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Our model indicates that European firms across all size categories use trade credits to purchase 6%-15% of tangible fixed assets and 14%-30% of intangible assets in the short-run. A long-run target adjustment model shows that large firms eventually replace most of this temporary trade credit financing with cheaper sources of funds. However, even in the long-run, small firms finance 4%-6% of tangible fixed asset purchases and 5%-10% of intangible fixed asset purchases using trade credit. Since smaller firms do not have the same access to bank credit as larger firms, trade credit is used to fund long-term investments Trade credit is therefore a key component in the capital structure decisions of smaller firms and it should be included in their weighted-average cost of capital calculations., Competing Interests: The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (© 2023 The Authors. Published by Elsevier Ltd.)

Introduction: Septic arthritis after knee arthroscopy requires in-patient treatment and should thus be reported to the National Patient Registry (NPR). It also meets the requirements for financial compensation if claimed to the Danish Patient Insurance Association (DPIA). The aim of this study was to assess data from the two independent data sources, the NPR and DPIA, with a view to comparing the registration of septic arthritis after knee arthroscopy., Material and Methods: This was a retrospective study assessing two three-year periods. From the NPR, we initially received all contacts coded as arthroscopic knee surgery. A second NPR query was made for patients found in the first query who had had a hospital contact within 30 days postoperatively with codes indicating septic arthritis (450 patients). Correspondingly, the DPIA files of patients claiming an infection following knee arthroscopy were searched to identify those (157 patients) with post-arthroscopic septic arthritis., Results: We found poor agreement between the 450 patients in the second NPR data extraction and the 157 verified patients from the DPIA. Only 105 patients from DPIA were found in the NPR, while 52 patients in the DPIA were not returned as part of the second NPR data extraction., Conclusion: Coding of infections after arthroscopy in the NPR is inconsistent and incomplete. An underreporting of septic arthritis to the DPIA might exist.

The 137Cs activity of salt marsh and tidal flat sediments of the northern part of the European Wadden Sea was studied based on a comprehensive dataset of 210Pb dated cores. The 137Cs inventory of salt marsh sediments shows a major peak corresponding to the Chernobyl accident in 1986, and a minor peak located in the late 1960s interpreted as the combined effect of atmospheric testing of nuclear weapons. Emissions from the nuclear reprocessing plant Sellafield are not reflected as peaks in 137Cs activity, but may contribute to the rising 137Cs activity in the years prior to 1986. The 137Cs activity of tidal flat sediments differs from salt marsh sediment in two respects. First, the activity is much lower and, second, the major peak in the 1980s is located in the beginning instead of in the middle of the decade. The differences in 137Cs inventory between the two environments are interpreted to result from repeated cycles of deposition/resuspension and mixing on tidal flats. A simple model illustrating the consequence of mixings returns an apparent shift of major peaks in 137Cs activities backwards in time corresponding to the mixing depth divided by the deposition rate.

Background: A considerable number of patients require opioids during recovery after laparoscopic sterilization. This implies nausea, dizziness and sedation and increases the number of unplanned admissions. Gabapentin has shown excellent postoperative analgesic effect in a number of recent studies with few side effects. This study was designed to test whether gabapentin given preoperatively can reduce the number of patients needing morphine in the recovery period., Methods: 80 females scheduled for laparoscopic sterilization using Filshie clips were randomized to two treatment groups (Gaba group and control group). All patients received lornoxicam 8 mg p.o. 30 min. before the procedure. Patients in the Gaba group received gabapentin 1200 mg p.o. and patients in the control group received placebo capsules prior to the procedure. All patients were anesthetized according to a protocol, using remifentanil and propofol. Postoperative analgesia was obtained with patient controlled infusion of morphine. Pain, nausea, dizziness and sedation were scored at 2 and 4 hours after end of anesthesia. The expenditure of morphine was the primary measure for the effect of analgesia and the number of patients demanding morphine was the primary endpoint., Results: Three patients were excluded because of procedural errors and one because of conversion to open surgery. 38 patients completed the study in each group.32 (84%) patients in the gabapentin group and 37 (97%) patients in the control group did require morphine in the recovery period. (p = 0,049). There was no significant difference between mean morphine consumption, pain scores and frequency of adverse effects (nausea, dizziness, sedation and vomiting), Conclusion: The postoperative analgesic effect of gabapentin given preoperatively was confirmed in this study. For this procedure, with pain predominantly in the immediate recovery period, and of less intensity than after major surgical procedures, the effect demonstrated is much less pronounced than in similar studies of major surgery. General use of gabapentin as analgesic for laparoscopic sterilization is not supported by this study., Trial Registration: Current Controlled Trials ISCRTN39209275.

Background: As day surgery includes more extensive procedures focus should be put on late outcome. The frequency of day surgery-related return visits and the associated morbidity were examined to identify suitable indicators of quality., Methods: From two centres, 16,048 patients underwent 18,736 day surgery operations including 4,829 surgical abortions. Patients were retrospectively analysed for contacts to Danish hospitals within 60 post-operative days and the associated morbidity and mortality. Data were obtained from the Danish National Patient Registry and the National Causes of Death Registry. Patient records were studied to validate contacts as being definite, likely, possible or not related., Results: Altogether 113 patients (not including the surgical abortions) were readmitted to hospitals with 117 complications definitely or likely related to day surgery. The most common complications were haematomas or haemorrhage (0.40%) and infections (0.29%). Morbidity after the two most common procedures, hernia repair and knee arthroscopy, was observed in 1:39 patients and 1:220 patients, respectively. More serious complications included four patients with septic arthritis of the knee and six patients with venous thromboembolism. After surgical abortion, pelvic inflammation and bleeding were observed in 3.1% and 2.2%, respectively, with centre differences. Altogether no myocardial infarctions, central nervous system deficits, pneumonias or deaths were recorded that could definitely or likely be related to day surgery., Conclusion: Day surgery in Denmark is a safe practice. Readmission rates, haematomas and wound infections are likely future indicators of outcome quality after day surgery.

The interscalene technique for brachial plexus anaesthesia is described. The method is suitable for anaesthesia of the upper extremity, especially when anaesthesia of the proximal part of the arm and the shoulder region is desired. The technique is also useful in paediatric cases. Side effects are few, but the risk of paralysing of the diaphragm makes this method inappropriate for patients with severe respiratory disease.