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Biomedical subjects

S E R Hovius

Publications and source records attributed to S E R Hovius.

8 recordsLinked to original sources

Cold intolerance of the hand measured by the CISS questionnaire in a normative study population.

Cold intolerance has been recognized as one of the most disabling sequelae of upper extremity trauma, especially when neurovascular structures are involved. In this study, we aimed to describe cold intolerance in a normative study population, validate the Cold Intolerance Symptom Severity (CISS) questionnaire and define the threshold for abnormal cold intolerance. One hundred and eight volunteers participated in our study. In addition to the CISS score, information about age, gender and previous surgery or trauma to the upper extremity was obtained. There were no volunteers with previous peripheral nerve injury and subjects with a history of Raynaud's disease, upper extremity injury or surgery were excluded (n=40). The CISS scores of the study population (n=68) averaged 12.9 (SD 8.2). Age and gender were not correlated with CISS score. The upper 95% confidence interval of the CISS scores for healthy subjects is about 30. We suggest this value as a threshold for pathological cold intolerance.

Adolescent↗

Functional results after treatment of Volkmann's ischemic contracture: a long-term followup study.

The main objective of this retrospective study was to evaluate the long-term functional outcome in patients treated for Volkmann's ischemic contracture. In this study, functional outcome (measured as mobility, grip strength, and sensibility) and arm length difference after treatment of Volkmann's ischemic contracture were analyzed and discussed. Twenty-five patients treated between 1969 and 2001 were evaluated. The method of treatment was related to the severity of the infarction, ranging from conservative to free vascularized muscle transplantation. Although the study population was small, we could observe a wide range of functional outcome. Substantial improvement of function was obtained in patients who had free vascularized muscle transplantation. Unfortunately in one patient with an occlusion of the distal brachial artery and an insufficient flow through the collateral circulation of the radial artery, the gracilis muscle was lost. Tendon lengthening had unsatisfactory results because of recurrence of the contracture. Excision of fibrotic muscle tissue, neurolysis and tenolysis sometimes combined with a tendon transfer gave good hand function results in patients with sufficient remaining muscle tissue. In most of the patients in whom the contracture developed during childhood, a difference in forearm length was observed.

Compartment Syndromes↗

An economic evaluation of the use of TNP on full-thickness wounds.

OBJECTIVE: Topical negative pressure (TNP) (vacuum therapy) is frequently used in the management of acute, traumatic, infected and chronic full-thickness wounds. This prospective clinical randomised trial compared the costs of TNP with conventional therapy (moist gauze) in the management of full-thickness wounds that required surgical closure. METHOD: The direct medical costs of the total number of resources needed to achieve a healthy, granulating wound bed that was 'ready for surgical therapy' were calculated. RESULTS: Fifty-four patients admitted to a department of plastic and reconstructive surgery were recruited into the trial. Cost analysis showed significantly higher mean material expenses for wounds treated with TNP (414euros+/-229euros [SD]) compared with conventional therapy (15euros+/-11euros; p<0.0001 ), but significantly lower mean nursing expenses (33euros+/-31 euros and 83euros+/-58euros forTNP and conventional therapy respectively; p<0.0001). Hospitalisation costs were lower in theTNP group (1788euros+/-1060euros) than in the conventional treatment group (2467euros+/-1336euros; p<0.043) due to an on average shorter duration until they were'ready for surgical therapy'. There was no significant difference in total costs per patient between the two therapies (2235euros+/-1301euros for TNP versus 2565euros+/-1384euros for conventional therapy). CONCLUSION: TNP had higher material costs. However, these were compensated by the lower number of time-consuming dressing changes and the shorter duration until they were 'ready for surgical therapy', resulting in the therapy being equally as expensive as conventional moist gauze. DECLARATION OF INTEREST: This work was partly supported by the Plastic and Reconstructive Surgery Esser Foundation, and KCI Medical, Houten,The Netherlands. The authors have no conflicts of interest.

Combined Modality Therapy↗

Recording congenital differences of the upper limb.

Consistent classification of congenital differences of the upper limb is of paramount importance for the study of the pathogenesis. To overcome the inconsistencies of present classifications, a non-classifying recording method has been developed. This method records individual aberrations, including bone and soft-tissue defects. Between 1996 and 1998, a prospective study was performed to validate the method. Two hundred and thirty-one patients with upper limb differences were assessed, and all individual aberrations were recorded. These data can be transferred to any classification. It is concluded that the presented method will allow consistent grouping of patients without losing details about simple and complex differences.

Adolescent↗

Outcome of hand trauma: the hand injury severity scoring system (HISS) and subsequent impairment and disability.

This study was designed to evaluate correlations between the hand injury severity scoring system (HISS) and measures of impairment and disability obtained 6 months after a hand injury. A statistically significant positive correlation was found between the severity of the injury (HISS) and residual impairment, as measured with the American Medical Association's (AMA) "Guides to the evaluation of permanent impairment, 4th edition". No statistically significant correlation was found between the severity of the injury (HISS) and the Disabilities of the Arm, Shoulder and Hand (DASH) questionnaire, which measures disability from the patient's perspective. There was however a statistically significant correlation between AMA total body impairment measured and the results of the DASH questionnaire. The results indicate the potential of the HISS for predicting the final impairment after hand injuries.

Disability Evaluation↗

Quantifying thumb rotation during circumduction utilizing a video technique.

Thumb rotation is an essential component of circumduction in order to achieve pulp to pulp contact. In order to evaluate opponensplasty, a device was developed to quantify thumb rotation utilizing a special jig to hold the hand and video analysis. Twenty-seven healthy volunteers (12 female and 15 male) were tested to obtain normative data. Thumb rotation was measured as the difference in angle between the thumb in abduction and extension and maximal circumduction. Rotation angles varied from 70 degrees to 110 degrees. No gender or right/left differences could be detected. We concluded that comparing rotation of the non-injured hand to the injured hand in evaluating opponensplasties can be used as an accurate measurement of thumb circumduction and opposition.

Adult↗

Clinical value of electrodiagnostic testing following repair of peripheral nerve lesions: a prospective study.

This study prospectively assessed the level of correlation between functional and electrophysiological recovery after median and ulnar nerve lacerations. Motor and sensory recovery were recorded clinically and electrophysiologically every 3 months in 24 patients with 29 complete median or ulnar nerve lacerations. The strength of agreement between the clinical motor score and the electrophysiological score was "fair", but in 41% a discrepancy was identified (kappa factor 0.39). Regeneration was not detected earlier by electrophysiology than by a thoroughly performed clinical evaluation. This suggests that electrophysiologic testing is of value as an adjunct to clinical assessment for evaluating cases in which there is clinical doubt as to the progress of regeneration and secondary surgery is contemplated.

Adolescent↗