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  • 1
    Electronic Resource
    Electronic Resource
    The effect of 8 years of strict glycaemic control on peripheral nerve function in IDDM patients: the Oslo Study (1994)
    Springer
    Diabetologia 37 (1994), S. 579-584 
    Details
    ISSN: 1432-0428
    Keywords: Key words IDDM, nerve conduction velocity, neuropathy, intensified insulin treatment.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary We have investigated the effect of long-term strict glycaemic control on peripheral and autonomic nerve function in 45 IDDM patients (age 18–42 years, diabetes duration 7–23 years) without clinical signs of neuropathy or other neurological disease. They were randomly assigned to treatment either with continuous insulin infusion, multiple injections (4–6 times daily), or conventional treatment (twice daily) for 4 years and followed prospectively for 8 years. Motor and sensory nerve conduction velocities were measured at the start and after 8 years. Autonomic nerve function tests were performed only once, after 8 years. A significant reduction of nerve conduction velocity was observed during 8 years in patients with mean HbA1 more than 10 % (n =12, group mean 10.9 %, range 10.1–13.2 %) compared to patients with HbA1 less than 10 % (n =33, group mean 9.0 %, range 7.5–9.9 %). Change of motor nerve conduction velocity in the peroneal nerve was: –4.8±4.9 (SD) vs –2.2±5.3 m/s (p〈0.01). Change of motor nerve conduction velocity in the posterior tibial nerve was: –6.8±5.7 vs –3.9±5.1 m/s (p〈0.05). No significant changes were observed in the ulnar nerve. Change of sensoric nerve conduction velocity in the sural nerve was: –8.9±8.0 vs –4.6±5.3 m/s (p〈0.05). Multiple regression analysis showed that a change in HbA1 of 1 % resulted in a 1.3 m/s change in nerve conduction velocity during 8 years. A significantly lowered heart-rate variation during deep breathing (p〈0.05) and heart-rate response to standing (p〈0.01) was found in patients with HbA1 more than 10 % compared to patients with HbA1 less than 10 %. This study confirms that the long-term lowering of blood glucose retards the deterioration in nerve conduction velocity observed in the diabetic nerve. [Diabetologia (1994) 37: 579–584]
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00403376
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  • 2
    Electronic Resource
    Electronic Resource
    Glomerular charge selectivity and the influence of improved blood glucose control in Type 1 (insulin-dependent) diabetic patients with microalbuminuria (1992)
    Springer
    Diabetologia 35 (1992), S. 1165-1169 
    Details
    ISSN: 1432-0428
    Keywords: Type 1 (insulin-dependent) diabetes mellitus ; nephropathy ; microalbuminuria ; continuous subcutaneous insulin infusion ; metabolic control ; glomerular charge selectivity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary We first compared glomerular charge selectivity index in two matched groups of Type 1 (insulin-dependent) diabetic patients with micro and normoalbuminuria respectively, and secondly, investigated prospectively in a randomized clinical trial, the influence of improved metabolic control on selectivity index in diabetic patients with microalbuminuria. In Study 1, 27 patients with microalbuminuria (albumin excretion 〉-15 μg/min in at least two out of three overnight urine samples) were matched (age, diabetes duration, mean 1-year HbA1c, gender) with normoalbuminuria patients (n=24), and in Study 2, 23 microalbuminuric patients were randomly allocated to either intensive (continuous subcutaneous insulin infusion) or conventional treatment. Glomerular charge selectivity index was measured as IgG/IgG4 selectivity index, i.e. total IgG/IgG4 clearance ratio in timed overnight urine samples. The microalbuminuric patients had a significantly reduced selectivity index compared to the normoalbuminuric patients: 1.20 (0.92–1.40) vs 1.68 (1.22–2.21), median and 95% confidence interval (p〈0.01). In Study 2, the HbA1c improved in the intensive-treatment group compared to the conventional-treatment group: at 2, 6 and 12 months the difference in mean percentage HbA1c between the groups was 1.1, 1.2 and 1.4, respectively (p〈0.01). A sharp 50% increment in IgG/IgG4 selectivity index was seen in the intensive-treatment group during the first 6 months (p〈0.05 compared to the conventional group). We conclude that adolescents and young adults in an early stage of diabetic nephropathy have reduced glomerular charge selectivity, which may be improved by reducing the mean blood glucose level.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00401371
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  • 3
    Electronic Resource
    Electronic Resource
