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Dose to patients through nuclear medicine procedures in a department in northern Greece.

Diagnostic nuclear medicine procedures in a large hospital in northern Greece during 1984-1988 have been surveyed in order to estimate the radiation burden to the patients. The mean effective dose equivalent (EDE) was found to be 1.96 mSv/examination and 2.46 mSv/patient, allowing for the fact that a number of patients underwent more than one examination. Apart from EDE, absorbed dose has been calculated for bone marrow, thyroid, gonads, kidneys and bladder. Patients undergoing multiple examinations have been used to calculate true 'patient dose distribution' as well as 'patient time-weighted dose distribution'. Because of the predominance of renal examinations, 8.5 fatal renal malignancies are expected per 100,000 patients.

Greece↗

Too hot for comfort: the heatwaves in Greece in 1987 and 1988.

The heatwaves that affected Greece in July 1987 and July 1988 are considered in terms of (i) the relative strain index. For different types of activity, and (ii) the discomfort index. Hourly values of air temperature and humidity for Thessaloniki and Athens were used as the data base. Both indices show that in terms of physiological strain and general discomfort, Thessaloniki suffered a little more and a little longer than Athens. We conclude that the relative strain index is probably a useful tool in studies of the adverse effects of humid heatwaves on different sections of a population.

Greece↗

The TRH stimulation test in endemic goitre in Greece.

The serum T4=T4(D), T3 in vitro uptake=RT3U and TSH were measured before and 30 min after the injection of 200 mug of TRH in 30 subjects from an iodine deficient area of Central Greece. These persons were divided in two groups of 16 goitrous and 14 nongoitrous patients and the results from each group compared to each other and also with the same parameters obtained from 14 controls subjects, all nongoitrous and from a nonendemic area. It has been found that in this area with a mild iodine deficiency serum T4 is the only hormone decreased whereas RT3U and TSH both before and 30 min after TRH injection are normal. There existed however a negative correlation between serum T4 and TSH in the goitrous group. Why the nongoitrous iodine deficient persons achieve the same compensation without thyroid gland enlargement remains unsolved but it may be stated from the present results that goitre development should be regarded as a maladaptation rather than a compensatory process.

Adult↗

The seroprevalence of ten zoonoses in two villages of Crete, Greece.

The seroprevalence and incidence of 10 zoonoses due to Rickettsia typhi, R. conorii, Coxiella burnetii, Burcella sp., Borrelia sp., Toxoplasma sp., Leishmania sp., Entamoeba histolytica, Echinococcus granulosus and Fasciola hepatica were studied in an animal husbandry and a farming village in Crete, Greece. The serum conversion incidence of each infectious agent was determined by testing 2 blood samples, collected in 1985 and in 1987. The surveillance was conducted using detailed transparent maps of the 2 villages studied, on which epidemiological data were interrelated to the results obtained from the serological tests. Thus the importance and spread of each infection were visualized. C. burnetii, Toxoplasma sp., R. conorii, and E. granulosus, were the most common infectious agents encountered during this study.

Adult↗

Diversity of aminoglycoside resistance in Enterobacter cloacae in Greece.

Ninety Enterobacter cloacae strains isolated from 12 Greek hospitals were examined in terms of epidemiological types and resistance mechanisms. Using O serotyping 69% of the strains were assigned to a specific serotype and overall 16 different serotypes were identified. The combination of serotyping, phagetyping and biotyping efficiently discriminated most of the strains, indicating that single epidemic strains were not prevalent, although serotypes 3, 7, and group II predominated. Eight representative strains, all resistant to gentamicin, tobramycin, amikacin and netilmicin, were further examined for transferability and mechanisms of resistance. Aminoglycoside resistance was found to be transferable in most strains, and 13 R plasmids of 40-120 MDa molecular weight were detected. The enzymes detected consisted of three enzymes active against gentamicin [ANT(2h'), AAC(3)-I and AAC(3)-V]; three active against tobramycin [ANT(2"), AAC(3)-V and AAC(6')-I]; two active against netilmicin [AAC(3)-V and AAC(6')-I]; and one active against amikacin [AAC(6')-I]. APH(3') and ANT (3"), which modify neomycin and streptomycin plus spectinomycin respectively, were also found. Overall up to five aminoglycoside modifying enzymes were detected on the same R plasmid, AAC(6')-I plus ANT(2") being the most prevalent. The high incidence of multiresistance in Enterobacter cloacae and the fact that resistance is due to enzymatic inactivation of the antibiotics, indicate that in Greece this species might act as a gene pool for the spread of resistance to other bacteria of clinical relevance.

