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עמוד בית
Mon, 04.11.24

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October 2005
S. Yust-Katz, M. Katz-Leurer, L. Katz, Y. Lerman, K. Slutzki and A. Ohry.
 Background: Population structures are changing across the western world, with particularly rapid growth in the number of very old people. Life expectancy has been increasing gradually over years, resulting in a larger subpopulation of people aged 90 and over.

Objectives: To describe the sociodemographic, medical and functional characteristics of people aged 80–90 and 90+ who were admitted to a sub-acute geriatric hospital and to compare the hospitalization outcomes between these subgroups.

Methods: We compared the demographic and clinical data (extracted by means of chart review) of two groups of elderly who were admitted to the Reuth Medical Center during 2001–2002: those aged 90+ and those 80–89. Among survivors, the main outcome measures at discharge were mortality rate, functional ability, and place of residence.

Results: The study included 108 patients who were admitted to different divisions of Reuth: 55 patients aged 90+ and 53 aged 80–90. The mortality rate was significantly elevated in the older age group (49.1% vs. 28.1% in the younger age group) on multivariate analysis. The most important prognostic factors for mortality were incontinence (odds ratio 3.45) and being dependent before admission (OR[1] 4.76). Among survivors an association was found between being incontinent and dependent before hospitalization, and being dependent on discharge.

Conclusions: The main prognostic factors for mortality and functional outcome in patients admitted to a non-acute geriatric hospital are incontinence and functional state prior to admission, and not age per se.

___________

[1] OR = odds ratio

June 2005
R. Krakover, A. Blatt, A. Hendler, I. Zisman, M. Reicher, J. Gurevich, E. Peleg, Z. Vered and E. Kaluski
 Background: Coronary sinus is a venous conduit with dynamic and unclear function with regard to coronary circulation.  

Objectives: To describe the dynamic changes of the coronary sinus during the cardiac cycle.

Methods: The angiographic feature of the coronary sinus was evaluated in 30 patients undergoing diagnostic and therapeutic coronary angiography.

Results: Prolonged angiographic imaging following coronary injections permitted accurate demonstration of the coronary sinus in all 30 patients. We report, for the first time, that the coronary sinus can be divided into two angiographic functional/anatomic portions, upper and lower. The lower part is prone to a highly dynamic contraction/relaxation pattern, observed in 12 of the 30 patients, while 10 patients had normal and 8 had low contractile pattern on angiography. Clinical assessment of these patients did not identify an association with this motion pattern.

Conclusions: The coronary sinus is an important anatomic/functional structure that should be further investigated in patients with various forms of heart disease.

December 2004
E. Magen, R. Viskoper, J. Mishal, R. Priluk, A. Berezovsky, A. Laszt, D. London and C. Yosefy

Background: Hypertension is considered resistant if blood pressure cannot be reduced to <140/90 mmHg with an appropriate triple-drug regimen, including an oral diuretic, with all agents administered at maximal dosages. This definition has evolved with the development of new therapies and evidence-based data supporting treatment to lower BP[1] goals.

Objective: To assess whether vitamin C and atorvastatin improve endothelial function and blood pressure control in subjects with resistant arterial hypertension and dyslipidemia.

Methods: Forty-eight hyperlipidemic subjects with RH[2] (office systolic BP >140 mmHg and/or office diastolic BP >90 mm/Hg notwithstanding antihypertensive treatment with three medications in maximal doses) were randomized into three groups to receive additional medication for 8 weeks. Group VTC (n = 17) – mean 24 hour SBP[3] 150.6 ± 5.2 mmHg, DBP[4] 86.1 ± 3.3 mmHg, low density lipoprotein 158.1 ± 24.5 mg/dl) – received vitamin C 500 mg per day; Group ATR (n = 15) – mean 24 hour SBP 153.1 ± 4.8 mmHg, DBP 87.1 ± 6.7 mmHg, LDL[5] 162.6 ± 13.6 mg/dl) – received atorvastatin 20 mg/day; and Group PLA (n = 16) – mean 24 hour SBP 151.1 ± 7.4 mmHg, DBP 84.8 ± 5.9 mmHg, LDL 156.7 ± 26.1 mg/dl – received a placebo. High resolution ultrasound was used to calculate brachial artery flow-mediated dilation, and 24 hour ambulatory BP monitoring was performed at study entry and after 8 weeks.