    Improvement of blood glucose control in IDDM patients retards the progression of morphological changes in early diabetic nephropathy (1994)
    Springer
    Diabetologia 37 (1994), S. 483-490 
    Details
    ISSN: 1432-0428
    Keywords: Key words Diabetic glomerulopathy, microalbuminuria, basement membrane thickness, mesangial expansion, mesangial matrix, stereology, hyperglycaemia.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary We investigated in a randomized, prospective study the influence of improved blood glucose control during 2–3 years in young insulin-dependent diabetic (IDDM) patients with microalbuminuria, which is indicative of early nephropathy. Patients were randomized either to intensive treatment by continuous subcutaneous insulin infusion (CSII) (n =9) or CT (n =9). Kidney biopsies were taken at baseline and after 26–34 months. End points were structural changes in the glomeruli. Sensitive, quantitative, morphometric methods were used. The blood glucose control improved significantly (p =0.01) during the study in the CSII-group as glycated haemoglobin (HbA1 c) fell from 10.1 % ([95 % CI] 8.9–11.3) to 8.6 % (7.9–9.2), but not in the CT-group, 10.1 % (8.3–11.9) vs 9.7 % (8.7–10.8). Mean HbA1 c during the study period was significantly lower in the CSII-group than in the CT-group, 8.7 % (8.1–9.3) vs 9.9 % (8.5–11.3), p =0.04. Basement membrane thickness (BMT) increased in both groups, most (CT vs CSII, p =0.03) in the CT-group: 140 nm (50–230) vs CSII: 56 nm (27–86). In the CT-group only an increase was seen in matrix/mesangial volume fraction (p =0.006) and matrix star volume (p =0.04). Furthermore, a positive correlation between mean HbA1 c during the study and change from baseline in BMT (r =0.70, p =0.001) and matrix/glomerular volume fraction (r =0.33, p =0.09, NS) was demonstrated. Albumin excretion rate correlated significantly to BMT and most of the matrix parameters. The present study shows that during a period of only 2.5 years, a close relationship between the level of mean blood glucose and progression of glomerular morphological changes in early diabetic nephropathy can be demonstrated. [Diabetologia (1994) 37: 483–490]
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001250050136
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  • 4
    Electronic Resource
    Electronic Resource
    The effect of 8 years of strict glycaemic control on peripheral nerve function in IDDM patients: the Oslo study (1994)
    Springer
    Diabetologia 37 (1994), S. 579-584 
    Details
    ISSN: 1432-0428
    Keywords: IDDM ; nerve conduction velocity ; neuropathy ; intensified insulin treatment
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary We have investigated the effect of long-term strict glycaemic control on peripheral and autonomic nerve function in 45 IDDM patients (age 18–42 years, diabetes duration 7–23 years) without clinical signs of neuropathy or other neurological disease. They were randomly assigned to treatment either with continuous insulin infusion, multiple injections (4–6 times daily), or conventional treatment (twice daily) for 4 years and followed prospectively for 8 years. Motor and sensory nerve conduction velocities were measured at the start and after 8 years. Autonomic nerve function tests were performed only once, after 8 years. A significant reduction of nerve conduction velocity was observed during 8 years in patients with mean HbA1 more than 10% (n=12, group mean 10.9%, range 10.1–13.2%) compared to patients with HbA1 less than 10% (n=33, group mean 9.0%, range 7.5–9.9%). Change of motor nerve conduction velocity in the peroneal nerve was: −4.8±4.9 (SD) vs −2.2±5.3 m/s (p〈0.01). Change of motor nerve conduction velocity in the posterior tibial nerve was: −6.8±5.7 vs −3.9±5.1 m/s (p〈0.05). No significant changes were observed in the ulnar nerve. Change of sensoric nerve conduction velocity in the sural nerve was: −8.9±8.0 vs −4.6±5.3 m/s (p〈0.05). Multiple regression analysis showed that a change in HbA1 of 1% resulted in a 1.3 m/s change in nerve conduction velocity during 8 years. A significantly lowered heart-rate variation during deep breathing (p〈0.05) and heart-rate response to standing (p〈0.01) was found in patients with HbA1 more than 10% compared to patients with HbA1 less than 10%. This study confirms that the long-term lowering of blood glucose retards the deterioration in nerve conduction velocity observed in the diabetic nerve.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00403376
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Blood glucose control and microvascular complications — what do we do now? (1994)
    Springer
    Diabetologia 37 (1994), S. 1172-1177 
    Details
    ISSN: 1432-0428
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00399789
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Blood glucose control and microvascular complications – what do we do now? (1994)
