תוצאת חיפוש

The Interaction Between Saliva and Cigarette Smoke and its Devastating Biological Effects as Related to Oral Cancer

Rafael M. Nagler, Ifat Klein, Abraham Z. Reznick

Department of Oral & Maxillofacial Surgery, Salivary Clinic and Oral Biochemistry Laboratory and Department of Anatomy and Cell Biology, Rambam Medical Center and Bruce Rappaport Faculty of Medicine, Technion - Israel Institute of Technology, Haifa, Israel

Saliva is the first body fluid to confront inhaled cigarette smoke (CS) which is injurious to the oral cavity and is associated with several oral diseases and cancer. We have recently demonstrated in an In vitro model that an exposure of saliva to nine `puffs' of CS induced a distinct increase in protein carbonyls. This elevation of protein carbonyls caused by CS may be the result of aldehydes presented in the CS reacting with sulphydryl (-SH) groups of the proteins. Moreover, following the exposure to CS, the activities of several salivary enzymes amylase, lactate dehydrogenase (LDH) and acid phosphatase (ACP) were found to be significantly reduced by 83%, 57% and 77%, respectively. However, CS had no effect on the activities of aspartate aminotransferase and alkaline phosphatase. In the current study we found that CS also reduced salivary peroxidase activity by no less than 80% which may be of a great importance to the clinical set up as peroxidase is considered a pivotal enzyme of the the salivary protecting system. Furthermore, in contrast to LDH findings in saliva, the LDH activity in plasma was not reduced following its exposure to CS.

Conclusion: Hence, we concluded that the loss of salivary enzyme activities may be due to various agents in the CS that affect the enzyme via different mechanisms.

The Many Faces of Syringomyelia

G. Vainstein, D. Yafe,* N. Gadoth

Departments of Neurology and Radiology* Sapir Medical Center, Meir General Hospital, Kfar Saba and Sackler Faculty of Medicine, Tel Aviv University

During July-August 1998, we encountered 4 patients who suffered from syringomyelia. The diagnosis in each case could not be reached on clinical grounds only, since the characteristic thermoanalgesic dissociation was absent in all patients.

In each case the spinal MRI showed the typical intraspinal cystic lesion, which finally established the diagnosis and led to appropriate treatment.

Myocardial Infarction Due to Cocaine

Doron Zamir, Ilan Leibovitz, Ilia Polychuck, Tetiana Reitblat

Department of Medicine D, Barzilai Medical Center, Ashkelon

Cocaine is a common drug. Myocardial infarcts and brain infarcts related to the use of cocaine were previously reported in the medical literature. We report a 34 year old patient admitted for severe chest pain, a few minutes after cocaine use. He was found to have an acute myocardial infarction with significant left ventricle dysfunction. Coronarography conducted a few days later was found to be normal. Cocaine use may cause acute myocardial infarction in young and healthy people with no other risk factors.

Hospital-At-Home as a Solution for the Treatment Requirements of Acute Exacerbation in Multiple Sclerosis

D. Steinmetz (1), H. Edelstein (1), S. Dishon (2), E. Berkovitz (1), A. Almany (1), A. Miller (2)

(1) Hospital-at-Home Department, Continuing Care Unit, Clalit Health Services, Haifa and Western Galilee District. (2) Multiple Sclerosis Center, the Neuroimmunology Unit, Carmel Medical Center. Faculty of Medicine and the Rappoport Institute for Medical Research, Haifa, Israel

Cooperation between the Multiple Sclerosis center at the Carmel medical center and the Hospital-at-Home (H.H) department of the continuing care unit in the Haifa and Western Galilee district of the Clalit Health Services has made it possible to give metylprednisolone intravenously to Multiple Sclerosis (M.S) patients during an acute exacerbation of the disease, in their home.

In this study, we describe the joint work of the two centers. We have summarized 30 treatment courses given to 26 patients in their homes, following referral by the M.S. center, in the year 1999.

The aims of the study included assessing satisfaction, safety and cose-effectiveness in a treatment course in the HH framework, as compared to the same treatment being conducted in the framework of hospitalization in various neurological departments, as was done in the past in the same group of patients.

