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Biomedical subjects

T Schott

Publications and source records attributed to T Schott.

12 recordsLinked to original sources
PubMed1998

Recurrent pleomorphic adenomas of the parotid gland: clinical evaluation and long-term follow-up.

We report 94 patients with recurrent pleomorphic adenomas of the parotid gland who were referred to our clinics after operations elsewhere. In 78 patients (83%) enucleation was the surgical technique used to remove the tumour. Patients with more than one recurrence were significantly younger than patients who had only one. Many recurrent adenomas (44%) were multifocal. In 20 (21%) further recurrences became obvious after we had operated on them. The mean time interval before recurrence ranged from 7.3 to 10.1 years. Twenty patients (14%) had persistent motor disorders of the facial nerve after operation for recurrence (n = 143). Twenty eight of the 84 patients from whom follow-up data could be obtained developed Frey's syndrome (33%). Our data support the importance of an adequate initial operation to avoid recurrences of pleomorphic adenomas in the parotid gland.

Adenoma, Pleomorphic↗
PubMed1998

Organizational characteristics associated with agency position in community care networks.

This study examines how organizational characteristics affect agency participation and centrality in community service networks. We find that the network structure of agency relations varies for administrative and client-related activities among the 69 agencies studied, which include all but the most isolated agencies serving people with physical disabilities in a single community. In identifying structurally equivalent groups using network analysis, we find that all types of agencies except HMOs are found throughout community service networks. Analyses show that among the five types of relations, minimal intergroup activity occurs within funding and planning networks and that organizational size and ownership are the best organizational predictors of network location and centrality. Non-profits are the most central for planning and client referrals, and large agencies are the most central for funding. We explore the implications of these findings, particularly for sustaining cooperation within the service networks and for the role of non-profits and medical providers in the community.

Community Networks↗
PubMed1996

Surgical management of pleomorphic adenomas of the parotid gland: a follow-up study of three methods.

PURPOSE: This retrospective study evaluated data pertaining to history, symptoms, diagnosis, and mode of therapy of patients treated for pleomorphic adenoma of the parotid gland. PATIENTS AND METHODS: The records of 475 patients were reviewed. Follow-up was done by questionnaires sent to the referring doctor. RESULTS: The total rate of recurrence was 0.9% after 475 operations for pleomorphic adenoma of the parotid gland. One recurrence (0.7%) was reported for the group with superficial parotidectomy and none for the group with total parotidectomy. The rate of postoperative side effects was also low. The facial nerve was affected in 1.4% after superficial parotidectomy, and in 3.3% after total parotidectomy. CONCLUSION: The results of this follow-up study show that superficial parotidectomy for pleomorphic adenoma located in the superficial lobe of the parotid gland provides adequate therapy and generally avoids recurrence and side effects.

Adenoma, Pleomorphic↗
PubMed1995

Healing rate of transverse osteotomies of the olecranon used in reconstruction of distal humerus fractures.

To determine the rate of healing of the osteotomy, we studied the cases of 10 patients who had transverse osteotomy of the olecranon for surgical exposure of a complex distal humerus fracture. The average age of the patients was 48 years, and the average follow-up was 24 months. Nine of the fractures were complex supracondylar/intercondylar fractures. All of the humerus fractures were treated with bone plates and screws, and nine of the osteotomies of the ulna were reconstructed with a large lag screw and tension band wire. Smooth pins and a tension band wire were used in 1 patient with osteoporotic bone. Union of the ulnar osteotomy occurred in 7 patients, and 3 of the patients had a nonunion. The average time of healing of the distal humerus fractures was 3.5 months, and the average time of healing of the ulnar osteotomies was 5.2 months. Six of the patients developed a gap at the osteotomy site by displacement or resorption of it, and two of these progressed to a nonunion. The patients whose ulnar osteotomy healed had an average extension lag of 33 degrees, and the average flexion at their elbows was 122 degrees. The patients who had a fibrous nonunion of the ulnar osteotomy had an average extension lag of 27 degrees at the elbow, and all 3 patients had full flexion of the elbow joint. Because of the nonunion rate of 30% in our patients, we no longer use a transverse osteotomy of the olecranon to expose distal humerus fractures at surgery.

Adolescent↗
PubMed1988

[Long-term anxiety and depression following myocardial infarct].

Data from the 5-year Oldenburg Longitudinal Study were used for investigating the causes of differences in psychological well-being in a national sample of 1000 cardiac patients. In a subsample of 400 married patients, for whom data from the spouse were available, exogenous influences, cognitive mediators, and two measures of psychological distress were linked up in models explaining/predicting the level of anxiety and depression. A major hypothesis was the salience of the illness-related cognitions of the patient as a determinant of long-term behavior and mood state. Early patient subjective health perceptions, the 'primary appraisal' of threat/harm/loss, were found to be the most important predictors of subsequent psychological well-being at the fourth wave of the study several years later. As an instrument for patient screening and psychosocial intervention, Type A's and other groups of subjects seemed to constitute high-risk patient groups.

