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עמוד בית
Fri, 19.07.24

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March 2008
E. Avivi, H. Arzi, Paz L. I. Caspi and A. Chechik
B. Sheick-Yousif, A. Sheinfield, S. Tager, P. Ghosh, S. Priesman, A.K. Smolinsky and E. Raanani

Background: As the shortcomings of the Bentall operation and its variants in the Marfan syndrome have become apparent, the recent cusp-sparing techniques (remodeling or reimplantation) bear promise of better mid-term and long-term outcomes.

Objective: To examine the results of aortic root surgery in patients with Marfan syndrome.

Methods: During the period March 1994 to September 2007, 220 patients underwent aortic valve-sparing surgery; 20 were Marfan patients (group 1) who were compared with another 20 Marfan patients undergoing composite aortic root replacement (group 2). Fourteen patients had aortic dissection and 26 had thoracic aortic aneurysm. There were 31 males and 9 females with a mean age of 37.9 ± 13.8 years. In group 1, reimplantation was used in 13 patients, remodeling in 4, and aortic valve repair with sinotubular junction replacement in 3. In group 2, a mechanical valve conduit was used. Mean logistic Euroscore was 12.27 ± 14.6% for the whole group, five of whom were emergent cases

Results: Group 2 had more previous cardiac procedures compared to group 1 (9 vs. 2, P = 0.03) and shorter cross-clamp time (122 ± 27.1 vs. 153.9 ± 23.7 minutes, P = 0.0004). Overall mortality was 10%. Early mortality was 10% in group 2 and 5% in group 1(NS). Mean follow-up time was 25 months for group 2 and 53 months for group 1. Three patients were reoperated; all had undergone the remodeling. Five year freedom from reoperation and death was 86% and 90% in group 2 and 70% and 95% in group 1 (P = 0.6, P = 0.6), respectively.

Conclusions: Late survival of patients with Marfan syndrome was similar in both groups. Root reconstruction tends towards a higher incidence of late reoperations if the remodeling technique is used. We now prefer to use the reimplantation technique.
 

N. Shoenfeld and R.D. Strous

The biblical story of Samson may be understood at various levels and from different perspectives. Since the story of Samson in the Bible is sketchily drawn, the interpretations of the narrative are numerous. One version, according to David Grossman, a contemporary writer and liberal Israeli political activist, regards Samson critically, viewing him as a tormented individual who opts to end his life in order to end his suffering. Another version is that of Ze’ev Jabotinsky, a twentieth century author and nationalistic Jewish political activist, who regards Samson as a heroic figure exemplifying the ultimate Jewish hero who killed himself to help his people. While suicide is considered a tragic event, viewed as the outcome of an unstable state of mind from a psychopathological point of view, and a controversial issue in Judaism (as in other religions), there is value in examining how each of these authors explains the act. Since the personal and political opinions of the authors influenced their interpretations, the discussion will briefly expound on their biographies. A comparison between their two versions of the narrative will be made. A word of caution is introduced regarding the merits and demerits of artistic and creative analysis of the biblical narrative.

J. Kertes, M. Dushenat, J. Landes Vesterman, J. Lemberger, J. Bregman and N. Friedman

Background: Bisphosphonates are effective in the prevention and treatment of osteoporosis, yet their use is suboptimal.

Objectives: To measure bisphosphonate compliance among first-time users and identify factors associated with compliance.

Methods: We conducted a prospective follow-up of all women aged 45+ in the second largest health management organization in Israel who were prescribed bisphosphonates for the first time. The 4448 women were classified by drug dosage. Persistence and adherence measures of compliance were calculated for each woman over a 1 year period.

Results: Mean bisphosphonate persistence over a year was 216 days, with a mean medication possession ratio of 66%. Women whose medication was changed, whether from weekly to daily or daily to weekly, always had better persistence rates than those who consistently took the original dose. Persistence rates were as follows: 264 days for women who switched back and forth between daily and weekly doses, 229 days for those who switched from daily to weekly, 222 days for those who took the dosage weekly only, 191 days for those who switched to daily dosage, and 167 days for those who took the dosage daily only (P < 0.001). Switchers were also more likely to have adequate adherence rates (MPR[1] ≥ 80%): 81.3%, 76.6%, 67.5%, 61.3% and 52.2% respectively (P < 0.001). More than 20% of women stopped taking their medication within the first month. Women with higher supplemental insurance (offering significant discounts for weekly dose medications) had better persistence rates: 221 vs. 208 days (P = 0.03). Younger women and women on national pension insurance had the lowest persistence rates: 204 and 209 days respectively.

Conclusions: While weekly bisphosphonate takers had better compliance rates, persistence and adherence rates were inadequate for all groups. Changing medication to meet the needs of the patient, discounting weekly medications, and providing follow-up within the first months of prescription may promote compliance. 






