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Biomedical subjects

A Gerber

Publications and source records attributed to A Gerber.

At least 73 records · Page 4Linked to original sources
PubMed1996

The relation of attachment status, psychiatric classification, and response to psychotherapy.

The relation of patterns of attachment and psychiatric status was studied in 82 nonpsychotic inpatients and 85 case-matched controls using the Adult Attachment Interview (AAI). AAI transcripts rated (masked to case vs. control status and treatment) were classified using M. Main and R. Goldwyn's (1991) system. Psychiatric patients, diagnosed with the Structured Clinical Interview for Diagnostic and Statistical Manual of Mental Disorders (3rd ed., rev.) I and II structured interviews, were more likely to be classified as preoccupied and unresolved with respect to loss or abuse. On Axis I, anxiety was associated with unresolved status, and AAI scales were able to discriminate depression and eating disorder. On Axis II, borderline personality disorder (BPD) was linked to experience of severe trauma and lack of resolution with respect to it. BPD patients were also rated significantly lower on a scale measuring awareness of mental states. Preliminary outcome results suggest that individuals rated as dismissing on the AAI are more likely to show improvements in psychotherapy.

Borderline Personality Disorder↗
PubMed1995

Bone mass at lumbar spine and tibia in young males--impact of physical fitness, exercise, and anthropometric parameters: a prospective study in a cohort of military recruits.

Bone mineral density (BMD) and bone mineral content (BMC) were measured using DXA at lumbar spine and tibial diaphyses at the beginning and at the end of a 15-week training period in 151 military recruits of the Swiss army belonging to 5 different troop categories (infantry grenadiers, tank drivers, tank gunners, signalmen, and privates) who each were exposed to physical training of various intensity. At baseline, height, body mass index, and degree of physical fitness independently correlated with vertebral and tibial BMD. Over the 15 weeks of physical training BMD at tibial diaphyses increased by 2.2 +/- 0.3% at the left leg (p = 0.0001) and by 1.1% at the right leg (p = 0.002) with differences between troop categories. At lumbar spine, BMD decreased significantly in tank drivers (-1.2 +/- 0.4%, p = 0.001) and particularly in infantry grenadiers (-2.1 +/- 0.4%) who had the most strenuous weight-bearing training, but not in other troop categories. This decrease was twice as large at the center of the vertebra than for the whole vertebra. These BMD changes were associated with increments in serum levels of osteocalcin and alkaline phosphatase activity. From the initial cohort, 48 subjects volunteered for a third investigation carried out 2 years after the end of the military training period. At this time, lumbar BMD and BMC had risen back to baseline, whereas at tibial diaphyses bone width and BMC but not BMD increased by 5.8 +/- 1.1% and 6.2 +/- 0.9%, respectively, vs. baseline (p = 0.0001 for both).(ABSTRACT TRUNCATED AT 250 WORDS)

Absorptiometry, Photon↗
PubMed1994

Cancellous bone graft for skeletal reconstruction. Muscular versus periosteal bed--preliminary report.

The purpose of this project was to verify the value of perfused periosteum as a possibly ideal bed for autogenous cancellous bone graft. The model consisted of a 7 cm defect in the sheep tibia, stabilized with a locked intramedullary nail. The defect was filled with conventional cortico-cancellous bone graft covered either with a muscle or a perfused osteoperiosteal flap. The incorporation of the graft was analysed by a series of radiological and mechanical examinations. The graft embedded in perfused osteo-periosteum was rapidly remodelled to a strong, circular bone. Mechanical testing revealed even better values than for normal bone. The graft embedded in muscle showed an important resorptive phase before scanty, incomplete, reconstitution of bone appeared. Mechanical properties were poor. The study supports the hypothesis that perfused osteo-periosteum is an ideal bed for cancellous bone graft and that perfused muscle is not the ideal environment for incorporation of the graft.

Animals↗
PubMed1994

Effect of mailbag design on musculoskeletal fatigue and metabolic load.

The need for an alternative mailbag to the conventional U.S. postal mailbag, which hangs at the side over one shoulder, was investigated. Based on the results of a pilot study, two types of alternative mailbags, both including waist support and one that splits the load into two parts, are recommended. The metabolic energy requirement and lateral trunk muscle fatigue resulting from the use of the alternative mailbags were compared with those resulting from the conventional U.S. postal mailbag. The alternative mailbags resulted in no significant change in metabolic load. Both alternative mailbags resulted in significantly less lateral trunk muscle fatigue. It is proposed that this reduction in fatigue would result in reduced musculoskeletal stress and reduced potential for back injury.

Adult↗
PubMed1992

Treatment of streptococcal endocarditis with a single daily dose of ceftriaxone sodium for 4 weeks. Efficacy and outpatient treatment feasibility.

UNLABELLED: OBJECTIVE--To evaluate the efficacy and safety of ceftriaxone sodium in the treatment of streptococcal endocarditis. DESIGN--An open, multicenter, noncomparative study with a follow-up of patients for 4 months to 5 years. SETTING--Internal medicine wards and outpatient clinics of hospitals of various sizes in three European countries. PATIENTS--Fifty-nine patients with defined criteria for streptococcal endocarditis. INTERVENTION--Ceftriaxone sodium administered at a once-daily dose of 2 g for 4 weeks. MAIN OUTCOME MEASURES--Clinical outcome and microbiological cure rate. RESULTS--Among the 59 patients, 55 completed the treatment and were followed up for 4 months to 5 years. No patients showed evidence of relapse. Treatment was completely uneventful in 42 patients (71%). A cardiac valve was replaced in four patients (7%) receiving antimicrobial therapy and in six patients (10%) who had completed antimicrobial therapy. One of the 10 valves taken for culture at surgery was positive, but only for microorganisms that were different from the microorganism isolated before the treatment. The treatment had to be interrupted in four patients because of drug allergy. Other side effects were mild except for two cases of reversible neutropenia. The treatment was easy to administer: 27 patients (46%) had no permanent intravenous catheter at any time, seven patients (12%) had such a catheter for less than 4 days. Twenty-three patients (39%) were discharged from the hospital less than 2 weeks after admission. CONCLUSIONS: --Ceftriaxone sodium administered at a once-daily dose of 2 g appears to be an effective and safe treatment of streptococcal endocarditis. In hospitals, this agent may be more convenient to administer than penicillin G with or without aminoglycosides. Some patients may even be treated as outpatients.

Adult↗
PubMed1991

[The treatment of heart insufficiency in coronary heart disease].

In acute as well as in chronic ischemic heart disease, congestive heart failure indicates a poor prognosis. Treatment after acute myocardial infarction should differentiate between specific subsets. In cardiogenic shock due to extensive ischemic damage, acute revascularization by PTCA or CABG improves the otherwise poor outcome substantially. In congestive heart failure, pre- and afterload reduction by nitrates should be combined with dopamine if systolic blood pressure is below 100 mmHG or dobutamine if an inotropic substance is necessary despite systolic blood pressure greater than 100 mmHg. Amrinone is a potent alternative which combines positive inotropic and vasodilating properties. In chronic ischemic heart disease, congestive heart failure is a clearly defined indication for complete revascularization, if possible. As to drug treatment, progression of the disease characterized by a cardiomyopathy of overload as well as neurohormonal and peripheral maladaptation should be stopped in parallel with symptom relief. Therefore, ACE-Inhibitors are combined very early with diuretic treatment, and digitalis should be added in refractory patients.

Amrinone↗