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At a certain point, patients with kidney failure will need to decide whether or not to start kidney replacement therapy, i.e. dialysis or kidney transplantation. An increasing number of patients choose to forgo dialysis or transplantation and opt for conservative care. In part, this trend is explained by the ageing population of patients with kidney failure and a more limited survival benefit for dialysis in older patients. Conservative care is a holistic, patient-orientated treatment, aimed at quality of life, advance care planning, reducing symptom burden, and slowing the deterioration of kidney function. As such, conservative care is an active treatment and not merely forgoing kidney replacement therapy. This article will summarize the various aspects of the decision- and treatment phase of conservative care for patients with kidney failure for healthcare providers, both in hospital- and primary care.

A 62-year-old man with a history of significant alcohol consumption presented with atypical neurological symptoms. Bacterial meningitis, caused by Streptococcus pneumoniae, was diagnosed with a 24-hour delay. Despite antibiotic treatment, the patient developed heart failure and multiple organ failure. He also had endocarditis with insufficient mitral and aortic valves. Subsequently, we found signs of a pulmonary infection. Because of an unsustainable haemodynamic situation, double heart valve replacement was considered necessary, despite the extremely high surgical risk and the extracardial infection foci showed by leukocyte scintigraphy. The patient died shortly after surgery. The triad of meningitis, pneumonia and endocarditis caused by Streptococcus pneumoniae is called the Austrian syndrome. This syndrome is rare and often has a serious course. It is strongly associated with asplenia, functional asplenia or hyposplenism, as occurs with alcohol abuse. Early recognition and a combination of antibiotic and surgical treatment is essential.

In three women on chronic haemodialysis because of end-stage renal disease who were 40, 59, and 73 years of age respectively, spontaneous renal bleeding was diagnosed. The first two patients presented with acute flank pain and signs of sudden blood loss, the third one had chronic abdominal pain and anaemia. A CT scan demonstrated perirenal bleeding in all three patients and expansion into the retroperitoneal space in the first and third patient. In the latter two patients, acquired renal cysts had been visible during earlier abdominal ultrasound. None of the patients had severe hypertension, but all of them had received medication enhancing bleeding tendency, such as nadroparin, which was administered during haemodialysis. The first and the last patient were treated conservatively and survived. The second patient was haemodynamically unstable and underwent embolisation to stop the bleeding. She died in hospital after fifteen days due to the complications of a cardiac arrest. Abdominal CT or ultrasound is the technique of choice to evaluate patients with end-stage renal disease with loin pain or bleeding. Most of the time, conservative treatment suffices.

A 37-year-old male cocaine user presented with continual, sanguinolent nasal obstruction and persistant pain following a nasal operation one year ago. Examination showed crustae, granulations and exposed septal cartilage in the right nasal passage in addition to a considerable septal deviation to the left. No other physical abnormalities were found. A biopsy of the nasal mucosa showed acute necrotic inflammation. The serological examination revealed markedly elevated anti-neutrophil cytoplasmic antibodies (ANCA) titres with positive reactions against proteinase-3, indicating Wegener's disease. Additional testing also showed a positive ANCA reaction for human neutrophil elastase, which made cocaine use a more plausible cause for the nasal abnormalities than Wegener's disease. Treatment consisted of nasal flushing with saline and, for a short period, a nasal tampon with hydrocortisone-oxytetracycline-polymyxin B ointment. However, the patient did, ultimately, develop a septal perforation. Cocaine-induced nasal abnormalities can imitate symptoms that may fit Wegener's disease, including relevant serological ANCA findings.

A 64-year-old woman presented with recurrent infarction of the right kidney. Because of suspected dysfunction of the contralateral kidney, revascularisation of the occluded right renal artery was attempted. Local thrombolysis with urokinase was unrewarding. So-called rheolytic thrombectomy by means of a Hydrolyser was successful in opening the right main renal artery. Although recovery of right renal function was not complete, renal scintigraphy confirmed salvage of most of the right kidney parenchyma.