Postpartum microangiopathic haemolysis complicating severe preeclampsia.
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Biomedical subjects
Publications and source records attributed to B Ihle.
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Renal failure due to cholesterol embolisation is an uncommonly recognised condition. It is usually associated with severe aortic atherosclerosis and in most cases follows a vascular event, such as angiography, vascular surgery, or aneurysm rupture. We report nine patients, all males, who presented to our unit. Six patients survived the initial event, although two died six and eight weeks later. This report emphasises that, although this condition has a high mortality, long term survival is not a rare event.
Hyperparathyroidism is a common complication of chronic renal failure. Although many patients can be managed by conservative measures, surgery is sometimes necessary. One of two operations can be performed: subtotal parathyroidectomy or total parathyroidectomy with reimplantation of parathyroid tissue into muscle. A case is presented of a patient who underwent the first and then the second of these procedures for recurrent hyperparathyroidism. A further recurrence was found to be caused by the implanted parathyroid tissue in a forearm muscle, requiring a third procedure for control of the disorder.
Wegener's granulomatosis is a chronic relapsing condition requiring long term immunosuppressive treatment. Periodic exacerbations may require increased dosage of steroids and/or cyclophosphamide. We present a case of a patient with end-stage renal failure who had repeated pulmonary cavitating lesions but was unable to tolerate high dose standard therapy. After only a few months with cyclosporin A there was almost complete resolution of his lung lesions.
A planned pregnancy with a satisfactory outcome is reported in a 33-year-old woman who had received long-term home parenteral nutrition after a massive volvulus, with resection of almost the entire small intestine, six years previously. No obstetric complications were observed and a normal baby girl was delivered by caesarean section. The only nutritional complication that was encountered was aching pain in the limbs and weakness at 20 weeks' gestation, which was due possibly to calcium deficiency and/or the metabolic bone disease that is peculiar to long-term parenteral nutrition and to other unidentified nutrient deficiencies.
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A chemical, aurine tricarboxylic acid was used to identify aluminum in bone in a group of chronic renal failure patients with severe osteomalacia. Thirteen out of 49 (26%) patients had a positive stain at the bone-osteoid junction. The presence of aluminum at the staining site was confirmed by electron dispersion x-ray analysis. The patients' biopsies staining negative with this clinical, although having high bone aluminum levels, had more significant features of hyperparathyroidism, both biochemically and histologically than those having a positive stain. The usefulness of this technique to diagnose presymptomatic aluminum related osteomalacia is emphasized.