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This Week in JAMA
February 11, 2004

This Week in JAMA

JAMA. 2004;291(6):663. doi:10.1001/jama.291.6.663
Patient Satisfaction With Dialysis

Patients with end-stage renal disease can be treated with either hemodialysis or peritoneal dialysis, but whether one modality offers a survival advantage over the other is unknown. If survival is relatively equivalent, patient preference can weigh more heavily in treatment choice. Rubin and colleaguesArticle assessed satisfaction with dialysis care among new dialysis patients who had undergone an average of 7 weeks' treatment. Compared with patients who received hemodialysis at the same centers, those receiving peritoneal dialysis rated their overall care as excellent and expressed more satisfaction on all 23 care-related items investigated. In an editorial, HeafArticle highlights advantages of peritoneal dialysis and offers recommendations for increasing its use.

C-Reactive Protein and Macular Degeneration

Similarities in several risk factors for both cardiovascular disease and age-related macular degeneration (AMD) have led some researchers to suggest the existence of common biological precursors, including inflammation. Elevated levels of C-reactive protein (CRP), a marker of systemic inflammation, are seen in patients with cardiovascular disease, and it has been hypothesized that similar elevations might be observed in patients with AMD. To test this hypothesis, Seddon and colleagues examined the relationship between CRP levels and AMD in a subset of participants enrolled in the Age-Related Eye Disease Study. While controlling for established risk factors for AMD, they found significantly elevated CRP levels in patients with intermediate and advanced AMD vs those in patients with no AMD, suggesting inflammation may have a role in AMD development.

Article
Iron and Diabetes Risk

Patients with hemochromatosis may develop type 2 diabetes, but whether moderate elevations in body iron are associated with diabetes risk in healthy individuals is an open question. In a nested case-control study within the Nurses' Health Study, Jiang and colleagues examined the association of baseline plasma ferritin concentration and the ratio of transferrin receptors to ferritin with development of type 2 diabetes. Controlling for body mass index, C-reactive protein level, and other risk factors for diabetes; alcohol consumption; and menopausal status, they found that women who developed diabetes in a 10-year follow-up had significantly higher baseline serum ferritin levels and a significantly lower ratio of transferrin receptors to ferritin than women who did not.

Article
Genetic Links in Colorectal Cancer

Gene mutations linked to increased cancer risk are typically identified in relatively small, homogeneous populations. When a common mutation is found in diverse populations, counseling and clinical surveillance of individuals at risk are facilitated. Lynch and colleagues determined the prevalence of a founder mutation associated with hereditary nonpolyposis colorectal cancer (HNPCC) in members of 9 presumably unrelated families in the United States. Detailed genealogic studies of the 9 families revealed that 3 of the families share common ancestry traced to a couple who migrated from Germany to Pennsylvania in the early 1700s; an additional 5 families had common time and geographic connections to the progenitor couple. The authors suggest this mutation may account for a significant number of cases of HNPCC in the white US population.

Article
Tertiary Contact Vaccinia

Recent resumption of a smallpox immunization program in the United States brought renewed concerns about inadvertent inoculation and transmission to household contacts. Garde and colleagues report the first case of inadvertent contact vaccinia transmission to a breastfeeding infant whose mother developed areolar vaccinia lesions several weeks after primary vaccination of her spouse.

Article
A Piece of My Mind

"The tears start again. How does he do this every day? How can he stand this?" From "The Chronicity of Chronic Disease."

Article
Medical News & Perspectives

New research is providing insights into how mitochondria influence brain health and disease.

Article and online video

Controversies: Organ Donation

Members of the UCLA Medical Center Ethics Committee and Renal Transplant ProgramArticle discuss a case of surrogate consent for living related organ donation prior to withdrawal of life support from a permanently comatose patient. Wendler and EmanuelArticle review ethical and practical considerations relative to surrogate consent for living organ donation in patients presumed to be near death.

CLINICIAN'S CORNER

Advances in interventions for acute myocardial infarction.

Article
Appreciation

Words of appreciation for JAMA's peer reviewers.

ArticleArticle
JAMA Patient Page

For your patients: Information about percutaneous coronary intervention.

Article
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