The expenses involved in HH for this group of patients were only 14% of the parallel treatment in the hospital (a savings of 86%).

The treatment has proven to be extremely safe. There were no side-effects that required returning patients to the hospital, and the treatment was given in conditions of maximum comfort for the patient and his family.

A telephone survey was conducted, which compared the satisfaction with the HH treatment, and the burden caused the patient's family to prior hospitalization for the same treatment. For all of the parameters examined, greater satisfaction was distinctly proven in the HH treatment. In light of these findings, we can conclude that giving metylprednisolone intravenously to M.S patients during an acute exacerbation, in the HH framework, is a safe and cost effective treatment, preferred by the patient and his family.

Nephrogenic Adenoma - Benign Lesion of Urinary Tract System

Zohar A. Dotan, Yoram Mor, Sarit Aviel-Ronen, Jacob Ramon

Department of Urology and Pathology, Sheba Medical Center, Tel Hashomer, Israel

Nephrogenic adenoma is a rare metaplastic benign lesion of the urinary tract caused by chronic irritation to the urinary epithelium. The appearance of this lesion is usually characterized by hematuria and irritative symptoms. Nephrogenic adenoma may be found most commonly in the bladder and the urethra and less frequently in the renal pelvis and ureters. We present 5 patients who underwent surgery due to bladder or urethral nephrogenic adenoma. Despite the fact that nephrogenic adenoma is a benign lesion, long term follow-up is needed due to the high recurrence rate and the potential, though rare, malignant transformation.

Prenatal Down's Syndrome Screening at 10-14 Weeks Gestation using the Combined Nuchal Translucency and Maternal Serum Biochemistry: Preliminary Results

Ron Maymon^1*, Marina Bergman², Shmuel Segal²,  Eli Dreazen¹, Zwi Weinraub¹ and Arie Herman¹

¹Department of Obstetrics and Gynecology, Assaf Harofe Medical Center, Zerifin 70300 (affiliated with Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv), Israel. ²Department of Obstetrics and Gynecology, Barzilai Medical Center, Ashkelon (affiliated with Ben Gurion University, Be'er-Sheeba), Israel.

We report our preliminary experience of prenatal screening for Down's syndrome (DS) using nuchal translucency (NT) measurement combined with the serum biochemistry analysis of Free b-human chorionic gonadotropin (FbhCG) and pregnancy associated plasma protein A (PAPP-A) all measurement at 10-14 weeks of gestation.

Of the 358 parturient women which enrolled in the study, 9 cases were not included because of fetal anomalies or miscarriages. Thus the study group included 349 singleton pregnancies in which complete prenatal and infant follow-up was available.

Forty-four pregnant women were found to be screen positive (12.6%) and in 13 cases (27%) of them fetal chromosomal aneuploidies were diagnosed. Looking into the markers profile we found that the NT was a sensitive marker which was abnormally increased in all the fetal aneuploidies. Serum FbhCG was found to be a promising marker as well, being significantly elevated (2.26[0.86 multiple of the medians, MoM) in DS cases, and decreased (<0.5 MoM) in two cases of Edward's syndrome.

On the contrary, PAPP-A was found less sensitive, and its mean MoM values were not significantly different between DS versus euploid fetuses.

Our preliminary results support the promising success of DS screening using NT and FbhCG.

Inflammatory Bowel Disease and Osteoporosis: an Evidence-Based Connection

Eyal Meltzer, Eran Dolev,

Department of Internal Medicine E, Sourasky Medical Center and Sackler Faculty of Medicine, Tel-Aviv, Israel

Inflammatory bowel diseases (IBD) often have chronic or remittent course. Control of symptoms and disease activity often requires the administration of glucocorticoids.

Osteoporosis is a frequent finding in patients with IBD. The evidence-based connection between the two conditions relies on a relatively limited number of cross-sectional and longitudinal studies. The cause of this connection has not been defined completely. Probably, both the chronic inflammation and the steroid therapy contribute to the osteopenia, through an increase in bone resorption without a compensatory increase in bone formation. There is little data regarding the efficacy of therapeutic interventions for the prevention of osteoporosis in patients with IBD. Recently, guidelines for the evaluation and treatment of osteoporosis and IBD have been published. There is need for further research on the relation between these conditions and on the efficacy of current therapy for this unique population.

