['Advanced trauma life support' in Netherlands].
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Curriculum↗
Biomedical subjects
R J Goris
Publications and source records attributed to R J Goris.
[Optimizing antibiotics policy in the Netherlands. V. SWAB guidelines for perioperative antibiotic prophylaxis. Foundation Antibiotics Policy Team].
The Stichting Werkgroep Antibioticabeleid (SWAB, Foundation Antibiotics Policy Team) has issued guidelines for perioperative antibiotic prophylaxis in Dutch hospitals. Antibiotic prophylaxis is generally recommended for surgical procedures with relatively high postoperative infection rates and those in which consequences of infection are really serious. Studies have revealed that prophylaxis given within two hours before incision is most effective. Short-term, preferably single-dose prophylaxis, is as effective as multiple-dose prophylaxis in most procedures. For reasons of cost effectiveness and prevention of induction of resistance, single-dose prophylaxis is recommended. The antimicrobial agent of choice for perioperative prophylaxis should not be widely used as a therapeutic agent, should be selectively active against micro-organisms most frequently isolated from surgical site infections, and should have a plasma-half-life that makes single-dosing possible for most operations. Therefore cefazoline is an agent that is widely used for perioperative prophylaxis.
Antibiotic Prophylaxis↗
The Radboud skills questionnaire: construction and reliability in patients with reflex sympathetic dystrophy of one upper extremity.
PURPOSE: To construct a questionnaire to measure skills in which notably both hands are active, which is suitable for patients with a disease of one or both hands and to research its response stability and possible improvements. METHOD: Using the Dutch elaboration of the ICIDH and then experts in a Delphi round, the questionnaire was constructed. Thereafter, test-retest and inter-observer reliability was examined. Fifty-four patients with RSD in one upper extremity and a normal contralateral extremity participated in the study, the first twenty to evaluate the construction of the questionnaire and the others to test reliability. RESULTS: The constructed Radboud skills questionnaire was reliable in terms of response stability (median coefficients of variation 2.2% to 6.6%). Correlation's between categories of items were fair to good. CONCLUSIONS: A useful questionnaire was constructed to map alterations in the level of disability in patients with a disease of one hand or both hands.
Adult↗
Leg muscle reflexes mediated by cutaneous A-beta fibres are normal during gait in reflex sympathetic dystrophy.
OBJECTIVES: Reflex sympathetic dystrophy (RSD) is, from the onset, characterized by various neurological deficits such as an alteration of sensation and a decrease in muscle strength. We investigated if afferent A-beta fibre-mediated reflexes are changed in lower extremities affected by acute RSD. METHODS: The involvement of these fibres was determined by analyzing reflex responses from the tibialis anterior (TA) and biceps femoris (BF) muscles after electrical stimulation of the sural nerve. The reflexes were studied during walking on a treadmill to investigate whether the abnormalities in gait of the patients were related either to abnormal amplitudes or deficient phase-dependent modulation of reflexes. In 5 patients with acute RSD of the leg and 5 healthy volunteers these reflex responses were determined during the early and late swing phase of the step cycle. RESULTS: No significant difference was found between the RSD and the volunteers. During early swing the mean amplitude of the facilitatory P2 responses in BF and TA increased as a function of stimulus intensity (1.5, 2 and 2.5 times the perception threshold) in both groups. At end swing the same stimuli induced suppressive responses in TA. This phase-dependent reflex reversal from facilitation in early swing to suppression in late swing occurred equally in both groups. CONCLUSIONS: In the acute phase of RSD of the lower extremity there is no evidence for abnormal A-beta fibre-mediated reflexes or for defective regulation of such reflexes. This finding has implications for both the theory on RSD pathophysiology and RSD models, which are based on abnormal functioning of A-beta fibres.
Adult↗
Pathophysiology of shock in trauma.
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Complement Activation↗
Role of neutrophils in burn-induced microvascular injury in the intestine.
