• Majdi Halabi, Hagar Drimer-Shabtai, Inna Rosenfeld, Adi Sharabi-Nov, Mussa Saad, Ibrahim Marai, Ziad Abuiznait, Ayelet Armon-Omer, Zippi Regev-Avraham, and Zeev Israeli.
• Isr Med Assoc J. 2023 Jun 1; 25 (6): 426429426-429.

BackgroundImplantable loop recorders (ILRs) are a central tool in the evaluation of unexplained syncope. These devices record and store electrocardiograms, both automatically and on patient-dependent activation. Therefore, obtaining optimal diagnostic results relies on a patient's comprehension and collaboration.ObjectivesTo evaluate the effect of ethnic background and mother-tongue language on the diagnostic yield (DY) of ILRs.MethodsPatients at two medical centers in Israel, who had ILRs as part of syncope workup were included. Inclusion criteria were age over 18 years and an ILR for at least one year (or less if the cause of syncope was detected). Patient demographics, ethnic background, and previous medical history were recorded. All findings from ILR recordings, activation mode (manual vs. automatic), and treatment decisions (none, ablation, device implantation) were collected.ResultsThe study comprised 94 patients, 62 Jews (i.e., ethnic majority) and 32 non-Jews (i.e., ethnic minority). While baseline demographic characteristics, medical history, and drug therapy were similar in both groups, Jewish patients were significantly older at the time of device implantation: 64.3 ± 16.0 years of age vs. 50.6 ± 16.9, respectively; (P < 0.001). Arrhythmias recorded in both groups as well as treatment decisions and device activation mode were similar. Total follow-up time from device implantation was longer in the non-Jewish vs. the Jewish group (17.5 ± 12.2 vs. 24.0 ± 12.4 months, respectively; P < 0.017).ConclusionsThe DY of ILR implanted for unexplained syncope did not seem to be influenced by patient's mother-tongue language or ethnicity.

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