Aminoglycosides↗

Outbreak of haemorrhagic fever with renal syndrome in Greece.

An outbreak of eight cases of haemorrhagic fever with renal syndrome in North-West Greece is presented. The major clinical manifestation was fever and all patients subsequently developed decreased renal function and proteinuria. The disease was diagnosed by rising antibody titers to the Hantaan virus.

Antibodies, Viral↗

[Greece and the European Economic Community: relations between mortality rates by cause and indices of development].

Greece is member of the European Economic Community since 1981. This paper analyses the existing relationships between mortality rates and several indices of socio-economic development; these indices deal with the rythm of industrial development, the level of urbanization, the quality and quantity of individual consumption. These indices show marked differences within EEC. Among the factors studied, those related to nutrition show strong association with cancer and coronary mortality; the level of urbanization is associated with mortality from cardiovascular and acute respiratory causes. The employment and the BIP are directly associated with mortality from accident, intoxication and respiratory diseases.

European Union↗

Childhood brucellosis in north-western Greece: a retrospective analysis.

UNLABELLED: Fifty-two cases of childhood brucellosis which occurred in north-western Greece during the 15-year period 1979-1993, are reviewed. It is believed that they represent very closely the total incidence of the disease in the region which has a population of 100,000 children aged 0-14 years old. Brucellosis-affected children were almost exclusively from goat- or shepherd families and of both sexes and all age groups. A broad spectrum of clinical manifestations ranging from malaise only to brain abscess was observed. Fever and arthralgia were the most common manifestations followed by malaise, myalgia, sweating, rash, cough, and gastro-intestinal, cardiac and CNS involvement. Splenomegaly was found more often than hepatomegaly and lymphadenopathy. Laboratory findings included anaemia, leukopenia, neutropenia, lymphocytopenia, monocytosis, eosinophilia, thrombocytopenia and pancytopenia. Leukocytosis and lymphocytosis were extremely rare and ESR and serum C-reactive protein levels were mildly elevated. All patients had positive Rose Bengal slide agglutination tests and standard tube agglutination titres of 1:160 or more. When performed, blood culture was often diagnostic. The children were treated with streptomycin for 2 weeks plus either tetracyclines or trimethoprim-sulphamethoxazole for 3 weeks. Treatment was well tolerated. Relapse was observed in one case. CONCLUSION: Brucellosis nowadays affects children in an occupational pattern. As symptoms, signs and first-line laboratory findings are not characteristic, agglutination tests and blood culture should be performed in any child with prolonged fever. Treatment is effective, but prevention of the disease by animal testing and education of high risk families is indicated.

Adolescent↗

Changes in suicidal behavior among nation-wide general population samples across Greece.

During recent years, two nationwide cross-sectional domestic surveys on psychosocial issues and health status were carried out in Greece. Both studies were conducted with identical methodology (personal interview) and screening instruments, with probability samples of 4083 adults aged 20-64 years (study A) and 3708 respondents of the same age range (study B). The time interval between the first and the second study was 6 years. The presence of self-reported suicidal behavior during the last month prior to the interview was examined. In study A, 2.8% of males and 6.8% of females respondents reported a recent suicide ideation compared to 6.4% of the males and 14.9% of the female suicide ideators in study B. However, only 0.27% of the males and 1.10% of the females in study A attempted suicide. These proportions were doubled in study B. The prevalence of depressive symptoms on the Center of Epidemiologic Studies Depression scale was high among the respondents reporting a previous suicide ideation and suicide attempts. Discriminant analysis revealed several social and psychiatric factors predicting suicidal behavior.