The present study evaluated burn-induced vascular permeability alterations of rat small intestine in vivo and assessed the effect of neutrophil depletion in burn-injured rats on the altered intestinal microvascular permeability. 125I-labeled bovine serum albumin (125I-BSA) was injected intravenously, and its leakage from circulation into the intestinal tissue was determined by measuring tissue counts of 125I-BSA. Compared with sham, vascular albumin permeability increased 1.7-fold on day 1 post-burn and 3.0-fold on day 3 post-burn in ileum. In the jejunum, albumin permeability increased 1.8- and 2.5-fold on day 1 and day 3 post-burn, respectively. Intestinal tissue edema, determined as increases in tissue water contents, was noted in both intestinal segments on day 1 post-burn; no further increase in edema was found on day 3 post-burn. Neutrophil depletion before burn injury prevented the vascular leakage of albumin and edema in the ileum and jejunum on day 1 post-burn. On day 3 post-burn, the effect of prior neutrophil depletion on vascular permeability was less marked, and edema formation was not affected at all. These findings indicate that an absence of neutrophils prevents the loss of intestinal vascular barrier properties only in the initial periods after burns.
Animals↗
Evaluation of three methods to rate impairment in patients with complex regional pain syndrome I of one upper extremity.
OBJECTIVE: To gain insight into the best way of obtaining an impairment rating in complex regional pain syndrome I (CRPS I) of the upper extremity. This syndrome can potentially result in permanent impairment. DESIGN: Comparison of three evaluation methods to obtain impairment scores. Each patient was seen by one tester; two testers in total participated in the research. SETTING: Outpatient clinic of a university hospital. SUBJECTS: Seventy-four patients (27 men, 47 women, mean age 52 years) with CRPS I of one upper extremity. MAIN OUTCOME MEASURES: Methods I and II were conducted according to the American Medical Association's Guides to the evaluation of permanent impairment method I according to the general guidelines, and method II according to the methodology specificially described for CRPS I. Method III was developed by the Dutch Association of Neurologists. For comparison, differences between methods were plotted against their mean ratings, with the limits of agreement. Also the paired t-statistics were calculated (alpha = 0.05/3). RESULTS: The mean difference between methods I and II was -0.7% whole body impairment, between methods II and III 8.1% and between methods I and III 7.3%. Outcomes obtained with method III differed significantly from the other outcomes. CONCLUSIONS: Method I most accurately and objectively reflected the permanent impairment level resulting from CRPS I.
Adult↗
Interleukin 10 mitigates the development of the zymosan-induced multiple organ dysfunction syndrome in mice.
We investigated the effect of interleukin 10 on the development of zymosan-induced multiple organ dysfunction syndrome (MODS) and on plasma concentrations and production capacity of tumour necrosis factor (TNF)-alpha by peritoneal cells. Groups of C57BL/6 mice received a single intraperitoneal injection with zymosan, a cell wall component of Saccharomyces cerevisiae, at day 0. Daily doses of human recombinant interleukin 10 (IL-10: 10 or 50 microg/kg) were given intraperitoneally either starting directly before administration of zymosan (day 0), or 5 or 8 days after administration of zymosan. The animals were monitored for survival, condition, body weight and temperature. On day 12 all surviving animals were killed to obtain plasma, organs and peritoneal cells. Plasma concentrations of TNF-alpha and lipopolysaccharide-stimulated production of TNF-alpha by peritoneal cells were measured; organ weights were registered as an indicator for organ damage. IL-10 improves survival and clinical condition and also reduces organ damage, but only at the highest dose used and only when started simultaneously with the administration of zymosan. Circulating TNF-alpha concentrations 12 days after zymosan are not affected by any of the IL-10 schedules used. However, lipopolysaccharide-stimulated production of TNF-alpha by peritoneal cells is increased, in a dose- and time-dependent fashion. The anti-inflammatory cytokine IL-10 is able to attenuate the development of MODS in this model, but only when given simultaneously with zymosan, and in high dosages.
Animals↗
A comparison of free radical-induced vascular and skeletal muscle damage in immunocompetent and neutropenic rats.
