• Yoshitaka Furuto, Mariko Kawamura, Akio Namikawa, Hiroko Takahashi, and Yuko Shibuya.
• Department of Hypertension and Nephrology, NTT Medical Centre Tokyo, Shinagawa-ku, Tokyo, Japan.
• J Res Med Sci. 2020 Jan 1; 25: 22.

AbstractThe number of people with chronic kidney disease (CKD) has increased and so has their demand for travel. However, the health risk posed by travel in these patients is unclear. Few reports document the travel risk in CKD and dialysis patients. The aim of this study is to summarize the existing evidence of the influence of travel on risks in CKD patients. We aim to describe the association between the impact of travel risks and patients with CKD. A detailed review of recent literature was performed by reviewing PubMed, Google Scholar, and Ichushi Web from the Japan Medical Abstracts Society. Screened involved the following keywords: "traveler's thrombosis," "venous thromboembolism," "deep vein thrombosis," "altitude sickness," "traveler's diarrhea," "jet lag syndrome," "melatonin," with "chronic kidney disease" only, or/and "dialysis." We present a narrative review summary of the literature from these screenings. The increased prevalence of thrombosis among travelers with CKD is related to a decrease in the estimated glomerular filtration rate and an increase in urine protein levels. CKD patients who remain at high altitudes are at an increased risk for progression of CKD, altitude sickness, and pulmonary edema. Traveler's diarrhea can become increasingly serious in patients with CKD because of decreased immunity. Microbial substitution colitis is also common in CKD patients. Moreover, time differences and disturbances in the circadian rhythm increase cardiovascular disease events for CKD patients. The existing literature shows that travel-related conditions pose an increased risk for patients with CKD.Copyright: © 2020 Journal of Research in Medical Sciences.

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