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Biomedical subjects

K Stappaerts

Publications and source records attributed to K Stappaerts.

12 recordsLinked to original sources
PubMed2003

Low back pain in Flemish adolescents and the role of perceived social support and effect on the perception of back pain.

AIM: To document the prevalence of low back pain (LBP) in Flemish adolescents and to recognize the association between perceived social support and affect and medical consultation and reduction of activities. METHODS: The study comprised 620 adolescents. A questionnaire was used to elicit the characteristics of LBP. Perceived social support and affect were investigated using the Personal Resource Questionnaire (PRQ) and the Positive Affect Negative Affect Scale (PANAS), respectively. Comparisons were made between adolescents with LBP and adolescents without LBP. Within the LBP group, answers from adolescents appealing for medical advice were compared with those who did not seek advice. Another comparison was done between adolescents who reduced their activities and those who did not. Descriptive statistics, the median test for two samples, a chi2 test or Fisher's exact probability test and logistic regression analysis were used for data analysis. RESULTS: Month prevalence of LBP was 24.7%. Thirteen adolescents visited a physician or received treatment, pain severity being the sole factor associated with the decision. Fifteen adolescents reduced their sports activities and 11 reduced or stopped other leisure activities. Pain severity and negative affect were the main associated factors. CONCLUSION: The results of the present study encourage further research on the role of pain perception and the influence of psychosocial factors on back pain in adolescents.

Adolescent↗
PubMed2001

Silicones in the rehabilitation of burns: a review and overview.

This article gives an overview of the use of silicones in the treatment and prevention of hypertrophic (burn related) scars. Of all non-invasive treatment modalities the use of continuous pressure and occlusive contact media, e.g. silicones, seem to be generally accepted as the only ones that are able to manage hypertrophic scarring without significant side-effects. A summary of the current opinions of the assumed working mechanisms of pressure as well as silicones is given. The use of silicones, either alone or in combination with pressure, is discussed. The recent development of custom made silicone devices has led to combinations of both modalities. Some of these, including the inflatable silicone insert systems (ISIS), are shown and discussed.

Bandages↗
PubMed2001

Reproducibility of repeated measurements on healthy skin with Minolta Chromameter CR-300.

BACKGROUND/AIMS: In this report the reproducibility of measurements with the Minolta Chromameter CR-300 on healthy skin was investigated. METHODS: Intra- and inter-rater reproducibility, reproducibility with two instruments and repeated measurements with a 1 week time lapse were examined on healthy skin of 30 volunteers by means of intra-class correlation coefficients (ICC) and standard error of measurements (SEM). RESULTS: Results showed excellent values for ICC in all the four conditions. CONCLUSIONS: On the basis of these results we concluded that the instrument provides reliable information and can be used in comparative clinical trials.

Adult↗
PubMed2000

Do posture and straining influence urinary-flow parameters in normal women?

The influence of posture of the pelvis and straining on urinary flow was investigated in 21 normal women, mainly physiotherapists, who were asked to urinate on an uro-flow chair at their usual time and frequency. Subjects were at random instructed to urinate in five different test situations: anteversion, anteversion with straining, retroversion, retroversion with straining, and forward bending without straining. The urinary-flow parameters investigated were volume, peak flow, time to peak, peak-to-end time, total time, and mean flow. The analysis was done by means of analysis of variance but only for micturition volumes >150 mL. The morphology of the urinary-flow curves was examined for the presence of irregularities and increasing (after top) or decreasing (for top) curve tops and after-dribbling. Results demonstrated no significant differences for peak flow, total time, and mean flow in the anteversion, retroversion, and the forward-bending position. This holds for test situations and re-test controls. However, straining increased the peak flow and mean flow rates in all positions and in all women, whereas it reduced the total voiding time. The voided volumes were lowest in anteversion. Irregularities were less frequent in the forward-bending position. It can be concluded that the forward-bending position is the most preferable urinating position to relax the pelvic floor muscles. Neurourol. Urodynam. 19:3-8, 2000.

Adult↗
PubMed2000

Comparison of self-administration and face-to-face interview for surveys of low back pain in adolescents.

UNLABELLED: The aim of this study was to compare self-administration with face-to-face interview in the investigation of low back pain in adolescents. Fifty-seven adolescents with low back pain (mean age 17.3 y; range 16-18) first completed a questionnaire and were then invited to an interview. Analysis included item completion, percentages of agreement and weighted kappa. Item completion rates were high and comparable between self-administration and interview. Information between both methods was analogous for severity and localization of problems, sleep behaviour, medical consultation and sports/leisure activities. Onset, progression, duration of low back pain and some items on the influence of movement/positions presented less comparable data. CONCLUSION: Even when two different methods of data acquisition are used, results suggest that the method used does not change the interpretation of results in the case of most items.

