Biomedical subjects

Svein Blomhoff

Publications and source records attributed to Svein Blomhoff.

7 recordsLinked to original sources

PubMed2004

Visceral sensitivity in irritable bowel syndrome and healthy volunteers: reproducibility of the rectal barostat.

The reproducibility of rectal visceral sensitivity using the barostat double-random staircase method was evaluated. We tested 15 healthy women and 18 women with irritable bowel syndrome twice. Pressure, volume, and tension were measured at first sensation of gas, stool, and discomfort. There was no significant difference between test and retest. Three different indexes were used as measures of reproducibility. The intraclass correlation coefficients, considered to demonstrate acceptable reproducibility when higher than 0.80, ranged from 0.76 to 0.93 in the healthy volunteers and from 0.53 to 0.88 in the patients. The pooled coefficients of variation ranged from 10 to 24% in the healthy volunteers and from 11 to 49% in the patients. The repeatability coefficients are also given. The results indicate that barostat visceral sensitivity measurements in the rectum may be applicable when comparing groups of subjects.

Adult↗

PubMed2003

Exposure therapy and sertraline in social phobia: I-year follow-up of a randomised controlled trial.

BACKGROUND: Maintenance of treatment effect is important for the choice of treatment for social phobia. AIMS: To examine the effect of exposure therapy and sertraline 28 weeks after cessation of medical treatment. METHOD: In this study 375 patients with social phobia were randomised to treatment with sertraline or placebo for 24 weeks, with or without the addition of exposure therapy. Fifty-two weeks after inclusion, 328 patients were evaluated by the same psychometric tests as at baseline and the end of treatment (24 weeks). RESULTS: The exposure therapy group and the placebo group had a further improvement in scores on social phobia during follow-up: mean change in the Clinical Global Impression - Social Phobia overall severity score was 0.45 (95% CI 0.16-0.65, P < 0.01) for the exposure group, and 0.25 (95% CI 0.00-0.48, P < 0.05) for the placebo group. At week 52 the sertraline plus exposure group and the sertraline-alone group had a significant deterioration on the 36-item Short Form Health Survey compared with exposure alone. CONCLUSIONS: Exposure therapy alone yielded a further improvement during follow-up, whereas exposure therapy combined with sertraline and sertraline alone showed a tendency towards deterioration after the completion of treatment.

Adult↗

PubMed2002

[Functional somatic diseases--a review].

Functional somatic illness is a clinical concept used to define medically unexplained somatic symptoms considered to express psychological distress. Functional somatic illness may express underlying psychiatric disorders (e.g. fibromyalgia due to non-fearful panic disorder, irritable bowel syndrome due to bipolar disorder). Sustained physiological activation caused by stressful life events combined with catastrophic thinking may be another cause. Functional somatic illness may also be caused by classic conditioning of physiological responses that may have been triggered by biological or emotional stimuli. Operant conditioning may also be a cause. The therapeutic alliance relies on acceptance of the reality of the subjective complaints, without a priori acceptance of the patient's attribution of the cause of the symptoms. We recommend initial exploration of the patient's own ideas about aetiology, including appropriate medical tests. The physician should then change the agenda to a biopsychosocial perspective and identify current stressors and psychosocial variables that reinforce symptoms. Only a few randomised trials have been performed. They suggest that psychological treatment should be systematic and structured, with a focus on information, alternative ways of perception, and problem solving. Active forms of physiotherapy and psychopharmacological drugs may be of some benefit in selected patients.

Humans↗

PubMed2002

Continued symptomatic improvement three to five years after transmyocardial revascularization with CO(2) laser: a late clinical follow-up of the Norwegian Randomized trial with transmyocardial revascularization.

OBJECTIVES: The goals of this study were to assess late clinical outcome and left ventricular ejection fraction (LVEF) after transmyocardial revascularization with CO(2) laser (TMR). BACKGROUND: During the 1990s TMR emerged as a treatment option for patients with refractory angina not eligible for conventional revascularization. Few reports exist on clinical effects and LVEF >3 years after TMR. METHODS: One hundred patients with refractory angina not eligible for conventional revascularization were block-randomized 1:1 to receive continued medical treatment or medical treatment combined with TMR. The patients were evaluated at baseline and after 3, 12 and 43 (range: 32 to 60) months with end points to angina, hospitalizations due to acute myocardial infarctions or unstable angina, heart failure and LVEF. Mortality was registered and MOS 36 Short-Form Health Survey answered at baseline and after 3, 6 and 12 months. RESULTS: Forty-three months after TMR, angina symptoms were still significantly improved, and unstable angina hospitalizations reduced by 55% (p < 0.001). Heart failure treatment (p < 0.01) increased, whereas the number of acute myocardial infarctions, LVEF and mortality was not affected. Quality of life was improved 3, 6 and 12 months after TMR. CONCLUSIONS: Forty-three months after TMR, angina symptoms and hospitalizations due to unstable angina were significantly reduced, heart failure treatment increased and LVEF and mortality were seemingly unaffected.

