1,721,019 research outputs found
New immunosuppressive drugs for prevention and treatment of rejection in renal transplant
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SEVERE CRESCENTIC BK VIRUS NEPHROPATHY WITH FAVOURABLE OUTCOME IN A TRANSPLANTED PATIENT TREATED WITH LEFLUNOMIDE
No full textRenal transplantation in a case of mannosidosis.
No full textMannosidosis is an inherited autosomal recessive mucopolysaccharidosis. Patients affected accumulate mannose-rich compounds in various tissues and excrete an increased quantity of oligosaccharides with mannose as a component.
A case of type II mannosidosis with end-stage renal failure is reported. The patient, after 6 years of regular hemodialysis treatment, received a kidney transplant. At the time this article was written, the graft was functioning well and thesaurismotic renal deposits had not been observed. The clinical course of mannosidosis was silent and the patient's quality of life was good.
Although the risk of recurrence could not be excluded, it seems that renal transplantation can be safely offered to patients affected with mannosidosis type II, in the rare setting of chronic renal failure
Shaded boundaries between antiphospholipid antibodies syndrome and lupus nephritis: low discriminating power of American Rheumatism Association criteria?
No full textRenal transplantation from cadaveric donor after myocardial revascularization: still a matter of concern?
No full textRenal transplantation in patients who have undergone coronary revascularization remains a matter of concern, few experiences have been reported in literature. From January 1997 to March 2003, 23 previously revascularized patients underwent renal transplants from cadaveric donors. We analyzed patient survival and cardiac events in this group of patients (group A) versus a similar population of 38 revascularized patients who were still on dialysis (group B) on the active waiting list (awl). After a similar follow-up (29.30 +/- 21.34 months versus 32.98 +/- 31.33 months; P = .56), survival was 100% for renal transplant patients and 94.74% for dialysis patients, two of whom (5.26%) died from acute myocardial infarction and four (10.52%) were excluded from the waiting list because of cardiac problems. The event-person ratio was 0.51 for group A patients (75% of events clustered within the first 6 months) and 0.71 for group B. The need for therapy with nitrates decreased from 11/23 (47.8%) to 6/23 (26%) after transplant. The ejection fraction remained stable (53.82% +/- 10.4% vs pre-Tx value of 54.8% +/- 9.4%). Renal survival was 100% (sCr = 1.4 +/- 0.4 mg/dL). Although no statistical significance has emerged, there was a general trend in favor of transplanted patients. On the basis of this experience we believe that coronary revascularization per se should no longer be a matter of concern for renal transplantation, which could be superior to dialysis for this type of patient
Survival probabilities for renal transplant recipients and dialytic patients: a single center prospective study.
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Incidence of biopsy-proven primary glomerulonephritis in an Italian province.
No full textBetween January 1, 1970, and December 31, 1994, 1,926 cases of biopsy-proven primary glomerulonephritis (PGN) were diagnosed in an adult population (>15 years of age) in a northwestern region of Italy with approximately 3.5 million inhabitants. The principal long-term changes were an increase in the absolute number of biopsies per year, an increase in the mean age of patients undergoing biopsy (from 29.3 ± 12.2 years to 47.0 ± 17.8 years), an increase in the percentage of patients older than 65 years (from 1.7% to 20.4%), and an increase in the percentage of isolated urinary abnormalities as an indication for biopsy (from 3.5% to 29.6%). In the total biopsy material, immunoglobulin A glomerulonephritis (IgA-GN) is the most frequent type (26%), followed by membranous glomerulonephritis (MGN; 20%). An incidence study was begun in 1990; this survey was restricted to the population of the province of Torino (approximately 2 million inhabitants) as only this area completely refers to the nephrologic centers that entered patients into this study. The overall incidence of PGN is 4.68 new cases/yr/105 population with a predominance of males (>2:1); IgA-GN is the most common type (1.47/yr/105 population [34.5%]) in the overall population. In the elderly, cases of PGN are twice as high as in adults (8.19/yr/105 population v 4.02/yr/105 population in the 65 to 74 year and 45 to 54 year age groups, respectively); MGN mainly accounts for this high incidence (3.4/yr/105population), while the nephrotic syndrome is the most common indication for biopsy (53.8%). A comparison with the incidence in the same area in the early 1970s is evaluable only for PGN, which was mainly registered in the age groups for which an unrestricted biopsy policy was already in place (15 to 35 years). In contrast with a misleading increase of all types of PGN, which is in reality due to the extension of the biopsy policy to older and asymptomatic patients, membranoproliferative glomerulonephritis type I shows a countercurrent decrease from 0.43 to 0.13/yr/105 population. Evidence of a simultaneous decrease in severe cardiac valvulopathy, due to rheumatic fever, is also provided. We feel that before epidemiologic conclusions can be reached, a clear understanding of one's own biopsy policy is essential. An apparent change in the PGN rate in our region over the last 25 years mainly depends on modifications in our biopsy policy, most probably coupled with a change in the threshold of detection of symptoms in the general population. At present, according to our experience, IgA-GN is the most common type of PGN in the total bioptic material, as demonstrated in other European countries, while the elderly show a peculiar pattern with a higher PGN incidence, mainly represented by MGN and heralded by the nephrotic syndrome. We also confirm that membranoproliferative glomerulonephritis type I is indeed decreasing in parallel with changes in the microbiologic environment
Skin cancers and other cutaneous diseases in renal transplant recipients: a single Italian center observational study.
No full textKidney transplant recipients frequently suffer from skin infections and malignancies, due to the effects of long-term immunosuppressive therapy. Herein, a dermatological screening was performed to evaluate the relationship between risk factors, cutaneous tumours and other skin diseases in a group of 282 kidney transplant patients. Infectious diseases (16.7%) were the most frequent dermatological disorders, whereas cutaneous inflammatory and autoimmune diseases were relatively rare, probably due to an indirect therapeutic role of immunosuppressive regimens. Thirty patients experienced cutaneous side effects from immunosuppressants, mainly when receiving corticosteroids (p = 0.0372). We identified 99 patients (35.1%) who developed cutaneous tumours after transplantation. Cumulative tumour incidence was observed during long-term immunosuppressive therapy; no relationships were identified between skin cancer risk and single class of drug or combination regimens. When we evaluated the eventual relevance of other risk factors for skin cancers, we demonstrated a statistical significance in univariate analysis for male gender, more advanced age at transplantation, long duration of immunosuppressive regimens, no sunscreen usage, outdoor job, absence of cherry angiomas and presence of actinic keratoses (AKs). Age at transplantation (p = 0.0174), presence of AKs (p = 0.0005) and duration of immunosuppression (p = 0.0011) also confirmed their significance in multivariate analysis
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