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עמוד בית
Tue, 26.11.24

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March 2008
I. Amirav and M.T. Newhouse

Background: Valved holding chambers with masks are commonly used to deliver inhaled medications to young children with asthma. Optimal mask properties such as their dead space volume have received little attention. The smaller the mask the more likely it is that a greater proportion of the dose in the VHC[1] will be inhaled with each breath, thus speeding VHC emptying and improving overall aerosol delivery efficiency and dose. Masks may have different DSV[2] and thus different performance.

Objectives: To compare both physical dead space and functional dead space of different face masks under various applied pressures.

Methods: The DSV of three commonly used face masks of VHCs was measured by water displacement both under various pressures (to simulate real-life application, dynamic DSV) and under no pressure (static DSV).

Results: There was a great variability of both static and dynamic dead space among various face mask for VHCs, which is probably related to their flexibility.

Conclusions: Different masks have different DSV characteristics. This variability should be taken into account when comparing the clinical efficacy of various VHCs. 

 






[1] VHC = valved holding chambers

[2] DSV = dead space volume


January 2008
G. Markel, M. Imazio, A. Brucato and Y. Adler


The most troublesome complication of acute pericarditis is recurrent episodes of pericardial inflammation, which occur in 15–32% of cases. It was recently found that viral infection has a major role, but in many cases the cause is unknown. The optimal method for prevention has not been fully established; accepted modalities include non-steroidal anti-inflammatory drugs, corticosteroids, immunosuppressive agents, and pericardiectomy. Based on the proven efficacy of colchicine in familial Mediterranean fever, several small and large-scale international clinical trials have shown the beneficial effect of colchicine therapy in preventing recurrent pericarditis. Indeed, colchicines-treated patients consistently display significantly fewer recurrences, longer symptom-free periods, and even when attacks occur they are weaker and shorter in nature. It was also found that pretreatment with corticosteroids substantially attenuates the efficacy of colchicine, as evidenced by significantly more recurrences and longer therapy periods. Colchicine is a safe and effective modality for the treatment and prevention of recurrent pericarditis, especially as an adjunct to other modalities, since it provides a sustained benefit superior to all current modalities. The safety profile seems superior to other drugs such as corticosteroids and immunosuppressive drugs.

November 2007
J. Meyerovitch, R. Goldman, H. Avner-Cohen, F. Antebi and M. Sherf

Background: The prevalence of obesity among children and adolescents in the western world has increased dramatically.

Objective: To assess the efficiency of routine childhood obesity screening by primary physicians in the pediatric population in Israel and the utilization of health services by overweight children.

Methods: The electronic medical records of children aged 60–83 months registered in 39 pediatric primary care centers between January 2001 and October 2004 (n=21,799) were reviewed. Those in whom height and weight were documented during a clinic visit (index visit) were classified as overweight, at risk of overweight, and normal weight by body mass index percentiles. The number of visits to the pediatrician, laboratory tests and health care costs 12 months after the index visit were calculated.

Results: Anthropomorphic measurements were performed in 1556 of the 15,364 children (10.1%) who visited the clinic during the study period. Of these, 398 (25.6%) were overweight, 185 (11.9%) were at risk of overweight, and 973 (62.5%) were normal weight. Children in the first two groups visited the clinic slightly more often than the third group, but the differences was not statistically significant (P = 0.12), and had significantly more laboratory tests than the rest of the children visiting the clinics (P = 0.053). Health care costs were 6.6% higher for the overweight than the normal-weight children.

Conclusions: Electronic medical records are a useful tool for population-based health care assessments. Current screening for obesity in children during routine care in Israel is insufficient and additional education of community pediatricians in diagnosis and intervention is urgently needed.

 
 

Y. Segev, O. Lavie, Y. Goldberg, Y. Kaufman, G. Peer, S. Gips, D. Eizenberg and R. Auslander
September 2007
K. Thomas, J. Yaphe and A. Matalon

Background: Smoking continues to be the most significant preventable  cause of morbidity and early mortality in the developed world. Primary care physicians are not fufilling their potentially vital and effective role regarding tobacco use and dependence.

Objectives: To evaluate current primary care physician practise in promoting smoking cessation.

Methods: This observational study evaluated physician recording of smoking status by analysis of patients’ electronic medical records. The 126 primary care physicians were based in 23 Tel Aviv clinics treating 144, 811 patients. We also assessed additional physician anti-smoking activities by telephone questionnaire of 178 randomly selected patients.

