Female with Fabry Disease Unknowingly Donates Affected Kidney to Sister: A Call for Pre-transplant Genetic Testing.

Fabry disease, an X-linked lysosomal storage disorder, is caused by the deficiency of the alpha-galactosidase A enzyme and the progressive accumulation of globotriaosylceramide in vascular endothelial cells. The multi-systemic manifestations of Fabry disease include cardiac, gastrointestinal, renal, and neuropathic complications. Renal dysfunction and ultimately end-stage renal disease occurs in classically affected males and in about 10-15% of female heterozygotes from classically affected families as a result of progressive glycosphingolipid accumulation. We report a case in which a female with a de novo GLA mutation donated a kidney to her sister prior to the diagnosis of symptomatic Fabry disease. The transplant recipient has progressed to graft failure and has been relisted for transplant. This case report demonstrates the need to screen potential kidney transplant donors and recipients for Fabry disease.

Desensitization of an adult patient with Pompe disease and a history of anaphylaxis to alglucosidase alfa.

We report on the successful desensitization of an adult female with Pompe disease who had previously experienced anaphylaxis to intravenous alglucosidase alfa therapy. The starting alglucosidase alfa dose for desensitization was 10mg/kg with gradual dose escalation and desensitization via serial dilution was completed over five infusions. This methodology serves as a means to desensitize patients with prior anaphylactic response to alglucosidase alfa so that enzyme replacement therapy can be utilized.

An unusual presentation of Ehlers-Danlos syndrome vascular type with deep vein thrombosis: a case for multidisciplinary management.

Ehlers-Danlos syndrome (EDS) vascular type typically presents with significant vascular complications such as rupture of blood vessels, gravid uterus, or intestinal perforation. We report on a 24-year-old female that presents with deep vein thrombosis found to be due to compression by a large posterior tibial artery pseudoaneurysm which ultimately leads to the patient's diagnosis. This case highlights the need for a multidisciplinary approach involving vascular surgery, internal medicine, genetics, and other health care providers for patients with vascular type EDS.

Modified lipoproteins as contrast agents for imaging of atherosclerosis.

The ability to detect and characterize atherosclerosis with targeted contrast agents may enable initiation of therapy for atherosclerotic lesions prior to becoming symptomatic. Since lipoproteins such as high-density lipoprotein (HDL) and low-density lipoprotein (LDL) play a critical role in the regulation of plaque biology through the transport of lipids into and out of atherosclerotic lesions, modifying HDL and LDL with radioisotopes for nuclear imaging, chelates for magnetic resonance imaging (MRI) or other possible contrast agents for computed tomography imaging techniques may aid in the detection and characterization of atherosclerosis. This review focuses on the literature employing lipoproteins as contrast agents for imaging atherosclerosis and the feasibility of this approach.

Uncertainty and perceived personal control among parents of children with rare chromosome conditions: the role of genetic counseling.

Little is known about the impact of genetic counseling on parental uncertainty or perceived control regarding the prognosis of a child with a chromosomal disorder. By exploring the parents' concerns and needs surrounding the child's diagnosis, a genetic provider can help to facilitate effective coping. This study tested the association of measures of parental uncertainty and perceived control with the perceived helpfulness of the genetic counselor. A survey was distributed to 875 members of the Chromosome Deletion Outreach (CDO) support group. We hypothesized that parents' perceptions about the helpfulness of the genetic counselor would modify the relationship between perceived uncertainty, perceived control, and coping. Among the 363 respondents, there was a significant negative correlation of the perceived helpfulness of seeing a genetic counselor with the levels of uncertainty (rs = -0.20, P-value < 0.001). Lower perceived helpfulness of the genetic counselor, along with less perceived personal control, less benefit of a diagnosis, and lower parental age were significant predictors of the highest perceptions of uncertainty. The Transactional Model of Stress and Coping was used as a framework for interpreting the relationships between parental uncertainty, perceived control, and outcome variables. There was a significant positive correlation between parents' perceived personal control and their reports of helpfulness of the genetic counselor (rs = 0.20, P-value <0.0006). Genetic counseling can be enhanced for parents faced with rare disorders by using interventions focused on reducing feelings of uncertainty and enhancing feelings of control.