This group of patients with NS showed an early response to GH treatment, with an attenuation of this effect thereafter. At final height the median increment of final height was 0.61 SDS according to Tanner standards and 0.97 SDS according to Noonan standards. No serious side effects were reported.
Short stature is a very common manifestation of Noonan syndrome (NS) and is accompanied by a variable delay in bone age. Although reports of adult height in NS are uncommon, some feel growth hormone therapy will increase adult height. We report our findings in 73 adults over 21 years of age with NS. Thirty percent of this group had an adult height in the normal range between 10th percentile and 90th percentile. Over half of the females and nearly 40% of males had an adult height below the 3rd percentile. The presence or severity of heart disease was not a factor, and none of the adults with a normal height had been treated with growth hormone. Serial measurements of height for many years through childhood to adulthood were available in only a few patients, but their pattern of growth suggests catch up may occur in late adolescence. To evaluate the benefit of growth hormone therapy, long term serial height measurements over a period of years comparing treated and untreated patients are needed. It will be important to determine what role, if any, the mutated PTPN 11 gene plays in the short stature common in NS. © 2003 Wiley‐Liss, Inc.
Fungal peritonitis is a rare but serious complication in children on peritoneal dialysis (PD). In this study, risk factors were evaluated, and therapeutic measures were reviewed. A retrospective, multi-centre study was performed in 159 Dutch paediatric PD patients, between 1980 and 2005 (3,573 months). All peritonitis episodes were reviewed. Fungal peritonitis episodes were evaluated based on possible risk factors and treatment strategy. A total of 321 episodes of peritonitis occurred, with 9 cases of fungal peritonitis (2.9%). Candida peritonitis occurred most frequently (78%). Seven patients (78%) had used antibiotics in the prior month. Fungal peritonitis patients had a higher previous bacterial peritonitis rate compared to the total study population (0.13 versus 0.09 episodes/patient*month), with twice as many gram negative organisms. In all fungal peritonitis patients, the PD catheter was removed. In four patients restart on PD was possible. Fungal peritonitis is a rare complication of PD in children, but is associated with high technique failure. The most important risk factors are a high bacterial peritonitis rate, prior use of antibiotics, and previous bacterial peritonitis with gram negative organisms. The PD catheter should be removed early, but in children, peritoneal lavage with fluconazole before removal may be useful to prevent technique failure.
Of all patients with Noonan syndrome, 50-90%
SummaryBackground and objectives Acute renal failure can be treated with different dialysis modalities, depending on patient characteristics and hospital resources. Peritoneal dialysis (PD) can be first choice in situations like hypotension, disturbed coagulation, or difficult venous access. The main disadvantage of PD is the relatively limited efficacy. The aim of this study was to investigate whether continuous flow peritoneal dialysis (CFPD) is a more effective treatment than conventional PD in acute renal failure.Design, setting, participants, & measurements A pilot study was performed at The Red Cross University Hospital in Cape Town in six patients. Patients were treated with both CFPD and conventional PD for 8 to 16 hours. CFPD was performed with two bedside-placed catheters. After initial filling, dialysate flow rate (100 ml/1.73 m 2 per minute) was maintained with an adapted continuous venovenous hemofiltration machine. Ultrafiltration flow rate was set at 2.5 ml/1.73 m 2 per minute. Results ConclusionsIn this first report of CFPD in six pediatric patients with acute renal failure, CFPD was on average three to five times more effective for urea and creatinine clearance and ultrafiltration than conventional PD, without any complications observed. CFPD has the ability to improve therapy for acute renal failure .
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