Results: In the ATR group there were significant reductions of SBP (DSBP1-2: 13.7 ± 5.6 mmHg, P < 0.001), DBP (DDBP1-2: 7.8 ± 5.7 mmHg, P < 0.01), LDL (DLDL1-2: 67.7 ± 28.3 mg/dl, P < 0.001) and improvement of brachial artery FMD[6] (DFMD2-1: 4.2 ± 2.6%). No significant changes in BP, LDL and FMD were observed in the other two groups.

Conclusions: In subjects with RH and dyslipidemia, atorvastatin 20 mg/day compared to vitamin C 500 mg/day may help to achieve better BP control and improve endothelial function in a finite period. A larger trial is needed to assess the drug's efficacy in this population for longer periods.






[1] BP = blood pressure

[2] RH = resistant arterial hypertension

[3] SBP = systolic BP

[4] DBP = diastolic BP

[5] LDL = low density lipoprotein

[6] FMD = flow-mediated dilation


July 2004
N. Harries, M. Kassirer, T. Amichai and E. Lahat

Background: In the developing child the nervous system undergoes a maturation process. The development and organization of any motor ability is the naturally adopted preference among the possibilities and constraints. The motor behavior of children with cerebral palsy is a personal automatic preference based on such constraints. One of the clinical measures designed for measuring the function of children with CP[1] is the Gross Motor Function Measure. Motor development curves for children with CP have been established based on the GMFM[2] instrument and Gross Motor Function Classification System.

Objectives: To examine the change over time in gross motor function for children with CP attending a special education school for handicapped children in Israel.

Method: We conducted a retrospective review of the medical records of children at various ages and with varying degrees of severity who were being treated by a multidisciplinary team. The study population comprised 106 children aged 3–8 years with CP who were attending the school of special education at Assaf Harofeh Medical Center. The GMFM-88 test was performed annually for the study children over a 7 year period (1995–2001).

Results: During the study period the GMFM measures scores improved significantly. The rate of improvement and top achievements over the years differed according to the severity of the motor impairment. The gross motor development reached a plateau at the age of 6–7 years.

Conclusions: The changes in gross motor development of the study population were similar to the profile of changes in the developmental process of children who develop normally. The nature of the curves of gross motor change for the children with CP should be borne in mind when designing individual treatment goals and strategies for a child.






[1] CP = cerebral palsy

[2] GMFM = Gross Motor Function Measure


October 2003
A. Figer, T. Friedman, A.E. Manguoglu, D. Flex, A. Vazina, I. Novikov, A. Shtrieker, A.A. Sidi, T. Tichler, E. Even Sapir, J. Baniel and E. Friedman

Background: The precise genes involved in conferring prostate cancer risk in sporadic and familial cases are not fully known.

Objectives: To evlauate the genetic profile within several candidate genes of unselected prostate cancer cases and to correlate this profile with disease parameters.

Methods: Jewish Israeli prostate cancer patients (n=224) were genotyped for polymorphisms within candidate genes: p53, ER, VDR, GSTT1, CYP1A1, GSTP1, GSTM1, EPHX and HPC2/ELAC2, followed by analysis of the genotype with relevant clinical and pathologic parameters.

Results: The EPHX gene His113 allele was detected in 21.4% (33/154) of patients in whom disease was diagnosed above 61 years, compared with 5.7% (4/70) in earlier onset disease (P < 0.001). Within the group of late-onset disease, the same allele was noted in 5.5% (2/36) with grade I tumors compared with 18% (34/188) with grade II and up (P = 0.004). All other tested polymorphisms were not associated with a distinct clinical or pathologic feature in a statistically significant manner.

