[Adherence to Phase III Cardiac Rehabilitation Programs: A Prospective, Randomized Comparison between a Conventionally Conducted Program and a Tai Chi-Based Program].

Introduction: In patients with cardiac diseases, lifestyle changes such as an increase in physical activity are recommended to prevent further cardiac events. In Germany this is possible by attending outpatient heart groups. A problem inherent in these programs is the lack of adherence since more than two thirds of patients stop attending cardiac rehabilitation programs after six months.

[Malignant meningeal "histiocytosis"].

Two cases of patients with unusual pleomorphic tumors in the meninges are reported. Histologically and immunohistologically, the tumor cells may be histiocytic in appearance. Computed tomography and magnetic resonance imaging scans, however, revealed no lesions in the parenchyma or in the meninges.

[Gastric carcinoid in chronic atrophic gastritis with hypergastrinemia].

A 51 year-old woman with vomitus, intermittent epigastric pain and heartburn had chronic sideropenic anemia. Gastroscopy revealed a subcardial, submucosal tumor. The tumor was removed totally by endoscopic polypectomy.

[Carcinoid tumor of the esophagus. A rare differential diagnosis in submucosal esophageal tumor].

In a 63-yr-old male endoscopy revealed an occlusive submucosal tumor in the upper esophagus. The surgically enucleated tumor was identified histologically and immunohistochemically as a carcinoid. The tumor had no endocrine activity.

[Successful antibiotic treatment of a pulmonary infection with Nocardia asteroides (biovariety A3)].

An open lung biopsy in a 67-year-old man revealed nocardiosis as the cause of a treatment-resistant pulmonary infection. His resistance had been weakened by a non-Hodgkin lymphoma, polychemotherapy and long-term steroid medication. The nocardiosis was cured by a 26-day high-dosage regimen of imipenem and amikacin in combination.

[Rupture of the distal biceps tendon].

Eight avulsions of the distal biceps tendon were operatively treated between 1982 and 1985. The operative procedure and results of subsequent investigations are described. The problems of correlation between injury and trauma and its assessment by histological observations are discussed.

Chemical changes of human knee joint menisci in various stages of degeneration.

Human knee joint menisci graded according to degenerative alterations were submitted to chemical analysis. Normal menisci contained 72% water, 0.12% DNA, 22% collagen, and 0.

Knee joint meniscal degeneration as it relates to tissue fiber structure and mechanical resistance.

Histological examination of knee joint meniscectomy specimens revealed previously undescribed basophilic spindle shaped structures. This study was done to explore their structure, to discuss potential mechanisms for their development and to establish diagnostic criteria. --4000 surgical specimens were examined.

The bivalence of juxtaglomerular cells in the maturing rat kidney. A comparative study of secretory and contractile potential.

A comparative immunofluorescence and light microscopical study of the three cell types of the juxtaglomerular apparatus (pure muscle cells, pure granular cells and mixed cells) was performed on the growing and maturing kidney of the rat. Mixed cells, containing contractile protein and secretory granules, are detectable on the first postnatal day in about one third of the JGAs. From the third week, the number of bivalent cells increases, while the proportion of pure muscle or pure granular cells decreases.

Mucopolysaccharidosis III A (Sanfilippo disease type A). Histochemical, electron microscopical and biochemical findings.

This is a report of two brothers iwth mucopolysaccharidosis. The 8- and 10-year-old boys presented the characteristic clinical symptoms of the syndrome in their entirety. Both had a highly increased excretion of heparan sulfate in urine.

Increase of mitosis in the tubular epithelium following intrarenal doses of various kidney homogenates and hemogenate fractions in the rat.

Earlier investigations about the consequences of experimental kidney ischemia raised the question, if there exists a substance in the renal tissue which is liberated by cell death or during regeneration of cells and which might stimulate mitosis of other cells. Therefore in recent experiments we directly injected into the left kidney parenchyma of receiver animals, homogenates, or their separated fractions from infarcted or regenerated kidneys of adult donors and from kidneys of juvenile donors. These are the results" 1.