Adolescent↗

Prevalence of diabetes among glycosuric individuals in an urban area of Greece.

Epidemiologic data on the frequency of diabetes in the urban Greek population were lacking in Greece. Postpranadial urine samples of 21,410 inhabitants of a subturb of Athens were examined for glycosuria by two different enzymatic methods. It was found that 569 persons, i.e. 3.20% of the whole population aged 10 or more, presented postprandial glycosuria (cases of previously known diabetes were excluded); 417 persons out of these were submitted to an OGTT (50 g) and 135 new cases of diabetes were discovered. Glycosuria was associated with diabetes mostly in the age-groups above 40. Obesity was frequent among the newly discovered diabetes. Two thirds had abnormal blood sugar levels already in the fasting condition. The prevalence of non-diabetic glycosuria was 2.70% in males and 1.60% in females. The frequency of a family history positive for diabetes was found to be approximately twice as high in diabetics compared to subjects without glycosuria.

Adolescent↗

Changing the public-private mix: an assessment of the health reforms in Greece.

The 1983 health reform in Greece was a major political event in the social policy agenda. The main objective of the reform was the institution of a National Health System and the expansion of the health sector, improved equity, and the assumption of full responsibility for health services delivery by the state. An assessment of the results 10 years after full implementation of the reform shows that despite the expansion of the public sector, the public-private mix in financing and delivery has changed in favour of the private sector, making the Greek health system the most 'privatised' among the EU countries. The main reasons why the health reform failed to meet its objectives was the restrictive enforcement of full-time and exclusive hospital employment for doctors, the virtual ban on private hospital expansion, the much faster introduction and diffusion of new health technology by the private sector, and poor management, planning and control in the public sector. A new health reform voted into law in the summer of 1997 shows promise of redressing some of the shortcomings of the 1983 reform.

Administrative Personnel↗

Regional mobility in Greece: a statistical analysis of the phenomenon.

The author uses regression models and census data to examine social and economic factors influencing the migration of the rural population in Greece. "The basic conclusion...is that the mobility of the rural population is mainly affected by the trend of individuals to work in non-agricultural sectors where work becomes more productive. Equally important is the influence of the more general trend of the population to migrate and the special characteristics of the population in some regions near the frontiers." (SUMMARY IN FRE)

Demography↗

Exchange of sulfur pollution between Bulgaria and Greece.

The EMAP model (Eulerian Model for Air Pollution) is applied for calculating the sulfur concentration and deposition fields for 1995 as based upon Bulgarian and Greek sources. The country-to-country budgets show that about 4% of the sulfur oxides emitted by Bulgaria are deposited over Greek territory, estimated at 28 kt S. Only 2% of sulfur compounds emitted by Greece are deposited over Bulgaria, estimated at 6.2 kt S for 1995. This data is in agreement with EMEP/MSC-W estimates and provides more details concerning time and space. The results can be used in decision-making, negotiating and the development of contamination strategies.

Air Movements↗

Cerebral Whipple's disease diagnosed using PCR: the first case reported from Greece.

BACKGROUND: Whipple's disease (WD) is a rare multisystemic bacterial infection, with variable clinical manifestations occasionally involving the central nervous system. As the cultivation of the etiologic agent, Tropheryma whippelii, is difficult, a laboratory diagnosis is usually based on histological methods. In the last few years, molecular detection of the bacterial 16SrRNA genes by PCR, with 2 primer sets, has greatly contributed to the ability of clinicians to diagnose this disease. We present a cerebral case of WD in a 48-year-old male, successfully diagnosed using PCR with T. whippelii in the blood and feces. As far as we know this is the first case reported from Greece. METHODS: For the diagnosis of WD, histological examination of duodenum biopsy for diastase-resistant, non-acid fast, periodic acid Schiff (PAS)-positive inclusions in macrophages, and molecular detection of the 16SrRNA genes of T. whippelii by PCR in cerebrospinal fluid, blood, and feces, were performed. RESULTS: The histological detection was negative. PCR results were positive in the blood and feces of the patient and negative in the cerebrospinal fluid. Seven months after the onset of antimicrobial therapy, PCR was negative in all three clinical specimens. CONCLUSIONS: The application of PCR proved to be an invaluable tool for the recognition, differential diagnosis and early initiation of antimicrobial therapy for the patient diagnosed with WD, a disease which is generally fatal if it remains untreated.

