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עמוד בית
Sat, 07.12.24

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November 2022
Yehonatan Sherf MD MPH, Dekel Avital MD, Shahar Geva Robinson MD, Natan Arotsker MD, Liat Waldman Radinsky MD, Efrat Chen Hendel MD MPH, Dana Braiman MD, Ahab Hayadri MD, Dikla Akselrod MD, Tal Schlaeffer-Yosef MD, Yasmeen Abu Fraiha MD, Ronen Toledano MD, Nimrod Maimon MD MHA

Background: Atrial fibrillation (AF) is the most prevalent cardiac arrhythmia. Previous studies showed that rhythm and rate control strategies are associated with similar rates of mortality and serious morbidity. Beta blockers (BB) and calcium channel blockers (CCB) are commonly used and the selection between these two medications depends on personal preference.

Objectives: To compare real-time capability of BB and CCB for the treatment of rapid AF and to estimate their efficacy in reducing hospitalization duration.

Methods: We conducted a retrospective cohort study of 306 patients hospitalized at Soroka Hospital during a 5-year period with new onset AF who were treated by a rate control strategy.

Results: A significant difference between the two groups regarding the time (in hours) until reaching a target heart rate below 100 beats/min was observed. BB were found to decrease the heart rate after 5 hours (range 4–14) vs. 8 hours (range 4–18) for CCB (P = 0.009). Patients diagnosed with new-onset AF exhibited shorter duration of hospitalization after therapy with BB compared to CCB (median 72 vs. 96 hours, P = 0.012) in the subgroup of patients discharged with persistent AF. There was no significant difference between CCB and BB regarding the duration of hospitalization (P = 0.4) in the total patient population.

Conclusions: BB therapy is more potent for rapid reduction of the heart rate compared to CCB and demonstrated better efficiency in shortening the duration of hospitalization in a subgroup of patients. This finding should be reevaluated in subsequent research.

November 2011
A. Mashal, A. Katz and P. Shvartzman

Background: Atrial fibrillation (AF) is the most common arrhythmia in adults and is associated with increased mortality and morbidity.

Objectives: To characterize patients diagnosed with AF in primary care clinics in southern Israel.

Methods: We conducted a cross-sectional study in 14 primary care clinics of the largest health insurance fund in Israel, reviewing the electronic medical records of adults aged ≥ 25 years diagnosed with AF. The prevalence, evaluation, antithrombotic treatment and treatments for rate control/rhythm control were analyzed.

Results: We retrieved the records of 995 patients with a diagnosis of AF; the prevalence of AF was 1.5% (2.5% aged ≥ 45 years). The patients’ mean age was 73.5 ± 1.4 years and 55.3% were female. Vitamin K antagonist (VKA) was prescribed for 591 patients (59%), of whom 8.5% had no international normalized ratio follow-up tests for at least 3 months before our review. Among patients in the VKA treatment group the risk for thromboembolic events was considered to be high, moderate and low in 22% (n=131), 66% (n=391) and 12% (n=69), respectively. Patients with a low Congestive Hypertension Age Diabetes Stroke (CHADS2) score (odds ratio = 0.555, 95% confidence interval 0.357–0.862) and patients who did not receive VKA (OR[1] = 0.601, 95% CI[2] 0.459–0.787) received significantly less rate-control treatment. Of the patients with a low CHADS2 score (< 1) 52.7% received VKA treatment, and 39.4% with a high CHADS2 score (≥ 3) did not receive VKA. A positive correlation between anticoagulation and rate or rhythm control was found.

Conclusions: The prevalence and age distribution of AF in southern Israel are similar to findings in the western world. Many of the patients did not receive appropriate antithrombotic prophylaxis.






[1] OR = odds ratio



[2] CI = confidence interval


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