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ABSTRACT: Acute post-infectious glomerulonephritis (APIGN) is uncommon in adults. It is widely recognized that the prognosis of APIGN is good in children. There is however little information about its long-term prognosis in adults.
Between December 1976 and October 2004, 148 adult cases of APIGN were managed in our center. We retrospectively reviewed these patients' records and evaluated their clinical course and outcome.
The mean age of studied patients was 36 ± 15 years, and the male to female ratio was 2.3. The most common site of preceding infection was the respiratory tract (68.8%). At presentation, 89.2% had nephritic syndrome and 9.4% had rapidly progressive glomerulonephritis. Proteinuria was observed in 99.3%, hematuria in 95.3%, peripheral edema in 89.2% and hypertension in 81.8%. Most patients (60.7%) had acute kidney injury and four patients (2.7%) required dialysis. Renal biopsy showed diffuse endocapillary proliferative glomerulonephritis in 88.8% of patients, associated with extracapillary proliferation in 12%. After a median follow-up of 2.5 year, only two patients died and 16.12% of patients had persistent clinical and/or biological abnormality. Chronic kidney disease was noted in 10 patients (6.75%) including four patients (2.7%) who progressed to end-stage renal disease. Poor prognostic factors included nephrotic range proteinuria, extracapillary proliferation in renal biopsy, acute kidney injury and the need for dialysis.
In this cohort of patients, APIGN progressed to chronic kidney disease in less than 10% of patients.
Arab journal of nephrology and transplantation. 05/2012; 5(2):93-6.
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ABSTRACT: We will study the epidemiologic, clinical, biological, therapeutic, prognostic characteristics and predictive factors of development of nephropathy in ankylosing spondylitis patients. We retrospectively reviewed the medical record of 32 cases with renal involvement among 212 cases of ankylosing spondylitis followed in our service during the period spread out between 1978 and 2006. The renal involvement occurred in all patients a mean of 12 years after the clinical onset of the rheumatic disease. Thirty-two patients presented one or more signs of renal involvement: microscopic hematuria in 22 patients, proteinuria in 23 patients, nephrotic syndrome in 11 patients and decreased renal function in 24 patients (75%). Secondary renal amyloidosis (13 patients), which corresponds to a prevalence of 6,1% and tubulointerstitial nephropathy (7 patients) were the most common cause of renal involvement in ankylosing spondylitis followed by IgA nephropathy (4 patients). Seventeen patients evolved to the end stage renal disease after an average time of 29.8 ± 46 months. The average follow-up of the patients was 4,4 years. By comparing the 32 patients presenting a SPA and renal disease to 88 with SPA and without nephropathy, we detected the predictive factors of occurred of nephropathy: tobacco, intense inflammatory syndrome, sacroileite stage 3 or 4 and presence of column bamboo. The finding of 75% of the patients presented a renal failure at the time of the diagnosis of renal involvement suggests that evidence of renal abnormality involvement should be actively sought in this disease.
Néphrologie & Thérapeutique 04/2012; 8(4):220-5. · 0.47 Impact Factor
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ABSTRACT: A 41-year-old man was admitted for evaluation of nephrotic syndrome associated with microhematuria, hypertension, and moderate renal failure. In serum and urine samples, monoclonal IgG-lambda was detected. Bone marrow examination showed normal representation of all cell lines with normal range of plasma cells. Renal biopsy demonstrated diabetes-like nodular glomerulosclerosis. Immunofluorescence failed to demonstrate the presence of kappa or lambda light chains in the kidney. Electron microcopy showed granular electron-dense deposits along the glomerular basement membranes and in the mesangial nodules. The patient was diagnosed as having light-chain deposition disease (LCDD) without evidence of plasma cell dyscrasia. This report was designed to stress the significant challenges that remain in the diagnosis of LCDD-related glomerulopathy. The salient morphological features that help in making an accurate diagnosis are discussed.
Ultrastructural Pathology 04/2012; 36(2):134-8. · 0.76 Impact Factor
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ABSTRACT: The amyloidosis is one of the histologic lesions the most frequently associated to the aging.
To identify the several etiologies of amyloidosis in elderly patients according to immunohistochemical type.
Retrospective study on 10 years, in Internal medicine and Nephrology department in Charles Nicolle Hospital. Tunis. Tunisia. Diagnosis of amyloidosis was retained after histological confirmation with specific colorations, in patients aged 65 years or more at the diagnose of amyloidosis.