Base Sequence↗

Euthanasia in Greece: moral and ethical dilemmas.

Euthanasia as a concept and a practice has led to enormous debate in Greece, as well as in other countries. In this study, we examined the views of the public and of professionals on the issue of euthanasia. A self-administered questionnaire of 28 items was completed by 417 subjects, and provided information about attitudes towards the moral and ethical problems of euthanasia. Psychiatric speculations which arose during the approach of this issue were seen in the majority of the responses (88.3%). Psychodynamic unconscious processes reinforced and violated mechanisms and motives in favour of, or against euthanasia. Of the respondents, 44.3% were against life extension with mechanical devices. Putative main risk factors for suicidal ideation and the desire for death were: pain 66.2%, despair 60.2%, depression 59.7%, and psychopathology 38.6%. This study thus revealed that apart from pain, psychosocial factors play a key role in leading people to ask for euthanasia. On the other hand, the knowledge of the public and professionals regarding this issue is not sufficient, and thus discussion of euthanasia by Medical Societies is needed and necessary.

Adult↗

Clonal relationships among penicillin-susceptible, multiresistant serotype 6B Streptococcus pneumoniae isolates recovered in Greece and France.

In January 1996 the emergence of penicillin-susceptible, multiresistant serotype 6B Streptococcus pneumoniae isolates resistant to chloramphenicol, tetracycline, erythromycin, clindamycin and trimethoprim-sulfamethoxazole was observed in young carriers in the city of Patras, located in the southwestern region of Greece. Later, a significant spread of pneumococci with this unusual phenotype was noted in carriers living in various other areas of the country. Using restriction fragment length polymorphism of the ribosomal RNA genes, clonal relationships were found between these Greek strains and serotype 6B penicillin-susceptible, multiresistant pneumococci isolated in France between January 1992 and September 1996. The French and Greek isolates appear to have a common ancestry.

Carrier State↗

Suicide in Greece 1980-1995: patterns and social factors.

A nationwide study of suicide in Greece from 1980 through 1995 demonstrated: 1. A mean age-standardized suicide rate of 5.86/100,000 for males and 1.89/100,000 for females. 2. An increase in suicide rates with age, especially in males. 3. Significant rising trends of male suicides in the 45-54 age group. 4. Significant declining trends of female suicides in age groups 15-24, 75-84, and total. 5. The lowest suicide rates among married men and women. 6. Exceptionally high rates in young widowed men. 7. Rural suicide rates were twice as high as urban rates. 8. Suicide methods were mostly violent, especially in males. 9. Hanging was the most common method, employed in approximately 50% of all suicides. The low suicide rates and the trends observed can probably be attributed to a synthesis of social and cultural characteristics of the Greek people and ongoing changes in Greek lifestyle.

Adolescent↗

Geographical variation in mental hospital discharges in Greece and socioeconomic correlates: a nationwide study (1978-1993).

BACKGROUND: In this paper the geographical distribution of discharge rates of psychiatric patients in Greece, nationwide, is shown. METHOD: Utilization rates are estimated by the number of discharged patients from all public and private mental hospitals for the period 1978-1993. RESULTS: During this period six prefectures were repeatedly found to exhibit the highest discharge rates for both sexes. Five out of those six areas are mountainous, socially isolated and of a lower level of socioeconomic development, lacking mental health services. The correlation coefficients for the annual mean age-standardized discharge rates of psychiatric patients and the corresponding General Index of Development score of each area were found to be statistically significant for all diagnoses, and for schizophrenic psychoses taken separately, in each prefecture for each of those years (1978-1993). CONCLUSIONS: It seems that the higher the hospital treated psychiatric morbidity is, the lower is the level of general socioeconomic development of the area. It is possible that families from socially disadvantaged areas, with limited support resources, are unable to avoid the hospitalization of their mentally ill members.

Epidemiologic Studies↗