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עמוד בית
Sun, 03.03.24

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October 2022
Amir Shabtay MD, Ziv Rivak MD, Elena Schleffer MD, Leonid Barski MD
October 2019
Boris Shvarts MD and Leonid Barski MD
December 2018
Tzvika Porges MD, Tali Shafat MD, Iftach Sagy MD, Lior Zeller MD, Carmi Bartal MD, Tamara Khutarniuk MD, Alan Jotkowitz MD and Leonid Barski MD

Background: Erythema nodosum (EN) is the most common type of panniculitis, commonly secondary to infectious diseases.

Objectives: To elucidate the causative factors and the clinical presentation of patients with EN (2004–2014) and to compare their data to those reported in a previous study.

Methods: A retrospective study was conducted of all patients diagnosed with EN who were hospitalized at Soroka University Medical Center (2004–2014). The clinical, demographic, and laboratory characteristics of the patients were compared to those in a cohort of patients diagnosed with EN from 1973–1982.

Results: The study comprised 45 patients with a diagnosis of EN. The most common symptoms of patients hospitalized with EN were arthritis or arthralgia (27% of patients). Patients with EN, compared to those reported in 1987, has significantly lower rates of fever (18% vs. 62% P < 0.001), streptococcal infection (16% vs. 44%, P = 0.003), and joint involvement (27% vs. 66%, P < 0.001). In addition, fewer patients had idiopathic causes of EN (9% vs. 32%, P = 0.006).

Conclusions: In the past decades, clinical, epidemiological, and etiological changes have occurred in EN patients. The lowering in rate of fever, streptococcal infection, and joint involvement in patients with EN are probably explained by improvements in socioeconomic conditions. The significantly decreasing rate of idiopathic causes of EN is possibly due to the greater diagnostic accuracy of modern medicine. The results of the present study demonstrate the impact of improvements in socioeconomic conditions and access to healthcare on disease presentation.

April 2015
Lior Zeller MD, Leonid Barski MD, Elena Shleyfer MD, Uri Netz MD, Vered Stavi MD and Mahmoud Abu-Shakra MD
June 2012
P. Codner, R. Nevzorov, J. Kusniec, M. Haim, R. Zabarski and B. Strasberg

Background: Defibrillation threshold (DFT) testing at the time of implantable cardioverter defibrillator (ICD) insertion is performed routinely. Recently this practice is being reconsidered due to doubts about its ability to improve ICD efficacy and evidence that survival may not be affected by the test.

Objectives: To compare the outcome of ICD recipients who underwent DFT testing and those in whom no testing was performed.

Methods: A total of 213 eligible patients were implanted with an ICD between 2004 and 2009. DFT testing was performed in 80. We compared total mortality, appropriate and inappropriate ICD shocks, and anti-tachycardia pacing (ATP) events between DFT and non-DFT patients during a follow-up of 2 years.

Results: On comparing the DFT and non-DFT groups, we found a 2 year mortality rate of 7.5% versus 8.3%, respectively (P = 0.8). Furthermore, 20.7% of patients in the DFT group and 12.4% in the non-DFT group had at least one episode of ICD shock (P = 0.15). With regard to ICD treatment (ICD shocks or ATP events), 57.7% in the DFT group and 64.2% in the non-DFT group received appropriate treatments (P = 0.78).

Conclusions: No significant differences in the incidence of 2 year mortality or percentage of ICD treatment emerged between the DFT and non-DFT groups.

L. Barski, L. Shalev, M. Zektser, H. Malada-Mazri, D. Abramov and Y. Rafaely

Background: Establishing the etiology of a large pericardial effusion is of crucial importance since it is likely the result of a serious underlying disease. However, there is a paucity of literature on the diagnostic management of patients with large hemorrhagic effusions.

Objectives: To analyze the management of patients with large hemorrhagic pericardial effusion.

Methods: We reviewed seven cases of large hemorrhagic pericardial effusions hospitalized in Soroka University Medical Center in 2010.

Results: All seven patients underwent a comprehensive evaluation followed by pericardiocentesis. Six of the seven cases demonstrated echocardiographic signs of tamponade. Large amounts of hemorrhagic pericardial effusion (> 600 ml) were aspirated from each patient. A pericardial window was performed in two of the seven patients. The causes for the hemorrhagic effusions were malignancy, streptococcal infection, familial Mediterranean fever exacerbation, and idiopathic. Four patients completely recovered. The condition of one patient improved after initiation of chemotherapy for lung cancer, and two patients with progressive malignancies passed away shortly after discharge. Two cases of massive pulmonary embolism were diagnosed which resolved spontaneously without anticoagulation therapy after the effusion was treated.