Male Genital Self Mutilation - A Cause of Hematuria

P. Schwartzman, Z. Viner

Department of Familyu Medicine, Community Health Section, Ben-Gurion University, The Negev, Beer-Sheva, Israel

Pathological self-mutilation is defined as a deliberate destruction of body tissue without conscious intent. It is sometimes associated with several pathologies such as mental disorders and mental retardation.

We report a non-psychotic male, with borderline mental retardation who practiced sporadic moderate genital self-mutilations as a masturbation technique and presented as a case of recurrent gross hematuria.

Menetrier's Disease in Children

Yossi Rimar, Michael Jaffe, Ron Shaoul

Department of Pediatrics, Bnei-Zion Medical Center, Faculty of Medicine, Technion, Haifa, Israel

Menetrier's disease in children is a rare disorder that is characterized by the presence of marked protein losing gastropathy associated with enlarged and thickened gastric folds. Abnormal regulation of gastric epithelial growth, probably triggered by an infectious agent, has been suggested as an etiology for this disorder. We describe a case of Menetrier's disease in a young child and review the current literature encompassing the different aspects of the disease.

Costs and Benefits of Laparoscopic Inguinal Hernia Repair- Is there an Economic Justification?

Dan Greenberg¹, Jochanan G. Peiser²

¹Department of Health Systems Management, Faculty of Health Sciences, Ben-Gurion, ²Operatory Room Directorate and Division of Surgery, Medical Center, Soroka University, Israel

Background: With the recent accelerated development of laparoscopic surgery, it has been applied in all fields of surgery. The main issue today is not the technical ability of performing laparoscopic procedures but rather their justification while considering the disease and cost-benefit aspects.

Objectives: The present study surveys the experience accumulated in recent years concerning the economical aspects of laparoscopic inguinal hernia repair. Issues like length of the surgical procedure, cost, typical complications and recuperation time are being addressed.

Methods: We reviewed controlled clinical trials that compare laparoscopic and open repair of inguinal hernia. Trials that included at least 100 patients and were published in peer-reviewed journals since 1996 were included. Various operative techniques were compared using clinical and economical parameters.

Results: Most studies examined the issues from an institutional or health care system viewpoint and not from a comprehensive societal perspective. Therefore, indirect costs were seldom included. Operative times were longer and direct costs were significantly higher in the laparoscopic approach as compared to conventional open surgery. However, recovery time and return to work were found to occur earlier in patients who underwent laparoscopic surgery.

Conclusions: A shorter recovery time and shorter off-work period after laparoscopic hernia repair could compensate for the increased hospital expenditures. However, this contribution has not yet been completely established and needs further validation by supplementary studies. Other aspects that will have to be evaluated include quality of life and patient satisfaction.

Liver Failure with Coagulopathy in an Infant with Tyrosinemia

Moshe Nussinovitch, Gadi Campino, Rivka Shapira, Benjamin Voluvitz, Jacob Amir

Department of Pediatrics, Schneider Children's Medical Center of Israel, Petah Tikva, Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel

Tyrosinemia is an inherited autsomal recessive condition. We present a 5 week-old boy with this disorder. He was admitted because of a fever, vomiting and lethargy. The laboratory tests confirmed a coagulopathy with prolonged prothrombin time (PT), partial thromboplastin time (PTT) and a decreased serum fibrinogen. The a-fetoprotein level was markedly elevated. To confirm the diagnosis of tyrosinemia, quantitative urinary succinylacetone was measured. Although overt liver failure with coagulopathy may be part of the representation of tyrosinemia, a significant coagulopathy in the absence of overt signs of liver disease has not been emphasized as a clue to the diagnosis of this condition.