BACKGROUND: Intraarterial infusion of the free radical donor tert. -butyl-hydroperoxide (tert.-BuOOH) into one extremity of the rat induces vascular permeability and considerable skeletal muscle damage. However, it remains unclear what the role of polymorphonuclear neutrophils (PMNs) is in oxidative stress-related processes. Therefore, we investigated possible differences between neutropenic and normal animals in this model. METHODS: Neutropenia was induced in male rats by intraperitoneal administration of cyclophosphamide. tert.-BuOOH was continuously infused intraarterially into one hindlimb of normal or neutropenic nonanesthetized rats for 24 h. The control neutropenic rats were infused with the same volume of saline. After the infusion, 99mTc-IgG was administered intravenously followed by scintigraphic imaging analysis of the left/right uptake ratio of the hindlimbs and by gamma counting of the tissue samples of the gastrocnemius and gluteus maximus muscles. Samples of these muscles were analyzed by light microscopy. RESULTS: The uptake ratios were significantly increased in the normal and neutropenic tert.-BuOOH-infused animals as compared with the saline-infused neutropenic rats (P < 0.05). The uptake ratios were significantly higher in normal than in neutropenic tert.-BuOOH-infused rats (P < 0.05). Histological analysis of the saline infused skeletal muscles showed unaffected skeletal muscles with intact arterioles and arteries. In the gastrocnemius and gluteus maximus muscles of the normal tert. -BuOOH-infused and neutropenic rats, similar morphological damage was observed. CONCLUSIONS: PMNs can increase, to some extent, the vascular permeability of the free radical damaged small arteries and arterioles of a tert.-BuOOH-infused hindlimb. However, in the present animal model, tert.-BuOOH alone can induce oxidative stress-related abnormalities with skeletal muscle tissue damage that is mainly independent of the presence of PMNs.
Animals↗
Cost-effectiveness analysis of adjuvant physical or occupational therapy for patients with reflex sympathetic dystrophy.
OBJECTIVE: To study from a societal viewpoint the cost-effectiveness of adjuvant treatment for patients with reflex sympathetic dystrophy (RSD) of one upper extremity. DESIGN: A two-center randomized clinical trial comparing pairwise physical therapy (PT), occupational therapy (OT), and control treatment (CT). PATIENTS: One hundred thirty-five patients with RSD for less than 1 year participated. INTERVENTIONS: PT and OT were given according to protocols. For CT, services by social workers were offered. MAIN OUTCOME MEASURES: The Impairment-level Sum Score (ISS), the modified Greentest, and the Sickness Impact Profile (SIP) were used to determine effectiveness. Real medical costs, nonmedical costs, and productivity costs were distinguished and incremental cost-effectiveness ratios were calculated. Sensitivity analyses were performed on cost estimates. RESULTS: The ISS, but not the Greentest and SIP, showed a significant difference between PT versus OT and CT. The mean adjuvant treatment costs were significantly higher for PT (Netherlands Guilders [NLG] 1,726) and OT (NLG 2,089) compared with CT (NLG 903). The mean total medical costs were not significantly different for the groups (PT, NLG 8,692; OT, NLG 13,023; and CT, NLG 7,888) (intention-to-treat analysis). The sensitivity analyses showed a moderate influence of the cost estimates. CONCLUSIONS: PT results in clinically relevant improvement in RSD. Costs associated with adjuvant treatment are moderate compared to other medical costs. The incremental cost-effectiveness ratios of PT versus OT and CT were moderate or even dominant, thus PT was both more effective and less costly than its comparators.
Adult↗
Pain and reduced mobility in complex regional pain syndrome I: outcome of a prospective randomised controlled clinical trial of adjuvant physical therapy versus occupational therapy.
There are no adequate comparative studies on physical therapy (PT) versus occupational therapy (OT) in patients with complex regional pain syndrome I (CRPS I). Therefore, we conducted a prospective randomised clinical trial to assess their effectiveness. The outcomes regarding reducing pain and normalising active range of motion (AROM) are discussed. Included in the study were 135 patients who had been suffering from CRPS I of one upper extremity for less than one year. They were randomly assigned to one of three groups: PT, OT, or control (social work, CT). Measurements were taken at base-line (t0), after 6 weeks, and after 3, 6 and 12 months (t1 to t4). Pain was measured on four visual analogue scales (VAS) and the McGill Pain Questionnaire, Dutch Language Version (MPQ-DLV). The AROM was recorded relative to the contralateral side. Explorative statistical evaluations were performed (Wilcoxon; alpha=0.05). PT and to a lesser extent OT, resulted in more rapid improvement in the VAS scores than CT, especially for the VAS during or after effort (P<0.05 at t1 to t3). PT was superior to CT and OT according to the MPQ-DLV particularly at t4. Improvement on the MPQ-DLV over the year was significantly greater for PT than for OT and CT (P<0.05). PT -and to a lesser degree OT- led to better results than CT for the AROM of the wrist, fingers and thumb at t1 to t3 (most-times P<0.05 for PT), but the improvements over the year were not significantly different. Our results indicated that PT, and to a lesser extent OT, were helpful for reducing pain and improving active mobility in patients with CRPS I of less than one year duration, localised in one upper extremity.
