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Biomedical subjects

B Kinner

Publications and source records attributed to B Kinner.

28 records · Page 2Linked to original sources
PubMed1978

[Cardiovascular radiography, changes in the thoracic aorta, ECG and clinical parameters in hypertension. 2. Changes in the thoracic aorta in hypertension].

In 142 hypertensives and a control group of 230 normotensives the measure of the aorta after Kreuzfuchs was estimated. In the two groups a significant increase of the width of the aorta was found with growing age. Whilst the width of the aorta concerning the degree of severity I of hypertension on an average were slightly below those of normotensives, they were increased in the degrees of severity II and III, but a further increase could not be ascertained at the transition from degree of severity II to III. On the other hand, the duration of hypertension is of particular importance when a dilation of the aorta is present. Also between deformation of the heart and measure of the aorta close relations which may conclude to a homogenous development are to be seen particularly in the younger patients. The influence of the sclerosis of the aorta in the sense of an additional dilation of the aorta could not be clearly confirmed on the basis of our material. On the other hand, the frequency of calcium depositions significantly increased with growing age in the region of the aortic arce and in the group of younger patients with the duration of hypertension, whereas the different degrees of severity II and III had a smaller influence. It is interesting that several patients showed normal widths of the aorta despite a duration of the hypertension of more than 5 years and a degree of severity III.

Aorta, Thoracic↗
PubMed1978

[Cardiovascular x-ray findings, changes of the thoracic aorta, electrocardiographic and clinical parameters in hypertension. 1. Cardiovascular x-ray findings in hypertension].

We examined 142 hypertensive patients of special consulting hours for hypertension. In a subdivision into 3 degrees of severity of hypertension and into the age groups less than or equal to 50 years and greater than 50 years X-ray findings on the heart and on the large vessels near the heart were made. Patients with blood pressure values RRs greater than or equal to 160 Torr and RRd greater than or equal to 95 Torr had these findings in 78%. 56% of the test persons with a heart affected in the left ventricle (R1) were found and 23% of the test persons with left-prevailing heart affected on the two sides (R3). The positive correlation between age of the patients with hypertension, duration of hypertension and frequency of the heart deformation in the sense of the left-ventricularly affected heart and the left-prevailing heart affected on the two sides could statistically be ascertained. 62% of the patients less than or equal to 50 years and 89% of the patients greater than 50 years had these findings. In a duration of hypertension less than or equal to 5 years 64% had these findings, in a duration of hypertension greater than 5 years 64%. The total number of findings increases with the degree of severity of hypertension. In test persons with degree II of severity of hypertension (RRs 160-200 Torr, RRd greater than or equal to 95 Torr) 73% had these findings, in test persons with degree III (RRs greater than Torr, RRd greater than or equal to Torr) 86%. The relation of the heart deformation in the sense of the left-prevailing heart affected on the two sides between degree II and III of the severity of hypertension was contradictory. In hypertension II and duration of hypertension greater than 5 years the percentage of the test persons with left-prevailing heart affected on the two sides was 42%, in hypertension III and duration of hypertension greater than 5 years 19%.

Adult↗
PubMedDate not supplied

[ How to gauge the importance of sports medicine for the medical training of medical students?].

AIM: Education in sports medicine is offered heterogeneously in German medical schools. The self-image of sports has changed from a traditional, competition-oriented way to adventure, entertainment, wellness and health. Therefore, changes of our curricula to a practical-oriented way of teaching are required. In a first step the motivations and expectations of the students have to be evaluated. METHODS: 90 students enrolled in a sports medicine class were evaluated using a questionnaire and compared to 60 students not participating in the sports medicine class. RESULTS: The main motivation for the students to sign in was the future possibility to subspecialize in sports medicine, followed by interest in the subject. The main reasons not to participate were the time factor followed by lack of interest. 80 % of the students were regularly practising sports. 66 % commented on having been involved in sports trauma. 90 % of the students believe that practical-oriented education is absolutely necessary. CONCLUSION: Evaluation of the students motivation, knowledge as well as a discussion of the current practice to teach sports medicine at medical school confirm the need for modification of our curricula to a more practical-oriented education.

Curriculum↗
PubMedDate not supplied

[Ambulation training with bilateral limited weight bearing after foot injuries].

AIM: Bilateral foot injuries are not uncommon. Operative treatment usually requires partial weight bearing over several weeks. This is a challenge for physiotherapy especially for ambulation training. We describe a new rehabilitation aid allowing for bilateral limited weight bearing during ambulation. METHODS: Ambulation training was initiated in the early postoperative period using the Regensburg ambulation aid. A lift system allows for exact limitation of weight bearing on both sides controlled by balances integrated into the floor. Using a rail system a 15 m free walking distance is available. This study included 10 patients with bilateral foot fractures. The functional outcome was assessed using the AOFAS score and quality of life with the SF-36 score. Plain X-rays were used to evaluate loss of correction. The control group consisted of 20 patients where ambulation training was discontinued for at least 6 weeks postoperatively. RESULTS: The system is very safe, during the entire period no complication was recorded. Acceptance among the patients was extremely high. Worries about unwanted weight bearing could be reduced. Patients mobilized with early ambulation training showed a better compensation of gait if compared to the control group. Secondary problems in the knee, hip or spine, as well as muscular deficiencies had a significantly lower incidence. No loss of correction could be seen in either of the two groups. CONCLUSION: The presented ambulation aid is a significant contribution to the physiotherapy of bilateral foot injuries.

