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Biomedical subjects

D Divakar

Publications and source records attributed to D Divakar.

10 recordsLinked to original sources
PubMed1994

Cutaneous manifestations of renal transplantation in a New Zealand population.

AIM: To document the skin manifestations of renal transplant recipients. METHODS: The findings in 52 patients (27 males; mean age 43.5 yr; range 22-74 yr; SD 12.0) with a stable renal transplant for a mean of 115.6 mth (range 3-258; SD 70.6). Thirty seven patients were on prednisone and azathioprine and 18 on prednisone, azathioprine and cyclosporin. RESULTS: Including prior observations, 48 cutaneous malignancies were identified in nine patients, with the ratio of squamous cell to basal cell carcinoma being 1.2:1. No metastases were detected. Actinic keratoses were present in 20 patients and tended to be multiple and present on sun exposed skin. A wide range of nonneoplastic lesions was documented, including warts in 75%. Human papillomavirus was isolated from 43% of warts. CONCLUSIONS: Renal transplant recipients require regular skin examination. Patients with high recreational or work related sun exposure prior to, or after transplantation, and those who have had a previous skin malignancy, should be identified as high risk patients for skin cancer and have regular dermatological follow up.

Adult↗
PubMed1992

Effect of diet on posttransplant hyperlipidaemia.

Twenty-five patients with a renal transplant for 15 months to 19.4 years, hyperlipidaemia and stable graft function underwent three months of dietary management. Plasma lipid and apolipoprotein concentrations and lipoprotein electrophoresis were measured after a 12 hour fast at enrollment and after three months of diet. The aims of diet were to reduce energy intake in the overweight, restrict fat to 25-30% of total intake, reduce saturated fat content to less than 10% of total energy and cholesterol to less than 300 mg/d. After three months of diet there was a significant fall in mean cholesterol/HDL cholesterol risk ratio and a rise in mean HDL cholesterol concentration. Six patients reverted to a normal lipoprotein electrophoretic pattern with a significant reduction in mean total cholesterol, LDL cholesterol, cholesterol/HDL cholesterol ratio, apoprotein B and apoB/apo A-1 ratio. Most of the other patients who made dietary modifications showed some improvement in their lipid parameters. Dietary modification should be the initial approach to the management of posttransplant hyperlipidaemia.

Adult↗
PubMed1991

Long term complications following renal transplantation.

The long term complications of renal transplantation were assessed in 36 patients who had lived for 10 or more years with a functioning renal transplant. Thirty-three patients were alive with a mean plasma creatinine of 0.13 mmol/L (SD 0.07). A 62 year old women died from a myocardial infarction 11 years after transplantation and two women developed chronic rejection and returned to dialysis after 17 years. Nineteen patients have required antihypertensive therapy, five have suffered ischaemic heart disease and two a cerebrovascular event. Malignancy has developed in 13 patients, with four having two or more organs involved. Skin cancers (9 squamous cell, 4 basal cell) were present in all 13 patients and recurred in six. The other malignancies included carcinoma of cervix (2), cervix and bladder (1) and thyroid (1). Three patients have required parathyroidectomy for autonomous hyperparathyroidism, two splenectomy for hypersplenism, and one bilateral hip replacement for avascular necrosis of the femoral heads. The development of hypertension, vascular disease and malignancy are the most important long term complications after renal transplantation. Strategies must be formulated to reduce the morbidity and mortality from these causes.

Adult↗
PubMed1991

Hyperlipidemia in stable renal transplant recipients.

Hyperlipidemia is a major risk factor for atherosclerosis and probably contributes to the increased cardiovascular mortality following renal transplantation. We studied the lipid profiles of 62 adults (29 males) with stable renal function (mean plasma creatinine 0.14 mmol/l, SD 0.07), 7 months to 21 years after renal transplantation. Fifteen patients (24%) were above the age- and sex-adjusted 95th percentile for total triglyceride and 10 (16%) for total cholesterol concentrations when compared with a local reference population. The most common lipoprotein abnormalities were type IIa (19%) and type IIb (13%). Multiple regression analysis demonstrated that the use of diuretics and angiotensin-converting enzyme inhibitors were significant factors determining plasma triglyceride concentrations. There were significant bivariate associations between plasma triglyceride concentration and duration since transplantation, plasma creatinine concentration and the use of ciclosporin and diuretics. Duration since transplantation and ciclosporin use were significant factors determining lower plasma cholesterol concentrations. The use of ciclosporin and diuretics was associated with a significantly higher apolipoprotein (apo) B concentration. The cholesterol/HDL cholesterol risk ratio correlated poorly with the apo B/apo A-1 ratio. The value of these ratios as predictors of coronary artery disease need to be established in renal transplant recipients.

Adult↗
PubMed1989

Meckel's diverticulum in adults.

This is a study of Meckel's diverticulum in adults who had undergone surgery in the hospital. The complications of Meckel's diverticulum are compared with that of the ones mentioned in the literature. A comparative study of the clinical features and the operative findings in case of Meckel's diverticulum with ectopic tissue is also discussed. The controversy of Meckel's diverticulectomy has also been dealt with at large.

Adolescent↗