Arm↗
The Symptom Checklist-90 Revised questionnaire: no psychological profiles in complex regional pain syndrome-dystonia.
Complex regional pain syndrome (CRPS) is a syndrome usually localized in the extremities, mostly occurring after a preceding trauma or operation. Dystonia is present in a minority of CRPS patients, but, when present, leads to severe disability. Various pathological factors have been postulated to present in CRPS-dystonia, such as involvement of the sympathetic system, reorganization of the central nervous system, and psychological distress. In the present study, we investigated the involvement of psychological distress in CRPS-dystonia with the aid of the Symptom Checklist-90 Revised (SCL-90R) questionnaire. The SCL-90R is a multidimensional self-report inventory covering various dimensions of psychological distress. In a population of 1006 CRPS patients, we analyzed the SCL-90R scores of 27 patients with CRPS-dystonia (23 female and 4 male) and compared the scores to sample scores of a control female (n = 577) and a control rehabilitation population (n = 56). Insomnia scored significantly higher in the female CRPS-dystonia population, as compared to the control female population (P < 0.001), and in the total CRPS-dystonia population, as compared to the rehabilitation population (P < 0.01). Remarkable was the significantly higher score of somatization in the rehabilitation population, as compared to the CRPS-dystonia population (P = 0.006). For the other dimensions of psychological distress of the SCL-90R, the scores of the CRPS-dystonia and control populations were similar. With regard to the SCL-90R scores, we conclude that specific psychological profiles are not present in CRPS-dystonia.
Adolescent↗
Acute abdomen in mentally retarded patients: role of aerophagia. Report of nine cases.
Between 1993 and 1996 nine mentally retarded patients presented because of an acute abdomen. All had the habit of aerophagia, diagnosed previously by a general practitioner. Massive distension of the bowel led to ileus, volvulus, and necrosis. After placement of a percutaneous endoscopic gastrostomy catheter or performing a gastrostomy during laparotomy with the intention to use as a desufflator, no recurrence of the signs and symptoms of an acute abdomen were observed.
Abdomen, Acute↗
Signs and symptoms in complex regional pain syndrome type I/reflex sympathetic dystrophy: judgment of the physician versus objective measurement.
OBJECTIVE: To assess the relation between the subjectively assessed and objectively measured diagnostic signs and symptoms in complex regional pain syndrome type I (CRPS I) and to quantify their severity. DESIGN: Diagnostic signs and symptoms were recorded in patients suffering from CRPS I of one upper extremity for less than 1 year. Independent assessors measured (a) pain by using four visual analog scales (VAS) and the McGill Questionnaire list of adjectives (MPQ), (b) edema with a hand volumeter, (c) skin temperature with an infrared thermometer, and (d) active range of motion (AROM) with goniometers. SETTING: Two university hospitals. PATIENTS: Ninety-five women and 40 men with CRPS I of one upper extremity. RESULTS: Four signs and symptoms were diagnosed in 50 patients, and five in the remaining 85 patients. The mean score for present pain intensity was 31.5 mm and that for pain resulting from exertion of the affected extremity was 71.9 mm. A median of 11.5 words was chosen from the MPQ, with the highest number from its evaluative part. The difference in volume between both hands was 30.4 ml. The mean difference in temperature between the two hands was 0.78 degrees C dorsally and 0.66 degrees C palmarly. The largest decrease in mobility was seen in the wrist and fingers; the thumb was relatively less affected and the little finger relatively more affected than the other fingers. CONCLUSIONS: Bedside evaluation of CRPS I with Veldman's criteria was in good accord with psychometric or laboratory testing of these criteria.
Adult↗
The gut: the 'motor' of multiple organ dysfunction syndrome?