    Springer
    Diabetologia 37 (1994), S. 1172-1177 
    Details
    ISSN: 1432-0428
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00399789
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    The Multiligand α2-Macroglobulin Receptor/Low Density Lipoprotein Receptor-Related Protein (α2MR/LRP) (1994)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 737 (1994), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1994.tb44299.x
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  • 8
    Electronic Resource
    Electronic Resource
    Urinary albumin excretion rate and puberty in non-diabetic children and adolescents (1994)
    Springer
    Pediatric nephrology 8 (1994), S. 210-210 
    Details
    ISSN: 1432-198X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00865480
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  • 9
    Electronic Resource
    Electronic Resource
    Significance of skin temperature changes in surface electromyography (1991)
    Springer
    European journal of applied physiology 63 (1991), S. 345-348 
    Details
    ISSN: 1439-6327
    Keywords: Electromyogram amplitude ; Mean power frequency ; Dynamic exercise ; Temperature ; Soleus muscle
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Differing results have been reported concerning the direction and quantity of the electromyogram (EMG) amplitude response to changes in tissue temperature. The EMG signals from the soleus muscle of six healthy human subjects were therefore recorded during dynamic exercise (concentric contractions) at ambient temperatures of 30°C and 14°C. The mean skin temperature $$(\bar T_{sk} )$$ above the muscle investigated was 32.9° C and 21.7° C, respectively. The core temperature, estimated by rectal temperature, was unchanged. The cooling of the superficial tissues caused approximately a doubling of the EMG amplitude. For the probability level 0.9 in the amplitude probability distribution function, the average signal level increased from 73 μV to 135 μV (P=0.02). The average mean power frequency of the EMG signal was reduced from 142 Hz to 83 Hz (P=0.004). The amplitude increase was not due to shivering but other possible explanations are presented. As the changes in T sk investigated were within the range which may occur normally during the working hours, it was concluded that T sk should be carefully controlled in vocational EMG studies.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00364460
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  • 10
    Electronic Resource
    Electronic Resource
    The effect of prolonged isometric contractions on muscle fluid balance (1994)
    Springer
    European journal of applied physiology 69 (1994), S. 439-444 
    Details
    ISSN: 1439-6327
    Keywords: Shoulder ; Isometric contraction ; Ultrasound ; Fluid balance ; Muscle pain
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Ultrasound scanning was performed at three sites above the fossa supraspinata on nine healthy subjects and five patients with myofascial shoulder pain. This method produced a well-defined depiction of the soft tissue layers above the fossa supraspinata and reproducible muscle thickness measurements. In the healthy subjects the average distance from the skin surface to the trapezius muscle was 7.7 mm and the average thickness of the trapezius muscle was 5.3 mm, and the average thickness of supraspinatus muscle was 20.0 mm. The supraspinatus muscle was thinner at the medial measuring site than at the other two sites. In contrast, a tendency towards a larger distance was seen from the skin to trapezius muscle at the medial measuring site than at the other two sites. No statistical differences were found between the two groups of subjects either at rest or during brief shoulder abductions. All the subjects performed a 30° unilateral isometric shoulder abduction test to exhaustion. The median endurance time was 33 min for the healthy subjects and only 5 min for the patients. The ratings of perceived exertion (RPE) were in line with this, since the increment in RPE with time was larger for the patients than for the healthy group. The reduced shoulder abduction endurance time in the patient group may have been related to impaired muscle function and/or pain development. During the 33-min shoulder abduction in the healthy subjects, the thickness of supraspinatus muscle increased by 14%, indicating muscle swelling, whereas the thickness of trapezius muscle remained constant. The fluid imbalance in the supraspinatus muscle compartment may well play a role in the development of muscle fatigue and the disorders found in industry resulting from prolonged work with arms elevated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00865409
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