Conclusions: In Israeli prostate cancer patients, the EPHX His113 allele is seemingly associated with a more advanced, late-onset disease. These preliminary data need to be confirmed by a larger and more ethnically diverse study.

August 2003
S. Luria, L. Kandel, D. Segal, M. Liebergall and Y. Mattan

Background: Revision of total knee arthroplasties are performed with increasing frequency due to the increasing numbers of primary arthroplasties.

Objectives: To retrospectively analyze 71 patients who underwent 78 revision total knee arthroplasties during the years 1991 to 1999

Methods: We evaluated the revised knees using the Knee Society Clinical Rating System after an average follow-up period of 3 years and 9 months (2–10 years). The indications for revision included pain and instability, deep infection of the joint, complaints linked to the patella, or post-trauma to the operated knee.

Results: The average knee score (evaluation of the knee joint itself) calculated after the revision was 74.5. The results on the knee score were excellent (>85) in 48% of patients and poor (<60) in 22%. The functional results (patients’ ability to walk and climb stairs) were only 48.3.

Conclusion: Although the revision of total knee replacements is known to be problematic, most patients show good results on knee examination, and reasonable functional results given the factors involved.

July 2003
R. Satran and Y. Almog

Sepsis is an infection-induced inflammatory syndrome that results in a complex network of adaptive and maladaptive alterations in homeostatic mechanisms. Severe sepsis, defined as sepsis associated with acute organ failure, is a serious disease with a mortality rate of 30–50%. The coagulation system, through complex interactions, has an important role in the final outcome of the sepsis-induced inflammatory cascade. A fine and delicate balance that normally exists between anticoagulant mechanisms and the procoagulant response is altered in sepsis. Activated protein C, an endogenous vitamin K-dependent anticoagulant, plays a major role in the down-regulation of the procoagulant arm. It also possesses anti-inflammatory properties. Endothelial damage during sepsis impairs the endothelium-dependent activation of protein C, thus shifting the balance towards thrombosis. This shift may contribute to the development of sepsis-related multi-organ failure. Evidence suggesting that activation of the coagulation system may contribute to sepsis-related morbidity and mortality has led to extensive research attempting to correct the hemostatic defects seen in septic patients. Indeed, a recent randomized controlled trial demonstrated a reduction in overall mortality in patients with severe sepsis treated with APC[1]. In this review we discuss the pathogenesis of the coagulopathy of sepsis, as well as the new therapeutic approaches aimed at correcting the defects in the coagulation system.






[1] APC = activated protein C


May 2003
J. Brodsky

In 2001 the number of residents aged 65 and over in Israel was 639,000, or 10% of the population. The rate of increase of the elderly population is twice that of the general population, thus the predicted number of elderly for 2020 is around 1,025,000, representing a 60% increase. While this process is determined by a decline in both fertility and mortality, in Israel, immigration has also been a central factor in the process of aging. Life expectancy stands at 76.7 for men and 80.9 for women; at age 65 it is 16.4 years for men and 18.5 for women. The major factor influencing the increase in life expectancy during the past two decades has been the prevention of death among older people. Population aging, or “the demographic transition,” also represents an "epidemiological transition” – from high rates of infectious and communicable diseases, to high rates of chronic diseases among older people. During the past two decades, the number of disabled elderly has increased more than 2.5 times. In 2001, there were about 97,400 disabled elderly in Israel, constituting about 15% of all elderly. By the year 2010, the number of disabled elderly is expected to reach 120,100. The rate of increase of the disabled elderly population is almost double that of the total elderly population, due to changes in this population’s composition. However, recent research indicates that new cohorts of elderly are healthier than earlier cohorts but experience a decline in health at older ages. While advances in standard of living, medicine, and technology have made this possible, a greater allocation of resources is required to prevent disability and maintain the quality of life.

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