Aim of databaseThe Danish Register of Chronic Obstructive Pulmonary Disease (DrCOPD) is a nationwide database aiming to describe the quality of treatment of all patients with chronic obstructive pulmonary disease (COPD) in Denmark.Study populationDrCOPD comprises data on all patients with a diagnosis of COPD. In the hospital setting, both in- and outpatients are included. In the setting of the general practice (GP), DrCOPD aims to include all patients with a COPD diagnosis who attend an annual control visit for COPD.Main variablesDrCOPD includes information on forced expiratory volume in 1 second, smoking status, body mass index, dyspnea, treatment modalities such as rehabilitation, smoking cessation, medical treatment, and the use of noninvasive ventilation during hospitalization due to exacerbations. The outcome variables include frequency of readmission and death 30 days after discharge from hospital.Descriptive dataSince 2008, the registration in the Danish hospitals has gradually become more comprehensive. In 2014, ~90% of 16,106 eligible patients had complete data sets that showed an improvement in the processes describing quality of care, including increased offering of smoking cessation, rehabilitation, and correct treatment with inhaled medication. Data from GPs have been included since 2011, but are still incomplete and comprise only ~20% of all COPD patients seen. The collection of data from GP settings has recently been hampered due to legislative controversies.ConclusionIn relatively few years, DrCOPD has become increasingly comprehensive and has documented an improvement in the management of COPD in Danish hospitals.

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Two metallothionein variants were purified from the midgut gland of crabs (Carcinus maenas) exposed to a high cadmium concentration (2 p.p.m.). One of the variants was purified from crabs exposed to a low cadmium concentration (0.5 p.p.m.). The purification method involved acetone precipitation, gel filtration and reversed-phase h.p.l.c. The complete amino acid sequences of both variants have been elucidated by m.s. and automated sequence analysis on S-methylated proteins or fragments produced by cleavage of the S-methylated proteins with Staphylococcus aureus proteinase. The two variants from crabs exposed to the high cadmium concentration differed only by a single residue of methionine at the N-terminus. The single variant isolated from crabs exposed to the low cadmium concentration was the one without the N-terminal methionine, indicating that high cadmium concentrations either inhibit the processing enzymes and/or that the processing enzymes cannot keep pace with the increased metallothionein synthesis when cadmium availability is high. Cadmium-induced metallothionein from C. maenas shows a high degree of structural similarity to metallothioneins from the decapod crustaceans Scylla serrata and Homarus americanus.

Cases of meningococcal conjunctivitis occurring in Denmark in the period 1982-1991 were reviewed. In a survey of laboratory reports, ten cases were identified. The meningococcal strains were characterized by serological grouping, typing and subtyping, and by antimicrobial susceptibility testing. Five cases were caused by serogroup B meningococci (B:15:P1.16, B:15:P1.6, B:4:P1.15) and five cases by serogroup C meningococci (C:2a:P1.2 (4 strains), C:14:NST). The median age of the patients was 12.5 months (range 7 days to 9 years). Signs of conjunctivitis were predominant; in addition, five of the patients had fever and general malaise. In one patient the same strain was recovered from blood and eye secretions. None of the patients had signs of meningitis. All meningococcal strains isolated from patients with meningococcal conjunctivitis were assumed to be virulent and had the same characteristics as strains causing meningococcal disease in Denmark within the same period.

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