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1.
J Clin Med ; 11(22)2022 Nov 08.
Article in English | MEDLINE | ID: mdl-36431097

ABSTRACT

Background: Statin intolerance (SI) is often documented in patients' charts but rarely confirmed by objective methods. Objective: We aimed to identify the rate of true SI in a large population with peripheral artery disease (PAD) as well as the subsequent use of such drugs and the impact on cardiovascular outcomes. Methods: Patients with PAD and reported SI were retrospectively classified in those with "probable/possible" (pp) and "unlikely" (u) SI, after the application of the "Statin Myalgia Clinical Index Score" (SAMS-CI). Both groups were compared after 62 months (date of observation period?). Results: Among the 4,505 included patients, 139 (3%) had been reported as having SI. Of those, 33 (24%) had ppSI, and 106 (76%) had uSI. During the observation period, statin use decreased in patients with both ppSI (from 97% to 21%; p < 0.0001) and uSI (from 87% to 53%; p < 0.0001). At the end of the observation period, patients with ppSI more often received PCSK9 inhibitors (55% vs. 7%; p < 0.0001), had a stronger decrease in LDL-C from baseline to follow-up (1.82 ± 1.69 mmol/L vs. 0.85 ± 1.41 mmol/L; p < 0.01), and a lower rate of mortality (3% vs. 21%; p = 0.04) than those with uSI. Conclusions: SI is low in PAD patients (3.1%), with only one quarter fulfilling the criteria of ppSI. The overdiagnosis of SI is related to an underuse of statins and an increased mortality in a short time period.

2.
Microvasc Res ; 84(1): 24-33, 2012 Jul.
Article in English | MEDLINE | ID: mdl-22504489

ABSTRACT

This study aims to quantify by intravital microscopy and histological wound scoring the effect of radial pressure wave treatment (RPWT) on murine incisional wound healing. The dorsal skinfold chamber in mice was used for intravital microscopy, whereby an incisional wound was created within the chamber. RPWT to the wound was carried out using a ballistic pressure wave source (EMS Swiss DolorClast). Animals received a dose of 500 pulses at an energy flux rate of 0.1mJ/mm(2) and a frequency of 3Hz at day 1, 3, 5, 7, 9, and 11 post wounding. RPW treated and untreated ApoE depleted mice (ApoE(-/-)) were compared to normal healing wild type animals (WT). The microcirculation of the wound was analyzed quantitatively in vivo using epi-illumination intravital fluorescence microscopy. Tissue samples were examined ex vivo for wound scoring and immunohistochemistry. Upon RPWT total wound score in ApoE(-/-) mice was increased by 13% (not significant) on day 3, by 37% on day 7 (P<0.05), and by 39% on day 13 (P<0.05) when compared to untreated ApoE(-/-) mice. Improved wound healing was associated with an increase of functional angiogenetic density by 23% (not significant) on day 5, by 36% on day 7 (P<0.05), and by 41% on day 9 (P<0.05). Following RPWT, on day three we observed enhanced expression of capase-3 (2-fold), proliferating cell nuclear antibody (PCNA, 1,6-fold), and endothelial nitric oxide synthase (eNOS, 2.6-fold), all P<0.05. In conclusion repetitive RPWT accelerated wound healing in ApoE(-/-) mice by increasing functional neovascular density. In addition our findings strongly suggest that RPW may facilitate the linear progression of wound healing phases by fostering apoptosis.


Subject(s)
Apolipoproteins E/deficiency , Apoptosis/physiology , Neovascularization, Physiologic/physiology , Skin/pathology , Ultrasonic Therapy , Wound Healing/physiology , Animals , Endothelium, Vascular/metabolism , Male , Mice , Mice, Inbred C57BL , Mice, Knockout , Nitric Oxide Synthase Type III/metabolism , Pressure , Skin/blood supply , Skin/injuries , Stress, Mechanical
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