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עמוד בית
Thu, 26.12.24

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January 2016
Haim Bassan MD, Shimrit Uliel-Sibony MD, Shlomit Katsav BSc, Mira Farber BSc and Riva Tauman MD

Background: It has been suggested that sleep disordered breathing (SDB) during pregnancy may adversely influence maternal as well as fetal well being.

Objectives: To examine the effect of maternal SDB on neonatal neurological examination and perinatal complications.

Methods: Pregnant women of singleton uncomplicated pregnancies were prospectively recruited from a community and hospital low risk obstetric surveillance. All participants completed a sleep questionnaire in the second trimester and underwent ambulatory sleep evaluation (WatchPAT, Itamar Medical, Caesarea, Israel). They were categorized as SDB (apnea hypopnea index > 5) and non-SDB. Maternal and newborn records were reviewed and a neonatal neurologic examination was conducted during the first 48 hours. 

Results: The study group included 44 women and full-term infants; 11 of the women (25%) had SDB. Mean maternal age of the SDB and non-SDB groups was 32.3 ± 2.8 and 32.5 ± 4.7 years, respectively (P = 0.86). Mean body mass index before the pregnancy in the SDB and non-SDB groups was 25.8 ± 4.7 and 22.0 ± 2.5 kg/m2, respectively (P = 0.028). No differences were found between infants born to mothers with SDB and non-SDB in birth weight (3353.8 ± 284.8 vs. 3379.1 ± 492.4 g), gestational age (39.5 ± 0.9 vs. 39.2 ± 1.5 weeks), 5 minute Apgar scores (9.8 ± 0.6 vs. 9.9 ± 0.3), and neurologic examination scores (95.2 ± 3.9 vs. 94.6 ± 4.1). P value for all was not significant. 

Conclusions: Our preliminary results suggest that maternal mild SDB during pregnancy has no adverse effect on neonatal neurologic examination or on perinatal complications. 

 

December 2015
Delfino Legnani MD, Maurizio Rizzi MD, Piercarlo Sarzi-Puttini MD, Andrea Cristiano MD, Tiziana La Spina MD, Francesca Frassanito MD, Airoldi Andrea MD and Fabiola Atzeni MD
 

Background: Interstitial lung involvement is common and potentially limits the quality of life in patients with systemic limited sclerosis (SScl). 


Objectives: To study the lung carbon monoxide diffusion (DLCO) measured during effort in order to identify a possible subclinical impairment.


Methods: We enrolled 20 SScl patients without interstitial lung involement and 20 healthy controls. At enrolment all subjetcs underwent plethysmography, DLCO by single-breath technique and evaluation of pulmonary blood flow (Qc) with the rebreathing CO2 method. Skin involvement in the SScl patients was rated using the modified Rodman skin score (mRSS). During exercise on a cycle ergometer, DLCO, DLCO/alveolar volume (Kco) and Qc were calculated at 25% and 50% of predicted maximum workload (25% pmw and 50% pmw).


Results: At baseline two groups did not differ in age, body mass index, lung function and Qc. In the controls, DLCO, Kco and DLCO/Qc measured at 25% pmw and 50% pmw were significantly higher than in SScl patients, while Qc was not different. Based on response to effort, SScl patients were divided into two groups: responders, with an increase of DLCO25%pmw and DLCO50%pmw at least 5% and 10% respectively, and non-responders. The non-responders showed greater skin involvement and significantly reduced DLCO, Kco and DLCO/Qc values at rest than responders.


Conclusions: Moderate effort in SScl patients may reveal a latent impairment in gas diffusion through the alveolar/capillary membrane, thus confirmig that exertional DLCO can identify lung damage at an earlier stage than DLCO at rest. 


 
November 2015
Zaher Bahouth MD, Rani Zreik MD, Assaf Graif MD, Ofer Nativ MD, Sarel Halachmi MD and Giora Pillar MD

Background: Erectile dysfunction (ED), a common problem in males of all ages, can be of organic, psychogenic or combined etiology. Organic ED is mainly caused by vascular and neurological disorders. One of the available tests for differentiating organic from inorganic ED is measuring penile tumescence and rigidity during the REM phase of sleep. However, this test lacks the ability to differentiate between a vascular and non-vascular cause of organic ED. 

Objectives: To compare the results of the EndoPAT test and the nocturnal penile tumescence (NPT) test in patients with erectile dysfunction.

Methods: Twenty patients with ED were recruited for the study. Each participant was evaluated by the SHIM score, RigiScan during polysomnography, and two EndoPAT tests (at the beginning and end of the study).

Results: Seventeen patients had SHIM score ≤ 21; 4 of them had organic ED with a mean EndoPAT score of 1.49, significantly lower than the 1.93 mean EndoPAT score of the 11 patients in the psychogenic ED group (P = 0.047). Two participants had a neurological impairment (spinal trauma and herniated disk). The average SHIM score in the vascular organic group was 6.25 points as compared to 11.69 for the psychogenic group (P = 0.027). The positive predictive value was 43% and the negative predictive value 90%.