Results: Analysis of the EMRs[1] revealed that an average of 4.4% of patients per physician were recorded as smokers (as compared to a known smoking rate in this patient population of 24%). Male physicians recorded a significantly higher proportion of their patients as smokers in the EMR compared to female physicians (P < 0.05). A non-significantly higher rate of recording smokers was found in doctors who had completed postgraduate specialization in family medicine as compared to non-specialists. The questionnaire results show that 41% of patients interviewed recalled being asked if they smoked and 31% of smoking patients had been advised to quit. A non-significantly higher proportion of male as compared to female patients reported being questioned if they smoked, and if they were smokers, being advised to quit.

Conclusions: This study shows low rates of physician intervention to promote smoking cessation. It appears that a large proportion of the primary care physicians surveyed do not follow recommendations to promote smoking cessation among their patients. Intervention among adolesent smokers was particularly inadequate. Further action is needed to improve the performance of physicians in aiding smoking cessation.






[1] EMR = electronic medical record


June 2007
H. Tandeter, I. Masandilov, I. Kemerly, A. Biderman

Background: Studies have found ethno-cultural disparities in health care delivery in different countries. Minority populations may receive lower standards of care.

Objectives: To test a hypothesis that Jewish Ethiopian women may be receiving less preventive recommendations than other women in Israel.

Methods: A telephone survey was conducted using a structured questionnaire designed specifically for this study in Hebrew, Russian and Amharic (Semitic language of Ethiopia). The study group included 51 post-menopausal women of Ethiopian origin, aged 50–75. The control group included 226 non-Ethiopians matched by age, some of whom were immigrants from the former Soviet Union. The questionnaire dealt with osteoporosis and breast cancer screening and prevention.

Results: All the parameters measured showed that the general population received more preventive treatment than did Jewish Ethiopian women, including manual breast examination, mammography, osteoporosis prevention, bone density scans, and recommendations for a calcium-rich diet, calcium supplementation, hormone replacement therapy, biphosphonates and raloxifen. On a logistic regression model the level of knowledge of the Hebrew language, age, ethnicity and not visiting the gynecologist were significantly related to not having received any preventive medicine recommendations.
Conclusions: Differences in cultural backgrounds and language between physicians and their patients may become barriers in the performance of screening and preventive medicine. Recognizing this potential for inequity and using methods to overcome these barriers may prevent it in the future

December 2006
O. Bairey, R. Ruchlemer and O. Shpilberg

Background: Non-Hodgkin’s lymphoma of the colon is a rare and consequently poorly studied extranodal lymphoma. Most of the previous publications used old pathologic classifications and old diagnostic and treatment approaches.

Objective: To examine the clinical presentation, pathologic classification, treatment and outcome of patients with NHL[1] of the colon.


Methods: A retrospective study was performed of all patients with NHL and involvement of the colon in two medical centers. The patient group consisted of 17 patients over a 13 year period.


Results: Fourteen patients had primary involvement and 3 secondary. The ileocecal region and cecum were the most frequent sites of involvement, occurring in 76% of patients. Most patients had bulky disease: three had a diameter > 5 cm and eight a diameter > 10 cm. Aggressive histology was found in 12 patients: diffuse large B cell lymphoma in 11 and peripheral T cell lymphoma in 1. Three patients had mantle cell lymphoma and two had indolent lymphomas: mucosa-associated lymphoid tissue (n=1) and small lymphocytic (n=1). Eleven patients underwent hemicolectomy: right sided in 9 and left sided in 2, and 5 DLBCL[2] patients required emergency surgery for intestinal perforation. The median overall survival was 44 months (range 1–147). Disease stage influenced prognosis; six of seven patients with limited-stage DLBCL who received aggressive chemotherapy achieved complete remission and enjoyed prolonged survival, whereas patients with aggressive disseminated disease had resistant disease and poor survival (median 8 months).


Conclusions: Most colonic lymphomas are aggressive B cell lymphomas. Diagnosis is often delayed. Early diagnosis may prevent perforation. Those with limited-stage disease when treated with aggressive chemotherapy may enjoy prolonged survival. 

The role of elective hemicolectomy to prevent perforation should be examined in prospective trials.




[1] NHL = non-Hodgkin's lymphoma

[2] DLBCL = diffuse large B cell lymphoma  

November 2006
October 2006
T. Cohen, Y. Krausz, A. Nissan, D. Ben-Yehuda, M. Klein and H.R. Freund
September 2006
R. Elazary, M. Bala, G. Almogy, A. Khalaileh, D. Kisselgoff, M. Rav-Acha, A.I. Rivkind and Y Mintz
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