The study enrolled 51 patients with amyloidosis. In 67% of cases it was AA amyloidosis. The etiology the most frequently observed with this type was the tuberculosis, followed by chronic pulmonary infections. We retained diagnose of non AA amyloidosis in 21% of patients. The multiple myeloma has been the most frequent etiology observed, but no cause was identified at about half of patients. Twelve per cent of amyloidosis were not typed.
From our study, we can remark the high predominance of AA amyloidosis, probably because of frequency of tuberculosis which is still high in our country, this is not in accordance with occidental data, were AL amyloidosis and senile amyloidosis predominate in elderly.
La Tunisie médicale 01/2012; 90(1):13-8.
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La Tunisie médicale 01/2012; 90(1):86-7.
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ABSTRACT: Hereditary complete C4 deficiency has until now been reported in 30 cases only. A disturbed clearance of immune- complexes probably predisposes these individuals to systemic lupus erythematosus, other immune- complex diseases and recurrent microbial infections. We present here a 20- year- old female with hereditary complete C4 deficiency. Renal biopsy demonstrated renal AA amyloidosis. This unique case further substantiates that deficiency of classical pathway components predisposes to the development of recurrent microbial infections and that the patients may develop AA amyloidosis. Furthermore, in clinical practice, the nephrotic syndrome occurring in a patient with hereditary complete complement C4 deficiency should lead to the suspicion of renal AA amyloidosis.
Saudi journal of kidney diseases and transplantation: an official publication of the Saudi Center for Organ Transplantation, Saudi Arabia 09/2011; 22(5):1008-11.
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ABSTRACT: Obesity-related glomerulopathy (ORG) is a secondary form of focal segmental glomerulosclerosis (FSGS) occurring in obese patients with a body-mass index higher than 30 kg/m(2). It is typically manifested by nephrotic-range proteinuria without full nephrotic syndrome, and progressive renal insufficiency. Characteristic morphologic features include the consistent presence of glomerulomegaly, predominance of perihilar variant of FSGS, and the relatively mild fusion of visceral epithelial cell foot processes. The concept of podocyte depletion as a driver of the glomerular scarring in obesity-associated FSGS is well documented. The underlying mechanisms are likely to be related in part to the oxidative stress and the impairment of the integrity of the slit diaphragm and cell adhesion resulting mainly from angiotensin II and transforming growth factor-β. These proapoptotic cytokines are upregulated in obesity in response to insulin resistance, compensatory hyperinsulinemia and glomerular hyperfiltration-hypertension mediated mechanical stress. This review is designed to discuss the clinicopathologic features of obesity-associated FSGS, with a focus on the podocyte injury, which is involved in the onset and progression of the glomerulosclerotic process. Ultrastructural glomerular lesions are documented.
Ultrastructural Pathology 06/2011; 35(4):176-82. · 0.76 Impact Factor
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ABSTRACT: Membranoproliferative glomerulonephritis with isolated C3 deposits (MPGNC3) is an uncommon condition characterized by overt glomerular C3 deposits in the absence of immunoglobulins and intramembranous dense deposits. Here the authors describe the clinical and morphological features of primary MPGNC3 in a 13-year-old boy and critically review the previously published cases. The patient presented with nephrotic syndrome and microscopic hematuria. Blood tests revealed very low circulating C3 levels. The renal biopsy exhibited subendothelial, subepithelial, and mesangial deposits, with C3 but not immunoglobulins seen on immunofluorescence. This case and the review of the literature indicate that the serum complement profile with decreased levels of C3 and normal levels of classical pathway components together with glomerular deposits containing exclusively complement C3 is highly suggestive of alternative pathway activation. The diagnosis of acquired and/or genetic complement abnormalities in some cases supports that complement dysregulation is implicated in the pathogenesis of MPGNC3. Such data show great promise to provide new therapy strategies based on modulation of the complement system activity.
