[Nephrotic syndrome--better therapeutic possibilities].
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Humans↗
Biomedical subjects
H Løkkegaard
Publications and source records attributed to H Løkkegaard.
Prevalence and causes of albuminuria in non-insulin-dependent diabetic patients.
A prospective study of the prevalence and causes of persistent albuminuria (greater than 300 mg/24 hr) was conducted in non-insulin-dependent diabetic (NIDDM) patients, age less than 66 years, attending a diabetic clinic during 1987. All eligible patients (N = 370) were asked to collect at least one 24-hour urine sample for albumin analysis. Urine collection was obtained in 224 males and 139 females (98%). Fifty patients (7 women) suffered from persistent albuminuria (13.8%). The prevalence of albuminuria was significantly higher in males (19%) than in females (5%). A kidney biopsy was performed in 35 patients (70%). The kidney biopsies revealed diffuse and/or nodular diabetic glomerulosclerosis in 27 patients (77%), while the remaining eight patients (23%) had a variety of non-diabetic glomerulopathies, such as minimal lesion and mesangioproliferative glomerulonephritis. Diabetic retinopathy was present in 15 of 27 patients (56%) with diabetic glomerulosclerosis, while none of the eight patients with a non-diabetic glomerulopathy had retinopathy. Our cross sectional study has revealed a high prevalence of albuminuria and of non-diabetic glomerulopathy as a cause of this complication in NIDDM patients. Presence of diabetic retinopathy strongly suggests that a diabetic glomerulopathy is the cause of albuminuria. Albuminuric non-insulin-dependent diabetic patients without retinopathy require further evaluation, that is, kidney biopsy.
Aged↗
Intravenous versus subcutaneous administration of recombinant human erythropoietin in patients on haemodialysis and CAPD.
The most effective route of administration of rHuEpo is still a matter of discussion. Prospectively we studied subcutaneous (s.c.) versus intravenous (i.v.) administration in three comparable groups of patients; HD-s.c. (n = 9), HD-i.v. (n = 11), and CAPD-s.c. (n = 9). All the groups initially received 50 units/kg three times weekly. During the first 8 weeks dose adjustments were made only if target haemoglobin exceeded 11.3 g/dl (7 mM). Target haemoglobin was reached after 84 (42-98) days in the i.v. group and 42 (14-77) and 42 (28-56) respectively in the HD-s.c. and CAPD groups. The difference was statistically significant (P less than 0.05). Even the cumulative doses to reach target haemoglobin were significantly less in the two s.c. groups. To maintain haemoglobin at about 11.3 g/dl, weekly doses were as follows: HD-i.v. 125 U/kg (86-168), HD-s.c. 63 U/kg (20-85), and CAPD 72 U/kg (31-100). The total observation time after the target haemoglobin level was reached, was median 130 (114-264) days. The difference between the i.v. group and the two s.c. groups was statistically significant, (P less than 0.05) whereas there was no difference between the s.c. groups. We conclude that s.c. administration of rHuEpo is more effective in induction as well as in maintenance therapy and that s.c. administration is equally efficient in HD and CAPD patients.
Adolescent↗
The impact of repeated HLA mismatches on the outcome of renal allograft retransplantation.
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Adult↗
Is initial (24 hours) lavage necessary in treatment of CAPD peritonitis?
A randomized trial was conducted to examine the influence of initial lavage on treatment of CAPD peritonitis. Patients with hypotension and shock were excluded from the trial. Thirty-six CAPD patients with acute peritonitis were randomized to treatment with intraperitoneal antibiotics including either initial 24 hours lavage before resumption of routine CAPD schedule (prior standard approach) or continued prolonged exchanges as in routine CAPD schedule. Median time to solved infection (normalization of white cell count in dialysis effluent) was identical (3 days) in the two groups. Treatment success rate was found to be 72% in the group with initial lavage and 89% in the group with prolonged exchanges. The difference in treatment success (17%) in favour of continued CAPD schedule was not found significant (95% confidence limits--1% to 35%). The results suggest lavage to be of no clinical benefit in treatment of CAPD peritonitis in patients without profound hypotension and shock.
Acute Disease↗
Paramedian versus midline incision for the insertion of permanent peritoneal dialysis catheters. A randomized clinical trial.
A randomized trial was conducted to examine the influence of the site of catheter insertion on the mechanical complications associated with the use of peritoneal dialysis catheters (pericatheter leakage/herniation and tip migration). 37 patients requiring a dialysis catheter for future CAPD were randomized to insertion by either a midline (prior standard approach) or a lateral incision (new approach). Thirteen catheters (6 midline, 7 lateral) failed for mechanical reasons--mainly irreversible tip migration. The one year estimated catheter survival without mechanical failure was found to be similar in the two groups: midline (59%) and lateral (51%), (0.4 less than p less than 0.5).
Catheterization↗
Is renal osteodystrophy reversible?
In order to investigate the possible reversibility of renal osteodystrophy, eleven necrograft recipients were investigated six years after transplantation, when treatment with prednisone had been withdrawn for 1.5 years. Serum ionised calcium, phosphorus, alkaline phosphatases, PTH, skeletal radiography, Technetium polyphosphate (Tc-PP) bone scintigraphy and radial bone mineral content (BMC) were studied. Normal blood biochemistry, radiography and Tc-PP scintigraphy were found in nine (82%) of the patients, in contrast to the considerably higher frequency of abnormalities ordinarily found in haemodialysis patients. However, the radial BMC was significantly reduced (mean 13.5%) and identical with the BMC value in haemodialysis patients. We conclude that some regression of renal osteodystrophy may take place after a successful kidney transplantation, but that decreased mineralisation of the appendicular skeleton persists. Whether this latter finding is due to long-term steroid treatment or is an indicator of an irreversible component in renal osteodystrophy cannot be stated.
Adult↗
Permanent withdrawal of prednisone in nekro-kidney transplantation.
Starting 2.5 (2.0-3.9) years after grafting prednisone (but not azathioprine) has been gradually reduced below the conventional maintenance dose of 10 mg per day in 43 and has up until now eventually been completely withdrawn in 23 out of 47 consecutive patients with a first nekro-kidney transplant, which was well functioning at 2 years after transplantation. There appeared to be an increased risk of rejection during reduction of prednisone from 10 to 2.5 mg per day, but 20 out of the 23 patients in whom prednisolone has by noe been completely withdrawn have maintained stable and normal graft function over an average period of 1.6 (0.1-3.0) years on zero prednisone.
Age Factors↗
Experimental and clinical experiences with long-term kidney preservation by use of simpel hypothermia.
In an experimental work published in 1973, it was found, that it was possible to preserve pig kidneys with up to one hour of warm ischemia for 24 hours using pretreatment with chlorpromazine and subsequent preservation with simpel hypothermia (Collings C2-solution). Clinical experiences with this method are now presented and confirm, that this method allows preservation of ischaemic damaged kidneys for about 24 hours.
Animals↗