[1] MPR = medication possession ratio


I. Gotsman, S. Rubonivich and T. Azaz-Livshits

Background: Angiotensin-converting enzyme inhibitors and angiotensin receptor blockers improve prognosis in congestive heart failure and are the treatment of choice in these patients; despite this, the rates of ACE-I[1] usage in heart failure patients remain low in clinical practice.

Objectives: To evaluate the rate of ACE-I/ARB[2] treatment in hospitalized patients with CHF[3], and analyze the reasons for non-treatment.

Methods: We prospectively evaluated 362 consecutive patients hospitalized with CHF. Patients were evaluated for ACE-I/ARB usage at discharge and were followed for 1 year.

Results: At hospital discharge 70% of the patients were prescribed ACE-I/ARB treatment. Only 69% received recommended target or sub-target dosages, proven to improve prognosis. This decreased to 63% and 59% at 6 months and 12 months of follow-up respectively, due to a shift from sub-target levels to low dosages. Justified reasons for under-treatment were apparent in only 25% not optimally treated discharged patients and this decreased to 12% and 4% at 6 and 12 months follow-up, respectively. Common reasons for non-treatment at discharge were hyperkalemia and elevation in serum creatinine, while hypotension and cough were more prominent at follow-up. Clinical parameters associated with increased treatment rates were ischemic heart disease and the absence of chronic renal failure. Patients receiving treatment had lower hospitalization and mortality rates.

Conclusions: ACE-I/ARB treatment is still underutilized in patients discharged from hospital with a diagnosis of CHF. Increasing the awareness of the importance of these drugs may increase the number of patients treated.






[1] ACE-I = angiotensin-converting enzyme inhibitors

[2] ARB = angiotensin receptor blockers

[3] CHF = congestive heart failure


February 2008
O. Amir, H. Paz, R. Ammar, N. Yaniv J.E. Schliamser and B.S. Lewis
 
Background: Serum natriuretic peptide levels are useful diagnostic and prognostic markers in patients with acute decompensated heart failure, but have been little used to stratify urgency of treatment in the outpatient situation.

Objectives: To examine the use of natriuretic peptide to guide priority of patient referral to a heart failure center.

Methods: We analyzed data from 70 consecutive patients with chronic heart failure (NYHA class 2-4) referred for first evaluation in a specialized outpatient heart failure center. Serum NT-proBNP[1] was measured at the initial patient visit. We examined correlates and predictive value of mid- and upper tertile NT-proBNP for mortality in comparison with other known prognostic indicators using univariate and multivariate logistic regression analysis.

Results: Mortality at 6 months was 26.0% in patients with upper tertile (> 1958 pg/ml) NT-proBNP, 8.7% in the middle tertile group and 0% in the lowest tertile (P = 0.017). Patients with upper tertile serum NT-proBNP levels (group 3) had lower left ventricular ejection fraction, were more often in atrial fibrillation (P = 0.04) and more often had renal failure (P = 0.03). Age-adjusted logistic regression analysis identified upper tertile serum NT-proBNP level as the strongest independent predictor of 6 month mortality with a sixfold risk of early death (adjusted odds ratio 6.08, 95% confidence interval 1.58–47.13, P = 0.04). NT-proBNP was a more powerful predictor of prognosis than ejection fraction and other traditional outcome markers.

Conclusions: In heart failure patients referred to an outpatient specialized heart failure center, an upper tertile NT-proBNP level identified patients at high risk for mortality. A single high > 550 pg/ml NT-proBNP measurement appears to be useful for selecting patients for care in a heart failure center, and a level > 2000 pg/ml for assigning patients to high priority management.






[1] NT-proBNP = - N-terminal pro-brain natriuretic peptide


B. Kessel, K. Peleg, Y. Hershekovitz, T. Khashan, A. Givon, I. Ashkenazi and R. Alfici

Background: Non-operative management following abdominal stab wounds is possible in selected patients who are both hemodynamically stable and do not have signs of peritonitis. However, the rate of failure of non-operative management is higher in Israel than in western countries.

Objectives: To assess the patterns of injury following abdominal stabbing.

Methods: Data from the Israeli Trauma Registry were used to identify all patients with abdominal stab injury admitted to eight different trauma centers between 1997 and 2004.

Results: The number of patients admitted per year more than doubled between 1997 and 2004, from 257 to 599. The percentage of patients with severe injury (Index Severity Score ≥ 16) increased from 9.4% to 19.0%. The incidence of multiple stab injuries almost doubled, from 37% to 62%.

Conclusions: Review of the data in the Israeli Trauma Registry indicates an increase in both absolute rate and relative incidence of serious stab injuries. This indicates that patterns of injury following stab wounds are not necessarily similar, not even within the same geographical area over time.
 

I. Makarovsky, G. Markel, A. Hoffman, O. Schein, T. Brosh-Nissimov, Z. Tashma, T. Dushnitsky and A. Eisenkraft
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