Ultrastructural Pathology 02/2011; 35(1):42-6. · 0.76 Impact Factor
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ABSTRACT: Membranoproliferative glomerulonephritis with isolated C3 deposits (MPGNC3) is an uncommon condition characterized by overt glomerular C3 deposits in the absence of immunoglobulins and intramembranous dense deposits. Here the authors describe the clinical and morphological features of primary MPGNC3 in a 13-year-old boy and critically review the previously published cases. The patient presented with nephrotic syndrome and microscopic hematuria. Blood tests revealed very low circulating C3 levels. The renal biopsy exhibited subendothelial, subepithelial, and mesangial deposits, with C3 but not immunoglobulins seen on immunofluorescence. This case and the review of the literature indicate that the serum complement profile with decreased levels of C3 and normal levels of classical pathway components together with glomerular deposits containing exclusively complement C3 is highly suggestive of alternative pathway activation. The diagnosis of acquired and/or genetic complement abnormalities in some cases supports that complement dysregulation is implicated in the pathogenesis of MPGNC3. Such data show great promise to provide new therapy strategies based on modulation of the complement system activity.
01/2011; 35(1):42-46.
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ABSTRACT: Renal involvement in the Behcet's disease is rare. The clinical features vary from urinary sediment's abnormalities to ESRD.
We propose to study the clinical, biological and histological data, the therapeutic management and the prognosis of patients.
We report a retrospective study including 8 patients representing 1.23 % of cases.
The average age of the patient was of 37 +/- 12. 35 years with a clear male prevalence. Urinary signs were discovered fortuitously by the strips in the majority of the cases after an average of 18 months. It's about proteinuria and hematuria. Renal insufficiency and hypertension were rare. Pathological study highlighted 3 cases of amyloidosis, 2 cases of IgA nephropathy, 1 case of minimal change disease, 1 case of endo and extracapillary glomerulonephritis and 1 case of interstitial nephropathy. Patients having GN were treated by corticoids and immunosuppressive agents and those having an interstitial nephropathy were treated symptomatically with good evolution in the majority of the cases. Only one patient is dead, he had amyloidosis. Prognosis depended on the precocity of the diagnosis, the histological type and the treatment.
The renal involvement during Behçet's disease is rare. Amyloidosis and Ig A nephropathy are the most frequent. Treatment is still controversial.
La Tunisie médicale 06/2010; 88(6):404-8.
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ABSTRACT: Peritoneal dialysis is used more and more as treatment of substitution of the end stage renal disease at the old subjects of more than 65 years and its effectiveness and its good tolerance were shown.
To study the epidemiological and clinical profile of these patients, the indication and the advantages of PD, the various complications, the elements of prognostic and the survival of the patients and the technique.
We made a retrospective study including a series of 13 old patients of more than 65 years and treaties by PD during the period extending from the 1983/2/11 to the 2005/12/31. They are 10 men and 3 women on average of 70 +/- 3.1 year and representing 3.62% of the totality of the patients. The diabetic and vascular nephropathies represent the first cause of ESRD.
The PD was used of first intention at 53.84% of the patients whose majority suffers from a malnutrition due to advanced age, anorexia, psychological disorders, bad dental state and uraemia. The cardiovascular complications are frequent in this age bracket explaining heavy morbidity. The pulmonary and urinary infectious complications are also frequent. The more frequent peritonitis compared to the literature, are comparable between the 2 age brackets < and = with 65 years and the mode of PD (APD or CAPD). The time separating the beginning from PD and which has occurred of the peritonitis is shorter in APD. The lesions of renal osteodystrophy are found among 6 patients: 3 cases of hyperparathyroidism and 3 cases of adynamic osteopathy. The return in HD is rare due to dysfunction of the catheter. The survival of the patients is 92.8% at 1 year and 60.8% at 5 years; that of the technique is worse with 88.3% at 1 year and 33.7% at 5 years Eight patients died (61.5%) because of cardiovascular diseases and of the infections. We found a correlation statistically significant between the survival of the patients and the mode of PD, on the other hand any correlation was not found with the age or the sex. The survival of the technique is not correlated to a significant degree with the age, the sex and the mode of PD.
Peritoneal dialysis is used of first intention at more half of the old subjects and remains a last recourse for haemodialysis which have an initially vascular problem. The family support and the good nurse allow these patients to adhere well to the technique. The cardiovascular diseases and the infections are responsible for heavy morbi-mortality. The survival of the technique is worse than that of the patients.
La Tunisie médicale 11/2009; 87(11):742-6.
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ABSTRACT: Diabetic nephropathy can occur during the course of both type1 and type 2 diabetes mellitus. The characteristic lesions are diffuse or nodular (Kimmelsteil-Wilson) diabetic glomerulosclerosis. The reported cases represent unusual presentations of diabetes mellitus.
