Association between sleep disordered breathing and aggressiveness markers of malignant cutaneous melanoma.

Abstract

Some recent studies have shown an association between sleep disordered breathing (SDB) and cancer mortality and incidence but no study has focused on a specific type of cancer. The objective of this study was to analyse the relationship between the severity of SDB and factors related to cutaneous malignant melanoma (CMM) aggressiveness. We performed a multicentre observational study in 82 consecutive patients diagnosed with CMM. 56 patients in whom melanoma measurements were available were finally included in the study. Melanoma measurements of aggressiveness included: tumour mitotic rate, Breslow index, presence of ulceration, stage of disease and growth rate of melanoma. A sleep study was performed in all the included patients. Multivariate analyses were used to examine the independent relationship between SDB severity (apnoea-hypopnea index (AHI) and nocturnal oxygen desaturation indexes (ODI3% and ODI4%)) and measures of CMM aggressiveness. 60.7% of patients had SDB (AHI ≥ 5) and 14.3% severe obstructive sleep apnoea (AHI ≥ 30). In fully adjusted multivariate analyses, AHI (OR 1.08, 95% CI 1.02-1.14), ODI3% (OR 1.08, 95% CI 1.02-1.11) and ODI4% (OR 1.1, 95% CI 1.02-1.2) were independently associated with an increased melanoma growth rate. Furthermore, AHI, ODI4% and ODI3% were significantly correlated with other aggressiveness factors of CMM, such as Breslow index, presence of ulceration and mitotic index. SDB severity markers are associated with some aggressiveness markers of CMM.

DOI: 10.1183/09031936.00115413

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@article{MartnezGarca2014AssociationBS, title={Association between sleep disordered breathing and aggressiveness markers of malignant cutaneous melanoma.}, author={Miguel-{\'A}ngel Mart{\'i}nez-Garc{\'i}a and Antonio Martorell-Calatayud and Eduardo Nagore and Irene Lozano Valero and Mar{\'i}a Jos{\'e} Selma and Eusebi Chiner and Pedro Landete and Josep-Maria Montserrat and Cristina Carrera and Amalia P{\'e}rez-Gil and Francisco Campos-Rodriguez and Ramon Farr{\'e}}, journal={The European respiratory journal}, year={2014}, volume={43 6}, pages={1661-8} }