אשר בשירי, בוריס פורמן, משה מזור

החטיבה למיילדות וגינקולוגיה, מרכז רפואי אוניברסיטאי סורוקה, באר שבע

הנקת היילוד היא בעלת יתרונות מוכחים לגבי בריאות הילד ומקובל על הכל, שחלב אם מכיל את המרכיבים התזונתיים הטובים ביותר בהשוואה לתחליפים שונים, וכמו כן, נועד לו תפקיד מכריע בהישרדות הילודים במדינות מתפתחות. לאור זאת, תפקיד מכריע בהישרדות הילודים במדינות מתפתחות. לאור זאת, נודעת חשיבות רבה לאמצעי המנע הנבחר בזמן ההנקה, כך שיהיה בעל השפעות מיקטיות על החלב ועל הילוד.

בחירת אמצעי המנע (contraceptives) לאשה מיניקה צריכה להיקבע באופן אישי ויש לקחת בחשבון מספר שיקולים לגבי הסוג הנבחר ומועד תחילת הנטילה: העדפה אישית, השפעה על הפוריות, השפעה על ההנקה, עלות, שיעור השפעות-הלוואי, מידת היעילות, משך ההשפעה וזמינות השיטה.

עידו שולט

מרכז רפואי רמב"ם, הפקולטה לרפואה רפפורט, הטכניון, חיפה

אנו נוטים לקבל כמובנת מאליה את העובדה, כי קיים ייצוג המשותף לכל חושינו, למיקומם של עצמים סביב לנו ביחס לגופנו. מפה של החלל התפישתי ממוקמת אי שם במוח ומוצגת לנו על ידי ההכרה. חייבת להיות תצוגה כלשהי מסוג זה, שאם לא כן, לא היינו מסוגלים לקשר ללא כל מאמץ בין תפישת המרחב הקרוב ממקור רשתית, סטראוסקופי, שמיעתי, סומסטטי, אוקולומוטורי ותנועות גפיים. תצוגה זו לא חייבת להיות כפי שרבים מניחים, בצורת מפה טופוגרפית מפורשת תלת-מימדית, כגון המפות הרטינוטופיות, הממוקמות בקליפה העורפית. למעשה, נמצאה רק עדות מועטה ביותר לקיום מפה טופוגרפית מעין זו לחלל התפישתי.

כרמי ברטל, יניב אלמוג

היחידה לטיפול נמרץ פנימי-ביניים, החטיבה לרפואה פנימית, מרכז רפואי אוניברסיטאי סורוקה, אוניברסיטת בן-גוריון בנגב, באר-שבע

פעולת ההחדרה של צנתר עורק הריאה (צע"ר) מבוצעת באופן תדיר בבתי חולים רבים בעולם; מדי שנה, נעשה שימוש בלמעלה משני מיליון צנתרים. הנתונים ההמודינאמיים המתקבלים בשיטה זו נועדו למדידה, ניטור ושינוי מדיניות טיפולית בחולים קשים המאושפזים ביחידות לטיפול נמרץ או בחולים הלוקים באי-יציבות המודינאמית. כיום, הייעודים העיקריים בטיפול בצע"ר הם ניטור חולים הלוקים באוטם שריר הלב המלווה באי-יציבות המודינאמית וניטור חולים בעלי סיכון ניתוחי גבוה, הזקוקים לניתוח לב.

[...]

בסקירה זו, מובאים ההיגיון בטיפול בצע"ר, הצרכים אותם הוא יכול לספק, העובדות שהביאו לקונגרס ההסכמה, עיקרי המדיניות שנקבעה, לאן מועדות פנינו ו"האני מאמין" שלנו.

בן-עמי סלע

המכון לכימיה פתולוגית, מרכז רפואי שיבא, תל-השומר; החוג לביוכימיה קלינית, הפקולטה לרפואה סאקלר, אוניברסיטת תל-אביב

נזק ריקמתי או תהליך דלקתי משרים בפלסמת הדם עלייה בריכוז מספר אנליטים במה שמוגדר כתגובת acute phase. וכן נמדדת במצבי-דחק עלייה בלתי-סגולית ברמות של החלבון amyloid A, פיברינוגן, הפטוגלובין, צרולופלסמין, neopterin, ציטוקין IL-6, ואף ferritin.