We report the case of a 49-year-old man without prior history of diabetes mellitus who presented with rapidly progressive renal failure and whose renal biopsy revealed nodular (Kimmelsteil-Wilson) glomerulosclerosis lesions characteristic of diabetes.
Renal manifestations of diabetes mellitus may antedate other more common presenting symptoms of this disease and we critically review the literature on this subject.
Cases Journal 01/2009; 2:6792.
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ABSTRACT: Sarcoidosis is a systemic disease characterized by chronic granulomatous inflammation. Chronic kidney disease (CKD) was reported in less than 1% of patients of sarcoidosis. The prevalence of tubulo-interstitial nephritis (TIN) in sarcoidosis varies from 7 to 27%. In this retrospective study, we present 15 patients with interstitial or glomerular renal involvement secondary to sarcoidosis diagnosed in our center from 1975 to 2006. Patients were 13 (96.6%) females and two males with a mean age of 56.5 years. CKD was present in 14(93.3%) patients, proteinuria in 13(96.6%), and nephrotic syndrome in one. Pulmonary involvement was present in 10 (66.6%) patients. Renal biopsy performed in 12 (80%) patients revealed TIN lesions in 10 (66.6%) patients, extracapillary proliferative glomerulonephritis (GN) in one, and membranous GN type 2 in another. Corticosteroid therapy using prednisolone 0.5 to 1 mg/kg per day was used in 12(80%) patients. Ten (66.6%) patients were followed up for a mean period of 25 months (ranged from 2 to 48 months). The outcome was favorable with 7 (46.6%) patients improved their renal function, 6 (40%) remained with a moderate CKD, one normalized his renal function, and one died suddenly after 2 months of initiating the treatment corticosteroids. We conclude that corticosteroid treatment is efficient in TIN and variably efficient in GN. Patients with sarcoidosis may cause advanced renal failure, which renders it a serious nephrological condition.
Saudi journal of kidney diseases and transplantation: an official publication of the Saudi Center for Organ Transplantation, Saudi Arabia 02/2008; 19(1):67-71.
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Lilia Ben Fatma,
Fethi Ben Hamida,
Raja Aoudia, Rym Goucha,
Hayet Kaaroud,
Soumaya Béji,
Samia Barbouch,
Hafedh Hedri,
Ezzeddine Abderrahim,
Fethi Elyounsi,
Taieb Ben Abdallah,
Fatma Ben Moussa,
Adel Kheder
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ABSTRACT: Membranoproliferative glomerulonephritis in patients with cryoglobulinemia complicating hepatitis C virus have yet been reported. Although, it remains controversial, antiviral treatment seems to be able to improve the outcome of glomerulonephritis.
The objectives of the study were to analyze characteristics of this association and to report literature data and newness treatment.
It's a retrospective study including 11 patients with membranoproliferative glomerulonephritis, hepatitis C virus and mixed cryoglobulinemia. Hepatitis C virus antibodies was identified by ELISA technique. Hepatitis C virus genotype was identified in one patient. Cryoglobulins were isolated from sera of all patients at 37 degrees Celsius.
Patients were 3 men and 8 women with a mean age of 51.9 +/- 15.5 years. Between the 11 patients, 7 had hypertension, 9 had nephrotic syndrome and 10 had chronic renal failure. Renal biopsy showed membranoproliferative glomerulonephritis lesions in all cases with fibrinoid thrombi in 8 cases. Six patients had chronic liver disease. Liver biopsy was performed in 4 patients, showing histological feature compatible with chronic active hepatitis in 2 cases. No patient had antiviral therapy. Renal failure was stable in 5 cases and progressed in 6 cases with end stage renal failure in 3 of them. One patient died, 4 months after diagnosis, because of severe pulmonary involvement in cryoglobulinemic vasculitis. In literature, treatment is dominated by antiviral therapy composed first by Interferon Alpha alone. Combination therapy associating Interferon and Ribavirin was recently used in renal involvement; it is clearly more effective than interferon alpha alone.
Hepatitis C virus detection should be performed when membranoproliferative glomerulonephritis is associated with cryoglobulinemia. Antiviral treatment should be more widely used in Tunisia to evaluate his effect on renal involvement
La Tunisie médicale 04/2007; 85(3):220-4.
