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1.
Pediatr Transplant ; 9(2): 178-82, 2005 Apr.
Article in English | MEDLINE | ID: mdl-15787789

ABSTRACT

MMF has been shown to decrease the incidence of acute rejection in children and adults at 1 and 3 yr. Other beneficial effects of MMF have been more difficult to demonstrate. Our open-labeled study presents a 5-yr data for patients and graft survival, allograft function, and growth in MMF-treated patients. The trial included 29 patients who were treated with MMF in combination with cyclosporine and methylprednisone. Patients were compared with a preceding group of 29 patients treated with AZA instead of MMF. Patient and graft survival rate 5 yr after transplantation were 97 and 90% in the MMF group vs. 93 and 83% in the AZA group (p: NS). Acute rejection was 20.6% in the MMF group vs. 58.6% in the AZA group (p < 0.01). Chronic rejection was 10.3% in the MMF group and 25% in the AZA group (p: NS). The changes in the creatinine clearance from baseline to 5 yr (Delta) were different between groups (-6.0 +/- 5.1 mL/min/1.73 m(2) in the MMF group vs. -22.2 +/- 7.6 mL/min/1.73 m(2) in the AZA group, p < 0.05). Also, the slope of 1/Scr showed a significant lower incidence of worsening renal function after the second year of renal transplantation (p < 0.0001) in the MMF group compared with the AZA group. Delta Height SDS in prepubertal patients was 0.3 +/- 0.4 SDS in the MMF group vs. -0.8 +/- 0.2 SDS in the AZA group (p < 0.05). This study shows that long-term MMF therapy has resulted in a decrease in acute rejection and was associated with a protection against renal function deterioration. The use of MMF enables a reduction in the dose of steroids and leads to a linear growth improvement of children after renal transplantation.


Subject(s)
Graft Rejection/prevention & control , Immunosuppressive Agents/therapeutic use , Kidney Transplantation , Mycophenolic Acid/analogs & derivatives , Mycophenolic Acid/therapeutic use , Adolescent , Creatinine/blood , Cyclosporine/administration & dosage , Drug Therapy, Combination , Female , Humans , Immunosuppressive Agents/adverse effects , Kidney Failure, Chronic/surgery , Kidney Transplantation/immunology , Male , Methylprednisolone/administration & dosage , Mycophenolic Acid/adverse effects , Prospective Studies , Transplantation, Homologous
2.
Rev. argent. cir ; 86(5/6): 183-189, mayo-jun. 2004. ilus, tab
Article in Spanish | LILACS | ID: lil-391166

ABSTRACT

Antecedentes: Los carcinomas colorrectales suelen tener peor pronóstico en pacientes jóvenes. Existe un subgrupo con cáncer colorrectal hereditario no asociado a poliposis (síndrome de Lynch) en el que la evolución es mejor. Objetivo: Evaluar las características diferenciales de presentación y evolución del cáncer colorrectal en pacientes jóvenes con cáncer esporádico y con síndrome de Lynch. Lugar de aplicación: Hospital General de Agudos. Diseño: Observacional retrospectivo comparativo. Población: 16 pacientes con cáncer esporádico con edad ¾ 40 años y 7 pacientes con síndrome de Lynch, asistidos en la División Cirugía entre enero de 1996 y mayo de 2003. Método: Se compararon estos dos grupos evaluando: localización tumoral, presencia de tumores sincrónicos, metacrónicos y/o extracolónicos, características histopatológicas, estadío anatomopatológico y supervivencia. Resultados: Los pacientes con síndrome de Lynch presentaron mayor porcentaje de tumores derechos (71,4 por ciento contra 6,2 por ciento; p <0,005). No hubo diferencias significativas en las demás variables analizadas, aunque los pacientes con síndrome de Lynch tuvieron mayor porcentaje de tumores mucinosos (42,8 por ciento contra 25 por ciento), más estadios tempranos (85,7 por ciento contra 50 por ciento) y supervivencia más prolongada (232,2 ± 65 (rango 6-336) meses contra 49,6 ± 11,4 (rango 1-95) meses. Conclusiones: Los pacientes con síndrome de Lynch tuvieron mayor incidencia de tumores de localización derecha y un mejor pronóstico basado en una tendencia a presentar tumores localizados y mejor supervivencia


Subject(s)
Humans , Male , Adolescent , Adult , Middle Aged , Female , Colorectal Neoplasms , Colorectal Neoplasms, Hereditary Nonpolyposis , Colorectal Neoplasms , Colorectal Neoplasms, Hereditary Nonpolyposis , Neoplasms, Multiple Primary , Neoplasms, Second Primary , Retrospective Studies , Survival Analysis , Survival Rate
3.
Rev. argent. cir ; 86(5/6): 183-189, mayo-jun. 2004. ilus, tab
Article in Spanish | BINACIS | ID: bin-3196

