyretic drugs were medical personnel (40.7%), mother's or grandmother's experience (30%), and the enclosed leaflet or instructions on the bottle (29.3%). Forty-three percent of the parents administered the recommended dosage (10–20 mg/kg), whereas 24.3% used less and 32.7% used more; 11% exceeded a daily dosage of 120 mg/kg. 

Conclusions: A total of 57% of parents treated children with incorrect doses of antipyretic drugs. In 11% of the children treated, the daily dose was at a level that could cause severe toxicity. Parental knowledge of the treatment of fever must be improved.

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