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Mohamed Mongi Bacha, Rym Goucha,
Karim Zouaghi,
Hela Jebali,
Bassima Fazaa,
Hafedh Hedri,
Fethi El Younsi,
Ezzeddine Abderrahim,
Fethi Ben Hamida,
Taïeb Ben Abdallah,
Fatma Ben Moussa,
Riadh Kammoun,
Hedi Ben Maiz,
Adel Kheder
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ABSTRACT: The association between Kaposi's sarcoma, Human Herpes Virus 8 infection and multiple myeloma is still controversial especially in hemodialysed patient.
report a new case of this association.
We report the case of a 83 year old man in whom the diagnosis of multiple myeloma of IgA/kappa had been made in December 2003 with end stage renal failure requiring hemodialysis. Initially, it had been treated with Melphalan, Cyclophosphamide, Prednisolone and Vincristine and secondary by Melphalan and Prednisone. Three months later, he had developed extensive porpour lesions in his lower limbs. Skin biopsy had been informed of Kaposi's sarcoma. Human Herpes Virus 8 test was positive.
Our observation is another case supporting the hypothesis that Kaposi's sarcoma and multiple myeloma share a common aetiology such as Human Herpes Virus 8. The immunodepressed state related to aging, multiple myeloma, chemotherapy and hemodialysis was the probable factor responsible of rapidly progressive Kaposi's sarcoma in our patient. The association myeloma and Human Herpes Virus 8 infection is still controversial.
La Tunisie médicale 04/2007; 85(3):237-9.
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ABSTRACT: Fabry disease is an X-linked recessive lysosomial storage disorder that is caused by deficient activity of alpha galactosidase A. Renal involvement occurs generally in hemizygous forms.
We report one case of renal involvement in Fabry disease.
A 47 year-old-man had focal and segmental glomerulosclerosis with moderate renal failure. As the patient presented history of acroparesthesias, hearing loss, left ventricular hypertrophy with arrhythmia and corneal deposits, hemizygous Fabry disease was suspected. This diagnosis was confirmed with low alpha galactosidase activity. After a follow up of 5 years, the renal function remains stable but the patient died by cardiac arrhythmia.
Occurrence of a glomerulonephritis associated with an hypertrophic cardiopathy without hypertension should advocate Fabry disease.
La Tunisie médicale 04/2007; 85(3):240-3.
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ABSTRACT: Pregnancy and child birth in haemodialysis remains a rare event, even more, when pregnancy occurs in patient with systemic lupus erythematosus (SLE).
We report a case of a patient with end stage renal failure secondary to SLE and who carried out 3 pregnancies.
She was a woman with proliferative and diffuse lupus glomerulonephritis since 1985 treated by corticosteroids and cyclophosphamide. In 1995, she developed chronic renal failure. In 1996, she underwent a 1st full term spontaneous pregnancy with normal birth weight. In 2001, she underwent a second spontaneous pregnancy while she was on periodic haemodialysis. She had a full term baby birth with a birth weight at 1 Kg 700 and who died 4 days later. In 2002, she had a third pregnancy with voluntary abortion at 8 weeks.
Our patient had conserved fertility despite treatment by cyclophosphamide, chronic renal failure and haemodialysis. The two successful deliveries may be attributed to the control of SLE activity and to the adequacy of haemodialysis.
La Tunisie médicale 04/2007; 85(3):244-6.
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Soumaya Béji,
Hayet Kaaroud,
Fatma Ben Moussa,
L Raies,
H Jebali,
Fethi Ben Hamida, Rym Goucha,
Fethi El Younsi,
Taieb Ben Abdallah,
Hédi Ben Maiz,
Adel Kheder
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ABSTRACT: Renal involvement in primary Sjögren's syndrome occurs in 10-60% of cases. Tubulointerstitial nephritis with distal renal tubular acidosis (DRTA) is the main type of involvement. It's generally asymptomatic and revealed by complications of DRTA. We report 4 cases of GJS complicated by nephrocalcinosis, tetapresic hypokaliemia and osteomalacia. In 2 cases, nephrocalcinosis was diagnosed simultaneously with the GJS. The 2 other cases were diagnosed 3 and 15 years after primary GJS. All patients were treated by coticosteroids at the dose of 0.5 mg/Kg/jour, alkaline solution, K Cl in 2 cases and vitamin D in 2 cases. After a mean follow up of 8.7 years, the renal function remain stable in the 3 cases of nephrocalcinosis and in a patient with osteomalacia, bone lesions progressed. In conclusion, DRTA must be detected by acidification tests in patients with primary Sjögren's syndrome because of their latency and to prevent severe complications.