Adaptation, Psychological↗
PubMed1988

Marriage and the psychological consequences of a heart attack: a longitudinal study of adaptation to chronic illness after 3 years.

As part of a larger study on recovery from myocardial infarction in a national sample of male cardiac patients, data was collected on slightly under 400 men and their wives over a 5-year period. This longitudinal data set was used to investigate the role of patient health cognitions and marital factors on long-term psychological response to the illness. Negative appraisals of threat and loss due to cardiac impairment/disability were found to be the best predictor of anxiety and depression at 3-4 years after hospitalisation. Patient cognitions appeared to be a chief mediator of medically-defined illness. Supportive marital environments were defined by scales measuring intimate attachment and spouse conflict. The latter was found associated with negative health cognitions and elevated anxiety. High intimacy marriages appeared to provide adequate social support, and the level of intimacy between the spouses was inversely related to the level of depressed mood. These findings were suggestive of a buffering effect of the patient's social support system. Other predictors, including the type A pattern, 'vital exhaustion', and social class were investigated as components of a multifactorial model for clinical screening purposes.

Adaptation, Psychological↗
PubMedDate not supplied

[Continuity and the quality of medical care for the cardiac patient: cardiac rehabilitation and its interfaces to acute care (phase I) and the process of coming back (phase III)].

Cardiac rehabilitation plays a pivotal role in the care for cardiac patients. Yet without sufficient continuity in the care process, the good results achieved in the different stages of therapy and recovery may not last. The aim of this contribution is to highlight the interfaces of cardiac rehabilitation in regard of process continuity as an aspect of the quality of health care. The results show that continuity between the acute care unit and inpatient rehabilitation programmes (phase I - phase II) seems to be sufficient whereas integrating phases II and III may be open for optimizing.

Aftercare↗
PubMedDate not supplied

[Outcomes of cardiac rehabilitation treatment and cost-effectiveness relations--A comparison between inpatient and outpatient rehabilitation programmes].

Regarding the dominance of inpatient medical rehabilitation programmes efforts have emerged over the last few years to strengthen outpatient medical rehabilitation programmes in Germany. The goal of cardiac rehabilitation is the recovery of physical, psychic and social wellbeing in people with a severe heart condition. For this contribution the central outcomes of cardiac rehabilitation were compared between different rehabilitation programmes (inpatient and outpatient) and cost-effectiveness analyses were made. These results were obtained within the scope of an evaluation study commissioned by the statutory health and pension insurance agency. In summary, the different rehabilitation programmes can be regarded as comparable concerning effectiveness and costs following rehabilitation.

Activities of Daily Living↗
PubMedDate not supplied

[The quality of organization in cardiac rehabilitation--a comparison of inpatient and outpatient forms of service delivery].

Regarding the ongoing dispute on strengthening outpatient medical rehabilitation programmes, questions arise about the quality of different (organizational) forms of rehabilitation (inpatient and outpatient). The aim of this contribution is to draw a comparison between the structures and processes of inpatient and outpatient facilities for cardiac rehabilitation. Additional questions will be posed regarding the prerequisite factors for improving structures and processes in the quality assurance and management framework.

Ambulatory Care↗
PubMedDate not supplied

[Evaluation of outpatient rehabilitation: goals, conceptual framework and study design of a health and pension insurance joint research project].

In Germany the statutory health and pension insurance schemes are the main providers of medical rehabilitation, the majority of rehabilitation measures being given in an inpatient setting. Over the last few years, the health and pension insurance schemes have strengthened the extension of outpatient rehabilitation, and have funded a comprehensive evaluation study in this context. In this evaluation study outpatient rehabilitation in centres with different conceptual backgrounds is compared with inpatient rehabilitation in rehab clinics, indications considered being cardiology and orthopaedics. Overall, 14 rehab centres and more than 2000 patients were included in the project. The patients were interviewed and medically examined before and after the measure. A follow-up was done after six and twelve months. In addition to the rehabilitants themselves, the rehab centre physicians as well as the office-practice physicians were interviewed about the outcome of the rehab measure. One year after rehabilitation, data were collected from the relevant health and pension insurance funds concerning the benefits the patients had received. Due to the study's non-experimental design, validity of the results is confined to rehabilitants participating on an outpatient basis and who had been found medically suited for this type of rehabilitation, were capable of travelling to the rehab centre on their own within less than 45 minutes and had voluntarily opted for the outpatient setting. The findings of the study show that outpatient rehabilitants' motivation and expectations differ from those found in inpatient rehabilitation. The health economics analysis performed is restricted to the costs involved in the rehabilitation measure as such as well as the health-related benefits provided to the rehabilitants in the twelve-month study period. The issue of whether increasing outpatient rehab measures will lead to decreasing costs in the rehab system as a whole had not been considered in the framework of this project.

Ambulatory Care↗