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Fig. 6 | BMC Cardiovascular Disorders

Fig. 6

From: Acute changes in morphology and renal vascular relaxation function after renal denervation using temperature-controlled radiofrequency catheter

Fig. 6

Microphotographs of renal arterial fiber sections (× 200). Masson staining showing collagen fibers (blue) of arterial segments (a) without RDN and (b) with RDN. Verhoeff’s Van Gieson staining showing elastic fibers (black) of (d) untreated and (e) treated arterial segments. Comparison of collagen volume fraction (c) and elastin volume fraction (F) between the two groups. Abbreviations: RDN, renal denervation

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