Conclusions: EndoPAT could be helpful in excluding organic ED.

 

July 2015
Einat Fireman-Klein MD, Avraham Man MD, Yehuda Schwartz MD and Elizabeth Fireman PhD

Background: Determining the accuracy of interferon gamma-releasing assays (IGRAs) is difficult due to the lack of a gold standard test for diagnosing latent tuberculosis (LTB). 

Objectives: To analyze the guidelines used for interpreting IGRAs in determining prophylactic treatment management for latent tuberculosis (LTB) in Israel.

Methods: We analyzed the retrospective data of 367 subjects who were referred to our laboratory during the period 2007–2011 for QuantiFERON Test-Gold In Tube (QFT-GIT) tests because of suspected LTB. Demographics and clinical data were retrieved from a questionnaire at enrollment, and 166/367 (45%) were further interviewed by phone in order to complete follow-up information on prophylactic TB treatment. 

Results: The majority of subjects (116/166, 69.9%, P < 0.0001) were spared prophylactic treatment subsequent to QFT-GIT testing. Subjects with negative QFT-GIT and positive tuberculin skin test (TST) results who were BCG-vaccinated had the lowest treatment rates (6/68, 8.8%, P < 0.0001). Most BCG-vaccinated subjects with positive TST and negative QFT-GIT test results received treatment with anti-tumor necrosis factor-alpha (TNFα) (17/19, 89.5%, P = 0.004). We found more negative QFT-GIT test results in subjects who were receiving anti-TNFα or steroid and other immunosuppressive treatment prior to testing (11/11, 100%, P = 0.029; 22/26, 84.6%, P = 0.06; 15/17, 88%, P = 0.06, respectively). 

Conclusions: Deciding on LTB prophylactic treatment in Israel is highly influenced by QFT-GIT test results. QFT-GIT findings contribute to clinical decisions, but their interpretation must also consider the patient’s medical history and clinical characteristics. 

 

June 2015
Jochanan Benbassat MD

This paper summarizes the difficulties that may emerge when the same care-provider attends to private and public patients within the same or different clinical settings. First, I argue that blurring the boundaries between public and private care may start a slippery slope leading to “black” under-the-table payments for preferential patient care. Second, I question whether public hospitals that allow their doctors to attend to private patients provide an appropriate learning environment for medical students and residents. Finally, I propose a way to both maintain the advantages of private care and avoid its negative consequences: complete separation between the public and the private health care systems.

 

Gabriel Greenberg MD, Tamir Bental MD, Eli I. Lev MD, Abid Assali MD, Hanna Vaknin-Assa, MD and Ran Kornowski MD

Background: Several trials support the trans-radial route of percutaneous coronary intervention (PCI) since it reduces access site vascular complications and bleeding. 

Objectives: To examine the effects of trans-radial interventions (TRI) on clinical outcomes in a 'real world' cohort of patients undergoing PCI.

Methods: We analyzed 4873 consecutive patients who underwent PCI at a tertiary center and identified 373 patients who underwent TRI. Patients (radial vs. femoral) were compared using a propensity score analysis to best match between groups. Outcome parameters included total mortality, myocardial infarction (MI), repeat target vessel revascularization (TVR) rates, length of hospitalization and ∆Ht/Hb/creatinine values during hospitalization. These were evaluated at 6 months and 1 to 3 years after PCI.

Results: The rates of major adverse cardiovascular event (MACE) and its constituents were similar in the trans-radial vs. trans-femoral groups at all time intervals: 6.7% vs. 5.5% at 6 months, 10.3% vs. 10% at 1 year, 15.7% vs. 15% at 2 years, 15.7% vs. 16% at 3 years, respectively (P = 0.6). The length of hospitalization was shorter in the TRI group (2.87 days ± 2.04 vs. 3.3 days ± 3.12, P = 0.023). We did not find significant differences between the groups in the mean ∆Ht/Hb/creatinine values during the hospitalization course.

Conclusions: In a 'real-world' setting of PCI, the TRI route of PCI is as safe and efficient as the femoral approach. TRI is associated with shorter duration of hospitalization.

 

April 2015
Vered Schichter-Konfino MD, Katalin Halasz, Galia Grushko, Ayelet Snir PhD, Tharwat Haj PhD, Zahava Vadasz MD PhD, Aharon Kessel MD, Israel Potasman MD and Elias Toubi MD

Abstract

Background: The mass influx of immigrants from tuberculosis-endemic countries into Israel was followed by a considerable increase in the incidence of tuberculosis (TB). All contacts of active TB patients are obliged to be screened by tuberculin skin tests (TST) and, if found positive, prophylactic treatment is considered.