Equipment Design↗
PubMedDate not supplied

[Experiences with a hydroxyapatite-coated, macroporous surface hip endoprosthesis].

INTRODUCTION: Cementless hip arthroplasty is not completely satisfactory--even with macroporous structured surface. Medium term results are sometimes disappointing because of insufficient secondary stability. Thus our aim was to improve fixation by additional coating with hydroxyapatite. METHODS: 200 consecutive patients who had hydroxyapatite-coated cementless hip replacement with a macroporous hip prosthesis (09/92-03/96) were studied prospectively. All patients were included in a prospective follow up schedule according to the criteria of Johnston et al. As measure of clinical outcome we calculated Harris Hip Score as well as Enghs Score to assess radiologic fixation and stability. RESULTS: 91% could be followed up regularly. No revision because of aseptic loosening had to be done. Analysis of clinical results showed almost painless patients from early after the operation--especially no thigh pain. Average HHS after 2 years was 97. Radiological evaluation showed early and complete osteointegration of all components. According to Engh-Score they are stable and well fixed. CONCLUSION: HA coated macroporous implants provide some striking advantages, which encouraged us to continue with this system. By early and secure bony ingrowth a fibrous interface is avoided and thereby also long-lasting thigh pain.

Adult↗
PubMedDate not supplied

[Effect of obesity and food restriction on health and aging].

Based on experiences in animal studies, an attempt is made to illustrate all those mechanisms influencing the ageing process of human beings. The experimental part especially investigates the influence of food restriction in obese on the cardiovascular system and biological age. In middle-aged obese patients a normalization of initially altered noninvasive cardiodynamic parameters was achieved by isocaloric reduction diet. The biological age was influenced by food restriction too. If there is a correlation of overweight, food restriction and expectation live with human beings should be subject of further investigations.

Adult↗
PubMedDate not supplied

[Systolic time interval, stress ergometry and 133-xenon clearance in obesity].

Systolic time intervals were measured with 55 middle aged healthy normal weight and 76 healthy overweight probands in two positions (standing and lying). In 39 adipose patients and 55 normal weight subjects an ergometric work was carried out. A significant difference between normal and extremely adipose subjects without cardiac diseases could not be noticed with regard to the preejection index. Preejection period and left ventricular ejection time showed significant differences in both positions between normal and overweight probands, independent of blood pressure. In overweight patients there was a significantly decreased heart work load. The preejection index of adipose patients with a work load below 76 watts amounted to a mean value of 1,04. A work load of 100 watts was reached by only half of the adipose patients. In 32 adipose subjects with a heart work load above 75 watts the regulation of heart-rate and blood-pressure was not different from that of normal weight persons. Muscle blood flow was measured by 133Xenon-Clearance after Lassen et al. The measurement of the 133Xenon-Clearance of the arm muscle at rest in 29 adipose patients resulted in significantly lower values compared with normal weight persons.

Adult↗
PubMedDate not supplied

[Systolic time interval as a means of evaluating the cardiac functional capacity in patients with and without heart insufficiency].

Determining the systolic time intervals in a non-invasive method which is easy to apply and inexpensive, and it can be repeated as many times as necessary. The patient is subjected to low psychic stress so that even elderly and sick patients may undergo it. The STI method may be applied to case control and the observation of the development of a disease following pharmacological treatment. The method makes it possible to differentiate between healthy persons and patients suffering from cardiac insufficiency, and concealed insufficiencies of the cardiac circulation may be detected. The STI interpretation must take into account those factors which have an effect on the STI length. The results can be considerably upgraded through the use of certain indices, PI being the main one. The PI index is of particular value if the effect of the treatment by glycoside medication is to be observed.

Aged↗
PubMedDate not supplied

Selected metabolic results of the Leipzig gerontological longitudinal study.

The results of the longitudinal study show a gradual development of the overweight of young obese women. The decrease of weight in middle aged obese women is likely to be influenced by additional therapeutic measures by the physicians. It is interesting to note that men and women of normal weight do not develop overweight over a ten-years-span. Serum cholesterol increased in all age and weight groups within a ten-years-interval. The changes of the shares of total fatty acids were especially characterized by the decrease of palmitic acid and the increase of linoleic acid in the ten-years-interval. However age, weight and sex differences were present. The increase of uric acid level occurred with all test persons independent of sex. With test persons above 45 years a significant sex difference was noticed.

Adult↗