Conclusions: All cases of pericardial effusion resolved after rapid diagnosis and initiation of specific treatment. Pulmonary embolism in situ may be a complication of large pericardial effusions that does not require anticoagulation treatment after the effusion resolves.

May 2012
L. Barski, R. Nevzorov, E. Rabaev, A.B. Jotkowitz, I. Harman-Boehm, M. Zektser, L. Zeller, E. Shleyfer and Y. Almog

Background: Diabetic ketoacidosis (DKA) is a common and serious complication of diabetes mellitus (DM).

Objectives: To evaluate the clinical characteristics, hospital management and outcomes of patients with DKA.

Methods: We performed a retrospective cohort study of patients hospitalized with DKA during the period 1 January 2003 to 1 January 2010. Three groups were compared: patients with mild DKA, with moderate DKA, and with severe DKA. The primary outcome was in-hospital all-cause mortality. The secondary outcomes were 30 days all-cause mortality, length of hospital stay, and complication rate.

Results: The study population comprised 220 patients with DKA. In the mild (78 patients) and moderate (116 patients) groups there was a higher proportion of patients with type 1 DM (75.6%, 79.3%) compared with 57.7% in the severe group (26 patients, P = 0.08). HbA1C levels prior to admission were high in all three groups, without significant difference (10.9 ± 2.2, 10.7 ± 1.9, and 10.6 ± 2.4 respectively, P = 0.9). In all groups the most frequent precipitating factors were related to insulin therapy and infections. The patients with severe DKA had more electrolyte abnormalities (hypokalemia, hypomagnesemia, hypophosphatemia) compared with the mild and moderate forms of the disease. While 72.7% of the entire cohort was hospitalized in the general medical ward, 80.8% of those with severe DKA were admitted to the intensive care unit. The in-hospital mortality rate for the entire cohort was 4.1%, comparable with previous data from experienced centers. Advanced age, mechanical ventilation and bedridden state were independent predictors associated with 30 day mortality: hazard ratio (HR) 1.1, 95% confidence interval (CI) 1.02–1.11; HR 6.8, 95% CI 2.03–23.1; and HR 3.8, 95% CI 1.13–12.7, respectively.

Conclusions: Patients with DKA in our study were generally poorly controlled prior to their admission, as reflected by high HbA1c levels. Type 2 DM is frequently associated with DKA including the severe form of the disease. The most common precipitating factors for the development of DKA were related to insulin therapy and infections. Advanced age, mechanical ventilation and bedridden state were independent predictors of 30 day mortality.

August 2010
R. Nevzorov, E. Shleyfer, A. Gourevitch, A. Jotkowitz, A. Porath and L. Barski
July 2010
L. Barski, R. Nevzorov, J. Horowitz and S. Horowitz

Background: Clinical and epidemiologic features of coronary heart disease may not be explained solely by established risk factors. The role of infectious pathogens in the development and rupture of atherosclerotic plaques remains elusive but an association between Chlamydia pneumoniae, Mycoplasma pneumoniae and CHD[1] has been previously reported

Objectives: To determine whether there is an association between mycoplasmal infections and CHD.

Methods: We conducted a prospective cohort analysis of 150 consecutive hospitalized patients with CHD (85 with acute coronary syndrome and 65 admitted for unrelated reasons) and 98 healthy blood donors. Antibody titers for Mycoplasma pneumoniae, M. fermentans, M. hominis and Ureaplasma urealyticum were measured with the agglutination test or specific enzyme-linked immunosorbent assay in all three groups of patients.

Results: Analysis of the antibody titers did not reveal any significant difference in the presence of mycoplasmal antibodies between the patients with ACS[2], patients with known stable CHD hospitalized for non-CHD reasons, and healthy blood donors.

Conclusions: Determination of specific antibodies did not reveal a significant association among different types of mycoplasmal infection and CHD.

[1] CHD = coronary heart disease

[2] ACS = acute coronary syndrome

September 2009
Leonid Barski MD1, Roman Nevzorov MD1, Alan Jotkowitz MD1, Elena Shleyfer MD1 and Yair Liel MD2
September 2008
L. Barski, S. Horowitz, E. Rabaev, A. Sidi, A. Porath and A. B Jotkowitz
May 2008
L. Barski, E. Rabaev, I. Sztarkier, J. Delgado, A. Porath, and A. B. Jotkowitz
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