Objectives: To assess the utility of interferon-gamma (IFNγ)-release assay with a prolonged follow-up in preventing unnecessary anti-TB therapy in individuals with suspected false positive results.

Methods: Between 2008 and 2012 the QuantiFERON TB gold-in-tube test (QFT-G) was performed in 278 sequential individuals who were mostly TST-positive and/or were in contact with an active TB patient. In all, whole blood was examined by the IFNγ-release assay. We correlated the TST diameter with the QFT-G assay and followed those patients with a negative assay.

Results: The QFT-G test was positive in only 72 (42%) of all 171 TST-positive individuals. There was no correlation between the diameter of TST and QFT-G positivity. Follow-up over 5 years was available in 128 (62%) of all QFT-G-negative individuals. All remained well and none developed active TB.

Conclusions: A negative QFT-G test may obviate the need for anti-TB therapy in more than half of those with a positive TST.

August 2014
Reuben Baumal MD, Jochanan Benbassat MD and Julie A.D. Van
"Clinician-scientists" is an all-inclusive term for board-certified specialists who engage in patient care and laboratory-based (biomedical) research, patient-based (clinical) research, or population-based (epidemiological) research. In recent years, the number of medical graduates who choose to combine patient care and research has declined, generating concerns about the future of medical research. This paper reviews: a) the various current categories of clinician-scientists, b) the reasons proposed for the declining number of medical graduates who opt for a career as clinician-scientists, c) the various interventions aimed at reversing this trend, and d) the projections for the future role of clinician-scientists. Efforts to encourage students to combine patient care and research include providing financial and institutional support, and reducing the duration of the training of clinician-scientists. However, recent advances in clinical and biomedical knowledge have increased the difficulties in maintaining the dual role of care-providers and scientists. It was therefore suggested that rather than expecting clinician-scientists to compete with full-time clinicians in providing patient care, and with full-time investigators in performing research, clinician-scientists will increasingly assume the role of leading/coordinating interdisciplinary teams. Such teams would focus either on patient-based research or on the clinical, biomedical and epidemiological aspects of specific clinical disorders, such as hypertension and diabetes.
June 2014
Nadav Michaan MD, Yaron Gil MD, Sagi Amzalag MD, Ido Laskov MD, Joseph Lessing MD and Ariel Many MD

Background: A growing number of Eritrean and Sudanese refugees seek medical assistance in the labor and delivery ward of our facility. Providing treatment to this unique population is challenging since communication is limited and pregnancy follow-up is usually absent.

Objectives: To compare the perinatal outcome of refugees and Israeli parturients.

Methods: The medical and financial records of all refugees delivered between May 2010 and April 2011 were reviewed. Perinatal outcome was compared to that of native Israeli controls.

Results: During this period 254 refugees were delivered (2.3% of deliveries). Refugees were significantly younger and leaner. They had significantly more premature deliveries under 37 weeks (23 vs. 10, P = 0.029) and under 34 weeks gestation (9 vs. 2, P = 0.036) with more admissions to the neonatal intensive care unit (15 vs. 5, P = 0.038). Overall cesarean section rate was similar but refugees required significantly more urgent surgeries (97% vs. 53%, P = 0.0001). Refugees had significantly more cases of meconium and episiotomies but fewer cases of epidural analgesia. There were 2 intrauterine fetal deaths among refugees, compared to 13 of 11,239 deliveries during this time period (P = 0.036), as well as 7 pregnancy terminations following sexual assault during their escape. Sixty-eight percent of refugees had medical fees outstanding with a total debt of 2,656,000 shekels (US$ 767,250).

Conclusions: The phenomenon of African refugees giving birth in our center is of unprecedented magnitude and bears significant medical and ethical implications. Refugees proved susceptible to adverse perinatal outcomes compared to their Israeli counterparts. Setting a pregnancy follow-up plan could, in the long run, prevent adverse outcomes and reduce costs involved in treating this population.

May 2014
Cassandra Ocampo MD, Molebedi L. Segwagwe MB ChB MRCP, Julian Deonarain MB ChB FCPath, Francesca Cainelli MD and Sandro Vento MD
April 2014
George M. Weisz MD FRACS MA and William R. Albury BA PhD
 Reinhard Heydrich, architect of the “Final solution of the Jewish problem,” had a meteoric career in the SS. He organized the Wannsee Conference and created the SS killing squads. Under his leadership as Reich Protector of Bohemia and Moravia, the suppression of the Czech community was brutal. An attempt on his life in Prague was unsuccessful but it left him severely injured and he died eight days later. Reviewing the available information on his hospital treatment and the autopsy report, it is suggested that Heydrich received substandard medical treatment, quite likely a result of political interference from rival members of the SS hierarchy.

December 2013
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