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Biomedical subjects

C Christen

Publications and source records attributed to C Christen.

12 recordsLinked to original sources
PubMed2002

[Ferrets in veterinary practice].

Ferrets (Mustela putorius furo) show up with increasing frequency in veterinary practice. Originally domesticated for hunting of rodents and rabbits, they became very popular pets which require legal permission though and the further fulfillment of various husbandry needs. Ferrets have to be maintained on a high protein diet which in practice is often done with commercial feline products. Physical examination is similar to dogs and cats whereas the frequent occurrence of non-specific symptoms require further diagnostic investigation including blood sampling, radiology, ultrasound or exploratory laparatomy. The preferred anaesthetic method is the direct face mask induction and maintenance using isoflurane without prämedication. Special attention of veterinarians has to be paid to canine distemper vaccination, the specialized reproduction physiology of the females (jills) which can develop, if unmated, a persistent oestrus with fatal consequences of hyperestrogenism, as well as the frequent occurrence of further endocrine disorders, congestive cardiomyopathy and gastrointestinal diseases.

Anesthesia↗
PubMed2002

Development of specific social skills training programmes for schizophrenia patients: results of a multicentre study.

OBJECTIVE: The efficacy of three newly developed cognitive social skills training programmes for residential, vocational and recreational functioning (experimental groups) were compared with a traditional social skills training programme (control group) referring to cognitive and social abilities, psychopathology and generalisation effects. METHOD: One hundred and five patients with a diagnosis of schizophrenia or schizoaffective disorder according to ICD-10 criteria were selected and assigned to the different treatment groups, using a matching procedure. The treatment phase lasted 6 months. A follow-up assessment was carried out after 1 year. RESULTS: Higher global therapy effects were obtained on almost all dependent variables in the experimental groups. Analyses of variance and covariance indicated higher symptom reduction for the experimental groups, but significantly greater improvements in some cognitive variables for the control group. Correlation analysis suggested associations between improvement of social behaviour with symptom reduction and improvements of cognitive skills. CONCLUSION: In view of these favourable effects, the developed cognitive social skills training programmes might facilitate the abilities of schizophrenia patients for their integration in the community.

Adult↗
PubMed2001

[Effects of new cognitive-behavioral therapy programs for improvement of specific social skills of schizophrenics--a controlled study].

Based on the Integrated Psychological Therapy (IPT) for schizophrenia patients, the Berne group developed three specific cognitive behaviour therapy programmes for treating residential, vocational, and recreational functioning. We added new cognitive-emotional methods to these programmes that were devised especially for schizophrenia patients, taking into consideration the criticism of traditional social skill training methods. In the present multicentre study, these new programmes (experimental group) were compared with a traditional social skills training programme (control group, IPT "Social Skills" subprogramme). Both the therapy and aftercare phase each lasted 12 weeks and the follow-up phase 1 year. Assessment instruments covered psychopathology, cognitive functioning, and social adjustment. Higher ratings of global treatment effects and significant reductions in symptoms were obtained in the experimental group. In view of the favourable results, these newly designed social skill training programmes may replace more conventional therapy approaches in the future.

Adult↗
PubMed1988

Parenteral nutrition in gynecology.

Over a three-year period, 88 gynecology inpatients received 99 courses of parenteral nutrition. Indications included a variety of circumstances in patients with both benign and malignant conditions. Complications were infrequent and generally without significant sequelae. A correlation was noted between nutritional status and clinical outcome, indicating a need for continued monitoring of nutritional status during parenteral nutritional support.

Female↗
PubMed1981

[Determination of leukemic B-lymphoma cells with the monoclonal antibody anti-Y 29/55].

The monoclonal antibody anti-Y 29/55 recognizes a group specific antigen on sessile human B-lymphocytes which do not belong to the recirculating lymphocyte pool. The occurrence of this antigen in malignant NHL, with or without leukemic state, and in other leukemias has been studied. The antigen was expressed on cells of various histologic B-cell types but not on leukemic cells of ALL, T-lymphoma, AML or CML. It is concluded that in malignant B-lymphoma, B-CLL and HCL, cells appearing in blood carry a marker characteristic of virgin or activated sessile B-lymphocytes. Anti-Y 29/55 permits differentiation of such cells from normal recirculating B-cells and other leukemic cells including ALL, AML and CML. In follow-up studies this antibody may be helpful in detecting early leukemic output. B-lymphocytic leukemia may reflect a disproportion between binding sites on the lymphatic reticulum and the neoplastic cells bearing this antigen, which might be involved in binding of B-lymphocytes to the supporting lymphatic reticulum.

Antibodies, Monoclonal↗
PubMed1981

[The diagnostic value of T- and B-rosette formation and the unspecific acid esterase in the differential diagnosis of acute and chronic leukemia].

The diagnostic significance of acid non-specific alpha-naphthyl-acetate (ANAE) and of rosette formation of leukemic cells with sheep and mouse erythrocytes was studied in 8 patients with acute myeloic leukemia (AML), in 4 patients with acute lymphatic leukemia (ALL) and in 14 patients with chronic lymphatic leukemia (CLL). ANAE showed typical diffuse cytoplasmic activity in all cases of AML. The enzyme activity was granular in both of the lymphoid malignancies, T-ALL and B-CLL, allowing differentiation from AML but not between B- and T-leukemia cells. Rosette formation with mouse erythrocytes (ME) was diagnostic in all 14 cases of CLL and superior to labeling of surface immunoglobulin (8 of 14 cases positive). ME-rosette forming myeloblasts were detected in 2 of 4 evaluated cases of AML. Rosette formation with sheep erythrocytes (SE), including cytological evaluation of rosette-forming cells, was diagnostic in all cases of ALL (= T-ALL). In 6 of 9 patients with AML, however, rosette formation with SE was observed in a few cells, including myeloblasts with Auer rods. The occurrence of blasts in myeloic leukemia carrying lymphoid cell markers is discussed in the light of recent findings, according to which lymphoblastoid cells may arise in the course of myeloic leukemia requiring antileukemic treatment different from that of AML.

Animals↗