ABSTRACT

Antecedentes: Los carcinomas colorrectales suelen tener peor pronóstico en pacientes jóvenes. Existe un subgrupo con cáncer colorrectal hereditario no asociado a poliposis (síndrome de Lynch) en el que la evolución es mejor. Objetivo: Evaluar las características diferenciales de presentación y evolución del cáncer colorrectal en pacientes jóvenes con cáncer esporádico y con síndrome de Lynch. Lugar de aplicación: Hospital General de Agudos. Diseño: Observacional retrospectivo comparativo. Población: 16 pacientes con cáncer esporádico con edad 40 años y 7 pacientes con síndrome de Lynch, asistidos en la División Cirugía entre enero de 1996 y mayo de 2003. Método: Se compararon estos dos grupos evaluando: localización tumoral, presencia de tumores sincrónicos, metacrónicos y/o extracolónicos, características histopatológicas, estadío anatomopatológico y supervivencia. Resultados: Los pacientes con síndrome de Lynch presentaron mayor porcentaje de tumores derechos (71,4 por ciento contra 6,2 por ciento; p <0,005). No hubo diferencias significativas en las demás variables analizadas, aunque los pacientes con síndrome de Lynch tuvieron mayor porcentaje de tumores mucinosos (42,8 por ciento contra 25 por ciento), más estadios tempranos (85,7 por ciento contra 50 por ciento) y supervivencia más prolongada (232,2 ± 65 (rango 6-336) meses contra 49,6 ± 11,4 (rango 1-95) meses. Conclusiones: Los pacientes con síndrome de Lynch tuvieron mayor incidencia de tumores de localización derecha y un mejor pronóstico basado en una tendencia a presentar tumores localizados y mejor supervivencia (AU)


Subject(s)
Humans , Male , Adolescent , Adult , Middle Aged , Comparative Study , Female , Colorectal Neoplasms, Hereditary Nonpolyposis/diagnosis , Colorectal Neoplasms/diagnosis , Colorectal Neoplasms, Hereditary Nonpolyposis/mortality , Colorectal Neoplasms, Hereditary Nonpolyposis/pathology , Colorectal Neoplasms/mortality , Colorectal Neoplasms/pathology , Retrospective Studies , Survival Analysis , Neoplasms, Second Primary , Neoplasms, Multiple Primary , Survival Rate
4.
Pediatr Nephrol ; 17(10): 809-14, 2002 Oct.
Article in English | MEDLINE | ID: mdl-12376808

ABSTRACT

We evaluated the relationship between the acute phase and the development of end-stage renal disease (ESRD) and the outcome of renal transplant in patients with Shiga toxin-associated hemolytic uremic syndrome (Stx-HUS). A 20-year retrospective study was performed of 66 renal transplants in 62 patients with Stx-HUS compared with 189 renal allografts in 178 children with other diseases. Of 62 patients, 61 had >7 days of oliguria during the acute phase. Stx-HUS patient survival was not different from controls (92% vs. 83% 15 years after renal transplantation). In the cyclosporine (CsA) era, survival of grafts from living related (LRD) and cadaver (CD) donors in Stx-HUS and control patients was 83% versus 70% ( P<0.03) and 77% versus 49% ( P<0.05) at 10 years. Graft survival in Stx-HUS and dysplasia/obstructive uropathy patients was 79% versus 76% ( P=NS), but it was different from that of other diseases (79% vs. 58%, P<0.001). There was no clinical or histopathological evidence of Stx-HUS recurrence. In conclusion, in Stx-HUS patients the duration of the acute oliguric period was a good predictor for the progression to ESRD. Use of CsA and the absence of recurrence of the disease influenced the excellent prognosis in Stx-HUS patients after renal transplantation. The development of ESRD in Stx-HUS could be mediated by non-immunological factors.


Subject(s)
Hemolytic-Uremic Syndrome/surgery , Kidney Transplantation/physiology , Shiga Toxin , Adolescent , Adult , Child , Child, Preschool , Disease Progression , Female , Follow-Up Studies , Glomerulonephritis/etiology , Glomerulonephritis/pathology , Glomerulonephritis/surgery , Graft Rejection/epidemiology , Graft Survival , Humans , Kidney Failure, Chronic/etiology , Kidney Failure, Chronic/pathology , Kidney Failure, Chronic/surgery , Living Donors , Male , Recurrence , Treatment Outcome
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