Abnormal colonization, gut-origin infections, and bacterial translocation are all signs of gut dysfunction that may be implicated in the pathogenesis of multiple organ dysfunction syndrome (MODS). This review summarizes and updates relevant experimental and clinical data that have attempted to correlate these phenomena with the development of MODS and to answer whether or not the gut is the 'motor' of MODS. The presented data suggest that, in some patients, gut dysfunction may precede the development of MODS. However, in most patients, this relationship is less obvious. The gut may still be one of the motors of MODS; however, it does not appear that this motor is fueled by the systemic spread of bacteria. Bacteria may play a role on a local gut-associated level in initiating and perpetuating the production of local inflammatory mediators that may produce distant organ injury.
Animals↗
Objective and subjective assessments of temperature differences between the hands in reflex sympathetic dystrophy.
OBJECTIVE: A difference in temperature between the affected and normal extremity is one of the signs or symptoms of reflex sympathetic dystrophy (RSD). These temperature differences are scored anamnestically, by palpation, or by measurements. We investigated the relationship between objective and subjective differences in skin temperature between the hands. SUBJECTS AND DESIGN: Fifty-one patients with RSD of one upper extremity participated (mean age 55 years, range 18-80). In the first 16 we investigated the reliability of the visual analogue scale (VAS) for recording perceived differences in skin temperature. In the remaining 35 patients the relationship between the VAS and objective infrared radiometry of the hands was investigated. SETTING: Outpatients clinics of two university hospitals. RESULTS: The VAS was found to be reliable in terms of response stability. There was no significant correlation between the objective and subjective outcomes. CONCLUSIONS: There is lack of correspondence between objective and subjective temperature measurements, which may be due to a normal discrepancy between objective and perceived temperature, and/or to alterations in perception due to RSD.
Adolescent↗
A monoclonal antibody against tumour necrosis factor-alpha improves survival in experimental multiple organ dysfunction syndrome.
A single intraperitoneal administration of zymosan induces multiple organ dysfunction syndrome (MODS) in C57BL/6 mice. The authors investigated the effect of a monoclonal antibody V1q against murine tumour necrosis factor alpha (TNF-alpha) on the development of zymosan-induced MODS and on plasma concentrations and the production capacity of interleukin 6 (IL-6) by peritoneal cells. C57BL/6 mice received doses of V1q starting either simultaneously with administration of zymosan every four days, or from 4 or 8 days after administration of zymosan onwards. The animals were monitored for survival, condition, and body weight and temperature. Twelve days after zymosan all surviving animals were killed to obtain plasma, organs and peritoneal cells. Plasma concentrations of IL-6 and lipopolysaccharide-stimulated production of IL-6 by peritoneal cells were measured; organs were weighed as an indicator for organ damage and lung damage was assessed macroscopically. Survival improved when the animals were treated with V1q starting at either time point, and a subpopulation developed from the group receiving V1q from day 0 onwards that displayed improved body weight and temperature when compared to the animals receiving zymosan only. Also, the wet organ weights improved in this subgroup, indicating a beneficial effect of the monoclonal antibody. However, V1q administered could neither decrease the circulating IL-6 concentrations toward control values, nor did V1q treatment normalize IL-6 production capacity (stimulated or unstimulated). The development of zymosan-induced MODS can be attenuated by the monoclonal antibody V1q.
Animals↗
Reflex sympathetic dystrophy: model of a severe regional inflammatory response syndrome.
The systemic inflammatory response syndrome (SIRS) and acute reflex sympathetic dystrophy syndrome (RSD) share clinical signs of severe inflammation, a protracted course, and a similar problem of impaired oxygen utilization. The difference is that SIRS patients have these signs and symptoms systemically and are severely ill in the intensive care unit (ICU), whereas acute RSD patients are in good health and their problems are limited to one extremity. Both conditions seem to be the result of an exaggerated inflammatory response. As RSD patients have a healthy contralateral extremity, they may be their own control in various flux studies. It is hypothesized that this situation is exquisitely suitable for studying the pathophysiology of severe inflammatory responses in humans. Only a few patients are required to perform studies of, for example, oxygen metabolism and cytokine or oxygen radical production. Assessment methods may be utilized, such as nuclear magnetic resonance spectroscopy, which cannot easily be performed in ICU patients.
Animals↗