Objective: To assess the normal sonographic values of renal length and cortical thickness in healthy adults and establish reference ranges in our population for comparison when examining renal disease. Subjects and Methods: Sonographic assessment of renal length and cortical thickness were performed from January 2006 to December 2011 in 252 healthy individuals who were self-referred to the El-Reshaid Renal Clinic in Kuwait. They were screened for the absence of renal abnormalities. Weight and height were measured, and body mass index (BMI) and body surface area calculated. Patients were divided into 5 age groups: 18-30, 31-40, 41-50, 51-60 and 61 -80 years, in order to generate reference graphs for renal length and cortical thickness. Results: The mean renal lengths for the right and left kidney were 10.68 ± 1.4 and 10.71 ± 1.0 cm, respectively (p = 0.56) without a significant change with age. The minimum cortical thickness was 0.6 cm. The renal length correlated with the weight of the patients (p < 0.01) and their BMI (p < 0.01) but not with their height. There was no difference in renal size or cortical thickness in patients older than 60 years despite an age-related decline in the glomerular filtration rate (p < 0.001). Conclusions: Renal length and cortical thickness did not vary significantly with age. Renal length correlated well with weight and BMI but not with height. Hence, establishing normal ranges of renal parameters is essential for comparison in situations where possible renal disease is being investigated.
These findings emphasize the limited role of clinical assessment in establishing a definite diagnosis of renal vasculitis and put in question its value in retrospective analysis of causes of ESRD in different populations.
We report our experience of renal disease associated with bodybuilders who had been on high-protein diet, anabolic androgenic steroids (AASs), and growth hormone (GH) for years. A total of 22 adult males who volunteered information about use of high protein diet and AAS or GH were seen over a six-year period with renal disease. Kidney biopsy revealed focal segmental glomerulosclerosis (FSGS) in eight, nephroangiosclerosis in four, chronic interstitial nephritis in three, acute interstitial nephritis in two, nephrocalcinosis with chronic interstitial nephritis in two, and single patients with membranous glomerulopathy, crescentic glomerulopathy, and sclerosing glomerulonephritis. Patients with FSGS had a longer duration of exposure, late presentation, and worse prognosis. Those with interstitial disease had shorter exposure time and earlier presentation and had improved or stabilized after discontinuation of their practice. There is a need for health education for athletes and bodybuilders to inform them about the risks of renal disease involved with the use of high-protein diet, AAS, and GH.
Peritonitis is a common complication in patients undergoing continuous ambulatory peritoneal dialysis (CAPD) and automated peritoneal dialysis (APD). In this retrospective study, peritonitis rates and patient survival of 180 patients on CAPD and 128 patients on APD were compared in the period from January 2005 to December 2014 at Al-Nafisi Center in Kuwait. All patients had prophylactic topical mupirocin at catheter exit site. Patients on CAPD had twin bag system with Y transfer set. The peritonitis rates were 1 in 29 months in CAPD and 1 in 38 months in APD (p < 0.05). Percentage of peritonitis free patients over 10-year period in CAPD and APD were 49 and 60%, respectively (p < 0.05). Time to develop peritonitis was 10.25 ± 3.1 months in CAPD compared to 16.1 ± 4 months in APD (p < 0.001). Relapse and recurrence rates were similar in both groups. Median patient survival in CAPD and APD groups with peritonitis was 13.1 ± 1 and 14 ± 1.4 months respectively (p = 0.3) whereas in peritonitis free patients it was 15 ± 1.4 months in CAPD and 23 ± 3.1 months in APD (p = 0.025). APD had lower incidence rate of peritonitis than CAPD. Patient survival was better in APD than CAPD in peritonitis free patients but was similar in patients who had peritonitis.
Our study represents the first clinical trial with prospective and adequate follow-up of combination therapy of immunosuppressive agents in INS. This method is effective and safe for treatment of patients who are refractory to the conventional single-agent therapy.
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