La Tunisie médicale 04/2007; 85(3):247-50.
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ABSTRACT: Between April 1975 and March 2005, 4,436 cases of histologically proven glomerulonephritis (GN) were diagnosed by the same team at the Kidney Unit of Charles Nicolle Hospital in Tunis. Respectively 1,510, 1,419 and 1,509 cases were diagnosed in 1975-1985, 1985-1995, and 1995-2005. We compared trends in the incidence rates of the different types of GN and those of Tunisian indicators of health, social and economic status. The following differences were found between 1975-1985 and 1995-2005:--As a proportion of all cases of GN, the frequency of amyloidosis fell from 12,6 % to 6,5 % (p < 0,0001). The 444 cases of amyloidosis observed during the study period were of type AA in 87 % of cases, and were related to chronic infectious diseases in 239 cases (54 %; pulmonary tuberculosis in 114 cases). The frequency of tuberculosis-associated amyloidosis fell during the study period, in parallel with the reduction in the incidence of tuberculosis in the Tunisian population (48,7 cases/100,000 inhabitants in 1983 to 20,17 in 2004). Lupus nephritis accounted for 7.7 % of all cases of GN diagnosed in 1975-1985, compared to 13 % in 1995-2005 (p < 0,00001). Increased exposure to sunlight and use of cosmetics could be involved in this increase.--The incidence of both proliferative endocapillary and membranoproliferative GN (as a proportion of all cases of GN) fell between 1975-1985 and 1995-2005, from 15,9 % and 21,6 % to 6,9 % and 7,7 %, respectively (p < 0,0001). This matched a drop in the incidence of acute rheumatic fever in the Tunisian population, from 7,26/100,000 inhabitants in 1984 to 0,83 in 2004, probably as a result of public health measures and widespread use of antibiotics. The incidence of membranous GN increased from 11,1 to 17,7 % in adults (p < 0,001) whereas it fell from 10,1 to 4,6 % in children (p < 0,01), possibly as a result of a nationwide HBV vaccination program launched in 1995. The incidence of IgA nephropathy increased from 0,9 to 12,9 % in adults (p < 0,0001) and from 0,3 % to 18,4 % in children, but remained relatively stable in elderly adults. This study, conducted in a single center, by the same team, and using the same renal biopsy practices, confirms that the control of infectious diseases in Tunisia has led to a substantial regression of proliferative endocapillary and membranoproliferative GN and renal amyloidosis. Environmental factors, such as the adoption of western lifestyles, could explain the increase in lupus and IgA nephropathies.
Bulletin de l'Académie nationale de médecine 03/2006; 190(2):403-16; discussion 416-8. · 0.25 Impact Factor
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ABSTRACT: In 4 patients we observed the association of an amyloid nephropathy and a chronic inflammatory bowel disease (Crohn's' disease in 3 cases and ulcerative rectocolitis in 1 case).
These patients, aged a mean of 37 years (range: 28-48 years), had been admitted for exploration of a nephrotic syndrome associated with renal failure in 2 cases. The investigations lead to the diagnosis of AA type amyloidosis in the 4 cases. One patient was lost from follow-up. One patient was treated with salazopyrine, one with corticosteroids and one with colchicine. After a mean follow-up of 16 months (5-30 months), all the patients had persistent nephrotic syndrome, with end stage renal failure in one case, persistence of normal renal function in one case and improved renal function in one case. None of the patients exhibited remission in the nephrotic syndrome. The response of amyloidosis to the treatment of the chronic inflammatory bowel disease varied. Corticosteroids and colchicine stabilised renal function in 2 of our patients but without remission in the nephrotic syndrome.
AA amyloidosis is a rare complication of inflammatory bowel disease. The indication for colchicine is important to consider particularly since the response of amyloidosis to the treatment of the causal disease does not, in the majority of cases, lead to the remission of the amyloidosis, the prognosis of which is determined by the extent of renal involvement.
La Presse Médicale 08/2004; 33(13):862-5. · 0.67 Impact Factor