Aged↗

PubMed2002

[Irritable bowel syndrome--a multifactorial disease in children and adults].

Irritable bowel syndrome is the most frequent gastrointestinal disorder in Norway. Though there has been huge research activity in the field, no proven single aetiology or effective treatment has emerged. Consensus-based clinical diagnostic criteria have not yet brought diagnostic clarity. Possibly, there are dysfunctions in the processing of sensory stimuli in the "brain-gut" axis that may cause visceral hypersensitivity and secondary motility changes. In some patients, a multifactorial explanation of the mechanisms is useful, including stressful life events or other psychological factors. Psychiatric co-morbidity is probably the most important maintaining factor. Irritable bowel syndrome may serve as a model for the study of the interaction between biological, psychological and social factors in functional disorders. A good therapeutic relationship between the physician and the patient is an important element in the treatment approach.

Adult↗

PubMed2002

[Chronic pelvic pain in women].

BACKGROUND: This paper reviews empirical and clinical evidence of the aetiology and treatment of medically unexplained chronic pelvic pain in women. MATERIAL AND METHODS: Clinical experience from an ongoing randomised treatment trial supplemented by computer-assisted reviews of studies obtained by a Premedline and Medline search (1996 to February 2002) and data from the Cochrane Database of Systematic Reviews and the EBM database of Abstracts of Reviews of Effectiveness. RESULTS: The aetiology of medically unexplained chronic pelvic pain is disputed but likely to be multifactorial. A history of interpersonal difficulties and a stressful life is common, and comorbid psychiatric disorders occur frequently. No treatment of choice emerges from the few controlled treatment trials, though a flexible biopsychosocial approach seems the most promising. INTERPRETATION: Empathic medical evaluation and follow-up within a biopsychosocial framework is recommended. Analgesic, hormonal and, if appropriate, surgical treatment can relieve pain. Additional benefits may be obtained by adding sensory awareness-directed physiotherapy aimed at changing painful muscle tensions, body attitude, movement pattern and dysfunctional respiration pattern. Co-morbid psychiatric disorders should be diagnosed and treated. Cognitive-behavioural stress management intervention aimed at improving coping with pain and current life-situation may be indicated in a subsample of patients.

Chronic Disease↗

PubMed2002

Psychiatric comorbidity and hostility in patients with psychogenic nonepileptic seizures compared with somatoform disorders and healthy controls.

PURPOSE: To investigate the prevalence of psychiatric comorbidity and level of anxiety, depression, and aggression in patients with psychogenic nonepileptic seizures compared with those in patients with somatoform disorders and healthy controls. METHODS: Twenty-three patients with psychogenic nonepileptic seizures (PNESs) and 23 age- and sex-matched patients with somatoform disorders (SDs) underwent a clinical and a semistructured psychiatric interview (MINI) and filled in the Hospital Anxiety and Depression scale (HAD) and the Aggression Questionnaire (AQ). Twenty-three sex- and age-matched controls without psychopathology also underwent a clinical interview and completed the HAD and AQ. RESULTS: PNES reported more minor head injuries in the past than did the two comparison groups, and more unspecific EEG dysrhythmias were observed on EEG. Twenty-one PNES patients and 18 with SDs had comorbid psychiatric diagnoses. However, the mean number of comorbid psychiatric diagnoses was higher in the PNES group (1.9 +/- 0.3 compared with 1.5 +/- 0.5 in the SD group; p = 0.003). Ten PNES patients additionally had a somatoform pain disorder, and seven had an undifferentiated somatoform disorder. Both patient groups reported significantly higher levels of anxiety, depression, and anger than did the healthy controls, but the PNES patients had significantly higher level of hostility than both comparison groups. CONCLUSIONS: Increased psychiatric comorbidity is known to be associated with poorer response to regular interventions, and hostility is associated with more hostile coping patterns, often interfering with treatment compliance. Thus the increased prevalence of soft neurologic signs and comorbid psychiatric disorders and increased hostility as well in the PNES group, emphasizes that assessment and treatment of patients with PNES referred to a tertiary center requires an integrated approach involving both neurologic and psychiatric resources.

Adult↗