Adolescent↗
PubMed2000

Visual analogue scale for the perceived influence of exertion and movements/positions on low back problems in surveys of adolescents.

UNLABELLED: The test-retest reproducibility of visual analogue scales for the perceived influence of exertion and movements/positions on low back problems in adolescents was investigated. The study was performed on 61 adolescents with low back problems. Item completion, median score, interquartile range and weighted kappa were calculated. Results showed that visual analogue scales produce repeatable information for all items tested (weighted kappa: 0.59-0.83), except for the influence of pulling materials on back problems (0.45). CONCLUSION: The results of this study suggest that adolescents, aged 16-18 y, can reproduce their visual analogue scores.

Adolescent↗
PubMed1999

Reproducibility of a survey questionnaire for the investigation of low back problems in adolescents.

A test-retest design was used to investigate the reproducibility of the results obtained using a survey questionnaire for low back problems in adolescents. A 1-wk interval between test and retest was chosen. Participants were recruited from four schools. Selection of schools was based on geographic location, size of the school and educational level. Sixty-seven adolescents (mean age = 16.62 y; SD = 0.57; range = 16-18) suffering from low back problems agreed to participate. A questionnaire on perceived characteristics of back problems and functional limitations was designed. Item completion rate and the reproducibility of results were investigated by means of percentage agreement and (weighted) kappa. High levels of reproducibility were found for items that evaluated perceived characteristics of back problems and functional limitations (Kw = 0.70-0.93). Results suggest that the questionnaire used in the present study provided reproducible information. Detailed information on low back problems in adolescents could be obtained using this questionnaire.

Adolescent↗
PubMed1998

Effect of forearm rotation on grip strength.

Forearm rotation affects grip strength. In a study with 40 volunteers, an overall decrease in grip strength was observed when the forearm rotated from pronation to supination. In males grip strength in pronation was significantly lower compared to the neutral and supinated position, with the wrist free as well as in an immobilized wrist position. In females this was only observed with a free wrist position, but with the wrist immobilized, the grip strength was higher in supination compared to neutral and pronation.

Adult↗
PubMed1988

Internal stabilization after external fixation of fractures of the shaft of the tibia: sense or nonsense?

A series of 95 patients with fresh fractures of the shaft of the tibia, treated primarily with a Vidal-Adrey transfixation frame, was studied retrospectively. Only 20 fractures (21.0 per cent) attained clinical and radiological consolidation within 4 months after injury. Pseudoarthrosis was seen in 12 patients (12.9 per cent). The external fixator was attached for an average time of 25.0 weeks. Pin loosening was seen in seven patients (7.3 per cent), minor pin track infection in nine (9.4 per cent) and major pin track infection in three (3.1 per cent). In 31 patients (32.6 per cent) a second operative procedure was necessary to accelerate fracture healing. In 17 patients an autologous bone graft was carried out with the external fixator in place. Internal stabilization was performed after removal of the external fixator frame in 14 cases, at an average time of 9.4 months after injury. In difficult fractures we feel that change from external to internal fixation should be performed earlier; it makes early removal of the fixator pins possible and prevents the problems associated with prolonged use of fixator frames. The internal fixation, eventually combined with a transplantation of cancellous autografts, creates a mechanical and biological stimulus for bone consolidation. Functional recovery may also be improved because of a shorter healing time.

Adolescent↗
PubMedDate not supplied

A plate osteosynthesis for femoral shaft fractures in adults.

Between 1978 and 1982 154 femoral shaft fractures were treated in 145 adults in our department of general surgery and traumatology. 52 fractures were nailed intramedullary. We reserved the intramedullary nailing for ideal cases like the transverse and the short oblique fractures in the middle 3/5 of the shaft. 102 fractures were treated by a dynamic compression plate applying the AO principles correctly. Condylar plates were not included in this study. 88 patients with 95 FSF were followed up. In our prospective study a significant relationship was found between the types of fractures, the consolidation, the rehabilitation (including walking), the hospitalisation time and the full weight-bearing results. The prognosis for simple fractures was better than for comminuted fractures. Polytrauma patients showed a significantly slower limb rehabilitation, a longer hospitalisation and a worse clinical result than patients with isolated fractures. A significant relationship was shown between the mobility of the knee and the localisation of the fracture. In the beginning of our study we thought a delayed osteosynthesis (1-2 weeks) should lead to a faster consolidation but afterwards we didn't notice any significant difference with the early operation. General complications were restricted to one fat embolism. Important bone shortening (greater than or equal to 2 cm) was only measured 4 times (4.2%). Distinct rotation or angulation deformities were not observed. Bone infection occurred twice (2.1%). All but two of the 9 comminuted fractures healed within a year in spite of an initial delayed union.

Adult↗